void * asmlinkage romstage_main(unsigned long bist)
{
int i;
void *romstage_stack_after_car;
const int num_guards = 4;
const u32 stack_guard = 0xdeadbeef;
u32 *stack_base = (void *)(CONFIG_DCACHE_RAM_BASE +
CONFIG_DCACHE_RAM_SIZE -
DCACHE_RAM_ROMSTAGE_STACK_SIZE);
for (i = 0; i < num_guards; i++)
stack_base[i] = stack_guard;
mainboard_romstage_entry(bist);
/* Check the stack. */
for (i = 0; i < num_guards; i++) {
if (stack_base[i] == stack_guard)
continue;
printk(BIOS_DEBUG, "Smashed stack detected in romstage!\n");
}
/* Get the stack to use after cache-as-ram is torn down. */
if (IS_ENABLED(CONFIG_LATE_CBMEM_INIT))
romstage_stack_after_car = (void*)CONFIG_RAMTOP;
else
romstage_stack_after_car = setup_stack_and_mtrrs();
return romstage_stack_after_car;
}
static void romstage_main(unsigned long bist)
{
int i;
const int num_guards = 4;
const u32 stack_guard = 0xdeadbeef;
u32 *stack_base;
u32 size;
/* Size of unallocated CAR. */
size = ALIGN_DOWN(_car_stack_size, 16);
size = MIN(size, DCACHE_RAM_ROMSTAGE_STACK_SIZE);
if (size < DCACHE_RAM_ROMSTAGE_STACK_SIZE)
printk(BIOS_DEBUG, "Romstage stack size limited to 0x%x!\n",
size);
stack_base = (u32 *) (_car_stack_end - size);
for (i = 0; i < num_guards; i++)
stack_base[i] = stack_guard;
mainboard_romstage_entry(bist);
/* Check the stack. */
for (i = 0; i < num_guards; i++) {
if (stack_base[i] == stack_guard)
continue;
printk(BIOS_DEBUG, "Smashed stack detected in romstage!\n");
}
platform_enter_postcar();
}
asmlinkage void *romstage_main(unsigned long bist)
{
int i;
void *romstage_stack_after_car;
const int num_guards = 4;
const u32 stack_guard = 0xdeadbeef;
u32 *stack_base = (void *)(CONFIG_DCACHE_RAM_BASE +
CONFIG_DCACHE_RAM_SIZE -
CONFIG_DCACHE_RAM_ROMSTAGE_STACK_SIZE);
printk(BIOS_DEBUG, "Setting up stack guards.\n");
for (i = 0; i < num_guards; i++)
stack_base[i] = stack_guard;
mainboard_romstage_entry(bist);
/* Check the stack. */
for (i = 0; i < num_guards; i++) {
if (stack_base[i] == stack_guard)
continue;
printk(BIOS_DEBUG, "Smashed stack detected in romstage!\n");
}
/* Get the stack to use after cache-as-ram is torn down. */
romstage_stack_after_car = setup_romstage_stack_after_car();
return romstage_stack_after_car;
}
asmlinkage void *romstage_main(FSP_INFO_HEADER *fih)
{
void *top_of_stack;
struct pei_data pei_data;
struct romstage_params params = {
.pei_data = &pei_data,
.chipset_context = fih,
};
post_code(0x30);
timestamp_add_now(TS_START_ROMSTAGE);
/* Load microcode before RAM init */
if (IS_ENABLED(CONFIG_SUPPORT_CPU_UCODE_IN_CBFS))
intel_update_microcode_from_cbfs();
memset(&pei_data, 0, sizeof(pei_data));
/* Display parameters */
printk(BIOS_SPEW, "CONFIG_MMCONF_BASE_ADDRESS: 0x%08x\n",
CONFIG_MMCONF_BASE_ADDRESS);
printk(BIOS_INFO, "Using FSP 1.1\n");
/* Display FSP banner */
print_fsp_info(fih);
/* Stash FSP version. */
params.fsp_version = fsp_version(fih);
/* Get power state */
params.power_state = fill_power_state();
/*
* Read and print board version. Done after SOC romstage
* in case PCH needs to be configured to talk to the EC.
*/
if (IS_ENABLED(CONFIG_BOARD_ID_AUTO))
printk(BIOS_INFO, "MLB: board version %d\n", board_id());
/* Call into mainboard. */
mainboard_romstage_entry(¶ms);
soc_after_ram_init(¶ms);
post_code(0x38);
top_of_stack = setup_stack_and_mtrrs();
printk(BIOS_DEBUG, "Calling FspTempRamExit API\n");
timestamp_add_now(TS_FSP_TEMP_RAM_EXIT_START);
return top_of_stack;
}
/* Entry from cache-as-ram.inc. */
void * asmlinkage romstage_main(unsigned long bist,
uint32_t tsc_low, uint32_t tsc_hi)
{
struct romstage_params rp = {
.bist = bist,
.mrc_params = NULL,
};
/* Save initial timestamp from bootblock. */
timestamp_init((((uint64_t)tsc_hi) << 32) | (uint64_t)tsc_low);
/* Save romstage begin */
timestamp_add_now(TS_START_ROMSTAGE);
program_base_addresses();
tco_disable();
byt_config_com1_and_enable();
console_init();
spi_init();
set_max_freq();
punit_init();
gfx_init();
#if CONFIG_EC_GOOGLE_CHROMEEC
/* Ensure the EC is in the right mode for recovery */
google_chromeec_early_init();
#endif
/* Call into mainboard. */
mainboard_romstage_entry(&rp);
return setup_stack_and_mttrs();
}
/* Entry from cache-as-ram.inc. */
void *asmlinkage romstage_main(unsigned long bist, uint32_t tsc_low,
uint32_t tsc_hi)
{
struct romstage_params rp = {
.bist = bist,
.mrc_params = NULL,
};
/* Save initial timestamp from bootblock. */
timestamp_init((((uint64_t)tsc_hi) << 32) | (uint64_t)tsc_low);
/* Save romstage begin */
timestamp_add_now(TS_START_ROMSTAGE);
program_base_addresses();
tco_disable();
byt_config_com1_and_enable();
console_init();
spi_init();
set_max_freq();
punit_init();
gfx_init();
/* Call into mainboard. */
mainboard_romstage_entry(&rp);
platform_enter_postcar();
/* We don't return here */
return NULL;
}
void * asmlinkage romstage_main(unsigned long bist)
{
mainboard_romstage_entry(bist);
return (void*)CONFIG_RAMTOP;
}
