diff options
Diffstat (limited to 'src/cpu/intel/haswell/romstage.c')
| -rw-r--r-- | src/cpu/intel/haswell/romstage.c | 49 |
1 files changed, 22 insertions, 27 deletions
diff --git a/src/cpu/intel/haswell/romstage.c b/src/cpu/intel/haswell/romstage.c index 6164de54ed..5dc45010d7 100644 --- a/src/cpu/intel/haswell/romstage.c +++ b/src/cpu/intel/haswell/romstage.c @@ -32,7 +32,6 @@ #include <arch/stages.h> #include <device/pci_def.h> #include <cpu/x86/lapic.h> -#include <cbmem.h> #include <cbfs.h> #include <romstage_handoff.h> #include <reset.h> @@ -70,13 +69,17 @@ static inline u32 *stack_push(u32 *stack, u32 value) return stack; } +/* Romstage needs quite a bit of stack for decompressing images since the lzma + * lib keeps its state on the stack during romstage. */ +#define ROMSTAGE_RAM_STACK_SIZE 0x5000 static unsigned long choose_top_of_stack(void) { unsigned long stack_top; -#if CONFIG_RELOCATABLE_RAMSTAGE - stack_top = (unsigned long)cbmem_add(CBMEM_ID_RESUME_SCRATCH, - CONFIG_HIGH_SCRATCH_MEMORY_SIZE); - stack_top += CONFIG_HIGH_SCRATCH_MEMORY_SIZE; +#if CONFIG_DYNAMIC_CBMEM + /* cbmem_add() does a find() before add(). */ + stack_top = (unsigned long)cbmem_add(CBMEM_ID_ROMSTAGE_RAM_STACK, + ROMSTAGE_RAM_STACK_SIZE); + stack_top += ROMSTAGE_RAM_STACK_SIZE; #else stack_top = ROMSTAGE_STACK; #endif @@ -197,7 +200,6 @@ void romstage_common(const struct romstage_params *params) { int boot_mode; int wake_from_s3; - int cbmem_was_initted; struct romstage_handoff *handoff; #if CONFIG_COLLECT_TIMESTAMPS @@ -265,23 +267,16 @@ void romstage_common(const struct romstage_params *params) quick_ram_check(); post_code(0x3e); -#if CONFIG_EARLY_CBMEM_INIT - cbmem_was_initted = !cbmem_initialize(); -#else - cbmem_was_initted = cbmem_reinit((uint64_t) (get_top_of_ram() - - HIGH_MEMORY_SIZE)); -#endif - - /* Save data returned from MRC on non-S3 resumes. */ - if (!wake_from_s3) + if (!wake_from_s3) { + cbmem_initialize_empty(); + /* Save data returned from MRC on non-S3 resumes. */ save_mrc_data(params->pei_data); - -#if CONFIG_HAVE_ACPI_RESUME - if (wake_from_s3 && !cbmem_was_initted) { + } else if (cbmem_initialize()) { + #if CONFIG_HAVE_ACPI_RESUME /* Failed S3 resume, reset to come up cleanly */ reset_system(); + #endif } -#endif handoff = romstage_handoff_find_or_add(); if (handoff != NULL) @@ -330,11 +325,16 @@ void romstage_after_car(void) #if CONFIG_RELOCATABLE_RAMSTAGE void cache_loaded_ramstage(struct romstage_handoff *handoff, - void *ramstage_base, uint32_t ramstage_size, + const struct cbmem_entry *ramstage, void *entry_point) { struct ramstage_cache *cache; uint32_t total_size; + uint32_t ramstage_size; + void *ramstage_base; + + ramstage_size = cbmem_entry_size(ramstage); + ramstage_base = cbmem_entry_start(ramstage); /* The ramstage cache lives in the TSEG region at RESERVED_SMM_OFFSET. * The top of ram is defined to be the TSEG base address. */ @@ -358,19 +358,14 @@ void cache_loaded_ramstage(struct romstage_handoff *handoff, /* Copy over the program. */ memcpy(&cache->program[0], ramstage_base, ramstage_size); - /* Do not update reserve region if the handoff structure is not - * available. Perhaps the ramstage will fix things up for the resume - * path. */ if (handoff == NULL) return; - /* Update entry and reserve region. */ - handoff->reserve_base = (uint32_t)ramstage_base; - handoff->reserve_size = ramstage_size; handoff->ramstage_entry_point = (uint32_t)entry_point; } -void *load_cached_ramstage(struct romstage_handoff *handoff) +void *load_cached_ramstage(struct romstage_handoff *handoff, + const struct cbmem_entry *ramstage) { struct ramstage_cache *cache; |