diff options
| author | Marshall Dawson <marshalldawson3rd@gmail.com> | 2017-11-08 15:43:06 -0700 |
|---|---|---|
| committer | Aaron Durbin <adurbin@chromium.org> | 2017-11-10 19:17:42 +0000 |
| commit | 0756880b804a3798561937220e471321c05d6c81 (patch) | |
| tree | 699ec55b50c6960d16953d51b3688668123b8117 /src/soc | |
| parent | c5ada656200ecd4efcadf7ea5e33dfaea56d4ef7 (diff) | |
amd/stoneyridge: Add function to find Pm1EvtBlk base
The AcpiPm1EvtBlk base I/O address is configured in PMx60. Add a
helper function to read this. The register is not lockable so it
shouldn't be assumed to be at its original address.
Change-Id: I91ebfb454c2d2ae561e658d903f33bfb34e1ad6f
Signed-off-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-on: https://review.coreboot.org/22413
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Marc Jones <marc@marcjonesconsulting.com>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src/soc')
| -rw-r--r-- | src/soc/amd/stoneyridge/include/soc/southbridge.h | 1 | ||||
| -rw-r--r-- | src/soc/amd/stoneyridge/sb_util.c | 5 |
2 files changed, 6 insertions, 0 deletions
diff --git a/src/soc/amd/stoneyridge/include/soc/southbridge.h b/src/soc/amd/stoneyridge/include/soc/southbridge.h index 3bc92967a3..771554a40e 100644 --- a/src/soc/amd/stoneyridge/include/soc/southbridge.h +++ b/src/soc/amd/stoneyridge/include/soc/southbridge.h @@ -265,6 +265,7 @@ void smi_write8(uint8_t offset, uint8_t value); void smi_write16(uint8_t offset, uint16_t value); void smi_write32(uint8_t offset, uint32_t value); uint16_t pm_acpi_pm_cnt_blk(void); +uint16_t pm_acpi_pm_evt_blk(void); int s3_load_nvram_early(int size, u32 *old_dword, int nvram_pos); int s3_save_nvram_early(u32 dword, int size, int nvram_pos); void bootblock_fch_early_init(void); diff --git a/src/soc/amd/stoneyridge/sb_util.c b/src/soc/amd/stoneyridge/sb_util.c index ebf791d6ff..f7c6b45ac3 100644 --- a/src/soc/amd/stoneyridge/sb_util.c +++ b/src/soc/amd/stoneyridge/sb_util.c @@ -79,3 +79,8 @@ uint16_t pm_acpi_pm_cnt_blk(void) { return pm_read16(PM1_CNT_BLK); } + +uint16_t pm_acpi_pm_evt_blk(void) +{ + return pm_read16(PM_EVT_BLK); +} |