diff options
| -rw-r--r-- | arch/x86/cpu/start.S | 14 | ||||
| -rw-r--r-- | arch/x86/include/asm/global_data.h | 3 | ||||
| -rw-r--r-- | arch/x86/lib/asm-offsets.c | 3 |
3 files changed, 20 insertions, 0 deletions
diff --git a/arch/x86/cpu/start.S b/arch/x86/cpu/start.S index f9662fb..125782c 100644 --- a/arch/x86/cpu/start.S +++ b/arch/x86/cpu/start.S @@ -75,6 +75,7 @@ early_board_init_ret: jmp car_init .globl car_init_ret car_init_ret: +#ifndef CONFIG_HAVE_FSP /* * We now have CONFIG_SYS_CAR_SIZE bytes of Cache-As-RAM (or SRAM, * or fully initialised SDRAM - we really don't care which) @@ -95,6 +96,12 @@ car_init_ret: #ifdef CONFIG_DCACHE_RAM_MRC_VAR_SIZE subl $CONFIG_DCACHE_RAM_MRC_VAR_SIZE, %esp #endif +#else + /* + * When we get here after car_init, esp points to a temporary stack + * and esi holds the HOB list address returned by the FSP. + */ +#endif /* Reserve space on stack for global data */ subl $GENERATED_GBL_DATA_SIZE, %esp @@ -109,6 +116,13 @@ car_init_ret: movl %esp, %edi rep stosb +#ifdef CONFIG_HAVE_FSP + /* Store HOB list */ + movl %esp, %edx + addl $GD_HOB_LIST, %edx + movl %esi, (%edx) +#endif + /* Setup first parameter to setup_gdt, pointer to global_data */ movl %esp, %eax diff --git a/arch/x86/include/asm/global_data.h b/arch/x86/include/asm/global_data.h index 48bbd1a..03d491a 100644 --- a/arch/x86/include/asm/global_data.h +++ b/arch/x86/include/asm/global_data.h @@ -47,6 +47,9 @@ struct arch_global_data { enum pei_boot_mode_t pei_boot_mode; const struct pch_gpio_map *gpio_map; /* board GPIO map */ struct memory_info meminfo; /* Memory information */ +#ifdef CONFIG_HAVE_FSP + void *hob_list; /* FSP HOB list */ +#endif }; #endif diff --git a/arch/x86/lib/asm-offsets.c b/arch/x86/lib/asm-offsets.c index 50a488f..70ccf1b 100644 --- a/arch/x86/lib/asm-offsets.c +++ b/arch/x86/lib/asm-offsets.c @@ -18,5 +18,8 @@ int main(void) { DEFINE(GD_BIST, offsetof(gd_t, arch.bist)); +#ifdef CONFIG_HAVE_FSP + DEFINE(GD_HOB_LIST, offsetof(gd_t, arch.hob_list)); +#endif return 0; } |