/* selected cbmem can be initialized early in ramstage. Additionally, that
* means cbmem console can be reinitialized early as well. The post_device
* function is empty since cbmem was initialized early in ramstage. */
static void init_cbmem_pre_device(void *unused)
{
cbmem_initialize();
#if CONFIG_CONSOLE_CBMEM
cbmemc_reinit();
#endif /* CONFIG_CONSOLE_CBMEM */
}
/*******************************************************************************
* The FSP early_init function returns to this function.
* Memory is setup and the stack is set by the FSP.
*/
void romstage_main_continue(EFI_STATUS status, void *hob_list_ptr) {
int cbmem_was_initted;
void *cbmem_hob_ptr;
uint32_t prev_sleep_state;
struct romstage_handoff *handoff;
#if IS_ENABLED(CONFIG_COLLECT_TIMESTAMPS)
tsc_t after_initram_time = rdtsc();
tsc_t base_time;
base_time.hi = 0;
base_time.lo = 0;
#endif
post_code(0x4a);
printk(BIOS_DEBUG, "%s status: %x hob_list_ptr: %x\n",
__func__, (u32) status, (u32) hob_list_ptr);
#if IS_ENABLED(CONFIG_USBDEBUG_IN_ROMSTAGE)
/* FSP reconfigures USB, so reinit it to have debug */
usbdebug_init();
#endif /* IS_ENABLED(CONFIG_USBDEBUG_IN_ROMSTAGE) */
printk(BIOS_DEBUG, "FSP Status: 0x%0x\n", (u32)status);
/* Get previous sleep state again and clear */
prev_sleep_state = chipset_prev_sleep_state(1);
printk(BIOS_DEBUG, "%s: prev_sleep_state = S%d\n", __func__, prev_sleep_state);
report_platform_info();
#if IS_ENABLED(CONFIG_COLLECT_TIMESTAMPS)
after_initram_time = rdtsc();
#endif
post_code(0x4b);
late_mainboard_romstage_entry();
post_code(0x4c);
/* if S3 resume skip ram check */
if (prev_sleep_state != 3) {
quick_ram_check();
post_code(0x4d);
}
cbmem_was_initted = !cbmem_recovery(prev_sleep_state == 3);
/* Save the HOB pointer in CBMEM to be used in ramstage*/
cbmem_hob_ptr = cbmem_add (CBMEM_ID_HOB_POINTER, sizeof(*hob_list_ptr));
*(u32*)cbmem_hob_ptr = (u32)hob_list_ptr;
post_code(0x4e);
handoff = romstage_handoff_find_or_add();
if (handoff != NULL)
handoff->s3_resume = (prev_sleep_state == 3);
else
printk(BIOS_DEBUG, "Romstage handoff structure not added!\n");
#if IS_ENABLED(CONFIG_COLLECT_TIMESTAMPS)
timestamp_init(base_time);
timestamp_reinit();
timestamp_add(TS_AFTER_INITRAM, after_initram_time);
timestamp_add_now(TS_END_ROMSTAGE);
#endif
#if IS_ENABLED(CONFIG_CONSOLE_CBMEM)
printk(BIOS_DEBUG, "cbmemc_reinit\n");
cbmemc_reinit();
#endif
post_code(0x4f);
/* Load the ramstage. */
copy_and_run();
while (1);
}
void hardwaremain(int boot_complete)
{
struct lb_memory *lb_mem;
void *payload;
timestamp_stash(TS_START_RAMSTAGE);
post_code(POST_ENTRY_RAMSTAGE);
#if CONFIG_COVERAGE
coverage_init();
#endif
/* console_init() MUST PRECEDE ALL printk()! */
console_init();
post_code(POST_CONSOLE_READY);
printk(BIOS_NOTICE, "coreboot-%s%s %s %s...\n",
coreboot_version, coreboot_extra_version, coreboot_build,
(boot_complete)?"rebooting":"booting");
post_code(POST_CONSOLE_BOOT_MSG);
/* If we have already booted attempt a hard reboot */
if (boot_complete) {
hard_reset();
}
/* FIXME: Is there a better way to handle this? */
init_timer();
timestamp_stash(TS_DEVICE_ENUMERATE);
/* Initialize chips early, they might disable unused devices. */
dev_initialize_chips();
/* Find the devices we don't have hard coded knowledge about. */
dev_enumerate();
post_code(POST_DEVICE_ENUMERATION_COMPLETE);
timestamp_stash(TS_DEVICE_CONFIGURE);
/* Now compute and assign the bus resources. */
dev_configure();
post_code(POST_DEVICE_CONFIGURATION_COMPLETE);
timestamp_stash(TS_DEVICE_ENABLE);
/* Now actually enable devices on the bus */
dev_enable();
post_code(POST_DEVICES_ENABLED);
timestamp_stash(TS_DEVICE_INITIALIZE);
/* And of course initialize devices on the bus */
dev_initialize();
post_code(POST_DEVICES_INITIALIZED);
timestamp_stash(TS_DEVICE_DONE);
cbmem_initialize();
#if CONFIG_CONSOLE_CBMEM
cbmemc_reinit();
#endif
timestamp_sync();
#if CONFIG_HAVE_ACPI_RESUME
suspend_resume();
post_code(0x8a);
#endif
timestamp_add_now(TS_CBMEM_POST);
if (cbmem_post_handling)
cbmem_post_handling();
timestamp_add_now(TS_WRITE_TABLES);
/* Now that we have collected all of our information
* write our configuration tables.
*/
lb_mem = write_tables();
timestamp_add_now(TS_LOAD_PAYLOAD);
payload = cbfs_load_payload(CBFS_DEFAULT_MEDIA,
CONFIG_CBFS_PREFIX "/payload");
if (! payload)
die("Could not find a payload\n");
selfboot(lb_mem, payload);
printk(BIOS_EMERG, "Boot failed");
}
