diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/arch/x86/bootblock_normal.c | 3 | ||||
| -rw-r--r-- | src/arch/x86/bootblock_simple.c | 3 | ||||
| -rw-r--r-- | src/arch/x86/include/arch/bootblock_romcc.h | 20 | ||||
| -rw-r--r-- | src/drivers/pc80/rtc/Makefile.inc | 1 | ||||
| -rw-r--r-- | src/drivers/pc80/rtc/mc146818rtc_boot.c | 78 | ||||
| -rw-r--r-- | src/drivers/pc80/rtc/mc146818rtc_romcc.c | 34 | ||||
| -rw-r--r-- | src/include/pc80/mc146818rtc.h | 7 | ||||
| -rw-r--r-- | src/lib/bootblock.c | 1 |
8 files changed, 91 insertions, 56 deletions
diff --git a/src/arch/x86/bootblock_normal.c b/src/arch/x86/bootblock_normal.c index 423046906e..905ecb28fb 100644 --- a/src/arch/x86/bootblock_normal.c +++ b/src/arch/x86/bootblock_normal.c @@ -32,9 +32,8 @@ static void main(unsigned long bist) if (boot_cpu()) { bootblock_mainboard_init(); -#if IS_ENABLED(CONFIG_USE_OPTION_TABLE) sanitize_cmos(); -#endif + boot_mode = do_normal_boot(); } else { diff --git a/src/arch/x86/bootblock_simple.c b/src/arch/x86/bootblock_simple.c index 52c45be43d..bf71bca4e6 100644 --- a/src/arch/x86/bootblock_simple.c +++ b/src/arch/x86/bootblock_simple.c @@ -13,6 +13,7 @@ #include <smp/node.h> #include <arch/bootblock_romcc.h> +#include <pc80/mc146818rtc.h> #include <halt.h> static void main(unsigned long bist) @@ -20,9 +21,7 @@ static void main(unsigned long bist) if (boot_cpu()) { bootblock_mainboard_init(); -#if IS_ENABLED(CONFIG_USE_OPTION_TABLE) sanitize_cmos(); -#endif #if IS_ENABLED(CONFIG_CMOS_POST) cmos_post_init(); #endif diff --git a/src/arch/x86/include/arch/bootblock_romcc.h b/src/arch/x86/include/arch/bootblock_romcc.h index 600d360749..827e40e985 100644 --- a/src/arch/x86/include/arch/bootblock_romcc.h +++ b/src/arch/x86/include/arch/bootblock_romcc.h @@ -11,9 +11,7 @@ * GNU General Public License for more details. */ -#include <arch/cbfs.h> #include <cpu/x86/lapic/boot_cpu.c> -#include <pc80/mc146818rtc.h> #ifdef CONFIG_BOOTBLOCK_RESETS #include CONFIG_BOOTBLOCK_RESETS @@ -45,21 +43,3 @@ static void bootblock_mainboard_init(void) #endif } #endif - -#if IS_ENABLED(CONFIG_USE_OPTION_TABLE) -static void sanitize_cmos(void) -{ - if (cmos_error() || !cmos_chksum_valid() - || IS_ENABLED(CONFIG_STATIC_OPTION_TABLE)) { - unsigned char *cmos_default = - (unsigned char *)walkcbfs("cmos.default"); - if (cmos_default) { - int i; - cmos_disable_rtc(); - for (i = 14; i < 128; i++) - cmos_write_inner(cmos_default[i], i); - cmos_enable_rtc(); - } - } -} -#endif diff --git a/src/drivers/pc80/rtc/Makefile.inc b/src/drivers/pc80/rtc/Makefile.inc index eb65bf5da4..998b7e7dbd 100644 --- a/src/drivers/pc80/rtc/Makefile.inc +++ b/src/drivers/pc80/rtc/Makefile.inc @@ -1,5 +1,6 @@ ifeq ($(CONFIG_ARCH_X86),y) +bootblock-$(CONFIG_DRIVERS_MC146818) += mc146818rtc_boot.c bootblock-$(CONFIG_DRIVERS_MC146818) += mc146818rtc.c postcar-$(CONFIG_DRIVERS_MC146818) += mc146818rtc.c romstage-$(CONFIG_DRIVERS_MC146818) += mc146818rtc.c diff --git a/src/drivers/pc80/rtc/mc146818rtc_boot.c b/src/drivers/pc80/rtc/mc146818rtc_boot.c new file mode 100644 index 0000000000..c5cd86ce85 --- /dev/null +++ b/src/drivers/pc80/rtc/mc146818rtc_boot.c @@ -0,0 +1,78 @@ +/* + * This file is part of the coreboot project. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <stdint.h> +#ifdef __ROMCC__ +#include <arch/cbfs.h> +#else +#include <cbfs.h> +#endif +#include <pc80/mc146818rtc.h> +#if IS_ENABLED(CONFIG_USE_OPTION_TABLE) +#include <option_table.h> +#endif + +int cmos_error(void); +int cmos_error(void) +{ + unsigned char reg_d; + /* See if the cmos error condition has been flagged */ + reg_d = cmos_read(RTC_REG_D); + return (reg_d & RTC_VRT) == 0; +} + +int cmos_chksum_valid(void); +int cmos_chksum_valid(void) +{ +#if IS_ENABLED(CONFIG_USE_OPTION_TABLE) + unsigned char addr; + u16 sum, old_sum; + + sum = 0; + /* Compute the cmos checksum */ + for (addr = LB_CKS_RANGE_START; addr <= LB_CKS_RANGE_END; addr++) + sum += cmos_read(addr); + + /* Read the stored checksum */ + old_sum = cmos_read(LB_CKS_LOC) << 8; + old_sum |= cmos_read(LB_CKS_LOC + 1); + + return sum == old_sum; +#else + return 0; +#endif +} + +#if IS_ENABLED(CONFIG_USE_OPTION_TABLE) +void sanitize_cmos(void) +{ + if (cmos_error() || !cmos_chksum_valid() || + IS_ENABLED(CONFIG_STATIC_OPTION_TABLE)) { + size_t length = 128; + const unsigned char *cmos_default = +#ifdef __ROMCC__ + walkcbfs("cmos.default"); +#else + cbfs_boot_map_with_leak("cmos.default", + CBFS_COMPONENT_CMOS_DEFAULT, &length); +#endif + if (cmos_default) { + int i; + cmos_disable_rtc(); + for (i = 14; i < MIN(128, length); i++) + cmos_write_inner(cmos_default[i], i); + cmos_enable_rtc(); + } + } +} +#endif diff --git a/src/drivers/pc80/rtc/mc146818rtc_romcc.c b/src/drivers/pc80/rtc/mc146818rtc_romcc.c index dc4f2efec4..a280882a77 100644 --- a/src/drivers/pc80/rtc/mc146818rtc_romcc.c +++ b/src/drivers/pc80/rtc/mc146818rtc_romcc.c @@ -1,43 +1,13 @@ #include <stdint.h> #include <pc80/mc146818rtc.h> #include <fallback.h> -#if IS_ENABLED(CONFIG_USE_OPTION_TABLE) -#include "option_table.h" -#endif + +#include "mc146818rtc_boot.c" #if CONFIG_MAX_REBOOT_CNT > 15 #error "CONFIG_MAX_REBOOT_CNT too high" #endif -static int cmos_error(void) -{ - unsigned char reg_d; - /* See if the cmos error condition has been flagged */ - reg_d = cmos_read(RTC_REG_D); - return (reg_d & RTC_VRT) == 0; -} - -static int cmos_chksum_valid(void) -{ -#if IS_ENABLED(CONFIG_USE_OPTION_TABLE) - unsigned char addr; - u16 sum, old_sum; - - sum = 0; - /* Compute the cmos checksum */ - for (addr = LB_CKS_RANGE_START; addr <= LB_CKS_RANGE_END; addr++) - sum += cmos_read(addr); - - /* Read the stored checksum */ - old_sum = cmos_read(LB_CKS_LOC) << 8; - old_sum |= cmos_read(LB_CKS_LOC+1); - - return sum == old_sum; -#else - return 0; -#endif -} - static inline __attribute__((unused)) int boot_count(uint8_t rtc_byte) { return rtc_byte >> 4; diff --git a/src/include/pc80/mc146818rtc.h b/src/include/pc80/mc146818rtc.h index f6a1c04372..5d7497df56 100644 --- a/src/include/pc80/mc146818rtc.h +++ b/src/include/pc80/mc146818rtc.h @@ -254,8 +254,15 @@ static inline void cmos_post_log(void) {} static inline void cmos_post_init(void) {} #endif /* CONFIG_CMOS_POST */ +#if IS_ENABLED(CONFIG_USE_OPTION_TABLE) +void sanitize_cmos(void); +#else +static inline void sanitize_cmos(void) {} +#endif /* CONFIG_USE_OPTION_TABLE */ + #else /* !CONFIG_ARCH_X86 */ static inline void cmos_post_init(void) {} +static inline void sanitize_cmos(void) {} #endif /* CONFIG_ARCH_X86 */ #endif /* PC80_MC146818RTC_H */ diff --git a/src/lib/bootblock.c b/src/lib/bootblock.c index b859e1ea4e..2e228c6d32 100644 --- a/src/lib/bootblock.c +++ b/src/lib/bootblock.c @@ -36,6 +36,7 @@ asmlinkage void bootblock_main_with_timestamp(uint64_t base_timestamp) if (IS_ENABLED(CONFIG_COLLECT_TIMESTAMPS) && _timestamp_size > 0) timestamp_init(base_timestamp); + sanitize_cmos(); cmos_post_init(); bootblock_soc_early_init(); |