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85xx: Convert PM854/PM856 to new TLB setup

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Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
Kumar Gala 2008-01-17 01:31:34 -06:00
parent ff4681c928
commit 818218bac6
10 changed files with 238 additions and 404 deletions
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3
board/pm854/Makefile
View File

@ -25,8 +25,7 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(BOARD).a
COBJS := $(BOARD).o law.o
SOBJS := init.o
COBJS := $(BOARD).o law.o tlb.o
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS))

198
board/pm854/init.S
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@ -1,198 +0,0 @@
/*
* Copyright 2004 Freescale Semiconductor.
* Copyright (C) 2002,2003, Motorola Inc.
* Xianghua Xiao <X.Xiao@motorola.com>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* 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 program is distributed in the hope that 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 <ppc_asm.tmpl>
#include <ppc_defs.h>
#include <asm/cache.h>
#include <asm/mmu.h>
#include <config.h>
#include <mpc85xx.h>
/*
* TLB0 and TLB1 Entries
*
* Out of reset, TLB1's Entry 0 maps the highest 4K for CCSRBAR.
* However, CCSRBAR is then relocated to CFG_CCSRBAR right after
* these TLB entries are established.
*
* The TLB entries for DDR are dynamically setup in spd_sdram()
* and use TLB1 Entries 8 through 15 as needed according to the
* size of DDR memory.
*
* MAS0: tlbsel, esel, nv
* MAS1: valid, iprot, tid, ts, tsize
* MAS2: epn, x0, x1, w, i, m, g, e
* MAS3: rpn, u0-u3, ux, sx, uw, sw, ur, sr
*/
#define entry_start \
mflr r1 ; \
bl 0f ;
#define entry_end \
0: mflr r0 ; \
mtlr r1 ; \
blr ;
.section .bootpg, "ax"
.globl tlb1_entry
tlb1_entry:
entry_start
/*
* Number of TLB0 and TLB1 entries in the following table
*/
.long 13
#if (CFG_CCSRBAR_DEFAULT != CFG_CCSRBAR)
/*
* TLB0 4K Non-cacheable, guarded
* 0xff700000 4K Initial CCSRBAR mapping
*
* This ends up at a TLB0 Index==0 entry, and must not collide
* with other TLB0 Entries.
*/
.long FSL_BOOKE_MAS0(0, 0, 0)
.long FSL_BOOKE_MAS1(1, 0, 0, 0, 0)
.long FSL_BOOKE_MAS2(CFG_CCSRBAR_DEFAULT, (MAS2_I|MAS2_G))
.long FSL_BOOKE_MAS3(CFG_CCSRBAR_DEFAULT, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
#else
#error("Update the number of table entries in tlb1_entry")
#endif
/*
* TLB0 16K Cacheable, non-guarded
* 0xd001_0000 16K Temporary Global data for initialization
*
* Use four 4K TLB0 entries. These entries must be cacheable
* as they provide the bootstrap memory before the memory
* controler and real memory have been configured.
*
* These entries end up at TLB0 Indicies 0x10, 0x14, 0x18 and 0x1c,
* and must not collide with other TLB0 entries.
*/
.long FSL_BOOKE_MAS0(0, 0, 0)
.long FSL_BOOKE_MAS1(1, 0, 0, 0, 0)
.long FSL_BOOKE_MAS2(CFG_INIT_RAM_ADDR, 0)
.long FSL_BOOKE_MAS3(CFG_INIT_RAM_ADDR, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
.long FSL_BOOKE_MAS0(0, 0, 0)
.long FSL_BOOKE_MAS1(1, 0, 0, 0, 0)
.long FSL_BOOKE_MAS2(CFG_INIT_RAM_ADDR + 4 * 1024, 0)
.long FSL_BOOKE_MAS3(CFG_INIT_RAM_ADDR + 4 * 1024, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
.long FSL_BOOKE_MAS0(0, 0, 0)
.long FSL_BOOKE_MAS1(1, 0, 0, 0, 0)
.long FSL_BOOKE_MAS2(CFG_INIT_RAM_ADDR + 8 * 1024, 0)
.long FSL_BOOKE_MAS3(CFG_INIT_RAM_ADDR + 8 * 1024, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
.long FSL_BOOKE_MAS0(0, 0, 0)
.long FSL_BOOKE_MAS1(1, 0, 0, 0, 0)
.long FSL_BOOKE_MAS2(CFG_INIT_RAM_ADDR + 12 * 1024, 0)
.long FSL_BOOKE_MAS3(CFG_INIT_RAM_ADDR + 12 * 1024, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
/*
* TLB 0: 64M Non-cacheable, guarded
* 0xfc000000 64M FLASH (8,16,32 or 64 MB)
* Out of reset this entry is only 4K.
*/
.long FSL_BOOKE_MAS0(1, 0, 0)
.long FSL_BOOKE_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_64M)
.long FSL_BOOKE_MAS2(0xfc000000, (MAS2_I|MAS2_G))
.long FSL_BOOKE_MAS3(0xfc000000, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
/*
* TLB 1: 256M Non-cacheable, guarded
* 0x80000000 256M PCI1 MEM First half
*/
.long FSL_BOOKE_MAS0(1, 1, 0)
.long FSL_BOOKE_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M)
.long FSL_BOOKE_MAS2(CFG_PCI1_MEM_PHYS, (MAS2_I|MAS2_G))
.long FSL_BOOKE_MAS3(CFG_PCI1_MEM_PHYS, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
/*
* TLB 2: 256M Non-cacheable, guarded
* 0x90000000 256M PCI1 MEM Second half
*/
.long FSL_BOOKE_MAS0(1, 2, 0)
.long FSL_BOOKE_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M)
.long FSL_BOOKE_MAS2(CFG_PCI1_MEM_PHYS + 0x10000000, (MAS2_I|MAS2_G))
.long FSL_BOOKE_MAS3(CFG_PCI1_MEM_PHYS + 0x10000000, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
/*
* TLB 3: 256M Non-cacheable, guarded
* 0xc0000000 256M Rapid IO MEM First half
*/
.long FSL_BOOKE_MAS0(1, 3, 0)
.long FSL_BOOKE_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M)
.long FSL_BOOKE_MAS2(CFG_RIO_MEM_BASE, (MAS2_I|MAS2_G))
.long FSL_BOOKE_MAS3(CFG_RIO_MEM_BASE, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
/*
* TLB 4: 256M Non-cacheable, guarded
* 0xd0000000 256M Rapid IO MEM Second half
*/
.long FSL_BOOKE_MAS0(1, 4, 0)
.long FSL_BOOKE_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M)
.long FSL_BOOKE_MAS2(CFG_RIO_MEM_BASE + 0x10000000, (MAS2_I|MAS2_G))
.long FSL_BOOKE_MAS3(CFG_RIO_MEM_BASE + 0x10000000, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
/*
* TLB 5: 64M Non-cacheable, guarded
* 0xe000_0000 1M CCSRBAR
* 0xe200_0000 16M PCI1 IO
*/
.long FSL_BOOKE_MAS0(1, 5, 0)
.long FSL_BOOKE_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_64M)
.long FSL_BOOKE_MAS2(CFG_CCSRBAR, (MAS2_I|MAS2_G))
.long FSL_BOOKE_MAS3(CFG_CCSRBAR, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
/*
* TLB 6: 64M Cacheable, non-guarded
* 0xf000_0000 64M LBC SDRAM
*/
.long FSL_BOOKE_MAS0(1, 6, 0)
.long FSL_BOOKE_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_64M)
.long FSL_BOOKE_MAS2(CFG_LBC_SDRAM_BASE, 0)
.long FSL_BOOKE_MAS3(CFG_LBC_SDRAM_BASE, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
#if !defined(CONFIG_SPD_EEPROM)
/*
* TLB 7: 256M DDR
* 0x00000000 256M DDR System memory
* Without SPD EEPROM configured DDR, this must be setup manually.
* Make sure the TLB count at the top of this table is correct.
* Likely it needs to be increased by two for these entries.
*/
.long FSL_BOOKE_MAS0(1, 7, 0)
.long FSL_BOOKE_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M)
.long FSL_BOOKE_MAS2(CFG_DDR_SDRAM_BASE, 0)
.long FSL_BOOKE_MAS3(CFG_DDR_SDRAM_BASE, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
#endif
entry_end

117
board/pm854/tlb.c Normal file
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@ -0,0 +1,117 @@
/*
* Copyright 2008 Freescale Semiconductor, Inc.
*
* (C) Copyright 2000
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* 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 program is distributed in the hope that 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 <common.h>
#include <asm/mmu.h>
struct fsl_e_tlb_entry tlb_table[] = {
/* TLB 0 - for temp stack in cache */
SET_TLB_ENTRY(0, CFG_INIT_RAM_ADDR, CFG_INIT_RAM_ADDR,
MAS3_SX|MAS3_SW|MAS3_SR, 0,
0, 0, BOOKE_PAGESZ_4K, 0),
SET_TLB_ENTRY(0, CFG_INIT_RAM_ADDR + 4 * 1024 , CFG_INIT_RAM_ADDR + 4 * 1024,
MAS3_SX|MAS3_SW|MAS3_SR, 0,
0, 0, BOOKE_PAGESZ_4K, 0),
SET_TLB_ENTRY(0, CFG_INIT_RAM_ADDR + 8 * 1024 , CFG_INIT_RAM_ADDR + 8 * 1024,
MAS3_SX|MAS3_SW|MAS3_SR, 0,
0, 0, BOOKE_PAGESZ_4K, 0),
SET_TLB_ENTRY(0, CFG_INIT_RAM_ADDR + 12 * 1024 , CFG_INIT_RAM_ADDR + 12 * 1024,
MAS3_SX|MAS3_SW|MAS3_SR, 0,
0, 0, BOOKE_PAGESZ_4K, 0),
/*
* TLB 0: 64M Non-cacheable, guarded
* 0xfc000000 64M FLASH (8,16,32 or 64 MB)
* Out of reset this entry is only 4K.
*/
SET_TLB_ENTRY(1, 0xfc000000, 0xfc000000,
MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
0, 0, BOOKE_PAGESZ_16M, 1),
/*
* TLB 1: 256M Non-cacheable, guarded
* 0x80000000 256M PCI1 MEM First half
*/
SET_TLB_ENTRY(1, CFG_PCI1_MEM_PHYS, CFG_PCI1_MEM_PHYS,
MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
0, 1, BOOKE_PAGESZ_256M, 1),
/*
* TLB 2: 256M Non-cacheable, guarded
* 0x90000000 256M PCI1 MEM Second half
*/
SET_TLB_ENTRY(1, CFG_PCI1_MEM_PHYS + 0x10000000, CFG_PCI1_MEM_PHYS + 0x10000000,
MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
0, 2, BOOKE_PAGESZ_256M, 1),
/*
* TLB 3: 256M Non-cacheable, guarded
* 0xc0000000 256M Rapid IO MEM First half
*/
SET_TLB_ENTRY(1, CFG_RIO_MEM_BASE, CFG_RIO_MEM_BASE,
MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
0, 3, BOOKE_PAGESZ_256M, 1),
/*
* TLB 4: 256M Non-cacheable, guarded
* 0xd0000000 256M Rapid IO MEM Second half
*/
SET_TLB_ENTRY(1, CFG_RIO_MEM_BASE + 0x10000000, CFG_RIO_MEM_BASE + 0x10000000,
MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
0, 4, BOOKE_PAGESZ_256M, 1),
/*
* TLB 5: 64M Non-cacheable, guarded
* 0xe000_0000 1M CCSRBAR
* 0xe200_0000 16M PCI1 IO
*/
SET_TLB_ENTRY(1, CFG_CCSRBAR, CFG_CCSRBAR,
MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
0, 5, BOOKE_PAGESZ_64M, 1),
/*
* TLB 6: 64M Cacheable, non-guarded
* 0xf000_0000 64M LBC SDRAM
*/
SET_TLB_ENTRY(1, CFG_LBC_SDRAM_BASE, CFG_LBC_SDRAM_BASE,
MAS3_SX|MAS3_SW|MAS3_SR, 0,
0, 6, BOOKE_PAGESZ_64M, 1),
#if !defined(CONFIG_SPD_EEPROM)
/*
* TLB 7: 256M DDR
* 0x00000000 256M DDR System memory
* Without SPD EEPROM configured DDR, this must be setup manually.
* Make sure the TLB count at the top of this table is correct.
* Likely it needs to be increased by two for these entries.
*/
SET_TLB_ENTRY(1, CFG_DDR_SDRAM_BASE, CFG_DDR_SDRAM_BASE,
MAS3_SX|MAS3_SW|MAS3_SR, 0,
0, 7, BOOKE_PAGESZ_256M, 1),
#endif
};
int num_tlb_entries = ARRAY_SIZE(tlb_table);

2
board/pm854/u-boot.lds
View File

@ -35,7 +35,6 @@ SECTIONS
.bootpg 0xFFFFF000 :
{
cpu/mpc85xx/start.o (.bootpg)
board/pm854/init.o (.bootpg)
} = 0xffff
/* Read-only sections, merged into text segment: */
@ -65,7 +64,6 @@ SECTIONS
.text :
{
cpu/mpc85xx/start.o (.text)
board/pm854/init.o (.text)
cpu/mpc85xx/traps.o (.text)
cpu/mpc85xx/interrupts.o (.text)
cpu/mpc85xx/cpu_init.o (.text)

3
board/pm856/Makefile
View File

@ -25,8 +25,7 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(BOARD).a
COBJS := $(BOARD).o law.o
SOBJS := init.o
COBJS := $(BOARD).o law.o tlb.o
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS))

198
board/pm856/init.S
View File

@ -1,198 +0,0 @@
/*
* Copyright 2004 Freescale Semiconductor.
* Copyright (C) 2002,2003, Motorola Inc.
* Xianghua Xiao <X.Xiao@motorola.com>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* 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 program is distributed in the hope that 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 <ppc_asm.tmpl>
#include <ppc_defs.h>
#include <asm/cache.h>
#include <asm/mmu.h>
#include <config.h>
#include <mpc85xx.h>
/*
* TLB0 and TLB1 Entries
*
* Out of reset, TLB1's Entry 0 maps the highest 4K for CCSRBAR.
* However, CCSRBAR is then relocated to CFG_CCSRBAR right after
* these TLB entries are established.
*
* The TLB entries for DDR are dynamically setup in spd_sdram()
* and use TLB1 Entries 8 through 15 as needed according to the
* size of DDR memory.
*
* MAS0: tlbsel, esel, nv
* MAS1: valid, iprot, tid, ts, tsize
* MAS2: epn, x0, x1, w, i, m, g, e
* MAS3: rpn, u0-u3, ux, sx, uw, sw, ur, sr
*/
#define entry_start \
mflr r1 ; \
bl 0f ;
#define entry_end \
0: mflr r0 ; \
mtlr r1 ; \
blr ;
.section .bootpg, "ax"
.globl tlb1_entry
tlb1_entry:
entry_start
/*
* Number of TLB0 and TLB1 entries in the following table
*/
.long 13
#if (CFG_CCSRBAR_DEFAULT != CFG_CCSRBAR)
/*
* TLB0 4K Non-cacheable, guarded
* 0xff700000 4K Initial CCSRBAR mapping
*
* This ends up at a TLB0 Index==0 entry, and must not collide
* with other TLB0 Entries.
*/
.long FSL_BOOKE_MAS0(0, 0, 0)
.long FSL_BOOKE_MAS1(1, 0, 0, 0, 0)
.long FSL_BOOKE_MAS2(CFG_CCSRBAR_DEFAULT, (MAS2_I|MAS2_G))
.long FSL_BOOKE_MAS3(CFG_CCSRBAR_DEFAULT, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
#else
#error("Update the number of table entries in tlb1_entry")
#endif
/*
* TLB0 16K Cacheable, non-guarded
* 0xd001_0000 16K Temporary Global data for initialization
*
* Use four 4K TLB0 entries. These entries must be cacheable
* as they provide the bootstrap memory before the memory
* controler and real memory have been configured.
*
* These entries end up at TLB0 Indicies 0x10, 0x14, 0x18 and 0x1c,
* and must not collide with other TLB0 entries.
*/
.long FSL_BOOKE_MAS0(0, 0, 0)
.long FSL_BOOKE_MAS1(1, 0, 0, 0, 0)
.long FSL_BOOKE_MAS2(CFG_INIT_RAM_ADDR, 0)
.long FSL_BOOKE_MAS3(CFG_INIT_RAM_ADDR, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
.long FSL_BOOKE_MAS0(0, 0, 0)
.long FSL_BOOKE_MAS1(1, 0, 0, 0, 0)
.long FSL_BOOKE_MAS2(CFG_INIT_RAM_ADDR + 4 * 1024, 0)
.long FSL_BOOKE_MAS3(CFG_INIT_RAM_ADDR + 4 * 1024, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
.long FSL_BOOKE_MAS0(0, 0, 0)
.long FSL_BOOKE_MAS1(1, 0, 0, 0, 0)
.long FSL_BOOKE_MAS2(CFG_INIT_RAM_ADDR + 8 * 1024, 0)
.long FSL_BOOKE_MAS3(CFG_INIT_RAM_ADDR + 8 * 1024, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
.long FSL_BOOKE_MAS0(0, 0, 0)
.long FSL_BOOKE_MAS1(1, 0, 0, 0, 0)
.long FSL_BOOKE_MAS2(CFG_INIT_RAM_ADDR + 12 * 1024, 0)
.long FSL_BOOKE_MAS3(CFG_INIT_RAM_ADDR + 12 * 1024, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
/*
* TLB 0: 64M Non-cacheable, guarded
* 0xfc000000 64M FLASH (8,16,32 or 64 MB)
* Out of reset this entry is only 4K.
*/
.long FSL_BOOKE_MAS0(1, 0, 0)
.long FSL_BOOKE_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_64M)
.long FSL_BOOKE_MAS2(0xfc000000, (MAS2_I|MAS2_G))
.long FSL_BOOKE_MAS3(0xfc000000, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
/*
* TLB 1: 256M Non-cacheable, guarded
* 0x80000000 256M PCI1 MEM First half
*/
.long FSL_BOOKE_MAS0(1, 1, 0)
.long FSL_BOOKE_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M)
.long FSL_BOOKE_MAS2(CFG_PCI1_MEM_PHYS, (MAS2_I|MAS2_G))
.long FSL_BOOKE_MAS3(CFG_PCI1_MEM_PHYS, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
/*
* TLB 2: 256M Non-cacheable, guarded
* 0x90000000 256M PCI1 MEM Second half
*/
.long FSL_BOOKE_MAS0(1, 2, 0)
.long FSL_BOOKE_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M)
.long FSL_BOOKE_MAS2(CFG_PCI1_MEM_PHYS + 0x10000000, (MAS2_I|MAS2_G))
.long FSL_BOOKE_MAS3(CFG_PCI1_MEM_PHYS + 0x10000000, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
/*
* TLB 3: 256M Non-cacheable, guarded
* 0xc0000000 256M Rapid IO MEM First half
*/
.long FSL_BOOKE_MAS0(1, 3, 0)
.long FSL_BOOKE_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M)
.long FSL_BOOKE_MAS2(CFG_RIO_MEM_BASE, (MAS2_I|MAS2_G))
.long FSL_BOOKE_MAS3(CFG_RIO_MEM_BASE, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
/*
* TLB 4: 256M Non-cacheable, guarded
* 0xd0000000 256M Rapid IO MEM Second half
*/
.long FSL_BOOKE_MAS0(1, 4, 0)
.long FSL_BOOKE_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M)
.long FSL_BOOKE_MAS2(CFG_RIO_MEM_BASE + 0x10000000, (MAS2_I|MAS2_G))
.long FSL_BOOKE_MAS3(CFG_RIO_MEM_BASE + 0x10000000, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
/*
* TLB 5: 64M Non-cacheable, guarded
* 0xe000_0000 1M CCSRBAR
* 0xe200_0000 16M PCI1 IO
*/
.long FSL_BOOKE_MAS0(1, 5, 0)
.long FSL_BOOKE_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_64M)
.long FSL_BOOKE_MAS2(CFG_CCSRBAR, (MAS2_I|MAS2_G))
.long FSL_BOOKE_MAS3(CFG_CCSRBAR, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
/*
* TLB 6: 64M Cacheable, non-guarded
* 0xf000_0000 64M LBC SDRAM
*/
.long FSL_BOOKE_MAS0(1, 6, 0)
.long FSL_BOOKE_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_64M)
.long FSL_BOOKE_MAS2(CFG_LBC_SDRAM_BASE, 0)
.long FSL_BOOKE_MAS3(CFG_LBC_SDRAM_BASE, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
#if !defined(CONFIG_SPD_EEPROM)
/*
* TLB 7: 256M DDR
* 0x00000000 256M DDR System memory
* Without SPD EEPROM configured DDR, this must be setup manually.
* Make sure the TLB count at the top of this table is correct.
* Likely it needs to be increased by two for these entries.
*/
.long FSL_BOOKE_MAS0(1, 7, 0)
.long FSL_BOOKE_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M)
.long FSL_BOOKE_MAS2(CFG_DDR_SDRAM_BASE, 0)
.long FSL_BOOKE_MAS3(CFG_DDR_SDRAM_BASE, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
#endif
entry_end

117
board/pm856/tlb.c Normal file
View File

@ -0,0 +1,117 @@
/*
* Copyright 2008 Freescale Semiconductor, Inc.
*
* (C) Copyright 2000
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* 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 program is distributed in the hope that 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 <common.h>
#include <asm/mmu.h>
struct fsl_e_tlb_entry tlb_table[] = {
/* TLB 0 - for temp stack in cache */
SET_TLB_ENTRY(0, CFG_INIT_RAM_ADDR, CFG_INIT_RAM_ADDR,
MAS3_SX|MAS3_SW|MAS3_SR, 0,
0, 0, BOOKE_PAGESZ_4K, 0),
SET_TLB_ENTRY(0, CFG_INIT_RAM_ADDR + 4 * 1024 , CFG_INIT_RAM_ADDR + 4 * 1024,
MAS3_SX|MAS3_SW|MAS3_SR, 0,
0, 0, BOOKE_PAGESZ_4K, 0),
SET_TLB_ENTRY(0, CFG_INIT_RAM_ADDR + 8 * 1024 , CFG_INIT_RAM_ADDR + 8 * 1024,
MAS3_SX|MAS3_SW|MAS3_SR, 0,
0, 0, BOOKE_PAGESZ_4K, 0),
SET_TLB_ENTRY(0, CFG_INIT_RAM_ADDR + 12 * 1024 , CFG_INIT_RAM_ADDR + 12 * 1024,
MAS3_SX|MAS3_SW|MAS3_SR, 0,
0, 0, BOOKE_PAGESZ_4K, 0),
/*
* TLB 0: 64M Non-cacheable, guarded
* 0xfc000000 64M FLASH (8,16,32 or 64 MB)
* Out of reset this entry is only 4K.
*/
SET_TLB_ENTRY(1, 0xfc000000, 0xfc000000,
MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
0, 0, BOOKE_PAGESZ_16M, 1),
/*
* TLB 1: 256M Non-cacheable, guarded
* 0x80000000 256M PCI1 MEM First half
*/
SET_TLB_ENTRY(1, CFG_PCI1_MEM_PHYS, CFG_PCI1_MEM_PHYS,
MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
0, 1, BOOKE_PAGESZ_256M, 1),
/*
* TLB 2: 256M Non-cacheable, guarded
* 0x90000000 256M PCI1 MEM Second half
*/
SET_TLB_ENTRY(1, CFG_PCI1_MEM_PHYS + 0x10000000, CFG_PCI1_MEM_PHYS + 0x10000000,
MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
0, 2, BOOKE_PAGESZ_256M, 1),
/*
* TLB 3: 256M Non-cacheable, guarded
* 0xc0000000 256M Rapid IO MEM First half
*/
SET_TLB_ENTRY(1, CFG_RIO_MEM_BASE, CFG_RIO_MEM_BASE,
MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
0, 3, BOOKE_PAGESZ_256M, 1),
/*
* TLB 4: 256M Non-cacheable, guarded
* 0xd0000000 256M Rapid IO MEM Second half
*/
SET_TLB_ENTRY(1, CFG_RIO_MEM_BASE + 0x10000000, CFG_RIO_MEM_BASE + 0x10000000,
MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
0, 4, BOOKE_PAGESZ_256M, 1),
/*
* TLB 5: 64M Non-cacheable, guarded
* 0xe000_0000 1M CCSRBAR
* 0xe200_0000 16M PCI1 IO
*/
SET_TLB_ENTRY(1, CFG_CCSRBAR, CFG_CCSRBAR,
MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
0, 5, BOOKE_PAGESZ_64M, 1),
/*
* TLB 6: 64M Cacheable, non-guarded
* 0xf000_0000 64M LBC SDRAM
*/
SET_TLB_ENTRY(1, CFG_LBC_SDRAM_BASE, CFG_LBC_SDRAM_BASE,
MAS3_SX|MAS3_SW|MAS3_SR, 0,
0, 6, BOOKE_PAGESZ_64M, 1),
#if !defined(CONFIG_SPD_EEPROM)
/*
* TLB 7: 256M DDR
* 0x00000000 256M DDR System memory
* Without SPD EEPROM configured DDR, this must be setup manually.
* Make sure the TLB count at the top of this table is correct.
* Likely it needs to be increased by two for these entries.
*/
SET_TLB_ENTRY(1, CFG_DDR_SDRAM_BASE, CFG_DDR_SDRAM_BASE,
MAS3_SX|MAS3_SW|MAS3_SR, 0,
0, 7, BOOKE_PAGESZ_256M, 1),
#endif
};
int num_tlb_entries = ARRAY_SIZE(tlb_table);

2
board/pm856/u-boot.lds
View File

@ -36,7 +36,6 @@ SECTIONS
.bootpg 0xFFFFF000 :
{
cpu/mpc85xx/start.o (.bootpg)
board/pm856/init.o (.bootpg)
} = 0xffff
/* Read-only sections, merged into text segment: */
@ -66,7 +65,6 @@ SECTIONS
.text :
{
cpu/mpc85xx/start.o (.text)
board/pm856/init.o (.text)
cpu/mpc85xx/traps.o (.text)
cpu/mpc85xx/interrupts.o (.text)
cpu/mpc85xx/cpu_init.o (.text)

1
include/configs/PM854.h
View File

@ -52,6 +52,7 @@
#define CONFIG_MEM_INIT_VALUE 0xDEADBEEF
#define CONFIG_FSL_LAW 1 /* Use common FSL init code */
#define CONFIG_FSL_INIT_TLBS 1 /* Use common FSL init code */
/*
* sysclk for MPC85xx

1
include/configs/PM856.h
View File

@ -52,6 +52,7 @@
#define CONFIG_MEM_INIT_VALUE 0xDEADBEEF
#define CONFIG_FSL_LAW 1 /* Use common FSL init code */
#define CONFIG_FSL_INIT_TLBS 1 /* Use common FSL init code */
/*
* sysclk for MPC85xx