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| author | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2020-01-04 18:04:39 +0200 |
|---|---|---|
| committer | Nico Huber <nico.h@gmx.de> | 2020-01-10 15:28:41 +0000 |
| commit | b2680a12e4ddeaa0a33975eb0034feb6649d333c (patch) | |
| tree | c486831e6f84b6f679a6e47ec86ee6d56bd80e6f /src/drivers/pc80 | |
| parent | da41b6182d22faf0ffa567f8e018078f4a6cbe7a (diff) | |
| download | coreboot-b2680a12e4ddeaa0a33975eb0034feb6649d333c.tar.xz | |
drivers/pc80/rtc: Move sanitize_cmos()
Implementation depends on USE_OPTION_TABLE.
Change-Id: If7f8f478db3214842b6cc60cd77b4ea81cab6e3a
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38195
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/drivers/pc80')
| -rw-r--r-- | src/drivers/pc80/rtc/mc146818rtc_boot.c | 28 | ||||
| -rw-r--r-- | src/drivers/pc80/rtc/option.c | 28 |
2 files changed, 29 insertions, 27 deletions
diff --git a/src/drivers/pc80/rtc/mc146818rtc_boot.c b/src/drivers/pc80/rtc/mc146818rtc_boot.c index e599affd2d..718cfbf4d2 100644 --- a/src/drivers/pc80/rtc/mc146818rtc_boot.c +++ b/src/drivers/pc80/rtc/mc146818rtc_boot.c @@ -12,36 +12,10 @@ */ #include <stdint.h> -#include <cbfs.h> +#include <option.h> #include <pc80/mc146818rtc.h> #include <fallback.h> -#if CONFIG(USE_OPTION_TABLE) -#include <option_table.h> - -int cmos_lb_cks_valid(void) -{ - return cmos_checksum_valid(LB_CKS_RANGE_START, LB_CKS_RANGE_END, LB_CKS_LOC); -} - -void sanitize_cmos(void) -{ - if (cmos_error() || !cmos_lb_cks_valid() || CONFIG(STATIC_OPTION_TABLE)) { - size_t length = 128; - const unsigned char *cmos_default = - cbfs_boot_map_with_leak("cmos.default", - CBFS_COMPONENT_CMOS_DEFAULT, &length); - if (cmos_default) { - size_t i; - u8 control_state = cmos_disable_rtc(); - for (i = 14; i < MIN(128, length); i++) - cmos_write_inner(cmos_default[i], i); - cmos_restore_rtc(control_state); - } - } -} -#endif - #if CONFIG_MAX_REBOOT_CNT > 15 #error "CONFIG_MAX_REBOOT_CNT too high" #endif diff --git a/src/drivers/pc80/rtc/option.c b/src/drivers/pc80/rtc/option.c index c7851e5357..ad77669a8d 100644 --- a/src/drivers/pc80/rtc/option.c +++ b/src/drivers/pc80/rtc/option.c @@ -233,3 +233,31 @@ enum cb_err cmos_set_option(const char *name, void *value) rdev_munmap(&rdev, ct); return CB_SUCCESS; } + +int cmos_lb_cks_valid(void) +{ + return cmos_checksum_valid(LB_CKS_RANGE_START, LB_CKS_RANGE_END, LB_CKS_LOC); +} + +static void cmos_load_defaults(void) +{ + size_t length = 128; + size_t i; + + const unsigned char *cmos_default = + cbfs_boot_map_with_leak("cmos.default", + CBFS_COMPONENT_CMOS_DEFAULT, &length); + if (!cmos_default) + return; + + u8 control_state = cmos_disable_rtc(); + for (i = 14; i < MIN(128, length); i++) + cmos_write_inner(cmos_default[i], i); + cmos_restore_rtc(control_state); +} + +void sanitize_cmos(void) +{ + if (cmos_error() || !cmos_lb_cks_valid() || CONFIG(STATIC_OPTION_TABLE)) + cmos_load_defaults(); +} |