diff options
Diffstat (limited to 'src/soc/intel/baytrail/romstage/raminit.c')
| -rw-r--r-- | src/soc/intel/baytrail/romstage/raminit.c | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/src/soc/intel/baytrail/romstage/raminit.c b/src/soc/intel/baytrail/romstage/raminit.c index 98d389eb2c..017f37d3ef 100644 --- a/src/soc/intel/baytrail/romstage/raminit.c +++ b/src/soc/intel/baytrail/romstage/raminit.c @@ -18,7 +18,9 @@ */ #include <stddef.h> +#include <arch/hlt.h> #include <arch/io.h> +#include <bootmode.h> #include <cbfs.h> #include <cbmem.h> #include <console/console.h> @@ -28,8 +30,14 @@ #include <baytrail/iomap.h> #include <baytrail/iosf.h> #include <baytrail/pci_devs.h> +#include <baytrail/reset.h> #include <baytrail/romstage.h> +static void reset_system(void) +{ + warm_reset(); + while(1) { hlt(); } +} static void enable_smbus(void) { @@ -111,9 +119,16 @@ void raminit(struct mrc_params *mp, int prev_sleep_state) mp->console_out = &send_to_console; mp->prev_sleep_state = prev_sleep_state; - if (!mrc_cache_get_current(&cache)) { + if (recovery_mode_enabled()) { + printk(BIOS_DEBUG, "Recovery mode: not using MRC cache.\n"); + } else if (!mrc_cache_get_current(&cache)) { mp->saved_data_size = cache->size; mp->saved_data = &cache->data[0]; + } else if (prev_sleep_state == 3) { + /* If waking from S3 and no cache then. */ + printk(BIOS_DEBUG, "No MRC cache found in S3 resume path.\n"); + post_code(POST_RESUME_FAILURE); + reset_system(); } else { printk(BIOS_DEBUG, "No MRC cache found.\n"); } @@ -132,7 +147,15 @@ void raminit(struct mrc_params *mp, int prev_sleep_state) print_dram_info(); - cbmem_initialize_empty(); + if (prev_sleep_state != 3) { + cbmem_initialize_empty(); + } else if (cbmem_initialize()) { + #if CONFIG_HAVE_ACPI_RESUME + printk(BIOS_DEBUG, "Failed to recover CBMEM in S3 resume.\n"); + /* Failed S3 resume, reset to come up cleanly */ + reset_system(); + #endif + } printk(BIOS_DEBUG, "MRC Wrapper returned %d\n", ret); printk(BIOS_DEBUG, "MRC data at %p %d bytes\n", mp->data_to_save, |