diff options
| author | Martin Roth <gaumless@gmail.com> | 2023-02-01 11:55:28 -0700 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2023-02-04 03:22:50 +0000 |
| commit | c46c15b5920bf8378c333f862a8f5766cf104c85 (patch) | |
| tree | e867fe9aff8e07265ec614d8645d30031a935996 /src/soc/amd/common/block/include/amdblocks | |
| parent | 9f5a5eefc32b6db7418955968f888ba3fccab3c7 (diff) | |
soc/amd: Create AMD common reset code
This allows us to use the same file for PCO, CZN, MDN, PHX, & Glinda.
PCO supports the warm reset, and future chips can support it by setting
the SOC_AMD_SUPPORTS_WARM_RESET option.
Signed-off-by: Martin Roth <gaumless@gmail.com>
Change-Id: Ib6459e7ab82aacbe57b4c2fc5bbb3759dc5266f7
Reviewed-on: https://review.coreboot.org/c/coreboot/+/72658
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc/amd/common/block/include/amdblocks')
| -rw-r--r-- | src/soc/amd/common/block/include/amdblocks/reset.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/soc/amd/common/block/include/amdblocks/reset.h b/src/soc/amd/common/block/include/amdblocks/reset.h index 353720c1e0..3706d08d6b 100644 --- a/src/soc/amd/common/block/include/amdblocks/reset.h +++ b/src/soc/amd/common/block/include/amdblocks/reset.h @@ -3,9 +3,11 @@ #ifndef AMD_BLOCK_RESET_H #define AMD_BLOCK_RESET_H -#include <console/console.h> +#include <amdblocks/acpimmio.h> #include <arch/cache.h> +#include <console/console.h> #include <halt.h> +#include <soc/southbridge.h> void do_warm_reset(void); void do_cold_reset(void); @@ -28,4 +30,10 @@ static inline __noreturn void cold_reset(void) halt(); } +static inline void set_resets_to_cold(void) +{ + /* De-assert and then assert all PwrGood signals on CF9 reset. */ + pm_write16(PWR_RESET_CFG, pm_read16(PWR_RESET_CFG) | TOGGLE_ALL_PWR_GOOD); +} + #endif /* AMD_BLOCK_RESET_H */ |