diff options
Diffstat (limited to 'src/drivers/pc80/rtc')
| -rw-r--r-- | src/drivers/pc80/rtc/post.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/drivers/pc80/rtc/post.c b/src/drivers/pc80/rtc/post.c index 41a664e321..f993b96b2c 100644 --- a/src/drivers/pc80/rtc/post.c +++ b/src/drivers/pc80/rtc/post.c @@ -7,6 +7,34 @@ #include <pc80/mc146818rtc.h> #include <smp/spinlock.h> +#if CONFIG(USE_OPTION_TABLE) +# include "option_table.h" +# define CMOS_POST_OFFSET (CMOS_VSTART_cmos_post_offset >> 3) +#else +# if (CONFIG_CMOS_POST_OFFSET != 0) +# define CMOS_POST_OFFSET CONFIG_CMOS_POST_OFFSET +# else +# error "Must configure CONFIG_CMOS_POST_OFFSET" +# endif +#endif + +/* + * 0 = Bank Select Magic + * 1 = Bank 0 POST + * 2 = Bank 1 POST + * 3-6 = BANK 0 Extra log + * 7-10 = BANK 1 Extra log + */ +#define CMOS_POST_BANK_OFFSET (CMOS_POST_OFFSET) +#define CMOS_POST_BANK_0_MAGIC 0x80 +#define CMOS_POST_BANK_0_OFFSET (CMOS_POST_OFFSET + 1) +#define CMOS_POST_BANK_0_EXTRA (CMOS_POST_OFFSET + 3) +#define CMOS_POST_BANK_1_MAGIC 0x81 +#define CMOS_POST_BANK_1_OFFSET (CMOS_POST_OFFSET + 2) +#define CMOS_POST_BANK_1_EXTRA (CMOS_POST_OFFSET + 7) + +#define CMOS_POST_EXTRA_DEV_PATH 0x01 + DECLARE_SPIN_LOCK(cmos_post_lock) int cmos_post_previous_boot(u8 *code, u32 *extra) |