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-rw-r--r--board/atum8548/Makefile4
-rw-r--r--board/atum8548/init.S235
-rw-r--r--board/atum8548/law.c61
-rw-r--r--board/atum8548/tlb.c90
-rw-r--r--board/atum8548/u-boot.lds2
5 files changed, 152 insertions, 240 deletions
diff --git a/board/atum8548/Makefile b/board/atum8548/Makefile
index e198062..ac4e5838 100644
--- a/board/atum8548/Makefile
+++ b/board/atum8548/Makefile
@@ -29,9 +29,7 @@ endif
LIB = $(obj)lib$(BOARD).a
-COBJS := $(BOARD).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/atum8548/init.S b/board/atum8548/init.S
deleted file mode 100644
index 654a569..0000000
--- a/board/atum8548/init.S
+++ /dev/null
@@ -1,235 +0,0 @@
-/*
- * Copyright 2007
- * Robert Lazarski, Instituto Atlantico, robertlazarski@gmail.com
- * Copyright 2004, 2007 Freescale Semiconductor.
- * Copyright 2002,2003, Motorola Inc.
- *
- * 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>
-
-#define LAWAR_TRGT_PCI1 0x00000000
-#define LAWAR_TRGT_PCI2 0x00100000
-#define LAWAR_TRGT_PCIE 0x00200000
-#define LAWAR_TRGT_DDR 0x00f00000
-
-/*
- * 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 (2f-1f)/16
-
-1:
-#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, guarded
- * 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, MAS2_G)
- .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, MAS2_G)
- .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, MAS2_G)
- .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, MAS2_G)
- .long FSL_BOOKE_MAS3(CFG_INIT_RAM_ADDR + 12 * 1024, 0,
- (MAS3_SX|MAS3_SW|MAS3_SR))
-
- /* TLB 1 Initializations */
- /*
- * TLB 0, 1: 128M Non-cacheable, guarded
- * 0xf8000000 128M FLASH
- * 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(CFG_FLASH_BASE + 0x4000000, (MAS2_I|MAS2_G))
- .long FSL_BOOKE_MAS3(CFG_FLASH_BASE + 0x4000000, 0,
- (MAS3_SX|MAS3_SW|MAS3_SR))
-
- .long FSL_BOOKE_MAS0(1, 1, 0)
- .long FSL_BOOKE_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_64M)
- .long FSL_BOOKE_MAS2(CFG_FLASH_BASE, (MAS2_I|MAS2_G))
- .long FSL_BOOKE_MAS3(CFG_FLASH_BASE, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
-
- /*
- * TLB 2: 1G Non-cacheable, guarded
- * 0x80000000 1G PCI1/PCIE 8,9,a,b
- */
- .long FSL_BOOKE_MAS0(1, 2, 0)
- .long FSL_BOOKE_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_1G)
- .long FSL_BOOKE_MAS2(CFG_PCI_PHYS, (MAS2_I|MAS2_G))
- .long FSL_BOOKE_MAS3(CFG_PCI_PHYS, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
-
- /*
- * TLB 3, 4: 512M Non-cacheable, guarded
- * 0xc0000000 1G PCI2
- */
- .long FSL_BOOKE_MAS0(1, 3, 0)
- .long FSL_BOOKE_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M)
- .long FSL_BOOKE_MAS2(CFG_PCI2_MEM_PHYS, (MAS2_I|MAS2_G))
- .long FSL_BOOKE_MAS3(CFG_PCI2_MEM_PHYS, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
-
- .long FSL_BOOKE_MAS0(1, 4, 0)
- .long FSL_BOOKE_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M)
- .long FSL_BOOKE_MAS2(CFG_PCI2_MEM_PHYS + 0x10000000, (MAS2_I|MAS2_G))
- .long FSL_BOOKE_MAS3(CFG_PCI2_MEM_PHYS + 0x10000000, 0,
- (MAS3_SX|MAS3_SW|MAS3_SR))
-
- /*
- * TLB 5: 64M Non-cacheable, guarded
- * 0xe000_0000 1M CCSRBAR
- * 0xe200_0000 1M PCI1 IO
- * 0xe210_0000 1M PCI2 IO
- * 0xe300_0000 1M PCIe 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))
-
-2:
- entry_end
-
-/*
- * LAW(Local Access Window) configuration:
- *
- * 0x0000_0000 0x7fff_ffff DDR 2G
- * 0x8000_0000 0x9fff_ffff PCI1 MEM 512M
- * 0xa000_0000 0xbfff_ffff PCIe MEM 512M
- * 0xc000_0000 0xdfff_ffff PCI2 MEM 512M
- * 0xe000_0000 0xe000_ffff CCSR 1M
- * 0xe200_0000 0xe10f_ffff PCI1 IO 1M
- * 0xe280_0000 0xe20f_ffff PCI2 IO 1M
- * 0xe300_0000 0xe30f_ffff PCIe IO 1M
- * 0xf800_0000 0xffff_ffff FLASH (boot bank) 128M
- *
- * Notes:
- * CCSRBAR and L2-as-SRAM don't need a configured Local Access Window.
- * If flash is 8M at default position (last 8M), no LAW needed.
- *
- * LAW 0 is reserved for boot mapping
- */
-
- .section .bootpg, "ax"
- .globl law_entry
-law_entry:
- entry_start
-
- .long (4f-3f)/8
-3:
- .long 0
- .long (LAWAR_TRGT_DDR | (LAWAR_SIZE & LAWAR_SIZE_1G)) & ~LAWAR_EN
-
- .long (CFG_PCI1_MEM_PHYS>>12) & 0xfffff
- .long LAWAR_EN | LAWAR_TRGT_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_512M)
-
- .long (CFG_PCI1_IO_PHYS>>12) & 0xfffff
- .long LAWAR_EN | LAWAR_TRGT_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_1M)
-
- .long (CFG_PCI2_MEM_PHYS>>12) & 0xfffff
- .long LAWAR_EN | LAWAR_TRGT_PCI2 | (LAWAR_SIZE & LAWAR_SIZE_512M)
-
- .long (CFG_PCI2_IO_PHYS>>12) & 0xfffff
- .long LAWAR_EN | LAWAR_TRGT_PCI2 | (LAWAR_SIZE & LAWAR_SIZE_1M)
-
- .long (CFG_PCIE1_MEM_PHYS>>12) & 0xfffff
- .long LAWAR_EN | LAWAR_TRGT_PCIE | (LAWAR_SIZE & LAWAR_SIZE_512M)
-
- .long (CFG_PCIE1_IO_PHYS>>12) & 0xfffff
- .long LAWAR_EN | LAWAR_TRGT_PCIE | (LAWAR_SIZE & LAWAR_SIZE_1M)
-
- /* LBC window - maps 256M 0xf0000000 -> 0xffffffff */
- .long (CFG_LBC_CACHE_BASE>>12) & 0xfffff
- .long LAWAR_EN | LAWAR_TRGT_IF_LBC | (LAWAR_SIZE & LAWAR_SIZE_256M)
-
-4:
- entry_end
diff --git a/board/atum8548/law.c b/board/atum8548/law.c
new file mode 100644
index 0000000..3606cbb
--- /dev/null
+++ b/board/atum8548/law.c
@@ -0,0 +1,61 @@
+/*
+ * 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/fsl_law.h>
+#include <asm/mmu.h>
+
+/*
+ * LAW(Local Access Window) configuration:
+ *
+ * 0x0000_0000 0x7fff_ffff DDR 2G
+ * 0x8000_0000 0x9fff_ffff PCI1 MEM 512M
+ * 0xa000_0000 0xbfff_ffff PCIe MEM 512M
+ * 0xc000_0000 0xdfff_ffff PCI2 MEM 512M
+ * 0xe000_0000 0xe000_ffff CCSR 1M
+ * 0xe200_0000 0xe10f_ffff PCI1 IO 1M
+ * 0xe280_0000 0xe20f_ffff PCI2 IO 1M
+ * 0xe300_0000 0xe30f_ffff PCIe IO 1M
+ * 0xf800_0000 0xffff_ffff FLASH (boot bank) 128M
+ *
+ * Notes:
+ * CCSRBAR and L2-as-SRAM don't need a configured Local Access Window.
+ * If flash is 8M at default position (last 8M), no LAW needed.
+ *
+ * LAW 0 is reserved for boot mapping
+ */
+
+struct law_entry law_table[] = {
+ SET_LAW_ENTRY(2, CFG_PCI1_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_PCI_1),
+ SET_LAW_ENTRY(3, CFG_PCI1_IO_PHYS, LAWAR_SIZE_1M, LAW_TRGT_IF_PCI_1),
+ SET_LAW_ENTRY(4, CFG_PCI2_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_PCI_2),
+ SET_LAW_ENTRY(5, CFG_PCI2_IO_PHYS, LAW_SIZE_1M, LAW_TRGT_IF_PCI_2),
+ SET_LAW_ENTRY(6, CFG_PCIE1_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_PCIE_1),
+ SET_LAW_ENTRY(7, CFG_PCIE1_IO_PHYS, LAW_SIZE_1M, LAW_TRGT_IF_PCIE_1),
+ /* LBC window - maps 256M 0xf0000000 -> 0xffffffff */
+ SET_LAW_ENTRY(8, CFG_LBC_CACHE_BASE, LAW_SIZE_256M, LAW_TRGT_IF_LBC),
+};
+
+int num_law_entries = ARRAY_SIZE(law_table);
diff --git a/board/atum8548/tlb.c b/board/atum8548/tlb.c
new file mode 100644
index 0000000..bb6ce76
--- /dev/null
+++ b/board/atum8548/tlb.c
@@ -0,0 +1,90 @@
+/*
+ * 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 1 Initializations */
+ /*
+ * TLB 0, 1: 128M Non-cacheable, guarded
+ * 0xf8000000 128M FLASH
+ * Out of reset this entry is only 4K.
+ */
+ SET_TLB_ENTRY(1, CFG_FLASH_BASE + 0x4000000, CFG_FLASH_BASE + 0x4000000,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 0, BOOKE_PAGESZ_64M, 1),
+
+ SET_TLB_ENTRY(1, CFG_FLASH_BASE, CFG_FLASH_BASE,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 1, BOOKE_PAGESZ_64M, 1),
+
+ /*
+ * TLB 2: 1G Non-cacheable, guarded
+ * 0x80000000 1G PCI1/PCIE 8,9,a,b
+ */
+ SET_TLB_ENTRY(1, CFG_PCI_PHYS, CFG_PCI_PHYS,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 2, BOOKE_PAGESZ_1G, 1),
+
+ /*
+ * TLB 3, 4: 512M Non-cacheable, guarded
+ * 0xc0000000 1G PCI2
+ */
+ SET_TLB_ENTRY(1, CFG_PCI2_MEM_PHYS, CFG_PCI2_MEM_PHYS,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 3, BOOKE_PAGESZ_256M, 1),
+
+ SET_TLB_ENTRY(1, CFG_PCI2_MEM_PHYS + 0x10000000, CFG_PCI2_MEM_PHYS + 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 1M PCI1 IO
+ * 0xe210_0000 1M PCI2 IO
+ * 0xe300_0000 1M PCIe 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),
+};
+
+int num_tlb_entries = ARRAY_SIZE(tlb_table);
diff --git a/board/atum8548/u-boot.lds b/board/atum8548/u-boot.lds
index 0d1c217..3f04cae 100644
--- a/board/atum8548/u-boot.lds
+++ b/board/atum8548/u-boot.lds
@@ -34,7 +34,6 @@ SECTIONS
.bootpg 0xFFFFF000 :
{
cpu/mpc85xx/start.o (.bootpg)
- board/atum8548/init.o (.bootpg)
} = 0xffff
/* Read-only sections, merged into text segment: */
@@ -64,7 +63,6 @@ SECTIONS
.text :
{
cpu/mpc85xx/start.o (.text)
- board/atum8548/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 2024-12-14 17:25:56 +0000