Merge with git://www.denx.de/git/u-boot.git
[platform/kernel/u-boot.git] / board / cds / mpc8548cds / init.S
index d468f5b..72940b0 100644 (file)
@@ -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
 #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