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-rw-r--r--board/pm856/Makefile3
-rw-r--r--board/pm856/init.S198
-rw-r--r--board/pm856/tlb.c117
-rw-r--r--board/pm856/u-boot.lds2
4 files changed, 118 insertions, 202 deletions
diff --git a/board/pm856/Makefile b/board/pm856/Makefile
index 0c8f470..be24388 100644
--- a/board/pm856/Makefile
+++ b/board/pm856/Makefile
@@ -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))
diff --git a/board/pm856/init.S b/board/pm856/init.S
deleted file mode 100644
index 770daa0..0000000
--- a/board/pm856/init.S
+++ /dev/null
@@ -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
diff --git a/board/pm856/tlb.c b/board/pm856/tlb.c
new file mode 100644
index 0000000..5d87537
--- /dev/null
+++ b/board/pm856/tlb.c
@@ -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);
diff --git a/board/pm856/u-boot.lds b/board/pm856/u-boot.lds
index c68f05a..6cfddea 100644
--- a/board/pm856/u-boot.lds
+++ b/board/pm856/u-boot.lds
@@ -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)
generated by cgit v1.1 at 2024-11-30 10:58:59 +0000