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MIPS: Alchemy: remove PB1000 support

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Noone seems to have test hardware or care anymore.  Drop PB1000 support
and along with it the old Alchemy PCMCIA socket driver.

Signed-off-by: Manuel Lauss <manuel.lauss@googlemail.com>
To: linux-mips@linux-mips.org
Cc: netdev@vger.kernel.org
Cc: linux-pcmcia@lists.infradead.org
Patchwork: https://patchwork.linux-mips.org/patch/2881/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Manuel Lauss 2011-11-02 12:53:44 +01:00 committed by Ralf Baechle
parent 5611cc4572
commit 3f724080a3
14 changed files with 2 additions and 1319 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
arch/mips/alchemy/Kconfig
View File

@ -78,15 +78,6 @@ config MIPS_MIRAGE
select SYS_SUPPORTS_LITTLE_ENDIAN
select SYS_HAS_EARLY_PRINTK
config MIPS_PB1000
bool "Alchemy PB1000 board"
select ALCHEMY_GPIOINT_AU1000
select DMA_NONCOHERENT
select HW_HAS_PCI
select SWAP_IO_SPACE
select SYS_SUPPORTS_LITTLE_ENDIAN
select SYS_HAS_EARLY_PRINTK
config MIPS_PB1100
bool "Alchemy PB1100 board"
select ALCHEMY_GPIOINT_AU1000

7
arch/mips/alchemy/Platform
View File

@ -4,13 +4,6 @@
platform-$(CONFIG_MIPS_ALCHEMY) += alchemy/common/
#
# AMD Alchemy Pb1000 eval board
#
platform-$(CONFIG_MIPS_PB1000) += alchemy/devboards/
cflags-$(CONFIG_MIPS_PB1000) += -I$(srctree)/arch/mips/include/asm/mach-pb1x00
load-$(CONFIG_MIPS_PB1000) += 0xffffffff80100000
#
# AMD Alchemy Pb1100 eval board
#

11
arch/mips/alchemy/common/irq.c
View File

@ -35,9 +35,6 @@
#include <asm/irq_cpu.h>
#include <asm/mipsregs.h>
#include <asm/mach-au1x00/au1000.h>
#ifdef CONFIG_MIPS_PB1000
#include <asm/mach-pb1x00/pb1000.h>
#endif
/* Interrupt Controller register offsets */
#define IC_CFG0RD 0x40
@ -265,14 +262,6 @@ static void au1x_ic1_unmask(struct irq_data *d)
__raw_writel(1 << bit, base + IC_MASKSET);
__raw_writel(1 << bit, base + IC_WAKESET);
/* very hacky. does the pb1000 cpld auto-disable this int?
* nowhere in the current kernel sources is it disabled. --mlau
*/
#if defined(CONFIG_MIPS_PB1000)
if (d->irq == AU1000_GPIO15_INT)
__raw_writel(0x4000, (void __iomem *)PB1000_MDR); /* enable int */
#endif
wmb();
}

1
arch/mips/alchemy/devboards/Makefile
View File

@ -4,7 +4,6 @@
obj-y += prom.o bcsr.o platform.o
obj-$(CONFIG_PM) += pm.o
obj-$(CONFIG_MIPS_PB1000) += pb1000/
obj-$(CONFIG_MIPS_PB1100) += pb1100/
obj-$(CONFIG_MIPS_PB1200) += pb1200/
obj-$(CONFIG_MIPS_PB1500) += pb1500/

8
arch/mips/alchemy/devboards/pb1000/Makefile
View File

@ -1,8 +0,0 @@
#
# Copyright 2000, 2008 MontaVista Software Inc.
# Author: MontaVista Software, Inc. <source@mvista.com>
#
# Makefile for the Alchemy Semiconductor Pb1000 board.
#
obj-y := board_setup.o

209
arch/mips/alchemy/devboards/pb1000/board_setup.c
View File

@ -1,209 +0,0 @@
/*
* Copyright 2000, 2008 MontaVista Software Inc.
* Author: MontaVista Software, Inc. <source@mvista.com>
*
* 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.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/delay.h>
#include <linux/gpio.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/pm.h>
#include <asm/mach-au1x00/au1000.h>
#include <asm/mach-pb1x00/pb1000.h>
#include <asm/reboot.h>
#include <prom.h>
#include "../platform.h"
const char *get_system_type(void)
{
return "Alchemy Pb1000";
}
static void board_reset(char *c)
{
asm volatile ("jr %0" : : "r" (0xbfc00000));
}
static void board_power_off(void)
{
while (1)
asm volatile (
" .set mips32 \n"
" wait \n"
" .set mips0 \n");
}
void __init board_setup(void)
{
u32 pin_func, static_cfg0;
u32 sys_freqctrl, sys_clksrc;
u32 prid = read_c0_prid();
sys_freqctrl = 0;
sys_clksrc = 0;
/* Set AUX clock to 12 MHz * 8 = 96 MHz */
au_writel(8, SYS_AUXPLL);
alchemy_gpio1_input_enable();
udelay(100);
#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
/* Zero and disable FREQ2 */
sys_freqctrl = au_readl(SYS_FREQCTRL0);
sys_freqctrl &= ~0xFFF00000;
au_writel(sys_freqctrl, SYS_FREQCTRL0);
/* Zero and disable USBH/USBD clocks */
sys_clksrc = au_readl(SYS_CLKSRC);
sys_clksrc &= ~(SYS_CS_CUD | SYS_CS_DUD | SYS_CS_MUD_MASK |
SYS_CS_CUH | SYS_CS_DUH | SYS_CS_MUH_MASK);
au_writel(sys_clksrc, SYS_CLKSRC);
sys_freqctrl = au_readl(SYS_FREQCTRL0);
sys_freqctrl &= ~0xFFF00000;
sys_clksrc = au_readl(SYS_CLKSRC);
sys_clksrc &= ~(SYS_CS_CUD | SYS_CS_DUD | SYS_CS_MUD_MASK |
SYS_CS_CUH | SYS_CS_DUH | SYS_CS_MUH_MASK);
switch (prid & 0x000000FF) {
case 0x00: /* DA */
case 0x01: /* HA */
case 0x02: /* HB */
/* CPU core freq to 48 MHz to slow it way down... */
au_writel(4, SYS_CPUPLL);
/*
* Setup 48 MHz FREQ2 from CPUPLL for USB Host
* FRDIV2 = 3 -> div by 8 of 384 MHz -> 48 MHz
*/
sys_freqctrl |= (3 << SYS_FC_FRDIV2_BIT) | SYS_FC_FE2;
au_writel(sys_freqctrl, SYS_FREQCTRL0);
/* CPU core freq to 384 MHz */
au_writel(0x20, SYS_CPUPLL);
printk(KERN_INFO "Au1000: 48 MHz OHCI workaround enabled\n");
break;
default: /* HC and newer */
/* FREQ2 = aux / 2 = 48 MHz */
sys_freqctrl |= (0 << SYS_FC_FRDIV2_BIT) |
SYS_FC_FE2 | SYS_FC_FS2;
au_writel(sys_freqctrl, SYS_FREQCTRL0);
break;
}
/*
* Route 48 MHz FREQ2 into USB Host and/or Device
*/
sys_clksrc |= SYS_CS_MUX_FQ2 << SYS_CS_MUH_BIT;
au_writel(sys_clksrc, SYS_CLKSRC);
/* Configure pins GPIO[14:9] as GPIO */
pin_func = au_readl(SYS_PINFUNC) & ~(SYS_PF_UR3 | SYS_PF_USB);
/* 2nd USB port is USB host */
pin_func |= SYS_PF_USB;
au_writel(pin_func, SYS_PINFUNC);
alchemy_gpio_direction_input(11);
alchemy_gpio_direction_input(13);
alchemy_gpio_direction_output(4, 0);
alchemy_gpio_direction_output(5, 0);
#endif /* defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) */
/* Make GPIO 15 an input (for interrupt line) */
pin_func = au_readl(SYS_PINFUNC) & ~SYS_PF_IRF;
/* We don't need I2S, so make it available for GPIO[31:29] */
pin_func |= SYS_PF_I2S;
au_writel(pin_func, SYS_PINFUNC);
alchemy_gpio_direction_input(15);
static_cfg0 = au_readl(MEM_STCFG0) & ~0xc00;
au_writel(static_cfg0, MEM_STCFG0);
/* configure RCE2* for LCD */
au_writel(0x00000004, MEM_STCFG2);
/* MEM_STTIME2 */
au_writel(0x09000000, MEM_STTIME2);
/* Set 32-bit base address decoding for RCE2* */
au_writel(0x10003ff0, MEM_STADDR2);
/*
* PCI CPLD setup
* Expand CE0 to cover PCI
*/
au_writel(0x11803e40, MEM_STADDR1);
/* Burst visibility on */
au_writel(au_readl(MEM_STCFG0) | 0x1000, MEM_STCFG0);
au_writel(0x83, MEM_STCFG1); /* ewait enabled, flash timing */
au_writel(0x33030a10, MEM_STTIME1); /* slower timing for FPGA */
/* Setup the static bus controller */
au_writel(0x00000002, MEM_STCFG3); /* type = PCMCIA */
au_writel(0x280E3D07, MEM_STTIME3); /* 250ns cycle time */
au_writel(0x10000000, MEM_STADDR3); /* any PCMCIA select */
/*
* Enable Au1000 BCLK switching - note: sed1356 must not use
* its BCLK (Au1000 LCLK) for any timings
*/
switch (prid & 0x000000FF) {
case 0x00: /* DA */
case 0x01: /* HA */
case 0x02: /* HB */
break;
default: /* HC and newer */
/*
* Enable sys bus clock divider when IDLE state or no bus
* activity.
*/
au_writel(au_readl(SYS_POWERCTRL) | (0x3 << 5), SYS_POWERCTRL);
break;
}
pm_power_off = board_power_off;
_machine_halt = board_power_off;
_machine_restart = board_reset;
}
static int __init pb1000_init_irq(void)
{
irq_set_irq_type(AU1000_GPIO15_INT, IRQF_TRIGGER_LOW);
return 0;
}
arch_initcall(pb1000_init_irq);
static int __init pb1000_device_init(void)
{
return db1x_register_norflash(8 * 1024 * 1024, 4, 0);
}
device_initcall(pb1000_device_init);

2
arch/mips/alchemy/devboards/prom.c
View File

@ -33,7 +33,7 @@
#include <asm/mach-au1x00/au1000.h>
#include <prom.h>
#if defined(CONFIG_MIPS_PB1000) || defined(CONFIG_MIPS_DB1000) || \
#if defined(CONFIG_MIPS_DB1000) || \
defined(CONFIG_MIPS_PB1100) || defined(CONFIG_MIPS_DB1100) || \
defined(CONFIG_MIPS_PB1500) || defined(CONFIG_MIPS_DB1500) || \
defined(CONFIG_MIPS_BOSPORUS) || defined(CONFIG_MIPS_MIRAGE)

87
arch/mips/include/asm/mach-pb1x00/pb1000.h
View File

@ -1,87 +0,0 @@
/*
* Alchemy Semi Pb1000 Reference Board
*
* Copyright 2001, 2008 MontaVista Software Inc.
* Author: MontaVista Software, Inc. <source@mvista.com>
*
* ########################################################################
*
* This program is free software; you can distribute it and/or modify it
* under the terms of the GNU General Public License (Version 2) as
* published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
*
* ########################################################################
*
*
*/
#ifndef __ASM_PB1000_H
#define __ASM_PB1000_H
/* PCMCIA PB1000 specific defines */
#define PCMCIA_MAX_SOCK 1
#define PCMCIA_NUM_SOCKS (PCMCIA_MAX_SOCK + 1)
#define PB1000_PCR 0xBE000000
# define PCR_SLOT_0_VPP0 (1 << 0)
# define PCR_SLOT_0_VPP1 (1 << 1)
# define PCR_SLOT_0_VCC0 (1 << 2)
# define PCR_SLOT_0_VCC1 (1 << 3)
# define PCR_SLOT_0_RST (1 << 4)
# define PCR_SLOT_1_VPP0 (1 << 8)
# define PCR_SLOT_1_VPP1 (1 << 9)
# define PCR_SLOT_1_VCC0 (1 << 10)
# define PCR_SLOT_1_VCC1 (1 << 11)
# define PCR_SLOT_1_RST (1 << 12)
#define PB1000_MDR 0xBE000004
# define MDR_PI (1 << 5) /* PCMCIA int latch */
# define MDR_EPI (1 << 14) /* enable PCMCIA int */
# define MDR_CPI (1 << 15) /* clear PCMCIA int */
#define PB1000_ACR1 0xBE000008
# define ACR1_SLOT_0_CD1 (1 << 0) /* card detect 1 */
# define ACR1_SLOT_0_CD2 (1 << 1) /* card detect 2 */
# define ACR1_SLOT_0_READY (1 << 2) /* ready */
# define ACR1_SLOT_0_STATUS (1 << 3) /* status change */
# define ACR1_SLOT_0_VS1 (1 << 4) /* voltage sense 1 */
# define ACR1_SLOT_0_VS2 (1 << 5) /* voltage sense 2 */
# define ACR1_SLOT_0_INPACK (1 << 6) /* inpack pin status */
# define ACR1_SLOT_1_CD1 (1 << 8) /* card detect 1 */
# define ACR1_SLOT_1_CD2 (1 << 9) /* card detect 2 */
# define ACR1_SLOT_1_READY (1 << 10) /* ready */
# define ACR1_SLOT_1_STATUS (1 << 11) /* status change */
# define ACR1_SLOT_1_VS1 (1 << 12) /* voltage sense 1 */
# define ACR1_SLOT_1_VS2 (1 << 13) /* voltage sense 2 */
# define ACR1_SLOT_1_INPACK (1 << 14) /* inpack pin status */
#define CPLD_AUX0 0xBE00000C
#define CPLD_AUX1 0xBE000010
#define CPLD_AUX2 0xBE000014
/* Voltage levels */
/* VPPEN1 - VPPEN0 */
#define VPP_GND ((0 << 1) | (0 << 0))
#define VPP_5V ((1 << 1) | (0 << 0))
#define VPP_3V ((0 << 1) | (1 << 0))
#define VPP_12V ((0 << 1) | (1 << 0))
#define VPP_HIZ ((1 << 1) | (1 << 0))
/* VCCEN1 - VCCEN0 */
#define VCC_3V ((0 << 1) | (1 << 0))
#define VCC_5V ((1 << 1) | (0 << 0))
#define VCC_HIZ ((0 << 1) | (0 << 0))
/* VPP/VCC */
#define SET_VCC_VPP(VCC, VPP, SLOT) \
((((VCC) << 2) | ((VPP) << 0)) << ((SLOT) * 8))
#endif /* __ASM_PB1000_H */

5
drivers/net/irda/au1k_ir.c
View File

@ -32,10 +32,7 @@
#include <asm/irq.h>
#include <asm/io.h>
#include <asm/au1000.h>
#if defined(CONFIG_MIPS_PB1000) || defined(CONFIG_MIPS_PB1100)
#include <asm/pb1000.h>
#elif defined(CONFIG_MIPS_DB1000) || defined(CONFIG_MIPS_DB1100)
#include <asm/db1x00.h>
#if defined(CONFIG_MIPS_DB1000) || defined(CONFIG_MIPS_DB1100)
#include <asm/mach-db1x00/bcsr.h>
#else
#error au1k_ir: unsupported board

4
drivers/pcmcia/Kconfig
View File

@ -155,10 +155,6 @@ config PCMCIA_M8XX
This driver is also available as a module called m8xx_pcmcia.
config PCMCIA_AU1X00
tristate "Au1x00 pcmcia support"
depends on MIPS_ALCHEMY && PCMCIA
config PCMCIA_ALCHEMY_DEVBOARD
tristate "Alchemy Db/Pb1xxx PCMCIA socket services"
depends on MIPS_ALCHEMY && PCMCIA

4
drivers/pcmcia/Makefile
View File

@ -29,7 +29,6 @@ obj-$(CONFIG_PCMCIA_SA1100) += sa11xx_base.o sa1100_cs.o
obj-$(CONFIG_PCMCIA_SA1111) += sa11xx_base.o sa1111_cs.o
obj-$(CONFIG_M32R_PCC) += m32r_pcc.o
obj-$(CONFIG_M32R_CFC) += m32r_cfc.o
obj-$(CONFIG_PCMCIA_AU1X00) += au1x00_ss.o
obj-$(CONFIG_PCMCIA_BCM63XX) += bcm63xx_pcmcia.o
obj-$(CONFIG_PCMCIA_VRC4171) += vrc4171_card.o
obj-$(CONFIG_PCMCIA_VRC4173) += vrc4173_cardu.o
@ -39,9 +38,6 @@ obj-$(CONFIG_AT91_CF) += at91_cf.o
obj-$(CONFIG_ELECTRA_CF) += electra_cf.o
obj-$(CONFIG_PCMCIA_ALCHEMY_DEVBOARD) += db1xxx_ss.o
au1x00_ss-y += au1000_generic.o
au1x00_ss-$(CONFIG_MIPS_PB1000) += au1000_pb1x00.o
sa1111_cs-y += sa1111_generic.o
sa1111_cs-$(CONFIG_ASSABET_NEPONSET) += sa1100_neponset.o
sa1111_cs-$(CONFIG_SA1100_BADGE4) += sa1100_badge4.o

545
drivers/pcmcia/au1000_generic.c
View File

@ -1,545 +0,0 @@
/*
*
* Alchemy Semi Au1000 pcmcia driver
*
* Copyright 2001-2003 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@embeddedalley.com or source@mvista.com
*
* Copyright 2004 Pete Popov, Embedded Alley Solutions, Inc.
* Updated the driver to 2.6. Followed the sa11xx API and largely
* copied many of the hardware independent functions.
*
* ########################################################################
*
* This program is free software; you can distribute it and/or modify it
* under the terms of the GNU General Public License (Version 2) as
* published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
*
* ########################################################################
*
*
*/
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/cpufreq.h>
#include <linux/ioport.h>
#include <linux/kernel.h>
#include <linux/timer.h>
#include <linux/mm.h>
#include <linux/notifier.h>
#include <linux/interrupt.h>
#include <linux/spinlock.h>
#include <linux/mutex.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/system.h>
#include <asm/mach-au1x00/au1000.h>
#include "au1000_generic.h"
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Pete Popov <ppopov@embeddedalley.com>");
MODULE_DESCRIPTION("Linux PCMCIA Card Services: Au1x00 Socket Controller");
#if 0
#define debug(x,args...) printk(KERN_DEBUG "%s: " x, __func__ , ##args)
#else
#define debug(x,args...)
#endif
#define MAP_SIZE 0x100000
extern struct au1000_pcmcia_socket au1000_pcmcia_socket[];
#define PCMCIA_SOCKET(x) (au1000_pcmcia_socket + (x))
#define to_au1000_socket(x) container_of(x, struct au1000_pcmcia_socket, socket)
/* Some boards like to support CF cards as IDE root devices, so they
* grab pcmcia sockets directly.
*/
u32 *pcmcia_base_vaddrs[2];
extern const unsigned long mips_io_port_base;
static DEFINE_MUTEX(pcmcia_sockets_lock);
static int (*au1x00_pcmcia_hw_init[])(struct device *dev) = {
au1x_board_init,
};
static int
au1x00_pcmcia_skt_state(struct au1000_pcmcia_socket *skt)
{
struct pcmcia_state state;
unsigned int stat;
memset(&state, 0, sizeof(struct pcmcia_state));
skt->ops->socket_state(skt, &state);
stat = state.detect ? SS_DETECT : 0;
stat |= state.ready ? SS_READY : 0;
stat |= state.wrprot ? SS_WRPROT : 0;
stat |= state.vs_3v ? SS_3VCARD : 0;
stat |= state.vs_Xv ? SS_XVCARD : 0;
stat |= skt->cs_state.Vcc ? SS_POWERON : 0;
if (skt->cs_state.flags & SS_IOCARD)
stat |= state.bvd1 ? SS_STSCHG : 0;
else {
if (state.bvd1 == 0)
stat |= SS_BATDEAD;
else if (state.bvd2 == 0)
stat |= SS_BATWARN;
}
return stat;
}
/*
* au100_pcmcia_config_skt
*
* Convert PCMCIA socket state to our socket configure structure.
*/
static int
au1x00_pcmcia_config_skt(struct au1000_pcmcia_socket *skt, socket_state_t *state)
{
int ret;
ret = skt->ops->configure_socket(skt, state);
if (ret == 0) {
skt->cs_state = *state;
}
if (ret < 0)
debug("unable to configure socket %d\n", skt->nr);
return ret;
}
/* au1x00_pcmcia_sock_init()
*
* (Re-)Initialise the socket, turning on status interrupts
* and PCMCIA bus. This must wait for power to stabilise
* so that the card status signals report correctly.
*
* Returns: 0
*/
static int au1x00_pcmcia_sock_init(struct pcmcia_socket *sock)
{
struct au1000_pcmcia_socket *skt = to_au1000_socket(sock);
debug("initializing socket %u\n", skt->nr);
skt->ops->socket_init(skt);
return 0;
}
/*
* au1x00_pcmcia_suspend()
*
* Remove power on the socket, disable IRQs from the card.
* Turn off status interrupts, and disable the PCMCIA bus.
*
* Returns: 0
*/
static int au1x00_pcmcia_suspend(struct pcmcia_socket *sock)
{
struct au1000_pcmcia_socket *skt = to_au1000_socket(sock);
debug("suspending socket %u\n", skt->nr);
skt->ops->socket_suspend(skt);
return 0;
}
static DEFINE_SPINLOCK(status_lock);
/*
* au1x00_check_status()
*/
static void au1x00_check_status(struct au1000_pcmcia_socket *skt)
{
unsigned int events;
debug("entering PCMCIA monitoring thread\n");
do {
unsigned int status;
unsigned long flags;
status = au1x00_pcmcia_skt_state(skt);
spin_lock_irqsave(&status_lock, flags);
events = (status ^ skt->status) & skt->cs_state.csc_mask;
skt->status = status;
spin_unlock_irqrestore(&status_lock, flags);
debug("events: %s%s%s%s%s%s\n",
events == 0 ? "<NONE>" : "",
events & SS_DETECT ? "DETECT " : "",
events & SS_READY ? "READY " : "",
events & SS_BATDEAD ? "BATDEAD " : "",
events & SS_BATWARN ? "BATWARN " : "",
events & SS_STSCHG ? "STSCHG " : "");
if (events)
pcmcia_parse_events(&skt->socket, events);
} while (events);
}
/*
* au1x00_pcmcia_poll_event()
* Let's poll for events in addition to IRQs since IRQ only is unreliable...
*/
static void au1x00_pcmcia_poll_event(unsigned long dummy)
{
struct au1000_pcmcia_socket *skt = (struct au1000_pcmcia_socket *)dummy;
debug("polling for events\n");
mod_timer(&skt->poll_timer, jiffies + AU1000_PCMCIA_POLL_PERIOD);
au1x00_check_status(skt);
}
/* au1x00_pcmcia_get_status()
*
* From the sa11xx_core.c:
* Implements the get_status() operation for the in-kernel PCMCIA
* service (formerly SS_GetStatus in Card Services). Essentially just
* fills in bits in `status' according to internal driver state or
* the value of the voltage detect chipselect register.
*
* As a debugging note, during card startup, the PCMCIA core issues
* three set_socket() commands in a row the first with RESET deasserted,
* the second with RESET asserted, and the last with RESET deasserted
* again. Following the third set_socket(), a get_status() command will
* be issued. The kernel is looking for the SS_READY flag (see
* setup_socket(), reset_socket(), and unreset_socket() in cs.c).
*
* Returns: 0
*/
static int
au1x00_pcmcia_get_status(struct pcmcia_socket *sock, unsigned int *status)
{
struct au1000_pcmcia_socket *skt = to_au1000_socket(sock);
skt->status = au1x00_pcmcia_skt_state(skt);
*status = skt->status;
return 0;
}
/* au1x00_pcmcia_set_socket()
* Implements the set_socket() operation for the in-kernel PCMCIA
* service (formerly SS_SetSocket in Card Services). We more or
* less punt all of this work and let the kernel handle the details
* of power configuration, reset, &c. We also record the value of
* `state' in order to regurgitate it to the PCMCIA core later.
*
* Returns: 0
*/
static int
au1x00_pcmcia_set_socket(struct pcmcia_socket *sock, socket_state_t *state)
{
struct au1000_pcmcia_socket *skt = to_au1000_socket(sock);
debug("for sock %u\n", skt->nr);
debug("\tmask: %s%s%s%s%s%s\n\tflags: %s%s%s%s%s%s\n",
(state->csc_mask==0)?"<NONE>":"",
(state->csc_mask&SS_DETECT)?"DETECT ":"",
(state->csc_mask&SS_READY)?"READY ":"",
(state->csc_mask&SS_BATDEAD)?"BATDEAD ":"",
(state->csc_mask&SS_BATWARN)?"BATWARN ":"",
(state->csc_mask&SS_STSCHG)?"STSCHG ":"",
(state->flags==0)?"<NONE>":"",
(state->flags&SS_PWR_AUTO)?"PWR_AUTO ":"",
(state->flags&SS_IOCARD)?"IOCARD ":"",
(state->flags&SS_RESET)?"RESET ":"",
(state->flags&SS_SPKR_ENA)?"SPKR_ENA ":"",
(state->flags&SS_OUTPUT_ENA)?"OUTPUT_ENA ":"");
debug("\tVcc %d Vpp %d irq %d\n",
state->Vcc, state->Vpp, state->io_irq);
return au1x00_pcmcia_config_skt(skt, state);
}
int
au1x00_pcmcia_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *map)
{
struct au1000_pcmcia_socket *skt = to_au1000_socket(sock);
unsigned int speed;
if(map->map>=MAX_IO_WIN){
debug("map (%d) out of range\n", map->map);
return -1;
}
if(map->flags&MAP_ACTIVE){
speed=(map->speed>0)?map->speed:AU1000_PCMCIA_IO_SPEED;
skt->spd_io[map->map] = speed;
}
map->start=(unsigned int)(u32)skt->virt_io;
map->stop=map->start+MAP_SIZE;
return 0;
} /* au1x00_pcmcia_set_io_map() */
static int
au1x00_pcmcia_set_mem_map(struct pcmcia_socket *sock, struct pccard_mem_map *map)
{
struct au1000_pcmcia_socket *skt = to_au1000_socket(sock);
unsigned short speed = map->speed;
if(map->map>=MAX_WIN){
debug("map (%d) out of range\n", map->map);
return -1;
}
if (map->flags & MAP_ATTRIB) {
skt->spd_attr[map->map] = speed;
skt->spd_mem[map->map] = 0;
} else {
skt->spd_attr[map->map] = 0;
skt->spd_mem[map->map] = speed;
}
if (map->flags & MAP_ATTRIB) {
map->static_start = skt->phys_attr + map->card_start;
}
else {
map->static_start = skt->phys_mem + map->card_start;
}
debug("set_mem_map %d start %08lx card_start %08x\n",
map->map, map->static_start, map->card_start);
return 0;
} /* au1x00_pcmcia_set_mem_map() */
static struct pccard_operations au1x00_pcmcia_operations = {
.init = au1x00_pcmcia_sock_init,
.suspend = au1x00_pcmcia_suspend,
.get_status = au1x00_pcmcia_get_status,
.set_socket = au1x00_pcmcia_set_socket,
.set_io_map = au1x00_pcmcia_set_io_map,
.set_mem_map = au1x00_pcmcia_set_mem_map,
};
static const char *skt_names[] = {
"PCMCIA socket 0",
"PCMCIA socket 1",
};
struct skt_dev_info {
int nskt;
};
int au1x00_pcmcia_socket_probe(struct device *dev, struct pcmcia_low_level *ops, int first, int nr)
{
struct skt_dev_info *sinfo;
struct au1000_pcmcia_socket *skt;
int ret, i;
sinfo = kzalloc(sizeof(struct skt_dev_info), GFP_KERNEL);
if (!sinfo) {
ret = -ENOMEM;
goto out;
}
sinfo->nskt = nr;
/*
* Initialise the per-socket structure.
*/
for (i = 0; i < nr; i++) {
skt = PCMCIA_SOCKET(i);
memset(skt, 0, sizeof(*skt));
skt->socket.resource_ops = &pccard_static_ops;
skt->socket.ops = &au1x00_pcmcia_operations;
skt->socket.owner = ops->owner;
skt->socket.dev.parent = dev;
init_timer(&skt->poll_timer);
skt->poll_timer.function = au1x00_pcmcia_poll_event;
skt->poll_timer.data = (unsigned long)skt;
skt->poll_timer.expires = jiffies + AU1000_PCMCIA_POLL_PERIOD;
skt->nr = first + i;
skt->irq = 255;
skt->dev = dev;
skt->ops = ops;
skt->res_skt.name = skt_names[skt->nr];
skt->res_io.name = "io";
skt->res_io.flags = IORESOURCE_MEM | IORESOURCE_BUSY;
skt->res_mem.name = "memory";
skt->res_mem.flags = IORESOURCE_MEM;
skt->res_attr.name = "attribute";
skt->res_attr.flags = IORESOURCE_MEM;
/*
* PCMCIA client drivers use the inb/outb macros to access the
* IO registers. Since mips_io_port_base is added to the
* access address of the mips implementation of inb/outb,
* we need to subtract it here because we want to access the
* I/O or MEM address directly, without going through this
* "mips_io_port_base" mechanism.
*/
if (i == 0) {
skt->virt_io = (void *)
(ioremap((phys_t)AU1X_SOCK0_IO, 0x1000) -
(u32)mips_io_port_base);
skt->phys_attr = AU1X_SOCK0_PHYS_ATTR;
skt->phys_mem = AU1X_SOCK0_PHYS_MEM;
}
else {
skt->virt_io = (void *)
(ioremap((phys_t)AU1X_SOCK1_IO, 0x1000) -
(u32)mips_io_port_base);
skt->phys_attr = AU1X_SOCK1_PHYS_ATTR;
skt->phys_mem = AU1X_SOCK1_PHYS_MEM;
}
pcmcia_base_vaddrs[i] = (u32 *)skt->virt_io;
ret = ops->hw_init(skt);
skt->socket.features = SS_CAP_STATIC_MAP|SS_CAP_PCCARD;
skt->socket.irq_mask = 0;
skt->socket.map_size = MAP_SIZE;
skt->socket.pci_irq = skt->irq;
skt->socket.io_offset = (unsigned long)skt->virt_io;
skt->status = au1x00_pcmcia_skt_state(skt);
ret = pcmcia_register_socket(&skt->socket);
if (ret)
goto out_err;
WARN_ON(skt->socket.sock != i);
add_timer(&skt->poll_timer);
}
dev_set_drvdata(dev, sinfo);
return 0;
out_err:
ops->hw_shutdown(skt);
while (i-- > 0) {
skt = PCMCIA_SOCKET(i);
del_timer_sync(&skt->poll_timer);
pcmcia_unregister_socket(&skt->socket);
if (i == 0) {
iounmap(skt->virt_io + (u32)mips_io_port_base);
skt->virt_io = NULL;
}
#ifndef CONFIG_MIPS_XXS1500
else {
iounmap(skt->virt_io + (u32)mips_io_port_base);
skt->virt_io = NULL;
}
#endif
ops->hw_shutdown(skt);
}
kfree(sinfo);
out:
return ret;
}
int au1x00_drv_pcmcia_remove(struct platform_device *dev)
{
struct skt_dev_info *sinfo = platform_get_drvdata(dev);
int i;
mutex_lock(&pcmcia_sockets_lock);
platform_set_drvdata(dev, NULL);
for (i = 0; i < sinfo->nskt; i++) {
struct au1000_pcmcia_socket *skt = PCMCIA_SOCKET(i);
del_timer_sync(&skt->poll_timer);
pcmcia_unregister_socket(&skt->socket);
skt->ops->hw_shutdown(skt);
au1x00_pcmcia_config_skt(skt, &dead_socket);
iounmap(skt->virt_io + (u32)mips_io_port_base);
skt->virt_io = NULL;
}
kfree(sinfo);
mutex_unlock(&pcmcia_sockets_lock);
return 0;
}
/*
* PCMCIA "Driver" API
*/
static int au1x00_drv_pcmcia_probe(struct platform_device *dev)
{
int i, ret = -ENODEV;
mutex_lock(&pcmcia_sockets_lock);
for (i=0; i < ARRAY_SIZE(au1x00_pcmcia_hw_init); i++) {
ret = au1x00_pcmcia_hw_init[i](&dev->dev);
if (ret == 0)
break;
}
mutex_unlock(&pcmcia_sockets_lock);
return ret;
}
static struct platform_driver au1x00_pcmcia_driver = {
.driver = {
.name = "au1x00-pcmcia",
.owner = THIS_MODULE,
},
.probe = au1x00_drv_pcmcia_probe,
.remove = au1x00_drv_pcmcia_remove,
};
/* au1x00_pcmcia_init()
*
* This routine performs low-level PCMCIA initialization and then
* registers this socket driver with Card Services.
*
* Returns: 0 on success, -ve error code on failure
*/
static int __init au1x00_pcmcia_init(void)
{
int error = 0;
error = platform_driver_register(&au1x00_pcmcia_driver);
return error;
}
/* au1x00_pcmcia_exit()
* Invokes the low-level kernel service to free IRQs associated with this
* socket controller and reset GPIO edge detection.
*/
static void __exit au1x00_pcmcia_exit(void)
{
platform_driver_unregister(&au1x00_pcmcia_driver);
}
module_init(au1x00_pcmcia_init);
module_exit(au1x00_pcmcia_exit);

135
drivers/pcmcia/au1000_generic.h
View File

@ -1,135 +0,0 @@
/*
* Alchemy Semi Au1000 pcmcia driver include file
*
* Copyright 2001 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
*
* This program is free software; you can distribute it and/or modify it
* under the terms of the GNU General Public License (Version 2) as
* published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
*/
#ifndef __ASM_AU1000_PCMCIA_H
#define __ASM_AU1000_PCMCIA_H
/* include the world */
#include <pcmcia/ss.h>
#include <pcmcia/cistpl.h>
#include "cs_internal.h"
#define AU1000_PCMCIA_POLL_PERIOD (2*HZ)
#define AU1000_PCMCIA_IO_SPEED (255)
#define AU1000_PCMCIA_MEM_SPEED (300)
#define AU1X_SOCK0_IO 0xF00000000ULL
#define AU1X_SOCK0_PHYS_ATTR 0xF40000000ULL
#define AU1X_SOCK0_PHYS_MEM 0xF80000000ULL
/* pcmcia socket 1 needs external glue logic so the memory map
* differs from board to board.
*/
#if defined(CONFIG_MIPS_PB1000)
#define AU1X_SOCK1_IO 0xF08000000ULL
#define AU1X_SOCK1_PHYS_ATTR 0xF48000000ULL
#define AU1X_SOCK1_PHYS_MEM 0xF88000000ULL
#endif
struct pcmcia_state {
unsigned detect: 1,
ready: 1,
wrprot: 1,
bvd1: 1,
bvd2: 1,
vs_3v: 1,
vs_Xv: 1;
};
struct pcmcia_configure {
unsigned sock: 8,
vcc: 8,
vpp: 8,
output: 1,
speaker: 1,
reset: 1;
};
struct pcmcia_irqs {
int sock;
int irq;
const char *str;
};
struct au1000_pcmcia_socket {
struct pcmcia_socket socket;
/*
* Info from low level handler
*/
struct device *dev;
unsigned int nr;
unsigned int irq;
/*
* Core PCMCIA state
*/
struct pcmcia_low_level *ops;
unsigned int status;
socket_state_t cs_state;
unsigned short spd_io[MAX_IO_WIN];
unsigned short spd_mem[MAX_WIN];
unsigned short spd_attr[MAX_WIN];
struct resource res_skt;
struct resource res_io;
struct resource res_mem;
struct resource res_attr;
void * virt_io;
unsigned int phys_io;
unsigned int phys_attr;
unsigned int phys_mem;
unsigned short speed_io, speed_attr, speed_mem;
unsigned int irq_state;
struct timer_list poll_timer;
};
struct pcmcia_low_level {
struct module *owner;
int (*hw_init)(struct au1000_pcmcia_socket *);
void (*hw_shutdown)(struct au1000_pcmcia_socket *);
void (*socket_state)(struct au1000_pcmcia_socket *, struct pcmcia_state *);
int (*configure_socket)(struct au1000_pcmcia_socket *, struct socket_state_t *);
/*
* Enable card status IRQs on (re-)initialisation. This can
* be called at initialisation, power management event, or
* pcmcia event.
*/
void (*socket_init)(struct au1000_pcmcia_socket *);
/*
* Disable card status IRQs and PCMCIA bus on suspend.
*/
void (*socket_suspend)(struct au1000_pcmcia_socket *);
};
extern int au1x_board_init(struct device *dev);
#endif /* __ASM_AU1000_PCMCIA_H */

294
drivers/pcmcia/au1000_pb1x00.c
View File

@ -1,294 +0,0 @@
/*
*
* Alchemy Semi Pb1000 boards specific pcmcia routines.
*
* Copyright 2002 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
*
* ########################################################################
*
* This program is free software; you can distribute it and/or modify it
* under the terms of the GNU General Public License (Version 2) as
* published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/ioport.h>
#include <linux/kernel.h>
#include <linux/timer.h>
#include <linux/mm.h>
#include <linux/proc_fs.h>
#include <linux/types.h>
#include <pcmcia/ss.h>
#include <pcmcia/cistpl.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/system.h>
#include <asm/au1000.h>
#include <asm/au1000_pcmcia.h>
#define debug(fmt, arg...) do { } while (0)
#include <asm/pb1000.h>
#define PCMCIA_IRQ AU1000_GPIO_15
static int pb1x00_pcmcia_init(struct pcmcia_init *init)
{
u16 pcr;
pcr = PCR_SLOT_0_RST | PCR_SLOT_1_RST;
au_writel(0x8000, PB1000_MDR); /* clear pcmcia interrupt */
au_sync_delay(100);
au_writel(0x4000, PB1000_MDR); /* enable pcmcia interrupt */
au_sync();
pcr |= SET_VCC_VPP(VCC_HIZ,VPP_HIZ,0);
pcr |= SET_VCC_VPP(VCC_HIZ,VPP_HIZ,1);
au_writel(pcr, PB1000_PCR);
au_sync_delay(20);
return PCMCIA_NUM_SOCKS;
}
static int pb1x00_pcmcia_shutdown(void)
{
u16 pcr;
pcr = PCR_SLOT_0_RST | PCR_SLOT_1_RST;
pcr |= SET_VCC_VPP(VCC_HIZ,VPP_HIZ,0);
pcr |= SET_VCC_VPP(VCC_HIZ,VPP_HIZ,1);
au_writel(pcr, PB1000_PCR);
au_sync_delay(20);
return 0;
}
static int
pb1x00_pcmcia_socket_state(unsigned sock, struct pcmcia_state *state)
{
u32 inserted0, inserted1;
u16 vs0, vs1;
vs0 = vs1 = (u16)au_readl(PB1000_ACR1);
inserted0 = !(vs0 & (ACR1_SLOT_0_CD1 | ACR1_SLOT_0_CD2));
inserted1 = !(vs1 & (ACR1_SLOT_1_CD1 | ACR1_SLOT_1_CD2));
vs0 = (vs0 >> 4) & 0x3;
vs1 = (vs1 >> 12) & 0x3;
state->ready = 0;
state->vs_Xv = 0;
state->vs_3v = 0;
state->detect = 0;
if (sock == 0) {
if (inserted0) {
switch (vs0) {
case 0:
case 2:
state->vs_3v=1;
break;
case 3: /* 5V */
break;
default:
/* return without setting 'detect' */
printk(KERN_ERR "pb1x00 bad VS (%d)\n",
vs0);
return 0;
}
state->detect = 1;
}
}
else {
if (inserted1) {
switch (vs1) {
case 0:
case 2:
state->vs_3v=1;
break;
case 3: /* 5V */
break;
default:
/* return without setting 'detect' */
printk(KERN_ERR "pb1x00 bad VS (%d)\n",
vs1);
return 0;
}
state->detect = 1;
}
}
if (state->detect) {
state->ready = 1;
}
state->bvd1=1;
state->bvd2=1;
state->wrprot=0;
return 1;
}
static int pb1x00_pcmcia_get_irq_info(struct pcmcia_irq_info *info)
{
if(info->sock > PCMCIA_MAX_SOCK) return -1;
/*
* Even in the case of the Pb1000, both sockets are connected
* to the same irq line.
*/
info->irq = PCMCIA_IRQ;
return 0;
}
static int
pb1x00_pcmcia_configure_socket(const struct pcmcia_configure *configure)
{
u16 pcr;
if(configure->sock > PCMCIA_MAX_SOCK) return -1;
pcr = au_readl(PB1000_PCR);
if (configure->sock == 0) {
pcr &= ~(PCR_SLOT_0_VCC0 | PCR_SLOT_0_VCC1 |
PCR_SLOT_0_VPP0 | PCR_SLOT_0_VPP1);
}
else {
pcr &= ~(PCR_SLOT_1_VCC0 | PCR_SLOT_1_VCC1 |
PCR_SLOT_1_VPP0 | PCR_SLOT_1_VPP1);
}
pcr &= ~PCR_SLOT_0_RST;
debug("Vcc %dV Vpp %dV, pcr %x\n",
configure->vcc, configure->vpp, pcr);
switch(configure->vcc){
case 0: /* Vcc 0 */
switch(configure->vpp) {
case 0:
pcr |= SET_VCC_VPP(VCC_HIZ,VPP_GND,
configure->sock);
break;
case 12:
pcr |= SET_VCC_VPP(VCC_HIZ,VPP_12V,
configure->sock);
break;
case 50:
pcr |= SET_VCC_VPP(VCC_HIZ,VPP_5V,
configure->sock);
break;
case 33:
pcr |= SET_VCC_VPP(VCC_HIZ,VPP_3V,
configure->sock);
break;
default:
pcr |= SET_VCC_VPP(VCC_HIZ,VPP_HIZ,
configure->sock);
printk("%s: bad Vcc/Vpp (%d:%d)\n",
__func__,
configure->vcc,
configure->vpp);
break;
}
break;
case 50: /* Vcc 5V */
switch(configure->vpp) {
case 0:
pcr |= SET_VCC_VPP(VCC_5V,VPP_GND,
configure->sock);
break;
case 50:
pcr |= SET_VCC_VPP(VCC_5V,VPP_5V,
configure->sock);
break;
case 12:
pcr |= SET_VCC_VPP(VCC_5V,VPP_12V,
configure->sock);
break;
case 33:
pcr |= SET_VCC_VPP(VCC_5V,VPP_3V,
configure->sock);
break;
default:
pcr |= SET_VCC_VPP(VCC_HIZ,VPP_HIZ,
configure->sock);
printk("%s: bad Vcc/Vpp (%d:%d)\n",
__func__,
configure->vcc,
configure->vpp);
break;
}
break;
case 33: /* Vcc 3.3V */
switch(configure->vpp) {
case 0:
pcr |= SET_VCC_VPP(VCC_3V,VPP_GND,
configure->sock);
break;
case 50:
pcr |= SET_VCC_VPP(VCC_3V,VPP_5V,
configure->sock);
break;
case 12:
pcr |= SET_VCC_VPP(VCC_3V,VPP_12V,
configure->sock);
break;
case 33:
pcr |= SET_VCC_VPP(VCC_3V,VPP_3V,
configure->sock);
break;
default:
pcr |= SET_VCC_VPP(VCC_HIZ,VPP_HIZ,
configure->sock);
printk("%s: bad Vcc/Vpp (%d:%d)\n",
__func__,
configure->vcc,
configure->vpp);
break;
}
break;
default: /* what's this ? */
pcr |= SET_VCC_VPP(VCC_HIZ,VPP_HIZ,configure->sock);
printk(KERN_ERR "%s: bad Vcc %d\n",
__func__, configure->vcc);
break;
}
if (configure->sock == 0) {
pcr &= ~(PCR_SLOT_0_RST);
if (configure->reset)
pcr |= PCR_SLOT_0_RST;
}
else {
pcr &= ~(PCR_SLOT_1_RST);
if (configure->reset)
pcr |= PCR_SLOT_1_RST;
}
au_writel(pcr, PB1000_PCR);
au_sync_delay(300);
return 0;
}
struct pcmcia_low_level pb1x00_pcmcia_ops = {
pb1x00_pcmcia_init,
pb1x00_pcmcia_shutdown,
pb1x00_pcmcia_socket_state,
pb1x00_pcmcia_get_irq_info,
pb1x00_pcmcia_configure_socket
};