forked from Minki/linux
Merge master.kernel.org:/home/rmk/linux-2.6-arm
* master.kernel.org:/home/rmk/linux-2.6-arm: [ARM] 3388/1: ixp23xx: add core ixp23xx support [ARM] 3417/1: add support for logicpd pxa270 card engine [ARM] 3387/1: ixp23xx: add defconfig [ARM] 3377/2: add support for intel xsc3 core [ARM] Move ice-dcc code into misc.c [ARM] Fix decompressor serial IO to give CRLF not LFCR [ARM] proc-v6: mark page table walks outer-cacheable, shared. Enable NX. [ARM] nommu: trivial patch for arch/arm/lib/Makefile [ARM] 3416/1: Update LART site URL [ARM] 3415/1: Akita: Add missing EXPORT_SYMBOL [ARM] 3414/1: ep93xx: reset ethernet controller before uncompressing
This commit is contained in:
commit
ca9ba4471c
@ -26,7 +26,7 @@ Installing a bootloader
|
||||
|
||||
A couple of bootloaders able to boot Linux on Assabet are available:
|
||||
|
||||
BLOB (http://www.lart.tudelft.nl/lartware/blob/)
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||||
BLOB (http://www.lartmaker.nl/lartware/blob/)
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||||
|
||||
BLOB is a bootloader used within the LART project. Some contributed
|
||||
patches were merged into BLOB to add support for Assabet.
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||||
|
@ -11,4 +11,4 @@ is under development, with plenty of others in different stages of
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planning.
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The hardware designs for this board have been released under an open license;
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see the LART page at http://www.lart.tudelft.nl/ for more information.
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see the LART page at http://www.lartmaker.nl/ for more information.
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|
@ -153,6 +153,12 @@ config ARCH_IXP2000
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help
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Support for Intel's IXP2400/2800 (XScale) family of processors.
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config ARCH_IXP23XX
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bool "IXP23XX-based"
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select PCI
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help
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Support for Intel's IXP23xx (XScale) family of processors.
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config ARCH_L7200
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bool "LinkUp-L7200"
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select FIQ
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@ -274,6 +280,8 @@ source "arch/arm/mach-ixp4xx/Kconfig"
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source "arch/arm/mach-ixp2000/Kconfig"
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source "arch/arm/mach-ixp23xx/Kconfig"
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source "arch/arm/mach-pxa/Kconfig"
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source "arch/arm/mach-sa1100/Kconfig"
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@ -792,7 +800,8 @@ source "drivers/acorn/block/Kconfig"
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if PCMCIA || ARCH_CLPS7500 || ARCH_IOP3XX || ARCH_IXP4XX \
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|| ARCH_L7200 || ARCH_LH7A40X || ARCH_PXA || ARCH_RPC \
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|| ARCH_S3C2410 || ARCH_SA1100 || ARCH_SHARK || FOOTBRIDGE
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|| ARCH_S3C2410 || ARCH_SA1100 || ARCH_SHARK || FOOTBRIDGE \
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|| ARCH_IXP23XX
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source "drivers/ide/Kconfig"
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endif
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|
@ -57,6 +57,7 @@ tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9tdmi
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tune-$(CONFIG_CPU_SA110) :=-mtune=strongarm110
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tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100
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tune-$(CONFIG_CPU_XSCALE) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
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tune-$(CONFIG_CPU_XSC3) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
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tune-$(CONFIG_CPU_V6) :=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm)
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ifeq ($(CONFIG_AEABI),y)
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@ -97,6 +98,7 @@ endif
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machine-$(CONFIG_ARCH_IOP3XX) := iop3xx
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machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx
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machine-$(CONFIG_ARCH_IXP2000) := ixp2000
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machine-$(CONFIG_ARCH_IXP23XX) := ixp23xx
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machine-$(CONFIG_ARCH_OMAP1) := omap1
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machine-$(CONFIG_ARCH_OMAP2) := omap2
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incdir-$(CONFIG_ARCH_OMAP) := omap
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|
@ -50,10 +50,6 @@ ifeq ($(CONFIG_ARCH_AT91RM9200),y)
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OBJS += head-at91rm9200.o
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endif
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ifeq ($(CONFIG_DEBUG_ICEDCC),y)
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OBJS += ice-dcc.o
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endif
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ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
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OBJS += big-endian.o
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endif
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|
@ -1,17 +0,0 @@
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.text
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.global icedcc_putc
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icedcc_putc:
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mov r2, #0x4000000
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1:
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subs r2, r2, #1
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movlt pc, r14
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mrc p14, 0, r1, c0, c0, 0
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tst r1, #2
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bne 1b
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mcr p14, 0, r0, c1, c0, 0
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mov pc, r14
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@ -20,24 +20,45 @@ unsigned int __machine_arch_type;
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#include <linux/string.h>
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#include <asm/arch/uncompress.h>
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#ifdef STANDALONE_DEBUG
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#define putstr printf
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#endif
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#else
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static void putstr(const char *ptr);
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#include <linux/compiler.h>
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#include <asm/arch/uncompress.h>
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#ifdef CONFIG_DEBUG_ICEDCC
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#define putstr icedcc_putstr
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#define putc icedcc_putc
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extern void icedcc_putc(int ch);
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static void
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icedcc_putstr(const char *ptr)
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static void icedcc_putc(int ch)
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{
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for (; *ptr != '\0'; ptr++) {
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icedcc_putc(*ptr);
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int status, i = 0x4000000;
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do {
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if (--i < 0)
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return;
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asm("mrc p14, 0, %0, c0, c0, 0" : "=r" (status));
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} while (status & 2);
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asm("mcr p15, 0, %0, c1, c0, 0" : : "r" (ch));
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}
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#define putc(ch) icedcc_putc(ch)
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#define flush() do { } while (0)
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#endif
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static void putstr(const char *ptr)
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{
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char c;
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while ((c = *ptr++) != '\0') {
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if (c == '\n')
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putc('\r');
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putc(c);
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}
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flush();
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}
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#endif
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|
1302
arch/arm/configs/ixp23xx_defconfig
Normal file
1302
arch/arm/configs/ixp23xx_defconfig
Normal file
File diff suppressed because it is too large
Load Diff
@ -18,7 +18,7 @@ lib-y := backtrace.o changebit.o csumipv6.o csumpartial.o \
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# the code in uaccess.S is not preemption safe and
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# probably faster on ARMv3 only
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ifeq ($CONFIG_PREEMPT,y)
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ifeq ($(CONFIG_PREEMPT),y)
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lib-y += copy_from_user.o copy_to_user.o
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else
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ifneq ($(CONFIG_CPU_32v3),y)
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|
25
arch/arm/mach-ixp23xx/Kconfig
Normal file
25
arch/arm/mach-ixp23xx/Kconfig
Normal file
@ -0,0 +1,25 @@
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if ARCH_IXP23XX
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config ARCH_SUPPORTS_BIG_ENDIAN
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bool
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default y
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menu "Intel IXP23xx Implementation Options"
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comment "IXP23xx Platforms"
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config MACH_ESPRESSO
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bool "Support IP Fabrics Double Espresso platform"
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help
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config MACH_IXDP2351
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bool "Support Intel IXDP2351 platform"
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help
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config MACH_ROADRUNNER
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bool "Support ADI RoadRunner platform"
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help
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||||
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endmenu
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||||
endif
|
11
arch/arm/mach-ixp23xx/Makefile
Normal file
11
arch/arm/mach-ixp23xx/Makefile
Normal file
@ -0,0 +1,11 @@
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#
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# Makefile for the linux kernel.
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#
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obj-y := core.o pci.o
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obj-m :=
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obj-n :=
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obj- :=
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obj-$(CONFIG_MACH_ESPRESSO) += espresso.o
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obj-$(CONFIG_MACH_IXDP2351) += ixdp2351.o
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obj-$(CONFIG_MACH_ROADRUNNER) += roadrunner.o
|
2
arch/arm/mach-ixp23xx/Makefile.boot
Normal file
2
arch/arm/mach-ixp23xx/Makefile.boot
Normal file
@ -0,0 +1,2 @@
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||||
zreladdr-y := 0x00008000
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params_phys-y := 0x00000100
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431
arch/arm/mach-ixp23xx/core.c
Normal file
431
arch/arm/mach-ixp23xx/core.c
Normal file
@ -0,0 +1,431 @@
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/*
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* arch/arm/mach-ixp23xx/core.c
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*
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* Core routines for IXP23xx chips
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*
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||||
* Author: Deepak Saxena <dsaxena@plexity.net>
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*
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* Copyright 2005 (c) MontaVista Software, Inc.
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*
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||||
* Based on 2.4 code Copyright 2004 (c) Intel Corporation
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*
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||||
* This file is licensed under the terms of the GNU General Public
|
||||
* License version 2. This program is licensed "as is" without any
|
||||
* warranty of any kind, whether express or implied.
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||||
*/
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#include <linux/config.h>
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/spinlock.h>
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#include <linux/sched.h>
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#include <linux/interrupt.h>
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#include <linux/serial.h>
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#include <linux/tty.h>
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#include <linux/bitops.h>
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#include <linux/serial.h>
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#include <linux/serial_8250.h>
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#include <linux/serial_core.h>
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#include <linux/device.h>
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#include <linux/mm.h>
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#include <linux/time.h>
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#include <linux/timex.h>
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#include <asm/types.h>
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#include <asm/setup.h>
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#include <asm/memory.h>
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#include <asm/hardware.h>
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#include <asm/mach-types.h>
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#include <asm/irq.h>
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#include <asm/system.h>
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#include <asm/tlbflush.h>
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#include <asm/pgtable.h>
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#include <asm/mach/map.h>
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#include <asm/mach/time.h>
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#include <asm/mach/irq.h>
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#include <asm/mach/arch.h>
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||||
/*************************************************************************
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* Chip specific mappings shared by all IXP23xx systems
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*************************************************************************/
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static struct map_desc ixp23xx_io_desc[] __initdata = {
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{ /* XSI-CPP CSRs */
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.virtual = IXP23XX_XSI2CPP_CSR_VIRT,
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.pfn = __phys_to_pfn(IXP23XX_XSI2CPP_CSR_PHYS),
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.length = IXP23XX_XSI2CPP_CSR_SIZE,
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.type = MT_DEVICE,
|
||||
}, { /* Expansion Bus Config */
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||||
.virtual = IXP23XX_EXP_CFG_VIRT,
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||||
.pfn = __phys_to_pfn(IXP23XX_EXP_CFG_PHYS),
|
||||
.length = IXP23XX_EXP_CFG_SIZE,
|
||||
.type = MT_DEVICE,
|
||||
}, { /* UART, Interrupt ctrl, GPIO, timers, NPEs, MACS,.... */
|
||||
.virtual = IXP23XX_PERIPHERAL_VIRT,
|
||||
.pfn = __phys_to_pfn(IXP23XX_PERIPHERAL_PHYS),
|
||||
.length = IXP23XX_PERIPHERAL_SIZE,
|
||||
.type = MT_DEVICE,
|
||||
}, { /* CAP CSRs */
|
||||
.virtual = IXP23XX_CAP_CSR_VIRT,
|
||||
.pfn = __phys_to_pfn(IXP23XX_CAP_CSR_PHYS),
|
||||
.length = IXP23XX_CAP_CSR_SIZE,
|
||||
.type = MT_DEVICE,
|
||||
}, { /* MSF CSRs */
|
||||
.virtual = IXP23XX_MSF_CSR_VIRT,
|
||||
.pfn = __phys_to_pfn(IXP23XX_MSF_CSR_PHYS),
|
||||
.length = IXP23XX_MSF_CSR_SIZE,
|
||||
.type = MT_DEVICE,
|
||||
}, { /* PCI I/O Space */
|
||||
.virtual = IXP23XX_PCI_IO_VIRT,
|
||||
.pfn = __phys_to_pfn(IXP23XX_PCI_IO_PHYS),
|
||||
.length = IXP23XX_PCI_IO_SIZE,
|
||||
.type = MT_DEVICE,
|
||||
}, { /* PCI Config Space */
|
||||
.virtual = IXP23XX_PCI_CFG_VIRT,
|
||||
.pfn = __phys_to_pfn(IXP23XX_PCI_CFG_PHYS),
|
||||
.length = IXP23XX_PCI_CFG_SIZE,
|
||||
.type = MT_DEVICE,
|
||||
}, { /* PCI local CFG CSRs */
|
||||
.virtual = IXP23XX_PCI_CREG_VIRT,
|
||||
.pfn = __phys_to_pfn(IXP23XX_PCI_CREG_PHYS),
|
||||
.length = IXP23XX_PCI_CREG_SIZE,
|
||||
.type = MT_DEVICE,
|
||||
}, { /* PCI MEM Space */
|
||||
.virtual = IXP23XX_PCI_MEM_VIRT,
|
||||
.pfn = __phys_to_pfn(IXP23XX_PCI_MEM_PHYS),
|
||||
.length = IXP23XX_PCI_MEM_SIZE,
|
||||
.type = MT_DEVICE,
|
||||
}
|
||||
};
|
||||
|
||||
void __init ixp23xx_map_io(void)
|
||||
{
|
||||
iotable_init(ixp23xx_io_desc, ARRAY_SIZE(ixp23xx_io_desc));
|
||||
}
|
||||
|
||||
|
||||
/***************************************************************************
|
||||
* IXP23xx Interrupt Handling
|
||||
***************************************************************************/
|
||||
enum ixp23xx_irq_type {
|
||||
IXP23XX_IRQ_LEVEL, IXP23XX_IRQ_EDGE
|
||||
};
|
||||
|
||||
static void ixp23xx_config_irq(unsigned int, enum ixp23xx_irq_type);
|
||||
|
||||
static int ixp23xx_irq_set_type(unsigned int irq, unsigned int type)
|
||||
{
|
||||
int line = irq - IRQ_IXP23XX_GPIO6 + 6;
|
||||
u32 int_style;
|
||||
enum ixp23xx_irq_type irq_type;
|
||||
volatile u32 *int_reg;
|
||||
|
||||
/*
|
||||
* Only GPIOs 6-15 are wired to interrupts on IXP23xx
|
||||
*/
|
||||
if (line < 6 || line > 15)
|
||||
return -EINVAL;
|
||||
|
||||
switch (type) {
|
||||
case IRQT_BOTHEDGE:
|
||||
int_style = IXP23XX_GPIO_STYLE_TRANSITIONAL;
|
||||
irq_type = IXP23XX_IRQ_EDGE;
|
||||
break;
|
||||
case IRQT_RISING:
|
||||
int_style = IXP23XX_GPIO_STYLE_RISING_EDGE;
|
||||
irq_type = IXP23XX_IRQ_EDGE;
|
||||
break;
|
||||
case IRQT_FALLING:
|
||||
int_style = IXP23XX_GPIO_STYLE_FALLING_EDGE;
|
||||
irq_type = IXP23XX_IRQ_EDGE;
|
||||
break;
|
||||
case IRQT_HIGH:
|
||||
int_style = IXP23XX_GPIO_STYLE_ACTIVE_HIGH;
|
||||
irq_type = IXP23XX_IRQ_LEVEL;
|
||||
break;
|
||||
case IRQT_LOW:
|
||||
int_style = IXP23XX_GPIO_STYLE_ACTIVE_LOW;
|
||||
irq_type = IXP23XX_IRQ_LEVEL;
|
||||
break;
|
||||
default:
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
ixp23xx_config_irq(irq, irq_type);
|
||||
|
||||
if (line >= 8) { /* pins 8-15 */
|
||||
line -= 8;
|
||||
int_reg = (volatile u32 *)IXP23XX_GPIO_GPIT2R;
|
||||
} else { /* pins 0-7 */
|
||||
int_reg = (volatile u32 *)IXP23XX_GPIO_GPIT1R;
|
||||
}
|
||||
|
||||
/*
|
||||
* Clear pending interrupts
|
||||
*/
|
||||
*IXP23XX_GPIO_GPISR = (1 << line);
|
||||
|
||||
/* Clear the style for the appropriate pin */
|
||||
*int_reg &= ~(IXP23XX_GPIO_STYLE_MASK <<
|
||||
(line * IXP23XX_GPIO_STYLE_SIZE));
|
||||
|
||||
/* Set the new style */
|
||||
*int_reg |= (int_style << (line * IXP23XX_GPIO_STYLE_SIZE));
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void ixp23xx_irq_mask(unsigned int irq)
|
||||
{
|
||||
volatile unsigned long *intr_reg = IXP23XX_INTR_EN1 + (irq / 32);
|
||||
|
||||
*intr_reg &= ~(1 << (irq % 32));
|
||||
}
|
||||
|
||||
static void ixp23xx_irq_ack(unsigned int irq)
|
||||
{
|
||||
int line = irq - IRQ_IXP23XX_GPIO6 + 6;
|
||||
|
||||
if ((line < 6) || (line > 15))
|
||||
return;
|
||||
|
||||
*IXP23XX_GPIO_GPISR = (1 << line);
|
||||
}
|
||||
|
||||
/*
|
||||
* Level triggered interrupts on GPIO lines can only be cleared when the
|
||||
* interrupt condition disappears.
|
||||
*/
|
||||
static void ixp23xx_irq_level_unmask(unsigned int irq)
|
||||
{
|
||||
volatile unsigned long *intr_reg = IXP23XX_INTR_EN1 + (irq / 32);
|
||||
|
||||
ixp23xx_irq_ack(irq);
|
||||
|
||||
*intr_reg |= (1 << (irq % 32));
|
||||
}
|
||||
|
||||
static void ixp23xx_irq_edge_unmask(unsigned int irq)
|
||||
{
|
||||
volatile unsigned long *intr_reg = IXP23XX_INTR_EN1 + (irq / 32);
|
||||
|
||||
*intr_reg |= (1 << (irq % 32));
|
||||
}
|
||||
|
||||
static struct irqchip ixp23xx_irq_level_chip = {
|
||||
.ack = ixp23xx_irq_mask,
|
||||
.mask = ixp23xx_irq_mask,
|
||||
.unmask = ixp23xx_irq_level_unmask,
|
||||
.set_type = ixp23xx_irq_set_type
|
||||
};
|
||||
|
||||
static struct irqchip ixp23xx_irq_edge_chip = {
|
||||
.ack = ixp23xx_irq_ack,
|
||||
.mask = ixp23xx_irq_mask,
|
||||
.unmask = ixp23xx_irq_edge_unmask,
|
||||
.set_type = ixp23xx_irq_set_type
|
||||
};
|
||||
|
||||
static void ixp23xx_pci_irq_mask(unsigned int irq)
|
||||
{
|
||||
*IXP23XX_PCI_XSCALE_INT_ENABLE &= ~(1 << (IRQ_IXP23XX_INTA + 27 - irq));
|
||||
}
|
||||
|
||||
static void ixp23xx_pci_irq_unmask(unsigned int irq)
|
||||
{
|
||||
*IXP23XX_PCI_XSCALE_INT_ENABLE |= (1 << (IRQ_IXP23XX_INTA + 27 - irq));
|
||||
}
|
||||
|
||||
/*
|
||||
* TODO: Should this just be done at ASM level?
|
||||
*/
|
||||
static void pci_handler(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs)
|
||||
{
|
||||
u32 pci_interrupt;
|
||||
unsigned int irqno;
|
||||
struct irqdesc *int_desc;
|
||||
|
||||
pci_interrupt = *IXP23XX_PCI_XSCALE_INT_STATUS;
|
||||
|
||||
desc->chip->ack(irq);
|
||||
|
||||
/* See which PCI_INTA, or PCI_INTB interrupted */
|
||||
if (pci_interrupt & (1 << 26)) {
|
||||
irqno = IRQ_IXP23XX_INTB;
|
||||
} else if (pci_interrupt & (1 << 27)) {
|
||||
irqno = IRQ_IXP23XX_INTA;
|
||||
} else {
|
||||
BUG();
|
||||
}
|
||||
|
||||
int_desc = irq_desc + irqno;
|
||||
int_desc->handle(irqno, int_desc, regs);
|
||||
|
||||
desc->chip->unmask(irq);
|
||||
}
|
||||
|
||||
static struct irqchip ixp23xx_pci_irq_chip = {
|
||||
.ack = ixp23xx_pci_irq_mask,
|
||||
.mask = ixp23xx_pci_irq_mask,
|
||||
.unmask = ixp23xx_pci_irq_unmask
|
||||
};
|
||||
|
||||
static void ixp23xx_config_irq(unsigned int irq, enum ixp23xx_irq_type type)
|
||||
{
|
||||
switch (type) {
|
||||
case IXP23XX_IRQ_LEVEL:
|
||||
set_irq_chip(irq, &ixp23xx_irq_level_chip);
|
||||
set_irq_handler(irq, do_level_IRQ);
|
||||
break;
|
||||
case IXP23XX_IRQ_EDGE:
|
||||
set_irq_chip(irq, &ixp23xx_irq_edge_chip);
|
||||
set_irq_handler(irq, do_edge_IRQ);
|
||||
break;
|
||||
}
|
||||
set_irq_flags(irq, IRQF_VALID);
|
||||
}
|
||||
|
||||
void __init ixp23xx_init_irq(void)
|
||||
{
|
||||
int irq;
|
||||
|
||||
/* Route everything to IRQ */
|
||||
*IXP23XX_INTR_SEL1 = 0x0;
|
||||
*IXP23XX_INTR_SEL2 = 0x0;
|
||||
*IXP23XX_INTR_SEL3 = 0x0;
|
||||
*IXP23XX_INTR_SEL4 = 0x0;
|
||||
|
||||
/* Mask all sources */
|
||||
*IXP23XX_INTR_EN1 = 0x0;
|
||||
*IXP23XX_INTR_EN2 = 0x0;
|
||||
*IXP23XX_INTR_EN3 = 0x0;
|
||||
*IXP23XX_INTR_EN4 = 0x0;
|
||||
|
||||
/*
|
||||
* Configure all IRQs for level-sensitive operation
|
||||
*/
|
||||
for (irq = 0; irq <= NUM_IXP23XX_RAW_IRQS; irq++) {
|
||||
ixp23xx_config_irq(irq, IXP23XX_IRQ_LEVEL);
|
||||
}
|
||||
|
||||
for (irq = IRQ_IXP23XX_INTA; irq <= IRQ_IXP23XX_INTB; irq++) {
|
||||
set_irq_chip(irq, &ixp23xx_pci_irq_chip);
|
||||
set_irq_handler(irq, do_level_IRQ);
|
||||
set_irq_flags(irq, IRQF_VALID);
|
||||
}
|
||||
|
||||
set_irq_chained_handler(IRQ_IXP23XX_PCI_INT_RPH, pci_handler);
|
||||
}
|
||||
|
||||
|
||||
/*************************************************************************
|
||||
* Timer-tick functions for IXP23xx
|
||||
*************************************************************************/
|
||||
#define CLOCK_TICKS_PER_USEC CLOCK_TICK_RATE / (USEC_PER_SEC)
|
||||
|
||||
static unsigned long next_jiffy_time;
|
||||
|
||||
static unsigned long
|
||||
ixp23xx_gettimeoffset(void)
|
||||
{
|
||||
unsigned long elapsed;
|
||||
|
||||
elapsed = *IXP23XX_TIMER_CONT - (next_jiffy_time - LATCH);
|
||||
|
||||
return elapsed / CLOCK_TICKS_PER_USEC;
|
||||
}
|
||||
|
||||
static irqreturn_t
|
||||
ixp23xx_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
|
||||
{
|
||||
/* Clear Pending Interrupt by writing '1' to it */
|
||||
*IXP23XX_TIMER_STATUS = IXP23XX_TIMER1_INT_PEND;
|
||||
while ((*IXP23XX_TIMER_CONT - next_jiffy_time) > LATCH) {
|
||||
timer_tick(regs);
|
||||
next_jiffy_time += LATCH;
|
||||
}
|
||||
|
||||
return IRQ_HANDLED;
|
||||
}
|
||||
|
||||
static struct irqaction ixp23xx_timer_irq = {
|
||||
.name = "IXP23xx Timer Tick",
|
||||
.handler = ixp23xx_timer_interrupt,
|
||||
.flags = SA_INTERRUPT | SA_TIMER,
|
||||
};
|
||||
|
||||
void __init ixp23xx_init_timer(void)
|
||||
{
|
||||
/* Clear Pending Interrupt by writing '1' to it */
|
||||
*IXP23XX_TIMER_STATUS = IXP23XX_TIMER1_INT_PEND;
|
||||
|
||||
/* Setup the Timer counter value */
|
||||
*IXP23XX_TIMER1_RELOAD =
|
||||
(LATCH & ~IXP23XX_TIMER_RELOAD_MASK) | IXP23XX_TIMER_ENABLE;
|
||||
|
||||
*IXP23XX_TIMER_CONT = 0;
|
||||
next_jiffy_time = LATCH;
|
||||
|
||||
/* Connect the interrupt handler and enable the interrupt */
|
||||
setup_irq(IRQ_IXP23XX_TIMER1, &ixp23xx_timer_irq);
|
||||
}
|
||||
|
||||
struct sys_timer ixp23xx_timer = {
|
||||
.init = ixp23xx_init_timer,
|
||||
.offset = ixp23xx_gettimeoffset,
|
||||
};
|
||||
|
||||
|
||||
/*************************************************************************
|
||||
* IXP23xx Platform Initializaion
|
||||
*************************************************************************/
|
||||
static struct resource ixp23xx_uart_resources[] = {
|
||||
{
|
||||
.start = IXP23XX_UART1_PHYS,
|
||||
.end = IXP23XX_UART1_PHYS + 0x0fff,
|
||||
.flags = IORESOURCE_MEM
|
||||
}, {
|
||||
.start = IXP23XX_UART2_PHYS,
|
||||
.end = IXP23XX_UART2_PHYS + 0x0fff,
|
||||
.flags = IORESOURCE_MEM
|
||||
}
|
||||
};
|
||||
|
||||
static struct plat_serial8250_port ixp23xx_uart_data[] = {
|
||||
{
|
||||
.mapbase = IXP23XX_UART1_PHYS,
|
||||
.membase = (char *)(IXP23XX_UART1_VIRT + 3),
|
||||
.irq = IRQ_IXP23XX_UART1,
|
||||
.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
|
||||
.iotype = UPIO_MEM,
|
||||
.regshift = 2,
|
||||
.uartclk = IXP23XX_UART_XTAL,
|
||||
}, {
|
||||
.mapbase = IXP23XX_UART2_PHYS,
|
||||
.membase = (char *)(IXP23XX_UART2_VIRT + 3),
|
||||
.irq = IRQ_IXP23XX_UART2,
|
||||
.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
|
||||
.iotype = UPIO_MEM,
|
||||
.regshift = 2,
|
||||
.uartclk = IXP23XX_UART_XTAL,
|
||||
},
|
||||
{ },
|
||||
};
|
||||
|
||||
static struct platform_device ixp23xx_uart = {
|
||||
.name = "serial8250",
|
||||
.id = 0,
|
||||
.dev.platform_data = ixp23xx_uart_data,
|
||||
.num_resources = 2,
|
||||
.resource = ixp23xx_uart_resources,
|
||||
};
|
||||
|
||||
static struct platform_device *ixp23xx_devices[] __initdata = {
|
||||
&ixp23xx_uart,
|
||||
};
|
||||
|
||||
void __init ixp23xx_sys_init(void)
|
||||
{
|
||||
platform_add_devices(ixp23xx_devices, ARRAY_SIZE(ixp23xx_devices));
|
||||
}
|
69
arch/arm/mach-ixp23xx/espresso.c
Normal file
69
arch/arm/mach-ixp23xx/espresso.c
Normal file
@ -0,0 +1,69 @@
|
||||
/*
|
||||
* arch/arm/mach-ixp23xx/espresso.c
|
||||
*
|
||||
* Double Espresso-specific routines
|
||||
*
|
||||
* Author: Lennert Buytenhek <buytenh@wantstofly.org>
|
||||
*
|
||||
* This file is licensed under the terms of the GNU General Public
|
||||
* License version 2. This program is licensed "as is" without any
|
||||
* warranty of any kind, whether express or implied.
|
||||
*/
|
||||
|
||||
#include <linux/config.h>
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/init.h>
|
||||
#include <linux/spinlock.h>
|
||||
#include <linux/sched.h>
|
||||
#include <linux/interrupt.h>
|
||||
#include <linux/serial.h>
|
||||
#include <linux/tty.h>
|
||||
#include <linux/bitops.h>
|
||||
#include <linux/ioport.h>
|
||||
#include <linux/serial.h>
|
||||
#include <linux/serial_8250.h>
|
||||
#include <linux/serial_core.h>
|
||||
#include <linux/device.h>
|
||||
#include <linux/mm.h>
|
||||
#include <linux/pci.h>
|
||||
#include <linux/mtd/physmap.h>
|
||||
|
||||
#include <asm/types.h>
|
||||
#include <asm/setup.h>
|
||||
#include <asm/memory.h>
|
||||
#include <asm/hardware.h>
|
||||
#include <asm/mach-types.h>
|
||||
#include <asm/irq.h>
|
||||
#include <asm/system.h>
|
||||
#include <asm/tlbflush.h>
|
||||
#include <asm/pgtable.h>
|
||||
|
||||
#include <asm/mach/map.h>
|
||||
#include <asm/mach/irq.h>
|
||||
#include <asm/mach/arch.h>
|
||||
#include <asm/mach/irq.h>
|
||||
#include <asm/mach/pci.h>
|
||||
|
||||
static void __init espresso_init(void)
|
||||
{
|
||||
physmap_configure(0x90000000, 0x02000000, 2, NULL);
|
||||
|
||||
/*
|
||||
* Mark flash as writeable.
|
||||
*/
|
||||
IXP23XX_EXP_CS0[0] |= IXP23XX_FLASH_WRITABLE;
|
||||
IXP23XX_EXP_CS0[1] |= IXP23XX_FLASH_WRITABLE;
|
||||
|
||||
ixp23xx_sys_init();
|
||||
}
|
||||
|
||||
MACHINE_START(ESPRESSO, "IP Fabrics Double Espresso")
|
||||
/* Maintainer: Lennert Buytenhek */
|
||||
.phys_io = IXP23XX_PERIPHERAL_PHYS,
|
||||
.io_pg_offst = ((IXP23XX_PERIPHERAL_VIRT >> 18)) & 0xfffc,
|
||||
.map_io = ixp23xx_map_io,
|
||||
.init_irq = ixp23xx_init_irq,
|
||||
.timer = &ixp23xx_timer,
|
||||
.boot_params = 0x00000100,
|
||||
.init_machine = espresso_init,
|
||||
MACHINE_END
|
325
arch/arm/mach-ixp23xx/ixdp2351.c
Normal file
325
arch/arm/mach-ixp23xx/ixdp2351.c
Normal file
@ -0,0 +1,325 @@
|
||||
/*
|
||||
* arch/arm/mach-ixp23xx/ixdp2351.c
|
||||
*
|
||||
* IXDP2351 board-specific routines
|
||||
*
|
||||
* Author: Deepak Saxena <dsaxena@plexity.net>
|
||||
*
|
||||
* Copyright 2005 (c) MontaVista Software, Inc.
|
||||
*
|
||||
* Based on 2.4 code Copyright 2004 (c) Intel Corporation
|
||||
*
|
||||
* This file is licensed under the terms of the GNU General Public
|
||||
* License version 2. This program is licensed "as is" without any
|
||||
* warranty of any kind, whether express or implied.
|
||||
*/
|
||||
|
||||
#include <linux/config.h>
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/init.h>
|
||||
#include <linux/spinlock.h>
|
||||
#include <linux/sched.h>
|
||||
#include <linux/interrupt.h>
|
||||
#include <linux/serial.h>
|
||||
#include <linux/tty.h>
|
||||
#include <linux/bitops.h>
|
||||
#include <linux/ioport.h>
|
||||
#include <linux/serial.h>
|
||||
#include <linux/serial_8250.h>
|
||||
#include <linux/serial_core.h>
|
||||
#include <linux/device.h>
|
||||
#include <linux/mm.h>
|
||||
#include <linux/pci.h>
|
||||
#include <linux/mtd/physmap.h>
|
||||
|
||||
#include <asm/types.h>
|
||||
#include <asm/setup.h>
|
||||
#include <asm/memory.h>
|
||||
#include <asm/hardware.h>
|
||||
#include <asm/mach-types.h>
|
||||
#include <asm/irq.h>
|
||||
#include <asm/system.h>
|
||||
#include <asm/tlbflush.h>
|
||||
#include <asm/pgtable.h>
|
||||
|
||||
#include <asm/mach/map.h>
|
||||
#include <asm/mach/irq.h>
|
||||
#include <asm/mach/arch.h>
|
||||
#include <asm/mach/irq.h>
|
||||
#include <asm/mach/pci.h>
|
||||
|
||||
/*
|
||||
* IXDP2351 Interrupt Handling
|
||||
*/
|
||||
static void ixdp2351_inta_mask(unsigned int irq)
|
||||
{
|
||||
*IXDP2351_CPLD_INTA_MASK_SET_REG = IXDP2351_INTA_IRQ_MASK(irq);
|
||||
}
|
||||
|
||||
static void ixdp2351_inta_unmask(unsigned int irq)
|
||||
{
|
||||
*IXDP2351_CPLD_INTA_MASK_CLR_REG = IXDP2351_INTA_IRQ_MASK(irq);
|
||||
}
|
||||
|
||||
static void ixdp2351_inta_handler(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs)
|
||||
{
|
||||
u16 ex_interrupt =
|
||||
*IXDP2351_CPLD_INTA_STAT_REG & IXDP2351_INTA_IRQ_VALID;
|
||||
int i;
|
||||
|
||||
desc->chip->mask(irq);
|
||||
|
||||
for (i = 0; i < IXDP2351_INTA_IRQ_NUM; i++) {
|
||||
if (ex_interrupt & (1 << i)) {
|
||||
struct irqdesc *cpld_desc;
|
||||
int cpld_irq =
|
||||
IXP23XX_MACH_IRQ(IXDP2351_INTA_IRQ_BASE + i);
|
||||
cpld_desc = irq_desc + cpld_irq;
|
||||
cpld_desc->handle(cpld_irq, cpld_desc, regs);
|
||||
}
|
||||
}
|
||||
|
||||
desc->chip->unmask(irq);
|
||||
}
|
||||
|
||||
static struct irqchip ixdp2351_inta_chip = {
|
||||
.ack = ixdp2351_inta_mask,
|
||||
.mask = ixdp2351_inta_mask,
|
||||
.unmask = ixdp2351_inta_unmask
|
||||
};
|
||||
|
||||
static void ixdp2351_intb_mask(unsigned int irq)
|
||||
{
|
||||
*IXDP2351_CPLD_INTB_MASK_SET_REG = IXDP2351_INTB_IRQ_MASK(irq);
|
||||
}
|
||||
|
||||
static void ixdp2351_intb_unmask(unsigned int irq)
|
||||
{
|
||||
*IXDP2351_CPLD_INTB_MASK_CLR_REG = IXDP2351_INTB_IRQ_MASK(irq);
|
||||
}
|
||||
|
||||
static void ixdp2351_intb_handler(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs)
|
||||
{
|
||||
u16 ex_interrupt =
|
||||
*IXDP2351_CPLD_INTB_STAT_REG & IXDP2351_INTB_IRQ_VALID;
|
||||
int i;
|
||||
|
||||
desc->chip->ack(irq);
|
||||
|
||||
for (i = 0; i < IXDP2351_INTB_IRQ_NUM; i++) {
|
||||
if (ex_interrupt & (1 << i)) {
|
||||
struct irqdesc *cpld_desc;
|
||||
int cpld_irq =
|
||||
IXP23XX_MACH_IRQ(IXDP2351_INTB_IRQ_BASE + i);
|
||||
cpld_desc = irq_desc + cpld_irq;
|
||||
cpld_desc->handle(cpld_irq, cpld_desc, regs);
|
||||
}
|
||||
}
|
||||
|
||||
desc->chip->unmask(irq);
|
||||
}
|
||||
|
||||
static struct irqchip ixdp2351_intb_chip = {
|
||||
.ack = ixdp2351_intb_mask,
|
||||
.mask = ixdp2351_intb_mask,
|
||||
.unmask = ixdp2351_intb_unmask
|
||||
};
|
||||
|
||||
void ixdp2351_init_irq(void)
|
||||
{
|
||||
int irq;
|
||||
|
||||
/* Mask all interrupts from CPLD, disable simulation */
|
||||
*IXDP2351_CPLD_INTA_MASK_SET_REG = (u16) -1;
|
||||
*IXDP2351_CPLD_INTB_MASK_SET_REG = (u16) -1;
|
||||
*IXDP2351_CPLD_INTA_SIM_REG = 0;
|
||||
*IXDP2351_CPLD_INTB_SIM_REG = 0;
|
||||
|
||||
ixp23xx_init_irq();
|
||||
|
||||
for (irq = IXP23XX_MACH_IRQ(IXDP2351_INTA_IRQ_BASE);
|
||||
irq <
|
||||
IXP23XX_MACH_IRQ(IXDP2351_INTA_IRQ_BASE + IXDP2351_INTA_IRQ_NUM);
|
||||
irq++) {
|
||||
if (IXDP2351_INTA_IRQ_MASK(irq) & IXDP2351_INTA_IRQ_VALID) {
|
||||
set_irq_flags(irq, IRQF_VALID);
|
||||
set_irq_handler(irq, do_level_IRQ);
|
||||
set_irq_chip(irq, &ixdp2351_inta_chip);
|
||||
}
|
||||
}
|
||||
|
||||
for (irq = IXP23XX_MACH_IRQ(IXDP2351_INTB_IRQ_BASE);
|
||||
irq <
|
||||
IXP23XX_MACH_IRQ(IXDP2351_INTB_IRQ_BASE + IXDP2351_INTB_IRQ_NUM);
|
||||
irq++) {
|
||||
if (IXDP2351_INTB_IRQ_MASK(irq) & IXDP2351_INTB_IRQ_VALID) {
|
||||
set_irq_flags(irq, IRQF_VALID);
|
||||
set_irq_handler(irq, do_level_IRQ);
|
||||
set_irq_chip(irq, &ixdp2351_intb_chip);
|
||||
}
|
||||
}
|
||||
|
||||
set_irq_chained_handler(IRQ_IXP23XX_INTA, &ixdp2351_inta_handler);
|
||||
set_irq_chained_handler(IRQ_IXP23XX_INTB, &ixdp2351_intb_handler);
|
||||
}
|
||||
|
||||
/*
|
||||
* IXDP2351 PCI
|
||||
*/
|
||||
|
||||
/*
|
||||
* This board does not do normal PCI IRQ routing, or any
|
||||
* sort of swizzling, so we just need to check where on the
|
||||
* bus the device is and figure out what CPLD pin it is
|
||||
* being routed to.
|
||||
*/
|
||||
#define DEVPIN(dev, pin) ((pin) | ((dev) << 3))
|
||||
|
||||
static int __init ixdp2351_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
|
||||
{
|
||||
u8 bus = dev->bus->number;
|
||||
u32 devpin = DEVPIN(PCI_SLOT(dev->devfn), pin);
|
||||
struct pci_bus *tmp_bus = dev->bus;
|
||||
|
||||
/* Primary bus, no interrupts here */
|
||||
if (!bus)
|
||||
return -1;
|
||||
|
||||
/* Lookup first leaf in bus tree */
|
||||
while ((tmp_bus->parent != NULL) && (tmp_bus->parent->parent != NULL))
|
||||
tmp_bus = tmp_bus->parent;
|
||||
|
||||
/* Select between known bridges */
|
||||
switch (tmp_bus->self->devfn | (tmp_bus->self->bus->number << 8)) {
|
||||
/* Device is located after first bridge */
|
||||
case 0x0008:
|
||||
if (tmp_bus == dev->bus) {
|
||||
/* Device is located directy after first bridge */
|
||||
switch (devpin) {
|
||||
/* Onboard 82546 */
|
||||
case DEVPIN(1, 1): /* Onboard 82546 ch 0 */
|
||||
return IRQ_IXDP2351_INTA_82546;
|
||||
case DEVPIN(1, 2): /* Onboard 82546 ch 1 */
|
||||
return IRQ_IXDP2351_INTB_82546;
|
||||
/* PMC SLOT */
|
||||
case DEVPIN(0, 1): /* PMCP INTA# */
|
||||
case DEVPIN(2, 4): /* PMCS INTD# */
|
||||
return IRQ_IXDP2351_SPCI_PMC_INTA;
|
||||
case DEVPIN(0, 2): /* PMCP INTB# */
|
||||
case DEVPIN(2, 1): /* PMCS INTA# */
|
||||
return IRQ_IXDP2351_SPCI_PMC_INTB;
|
||||
case DEVPIN(0, 3): /* PMCP INTC# */
|
||||
case DEVPIN(2, 2): /* PMCS INTB# */
|
||||
return IRQ_IXDP2351_SPCI_PMC_INTC;
|
||||
case DEVPIN(0, 4): /* PMCP INTD# */
|
||||
case DEVPIN(2, 3): /* PMCS INTC# */
|
||||
return IRQ_IXDP2351_SPCI_PMC_INTD;
|
||||
}
|
||||
} else {
|
||||
/* Device is located indirectly after first bridge */
|
||||
/* Not supported now */
|
||||
return -1;
|
||||
}
|
||||
break;
|
||||
case 0x0010:
|
||||
if (tmp_bus == dev->bus) {
|
||||
/* Device is located directy after second bridge */
|
||||
/* Secondary bus of second bridge */
|
||||
switch (devpin) {
|
||||
case DEVPIN(0, 1): /* DB#0 */
|
||||
case DEVPIN(0, 2):
|
||||
case DEVPIN(0, 3):
|
||||
case DEVPIN(0, 4):
|
||||
return IRQ_IXDP2351_SPCI_DB_0;
|
||||
case DEVPIN(1, 1): /* DB#1 */
|
||||
case DEVPIN(1, 2):
|
||||
case DEVPIN(1, 3):
|
||||
case DEVPIN(1, 4):
|
||||
return IRQ_IXDP2351_SPCI_DB_1;
|
||||
case DEVPIN(2, 1): /* FIC1 */
|
||||
case DEVPIN(2, 2):
|
||||
case DEVPIN(2, 3):
|
||||
case DEVPIN(2, 4):
|
||||
case DEVPIN(3, 1): /* FIC2 */
|
||||
case DEVPIN(3, 2):
|
||||
case DEVPIN(3, 3):
|
||||
case DEVPIN(3, 4):
|
||||
return IRQ_IXDP2351_SPCI_FIC;
|
||||
}
|
||||
} else {
|
||||
/* Device is located indirectly after second bridge */
|
||||
/* Not supported now */
|
||||
return -1;
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
struct hw_pci ixdp2351_pci __initdata = {
|
||||
.nr_controllers = 1,
|
||||
.preinit = ixp23xx_pci_preinit,
|
||||
.setup = ixp23xx_pci_setup,
|
||||
.scan = ixp23xx_pci_scan_bus,
|
||||
.map_irq = ixdp2351_map_irq,
|
||||
};
|
||||
|
||||
int __init ixdp2351_pci_init(void)
|
||||
{
|
||||
if (machine_is_ixdp2351())
|
||||
pci_common_init(&ixdp2351_pci);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
subsys_initcall(ixdp2351_pci_init);
|
||||
|
||||
/*
|
||||
* IXDP2351 Static Mapped I/O
|
||||
*/
|
||||
static struct map_desc ixdp2351_io_desc[] __initdata = {
|
||||
{
|
||||
.virtual = IXDP2351_NP_VIRT_BASE,
|
||||
.pfn = __phys_to_pfn((u64)IXDP2351_NP_PHYS_BASE),
|
||||
.length = IXDP2351_NP_PHYS_SIZE,
|
||||
.type = MT_DEVICE
|
||||
}, {
|
||||
.virtual = IXDP2351_BB_BASE_VIRT,
|
||||
.pfn = __phys_to_pfn((u64)IXDP2351_BB_BASE_PHYS),
|
||||
.length = IXDP2351_BB_SIZE,
|
||||
.type = MT_DEVICE
|
||||
}
|
||||
};
|
||||
|
||||
static void __init ixdp2351_map_io(void)
|
||||
{
|
||||
ixp23xx_map_io();
|
||||
iotable_init(ixdp2351_io_desc, ARRAY_SIZE(ixdp2351_io_desc));
|
||||
}
|
||||
|
||||
static void __init ixdp2351_init(void)
|
||||
{
|
||||
physmap_configure(0x90000000, 0x04000000, 1, NULL);
|
||||
|
||||
/*
|
||||
* Mark flash as writeable
|
||||
*/
|
||||
IXP23XX_EXP_CS0[0] |= IXP23XX_FLASH_WRITABLE;
|
||||
IXP23XX_EXP_CS0[1] |= IXP23XX_FLASH_WRITABLE;
|
||||
IXP23XX_EXP_CS0[2] |= IXP23XX_FLASH_WRITABLE;
|
||||
IXP23XX_EXP_CS0[3] |= IXP23XX_FLASH_WRITABLE;
|
||||
|
||||
ixp23xx_sys_init();
|
||||
}
|
||||
|
||||
MACHINE_START(IXDP2351, "Intel IXDP2351 Development Platform")
|
||||
/* Maintainer: MontaVista Software, Inc. */
|
||||
.phys_io = IXP23XX_PERIPHERAL_PHYS,
|
||||
.io_pg_offst = ((IXP23XX_PERIPHERAL_VIRT >> 18)) & 0xfffc,
|
||||
.map_io = ixdp2351_map_io,
|
||||
.init_irq = ixdp2351_init_irq,
|
||||
.timer = &ixp23xx_timer,
|
||||
.boot_params = 0x00000100,
|
||||
.init_machine = ixdp2351_init,
|
||||
MACHINE_END
|
275
arch/arm/mach-ixp23xx/pci.c
Normal file
275
arch/arm/mach-ixp23xx/pci.c
Normal file
@ -0,0 +1,275 @@
|
||||
/*
|
||||
* arch/arm/mach-ixp23xx/pci.c
|
||||
*
|
||||
* PCI routines for IXP23XX based systems
|
||||
*
|
||||
* Copyright (c) 2005 MontaVista Software, Inc.
|
||||
*
|
||||
* based on original code:
|
||||
*
|
||||
* Author: Naeem Afzal <naeem.m.afzal@intel.com>
|
||||
* Copyright 2002-2005 Intel Corp.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms of the GNU General Public License as published by the
|
||||
* Free Software Foundation; either version 2 of the License, or (at your
|
||||
* option) any later version.
|
||||
*/
|
||||
|
||||
#include <linux/config.h>
|
||||
#include <linux/sched.h>
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/pci.h>
|
||||
#include <linux/interrupt.h>
|
||||
#include <linux/mm.h>
|
||||
#include <linux/init.h>
|
||||
#include <linux/ioport.h>
|
||||
#include <linux/slab.h>
|
||||
#include <linux/delay.h>
|
||||
|
||||
#include <asm/io.h>
|
||||
#include <asm/irq.h>
|
||||
#include <asm/sizes.h>
|
||||
#include <asm/system.h>
|
||||
#include <asm/mach/pci.h>
|
||||
#include <asm/mach-types.h>
|
||||
#include <asm/hardware.h>
|
||||
|
||||
extern int (*external_fault) (unsigned long, struct pt_regs *);
|
||||
|
||||
static int pci_master_aborts = 0;
|
||||
|
||||
#ifdef DEBUG
|
||||
#define DBG(x...) printk(x)
|
||||
#else
|
||||
#define DBG(x...)
|
||||
#endif
|
||||
|
||||
int clear_master_aborts(void);
|
||||
|
||||
static u32
|
||||
*ixp23xx_pci_config_addr(unsigned int bus_nr, unsigned int devfn, int where)
|
||||
{
|
||||
u32 *paddress;
|
||||
|
||||
/*
|
||||
* Must be dword aligned
|
||||
*/
|
||||
where &= ~3;
|
||||
|
||||
/*
|
||||
* For top bus, generate type 0, else type 1
|
||||
*/
|
||||
if (!bus_nr) {
|
||||
if (PCI_SLOT(devfn) >= 8)
|
||||
return 0;
|
||||
|
||||
paddress = (u32 *) (IXP23XX_PCI_CFG0_VIRT
|
||||
| (1 << (PCI_SLOT(devfn) + 16))
|
||||
| (PCI_FUNC(devfn) << 8) | where);
|
||||
} else {
|
||||
paddress = (u32 *) (IXP23XX_PCI_CFG1_VIRT
|
||||
| (bus_nr << 16)
|
||||
| (PCI_SLOT(devfn) << 11)
|
||||
| (PCI_FUNC(devfn) << 8) | where);
|
||||
}
|
||||
|
||||
return paddress;
|
||||
}
|
||||
|
||||
/*
|
||||
* Mask table, bits to mask for quantity of size 1, 2 or 4 bytes.
|
||||
* 0 and 3 are not valid indexes...
|
||||
*/
|
||||
static u32 bytemask[] = {
|
||||
/*0*/ 0,
|
||||
/*1*/ 0xff,
|
||||
/*2*/ 0xffff,
|
||||
/*3*/ 0,
|
||||
/*4*/ 0xffffffff,
|
||||
};
|
||||
|
||||
static int ixp23xx_pci_read_config(struct pci_bus *bus, unsigned int devfn,
|
||||
int where, int size, u32 *value)
|
||||
{
|
||||
u32 n;
|
||||
u32 *addr;
|
||||
|
||||
n = where % 4;
|
||||
|
||||
DBG("In config_read(%d) %d from dev %d:%d:%d\n", size, where,
|
||||
bus->number, PCI_SLOT(devfn), PCI_FUNC(devfn));
|
||||
|
||||
addr = ixp23xx_pci_config_addr(bus->number, devfn, where);
|
||||
if (!addr)
|
||||
return PCIBIOS_DEVICE_NOT_FOUND;
|
||||
|
||||
pci_master_aborts = 0;
|
||||
*value = (*addr >> (8*n)) & bytemask[size];
|
||||
if (pci_master_aborts) {
|
||||
pci_master_aborts = 0;
|
||||
*value = 0xffffffff;
|
||||
return PCIBIOS_DEVICE_NOT_FOUND;
|
||||
}
|
||||
|
||||
return PCIBIOS_SUCCESSFUL;
|
||||
}
|
||||
|
||||
/*
|
||||
* We don't do error checking on the address for writes.
|
||||
* It's assumed that the user checked for the device existing first
|
||||
* by doing a read first.
|
||||
*/
|
||||
static int ixp23xx_pci_write_config(struct pci_bus *bus, unsigned int devfn,
|
||||
int where, int size, u32 value)
|
||||
{
|
||||
u32 mask;
|
||||
u32 *addr;
|
||||
u32 temp;
|
||||
|
||||
mask = ~(bytemask[size] << ((where % 0x4) * 8));
|
||||
addr = ixp23xx_pci_config_addr(bus->number, devfn, where);
|
||||
if (!addr)
|
||||
return PCIBIOS_DEVICE_NOT_FOUND;
|
||||
temp = (u32) (value) << ((where % 0x4) * 8);
|
||||
*addr = (*addr & mask) | temp;
|
||||
|
||||
clear_master_aborts();
|
||||
|
||||
return PCIBIOS_SUCCESSFUL;
|
||||
}
|
||||
|
||||
struct pci_ops ixp23xx_pci_ops = {
|
||||
.read = ixp23xx_pci_read_config,
|
||||
.write = ixp23xx_pci_write_config,
|
||||
};
|
||||
|
||||
struct pci_bus *ixp23xx_pci_scan_bus(int nr, struct pci_sys_data *sysdata)
|
||||
{
|
||||
return pci_scan_bus(sysdata->busnr, &ixp23xx_pci_ops, sysdata);
|
||||
}
|
||||
|
||||
int ixp23xx_pci_abort_handler(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
|
||||
{
|
||||
volatile unsigned long temp;
|
||||
unsigned long flags;
|
||||
|
||||
pci_master_aborts = 1;
|
||||
|
||||
local_irq_save(flags);
|
||||
temp = *IXP23XX_PCI_CONTROL;
|
||||
|
||||
/*
|
||||
* master abort and cmd tgt err
|
||||
*/
|
||||
if (temp & ((1 << 8) | (1 << 5)))
|
||||
*IXP23XX_PCI_CONTROL = temp;
|
||||
|
||||
temp = *IXP23XX_PCI_CMDSTAT;
|
||||
|
||||
if (temp & (1 << 29))
|
||||
*IXP23XX_PCI_CMDSTAT = temp;
|
||||
local_irq_restore(flags);
|
||||
|
||||
/*
|
||||
* If it was an imprecise abort, then we need to correct the
|
||||
* return address to be _after_ the instruction.
|
||||
*/
|
||||
if (fsr & (1 << 10))
|
||||
regs->ARM_pc += 4;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int clear_master_aborts(void)
|
||||
{
|
||||
volatile u32 temp;
|
||||
|
||||
temp = *IXP23XX_PCI_CONTROL;
|
||||
|
||||
/*
|
||||
* master abort and cmd tgt err
|
||||
*/
|
||||
if (temp & ((1 << 8) | (1 << 5)))
|
||||
*IXP23XX_PCI_CONTROL = temp;
|
||||
|
||||
temp = *IXP23XX_PCI_CMDSTAT;
|
||||
|
||||
if (temp & (1 << 29))
|
||||
*IXP23XX_PCI_CMDSTAT = temp;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
void __init ixp23xx_pci_preinit(void)
|
||||
{
|
||||
#ifdef __ARMEB__
|
||||
*IXP23XX_PCI_CONTROL |= 0x20000; /* set I/O swapping */
|
||||
#endif
|
||||
/*
|
||||
* ADDR_31 needs to be clear for PCI memory access to CPP memory
|
||||
*/
|
||||
*IXP23XX_CPP2XSI_CURR_XFER_REG3 &= ~IXP23XX_CPP2XSI_ADDR_31;
|
||||
*IXP23XX_CPP2XSI_CURR_XFER_REG3 |= IXP23XX_CPP2XSI_PSH_OFF;
|
||||
|
||||
/*
|
||||
* Select correct memory for PCI inbound transactions
|
||||
*/
|
||||
if (ixp23xx_cpp_boot()) {
|
||||
*IXP23XX_PCI_CPP_ADDR_BITS &= ~(1 << 1);
|
||||
} else {
|
||||
*IXP23XX_PCI_CPP_ADDR_BITS |= (1 << 1);
|
||||
}
|
||||
|
||||
hook_fault_code(16+6, ixp23xx_pci_abort_handler, SIGBUS,
|
||||
"PCI config cycle to non-existent device");
|
||||
|
||||
*IXP23XX_PCI_ADDR_EXT = 0x0000e000;
|
||||
}
|
||||
|
||||
/*
|
||||
* Prevent PCI layer from seeing the inbound host-bridge resources
|
||||
*/
|
||||
static void __devinit pci_fixup_ixp23xx(struct pci_dev *dev)
|
||||
{
|
||||
int i;
|
||||
|
||||
dev->class &= 0xff;
|
||||
dev->class |= PCI_CLASS_BRIDGE_HOST << 8;
|
||||
for (i = 0; i < PCI_NUM_RESOURCES; i++) {
|
||||
dev->resource[i].start = 0;
|
||||
dev->resource[i].end = 0;
|
||||
dev->resource[i].flags = 0;
|
||||
}
|
||||
}
|
||||
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x9002, pci_fixup_ixp23xx);
|
||||
|
||||
/*
|
||||
* IXP2300 systems often have large resource requirements, so we just
|
||||
* use our own resource space.
|
||||
*/
|
||||
static struct resource ixp23xx_pci_mem_space = {
|
||||
.start = IXP23XX_PCI_MEM_START,
|
||||
.end = IXP23XX_PCI_MEM_START + IXP23XX_PCI_MEM_SIZE - 1,
|
||||
.flags = IORESOURCE_MEM,
|
||||
.name = "PCI Mem Space"
|
||||
};
|
||||
|
||||
static struct resource ixp23xx_pci_io_space = {
|
||||
.start = 0x00000100,
|
||||
.end = 0x01ffffff,
|
||||
.flags = IORESOURCE_IO,
|
||||
.name = "PCI I/O Space"
|
||||
};
|
||||
|
||||
int ixp23xx_pci_setup(int nr, struct pci_sys_data *sys)
|
||||
{
|
||||
if (nr >= 1)
|
||||
return 0;
|
||||
|
||||
sys->resource[0] = &ixp23xx_pci_io_space;
|
||||
sys->resource[1] = &ixp23xx_pci_mem_space;
|
||||
sys->resource[2] = NULL;
|
||||
|
||||
return 1;
|
||||
}
|
164
arch/arm/mach-ixp23xx/roadrunner.c
Normal file
164
arch/arm/mach-ixp23xx/roadrunner.c
Normal file
@ -0,0 +1,164 @@
|
||||
/*
|
||||
* arch/arm/mach-ixp23xx/roadrunner.c
|
||||
*
|
||||
* RoadRunner board-specific routines
|
||||
*
|
||||
* Author: Deepak Saxena <dsaxena@plexity.net>
|
||||
*
|
||||
* Copyright 2005 (c) MontaVista Software, Inc.
|
||||
*
|
||||
* Based on 2.4 code Copyright 2005 (c) ADI Engineering Corporation
|
||||
*
|
||||
* This file is licensed under the terms of the GNU General Public
|
||||
* License version 2. This program is licensed "as is" without any
|
||||
* warranty of any kind, whether express or implied.
|
||||
*/
|
||||
|
||||
#include <linux/config.h>
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/init.h>
|
||||
#include <linux/spinlock.h>
|
||||
#include <linux/sched.h>
|
||||
#include <linux/interrupt.h>
|
||||
#include <linux/serial.h>
|
||||
#include <linux/tty.h>
|
||||
#include <linux/bitops.h>
|
||||
#include <linux/ioport.h>
|
||||
#include <linux/serial.h>
|
||||
#include <linux/serial_8250.h>
|
||||
#include <linux/serial_core.h>
|
||||
#include <linux/device.h>
|
||||
#include <linux/mm.h>
|
||||
#include <linux/pci.h>
|
||||
#include <linux/mtd/physmap.h>
|
||||
|
||||
#include <asm/types.h>
|
||||
#include <asm/setup.h>
|
||||
#include <asm/memory.h>
|
||||
#include <asm/hardware.h>
|
||||
#include <asm/mach-types.h>
|
||||
#include <asm/irq.h>
|
||||
#include <asm/system.h>
|
||||
#include <asm/tlbflush.h>
|
||||
#include <asm/pgtable.h>
|
||||
|
||||
#include <asm/mach/map.h>
|
||||
#include <asm/mach/irq.h>
|
||||
#include <asm/mach/arch.h>
|
||||
#include <asm/mach/irq.h>
|
||||
#include <asm/mach/pci.h>
|
||||
|
||||
/*
|
||||
* Interrupt mapping
|
||||
*/
|
||||
#define INTA IRQ_ROADRUNNER_PCI_INTA
|
||||
#define INTB IRQ_ROADRUNNER_PCI_INTB
|
||||
#define INTC IRQ_ROADRUNNER_PCI_INTC
|
||||
#define INTD IRQ_ROADRUNNER_PCI_INTD
|
||||
|
||||
#define INTC_PIN IXP23XX_GPIO_PIN_11
|
||||
#define INTD_PIN IXP23XX_GPIO_PIN_12
|
||||
|
||||
static int __init roadrunner_map_irq(struct pci_dev *dev, u8 idsel, u8 pin)
|
||||
{
|
||||
static int pci_card_slot_irq[] = {INTB, INTC, INTD, INTA};
|
||||
static int pmc_card_slot_irq[] = {INTA, INTB, INTC, INTD};
|
||||
static int usb_irq[] = {INTB, INTC, INTD, -1};
|
||||
static int mini_pci_1_irq[] = {INTB, INTC, -1, -1};
|
||||
static int mini_pci_2_irq[] = {INTC, INTD, -1, -1};
|
||||
|
||||
switch(dev->bus->number) {
|
||||
case 0:
|
||||
switch(dev->devfn) {
|
||||
case 0x0: // PCI-PCI bridge
|
||||
break;
|
||||
case 0x8: // PCI Card Slot
|
||||
return pci_card_slot_irq[pin - 1];
|
||||
case 0x10: // PMC Slot
|
||||
return pmc_card_slot_irq[pin - 1];
|
||||
case 0x18: // PMC Slot Secondary Agent
|
||||
break;
|
||||
case 0x20: // IXP Processor
|
||||
break;
|
||||
default:
|
||||
return NO_IRQ;
|
||||
}
|
||||
break;
|
||||
|
||||
case 1:
|
||||
switch(dev->devfn) {
|
||||
case 0x0: // IDE Controller
|
||||
return (pin == 1) ? INTC : -1;
|
||||
case 0x8: // USB fun 0
|
||||
case 0x9: // USB fun 1
|
||||
case 0xa: // USB fun 2
|
||||
return usb_irq[pin - 1];
|
||||
case 0x10: // Mini PCI 1
|
||||
return mini_pci_1_irq[pin-1];
|
||||
case 0x18: // Mini PCI 2
|
||||
return mini_pci_2_irq[pin-1];
|
||||
case 0x20: // MEM slot
|
||||
return (pin == 1) ? INTA : -1;
|
||||
default:
|
||||
return NO_IRQ;
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
return NO_IRQ;
|
||||
}
|
||||
|
||||
return NO_IRQ;
|
||||
}
|
||||
|
||||
static void roadrunner_pci_preinit(void)
|
||||
{
|
||||
set_irq_type(IRQ_ROADRUNNER_PCI_INTC, IRQT_LOW);
|
||||
set_irq_type(IRQ_ROADRUNNER_PCI_INTD, IRQT_LOW);
|
||||
|
||||
ixp23xx_pci_preinit();
|
||||
}
|
||||
|
||||
static struct hw_pci roadrunner_pci __initdata = {
|
||||
.nr_controllers = 1,
|
||||
.preinit = roadrunner_pci_preinit,
|
||||
.setup = ixp23xx_pci_setup,
|
||||
.scan = ixp23xx_pci_scan_bus,
|
||||
.map_irq = roadrunner_map_irq,
|
||||
};
|
||||
|
||||
static int __init roadrunner_pci_init(void)
|
||||
{
|
||||
if (machine_is_roadrunner())
|
||||
pci_common_init(&roadrunner_pci);
|
||||
|
||||
return 0;
|
||||
};
|
||||
|
||||
subsys_initcall(roadrunner_pci_init);
|
||||
|
||||
static void __init roadrunner_init(void)
|
||||
{
|
||||
physmap_configure(0x90000000, 0x04000000, 2, NULL);
|
||||
|
||||
/*
|
||||
* Mark flash as writeable
|
||||
*/
|
||||
IXP23XX_EXP_CS0[0] |= IXP23XX_FLASH_WRITABLE;
|
||||
IXP23XX_EXP_CS0[1] |= IXP23XX_FLASH_WRITABLE;
|
||||
IXP23XX_EXP_CS0[2] |= IXP23XX_FLASH_WRITABLE;
|
||||
IXP23XX_EXP_CS0[3] |= IXP23XX_FLASH_WRITABLE;
|
||||
|
||||
ixp23xx_sys_init();
|
||||
}
|
||||
|
||||
MACHINE_START(ROADRUNNER, "ADI Engineering RoadRunner Development Platform")
|
||||
/* Maintainer: Deepak Saxena */
|
||||
.phys_io = IXP23XX_PERIPHERAL_PHYS,
|
||||
.io_pg_offst = ((IXP23XX_PERIPHERAL_VIRT >> 18)) & 0xfffc,
|
||||
.map_io = ixp23xx_map_io,
|
||||
.init_irq = ixp23xx_init_irq,
|
||||
.timer = &ixp23xx_timer,
|
||||
.boot_params = 0x00000100,
|
||||
.init_machine = roadrunner_init,
|
||||
MACHINE_END
|
@ -10,6 +10,11 @@ config ARCH_LUBBOCK
|
||||
select PXA25x
|
||||
select SA1111
|
||||
|
||||
config MACH_LOGICPD_PXA270
|
||||
bool "LogicPD PXA270 Card Engine Development Platform"
|
||||
select PXA27x
|
||||
select IWMMXT
|
||||
|
||||
config MACH_MAINSTONE
|
||||
bool "Intel HCDDBBVA0 Development Platform"
|
||||
select PXA27x
|
||||
|
@ -9,6 +9,7 @@ obj-$(CONFIG_PXA27x) += pxa27x.o
|
||||
|
||||
# Specific board support
|
||||
obj-$(CONFIG_ARCH_LUBBOCK) += lubbock.o
|
||||
obj-$(CONFIG_MACH_LOGICPD_PXA270) += lpd270.o
|
||||
obj-$(CONFIG_MACH_MAINSTONE) += mainstone.o
|
||||
obj-$(CONFIG_ARCH_PXA_IDP) += idp.o
|
||||
obj-$(CONFIG_PXA_SHARP_C7xx) += corgi.o corgi_ssp.o corgi_lcd.o sharpsl_pm.o corgi_pm.o
|
||||
|
393
arch/arm/mach-pxa/lpd270.c
Normal file
393
arch/arm/mach-pxa/lpd270.c
Normal file
@ -0,0 +1,393 @@
|
||||
/*
|
||||
* linux/arch/arm/mach-pxa/lpd270.c
|
||||
*
|
||||
* Support for the LogicPD PXA270 Card Engine.
|
||||
* Derived from the mainstone code, which carries these notices:
|
||||
*
|
||||
* Author: Nicolas Pitre
|
||||
* Created: Nov 05, 2002
|
||||
* Copyright: MontaVista Software Inc.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 as
|
||||
* published by the Free Software Foundation.
|
||||
*/
|
||||
|
||||
#include <linux/init.h>
|
||||
#include <linux/platform_device.h>
|
||||
#include <linux/sysdev.h>
|
||||
#include <linux/interrupt.h>
|
||||
#include <linux/sched.h>
|
||||
#include <linux/bitops.h>
|
||||
#include <linux/fb.h>
|
||||
#include <linux/ioport.h>
|
||||
#include <linux/mtd/mtd.h>
|
||||
#include <linux/mtd/partitions.h>
|
||||
|
||||
#include <asm/types.h>
|
||||
#include <asm/setup.h>
|
||||
#include <asm/memory.h>
|
||||
#include <asm/mach-types.h>
|
||||
#include <asm/hardware.h>
|
||||
#include <asm/irq.h>
|
||||
#include <asm/sizes.h>
|
||||
|
||||
#include <asm/mach/arch.h>
|
||||
#include <asm/mach/map.h>
|
||||
#include <asm/mach/irq.h>
|
||||
#include <asm/mach/flash.h>
|
||||
|
||||
#include <asm/arch/pxa-regs.h>
|
||||
#include <asm/arch/lpd270.h>
|
||||
#include <asm/arch/audio.h>
|
||||
#include <asm/arch/pxafb.h>
|
||||
#include <asm/arch/mmc.h>
|
||||
#include <asm/arch/irda.h>
|
||||
#include <asm/arch/ohci.h>
|
||||
|
||||
#include "generic.h"
|
||||
|
||||
|
||||
static unsigned int lpd270_irq_enabled;
|
||||
|
||||
static void lpd270_mask_irq(unsigned int irq)
|
||||
{
|
||||
int lpd270_irq = irq - LPD270_IRQ(0);
|
||||
|
||||
__raw_writew(~(1 << lpd270_irq), LPD270_INT_STATUS);
|
||||
|
||||
lpd270_irq_enabled &= ~(1 << lpd270_irq);
|
||||
__raw_writew(lpd270_irq_enabled, LPD270_INT_MASK);
|
||||
}
|
||||
|
||||
static void lpd270_unmask_irq(unsigned int irq)
|
||||
{
|
||||
int lpd270_irq = irq - LPD270_IRQ(0);
|
||||
|
||||
lpd270_irq_enabled |= 1 << lpd270_irq;
|
||||
__raw_writew(lpd270_irq_enabled, LPD270_INT_MASK);
|
||||
}
|
||||
|
||||
static struct irqchip lpd270_irq_chip = {
|
||||
.ack = lpd270_mask_irq,
|
||||
.mask = lpd270_mask_irq,
|
||||
.unmask = lpd270_unmask_irq,
|
||||
};
|
||||
|
||||
static void lpd270_irq_handler(unsigned int irq, struct irqdesc *desc,
|
||||
struct pt_regs *regs)
|
||||
{
|
||||
unsigned long pending;
|
||||
|
||||
pending = __raw_readw(LPD270_INT_STATUS) & lpd270_irq_enabled;
|
||||
do {
|
||||
GEDR(0) = GPIO_bit(0); /* clear useless edge notification */
|
||||
if (likely(pending)) {
|
||||
irq = LPD270_IRQ(0) + __ffs(pending);
|
||||
desc = irq_desc + irq;
|
||||
desc_handle_irq(irq, desc, regs);
|
||||
|
||||
pending = __raw_readw(LPD270_INT_STATUS) &
|
||||
lpd270_irq_enabled;
|
||||
}
|
||||
} while (pending);
|
||||
}
|
||||
|
||||
static void __init lpd270_init_irq(void)
|
||||
{
|
||||
int irq;
|
||||
|
||||
pxa_init_irq();
|
||||
|
||||
__raw_writew(0, LPD270_INT_MASK);
|
||||
__raw_writew(0, LPD270_INT_STATUS);
|
||||
|
||||
/* setup extra LogicPD PXA270 irqs */
|
||||
for (irq = LPD270_IRQ(2); irq <= LPD270_IRQ(4); irq++) {
|
||||
set_irq_chip(irq, &lpd270_irq_chip);
|
||||
set_irq_handler(irq, do_level_IRQ);
|
||||
set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
|
||||
}
|
||||
set_irq_chained_handler(IRQ_GPIO(0), lpd270_irq_handler);
|
||||
set_irq_type(IRQ_GPIO(0), IRQT_FALLING);
|
||||
}
|
||||
|
||||
|
||||
#ifdef CONFIG_PM
|
||||
static int lpd270_irq_resume(struct sys_device *dev)
|
||||
{
|
||||
__raw_writew(lpd270_irq_enabled, LPD270_INT_MASK);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct sysdev_class lpd270_irq_sysclass = {
|
||||
set_kset_name("cpld_irq"),
|
||||
.resume = lpd270_irq_resume,
|
||||
};
|
||||
|
||||
static struct sys_device lpd270_irq_device = {
|
||||
.cls = &lpd270_irq_sysclass,
|
||||
};
|
||||
|
||||
static int __init lpd270_irq_device_init(void)
|
||||
{
|
||||
int ret = sysdev_class_register(&lpd270_irq_sysclass);
|
||||
if (ret == 0)
|
||||
ret = sysdev_register(&lpd270_irq_device);
|
||||
return ret;
|
||||
}
|
||||
|
||||
device_initcall(lpd270_irq_device_init);
|
||||
#endif
|
||||
|
||||
|
||||
static struct resource smc91x_resources[] = {
|
||||
[0] = {
|
||||
.start = LPD270_ETH_PHYS,
|
||||
.end = (LPD270_ETH_PHYS + 0xfffff),
|
||||
.flags = IORESOURCE_MEM,
|
||||
},
|
||||
[1] = {
|
||||
.start = LPD270_ETHERNET_IRQ,
|
||||
.end = LPD270_ETHERNET_IRQ,
|
||||
.flags = IORESOURCE_IRQ,
|
||||
},
|
||||
};
|
||||
|
||||
static struct platform_device smc91x_device = {
|
||||
.name = "smc91x",
|
||||
.id = 0,
|
||||
.num_resources = ARRAY_SIZE(smc91x_resources),
|
||||
.resource = smc91x_resources,
|
||||
};
|
||||
|
||||
static struct platform_device lpd270_audio_device = {
|
||||
.name = "pxa2xx-ac97",
|
||||
.id = -1,
|
||||
};
|
||||
|
||||
static struct resource lpd270_flash_resources[] = {
|
||||
[0] = {
|
||||
.start = PXA_CS0_PHYS,
|
||||
.end = PXA_CS0_PHYS + SZ_64M - 1,
|
||||
.flags = IORESOURCE_MEM,
|
||||
},
|
||||
[1] = {
|
||||
.start = PXA_CS1_PHYS,
|
||||
.end = PXA_CS1_PHYS + SZ_64M - 1,
|
||||
.flags = IORESOURCE_MEM,
|
||||
},
|
||||
};
|
||||
|
||||
static struct mtd_partition lpd270_flash0_partitions[] = {
|
||||
{
|
||||
.name = "Bootloader",
|
||||
.size = 0x00040000,
|
||||
.offset = 0,
|
||||
.mask_flags = MTD_WRITEABLE /* force read-only */
|
||||
}, {
|
||||
.name = "Kernel",
|
||||
.size = 0x00400000,
|
||||
.offset = 0x00040000,
|
||||
}, {
|
||||
.name = "Filesystem",
|
||||
.size = MTDPART_SIZ_FULL,
|
||||
.offset = 0x00440000
|
||||
},
|
||||
};
|
||||
|
||||
static struct flash_platform_data lpd270_flash_data[2] = {
|
||||
{
|
||||
.name = "processor-flash",
|
||||
.map_name = "cfi_probe",
|
||||
.parts = lpd270_flash0_partitions,
|
||||
.nr_parts = ARRAY_SIZE(lpd270_flash0_partitions),
|
||||
}, {
|
||||
.name = "mainboard-flash",
|
||||
.map_name = "cfi_probe",
|
||||
.parts = NULL,
|
||||
.nr_parts = 0,
|
||||
}
|
||||
};
|
||||
|
||||
static struct platform_device lpd270_flash_device[2] = {
|
||||
{
|
||||
.name = "pxa2xx-flash",
|
||||
.id = 0,
|
||||
.dev = {
|
||||
.platform_data = &lpd270_flash_data[0],
|
||||
},
|
||||
.resource = &lpd270_flash_resources[0],
|
||||
.num_resources = 1,
|
||||
}, {
|
||||
.name = "pxa2xx-flash",
|
||||
.id = 1,
|
||||
.dev = {
|
||||
.platform_data = &lpd270_flash_data[1],
|
||||
},
|
||||
.resource = &lpd270_flash_resources[1],
|
||||
.num_resources = 1,
|
||||
},
|
||||
};
|
||||
|
||||
static void lpd270_backlight_power(int on)
|
||||
{
|
||||
if (on) {
|
||||
pxa_gpio_mode(GPIO16_PWM0_MD);
|
||||
pxa_set_cken(CKEN0_PWM0, 1);
|
||||
PWM_CTRL0 = 0;
|
||||
PWM_PWDUTY0 = 0x3ff;
|
||||
PWM_PERVAL0 = 0x3ff;
|
||||
} else {
|
||||
PWM_CTRL0 = 0;
|
||||
PWM_PWDUTY0 = 0x0;
|
||||
PWM_PERVAL0 = 0x3FF;
|
||||
pxa_set_cken(CKEN0_PWM0, 0);
|
||||
}
|
||||
}
|
||||
|
||||
/* 5.7" TFT QVGA (LoLo display number 1) */
|
||||
static struct pxafb_mach_info sharp_lq057q3dc02 __initdata = {
|
||||
.pixclock = 100000,
|
||||
.xres = 240,
|
||||
.yres = 320,
|
||||
.bpp = 16,
|
||||
.hsync_len = 64,
|
||||
.left_margin = 0x27,
|
||||
.right_margin = 0x09,
|
||||
.vsync_len = 0x04,
|
||||
.upper_margin = 0x08,
|
||||
.lower_margin = 0x14,
|
||||
.sync = 0,
|
||||
.lccr0 = 0x07800080,
|
||||
.lccr3 = 0x04400007,
|
||||
.pxafb_backlight_power = lpd270_backlight_power,
|
||||
};
|
||||
|
||||
/* 6.4" TFT VGA (LoLo display number 5) */
|
||||
static struct pxafb_mach_info sharp_lq64d343 __initdata = {
|
||||
.pixclock = 20000,
|
||||
.xres = 640,
|
||||
.yres = 480,
|
||||
.bpp = 16,
|
||||
.hsync_len = 49,
|
||||
.left_margin = 0x89,
|
||||
.right_margin = 0x19,
|
||||
.vsync_len = 18,
|
||||
.upper_margin = 0x22,
|
||||
.lower_margin = 0,
|
||||
.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
|
||||
.lccr0 = 0x07800080,
|
||||
.lccr3 = 0x04400001,
|
||||
.pxafb_backlight_power = lpd270_backlight_power,
|
||||
};
|
||||
|
||||
/* 3.5" TFT QVGA (LoLo display number 8) */
|
||||
static struct pxafb_mach_info sharp_lq035q7db02_20 __initdata = {
|
||||
.pixclock = 100000,
|
||||
.xres = 240,
|
||||
.yres = 320,
|
||||
.bpp = 16,
|
||||
.hsync_len = 0x34,
|
||||
.left_margin = 0x09,
|
||||
.right_margin = 0x09,
|
||||
.vsync_len = 0x08,
|
||||
.upper_margin = 0x05,
|
||||
.lower_margin = 0x14,
|
||||
.sync = 0,
|
||||
.lccr0 = 0x07800080,
|
||||
.lccr3 = 0x04400007,
|
||||
.pxafb_backlight_power = lpd270_backlight_power,
|
||||
};
|
||||
|
||||
static struct platform_device *platform_devices[] __initdata = {
|
||||
&smc91x_device,
|
||||
&lpd270_audio_device,
|
||||
&lpd270_flash_device[0],
|
||||
&lpd270_flash_device[1],
|
||||
};
|
||||
|
||||
static int lpd270_ohci_init(struct device *dev)
|
||||
{
|
||||
/* setup Port1 GPIO pin. */
|
||||
pxa_gpio_mode(88 | GPIO_ALT_FN_1_IN); /* USBHPWR1 */
|
||||
pxa_gpio_mode(89 | GPIO_ALT_FN_2_OUT); /* USBHPEN1 */
|
||||
|
||||
/* Set the Power Control Polarity Low and Power Sense
|
||||
Polarity Low to active low. */
|
||||
UHCHR = (UHCHR | UHCHR_PCPL | UHCHR_PSPL) &
|
||||
~(UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSEP3 | UHCHR_SSE);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct pxaohci_platform_data lpd270_ohci_platform_data = {
|
||||
.port_mode = PMM_PERPORT_MODE,
|
||||
.init = lpd270_ohci_init,
|
||||
};
|
||||
|
||||
static void __init lpd270_init(void)
|
||||
{
|
||||
lpd270_flash_data[0].width = (BOOT_DEF & 1) ? 2 : 4;
|
||||
lpd270_flash_data[1].width = 4;
|
||||
|
||||
/*
|
||||
* System bus arbiter setting:
|
||||
* - Core_Park
|
||||
* - LCD_wt:DMA_wt:CORE_Wt = 2:3:4
|
||||
*/
|
||||
ARB_CNTRL = ARB_CORE_PARK | 0x234;
|
||||
|
||||
/*
|
||||
* On LogicPD PXA270, we route AC97_SYSCLK via GPIO45.
|
||||
*/
|
||||
pxa_gpio_mode(GPIO45_SYSCLK_AC97_MD);
|
||||
|
||||
platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
|
||||
|
||||
// set_pxa_fb_info(&sharp_lq057q3dc02);
|
||||
set_pxa_fb_info(&sharp_lq64d343);
|
||||
// set_pxa_fb_info(&sharp_lq035q7db02_20);
|
||||
|
||||
pxa_set_ohci_info(&lpd270_ohci_platform_data);
|
||||
}
|
||||
|
||||
|
||||
static struct map_desc lpd270_io_desc[] __initdata = {
|
||||
{
|
||||
.virtual = LPD270_CPLD_VIRT,
|
||||
.pfn = __phys_to_pfn(LPD270_CPLD_PHYS),
|
||||
.length = LPD270_CPLD_SIZE,
|
||||
.type = MT_DEVICE,
|
||||
},
|
||||
};
|
||||
|
||||
static void __init lpd270_map_io(void)
|
||||
{
|
||||
pxa_map_io();
|
||||
iotable_init(lpd270_io_desc, ARRAY_SIZE(lpd270_io_desc));
|
||||
|
||||
/* initialize sleep mode regs (wake-up sources, etc) */
|
||||
PGSR0 = 0x00008800;
|
||||
PGSR1 = 0x00000002;
|
||||
PGSR2 = 0x0001FC00;
|
||||
PGSR3 = 0x00001F81;
|
||||
PWER = 0xC0000002;
|
||||
PRER = 0x00000002;
|
||||
PFER = 0x00000002;
|
||||
|
||||
/* for use I SRAM as framebuffer. */
|
||||
PSLR |= 0x00000F04;
|
||||
PCFR = 0x00000066;
|
||||
}
|
||||
|
||||
MACHINE_START(LOGICPD_PXA270, "LogicPD PXA270 Card Engine")
|
||||
/* Maintainer: Peter Barada */
|
||||
.phys_io = 0x40000000,
|
||||
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
|
||||
.boot_params = 0xa0000100,
|
||||
.map_io = lpd270_map_io,
|
||||
.init_irq = lpd270_init_irq,
|
||||
.timer = &pxa_timer,
|
||||
.init_machine = lpd270_init,
|
||||
MACHINE_END
|
@ -467,6 +467,8 @@ struct platform_device akitaioexp_device = {
|
||||
.id = -1,
|
||||
};
|
||||
|
||||
EXPORT_SYMBOL_GPL(akitaioexp_device);
|
||||
|
||||
static void __init akita_init(void)
|
||||
{
|
||||
spitz_ficp_platform_data.transceiver_mode = akita_irda_transceiver_mode;
|
||||
|
@ -111,7 +111,7 @@ config SA1100_LART
|
||||
bool "LART"
|
||||
help
|
||||
Say Y here if you are using the Linux Advanced Radio Terminal
|
||||
(also known as the LART). See <http://www.lart.tudelft.nl/> for
|
||||
(also known as the LART). See <http://www.lartmaker.nl/> for
|
||||
information on the LART.
|
||||
|
||||
config SA1100_PLEB
|
||||
|
@ -11,7 +11,7 @@
|
||||
* linux-2.4.5-rmk1
|
||||
*
|
||||
* This software has been developed while working on the LART
|
||||
* computing board (http://www.lart.tudelft.nl/), which is
|
||||
* computing board (http://www.lartmaker.nl/), which is
|
||||
* sponsored by the Mobile Multi-media Communications
|
||||
* (http://www.mmc.tudelft.nl/) and Ubiquitous Communications
|
||||
* (http://www.ubicom.tudelft.nl/) projects.
|
||||
|
@ -239,6 +239,17 @@ config CPU_XSCALE
|
||||
select CPU_CACHE_VIVT
|
||||
select CPU_TLB_V4WBI
|
||||
|
||||
# XScale Core Version 3
|
||||
config CPU_XSC3
|
||||
bool
|
||||
depends on ARCH_IXP23XX
|
||||
default y
|
||||
select CPU_32v5
|
||||
select CPU_ABRT_EV5T
|
||||
select CPU_CACHE_VIVT
|
||||
select CPU_TLB_V4WBI
|
||||
select IO_36
|
||||
|
||||
# ARMv6
|
||||
config CPU_V6
|
||||
bool "Support ARM V6 processor"
|
||||
@ -361,11 +372,17 @@ config CPU_TLB_V4WBI
|
||||
config CPU_TLB_V6
|
||||
bool
|
||||
|
||||
#
|
||||
# CPU supports 36-bit I/O
|
||||
#
|
||||
config IO_36
|
||||
bool
|
||||
|
||||
comment "Processor Features"
|
||||
|
||||
config ARM_THUMB
|
||||
bool "Support Thumb user binaries"
|
||||
depends on CPU_ARM720T || CPU_ARM920T || CPU_ARM922T || CPU_ARM925T || CPU_ARM926T || CPU_ARM1020 || CPU_ARM1020E || CPU_ARM1022 || CPU_ARM1026 || CPU_XSCALE || CPU_V6
|
||||
depends on CPU_ARM720T || CPU_ARM920T || CPU_ARM922T || CPU_ARM925T || CPU_ARM926T || CPU_ARM1020 || CPU_ARM1020E || CPU_ARM1022 || CPU_ARM1026 || CPU_XSCALE || CPU_XSC3 || CPU_V6
|
||||
default y
|
||||
help
|
||||
Say Y if you want to include kernel support for running user space
|
||||
|
@ -30,6 +30,7 @@ obj-$(CONFIG_CPU_COPY_V4WB) += copypage-v4wb.o
|
||||
obj-$(CONFIG_CPU_COPY_V6) += copypage-v6.o mmu.o
|
||||
obj-$(CONFIG_CPU_SA1100) += copypage-v4mc.o
|
||||
obj-$(CONFIG_CPU_XSCALE) += copypage-xscale.o
|
||||
obj-$(CONFIG_CPU_XSC3) += copypage-xsc3.o
|
||||
|
||||
obj-$(CONFIG_CPU_TLB_V3) += tlb-v3.o
|
||||
obj-$(CONFIG_CPU_TLB_V4WT) += tlb-v4.o
|
||||
@ -51,4 +52,5 @@ obj-$(CONFIG_CPU_ARM1026) += proc-arm1026.o
|
||||
obj-$(CONFIG_CPU_SA110) += proc-sa110.o
|
||||
obj-$(CONFIG_CPU_SA1100) += proc-sa1100.o
|
||||
obj-$(CONFIG_CPU_XSCALE) += proc-xscale.o
|
||||
obj-$(CONFIG_CPU_XSC3) += proc-xsc3.o
|
||||
obj-$(CONFIG_CPU_V6) += proc-v6.o
|
||||
|
97
arch/arm/mm/copypage-xsc3.S
Normal file
97
arch/arm/mm/copypage-xsc3.S
Normal file
@ -0,0 +1,97 @@
|
||||
/*
|
||||
* linux/arch/arm/lib/copypage-xsc3.S
|
||||
*
|
||||
* Copyright (C) 2004 Intel Corp.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 as
|
||||
* published by the Free Software Foundation.
|
||||
*
|
||||
* Adapted for 3rd gen XScale core, no more mini-dcache
|
||||
* Author: Matt Gilbert (matthew.m.gilbert@intel.com)
|
||||
*/
|
||||
|
||||
#include <linux/linkage.h>
|
||||
#include <linux/init.h>
|
||||
#include <asm/asm-offsets.h>
|
||||
|
||||
/*
|
||||
* General note:
|
||||
* We don't really want write-allocate cache behaviour for these functions
|
||||
* since that will just eat through 8K of the cache.
|
||||
*/
|
||||
|
||||
.text
|
||||
.align 5
|
||||
/*
|
||||
* XSC3 optimised copy_user_page
|
||||
* r0 = destination
|
||||
* r1 = source
|
||||
* r2 = virtual user address of ultimate destination page
|
||||
*
|
||||
* The source page may have some clean entries in the cache already, but we
|
||||
* can safely ignore them - break_cow() will flush them out of the cache
|
||||
* if we eventually end up using our copied page.
|
||||
*
|
||||
*/
|
||||
ENTRY(xsc3_mc_copy_user_page)
|
||||
stmfd sp!, {r4, r5, lr}
|
||||
mov lr, #PAGE_SZ/64-1
|
||||
|
||||
pld [r1, #0]
|
||||
pld [r1, #32]
|
||||
1: pld [r1, #64]
|
||||
pld [r1, #96]
|
||||
|
||||
2: ldrd r2, [r1], #8
|
||||
mov ip, r0
|
||||
ldrd r4, [r1], #8
|
||||
mcr p15, 0, ip, c7, c6, 1 @ invalidate
|
||||
strd r2, [r0], #8
|
||||
ldrd r2, [r1], #8
|
||||
strd r4, [r0], #8
|
||||
ldrd r4, [r1], #8
|
||||
strd r2, [r0], #8
|
||||
strd r4, [r0], #8
|
||||
ldrd r2, [r1], #8
|
||||
mov ip, r0
|
||||
ldrd r4, [r1], #8
|
||||
mcr p15, 0, ip, c7, c6, 1 @ invalidate
|
||||
strd r2, [r0], #8
|
||||
ldrd r2, [r1], #8
|
||||
subs lr, lr, #1
|
||||
strd r4, [r0], #8
|
||||
ldrd r4, [r1], #8
|
||||
strd r2, [r0], #8
|
||||
strd r4, [r0], #8
|
||||
bgt 1b
|
||||
beq 2b
|
||||
|
||||
ldmfd sp!, {r4, r5, pc}
|
||||
|
||||
.align 5
|
||||
/*
|
||||
* XScale optimised clear_user_page
|
||||
* r0 = destination
|
||||
* r1 = virtual user address of ultimate destination page
|
||||
*/
|
||||
ENTRY(xsc3_mc_clear_user_page)
|
||||
mov r1, #PAGE_SZ/32
|
||||
mov r2, #0
|
||||
mov r3, #0
|
||||
1: mcr p15, 0, r0, c7, c6, 1 @ invalidate line
|
||||
strd r2, [r0], #8
|
||||
strd r2, [r0], #8
|
||||
strd r2, [r0], #8
|
||||
strd r2, [r0], #8
|
||||
subs r1, r1, #1
|
||||
bne 1b
|
||||
mov pc, lr
|
||||
|
||||
__INITDATA
|
||||
|
||||
.type xsc3_mc_user_fns, #object
|
||||
ENTRY(xsc3_mc_user_fns)
|
||||
.long xsc3_mc_clear_user_page
|
||||
.long xsc3_mc_copy_user_page
|
||||
.size xsc3_mc_user_fns, . - xsc3_mc_user_fns
|
@ -557,7 +557,8 @@ void __init create_mapping(struct map_desc *md)
|
||||
* supersections are only allocated for domain 0 regardless
|
||||
* of the actual domain assignments in use.
|
||||
*/
|
||||
if (cpu_architecture() >= CPU_ARCH_ARMv6 && domain == 0) {
|
||||
if ((cpu_architecture() >= CPU_ARCH_ARMv6 || cpu_is_xsc3())
|
||||
&& domain == 0) {
|
||||
/*
|
||||
* Align to supersection boundary if !high pages.
|
||||
* High pages have already been checked for proper
|
||||
|
@ -21,6 +21,14 @@
|
||||
|
||||
#define D_CACHE_LINE_SIZE 32
|
||||
|
||||
#define TTB_C (1 << 0)
|
||||
#define TTB_S (1 << 1)
|
||||
#define TTB_IMP (1 << 2)
|
||||
#define TTB_RGN_NC (0 << 3)
|
||||
#define TTB_RGN_WBWA (1 << 3)
|
||||
#define TTB_RGN_WT (2 << 3)
|
||||
#define TTB_RGN_WB (3 << 3)
|
||||
|
||||
.macro cpsie, flags
|
||||
.ifc \flags, f
|
||||
.long 0xf1080040
|
||||
@ -115,7 +123,7 @@ ENTRY(cpu_v6_switch_mm)
|
||||
mov r2, #0
|
||||
ldr r1, [r1, #MM_CONTEXT_ID] @ get mm->context.id
|
||||
#ifdef CONFIG_SMP
|
||||
orr r0, r0, #2 @ set shared pgtable
|
||||
orr r0, r0, #TTB_RGN_WBWA|TTB_S @ mark PTWs shared, outer cacheable
|
||||
#endif
|
||||
mcr p15, 0, r2, c7, c5, 6 @ flush BTAC/BTB
|
||||
mcr p15, 0, r2, c7, c10, 4 @ drain write buffer
|
||||
@ -161,8 +169,8 @@ ENTRY(cpu_v6_set_pte)
|
||||
tst r1, #L_PTE_YOUNG
|
||||
biceq r2, r2, #PTE_EXT_APX | PTE_EXT_AP_MASK
|
||||
|
||||
@ tst r1, #L_PTE_EXEC
|
||||
@ orreq r2, r2, #PTE_EXT_XN
|
||||
tst r1, #L_PTE_EXEC
|
||||
orreq r2, r2, #PTE_EXT_XN
|
||||
|
||||
tst r1, #L_PTE_PRESENT
|
||||
moveq r2, #0
|
||||
@ -221,7 +229,7 @@ __v6_setup:
|
||||
mcr p15, 0, r0, c8, c7, 0 @ invalidate I + D TLBs
|
||||
mcr p15, 0, r0, c2, c0, 2 @ TTB control register
|
||||
#ifdef CONFIG_SMP
|
||||
orr r4, r4, #2 @ set shared pgtable
|
||||
orr r4, r4, #TTB_RGN_WBWA|TTB_S @ mark PTWs shared, outer cacheable
|
||||
#endif
|
||||
mcr p15, 0, r4, c2, c0, 1 @ load TTB1
|
||||
#ifdef CONFIG_VFP
|
||||
|
498
arch/arm/mm/proc-xsc3.S
Normal file
498
arch/arm/mm/proc-xsc3.S
Normal file
@ -0,0 +1,498 @@
|
||||
/*
|
||||
* linux/arch/arm/mm/proc-xsc3.S
|
||||
*
|
||||
* Original Author: Matthew Gilbert
|
||||
* Current Maintainer: Deepak Saxena <dsaxena@plexity.net>
|
||||
*
|
||||
* Copyright 2004 (C) Intel Corp.
|
||||
* Copyright 2005 (c) MontaVista Software, Inc.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 as
|
||||
* published by the Free Software Foundation.
|
||||
*
|
||||
* MMU functions for the Intel XScale3 Core (XSC3). The XSC3 core is an
|
||||
* extension to Intel's original XScale core that adds the following
|
||||
* features:
|
||||
*
|
||||
* - ARMv6 Supersections
|
||||
* - Low Locality Reference pages (replaces mini-cache)
|
||||
* - 36-bit addressing
|
||||
* - L2 cache
|
||||
* - Cache-coherency if chipset supports it
|
||||
*
|
||||
* Based on orignal XScale code by Nicolas Pitre
|
||||
*/
|
||||
|
||||
#include <linux/linkage.h>
|
||||
#include <linux/init.h>
|
||||
#include <asm/assembler.h>
|
||||
#include <asm/procinfo.h>
|
||||
#include <asm/hardware.h>
|
||||
#include <asm/pgtable.h>
|
||||
#include <asm/page.h>
|
||||
#include <asm/ptrace.h>
|
||||
#include "proc-macros.S"
|
||||
|
||||
/*
|
||||
* This is the maximum size of an area which will be flushed. If the
|
||||
* area is larger than this, then we flush the whole cache.
|
||||
*/
|
||||
#define MAX_AREA_SIZE 32768
|
||||
|
||||
/*
|
||||
* The cache line size of the I and D cache.
|
||||
*/
|
||||
#define CACHELINESIZE 32
|
||||
|
||||
/*
|
||||
* The size of the data cache.
|
||||
*/
|
||||
#define CACHESIZE 32768
|
||||
|
||||
/*
|
||||
* Run with L2 enabled.
|
||||
*/
|
||||
#define L2_CACHE_ENABLE 1
|
||||
|
||||
/*
|
||||
* Enable the Branch Target Buffer (can cause crashes, see erratum #42.)
|
||||
*/
|
||||
#define BTB_ENABLE 0
|
||||
|
||||
/*
|
||||
* This macro is used to wait for a CP15 write and is needed
|
||||
* when we have to ensure that the last operation to the co-pro
|
||||
* was completed before continuing with operation.
|
||||
*/
|
||||
.macro cpwait_ret, lr, rd
|
||||
mrc p15, 0, \rd, c2, c0, 0 @ arbitrary read of cp15
|
||||
sub pc, \lr, \rd, LSR #32 @ wait for completion and
|
||||
@ flush instruction pipeline
|
||||
.endm
|
||||
|
||||
/*
|
||||
* This macro cleans & invalidates the entire xsc3 dcache by set & way.
|
||||
*/
|
||||
|
||||
.macro clean_d_cache rd, rs
|
||||
mov \rd, #0x1f00
|
||||
orr \rd, \rd, #0x00e0
|
||||
1: mcr p15, 0, \rd, c7, c14, 2 @ clean/inv set/way
|
||||
adds \rd, \rd, #0x40000000
|
||||
bcc 1b
|
||||
subs \rd, \rd, #0x20
|
||||
bpl 1b
|
||||
.endm
|
||||
|
||||
.text
|
||||
|
||||
/*
|
||||
* cpu_xsc3_proc_init()
|
||||
*
|
||||
* Nothing too exciting at the moment
|
||||
*/
|
||||
ENTRY(cpu_xsc3_proc_init)
|
||||
mov pc, lr
|
||||
|
||||
/*
|
||||
* cpu_xsc3_proc_fin()
|
||||
*/
|
||||
ENTRY(cpu_xsc3_proc_fin)
|
||||
str lr, [sp, #-4]!
|
||||
mov r0, #PSR_F_BIT|PSR_I_BIT|SVC_MODE
|
||||
msr cpsr_c, r0
|
||||
bl xsc3_flush_kern_cache_all @ clean caches
|
||||
mrc p15, 0, r0, c1, c0, 0 @ ctrl register
|
||||
bic r0, r0, #0x1800 @ ...IZ...........
|
||||
bic r0, r0, #0x0006 @ .............CA.
|
||||
mcr p15, 0, r0, c1, c0, 0 @ disable caches
|
||||
ldr pc, [sp], #4
|
||||
|
||||
/*
|
||||
* cpu_xsc3_reset(loc)
|
||||
*
|
||||
* Perform a soft reset of the system. Put the CPU into the
|
||||
* same state as it would be if it had been reset, and branch
|
||||
* to what would be the reset vector.
|
||||
*
|
||||
* loc: location to jump to for soft reset
|
||||
*/
|
||||
.align 5
|
||||
ENTRY(cpu_xsc3_reset)
|
||||
mov r1, #PSR_F_BIT|PSR_I_BIT|SVC_MODE
|
||||
msr cpsr_c, r1 @ reset CPSR
|
||||
mrc p15, 0, r1, c1, c0, 0 @ ctrl register
|
||||
bic r1, r1, #0x0086 @ ........B....CA.
|
||||
bic r1, r1, #0x3900 @ ..VIZ..S........
|
||||
mcr p15, 0, r1, c1, c0, 0 @ ctrl register
|
||||
mcr p15, 0, ip, c7, c7, 0 @ invalidate I,D caches & BTB
|
||||
bic r1, r1, #0x0001 @ ...............M
|
||||
mcr p15, 0, r1, c1, c0, 0 @ ctrl register
|
||||
@ CAUTION: MMU turned off from this point. We count on the pipeline
|
||||
@ already containing those two last instructions to survive.
|
||||
mcr p15, 0, ip, c8, c7, 0 @ invalidate I & D TLBs
|
||||
mov pc, r0
|
||||
|
||||
/*
|
||||
* cpu_xsc3_do_idle()
|
||||
*
|
||||
* Cause the processor to idle
|
||||
*
|
||||
* For now we do nothing but go to idle mode for every case
|
||||
*
|
||||
* XScale supports clock switching, but using idle mode support
|
||||
* allows external hardware to react to system state changes.
|
||||
|
||||
MMG: Come back to this one.
|
||||
*/
|
||||
.align 5
|
||||
|
||||
ENTRY(cpu_xsc3_do_idle)
|
||||
mov r0, #1
|
||||
mcr p14, 0, r0, c7, c0, 0 @ Go to IDLE
|
||||
mov pc, lr
|
||||
|
||||
/* ================================= CACHE ================================ */
|
||||
|
||||
/*
|
||||
* flush_user_cache_all()
|
||||
*
|
||||
* Invalidate all cache entries in a particular address
|
||||
* space.
|
||||
*/
|
||||
ENTRY(xsc3_flush_user_cache_all)
|
||||
/* FALLTHROUGH */
|
||||
|
||||
/*
|
||||
* flush_kern_cache_all()
|
||||
*
|
||||
* Clean and invalidate the entire cache.
|
||||
*/
|
||||
ENTRY(xsc3_flush_kern_cache_all)
|
||||
mov r2, #VM_EXEC
|
||||
mov ip, #0
|
||||
__flush_whole_cache:
|
||||
clean_d_cache r0, r1
|
||||
tst r2, #VM_EXEC
|
||||
mcrne p15, 0, ip, c7, c5, 0 @ Invalidate I cache & BTB
|
||||
mcrne p15, 0, ip, c7, c10, 4 @ Drain Write Buffer
|
||||
mcrne p15, 0, ip, c7, c5, 4 @ Prefetch Flush
|
||||
mov pc, lr
|
||||
|
||||
/*
|
||||
* flush_user_cache_range(start, end, vm_flags)
|
||||
*
|
||||
* Invalidate a range of cache entries in the specified
|
||||
* address space.
|
||||
*
|
||||
* - start - start address (may not be aligned)
|
||||
* - end - end address (exclusive, may not be aligned)
|
||||
* - vma - vma_area_struct describing address space
|
||||
*/
|
||||
.align 5
|
||||
ENTRY(xsc3_flush_user_cache_range)
|
||||
mov ip, #0
|
||||
sub r3, r1, r0 @ calculate total size
|
||||
cmp r3, #MAX_AREA_SIZE
|
||||
bhs __flush_whole_cache
|
||||
|
||||
1: tst r2, #VM_EXEC
|
||||
mcrne p15, 0, r0, c7, c5, 1 @ Invalidate I cache line
|
||||
mcr p15, 0, r0, c7, c14, 1 @ Clean/invalidate D cache line
|
||||
add r0, r0, #CACHELINESIZE
|
||||
cmp r0, r1
|
||||
blo 1b
|
||||
tst r2, #VM_EXEC
|
||||
mcrne p15, 0, ip, c7, c5, 6 @ Invalidate BTB
|
||||
mcrne p15, 0, ip, c7, c10, 4 @ Drain Write Buffer
|
||||
mcrne p15, 0, ip, c7, c5, 4 @ Prefetch Flush
|
||||
mov pc, lr
|
||||
|
||||
/*
|
||||
* coherent_kern_range(start, end)
|
||||
*
|
||||
* Ensure coherency between the Icache and the Dcache in the
|
||||
* region described by start. If you have non-snooping
|
||||
* Harvard caches, you need to implement this function.
|
||||
*
|
||||
* - start - virtual start address
|
||||
* - end - virtual end address
|
||||
*
|
||||
* Note: single I-cache line invalidation isn't used here since
|
||||
* it also trashes the mini I-cache used by JTAG debuggers.
|
||||
*/
|
||||
ENTRY(xsc3_coherent_kern_range)
|
||||
/* FALLTHROUGH */
|
||||
ENTRY(xsc3_coherent_user_range)
|
||||
bic r0, r0, #CACHELINESIZE - 1
|
||||
1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry
|
||||
add r0, r0, #CACHELINESIZE
|
||||
cmp r0, r1
|
||||
blo 1b
|
||||
mov r0, #0
|
||||
mcr p15, 0, r0, c7, c5, 0 @ Invalidate I cache & BTB
|
||||
mcr p15, 0, r0, c7, c10, 4 @ Drain Write Buffer
|
||||
mcr p15, 0, r0, c7, c5, 4 @ Prefetch Flush
|
||||
mov pc, lr
|
||||
|
||||
/*
|
||||
* flush_kern_dcache_page(void *page)
|
||||
*
|
||||
* Ensure no D cache aliasing occurs, either with itself or
|
||||
* the I cache
|
||||
*
|
||||
* - addr - page aligned address
|
||||
*/
|
||||
ENTRY(xsc3_flush_kern_dcache_page)
|
||||
add r1, r0, #PAGE_SZ
|
||||
1: mcr p15, 0, r0, c7, c14, 1 @ Clean/Invalidate D Cache line
|
||||
add r0, r0, #CACHELINESIZE
|
||||
cmp r0, r1
|
||||
blo 1b
|
||||
mov r0, #0
|
||||
mcr p15, 0, r0, c7, c5, 0 @ Invalidate I cache & BTB
|
||||
mcr p15, 0, r0, c7, c10, 4 @ Drain Write Buffer
|
||||
mcr p15, 0, r0, c7, c5, 4 @ Prefetch Flush
|
||||
mov pc, lr
|
||||
|
||||
/*
|
||||
* dma_inv_range(start, end)
|
||||
*
|
||||
* Invalidate (discard) the specified virtual address range.
|
||||
* May not write back any entries. If 'start' or 'end'
|
||||
* are not cache line aligned, those lines must be written
|
||||
* back.
|
||||
*
|
||||
* - start - virtual start address
|
||||
* - end - virtual end address
|
||||
*/
|
||||
ENTRY(xsc3_dma_inv_range)
|
||||
tst r0, #CACHELINESIZE - 1
|
||||
bic r0, r0, #CACHELINESIZE - 1
|
||||
mcrne p15, 0, r0, c7, c10, 1 @ clean L1 D entry
|
||||
mcrne p15, 1, r0, c7, c11, 1 @ clean L2 D entry
|
||||
tst r1, #CACHELINESIZE - 1
|
||||
mcrne p15, 0, r1, c7, c10, 1 @ clean L1 D entry
|
||||
mcrne p15, 1, r1, c7, c11, 1 @ clean L2 D entry
|
||||
1: mcr p15, 0, r0, c7, c6, 1 @ invalidate L1 D entry
|
||||
mcr p15, 1, r0, c7, c7, 1 @ Invalidate L2 D cache line
|
||||
add r0, r0, #CACHELINESIZE
|
||||
cmp r0, r1
|
||||
blo 1b
|
||||
mcr p15, 0, r0, c7, c10, 4 @ Drain Write Buffer
|
||||
mov pc, lr
|
||||
|
||||
/*
|
||||
* dma_clean_range(start, end)
|
||||
*
|
||||
* Clean the specified virtual address range.
|
||||
*
|
||||
* - start - virtual start address
|
||||
* - end - virtual end address
|
||||
*/
|
||||
ENTRY(xsc3_dma_clean_range)
|
||||
bic r0, r0, #CACHELINESIZE - 1
|
||||
1: mcr p15, 0, r0, c7, c10, 1 @ clean L1 D entry
|
||||
mcr p15, 1, r0, c7, c11, 1 @ clean L2 D entry
|
||||
add r0, r0, #CACHELINESIZE
|
||||
cmp r0, r1
|
||||
blo 1b
|
||||
mcr p15, 0, r0, c7, c10, 4 @ Drain Write Buffer
|
||||
mov pc, lr
|
||||
|
||||
/*
|
||||
* dma_flush_range(start, end)
|
||||
*
|
||||
* Clean and invalidate the specified virtual address range.
|
||||
*
|
||||
* - start - virtual start address
|
||||
* - end - virtual end address
|
||||
*/
|
||||
ENTRY(xsc3_dma_flush_range)
|
||||
bic r0, r0, #CACHELINESIZE - 1
|
||||
1: mcr p15, 0, r0, c7, c14, 1 @ Clean/invalidate L1 D cache line
|
||||
mcr p15, 1, r0, c7, c11, 1 @ Clean L2 D cache line
|
||||
mcr p15, 1, r0, c7, c7, 1 @ Invalidate L2 D cache line
|
||||
add r0, r0, #CACHELINESIZE
|
||||
cmp r0, r1
|
||||
blo 1b
|
||||
mcr p15, 0, r0, c7, c10, 4 @ Drain Write Buffer
|
||||
mov pc, lr
|
||||
|
||||
ENTRY(xsc3_cache_fns)
|
||||
.long xsc3_flush_kern_cache_all
|
||||
.long xsc3_flush_user_cache_all
|
||||
.long xsc3_flush_user_cache_range
|
||||
.long xsc3_coherent_kern_range
|
||||
.long xsc3_coherent_user_range
|
||||
.long xsc3_flush_kern_dcache_page
|
||||
.long xsc3_dma_inv_range
|
||||
.long xsc3_dma_clean_range
|
||||
.long xsc3_dma_flush_range
|
||||
|
||||
ENTRY(cpu_xsc3_dcache_clean_area)
|
||||
1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry
|
||||
add r0, r0, #CACHELINESIZE
|
||||
subs r1, r1, #CACHELINESIZE
|
||||
bhi 1b
|
||||
mov pc, lr
|
||||
|
||||
/* =============================== PageTable ============================== */
|
||||
|
||||
/*
|
||||
* cpu_xsc3_switch_mm(pgd)
|
||||
*
|
||||
* Set the translation base pointer to be as described by pgd.
|
||||
*
|
||||
* pgd: new page tables
|
||||
*/
|
||||
.align 5
|
||||
ENTRY(cpu_xsc3_switch_mm)
|
||||
clean_d_cache r1, r2
|
||||
mcr p15, 0, ip, c7, c5, 0 @ Invalidate I cache & BTB
|
||||
mcr p15, 0, ip, c7, c10, 4 @ Drain Write Buffer
|
||||
mcr p15, 0, ip, c7, c5, 4 @ Prefetch Flush
|
||||
#ifdef L2_CACHE_ENABLE
|
||||
orr r0, r0, #0x18 @ cache the page table in L2
|
||||
#endif
|
||||
mcr p15, 0, r0, c2, c0, 0 @ load page table pointer
|
||||
mcr p15, 0, ip, c8, c7, 0 @ invalidate I & D TLBs
|
||||
cpwait_ret lr, ip
|
||||
|
||||
/*
|
||||
* cpu_xsc3_set_pte(ptep, pte)
|
||||
*
|
||||
* Set a PTE and flush it out
|
||||
*
|
||||
*/
|
||||
.align 5
|
||||
ENTRY(cpu_xsc3_set_pte)
|
||||
str r1, [r0], #-2048 @ linux version
|
||||
|
||||
bic r2, r1, #0xff0
|
||||
orr r2, r2, #PTE_TYPE_EXT @ extended page
|
||||
|
||||
eor r3, r1, #L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_WRITE | L_PTE_DIRTY
|
||||
|
||||
tst r3, #L_PTE_USER @ User?
|
||||
orrne r2, r2, #PTE_EXT_AP_URO_SRW @ yes -> user r/o, system r/w
|
||||
|
||||
tst r3, #L_PTE_WRITE | L_PTE_DIRTY @ Write and Dirty?
|
||||
orreq r2, r2, #PTE_EXT_AP_UNO_SRW @ yes -> user n/a, system r/w
|
||||
@ combined with user -> user r/w
|
||||
|
||||
#if L2_CACHE_ENABLE
|
||||
@ If its cacheable it needs to be in L2 also.
|
||||
eor ip, r1, #L_PTE_CACHEABLE
|
||||
tst ip, #L_PTE_CACHEABLE
|
||||
orreq r2, r2, #PTE_EXT_TEX(0x5)
|
||||
#endif
|
||||
|
||||
tst r3, #L_PTE_PRESENT | L_PTE_YOUNG @ Present and Young?
|
||||
movne r2, #0 @ no -> fault
|
||||
|
||||
str r2, [r0] @ hardware version
|
||||
mov ip, #0
|
||||
mcr p15, 0, r0, c7, c10, 1 @ Clean D cache line mcr
|
||||
mcr p15, 0, ip, c7, c10, 4 @ Drain Write Buffer
|
||||
mov pc, lr
|
||||
|
||||
.ltorg
|
||||
|
||||
.align
|
||||
|
||||
__INIT
|
||||
|
||||
.type __xsc3_setup, #function
|
||||
__xsc3_setup:
|
||||
mov r0, #PSR_F_BIT|PSR_I_BIT|SVC_MODE
|
||||
msr cpsr_c, r0
|
||||
mcr p15, 0, ip, c7, c7, 0 @ invalidate I, D caches & BTB
|
||||
mcr p15, 0, ip, c7, c10, 4 @ Drain Write Buffer
|
||||
mcr p15, 0, ip, c7, c5, 4 @ Prefetch Flush
|
||||
mcr p15, 0, ip, c8, c7, 0 @ invalidate I, D TLBs
|
||||
#if L2_CACHE_ENABLE
|
||||
orr r4, r4, #0x18 @ cache the page table in L2
|
||||
#endif
|
||||
mcr p15, 0, r4, c2, c0, 0 @ load page table pointer
|
||||
mov r0, #1 @ Allow access to CP0 and CP13
|
||||
orr r0, r0, #1 << 13 @ Its undefined whether this
|
||||
mcr p15, 0, r0, c15, c1, 0 @ affects USR or SVC modes
|
||||
mrc p15, 0, r0, c1, c0, 1 @ get auxiliary control reg
|
||||
and r0, r0, #2 @ preserve bit P bit setting
|
||||
#if L2_CACHE_ENABLE
|
||||
orr r0, r0, #(1 << 10) @ enable L2 for LLR cache
|
||||
#endif
|
||||
mcr p15, 0, r0, c1, c0, 1 @ set auxiliary control reg
|
||||
mrc p15, 0, r0, c1, c0, 0 @ get control register
|
||||
bic r0, r0, #0x0200 @ .... ..R. .... ....
|
||||
bic r0, r0, #0x0002 @ .... .... .... ..A.
|
||||
orr r0, r0, #0x0005 @ .... .... .... .C.M
|
||||
#if BTB_ENABLE
|
||||
orr r0, r0, #0x3900 @ ..VI Z..S .... ....
|
||||
#else
|
||||
orr r0, r0, #0x3100 @ ..VI ...S .... ....
|
||||
#endif
|
||||
#if L2_CACHE_ENABLE
|
||||
orr r0, r0, #0x4000000 @ L2 enable
|
||||
#endif
|
||||
mov pc, lr
|
||||
|
||||
.size __xsc3_setup, . - __xsc3_setup
|
||||
|
||||
__INITDATA
|
||||
|
||||
/*
|
||||
* Purpose : Function pointers used to access above functions - all calls
|
||||
* come through these
|
||||
*/
|
||||
|
||||
.type xsc3_processor_functions, #object
|
||||
ENTRY(xsc3_processor_functions)
|
||||
.word v5t_early_abort
|
||||
.word cpu_xsc3_proc_init
|
||||
.word cpu_xsc3_proc_fin
|
||||
.word cpu_xsc3_reset
|
||||
.word cpu_xsc3_do_idle
|
||||
.word cpu_xsc3_dcache_clean_area
|
||||
.word cpu_xsc3_switch_mm
|
||||
.word cpu_xsc3_set_pte
|
||||
.size xsc3_processor_functions, . - xsc3_processor_functions
|
||||
|
||||
.section ".rodata"
|
||||
|
||||
.type cpu_arch_name, #object
|
||||
cpu_arch_name:
|
||||
.asciz "armv5te"
|
||||
.size cpu_arch_name, . - cpu_arch_name
|
||||
|
||||
.type cpu_elf_name, #object
|
||||
cpu_elf_name:
|
||||
.asciz "v5"
|
||||
.size cpu_elf_name, . - cpu_elf_name
|
||||
|
||||
.type cpu_xsc3_name, #object
|
||||
cpu_xsc3_name:
|
||||
.asciz "XScale-Core3"
|
||||
.size cpu_xsc3_name, . - cpu_xsc3_name
|
||||
|
||||
.align
|
||||
|
||||
.section ".proc.info.init", #alloc, #execinstr
|
||||
|
||||
.type __xsc3_proc_info,#object
|
||||
__xsc3_proc_info:
|
||||
.long 0x69056000
|
||||
.long 0xffffe000
|
||||
.long 0x00000c0e
|
||||
b __xsc3_setup
|
||||
.long cpu_arch_name
|
||||
.long cpu_elf_name
|
||||
.long HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP
|
||||
.long cpu_xsc3_name
|
||||
.long xsc3_processor_functions
|
||||
.long v4wbi_tlb_fns
|
||||
.long xsc3_mc_user_fns
|
||||
.long xsc3_cache_fns
|
||||
.size __xsc3_proc_info, . - __xsc3_proc_info
|
@ -15,7 +15,7 @@
|
||||
|
||||
#define UART(x) (*(volatile unsigned long *)(serial_port + (x)))
|
||||
|
||||
static void putstr( const char *s )
|
||||
static void putc(int c)
|
||||
{
|
||||
unsigned long serial_port;
|
||||
do {
|
||||
@ -28,17 +28,16 @@ static void putstr( const char *s )
|
||||
return;
|
||||
} while (0);
|
||||
|
||||
for (; *s; s++) {
|
||||
/* wait for space in the UART's transmitter */
|
||||
while ((UART(UART_SR) & UART_SR_TxFF));
|
||||
/* send the character out. */
|
||||
UART(UART_DR) = *s;
|
||||
/* if a LF, also do CR... */
|
||||
if (*s == 10) {
|
||||
while ((UART(UART_SR) & UART_SR_TxFF));
|
||||
UART(UART_DR) = 13;
|
||||
}
|
||||
}
|
||||
/* wait for space in the UART's transmitter */
|
||||
while ((UART(UART_SR) & UART_SR_TxFF))
|
||||
barrier();
|
||||
|
||||
/* send the character out. */
|
||||
UART(UART_DR) = c;
|
||||
}
|
||||
|
||||
static inline void flush(void)
|
||||
{
|
||||
}
|
||||
|
||||
#define arch_decomp_setup()
|
||||
|
@ -31,21 +31,22 @@
|
||||
*
|
||||
* This does not append a newline
|
||||
*/
|
||||
static void putstr(const char *s)
|
||||
static void putc(int c)
|
||||
{
|
||||
void __iomem *sys = (void __iomem *) AT91_BASE_SYS; /* physical address */
|
||||
|
||||
while (!(__raw_readl(sys + AT91_DBGU_SR) & AT91_DBGU_TXRDY))
|
||||
barrier();
|
||||
__raw_writel(c, sys + AT91_DBGU_THR);
|
||||
}
|
||||
|
||||
static inline void flush(void)
|
||||
{
|
||||
void __iomem *sys = (void __iomem *) AT91_BASE_SYS; /* physical address */
|
||||
|
||||
while (*s) {
|
||||
while (!(__raw_readl(sys + AT91_DBGU_SR) & AT91_DBGU_TXRDY)) { barrier(); }
|
||||
__raw_writel(*s, sys + AT91_DBGU_THR);
|
||||
if (*s == '\n') {
|
||||
while (!(__raw_readl(sys + AT91_DBGU_SR) & AT91_DBGU_TXRDY)) { barrier(); }
|
||||
__raw_writel('\r', sys + AT91_DBGU_THR);
|
||||
}
|
||||
s++;
|
||||
}
|
||||
/* wait for transmission to complete */
|
||||
while (!(__raw_readl(sys + AT91_DBGU_SR) & AT91_DBGU_TXEMPTY)) { barrier(); }
|
||||
while (!(__raw_readl(sys + AT91_DBGU_SR) & AT91_DBGU_TXEMPTY))
|
||||
barrier();
|
||||
}
|
||||
|
||||
#define arch_decomp_setup()
|
||||
|
@ -3,27 +3,19 @@
|
||||
*
|
||||
* Copyright (C) 1999, 2000 Nexus Electronics Ltd.
|
||||
*/
|
||||
|
||||
#define BASE 0x03010000
|
||||
#define SERBASE (BASE + (0x2f8 << 2))
|
||||
|
||||
static __inline__ void putc(char c)
|
||||
static inline void putc(char c)
|
||||
{
|
||||
while (!(*((volatile unsigned int *)(SERBASE + 0x14)) & 0x20));
|
||||
while (!(*((volatile unsigned int *)(SERBASE + 0x14)) & 0x20))
|
||||
barrier();
|
||||
|
||||
*((volatile unsigned int *)(SERBASE)) = c;
|
||||
}
|
||||
|
||||
/*
|
||||
* This does not append a newline
|
||||
*/
|
||||
static void putstr(const char *s)
|
||||
static inline void flush(void)
|
||||
{
|
||||
while (*s) {
|
||||
putc(*s);
|
||||
if (*s == '\n')
|
||||
putc('\r');
|
||||
s++;
|
||||
}
|
||||
}
|
||||
|
||||
static __inline__ void arch_decomp_setup(void)
|
||||
|
@ -25,7 +25,6 @@
|
||||
#undef CLPS7111_BASE
|
||||
#define CLPS7111_BASE CLPS7111_PHYS_BASE
|
||||
|
||||
#define barrier() __asm__ __volatile__("": : :"memory")
|
||||
#define __raw_readl(p) (*(unsigned long *)(p))
|
||||
#define __raw_writel(v,p) (*(unsigned long *)(p) = (v))
|
||||
|
||||
@ -40,21 +39,15 @@
|
||||
/*
|
||||
* This does not append a newline
|
||||
*/
|
||||
static void putstr(const char *s)
|
||||
static inline void putc(int c)
|
||||
{
|
||||
char c;
|
||||
while (clps_readl(SYSFLGx) & SYSFLG_UTXFF)
|
||||
barrier();
|
||||
clps_writel(c, UARTDRx);
|
||||
}
|
||||
|
||||
while ((c = *s++) != '\0') {
|
||||
while (clps_readl(SYSFLGx) & SYSFLG_UTXFF)
|
||||
barrier();
|
||||
clps_writel(c, UARTDRx);
|
||||
|
||||
if (c == '\n') {
|
||||
while (clps_readl(SYSFLGx) & SYSFLG_UTXFF)
|
||||
barrier();
|
||||
clps_writel('\r', UARTDRx);
|
||||
}
|
||||
}
|
||||
static inline void flush(void)
|
||||
{
|
||||
while (clps_readl(SYSFLGx) & SYSFLG_UBUSY)
|
||||
barrier();
|
||||
}
|
||||
|
@ -8,33 +8,34 @@
|
||||
* published by the Free Software Foundation.
|
||||
*/
|
||||
|
||||
#include <linux/serial_reg.h>
|
||||
|
||||
#define SERIAL_BASE ((unsigned char *)0xfe000be0)
|
||||
|
||||
/*
|
||||
* This does not append a newline
|
||||
*/
|
||||
static void putstr(const char *s)
|
||||
static inline void putc(int c)
|
||||
{
|
||||
unsigned long tmp1, tmp2;
|
||||
__asm__ __volatile__(
|
||||
"ldrb %0, [%2], #1\n"
|
||||
" teq %0, #0\n"
|
||||
" beq 3f\n"
|
||||
"1: strb %0, [%3]\n"
|
||||
"2: ldrb %1, [%3, #0x14]\n"
|
||||
" and %1, %1, #0x60\n"
|
||||
" teq %1, #0x60\n"
|
||||
" bne 2b\n"
|
||||
" teq %0, #'\n'\n"
|
||||
" moveq %0, #'\r'\n"
|
||||
" beq 1b\n"
|
||||
" ldrb %0, [%2], #1\n"
|
||||
" teq %0, #0\n"
|
||||
" bne 1b\n"
|
||||
"3: ldrb %1, [%3, #0x14]\n"
|
||||
" and %1, %1, #0x60\n"
|
||||
" teq %1, #0x60\n"
|
||||
" bne 3b"
|
||||
: "=&r" (tmp1), "=&r" (tmp2)
|
||||
: "r" (s), "r" (0xf0000be0) : "cc");
|
||||
unsigned char v, *base = SERIAL_BASE;
|
||||
|
||||
do {
|
||||
v = base[UART_LSR << 2];
|
||||
barrier();
|
||||
} while (!(v & UART_LSR_THRE));
|
||||
|
||||
base[UART_TX << 2] = c;
|
||||
}
|
||||
|
||||
static inline void flush(void)
|
||||
{
|
||||
unsigned char v, *base = SERIAL_BASE;
|
||||
|
||||
do {
|
||||
v = base[UART_LSR << 2];
|
||||
barrier();
|
||||
} while ((v & (UART_LSR_TEMT|UART_LSR_THRE)) !=
|
||||
(UART_LSR_TEMT|UART_LSR_THRE));
|
||||
}
|
||||
|
||||
/*
|
||||
|
@ -15,10 +15,11 @@
|
||||
#define DC21285_BASE ((volatile unsigned int *)0x42000160)
|
||||
#define SER0_BASE ((volatile unsigned char *)0x7c0003f8)
|
||||
|
||||
static __inline__ void putc(char c)
|
||||
static inline void putc(char c)
|
||||
{
|
||||
if (machine_is_netwinder()) {
|
||||
while ((SER0_BASE[5] & 0x60) != 0x60);
|
||||
while ((SER0_BASE[5] & 0x60) != 0x60)
|
||||
barrier();
|
||||
SER0_BASE[0] = c;
|
||||
} else {
|
||||
while (DC21285_BASE[6] & 8);
|
||||
@ -26,17 +27,8 @@ static __inline__ void putc(char c)
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* This does not append a newline
|
||||
*/
|
||||
static void putstr(const char *s)
|
||||
static inline void flush(void)
|
||||
{
|
||||
while (*s) {
|
||||
putc(*s);
|
||||
if (*s == '\n')
|
||||
putc('\r');
|
||||
s++;
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
|
@ -16,17 +16,27 @@ static unsigned char __raw_readb(unsigned int ptr)
|
||||
return *((volatile unsigned char *)ptr);
|
||||
}
|
||||
|
||||
static unsigned int __raw_readl(unsigned int ptr)
|
||||
{
|
||||
return *((volatile unsigned int *)ptr);
|
||||
}
|
||||
|
||||
static void __raw_writeb(unsigned char value, unsigned int ptr)
|
||||
{
|
||||
*((volatile unsigned char *)ptr) = value;
|
||||
}
|
||||
|
||||
static void __raw_writel(unsigned int value, unsigned int ptr)
|
||||
{
|
||||
*((volatile unsigned int *)ptr) = value;
|
||||
}
|
||||
|
||||
|
||||
#define PHYS_UART1_DATA 0x808c0000
|
||||
#define PHYS_UART1_FLAG 0x808c0018
|
||||
#define UART1_FLAG_TXFF 0x20
|
||||
|
||||
static __inline__ void putc(char c)
|
||||
static inline void putc(int c)
|
||||
{
|
||||
int i;
|
||||
|
||||
@ -39,15 +49,37 @@ static __inline__ void putc(char c)
|
||||
__raw_writeb(c, PHYS_UART1_DATA);
|
||||
}
|
||||
|
||||
static void putstr(const char *s)
|
||||
static inline void flush(void)
|
||||
{
|
||||
while (*s) {
|
||||
putc(*s);
|
||||
if (*s == '\n')
|
||||
putc('\r');
|
||||
s++;
|
||||
}
|
||||
}
|
||||
|
||||
#define arch_decomp_setup()
|
||||
|
||||
/*
|
||||
* Some bootloaders don't turn off DMA from the ethernet MAC before
|
||||
* jumping to linux, which means that we might end up with bits of RX
|
||||
* status and packet data scribbled over the uncompressed kernel image.
|
||||
* Work around this by resetting the ethernet MAC before we uncompress.
|
||||
*/
|
||||
#define PHYS_ETH_SELF_CTL 0x80010020
|
||||
#define ETH_SELF_CTL_RESET 0x00000001
|
||||
|
||||
static void ethernet_reset(void)
|
||||
{
|
||||
unsigned int v;
|
||||
|
||||
/* Reset the ethernet MAC. */
|
||||
v = __raw_readl(PHYS_ETH_SELF_CTL);
|
||||
__raw_writel(v | ETH_SELF_CTL_RESET, PHYS_ETH_SELF_CTL);
|
||||
|
||||
/* Wait for reset to finish. */
|
||||
while (__raw_readl(PHYS_ETH_SELF_CTL) & ETH_SELF_CTL_RESET)
|
||||
;
|
||||
}
|
||||
|
||||
|
||||
static void arch_decomp_setup(void)
|
||||
{
|
||||
ethernet_reset();
|
||||
}
|
||||
|
||||
#define arch_decomp_wdog()
|
||||
|
@ -12,22 +12,20 @@
|
||||
#define LSR 0x14
|
||||
#define TEMPTY 0x40
|
||||
|
||||
static void putstr(const char *s)
|
||||
static inline void putc(int c)
|
||||
{
|
||||
char c;
|
||||
volatile unsigned char *p = (volatile unsigned char *)(IO_PHYS+0x20000);
|
||||
|
||||
while ( (c = *s++) != '\0') {
|
||||
/* wait until transmit buffer is empty */
|
||||
while((p[LSR] & TEMPTY) == 0x0);
|
||||
/* write next character */
|
||||
*p = c;
|
||||
/* wait until transmit buffer is empty */
|
||||
while((p[LSR] & TEMPTY) == 0x0)
|
||||
barrier();
|
||||
|
||||
if(c == '\n') {
|
||||
while((p[LSR] & TEMPTY) == 0x0);
|
||||
*p = '\r';
|
||||
}
|
||||
}
|
||||
/* write next character */
|
||||
*p = c;
|
||||
}
|
||||
|
||||
static inline void flush(void)
|
||||
{
|
||||
}
|
||||
|
||||
/*
|
||||
|
@ -39,8 +39,7 @@
|
||||
*
|
||||
* This does not append a newline
|
||||
*/
|
||||
static void
|
||||
putstr(const char *s)
|
||||
static void putc(int c)
|
||||
{
|
||||
unsigned long serial_port;
|
||||
|
||||
@ -54,20 +53,14 @@ putstr(const char *s)
|
||||
return;
|
||||
} while(0);
|
||||
|
||||
while (*s) {
|
||||
while ( !(UART(USR2) & USR2_TXFE) )
|
||||
barrier();
|
||||
while (!(UART(USR2) & USR2_TXFE))
|
||||
barrier();
|
||||
|
||||
UART(TXR) = *s;
|
||||
UART(TXR) = c;
|
||||
}
|
||||
|
||||
if (*s == '\n') {
|
||||
while ( !(UART(USR2) & USR2_TXFE) )
|
||||
barrier();
|
||||
|
||||
UART(TXR) = '\r';
|
||||
}
|
||||
s++;
|
||||
}
|
||||
static inline void flush(void)
|
||||
{
|
||||
}
|
||||
|
||||
/*
|
||||
|
@ -28,21 +28,18 @@
|
||||
/*
|
||||
* This does not append a newline
|
||||
*/
|
||||
static void putstr(const char *s)
|
||||
static void putc(int c)
|
||||
{
|
||||
while (*s) {
|
||||
while (AMBA_UART_FR & (1 << 5));
|
||||
while (AMBA_UART_FR & (1 << 5))
|
||||
barrier();
|
||||
|
||||
AMBA_UART_DR = *s;
|
||||
AMBA_UART_DR = c;
|
||||
}
|
||||
|
||||
if (*s == '\n') {
|
||||
while (AMBA_UART_FR & (1 << 5));
|
||||
|
||||
AMBA_UART_DR = '\r';
|
||||
}
|
||||
s++;
|
||||
}
|
||||
while (AMBA_UART_FR & (1 << 3));
|
||||
static inline void flush(void)
|
||||
{
|
||||
while (AMBA_UART_FR & (1 << 3))
|
||||
barrier();
|
||||
}
|
||||
|
||||
/*
|
||||
|
@ -19,23 +19,15 @@ static volatile UTYPE uart_base;
|
||||
|
||||
#define TX_DONE (UART_LSR_TEMT|UART_LSR_THRE)
|
||||
|
||||
static __inline__ void putc(char c)
|
||||
static inline void putc(char c)
|
||||
{
|
||||
while ((uart_base[UART_LSR] & TX_DONE) != TX_DONE);
|
||||
while ((uart_base[UART_LSR] & TX_DONE) != TX_DONE)
|
||||
barrier();
|
||||
*uart_base = c;
|
||||
}
|
||||
|
||||
/*
|
||||
* This does not append a newline
|
||||
*/
|
||||
static void putstr(const char *s)
|
||||
static inline void flush(void)
|
||||
{
|
||||
while (*s) {
|
||||
putc(*s);
|
||||
if (*s == '\n')
|
||||
putc('\r');
|
||||
s++;
|
||||
}
|
||||
}
|
||||
|
||||
static __inline__ void __arch_decomp_setup(unsigned long arch_id)
|
||||
|
@ -29,23 +29,18 @@
|
||||
#define UARTSR PHYS(0x14) /* Status reg */
|
||||
|
||||
|
||||
static __inline__ void putc(char c)
|
||||
static inline void putc(int c)
|
||||
{
|
||||
int j = 0x1000;
|
||||
|
||||
while (--j && !(*UARTSR & UART_LSR_THRE));
|
||||
while (--j && !(*UARTSR & UART_LSR_THRE))
|
||||
barrier();
|
||||
|
||||
*UARTDR = c;
|
||||
}
|
||||
|
||||
static void putstr(const char *s)
|
||||
static inline void flush(void)
|
||||
{
|
||||
while (*s)
|
||||
{
|
||||
putc(*s);
|
||||
if (*s == '\n')
|
||||
putc('\r');
|
||||
s++;
|
||||
}
|
||||
}
|
||||
|
||||
#define arch_decomp_setup()
|
||||
|
23
include/asm-arm/arch-ixp23xx/debug-macro.S
Normal file
23
include/asm-arm/arch-ixp23xx/debug-macro.S
Normal file
@ -0,0 +1,23 @@
|
||||
/*
|
||||
* include/asm-arm/arch-ixp23xx/debug-macro.S
|
||||
*
|
||||
* Debugging macro include header
|
||||
*
|
||||
* Copyright (C) 1994-1999 Russell King
|
||||
* Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 as
|
||||
* published by the Free Software Foundation.
|
||||
*/
|
||||
#include <asm/arch/ixp23xx.h>
|
||||
|
||||
.macro addruart,rx
|
||||
mrc p15, 0, \rx, c1, c0
|
||||
tst \rx, #1 @ mmu enabled?
|
||||
ldreq \rx, =IXP23XX_PERIPHERAL_PHYS @ physical
|
||||
ldrne \rx, =IXP23XX_PERIPHERAL_VIRT @ virtual
|
||||
.endm
|
||||
|
||||
#define UART_SHIFT 2
|
||||
#include <asm/hardware/debug-8250.S>
|
3
include/asm-arm/arch-ixp23xx/dma.h
Normal file
3
include/asm-arm/arch-ixp23xx/dma.h
Normal file
@ -0,0 +1,3 @@
|
||||
/*
|
||||
* include/asm-arm/arch-ixp23xx/dma.h
|
||||
*/
|
31
include/asm-arm/arch-ixp23xx/entry-macro.S
Normal file
31
include/asm-arm/arch-ixp23xx/entry-macro.S
Normal file
@ -0,0 +1,31 @@
|
||||
/*
|
||||
* include/asm-arm/arch-ixp23xx/entry-macro.S
|
||||
*/
|
||||
|
||||
.macro disable_fiq
|
||||
.endm
|
||||
|
||||
.macro get_irqnr_and_base, irqnr, irqstat, base, tmp
|
||||
ldr \irqnr, =(IXP23XX_INTC_VIRT + IXP23XX_INTR_IRQ_ENC_ST_OFFSET)
|
||||
ldr \irqnr, [\irqnr] @ get interrupt number
|
||||
cmp \irqnr, #0x0 @ suprious interrupt ?
|
||||
movne \irqnr, \irqnr, lsr #2 @ skip unwanted low order bits
|
||||
subne \irqnr, \irqnr, #1 @ convert to 0 based
|
||||
|
||||
#if 0
|
||||
cmp \irqnr, #IRQ_IXP23XX_PCI_INT_RPH
|
||||
bne 1001f
|
||||
mov \irqnr, #IRQ_IXP23XX_INTA
|
||||
|
||||
ldr \irqnr, =0xf5000030
|
||||
|
||||
mov \tmp, #(1<<26)
|
||||
tst \irqnr, \tmp
|
||||
movne \irqnr, #IRQ_IXP23XX_INTB
|
||||
|
||||
mov \tmp, #(1<<27)
|
||||
tst \irqnr, \tmp
|
||||
movne \irqnr, #IRQ_IXP23XX_INTA
|
||||
1001:
|
||||
#endif
|
||||
.endm
|
37
include/asm-arm/arch-ixp23xx/hardware.h
Normal file
37
include/asm-arm/arch-ixp23xx/hardware.h
Normal file
@ -0,0 +1,37 @@
|
||||
/*
|
||||
* include/asm-arm/arch-ixp23xx/hardware.h
|
||||
*
|
||||
* Copyright (C) 2002-2004 Intel Corporation.
|
||||
* Copyricht (C) 2005 MontaVista Software, Inc.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 as
|
||||
* published by the Free Software Foundation.
|
||||
*
|
||||
* Hardware definitions for IXP23XX based systems
|
||||
*/
|
||||
|
||||
#ifndef __ASM_ARCH_HARDWARE_H
|
||||
#define __ASM_ARCH_HARDWARE_H
|
||||
|
||||
/* PCI IO info */
|
||||
#define PCIO_BASE IXP23XX_PCI_IO_VIRT
|
||||
#define PCIBIOS_MIN_IO 0x00000000
|
||||
#define PCIBIOS_MIN_MEM 0xe0000000
|
||||
|
||||
#include "ixp23xx.h"
|
||||
|
||||
#define pcibios_assign_all_busses() 0
|
||||
|
||||
/*
|
||||
* Platform helper functions
|
||||
*/
|
||||
#include "platform.h"
|
||||
|
||||
/*
|
||||
* Platform-specific headers
|
||||
*/
|
||||
#include "ixdp2351.h"
|
||||
|
||||
|
||||
#endif
|
54
include/asm-arm/arch-ixp23xx/io.h
Normal file
54
include/asm-arm/arch-ixp23xx/io.h
Normal file
@ -0,0 +1,54 @@
|
||||
/*
|
||||
* include/asm-arm/arch-ixp23xx/io.h
|
||||
*
|
||||
* Original Author: Naeem M Afzal <naeem.m.afzal@intel.com>
|
||||
* Maintainer: Deepak Saxena <dsaxena@plexity.net>
|
||||
*
|
||||
* Copyright (C) 2003-2005 Intel Corp.
|
||||
* Copyright (C) 2005 MontaVista Software, Inc
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 as
|
||||
* published by the Free Software Foundation.
|
||||
*/
|
||||
|
||||
#ifndef __ASM_ARCH_IO_H
|
||||
#define __ASM_ARCH_IO_H
|
||||
|
||||
#define IO_SPACE_LIMIT 0xffffffff
|
||||
|
||||
#define __io(p) ((void __iomem*)((p) + IXP23XX_PCI_IO_VIRT))
|
||||
#define __mem_pci(a) (a)
|
||||
|
||||
#include <linux/kernel.h> /* For BUG */
|
||||
|
||||
static inline void __iomem *
|
||||
ixp23xx_ioremap(unsigned long addr, unsigned long size, unsigned long flags)
|
||||
{
|
||||
if (addr >= IXP23XX_PCI_MEM_START &&
|
||||
addr <= IXP23XX_PCI_MEM_START + IXP23XX_PCI_MEM_SIZE) {
|
||||
if (addr + size > IXP23XX_PCI_MEM_START + IXP23XX_PCI_MEM_SIZE)
|
||||
return NULL;
|
||||
|
||||
return (void __iomem *)
|
||||
((addr - IXP23XX_PCI_MEM_START) + IXP23XX_PCI_MEM_VIRT);
|
||||
}
|
||||
|
||||
return __ioremap(addr, size, flags);
|
||||
}
|
||||
|
||||
static inline void
|
||||
ixp23xx_iounmap(void __iomem *addr)
|
||||
{
|
||||
if ((((u32)addr) >= IXP23XX_PCI_MEM_VIRT) &&
|
||||
(((u32)addr) < IXP23XX_PCI_MEM_VIRT + IXP23XX_PCI_MEM_SIZE))
|
||||
return;
|
||||
|
||||
__iounmap(addr);
|
||||
}
|
||||
|
||||
#define __arch_ioremap(a,s,f) ixp23xx_ioremap(a,s,f)
|
||||
#define __arch_iounmap(a) ixp23xx_iounmap(a)
|
||||
|
||||
|
||||
#endif
|
223
include/asm-arm/arch-ixp23xx/irqs.h
Normal file
223
include/asm-arm/arch-ixp23xx/irqs.h
Normal file
@ -0,0 +1,223 @@
|
||||
/*
|
||||
* include/asm-arm/arch-ixp23xx/irqs.h
|
||||
*
|
||||
* IRQ definitions for IXP23XX based systems
|
||||
*
|
||||
* Author: Naeem Afzal <naeem.m.afzal@intel.com>
|
||||
*
|
||||
* Copyright (C) 2003-2004 Intel Corporation.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 as
|
||||
* published by the Free Software Foundation.
|
||||
*/
|
||||
|
||||
#ifndef __ASM_ARCH_IRQS_H
|
||||
#define __ASM_ARCH_IRQS_H
|
||||
|
||||
#define NR_IXP23XX_IRQS IRQ_IXP23XX_INTB+1
|
||||
#define IRQ_IXP23XX_EXTIRQS NR_IXP23XX_IRQS
|
||||
|
||||
|
||||
#define IRQ_IXP23XX_DBG0 0 /* Debug/Execution/MBox */
|
||||
#define IRQ_IXP23XX_DBG1 1 /* Debug/Execution/MBox */
|
||||
#define IRQ_IXP23XX_NPE_TRG 2 /* npe_trigger */
|
||||
#define IRQ_IXP23XX_TIMER1 3 /* Timer[0] */
|
||||
#define IRQ_IXP23XX_TIMER2 4 /* Timer[1] */
|
||||
#define IRQ_IXP23XX_TIMESTAMP 5 /* Timer[2], Time-stamp */
|
||||
#define IRQ_IXP23XX_WDOG 6 /* Time[3], Watchdog Timer */
|
||||
#define IRQ_IXP23XX_PCI_DBELL 7 /* PCI Doorbell */
|
||||
#define IRQ_IXP23XX_PCI_DMA1 8 /* PCI DMA Channel 1 */
|
||||
#define IRQ_IXP23XX_PCI_DMA2 9 /* PCI DMA Channel 2 */
|
||||
#define IRQ_IXP23XX_PCI_DMA3 10 /* PCI DMA Channel 3 */
|
||||
#define IRQ_IXP23XX_PCI_INT_RPH 11 /* pcxg_pci_int_rph */
|
||||
#define IRQ_IXP23XX_CPP_PMU 12 /* xpxg_pm_int_rpl */
|
||||
#define IRQ_IXP23XX_SWINT0 13 /* S/W Interrupt0 */
|
||||
#define IRQ_IXP23XX_SWINT1 14 /* S/W Interrupt1 */
|
||||
#define IRQ_IXP23XX_UART2 15 /* UART1 Interrupt */
|
||||
#define IRQ_IXP23XX_UART1 16 /* UART0 Interrupt */
|
||||
#define IRQ_IXP23XX_XSI_PMU_ROLLOVER 17 /* AHB Performance M. Unit counter rollover */
|
||||
#define IRQ_IXP23XX_XSI_AHB_PM0 18 /* intr_pm_o */
|
||||
#define IRQ_IXP23XX_XSI_AHB_ECE0 19 /* intr_ece_o */
|
||||
#define IRQ_IXP23XX_XSI_AHB_GASKET 20 /* gas_intr_o */
|
||||
#define IRQ_IXP23XX_XSI_CPP 21 /* xsi2cpp_int */
|
||||
#define IRQ_IXP23XX_CPP_XSI 22 /* cpp2xsi_int */
|
||||
#define IRQ_IXP23XX_ME_ATTN0 23 /* ME_ATTN */
|
||||
#define IRQ_IXP23XX_ME_ATTN1 24 /* ME_ATTN */
|
||||
#define IRQ_IXP23XX_ME_ATTN2 25 /* ME_ATTN */
|
||||
#define IRQ_IXP23XX_ME_ATTN3 26 /* ME_ATTN */
|
||||
#define IRQ_IXP23XX_PCI_ERR_RPH 27 /* PCXG_PCI_ERR_RPH */
|
||||
#define IRQ_IXP23XX_D0XG_ECC_CORR 28 /* D0XG_DRAM_ECC_CORR */
|
||||
#define IRQ_IXP23XX_D0XG_ECC_UNCORR 29 /* D0XG_DRAM_ECC_UNCORR */
|
||||
#define IRQ_IXP23XX_SRAM_ERR1 30 /* SRAM1_ERR */
|
||||
#define IRQ_IXP23XX_SRAM_ERR0 31 /* SRAM0_ERR */
|
||||
#define IRQ_IXP23XX_MEDIA_ERR 32 /* MEDIA_ERR */
|
||||
#define IRQ_IXP23XX_STH_DRAM_ECC_MAJ 33 /* STH_DRAM0_ECC_MAJ */
|
||||
#define IRQ_IXP23XX_GPIO6 34 /* GPIO0 interrupts */
|
||||
#define IRQ_IXP23XX_GPIO7 35 /* GPIO1 interrupts */
|
||||
#define IRQ_IXP23XX_GPIO8 36 /* GPIO2 interrupts */
|
||||
#define IRQ_IXP23XX_GPIO9 37 /* GPIO3 interrupts */
|
||||
#define IRQ_IXP23XX_GPIO10 38 /* GPIO4 interrupts */
|
||||
#define IRQ_IXP23XX_GPIO11 39 /* GPIO5 interrupts */
|
||||
#define IRQ_IXP23XX_GPIO12 40 /* GPIO6 interrupts */
|
||||
#define IRQ_IXP23XX_GPIO13 41 /* GPIO7 interrupts */
|
||||
#define IRQ_IXP23XX_GPIO14 42 /* GPIO8 interrupts */
|
||||
#define IRQ_IXP23XX_GPIO15 43 /* GPIO9 interrupts */
|
||||
#define IRQ_IXP23XX_SHAC_RING0 44 /* SHAC Ring Full */
|
||||
#define IRQ_IXP23XX_SHAC_RING1 45 /* SHAC Ring Full */
|
||||
#define IRQ_IXP23XX_SHAC_RING2 46 /* SHAC Ring Full */
|
||||
#define IRQ_IXP23XX_SHAC_RING3 47 /* SHAC Ring Full */
|
||||
#define IRQ_IXP23XX_SHAC_RING4 48 /* SHAC Ring Full */
|
||||
#define IRQ_IXP23XX_SHAC_RING5 49 /* SHAC Ring Full */
|
||||
#define IRQ_IXP23XX_SHAC_RING6 50 /* SHAC RING Full */
|
||||
#define IRQ_IXP23XX_SHAC_RING7 51 /* SHAC Ring Full */
|
||||
#define IRQ_IXP23XX_SHAC_RING8 52 /* SHAC Ring Full */
|
||||
#define IRQ_IXP23XX_SHAC_RING9 53 /* SHAC Ring Full */
|
||||
#define IRQ_IXP23XX_SHAC_RING10 54 /* SHAC Ring Full */
|
||||
#define IRQ_IXP23XX_SHAC_RING11 55 /* SHAC Ring Full */
|
||||
#define IRQ_IXP23XX_ME_THREAD_A0_ME0 56 /* ME_THREAD_A */
|
||||
#define IRQ_IXP23XX_ME_THREAD_A1_ME0 57 /* ME_THREAD_A */
|
||||
#define IRQ_IXP23XX_ME_THREAD_A2_ME0 58 /* ME_THREAD_A */
|
||||
#define IRQ_IXP23XX_ME_THREAD_A3_ME0 59 /* ME_THREAD_A */
|
||||
#define IRQ_IXP23XX_ME_THREAD_A4_ME0 60 /* ME_THREAD_A */
|
||||
#define IRQ_IXP23XX_ME_THREAD_A5_ME0 61 /* ME_THREAD_A */
|
||||
#define IRQ_IXP23XX_ME_THREAD_A6_ME0 62 /* ME_THREAD_A */
|
||||
#define IRQ_IXP23XX_ME_THREAD_A7_ME0 63 /* ME_THREAD_A */
|
||||
#define IRQ_IXP23XX_ME_THREAD_A8_ME1 64 /* ME_THREAD_A */
|
||||
#define IRQ_IXP23XX_ME_THREAD_A9_ME1 65 /* ME_THREAD_A */
|
||||
#define IRQ_IXP23XX_ME_THREAD_A10_ME1 66 /* ME_THREAD_A */
|
||||
#define IRQ_IXP23XX_ME_THREAD_A11_ME1 67 /* ME_THREAD_A */
|
||||
#define IRQ_IXP23XX_ME_THREAD_A12_ME1 68 /* ME_THREAD_A */
|
||||
#define IRQ_IXP23XX_ME_THREAD_A13_ME1 69 /* ME_THREAD_A */
|
||||
#define IRQ_IXP23XX_ME_THREAD_A14_ME1 70 /* ME_THREAD_A */
|
||||
#define IRQ_IXP23XX_ME_THREAD_A15_ME1 71 /* ME_THREAD_A */
|
||||
#define IRQ_IXP23XX_ME_THREAD_A16_ME2 72 /* ME_THREAD_A */
|
||||
#define IRQ_IXP23XX_ME_THREAD_A17_ME2 73 /* ME_THREAD_A */
|
||||
#define IRQ_IXP23XX_ME_THREAD_A18_ME2 74 /* ME_THREAD_A */
|
||||
#define IRQ_IXP23XX_ME_THREAD_A19_ME2 75 /* ME_THREAD_A */
|
||||
#define IRQ_IXP23XX_ME_THREAD_A20_ME2 76 /* ME_THREAD_A */
|
||||
#define IRQ_IXP23XX_ME_THREAD_A21_ME2 77 /* ME_THREAD_A */
|
||||
#define IRQ_IXP23XX_ME_THREAD_A22_ME2 78 /* ME_THREAD_A */
|
||||
#define IRQ_IXP23XX_ME_THREAD_A23_ME2 79 /* ME_THREAD_A */
|
||||
#define IRQ_IXP23XX_ME_THREAD_A24_ME3 80 /* ME_THREAD_A */
|
||||
#define IRQ_IXP23XX_ME_THREAD_A25_ME3 81 /* ME_THREAD_A */
|
||||
#define IRQ_IXP23XX_ME_THREAD_A26_ME3 82 /* ME_THREAD_A */
|
||||
#define IRQ_IXP23XX_ME_THREAD_A27_ME3 83 /* ME_THREAD_A */
|
||||
#define IRQ_IXP23XX_ME_THREAD_A28_ME3 84 /* ME_THREAD_A */
|
||||
#define IRQ_IXP23XX_ME_THREAD_A29_ME3 85 /* ME_THREAD_A */
|
||||
#define IRQ_IXP23XX_ME_THREAD_A30_ME3 86 /* ME_THREAD_A */
|
||||
#define IRQ_IXP23XX_ME_THREAD_A31_ME3 87 /* ME_THREAD_A */
|
||||
#define IRQ_IXP23XX_ME_THREAD_B0_ME0 88 /* ME_THREAD_B */
|
||||
#define IRQ_IXP23XX_ME_THREAD_B1_ME0 89 /* ME_THREAD_B */
|
||||
#define IRQ_IXP23XX_ME_THREAD_B2_ME0 90 /* ME_THREAD_B */
|
||||
#define IRQ_IXP23XX_ME_THREAD_B3_ME0 91 /* ME_THREAD_B */
|
||||
#define IRQ_IXP23XX_ME_THREAD_B4_ME0 92 /* ME_THREAD_B */
|
||||
#define IRQ_IXP23XX_ME_THREAD_B5_ME0 93 /* ME_THREAD_B */
|
||||
#define IRQ_IXP23XX_ME_THREAD_B6_ME0 94 /* ME_THREAD_B */
|
||||
#define IRQ_IXP23XX_ME_THREAD_B7_ME0 95 /* ME_THREAD_B */
|
||||
#define IRQ_IXP23XX_ME_THREAD_B8_ME1 96 /* ME_THREAD_B */
|
||||
#define IRQ_IXP23XX_ME_THREAD_B9_ME1 97 /* ME_THREAD_B */
|
||||
#define IRQ_IXP23XX_ME_THREAD_B10_ME1 98 /* ME_THREAD_B */
|
||||
#define IRQ_IXP23XX_ME_THREAD_B11_ME1 99 /* ME_THREAD_B */
|
||||
#define IRQ_IXP23XX_ME_THREAD_B12_ME1 100 /* ME_THREAD_B */
|
||||
#define IRQ_IXP23XX_ME_THREAD_B13_ME1 101 /* ME_THREAD_B */
|
||||
#define IRQ_IXP23XX_ME_THREAD_B14_ME1 102 /* ME_THREAD_B */
|
||||
#define IRQ_IXP23XX_ME_THREAD_B15_ME1 103 /* ME_THREAD_B */
|
||||
#define IRQ_IXP23XX_ME_THREAD_B16_ME2 104 /* ME_THREAD_B */
|
||||
#define IRQ_IXP23XX_ME_THREAD_B17_ME2 105 /* ME_THREAD_B */
|
||||
#define IRQ_IXP23XX_ME_THREAD_B18_ME2 106 /* ME_THREAD_B */
|
||||
#define IRQ_IXP23XX_ME_THREAD_B19_ME2 107 /* ME_THREAD_B */
|
||||
#define IRQ_IXP23XX_ME_THREAD_B20_ME2 108 /* ME_THREAD_B */
|
||||
#define IRQ_IXP23XX_ME_THREAD_B21_ME2 109 /* ME_THREAD_B */
|
||||
#define IRQ_IXP23XX_ME_THREAD_B22_ME2 110 /* ME_THREAD_B */
|
||||
#define IRQ_IXP23XX_ME_THREAD_B23_ME2 111 /* ME_THREAD_B */
|
||||
#define IRQ_IXP23XX_ME_THREAD_B24_ME3 112 /* ME_THREAD_B */
|
||||
#define IRQ_IXP23XX_ME_THREAD_B25_ME3 113 /* ME_THREAD_B */
|
||||
#define IRQ_IXP23XX_ME_THREAD_B26_ME3 114 /* ME_THREAD_B */
|
||||
#define IRQ_IXP23XX_ME_THREAD_B27_ME3 115 /* ME_THREAD_B */
|
||||
#define IRQ_IXP23XX_ME_THREAD_B28_ME3 116 /* ME_THREAD_B */
|
||||
#define IRQ_IXP23XX_ME_THREAD_B29_ME3 117 /* ME_THREAD_B */
|
||||
#define IRQ_IXP23XX_ME_THREAD_B30_ME3 118 /* ME_THREAD_B */
|
||||
#define IRQ_IXP23XX_ME_THREAD_B31_ME3 119 /* ME_THREAD_B */
|
||||
|
||||
#define NUM_IXP23XX_RAW_IRQS 120
|
||||
|
||||
#define IRQ_IXP23XX_INTA 120 /* Indirect pcxg_pci_int_rph */
|
||||
#define IRQ_IXP23XX_INTB 121 /* Indirect pcxg_pci_int_rph */
|
||||
|
||||
#define NR_IXP23XX_IRQ (IRQ_IXP23XX_INTB + 1)
|
||||
|
||||
/*
|
||||
* We default to 32 per-board IRQs. Increase this number if you need
|
||||
* more, but keep it realistic.
|
||||
*/
|
||||
#define NR_IXP23XX_MACH_IRQS 32
|
||||
|
||||
#define NR_IRQS NR_IXP23XX_IRQS + NR_IXP23XX_MACH_IRQS
|
||||
|
||||
#define IXP23XX_MACH_IRQ(irq) (NR_IXP23XX_IRQ + (irq))
|
||||
|
||||
|
||||
/*
|
||||
* IXDP2351-specific interrupts
|
||||
*/
|
||||
|
||||
/*
|
||||
* External PCI interrupts signaled through INTB
|
||||
*
|
||||
*/
|
||||
#define IXDP2351_INTB_IRQ_BASE 0
|
||||
#define IRQ_IXDP2351_INTA_82546 IXP23XX_MACH_IRQ(0)
|
||||
#define IRQ_IXDP2351_INTB_82546 IXP23XX_MACH_IRQ(1)
|
||||
#define IRQ_IXDP2351_SPCI_DB_0 IXP23XX_MACH_IRQ(2)
|
||||
#define IRQ_IXDP2351_SPCI_DB_1 IXP23XX_MACH_IRQ(3)
|
||||
#define IRQ_IXDP2351_SPCI_PMC_INTA IXP23XX_MACH_IRQ(4)
|
||||
#define IRQ_IXDP2351_SPCI_PMC_INTB IXP23XX_MACH_IRQ(5)
|
||||
#define IRQ_IXDP2351_SPCI_PMC_INTC IXP23XX_MACH_IRQ(6)
|
||||
#define IRQ_IXDP2351_SPCI_PMC_INTD IXP23XX_MACH_IRQ(7)
|
||||
#define IRQ_IXDP2351_SPCI_FIC IXP23XX_MACH_IRQ(8)
|
||||
|
||||
#define IXDP2351_INTB_IRQ_BIT(irq) (irq - IXP23XX_MACH_IRQ(0))
|
||||
#define IXDP2351_INTB_IRQ_MASK(irq) (1 << IXDP2351_INTB_IRQ_BIT(irq))
|
||||
#define IXDP2351_INTB_IRQ_VALID 0x01FF
|
||||
#define IXDP2351_INTB_IRQ_NUM 16
|
||||
|
||||
/*
|
||||
* Other external interrupts signaled through INTA
|
||||
*/
|
||||
#define IXDP2351_INTA_IRQ_BASE 16
|
||||
#define IRQ_IXDP2351_IPMI_FROM IXP23XX_MACH_IRQ(16)
|
||||
#define IRQ_IXDP2351_125US IXP23XX_MACH_IRQ(17)
|
||||
#define IRQ_IXDP2351_DB_0_ADD IXP23XX_MACH_IRQ(18)
|
||||
#define IRQ_IXDP2351_DB_1_ADD IXP23XX_MACH_IRQ(19)
|
||||
#define IRQ_IXDP2351_DEBUG1 IXP23XX_MACH_IRQ(20)
|
||||
#define IRQ_IXDP2351_ADD_UART IXP23XX_MACH_IRQ(21)
|
||||
#define IRQ_IXDP2351_FIC_ADD IXP23XX_MACH_IRQ(24)
|
||||
#define IRQ_IXDP2351_CS8900 IXP23XX_MACH_IRQ(25)
|
||||
#define IRQ_IXDP2351_BBSRAM IXP23XX_MACH_IRQ(26)
|
||||
#define IRQ_IXDP2351_CONFIG_MEDIA IXP23XX_MACH_IRQ(27)
|
||||
#define IRQ_IXDP2351_CLOCK_REF IXP23XX_MACH_IRQ(28)
|
||||
#define IRQ_IXDP2351_A10_NP IXP23XX_MACH_IRQ(29)
|
||||
#define IRQ_IXDP2351_A11_NP IXP23XX_MACH_IRQ(30)
|
||||
#define IRQ_IXDP2351_DEBUG_NP IXP23XX_MACH_IRQ(31)
|
||||
|
||||
#define IXDP2351_INTA_IRQ_BIT(irq) (irq - IXP23XX_MACH_IRQ(16))
|
||||
#define IXDP2351_INTA_IRQ_MASK(irq) (1 << IXDP2351_INTA_IRQ_BIT(irq))
|
||||
#define IXDP2351_INTA_IRQ_VALID 0xFF3F
|
||||
#define IXDP2351_INTA_IRQ_NUM 16
|
||||
|
||||
|
||||
/*
|
||||
* ADI RoadRunner IRQs
|
||||
*/
|
||||
#define IRQ_ROADRUNNER_PCI_INTA IRQ_IXP23XX_INTA
|
||||
#define IRQ_ROADRUNNER_PCI_INTB IRQ_IXP23XX_INTB
|
||||
#define IRQ_ROADRUNNER_PCI_INTC IRQ_IXP23XX_GPIO11
|
||||
#define IRQ_ROADRUNNER_PCI_INTD IRQ_IXP23XX_GPIO12
|
||||
|
||||
/*
|
||||
* Put new board definitions here
|
||||
*/
|
||||
|
||||
|
||||
#endif
|
89
include/asm-arm/arch-ixp23xx/ixdp2351.h
Normal file
89
include/asm-arm/arch-ixp23xx/ixdp2351.h
Normal file
@ -0,0 +1,89 @@
|
||||
/*
|
||||
* include/asm-arm/arch-ixp23xx/ixdp2351.h
|
||||
*
|
||||
* Register and other defines for IXDP2351
|
||||
*
|
||||
* Copyright (c) 2002-2004 Intel Corp.
|
||||
* Copytight (c) 2005 MontaVista Software, Inc.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms of the GNU General Public License as published by the
|
||||
* Free Software Foundation; either version 2 of the License, or (at your
|
||||
* option) any later version.
|
||||
*/
|
||||
|
||||
#ifndef __ASM_ARCH_IXDP2351_H
|
||||
#define __ASM_ARCH_IXDP2351_H
|
||||
|
||||
/*
|
||||
* NP module memory map
|
||||
*/
|
||||
#define IXDP2351_NP_PHYS_BASE (IXP23XX_EXP_BUS_CS4_BASE)
|
||||
#define IXDP2351_NP_PHYS_SIZE 0x00100000
|
||||
#define IXDP2351_NP_VIRT_BASE 0xeff00000
|
||||
|
||||
#define IXDP2351_VIRT_CS8900_BASE (IXDP2351_NP_VIRT_BASE)
|
||||
#define IXDP2351_VIRT_CS8900_END (IXDP2351_VIRT_CS8900_BASE + 16)
|
||||
|
||||
#define IXDP2351_VIRT_NP_CPLD_BASE (IXP23XX_EXP_BUS_CS4_BASE_VIRT + 0x00010000)
|
||||
|
||||
#define IXDP2351_NP_CPLD_REG(reg) ((volatile u16 *)(IXDP2351_VIRT_NP_CPLD_BASE + reg))
|
||||
|
||||
#define IXDP2351_NP_CPLD_RESET1_REG IXDP2351_NP_CPLD_REG(0x00)
|
||||
#define IXDP2351_NP_CPLD_LED_REG IXDP2351_NP_CPLD_REG(0x02)
|
||||
#define IXDP2351_NP_CPLD_VERSION_REG IXDP2351_NP_CPLD_REG(0x04)
|
||||
|
||||
/*
|
||||
* Base board module memory map
|
||||
*/
|
||||
|
||||
#define IXDP2351_BB_BASE_PHYS (IXP23XX_EXP_BUS_CS5_BASE)
|
||||
#define IXDP2351_BB_SIZE 0x01000000
|
||||
#define IXDP2351_BB_BASE_VIRT (0xee000000)
|
||||
|
||||
#define IXDP2351_BB_AREA_BASE(offset) (IXDP2351_BB_BASE_VIRT + offset)
|
||||
|
||||
#define IXDP2351_VIRT_NVRAM_BASE IXDP2351_BB_AREA_BASE(0x0)
|
||||
#define IXDP2351_NVRAM_SIZE (0x20000)
|
||||
|
||||
#define IXDP2351_VIRT_MB_IXF1104_BASE IXDP3251_BB_AREA_BASE(0x00020000)
|
||||
#define IXDP2351_VIRT_ADD_UART_BASE IXDP2351_BB_AREA_BASE(0x000240C0)
|
||||
#define IXDP2351_VIRT_FIC_BASE IXDP2351_BB_AREA_BASE(0x00200000)
|
||||
#define IXDP2351_VIRT_DB0_BASE IXDP2351_BB_AREA_BASE(0x00400000)
|
||||
#define IXDP2351_VIRT_DB1_BASE IXDP2351_BB_AREA_BASE(0x00600000)
|
||||
#define IXDP2351_VIRT_CPLD_BASE IXDP2351_BB_AREA_BASE(0x00024000)
|
||||
|
||||
/*
|
||||
* On board CPLD registers
|
||||
*/
|
||||
#define IXDP2351_CPLD_BB_REG(reg) ((volatile u16 *)(IXDP2351_VIRT_CPLD_BASE + reg))
|
||||
|
||||
#define IXDP2351_CPLD_RESET0_REG IXDP2351_CPLD_BB_REG(0x00)
|
||||
#define IXDP2351_CPLD_RESET1_REG IXDP2351_CPLD_BB_REG(0x04)
|
||||
|
||||
#define IXDP2351_CPLD_RESET1_MAGIC 0x55AA
|
||||
#define IXDP2351_CPLD_RESET1_ENABLE 0x8000
|
||||
|
||||
#define IXDP2351_CPLD_FPGA_CONFIG_REG IXDP2351_CPLD_BB_REG(0x08)
|
||||
#define IXDP2351_CPLD_INTB_MASK_SET_REG IXDP2351_CPLD_BB_REG(0x10)
|
||||
#define IXDP2351_CPLD_INTA_MASK_SET_REG IXDP2351_CPLD_BB_REG(0x14)
|
||||
#define IXDP2351_CPLD_INTB_STAT_REG IXDP2351_CPLD_BB_REG(0x18)
|
||||
#define IXDP2351_CPLD_INTA_STAT_REG IXDP2351_CPLD_BB_REG(0x1C)
|
||||
#define IXDP2351_CPLD_INTB_RAW_REG IXDP2351_CPLD_BB_REG(0x20) /* read */
|
||||
#define IXDP2351_CPLD_INTA_RAW_REG IXDP2351_CPLD_BB_REG(0x24) /* read */
|
||||
#define IXDP2351_CPLD_INTB_MASK_CLR_REG IXDP2351_CPLD_INTB_RAW_REG /* write */
|
||||
#define IXDP2351_CPLD_INTA_MASK_CLR_REG IXDP2351_CPLD_INTA_RAW_REG /* write */
|
||||
#define IXDP2351_CPLD_INTB_SIM_REG IXDP2351_CPLD_BB_REG(0x28)
|
||||
#define IXDP2351_CPLD_INTA_SIM_REG IXDP2351_CPLD_BB_REG(0x2C)
|
||||
/* Interrupt bits are defined in irqs.h */
|
||||
#define IXDP2351_CPLD_BB_GBE0_REG IXDP2351_CPLD_BB_REG(0x30)
|
||||
#define IXDP2351_CPLD_BB_GBE1_REG IXDP2351_CPLD_BB_REG(0x34)
|
||||
|
||||
/* #define IXDP2351_CPLD_BB_MISC_REG IXDP2351_CPLD_REG(0x1C) */
|
||||
/* #define IXDP2351_CPLD_BB_MISC_REV_MASK 0xFF */
|
||||
/* #define IXDP2351_CPLD_BB_GDXCS0_REG IXDP2351_CPLD_REG(0x24) */
|
||||
/* #define IXDP2351_CPLD_BB_GDXCS1_REG IXDP2351_CPLD_REG(0x28) */
|
||||
/* #define IXDP2351_CPLD_BB_CLOCK_REG IXDP2351_CPLD_REG(0x04) */
|
||||
|
||||
|
||||
#endif
|
306
include/asm-arm/arch-ixp23xx/ixp23xx.h
Normal file
306
include/asm-arm/arch-ixp23xx/ixp23xx.h
Normal file
@ -0,0 +1,306 @@
|
||||
/*
|
||||
* include/asm-arm/arch-ixp23xx/ixp23xx.h
|
||||
*
|
||||
* Register definitions for IXP23XX
|
||||
*
|
||||
* Copyright (C) 2003-2005 Intel Corporation.
|
||||
* Copyright (C) 2005 MontaVista Software, Inc.
|
||||
*
|
||||
* Maintainer: Deepak Saxena <dsaxena@plexity.net>
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 as
|
||||
* published by the Free Software Foundation.
|
||||
*/
|
||||
|
||||
#ifndef __ASM_ARCH_IXP23XX_H
|
||||
#define __ASM_ARCH_IXP23XX_H
|
||||
|
||||
/*
|
||||
* IXP2300 linux memory map:
|
||||
*
|
||||
* virt phys size
|
||||
* fffd0000 a0000000 64K XSI2CPP_CSR
|
||||
* fffc0000 c4000000 4K EXP_CFG
|
||||
* fff00000 c8000000 64K PERIPHERAL
|
||||
* fe000000 1c0000000 16M CAP_CSR
|
||||
* fd000000 1c8000000 16M MSF_CSR
|
||||
* fb000000 16M ---
|
||||
* fa000000 1d8000000 32M PCI_IO
|
||||
* f8000000 1da000000 32M PCI_CFG
|
||||
* f6000000 1de000000 32M PCI_CREG
|
||||
* f4000000 32M ---
|
||||
* f0000000 1e0000000 64M PCI_MEM
|
||||
* e[c-f]000000 per-platform mappings
|
||||
*/
|
||||
|
||||
|
||||
/****************************************************************************
|
||||
* Static mappings.
|
||||
****************************************************************************/
|
||||
#define IXP23XX_XSI2CPP_CSR_PHYS 0xa0000000
|
||||
#define IXP23XX_XSI2CPP_CSR_VIRT 0xfffd0000
|
||||
#define IXP23XX_XSI2CPP_CSR_SIZE 0x00010000
|
||||
|
||||
#define IXP23XX_EXP_CFG_PHYS 0xc4000000
|
||||
#define IXP23XX_EXP_CFG_VIRT 0xfffc0000
|
||||
#define IXP23XX_EXP_CFG_SIZE 0x00001000
|
||||
|
||||
#define IXP23XX_PERIPHERAL_PHYS 0xc8000000
|
||||
#define IXP23XX_PERIPHERAL_VIRT 0xfff00000
|
||||
#define IXP23XX_PERIPHERAL_SIZE 0x00010000
|
||||
|
||||
#define IXP23XX_CAP_CSR_PHYS 0x1c0000000ULL
|
||||
#define IXP23XX_CAP_CSR_VIRT 0xfe000000
|
||||
#define IXP23XX_CAP_CSR_SIZE 0x01000000
|
||||
|
||||
#define IXP23XX_MSF_CSR_PHYS 0x1c8000000ULL
|
||||
#define IXP23XX_MSF_CSR_VIRT 0xfd000000
|
||||
#define IXP23XX_MSF_CSR_SIZE 0x01000000
|
||||
|
||||
#define IXP23XX_PCI_IO_PHYS 0x1d8000000ULL
|
||||
#define IXP23XX_PCI_IO_VIRT 0xfa000000
|
||||
#define IXP23XX_PCI_IO_SIZE 0x02000000
|
||||
|
||||
#define IXP23XX_PCI_CFG_PHYS 0x1da000000ULL
|
||||
#define IXP23XX_PCI_CFG_VIRT 0xf8000000
|
||||
#define IXP23XX_PCI_CFG_SIZE 0x02000000
|
||||
#define IXP23XX_PCI_CFG0_VIRT IXP23XX_PCI_CFG_VIRT
|
||||
#define IXP23XX_PCI_CFG1_VIRT (IXP23XX_PCI_CFG_VIRT + 0x01000000)
|
||||
|
||||
#define IXP23XX_PCI_CREG_PHYS 0x1de000000ULL
|
||||
#define IXP23XX_PCI_CREG_VIRT 0xf6000000
|
||||
#define IXP23XX_PCI_CREG_SIZE 0x02000000
|
||||
#define IXP23XX_PCI_CSR_VIRT (IXP23XX_PCI_CREG_VIRT + 0x01000000)
|
||||
|
||||
#define IXP23XX_PCI_MEM_START 0xe0000000
|
||||
#define IXP23XX_PCI_MEM_PHYS 0x1e0000000ULL
|
||||
#define IXP23XX_PCI_MEM_VIRT 0xf0000000
|
||||
#define IXP23XX_PCI_MEM_SIZE 0x04000000
|
||||
|
||||
|
||||
/****************************************************************************
|
||||
* XSI2CPP CSRs.
|
||||
****************************************************************************/
|
||||
#define IXP23XX_XSI2CPP_REG(x) ((volatile unsigned long *)(IXP23XX_XSI2CPP_CSR_VIRT + (x)))
|
||||
#define IXP23XX_CPP2XSI_CURR_XFER_REG3 IXP23XX_XSI2CPP_REG(0xf8)
|
||||
#define IXP23XX_CPP2XSI_ADDR_31 (1 << 19)
|
||||
#define IXP23XX_CPP2XSI_PSH_OFF (1 << 20)
|
||||
#define IXP23XX_CPP2XSI_COH_OFF (1 << 21)
|
||||
|
||||
|
||||
/****************************************************************************
|
||||
* Expansion Bus Config.
|
||||
****************************************************************************/
|
||||
#define IXP23XX_EXP_CFG_REG(x) ((volatile unsigned long *)(IXP23XX_EXP_CFG_VIRT + (x)))
|
||||
#define IXP23XX_EXP_CS0 IXP23XX_EXP_CFG_REG(0x00)
|
||||
#define IXP23XX_EXP_CS1 IXP23XX_EXP_CFG_REG(0x04)
|
||||
#define IXP23XX_EXP_CS2 IXP23XX_EXP_CFG_REG(0x08)
|
||||
#define IXP23XX_EXP_CS3 IXP23XX_EXP_CFG_REG(0x0c)
|
||||
#define IXP23XX_EXP_CS4 IXP23XX_EXP_CFG_REG(0x10)
|
||||
#define IXP23XX_EXP_CS5 IXP23XX_EXP_CFG_REG(0x14)
|
||||
#define IXP23XX_EXP_CS6 IXP23XX_EXP_CFG_REG(0x18)
|
||||
#define IXP23XX_EXP_CS7 IXP23XX_EXP_CFG_REG(0x1c)
|
||||
#define IXP23XX_FLASH_WRITABLE (0x2)
|
||||
#define IXP23XX_FLASH_BUS8 (0x1)
|
||||
|
||||
#define IXP23XX_EXP_CFG0 IXP23XX_EXP_CFG_REG(0x20)
|
||||
#define IXP23XX_EXP_CFG1 IXP23XX_EXP_CFG_REG(0x24)
|
||||
#define IXP23XX_EXP_CFG0_MEM_MAP (1 << 31)
|
||||
#define IXP23XX_EXP_CFG0_XSCALE_SPEED_SEL (3 << 22)
|
||||
#define IXP23XX_EXP_CFG0_XSCALE_SPEED_EN (1 << 21)
|
||||
#define IXP23XX_EXP_CFG0_CPP_SPEED_SEL (3 << 19)
|
||||
#define IXP23XX_EXP_CFG0_CPP_SPEED_EN (1 << 18)
|
||||
#define IXP23XX_EXP_CFG0_PCI_SWIN (3 << 16)
|
||||
#define IXP23XX_EXP_CFG0_PCI_DWIN (3 << 14)
|
||||
#define IXP23XX_EXP_CFG0_PCI33_MODE (1 << 13)
|
||||
#define IXP23XX_EXP_CFG0_QDR_SPEED_SEL (1 << 12)
|
||||
#define IXP23XX_EXP_CFG0_CPP_DIV_SEL (1 << 5)
|
||||
#define IXP23XX_EXP_CFG0_XSI_NOT_PRES (1 << 4)
|
||||
#define IXP23XX_EXP_CFG0_PROM_BOOT (1 << 3)
|
||||
#define IXP23XX_EXP_CFG0_PCI_ARB (1 << 2)
|
||||
#define IXP23XX_EXP_CFG0_PCI_HOST (1 << 1)
|
||||
#define IXP23XX_EXP_CFG0_FLASH_WIDTH (1 << 0)
|
||||
|
||||
#define IXP23XX_EXP_UNIT_FUSE IXP23XX_EXP_CFG_REG(0x28)
|
||||
#define IXP23XX_EXP_MSF_MUX IXP23XX_EXP_CFG_REG(0x30)
|
||||
|
||||
#define IXP23XX_EXP_BUS_PHYS 0x90000000
|
||||
#define IXP23XX_EXP_BUS_WINDOW_SIZE 0x01000000
|
||||
|
||||
#define IXP23XX_EXP_BUS_CS0_BASE (IXP23XX_EXP_BUS_PHYS + 0x00000000)
|
||||
#define IXP23XX_EXP_BUS_CS1_BASE (IXP23XX_EXP_BUS_PHYS + 0x01000000)
|
||||
#define IXP23XX_EXP_BUS_CS2_BASE (IXP23XX_EXP_BUS_PHYS + 0x02000000)
|
||||
#define IXP23XX_EXP_BUS_CS3_BASE (IXP23XX_EXP_BUS_PHYS + 0x03000000)
|
||||
#define IXP23XX_EXP_BUS_CS4_BASE (IXP23XX_EXP_BUS_PHYS + 0x04000000)
|
||||
#define IXP23XX_EXP_BUS_CS5_BASE (IXP23XX_EXP_BUS_PHYS + 0x05000000)
|
||||
#define IXP23XX_EXP_BUS_CS6_BASE (IXP23XX_EXP_BUS_PHYS + 0x06000000)
|
||||
#define IXP23XX_EXP_BUS_CS7_BASE (IXP23XX_EXP_BUS_PHYS + 0x07000000)
|
||||
|
||||
|
||||
/****************************************************************************
|
||||
* Peripherals.
|
||||
****************************************************************************/
|
||||
#define IXP23XX_UART1_VIRT (IXP23XX_PERIPHERAL_VIRT + 0x0000)
|
||||
#define IXP23XX_UART2_VIRT (IXP23XX_PERIPHERAL_VIRT + 0x1000)
|
||||
#define IXP23XX_PMU_VIRT (IXP23XX_PERIPHERAL_VIRT + 0x2000)
|
||||
#define IXP23XX_INTC_VIRT (IXP23XX_PERIPHERAL_VIRT + 0x3000)
|
||||
#define IXP23XX_GPIO_VIRT (IXP23XX_PERIPHERAL_VIRT + 0x4000)
|
||||
#define IXP23XX_TIMER_VIRT (IXP23XX_PERIPHERAL_VIRT + 0x5000)
|
||||
#define IXP23XX_NPE0_VIRT (IXP23XX_PERIPHERAL_VIRT + 0x6000)
|
||||
#define IXP23XX_DSR_VIRT (IXP23XX_PERIPHERAL_VIRT + 0x7000)
|
||||
#define IXP23XX_NPE1_VIRT (IXP23XX_PERIPHERAL_VIRT + 0x8000)
|
||||
#define IXP23XX_ETH0_VIRT (IXP23XX_PERIPHERAL_VIRT + 0x9000)
|
||||
#define IXP23XX_ETH1_VIRT (IXP23XX_PERIPHERAL_VIRT + 0xA000)
|
||||
#define IXP23XX_GIG0_VIRT (IXP23XX_PERIPHERAL_VIRT + 0xB000)
|
||||
#define IXP23XX_GIG1_VIRT (IXP23XX_PERIPHERAL_VIRT + 0xC000)
|
||||
#define IXP23XX_DDRS_VIRT (IXP23XX_PERIPHERAL_VIRT + 0xD000)
|
||||
|
||||
#define IXP23XX_UART1_PHYS (IXP23XX_PERIPHERAL_PHYS + 0x0000)
|
||||
#define IXP23XX_UART2_PHYS (IXP23XX_PERIPHERAL_PHYS + 0x1000)
|
||||
#define IXP23XX_PMU_PHYS (IXP23XX_PERIPHERAL_PHYS + 0x2000)
|
||||
#define IXP23XX_INTC_PHYS (IXP23XX_PERIPHERAL_PHYS + 0x3000)
|
||||
#define IXP23XX_GPIO_PHYS (IXP23XX_PERIPHERAL_PHYS + 0x4000)
|
||||
#define IXP23XX_TIMER_PHYS (IXP23XX_PERIPHERAL_PHYS + 0x5000)
|
||||
#define IXP23XX_NPE0_PHYS (IXP23XX_PERIPHERAL_PHYS + 0x6000)
|
||||
#define IXP23XX_DSR_PHYS (IXP23XX_PERIPHERAL_PHYS + 0x7000)
|
||||
#define IXP23XX_NPE1_PHYS (IXP23XX_PERIPHERAL_PHYS + 0x8000)
|
||||
#define IXP23XX_ETH0_PHYS (IXP23XX_PERIPHERAL_PHYS + 0x9000)
|
||||
#define IXP23XX_ETH1_PHYS (IXP23XX_PERIPHERAL_PHYS + 0xA000)
|
||||
#define IXP23XX_GIG0_PHYS (IXP23XX_PERIPHERAL_PHYS + 0xB000)
|
||||
#define IXP23XX_GIG1_PHYS (IXP23XX_PERIPHERAL_PHYS + 0xC000)
|
||||
#define IXP23XX_DDRS_PHYS (IXP23XX_PERIPHERAL_PHYS + 0xD000)
|
||||
|
||||
|
||||
/****************************************************************************
|
||||
* Interrupt controller.
|
||||
****************************************************************************/
|
||||
#define IXP23XX_INTC_REG(x) ((volatile unsigned long *)(IXP23XX_INTC_VIRT + (x)))
|
||||
#define IXP23XX_INTR_ST1 IXP23XX_INTC_REG(0x00)
|
||||
#define IXP23XX_INTR_ST2 IXP23XX_INTC_REG(0x04)
|
||||
#define IXP23XX_INTR_ST3 IXP23XX_INTC_REG(0x08)
|
||||
#define IXP23XX_INTR_ST4 IXP23XX_INTC_REG(0x0c)
|
||||
#define IXP23XX_INTR_EN1 IXP23XX_INTC_REG(0x10)
|
||||
#define IXP23XX_INTR_EN2 IXP23XX_INTC_REG(0x14)
|
||||
#define IXP23XX_INTR_EN3 IXP23XX_INTC_REG(0x18)
|
||||
#define IXP23XX_INTR_EN4 IXP23XX_INTC_REG(0x1c)
|
||||
#define IXP23XX_INTR_SEL1 IXP23XX_INTC_REG(0x20)
|
||||
#define IXP23XX_INTR_SEL2 IXP23XX_INTC_REG(0x24)
|
||||
#define IXP23XX_INTR_SEL3 IXP23XX_INTC_REG(0x28)
|
||||
#define IXP23XX_INTR_SEL4 IXP23XX_INTC_REG(0x2c)
|
||||
#define IXP23XX_INTR_IRQ_ST1 IXP23XX_INTC_REG(0x30)
|
||||
#define IXP23XX_INTR_IRQ_ST2 IXP23XX_INTC_REG(0x34)
|
||||
#define IXP23XX_INTR_IRQ_ST3 IXP23XX_INTC_REG(0x38)
|
||||
#define IXP23XX_INTR_IRQ_ST4 IXP23XX_INTC_REG(0x3c)
|
||||
#define IXP23XX_INTR_IRQ_ENC_ST_OFFSET 0x54
|
||||
|
||||
|
||||
/****************************************************************************
|
||||
* GPIO.
|
||||
****************************************************************************/
|
||||
#define IXP23XX_GPIO_REG(x) ((volatile unsigned long *)(IXP23XX_GPIO_VIRT + (x)))
|
||||
#define IXP23XX_GPIO_GPOUTR IXP23XX_GPIO_REG(0x00)
|
||||
#define IXP23XX_GPIO_GPOER IXP23XX_GPIO_REG(0x04)
|
||||
#define IXP23XX_GPIO_GPINR IXP23XX_GPIO_REG(0x08)
|
||||
#define IXP23XX_GPIO_GPISR IXP23XX_GPIO_REG(0x0c)
|
||||
#define IXP23XX_GPIO_GPIT1R IXP23XX_GPIO_REG(0x10)
|
||||
#define IXP23XX_GPIO_GPIT2R IXP23XX_GPIO_REG(0x14)
|
||||
#define IXP23XX_GPIO_GPCLKR IXP23XX_GPIO_REG(0x18)
|
||||
#define IXP23XX_GPIO_GPDBSELR IXP23XX_GPIO_REG(0x1c)
|
||||
|
||||
#define IXP23XX_GPIO_STYLE_MASK 0x7
|
||||
#define IXP23XX_GPIO_STYLE_ACTIVE_HIGH 0x0
|
||||
#define IXP23XX_GPIO_STYLE_ACTIVE_LOW 0x1
|
||||
#define IXP23XX_GPIO_STYLE_RISING_EDGE 0x2
|
||||
#define IXP23XX_GPIO_STYLE_FALLING_EDGE 0x3
|
||||
#define IXP23XX_GPIO_STYLE_TRANSITIONAL 0x4
|
||||
|
||||
#define IXP23XX_GPIO_STYLE_SIZE 3
|
||||
|
||||
|
||||
/****************************************************************************
|
||||
* Timer.
|
||||
****************************************************************************/
|
||||
#define IXP23XX_TIMER_REG(x) ((volatile unsigned long *)(IXP23XX_TIMER_VIRT + (x)))
|
||||
#define IXP23XX_TIMER_CONT IXP23XX_TIMER_REG(0x00)
|
||||
#define IXP23XX_TIMER1_TIMESTAMP IXP23XX_TIMER_REG(0x04)
|
||||
#define IXP23XX_TIMER1_RELOAD IXP23XX_TIMER_REG(0x08)
|
||||
#define IXP23XX_TIMER2_TIMESTAMP IXP23XX_TIMER_REG(0x0c)
|
||||
#define IXP23XX_TIMER2_RELOAD IXP23XX_TIMER_REG(0x10)
|
||||
#define IXP23XX_TIMER_WDOG IXP23XX_TIMER_REG(0x14)
|
||||
#define IXP23XX_TIMER_WDOG_EN IXP23XX_TIMER_REG(0x18)
|
||||
#define IXP23XX_TIMER_WDOG_KEY IXP23XX_TIMER_REG(0x1c)
|
||||
#define IXP23XX_TIMER_WDOG_KEY_MAGIC 0x482e
|
||||
#define IXP23XX_TIMER_STATUS IXP23XX_TIMER_REG(0x20)
|
||||
#define IXP23XX_TIMER_SOFT_RESET IXP23XX_TIMER_REG(0x24)
|
||||
#define IXP23XX_TIMER_SOFT_RESET_EN IXP23XX_TIMER_REG(0x28)
|
||||
|
||||
#define IXP23XX_TIMER_ENABLE (1 << 0)
|
||||
#define IXP23XX_TIMER_ONE_SHOT (1 << 1)
|
||||
/* Low order bits of reload value ignored */
|
||||
#define IXP23XX_TIMER_RELOAD_MASK (0x3)
|
||||
#define IXP23XX_TIMER_DISABLED (0x0)
|
||||
#define IXP23XX_TIMER1_INT_PEND (1 << 0)
|
||||
#define IXP23XX_TIMER2_INT_PEND (1 << 1)
|
||||
#define IXP23XX_TIMER_STATUS_TS_PEND (1 << 2)
|
||||
#define IXP23XX_TIMER_STATUS_WDOG_PEND (1 << 3)
|
||||
#define IXP23XX_TIMER_STATUS_WARM_RESET (1 << 4)
|
||||
|
||||
|
||||
/****************************************************************************
|
||||
* CAP CSRs.
|
||||
****************************************************************************/
|
||||
#define IXP23XX_GLOBAL_REG(x) ((volatile unsigned long *)(IXP23XX_CAP_CSR_VIRT + 0x4a00 + (x)))
|
||||
#define IXP23XX_PROD_IDG IXP23XX_GLOBAL_REG(0x00)
|
||||
#define IXP23XX_MISC_CONTROL IXP23XX_GLOBAL_REG(0x04)
|
||||
#define IXP23XX_MSF_CLK_CNTRL IXP23XX_GLOBAL_REG(0x08)
|
||||
#define IXP23XX_RESET0 IXP23XX_GLOBAL_REG(0x0c)
|
||||
#define IXP23XX_RESET1 IXP23XX_GLOBAL_REG(0x10)
|
||||
#define IXP23XX_STRAP_OPTIONS IXP23XX_GLOBAL_REG(0x18)
|
||||
|
||||
#define IXP23XX_ENABLE_WATCHDOG (1 << 24)
|
||||
#define IXP23XX_SHPC_INIT_COMP (1 << 21)
|
||||
#define IXP23XX_RST_ALL (1 << 16)
|
||||
#define IXP23XX_RESET_PCI (1 << 2)
|
||||
#define IXP23XX_PCI_UNIT_RESET (1 << 1)
|
||||
#define IXP23XX_XSCALE_RESET (1 << 0)
|
||||
|
||||
|
||||
/****************************************************************************
|
||||
* PCI CSRs.
|
||||
****************************************************************************/
|
||||
#define IXP23XX_PCI_CREG(x) ((volatile unsigned long *)(IXP23XX_PCI_CREG_VIRT + (x)))
|
||||
#define IXP23XX_PCI_CMDSTAT IXP23XX_PCI_CREG(0x04)
|
||||
#define IXP23XX_PCI_SRAM_BAR IXP23XX_PCI_CREG(0x14)
|
||||
#define IXP23XX_PCI_SDRAM_BAR IXP23XX_PCI_CREG(0x18)
|
||||
|
||||
|
||||
#define IXP23XX_PCI_CSR(x) ((volatile unsigned long *)(IXP23XX_PCI_CREG_VIRT + 0x01000000 + (x)))
|
||||
#define IXP23XX_PCI_OUT_INT_STATUS IXP23XX_PCI_CSR(0x0030)
|
||||
#define IXP23XX_PCI_OUT_INT_MASK IXP23XX_PCI_CSR(0x0034)
|
||||
#define IXP23XX_PCI_SRAM_BASE_ADDR_MASK IXP23XX_PCI_CSR(0x00fc)
|
||||
#define IXP23XX_PCI_DRAM_BASE_ADDR_MASK IXP23XX_PCI_CSR(0x0100)
|
||||
#define IXP23XX_PCI_CONTROL IXP23XX_PCI_CSR(0x013c)
|
||||
#define IXP23XX_PCI_ADDR_EXT IXP23XX_PCI_CSR(0x0140)
|
||||
#define IXP23XX_PCI_ME_PUSH_STATUS IXP23XX_PCI_CSR(0x0148)
|
||||
#define IXP23XX_PCI_ME_PUSH_EN IXP23XX_PCI_CSR(0x014c)
|
||||
#define IXP23XX_PCI_ERR_STATUS IXP23XX_PCI_CSR(0x0150)
|
||||
#define IXP23XX_PCI_ERROR_STATUS IXP23XX_PCI_CSR(0x0150)
|
||||
#define IXP23XX_PCI_ERR_ENABLE IXP23XX_PCI_CSR(0x0154)
|
||||
#define IXP23XX_PCI_XSCALE_INT_STATUS IXP23XX_PCI_CSR(0x0158)
|
||||
#define IXP23XX_PCI_XSCALE_INT_ENABLE IXP23XX_PCI_CSR(0x015c)
|
||||
#define IXP23XX_PCI_CPP_ADDR_BITS IXP23XX_PCI_CSR(0x0160)
|
||||
|
||||
|
||||
#ifndef __ASSEMBLY__
|
||||
/*
|
||||
* Is system memory on the XSI or CPP bus?
|
||||
*/
|
||||
static inline unsigned ixp23xx_cpp_boot(void)
|
||||
{
|
||||
return (*IXP23XX_EXP_CFG0 & IXP23XX_EXP_CFG0_XSI_NOT_PRES);
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
#endif
|
46
include/asm-arm/arch-ixp23xx/memory.h
Normal file
46
include/asm-arm/arch-ixp23xx/memory.h
Normal file
@ -0,0 +1,46 @@
|
||||
/*
|
||||
* include/asm-arm/arch-ixp23xx/memory.h
|
||||
*
|
||||
* Copyright (c) 2003-2004 Intel Corp.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms of the GNU General Public License as published by the
|
||||
* Free Software Foundation; either version 2 of the License, or (at your
|
||||
* option) any later version.
|
||||
*/
|
||||
|
||||
#ifndef __ASM_ARCH_MEMORY_H
|
||||
#define __ASM_ARCH_MEMORY_H
|
||||
|
||||
#include <asm/hardware.h>
|
||||
|
||||
/*
|
||||
* Physical DRAM offset.
|
||||
*/
|
||||
#define PHYS_OFFSET (0x00000000)
|
||||
|
||||
|
||||
/*
|
||||
* Virtual view <-> DMA view memory address translations
|
||||
* virt_to_bus: Used to translate the virtual address to an
|
||||
* address suitable to be passed to set_dma_addr
|
||||
* bus_to_virt: Used to convert an address for DMA operations
|
||||
* to an address that the kernel can use.
|
||||
*/
|
||||
#ifndef __ASSEMBLY__
|
||||
|
||||
#define __virt_to_bus(v) \
|
||||
({ unsigned int ret; \
|
||||
ret = ((__virt_to_phys(v) - 0x00000000) + \
|
||||
(*((volatile int *)IXP23XX_PCI_SDRAM_BAR) & 0xfffffff0)); \
|
||||
ret; })
|
||||
|
||||
#define __bus_to_virt(b) \
|
||||
({ unsigned int data; \
|
||||
data = *((volatile int *)IXP23XX_PCI_SDRAM_BAR); \
|
||||
__phys_to_virt((((b - (data & 0xfffffff0)) + 0x00000000))); })
|
||||
|
||||
#endif
|
||||
|
||||
|
||||
#endif
|
31
include/asm-arm/arch-ixp23xx/platform.h
Normal file
31
include/asm-arm/arch-ixp23xx/platform.h
Normal file
@ -0,0 +1,31 @@
|
||||
/*
|
||||
* include/asm-arm/arch-ixp23xx/platform.h
|
||||
*
|
||||
* Various bits of code used by platform-level code.
|
||||
*
|
||||
* Author: Deepak Saxena <dsaxena@plexity.net>
|
||||
*
|
||||
* Copyright 2005 (c) MontaVista Software, Inc.
|
||||
*
|
||||
* This file is licensed under the terms of the GNU General Public
|
||||
* License version 2. This program is licensed "as is" without any
|
||||
* warranty of any kind, whether express or implied.
|
||||
*/
|
||||
|
||||
#ifndef __ASSEMBLY__
|
||||
|
||||
struct pci_sys_data;
|
||||
|
||||
void ixp23xx_map_io(void);
|
||||
void ixp23xx_init_irq(void);
|
||||
void ixp23xx_sys_init(void);
|
||||
int ixp23xx_pci_setup(int, struct pci_sys_data *);
|
||||
void ixp23xx_pci_preinit(void);
|
||||
struct pci_bus *ixp23xx_pci_scan_bus(int, struct pci_sys_data*);
|
||||
|
||||
extern struct sys_timer ixp23xx_timer;
|
||||
|
||||
#define IXP23XX_UART_XTAL 14745600
|
||||
|
||||
|
||||
#endif
|
33
include/asm-arm/arch-ixp23xx/system.h
Normal file
33
include/asm-arm/arch-ixp23xx/system.h
Normal file
@ -0,0 +1,33 @@
|
||||
/*
|
||||
* include/asm-arm/arch-ixp23xx/system.h
|
||||
*
|
||||
* Copyright (C) 2003 Intel Corporation.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 as
|
||||
* published by the Free Software Foundation.
|
||||
*/
|
||||
|
||||
#include <asm/hardware.h>
|
||||
#include <asm/mach-types.h>
|
||||
|
||||
static inline void arch_idle(void)
|
||||
{
|
||||
#if 0
|
||||
if (!hlt_counter)
|
||||
cpu_do_idle();
|
||||
#endif
|
||||
}
|
||||
|
||||
static inline void arch_reset(char mode)
|
||||
{
|
||||
/* First try machine specific support */
|
||||
if (machine_is_ixdp2351()) {
|
||||
*IXDP2351_CPLD_RESET1_REG = IXDP2351_CPLD_RESET1_MAGIC;
|
||||
(void) *IXDP2351_CPLD_RESET1_REG;
|
||||
*IXDP2351_CPLD_RESET1_REG = IXDP2351_CPLD_RESET1_ENABLE;
|
||||
}
|
||||
|
||||
/* Use on-chip reset capability */
|
||||
*IXP23XX_RESET0 |= IXP23XX_RST_ALL;
|
||||
}
|
3
include/asm-arm/arch-ixp23xx/time.h
Normal file
3
include/asm-arm/arch-ixp23xx/time.h
Normal file
@ -0,0 +1,3 @@
|
||||
/*
|
||||
* include/asm-arm/arch-ixp23xx/time.h
|
||||
*/
|
7
include/asm-arm/arch-ixp23xx/timex.h
Normal file
7
include/asm-arm/arch-ixp23xx/timex.h
Normal file
@ -0,0 +1,7 @@
|
||||
/*
|
||||
* include/asm-arm/arch-ixp23xx/timex.h
|
||||
*
|
||||
* XScale architecture timex specifications
|
||||
*/
|
||||
|
||||
#define CLOCK_TICK_RATE 75000000
|
45
include/asm-arm/arch-ixp23xx/uncompress.h
Normal file
45
include/asm-arm/arch-ixp23xx/uncompress.h
Normal file
@ -0,0 +1,45 @@
|
||||
/*
|
||||
* include/asm-arm/arch-ixp23xx/uncompress.h
|
||||
*
|
||||
* Copyright (C) 2002-2004 Intel Corporation.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 as
|
||||
* published by the Free Software Foundation.
|
||||
*/
|
||||
|
||||
#ifndef __ASM_ARCH_UNCOMPRESS_H
|
||||
#define __ASM_ARCH_UNCOMPRESS_H
|
||||
|
||||
#include <asm/hardware.h>
|
||||
#include <linux/serial_reg.h>
|
||||
|
||||
#define UART_BASE ((volatile u32 *)IXP23XX_UART1_PHYS)
|
||||
|
||||
static __inline__ void putc(char c)
|
||||
{
|
||||
int j;
|
||||
|
||||
for (j = 0; j < 0x1000; j++) {
|
||||
if (UART_BASE[UART_LSR] & UART_LSR_THRE)
|
||||
break;
|
||||
}
|
||||
|
||||
UART_BASE[UART_TX] = c;
|
||||
}
|
||||
|
||||
static void putstr(const char *s)
|
||||
{
|
||||
while (*s) {
|
||||
putc(*s);
|
||||
if (*s == '\n')
|
||||
putc('\r');
|
||||
s++;
|
||||
}
|
||||
}
|
||||
|
||||
#define arch_decomp_setup()
|
||||
#define arch_decomp_wdog()
|
||||
|
||||
|
||||
#endif
|
10
include/asm-arm/arch-ixp23xx/vmalloc.h
Normal file
10
include/asm-arm/arch-ixp23xx/vmalloc.h
Normal file
@ -0,0 +1,10 @@
|
||||
/*
|
||||
* include/asm-arm/arch-ixp23xx/vmalloc.h
|
||||
*
|
||||
* Copyright (c) 2005 MontaVista Software, Inc.
|
||||
*
|
||||
* NPU mappings end at 0xf0000000 and we allocate 64MB for board
|
||||
* specific static I/O.
|
||||
*/
|
||||
|
||||
#define VMALLOC_END (0xec000000)
|
@ -21,26 +21,18 @@
|
||||
|
||||
static volatile u32* uart_base;
|
||||
|
||||
static __inline__ void putc(char c)
|
||||
static inline void putc(int c)
|
||||
{
|
||||
/* Check THRE and TEMT bits before we transmit the character.
|
||||
*/
|
||||
while ((uart_base[UART_LSR] & TX_DONE) != TX_DONE);
|
||||
while ((uart_base[UART_LSR] & TX_DONE) != TX_DONE)
|
||||
barrier();
|
||||
|
||||
*uart_base = c;
|
||||
}
|
||||
|
||||
/*
|
||||
* This does not append a newline
|
||||
*/
|
||||
static void putstr(const char *s)
|
||||
static void flush(void)
|
||||
{
|
||||
while (*s)
|
||||
{
|
||||
putc(*s);
|
||||
if (*s == '\n')
|
||||
putc('\r');
|
||||
s++;
|
||||
}
|
||||
}
|
||||
|
||||
static __inline__ void __arch_decomp_setup(unsigned long arch_id)
|
||||
|
@ -16,22 +16,17 @@
|
||||
#define __raw_writeb(v,p) (*(volatile unsigned char *)(p) = (v))
|
||||
#define __raw_readb(p) (*(volatile unsigned char *)(p))
|
||||
|
||||
static __inline__ void putc(char c)
|
||||
static inline void putc(int c)
|
||||
{
|
||||
while(__raw_readb(IO_UART + 0x18) & 0x20 ||
|
||||
__raw_readb(IO_UART + 0x18) & 0x08);
|
||||
__raw_readb(IO_UART + 0x18) & 0x08)
|
||||
barrier();
|
||||
|
||||
__raw_writeb(c, IO_UART + 0x00);
|
||||
}
|
||||
|
||||
static void putstr(const char *s)
|
||||
static inline void flush(void)
|
||||
{
|
||||
while (*s) {
|
||||
if (*s == 10) { /* If a LF, add CR */
|
||||
putc(10);
|
||||
putc(13);
|
||||
}
|
||||
putc(*(s++));
|
||||
}
|
||||
}
|
||||
|
||||
static __inline__ void arch_decomp_setup(void)
|
||||
|
@ -22,20 +22,15 @@
|
||||
#define UART_STATUS (*(volatile unsigned long*) (UART2_PHYS + UART_R_STATUS))
|
||||
#define UART_DATA (*(volatile unsigned long*) (UART2_PHYS + UART_R_DATA))
|
||||
|
||||
static __inline__ void putc (char ch)
|
||||
static inline void putc(int ch)
|
||||
{
|
||||
while (UART_STATUS & nTxRdy)
|
||||
;
|
||||
barrier();
|
||||
UART_DATA = ch;
|
||||
}
|
||||
|
||||
static void putstr (const char* sz)
|
||||
static inline void flush(void)
|
||||
{
|
||||
for (; *sz; ++sz) {
|
||||
putc (*sz);
|
||||
if (*sz == '\n')
|
||||
putc ('\r');
|
||||
}
|
||||
}
|
||||
|
||||
/* NULL functions; we don't presently need them */
|
||||
|
@ -30,8 +30,7 @@ unsigned int system_rev;
|
||||
#define check_port(base, shift) ((base[UART_OMAP_MDR1 << shift] & 7) == 0)
|
||||
#define omap_get_id() ((*(volatile unsigned int *)(0xfffed404)) >> 12) & ID_MASK
|
||||
|
||||
static void
|
||||
putstr(const char *s)
|
||||
static void putc(int c)
|
||||
{
|
||||
volatile u8 * uart = 0;
|
||||
int shift = 2;
|
||||
@ -69,16 +68,13 @@ putstr(const char *s)
|
||||
/*
|
||||
* Now, xmit each character
|
||||
*/
|
||||
while (*s) {
|
||||
while (!(uart[UART_LSR << shift] & UART_LSR_THRE))
|
||||
barrier();
|
||||
uart[UART_TX << shift] = *s;
|
||||
if (*s++ == '\n') {
|
||||
while (!(uart[UART_LSR << shift] & UART_LSR_THRE))
|
||||
barrier();
|
||||
uart[UART_TX << shift] = '\r';
|
||||
}
|
||||
}
|
||||
while (!(uart[UART_LSR << shift] & UART_LSR_THRE))
|
||||
barrier();
|
||||
uart[UART_TX << shift] = c;
|
||||
}
|
||||
|
||||
static inline void flush(void)
|
||||
{
|
||||
}
|
||||
|
||||
/*
|
||||
|
@ -176,6 +176,7 @@
|
||||
#elif defined(CONFIG_SHARP_LOCOMO)
|
||||
#define NR_IRQS (IRQ_LOCOMO_SPI_TEND + 1)
|
||||
#elif defined(CONFIG_ARCH_LUBBOCK) || \
|
||||
defined(CONFIG_MACH_LOGICPD_PXA270) || \
|
||||
defined(CONFIG_MACH_MAINSTONE)
|
||||
#define NR_IRQS (IRQ_BOARD_END)
|
||||
#else
|
||||
@ -196,6 +197,11 @@
|
||||
#define LUBBOCK_USB_DISC_IRQ LUBBOCK_IRQ(6) /* usb disconnect */
|
||||
#define LUBBOCK_LAST_IRQ LUBBOCK_IRQ(6)
|
||||
|
||||
#define LPD270_IRQ(x) (IRQ_BOARD_START + (x))
|
||||
#define LPD270_USBC_IRQ LPD270_IRQ(2)
|
||||
#define LPD270_ETHERNET_IRQ LPD270_IRQ(3)
|
||||
#define LPD270_AC97_IRQ LPD270_IRQ(4)
|
||||
|
||||
#define MAINSTONE_IRQ(x) (IRQ_BOARD_START + (x))
|
||||
#define MAINSTONE_MMC_IRQ MAINSTONE_IRQ(0)
|
||||
#define MAINSTONE_USIM_IRQ MAINSTONE_IRQ(1)
|
||||
|
38
include/asm-arm/arch-pxa/lpd270.h
Normal file
38
include/asm-arm/arch-pxa/lpd270.h
Normal file
@ -0,0 +1,38 @@
|
||||
/*
|
||||
* include/asm-arm/arch-pxa/lpd270.h
|
||||
*
|
||||
* Author: Lennert Buytenhek
|
||||
* Created: Feb 10, 2006
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 as
|
||||
* published by the Free Software Foundation.
|
||||
*/
|
||||
|
||||
#ifndef __ASM_ARCH_LPD270_H
|
||||
#define __ASM_ARCH_LPD270_H
|
||||
|
||||
#define LPD270_CPLD_PHYS PXA_CS2_PHYS
|
||||
#define LPD270_CPLD_VIRT 0xf0000000
|
||||
#define LPD270_CPLD_SIZE 0x00100000
|
||||
|
||||
#define LPD270_ETH_PHYS (PXA_CS2_PHYS + 0x01000000)
|
||||
|
||||
/* CPLD registers */
|
||||
#define LPD270_CPLD_REG(x) ((unsigned long)(LPD270_CPLD_VIRT + (x)))
|
||||
#define LPD270_CONTROL LPD270_CPLD_REG(0x00)
|
||||
#define LPD270_PERIPHERAL0 LPD270_CPLD_REG(0x04)
|
||||
#define LPD270_PERIPHERAL1 LPD270_CPLD_REG(0x08)
|
||||
#define LPD270_CPLD_REVISION LPD270_CPLD_REG(0x14)
|
||||
#define LPD270_EEPROM_SPI_ITF LPD270_CPLD_REG(0x20)
|
||||
#define LPD270_MODE_PINS LPD270_CPLD_REG(0x24)
|
||||
#define LPD270_EGPIO LPD270_CPLD_REG(0x30)
|
||||
#define LPD270_INT_MASK LPD270_CPLD_REG(0x40)
|
||||
#define LPD270_INT_STATUS LPD270_CPLD_REG(0x50)
|
||||
|
||||
#define LPD270_INT_AC97 (1 << 4) /* AC'97 CODEC IRQ */
|
||||
#define LPD270_INT_ETHERNET (1 << 3) /* Ethernet controller IRQ */
|
||||
#define LPD270_INT_USBC (1 << 2) /* USB client cable detection IRQ */
|
||||
|
||||
|
||||
#endif
|
@ -17,23 +17,18 @@
|
||||
#define UART FFUART
|
||||
|
||||
|
||||
static __inline__ void putc(char c)
|
||||
static inline void putc(char c)
|
||||
{
|
||||
while (!(UART[5] & 0x20));
|
||||
while (!(UART[5] & 0x20))
|
||||
barrier();
|
||||
UART[0] = c;
|
||||
}
|
||||
|
||||
/*
|
||||
* This does not append a newline
|
||||
*/
|
||||
static void putstr(const char *s)
|
||||
static inline void flush(void)
|
||||
{
|
||||
while (*s) {
|
||||
putc(*s);
|
||||
if (*s == '\n')
|
||||
putc('\r');
|
||||
s++;
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
|
@ -27,22 +27,16 @@
|
||||
/*
|
||||
* This does not append a newline
|
||||
*/
|
||||
static void putstr(const char *s)
|
||||
static inline void putc(int c)
|
||||
{
|
||||
while (*s) {
|
||||
while (AMBA_UART_FR & (1 << 5))
|
||||
barrier();
|
||||
while (AMBA_UART_FR & (1 << 5))
|
||||
barrier();
|
||||
|
||||
AMBA_UART_DR = *s;
|
||||
AMBA_UART_DR = c;
|
||||
}
|
||||
|
||||
if (*s == '\n') {
|
||||
while (AMBA_UART_FR & (1 << 5))
|
||||
barrier();
|
||||
|
||||
AMBA_UART_DR = '\r';
|
||||
}
|
||||
s++;
|
||||
}
|
||||
static inline void flush(void)
|
||||
{
|
||||
while (AMBA_UART_FR & (1 << 3))
|
||||
barrier();
|
||||
}
|
||||
|
@ -67,31 +67,28 @@ extern __attribute__((pure)) struct param_struct *params(void);
|
||||
/*
|
||||
* This does not append a newline
|
||||
*/
|
||||
static void putstr(const char *s)
|
||||
static void putc(int c)
|
||||
{
|
||||
extern void ll_write_char(char *, char c, char white);
|
||||
int x,y;
|
||||
unsigned char c;
|
||||
char *ptr;
|
||||
|
||||
x = params->video_x;
|
||||
y = params->video_y;
|
||||
|
||||
while ( ( c = *(unsigned char *)s++ ) != '\0' ) {
|
||||
if ( c == '\n' ) {
|
||||
if (c == '\n') {
|
||||
if (++y >= video_num_lines)
|
||||
y--;
|
||||
} else if (c == '\r') {
|
||||
x = 0;
|
||||
} else {
|
||||
ptr = VIDMEM + ((y*video_num_columns*params->bytes_per_char_v+x)*bytes_per_char_h);
|
||||
ll_write_char(ptr, c, white);
|
||||
if (++x >= video_num_columns) {
|
||||
x = 0;
|
||||
if ( ++y >= video_num_lines ) {
|
||||
y--;
|
||||
}
|
||||
} else {
|
||||
ptr = VIDMEM + ((y*video_num_columns*params->bytes_per_char_v+x)*bytes_per_char_h);
|
||||
ll_write_char(ptr, c, white);
|
||||
if ( ++x >= video_num_columns ) {
|
||||
x = 0;
|
||||
if ( ++y >= video_num_lines ) {
|
||||
y--;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@ -99,6 +96,10 @@ static void putstr(const char *s)
|
||||
params->video_y = y;
|
||||
}
|
||||
|
||||
static inline void flush(void)
|
||||
{
|
||||
}
|
||||
|
||||
static void error(char *x);
|
||||
|
||||
/*
|
||||
|
@ -67,8 +67,7 @@ uart_rd(unsigned int reg)
|
||||
* waiting for tx to happen...
|
||||
*/
|
||||
|
||||
static void
|
||||
putc(char ch)
|
||||
static void putc(int ch)
|
||||
{
|
||||
int cpuid = S3C2410_GSTATUS1_2410;
|
||||
|
||||
@ -77,9 +76,6 @@ putc(char ch)
|
||||
cpuid &= S3C2410_GSTATUS1_IDMASK;
|
||||
#endif
|
||||
|
||||
if (ch == '\n')
|
||||
putc('\r'); /* expand newline to \r\n */
|
||||
|
||||
if (uart_rd(S3C2410_UFCON) & S3C2410_UFCON_FIFOMODE) {
|
||||
int level;
|
||||
|
||||
@ -101,19 +97,16 @@ putc(char ch)
|
||||
} else {
|
||||
/* not using fifos */
|
||||
|
||||
while ((uart_rd(S3C2410_UTRSTAT) & S3C2410_UTRSTAT_TXE) != S3C2410_UTRSTAT_TXE);
|
||||
while ((uart_rd(S3C2410_UTRSTAT) & S3C2410_UTRSTAT_TXE) != S3C2410_UTRSTAT_TXE)
|
||||
barrier();
|
||||
}
|
||||
|
||||
/* write byte to transmission register */
|
||||
uart_wr(S3C2410_UTXH, ch);
|
||||
}
|
||||
|
||||
static void
|
||||
putstr(const char *ptr)
|
||||
static inline void flush(void)
|
||||
{
|
||||
for (; *ptr != '\0'; ptr++) {
|
||||
putc(*ptr);
|
||||
}
|
||||
}
|
||||
|
||||
#define __raw_writel(d,ad) do { *((volatile unsigned int *)(ad)) = (d); } while(0)
|
||||
|
@ -17,7 +17,7 @@
|
||||
|
||||
#define UART(x) (*(volatile unsigned long *)(serial_port + (x)))
|
||||
|
||||
static void putstr( const char *s )
|
||||
static void putc(int c)
|
||||
{
|
||||
unsigned long serial_port;
|
||||
|
||||
@ -31,19 +31,16 @@ static void putstr( const char *s )
|
||||
return;
|
||||
} while (0);
|
||||
|
||||
for (; *s; s++) {
|
||||
/* wait for space in the UART's transmitter */
|
||||
while (!(UART(UTSR1) & UTSR1_TNF));
|
||||
/* wait for space in the UART's transmitter */
|
||||
while (!(UART(UTSR1) & UTSR1_TNF))
|
||||
barrier();
|
||||
|
||||
/* send the character out. */
|
||||
UART(UTDR) = *s;
|
||||
/* send the character out. */
|
||||
UART(UTDR) = c;
|
||||
}
|
||||
|
||||
/* if a LF, also do CR... */
|
||||
if (*s == 10) {
|
||||
while (!(UART(UTSR1) & UTSR1_TNF));
|
||||
UART(UTDR) = 13;
|
||||
}
|
||||
}
|
||||
static inline void flush(void)
|
||||
{
|
||||
}
|
||||
|
||||
/*
|
||||
|
@ -9,7 +9,7 @@
|
||||
|
||||
#define SERIAL_BASE ((volatile unsigned char *)0x400003f8)
|
||||
|
||||
static __inline__ void putc(char c)
|
||||
static inline void putc(int c)
|
||||
{
|
||||
int t;
|
||||
|
||||
@ -18,17 +18,8 @@ static __inline__ void putc(char c)
|
||||
while (t--);
|
||||
}
|
||||
|
||||
/*
|
||||
* This does not append a newline
|
||||
*/
|
||||
static void putstr(const char *s)
|
||||
static inline void flush(void)
|
||||
{
|
||||
while (*s) {
|
||||
putc(*s);
|
||||
if (*s == '\n')
|
||||
putc('\r');
|
||||
s++;
|
||||
}
|
||||
}
|
||||
|
||||
#ifdef DEBUG
|
||||
|
@ -25,22 +25,16 @@
|
||||
/*
|
||||
* This does not append a newline
|
||||
*/
|
||||
static void putstr(const char *s)
|
||||
static inline void putc(int c)
|
||||
{
|
||||
while (*s) {
|
||||
while (AMBA_UART_FR & (1 << 5))
|
||||
barrier();
|
||||
while (AMBA_UART_FR & (1 << 5))
|
||||
barrier();
|
||||
|
||||
AMBA_UART_DR = *s;
|
||||
AMBA_UART_DR = c;
|
||||
}
|
||||
|
||||
if (*s == '\n') {
|
||||
while (AMBA_UART_FR & (1 << 5))
|
||||
barrier();
|
||||
|
||||
AMBA_UART_DR = '\r';
|
||||
}
|
||||
s++;
|
||||
}
|
||||
static inline void flush(void)
|
||||
{
|
||||
while (AMBA_UART_FR & (1 << 3))
|
||||
barrier();
|
||||
}
|
||||
|
@ -71,6 +71,14 @@
|
||||
# endif
|
||||
#endif
|
||||
|
||||
#if defined(CONFIG_CPU_XSC3)
|
||||
# ifdef _CACHE
|
||||
# define MULTI_CACHE 1
|
||||
# else
|
||||
# define _CACHE xsc3
|
||||
# endif
|
||||
#endif
|
||||
|
||||
#if defined(CONFIG_CPU_V6)
|
||||
//# ifdef _CACHE
|
||||
# define MULTI_CACHE 1
|
||||
|
@ -16,11 +16,29 @@
|
||||
* DOMAIN_IO - domain 2 includes all IO only
|
||||
* DOMAIN_USER - domain 1 includes all user memory only
|
||||
* DOMAIN_KERNEL - domain 0 includes all kernel memory only
|
||||
*
|
||||
* The domain numbering depends on whether we support 36 physical
|
||||
* address for I/O or not. Addresses above the 32 bit boundary can
|
||||
* only be mapped using supersections and supersections can only
|
||||
* be set for domain 0. We could just default to DOMAIN_IO as zero,
|
||||
* but there may be systems with supersection support and no 36-bit
|
||||
* addressing. In such cases, we want to map system memory with
|
||||
* supersections to reduce TLB misses and footprint.
|
||||
*
|
||||
* 36-bit addressing and supersections are only available on
|
||||
* CPUs based on ARMv6+ or the Intel XSC3 core.
|
||||
*/
|
||||
#ifndef CONFIG_IO_36
|
||||
#define DOMAIN_KERNEL 0
|
||||
#define DOMAIN_TABLE 0
|
||||
#define DOMAIN_USER 1
|
||||
#define DOMAIN_IO 2
|
||||
#else
|
||||
#define DOMAIN_KERNEL 2
|
||||
#define DOMAIN_TABLE 2
|
||||
#define DOMAIN_USER 1
|
||||
#define DOMAIN_IO 0
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Domain types
|
||||
|
@ -40,6 +40,7 @@
|
||||
* v4wb - ARMv4 with writeback cache, without minicache
|
||||
* v4_mc - ARMv4 with minicache
|
||||
* xscale - Xscale
|
||||
* xsc3 - XScalev3
|
||||
*/
|
||||
#undef _USER
|
||||
#undef MULTI_USER
|
||||
@ -84,6 +85,14 @@
|
||||
# endif
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_CPU_XSC3
|
||||
# ifdef _USER
|
||||
# define MULTI_USER 1
|
||||
# else
|
||||
# define _USER xsc3_mc
|
||||
# endif
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_CPU_COPY_V6
|
||||
# define MULTI_USER 1
|
||||
#endif
|
||||
|
@ -138,6 +138,14 @@
|
||||
# define CPU_NAME cpu_xscale
|
||||
# endif
|
||||
# endif
|
||||
# ifdef CONFIG_CPU_XSC3
|
||||
# ifdef CPU_NAME
|
||||
# undef MULTI_CPU
|
||||
# define MULTI_CPU
|
||||
# else
|
||||
# define CPU_NAME cpu_xsc3
|
||||
# endif
|
||||
# endif
|
||||
# ifdef CONFIG_CPU_V6
|
||||
# ifdef CPU_NAME
|
||||
# undef MULTI_CPU
|
||||
|
@ -108,6 +108,25 @@ extern void __show_regs(struct pt_regs *);
|
||||
extern int cpu_architecture(void);
|
||||
extern void cpu_init(void);
|
||||
|
||||
/*
|
||||
* Intel's XScale3 core supports some v6 features (supersections, L2)
|
||||
* but advertises itself as v5 as it does not support the v6 ISA. For
|
||||
* this reason, we need a way to explicitly test for this type of CPU.
|
||||
*/
|
||||
#ifndef CONFIG_CPU_XSC3
|
||||
#define cpu_is_xsc3() 0
|
||||
#else
|
||||
static inline int cpu_is_xsc3(void)
|
||||
{
|
||||
extern unsigned int processor_id;
|
||||
|
||||
if ((processor_id & 0xffffe000) == 0x69056000)
|
||||
return 1;
|
||||
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
|
||||
#define set_cr(x) \
|
||||
__asm__ __volatile__( \
|
||||
"mcr p15, 0, %0, c1, c0, 0 @ set CR" \
|
||||
|
Loading…
Reference in New Issue
Block a user