summaryrefslogtreecommitdiff
path: root/board/cds/mpc8548cds/init.S
diff options
context:
space:
mode:
Diffstat (limited to 'board/cds/mpc8548cds/init.S')
-rw-r--r--board/cds/mpc8548cds/init.S162
1 files changed, 82 insertions, 80 deletions
diff --git a/board/cds/mpc8548cds/init.S b/board/cds/mpc8548cds/init.S
index d468f5b61..72940b035 100644
--- a/board/cds/mpc8548cds/init.S
+++ b/board/cds/mpc8548cds/init.S
@@ -1,5 +1,5 @@
/*
- * Copyright 2004 Freescale Semiconductor.
+ * Copyright 2004, 2007 Freescale Semiconductor.
* Copyright 2002,2003, Motorola Inc.
*
* See file CREDITS for list of people who contributed to this
@@ -28,6 +28,12 @@
#include <config.h>
#include <mpc85xx.h>
+#define LAWAR_TRGT_PCI1 0x00000000
+#define LAWAR_TRGT_PCI2 0x00100000
+#define LAWAR_TRGT_PCIE 0x00200000
+#define LAWAR_TRGT_RIO 0x00c00000
+#define LAWAR_TRGT_LBC 0x00400000
+#define LAWAR_TRGT_DDR 0x00f00000
/*
* TLB0 and TLB1 Entries
@@ -47,8 +53,8 @@
*/
#define entry_start \
- mflr r1 ; \
- bl 0f ;
+ mflr r1 ; \
+ bl 0f ;
#define entry_end \
0: mflr r0 ; \
@@ -84,8 +90,8 @@ tlb1_entry:
#endif
/*
- * TLB0 16K Cacheable, non-guarded
- * 0xd001_0000 16K Temporary Global data for initialization
+ * 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
@@ -97,28 +103,28 @@ tlb1_entry:
.long TLB1_MAS0(0, 0, 0)
.long TLB1_MAS1(1, 0, 0, 0, 0)
.long TLB1_MAS2(E500_TLB_EPN(CFG_INIT_RAM_ADDR),
- 0,0,0,0,0,0,0,0)
+ 0,0,0,0,0,0,1,0)
.long TLB1_MAS3(E500_TLB_RPN(CFG_INIT_RAM_ADDR),
0,0,0,0,0,1,0,1,0,1)
.long TLB1_MAS0(0, 0, 0)
.long TLB1_MAS1(1, 0, 0, 0, 0)
.long TLB1_MAS2(E500_TLB_EPN(CFG_INIT_RAM_ADDR + 4 * 1024),
- 0,0,0,0,0,0,0,0)
+ 0,0,0,0,0,0,1,0)
.long TLB1_MAS3(E500_TLB_RPN(CFG_INIT_RAM_ADDR + 4 * 1024),
0,0,0,0,0,1,0,1,0,1)
.long TLB1_MAS0(0, 0, 0)
.long TLB1_MAS1(1, 0, 0, 0, 0)
.long TLB1_MAS2(E500_TLB_EPN(CFG_INIT_RAM_ADDR + 8 * 1024),
- 0,0,0,0,0,0,0,0)
+ 0,0,0,0,0,0,1,0)
.long TLB1_MAS3(E500_TLB_RPN(CFG_INIT_RAM_ADDR + 8 * 1024),
0,0,0,0,0,1,0,1,0,1)
.long TLB1_MAS0(0, 0, 0)
.long TLB1_MAS1(1, 0, 0, 0, 0)
.long TLB1_MAS2(E500_TLB_EPN(CFG_INIT_RAM_ADDR + 12 * 1024),
- 0,0,0,0,0,0,0,0)
+ 0,0,0,0,0,0,1,0)
.long TLB1_MAS3(E500_TLB_RPN(CFG_INIT_RAM_ADDR + 12 * 1024),
0,0,0,0,0,1,0,1,0,1)
@@ -130,51 +136,44 @@ tlb1_entry:
*/
.long TLB1_MAS0(1, 0, 0)
.long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_16M)
- .long TLB1_MAS2(E500_TLB_EPN(CFG_FLASH_BASE), 0,0,0,0,1,0,1,0)
- .long TLB1_MAS3(E500_TLB_RPN(CFG_FLASH_BASE), 0,0,0,0,0,1,0,1,0,1)
+ .long TLB1_MAS2(E500_TLB_EPN(CFG_BOOT_BLOCK), 0,0,0,0,1,0,1,0)
+ .long TLB1_MAS3(E500_TLB_RPN(CFG_BOOT_BLOCK), 0,0,0,0,0,1,0,1,0,1)
/*
- * TLB 1: 256M Non-cacheable, guarded
- * 0x80000000 256M PCI1 MEM
+ * TLB 1: 1G Non-cacheable, guarded
+ * 0x80000000 1G PCI1/PCIE 8,9,a,b
*/
.long TLB1_MAS0(1, 1, 0)
- .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M)
- .long TLB1_MAS2(E500_TLB_EPN(CFG_PCI1_MEM_BASE), 0,0,0,0,1,0,1,0)
- .long TLB1_MAS3(E500_TLB_RPN(CFG_PCI1_MEM_BASE), 0,0,0,0,0,1,0,1,0,1)
+ .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_1G)
+ .long TLB1_MAS2(E500_TLB_EPN(CFG_PCI_PHYS), 0,0,0,0,1,0,1,0)
+ .long TLB1_MAS3(E500_TLB_RPN(CFG_PCI_PHYS), 0,0,0,0,0,1,0,1,0,1)
+#ifdef CFG_RIO_MEM_PHYS
/*
* TLB 2: 256M Non-cacheable, guarded
- * 0x90000000 256M PCI2 MEM
*/
.long TLB1_MAS0(1, 2, 0)
.long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M)
- .long TLB1_MAS2(E500_TLB_EPN(CFG_PCI2_MEM_BASE),
+ .long TLB1_MAS2(E500_TLB_EPN(CFG_RIO_MEM_PHYS),
0,0,0,0,1,0,1,0)
- .long TLB1_MAS3(E500_TLB_RPN(CFG_PCI2_MEM_BASE),
- 0,0,0,0,0,1,0,1,0,1)
+ .long TLB1_MAS3(E500_TLB_RPN(CFG_RIO_MEM_PHYS), 0,0,0,0,0,1,0,1,0,1)
/*
- * TLB 3: 1GB Non-cacheable, guarded
- * 0xa0000000 256M PEX MEM First half
- * 0xb0000000 256M PEX MEM Second half
- * 0xc0000000 256M Rapid IO MEM First half
- * 0xd0000000 256M Rapid IO MEM Second half
+ * TLB 3: 256M Non-cacheable, guarded
*/
.long TLB1_MAS0(1, 3, 0)
- .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_1G)
- .long TLB1_MAS2(E500_TLB_EPN(CFG_PEX_MEM_BASE), 0,0,0,0,1,0,1,0)
- .long TLB1_MAS3(E500_TLB_RPN(CFG_PEX_MEM_BASE), 0,0,0,0,0,1,0,1,0,1)
-
- /*
- * TLB 4: Reserved for future usage
- */
-
+ .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M)
+ .long TLB1_MAS2(E500_TLB_EPN(CFG_RIO_MEM_PHYS + 0x10000000),
+ 0,0,0,0,1,0,1,0)
+ .long TLB1_MAS3(E500_TLB_RPN(CFG_RIO_MEM_PHYS + 0x10000000),
+ 0,0,0,0,0,1,0,1,0,1)
+#endif
/*
* TLB 5: 64M Non-cacheable, guarded
* 0xe000_0000 1M CCSRBAR
- * 0xe200_0000 8M PCI1 IO
- * 0xe280_0000 8M PCI2 IO
- * 0xe300_0000 16M PEX IO
+ * 0xe200_0000 1M PCI1 IO
+ * 0xe210_0000 1M PCI2 IO
+ * 0xe300_0000 1M PCIe IO
*/
.long TLB1_MAS0(1, 5, 0)
.long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_64M)
@@ -187,17 +186,18 @@ tlb1_entry:
*/
.long TLB1_MAS0(1, 6, 0)
.long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_64M)
- .long TLB1_MAS2(E500_TLB_EPN(CFG_LBC_SDRAM_BASE), 0,0,0,0,0,0,0,0)
- .long TLB1_MAS3(E500_TLB_RPN(CFG_LBC_SDRAM_BASE), 0,0,0,0,0,1,0,1,0,1)
+ .long TLB1_MAS2(E500_TLB_EPN(CFG_LBC_CACHE_BASE), 0,0,0,0,0,0,0,0)
+ .long TLB1_MAS3(E500_TLB_RPN(CFG_LBC_CACHE_BASE), 0,0,0,0,0,1,0,1,0,1)
/*
- * TLB 7: 1M Non-cacheable, guarded
- * 0xf8000000 1M CADMUS registers
+ * TLB 7: 64M Non-cacheable, guarded
+ * 0xf8000000 64M CADMUS registers, relocated L2SRAM
*/
.long TLB1_MAS0(1, 7, 0)
- .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_1M)
- .long TLB1_MAS2(E500_TLB_EPN(CADMUS_BASE_ADDR), 0,0,0,0,1,0,1,0)
- .long TLB1_MAS3(E500_TLB_RPN(CADMUS_BASE_ADDR), 0,0,0,0,0,1,0,1,0,1)
+ .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_64M)
+ .long TLB1_MAS2(E500_TLB_EPN(CFG_LBC_NONCACHE_BASE), 0,0,0,0,1,0,1,0)
+ .long TLB1_MAS3(E500_TLB_RPN(CFG_LBC_NONCACHE_BASE), 0,0,0,0,0,1,0,1,0,1)
+
2:
entry_end
@@ -205,14 +205,13 @@ tlb1_entry:
* LAW(Local Access Window) configuration:
*
* 0x0000_0000 0x7fff_ffff DDR 2G
- * 0x8000_0000 0x8fff_ffff PCI1 MEM 256M
- * 0x9000_0000 0x9fff_ffff PCI2 MEM 256M
- * 0xa000_0000 0xbfff_ffff PEX MEM 512M
+ * 0x8000_0000 0x9fff_ffff PCI1 MEM 512M
+ * 0xa000_0000 0xbfff_ffff PCIe MEM 512M
* 0xc000_0000 0xdfff_ffff RapidIO 512M
* 0xe000_0000 0xe000_ffff CCSR 1M
- * 0xe200_0000 0xe27f_ffff PCI1 IO 8M
- * 0xe280_0000 0xe2ff_ffff PCI2 IO 8M
- * 0xe300_0000 0xe3ff_ffff PEX IO 16M
+ * 0xe200_0000 0xe10f_ffff PCI1 IO 1M
+ * 0xe280_0000 0xe20f_ffff PCI2 IO 1M
+ * 0xe300_0000 0xe30f_ffff PCIe IO 1M
* 0xf000_0000 0xf3ff_ffff SDRAM 64M
* 0xf800_0000 0xf80f_ffff NVRAM/CADMUS (*) 1M
* 0xff00_0000 0xff7f_ffff FLASH (2nd bank) 8M
@@ -222,47 +221,50 @@ tlb1_entry:
* 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.
*
- * The defines below are 1-off of the actual LAWAR0 usage.
- * So LAWAR3 define uses the LAWAR4 register in the ECM.
+ * LAW 0 is reserved for boot mapping
*/
-#define LAWBAR0 0
-#define LAWAR0 ((LAWAR_TRGT_IF_DDR | (LAWAR_SIZE & LAWAR_SIZE_128M)) & ~LAWAR_EN)
-
-#define LAWBAR1 ((CFG_PCI1_MEM_BASE>>12) & 0xfffff)
-#define LAWAR1 (LAWAR_EN | LAWAR_TRGT_IF_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_256M))
+ .section .bootpg, "ax"
+ .globl law_entry
+law_entry:
+ entry_start
-#define LAWBAR2 ((CFG_PCI2_MEM_BASE>>12) & 0xfffff)
-#define LAWAR2 (LAWAR_EN | LAWAR_TRGT_IF_PCI2 | (LAWAR_SIZE & LAWAR_SIZE_256M))
+ .long (4f-3f)/8
+3:
+ .long 0
+ .long (LAWAR_TRGT_DDR | (LAWAR_SIZE & LAWAR_SIZE_128M)) & ~LAWAR_EN
-#define LAWBAR3 ((CFG_PCI1_IO_PHYS>>12) & 0xfffff)
-#define LAWAR3 (LAWAR_EN | LAWAR_TRGT_IF_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_8M))
+#ifdef CFG_PCI1_MEM_PHYS
+ .long (CFG_PCI1_MEM_PHYS>>12) & 0xfffff
+ .long LAWAR_EN | LAWAR_TRGT_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_512M)
-#define LAWBAR4 ((CFG_PCI2_IO_PHYS>>12) & 0xfffff)
-#define LAWAR4 (LAWAR_EN | LAWAR_TRGT_IF_PCI2 | (LAWAR_SIZE & LAWAR_SIZE_8M))
+ .long (CFG_PCI1_IO_PHYS>>12) & 0xfffff
+ .long LAWAR_EN | LAWAR_TRGT_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_1M)
+#endif
-/* LBC window - maps 256M 0xf0000000 -> 0xffffffff */
-#define LAWBAR5 ((CFG_LBC_SDRAM_BASE>>12) & 0xfffff)
-#define LAWAR5 (LAWAR_EN | LAWAR_TRGT_IF_LBC | (LAWAR_SIZE & LAWAR_SIZE_256M))
+#ifdef CFG_PCI2_MEM_PHYS
+ .long (CFG_PCI2_MEM_PHYS>>12) & 0xfffff
+ .long LAWAR_EN | LAWAR_TRGT_PCI2 | (LAWAR_SIZE & LAWAR_SIZE_512M)
-#define LAWBAR6 ((CFG_PEX_MEM_BASE>>12) & 0xfffff)
-#define LAWAR6 (LAWAR_EN | LAWAR_TRGT_IF_PEX | (LAWAR_SIZE & LAWAR_SIZE_512M))
+ .long (CFG_PCI2_IO_PHYS>>12) & 0xfffff
+ .long LAWAR_EN | LAWAR_TRGT_PCI2 | (LAWAR_SIZE & LAWAR_SIZE_1M)
+#endif
-#define LAWBAR7 ((CFG_PEX_IO_PHYS>>12) & 0xfffff)
-#define LAWAR7 (LAWAR_EN | LAWAR_TRGT_IF_PEX | (LAWAR_SIZE & LAWAR_SIZE_16M))
+#ifdef CFG_PCIE1_MEM_PHYS
+ .long (CFG_PCIE1_MEM_PHYS>>12) & 0xfffff
+ .long LAWAR_EN | LAWAR_TRGT_PCIE | (LAWAR_SIZE & LAWAR_SIZE_512M)
-#define LAWBAR8 ((CFG_RIO_MEM_BASE>>12) & 0xfffff)
-#define LAWAR8 (LAWAR_EN | LAWAR_TRGT_IF_RIO | (LAWAR_SIZE & LAWAR_SIZE_512M))
+ .long (CFG_PCIE1_IO_PHYS>>12) & 0xfffff
+ .long LAWAR_EN | LAWAR_TRGT_PCIE | (LAWAR_SIZE & LAWAR_SIZE_1M)
+#endif
- .section .bootpg, "ax"
- .globl law_entry
+ /* LBC window - maps 256M 0xf0000000 -> 0xffffffff */
+ .long (CFG_LBC_CACHE_BASE>>12) & 0xfffff
+ .long LAWAR_EN | LAWAR_TRGT_LBC | (LAWAR_SIZE & LAWAR_SIZE_256M)
-law_entry:
- entry_start
- .long (4f-3f)/8
-3:
- .long LAWBAR0,LAWAR0,LAWBAR1,LAWAR1,LAWBAR2,LAWAR2,LAWBAR3,LAWAR3
- .long LAWBAR4,LAWAR4,LAWBAR5,LAWAR5,LAWBAR6,LAWAR6,LAWBAR7,LAWAR7
- .long LAWBAR8,LAWAR8
+#ifdef CFG_RIO_MEM_PHYS
+ .long (CFG_RIO_MEM_PHYS>>12) & 0xfffff
+ .long LAWAR_EN | LAWAR_TRGT_RIO | (LAWAR_SIZE & LAWAR_SIZE_512M)
+#endif
4:
entry_end
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-10-31 14:37:06 +0000