X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=board%2Famcc%2Fsequoia%2Finit.S;h=419ef4f9942a14df7dca2b2a6e873a4eb5653398;hb=73bb4c72407aca3c2f461708bb872a23f2b1bf5a;hp=46a37c6a20175acc01c1273ef528f7147d18b06c;hpb=40dcd6aa75ef95b490f342695f970910b82e392e;p=u-boot diff --git a/board/amcc/sequoia/init.S b/board/amcc/sequoia/init.S index 46a37c6a20..419ef4f994 100644 --- a/board/amcc/sequoia/init.S +++ b/board/amcc/sequoia/init.S @@ -21,8 +21,9 @@ * MA 02111-1307 USA */ +#include #include -#include +#include #include /* @@ -41,52 +42,59 @@ tlbtab: tlbtab_start /* vxWorks needs this as first entry for the Machine Check interrupt */ - tlbentry( 0x40000000, SZ_256M, 0, 0, AC_R|AC_W|AC_X|SA_G|SA_I ) + tlbentry( 0x40000000, SZ_256M, 0, 0, AC_RWX | SA_IG ) + /* + * The RAM-boot version skips the SDRAM TLB (identified by EPN=0). This + * entry is already configured for SDRAM via the JTAG debugger and mustn't + * be re-initialized by this RAM-booting U-Boot version. + */ +#ifndef CONFIG_SYS_RAMBOOT /* TLB-entry for DDR SDRAM (Up to 2GB) */ #ifdef CONFIG_4xx_DCACHE - tlbentry( CFG_SDRAM_BASE, SZ_256M, CFG_SDRAM_BASE, 0, AC_R|AC_W|AC_X|SA_G) + tlbentry( CONFIG_SYS_SDRAM_BASE, SZ_256M, CONFIG_SYS_SDRAM_BASE, 0, AC_RWX | SA_G) #else - tlbentry( CFG_SDRAM_BASE, SZ_256M, CFG_SDRAM_BASE, 0, AC_R|AC_W|AC_X|SA_G|SA_I ) + tlbentry( CONFIG_SYS_SDRAM_BASE, SZ_256M, CONFIG_SYS_SDRAM_BASE, 0, AC_RWX | SA_IG ) #endif +#endif /* CONFIG_SYS_RAMBOOT */ /* TLB-entry for EBC */ - tlbentry( CFG_BCSR_BASE, SZ_256M, CFG_BCSR_BASE, 1, AC_R|AC_W|AC_X|SA_G|SA_I ) + tlbentry( CONFIG_SYS_BCSR_BASE, SZ_256M, CONFIG_SYS_BCSR_BASE, 1, AC_RWX | SA_IG ) /* BOOT_CS (FLASH) must be forth. Before relocation SA_I can be off to use the * speed up boot process. It is patched after relocation to enable SA_I */ #ifndef CONFIG_NAND_SPL - tlbentry( CFG_BOOT_BASE_ADDR, SZ_256M, CFG_BOOT_BASE_ADDR, 1, AC_R|AC_W|AC_X|SA_G ) + tlbentry( CONFIG_SYS_BOOT_BASE_ADDR, SZ_256M, CONFIG_SYS_BOOT_BASE_ADDR, 1, AC_RWX | SA_G ) #else - tlbentry( CFG_NAND_BOOT_SPL_SRC, SZ_4K, CFG_NAND_BOOT_SPL_SRC, 1, AC_R|AC_W|AC_X|SA_G ) + tlbentry( CONFIG_SYS_NAND_BOOT_SPL_SRC, SZ_4K, CONFIG_SYS_NAND_BOOT_SPL_SRC, 1, AC_RWX | SA_G ) #endif -#ifdef CFG_INIT_RAM_DCACHE +#ifdef CONFIG_SYS_INIT_RAM_DCACHE /* TLB-entry for init-ram in dcache (SA_I must be turned off!) */ - tlbentry( CFG_INIT_RAM_ADDR, SZ_64K, CFG_INIT_RAM_ADDR, 0, AC_R|AC_W|AC_X|SA_G ) + tlbentry( CONFIG_SYS_INIT_RAM_ADDR, SZ_64K, CONFIG_SYS_INIT_RAM_ADDR, 0, AC_RWX | SA_G ) #endif /* TLB-entry for PCI Memory */ - tlbentry( CFG_PCI_MEMBASE, SZ_256M, CFG_PCI_MEMBASE, 1, AC_R|AC_W|SA_G|SA_I ) - tlbentry( CFG_PCI_MEMBASE1, SZ_256M, CFG_PCI_MEMBASE1, 1, AC_R|AC_W|SA_G|SA_I ) - tlbentry( CFG_PCI_MEMBASE2, SZ_256M, CFG_PCI_MEMBASE2, 1, AC_R|AC_W|SA_G|SA_I ) - tlbentry( CFG_PCI_MEMBASE3, SZ_256M, CFG_PCI_MEMBASE3, 1, AC_R|AC_W|SA_G|SA_I ) + tlbentry( CONFIG_SYS_PCI_MEMBASE, SZ_256M, CONFIG_SYS_PCI_MEMBASE, 1, AC_RW | SA_IG ) + tlbentry( CONFIG_SYS_PCI_MEMBASE1, SZ_256M, CONFIG_SYS_PCI_MEMBASE1, 1, AC_RW | SA_IG ) + tlbentry( CONFIG_SYS_PCI_MEMBASE2, SZ_256M, CONFIG_SYS_PCI_MEMBASE2, 1, AC_RW | SA_IG ) + tlbentry( CONFIG_SYS_PCI_MEMBASE3, SZ_256M, CONFIG_SYS_PCI_MEMBASE3, 1, AC_RW | SA_IG ) /* TLB-entry for NAND */ - tlbentry( CFG_NAND_ADDR, SZ_1K, CFG_NAND_ADDR, 1, AC_R|AC_W|AC_X|SA_G|SA_I ) + tlbentry( CONFIG_SYS_NAND_ADDR, SZ_1K, CONFIG_SYS_NAND_ADDR, 1, AC_RWX | SA_IG ) /* TLB-entry for Internal Registers & OCM */ - tlbentry( 0xe0000000, SZ_16M, 0xe0000000, 0, AC_R|AC_W|AC_X|SA_I ) + tlbentry( 0xe0000000, SZ_16M, 0xe0000000, 0, AC_RWX | SA_I ) /*TLB-entry PCI registers*/ - tlbentry( 0xEEC00000, SZ_1K, 0xEEC00000, 1, AC_R|AC_W|AC_X|SA_G|SA_I ) + tlbentry( 0xEEC00000, SZ_1K, 0xEEC00000, 1, AC_RWX | SA_IG ) /* TLB-entry for peripherals */ - tlbentry( 0xEF000000, SZ_16M, 0xEF000000, 1, AC_R|AC_W|AC_X|SA_G|SA_I) + tlbentry( 0xEF000000, SZ_16M, 0xEF000000, 1, AC_RWX | SA_IG) /* TLB-entry PCI IO Space - from sr@denx.de */ - tlbentry(0xE8000000, SZ_64K, 0xE8000000, 1, AC_R|AC_W|AC_X|SA_G|SA_I) + tlbentry(0xE8000000, SZ_64K, 0xE8000000, 1, AC_RWX | SA_IG) tlbtab_end @@ -95,15 +103,15 @@ tlbtab: * For NAND booting the first TLB has to be reconfigured to full size * and with caching disabled after running from RAM! */ -#define TLB00 TLB0(CFG_BOOT_BASE_ADDR, SZ_256M) -#define TLB01 TLB1(CFG_BOOT_BASE_ADDR, 1) -#define TLB02 TLB2(AC_R|AC_W|AC_X|SA_G|SA_I) +#define TLB00 TLB0(CONFIG_SYS_BOOT_BASE_ADDR, SZ_256M) +#define TLB01 TLB1(CONFIG_SYS_BOOT_BASE_ADDR, 1) +#define TLB02 TLB2(AC_RWX | SA_IG) .globl reconfig_tlb0 reconfig_tlb0: sync isync - addi r4,r0,0x0000 /* TLB entry #0 */ + addi r4,r0,CONFIG_SYS_TLB_FOR_BOOT_FLASH /* TLB entry # */ lis r5,TLB00@h ori r5,r5,TLB00@l tlbwe r5,r4,0x0000 /* Save it out */