diff options
Diffstat (limited to 'arch/powerpc/cpu/mpc85xx/start.S')
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/start.S | 34 |
1 files changed, 19 insertions, 15 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/start.S b/arch/powerpc/cpu/mpc85xx/start.S index dbbd8e588c..0e3c86a0f8 100644 --- a/arch/powerpc/cpu/mpc85xx/start.S +++ b/arch/powerpc/cpu/mpc85xx/start.S @@ -26,6 +26,8 @@ #undef MSR_KERNEL #define MSR_KERNEL ( MSR_ME ) /* Machine Check */ +#define LAW_EN 0x80000000 + #if defined(CONFIG_NAND_SPL) || \ (defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_INIT_MINIMAL)) #define MINIMAL_SPL @@ -78,6 +80,13 @@ _start_e500: li r1,MSR_DE mtmsr r1 + /* + * If we got an ePAPR device tree pointer passed in as r3, we need that + * later in cpu_init_early_f(). Save it to a safe register before we + * clobber it so that we can fetch it from there later. + */ + mr r24, r3 + #ifdef CONFIG_SYS_FSL_ERRATUM_A004510 mfspr r3,SPRN_SVR rlwinm r3,r3,0,0xff @@ -115,7 +124,8 @@ _start_e500: #endif -#if defined(CONFIG_SECURE_BOOT) && defined(CONFIG_E500MC) +#if defined(CONFIG_SECURE_BOOT) && defined(CONFIG_E500MC) && \ + !defined(CONFIG_E6500) /* ISBC uses L2 as stack. * Disable L2 cache here so that u-boot can enable it later * as part of it's normal flow @@ -460,7 +470,8 @@ nexti: mflr r1 /* R1 = our PC */ 2: cmpw r3, r4 blt 1b -#if defined(CONFIG_SYS_PPC_E500_DEBUG_TLB) && !defined(MINIMAL_SPL) +#if defined(CONFIG_SYS_PPC_E500_DEBUG_TLB) && !defined(MINIMAL_SPL) && \ + !defined(CONFIG_SECURE_BOOT) /* * TLB entry for debuggging in AS1 * Create temporary TLB entry in AS0 to handle debug exception @@ -481,12 +492,6 @@ nexti: mflr r1 /* R1 = our PC */ 0xffc00000, MAS3_SX|MAS3_SW|MAS3_SR, \ 0, r6 -#elif !defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_SECURE_BOOT) - create_tlb1_entry CONFIG_SYS_PPC_E500_DEBUG_TLB, \ - 0, BOOKE_PAGESZ_1M, \ - CONFIG_SYS_MONITOR_BASE, MAS2_I|MAS2_G, \ - CONFIG_SYS_PBI_FLASH_WINDOW, MAS3_SX|MAS3_SW|MAS3_SR, \ - 0, r6 #else /* * TLB entry is created for IVPR + IVOR15 to map on valid OP code address @@ -574,7 +579,6 @@ infinite_debug_loop: #ifdef CONFIG_FSL_CORENET #define CCSR_LAWBARH0 (CONFIG_SYS_CCSRBAR + 0x1000) -#define LAW_EN 0x80000000 #define LAW_SIZE_4K 0xb #define CCSRBAR_LAWAR (LAW_EN | (0x1e << 20) | LAW_SIZE_4K) #define CCSRAR_C 0x80000000 /* Commit */ @@ -1142,6 +1146,10 @@ _start_cont: mr r1,r3 /* Transfer to SP(r1) */ GET_GOT + + /* Pass our potential ePAPR device tree pointer to cpu_init_early_f */ + mr r3, r24 + bl cpu_init_early_f /* switch back to AS = 0 */ @@ -1644,6 +1652,7 @@ relocate_code: mr r10,r5 /* Save copy of Destination Address */ GET_GOT +#ifndef CONFIG_SPL_SKIP_RELOCATE mr r3,r5 /* Destination Address */ lis r4,CONFIG_SYS_MONITOR_BASE@h /* Source Address */ ori r4,r4,CONFIG_SYS_MONITOR_BASE@l @@ -1734,6 +1743,7 @@ relocate_code: mtlr r0 blr /* NEVER RETURNS! */ +#endif .globl in_ram in_ram: @@ -1965,10 +1975,4 @@ flush_dcache: isync blr - -.globl setup_ivors -setup_ivors: - -#include "fixed_ivor.S" - blr #endif /* !MINIMAL_SPL */ |
