diff options
| author | Felix Held <felix-coreboot@felixheld.de> | 2021-02-09 01:07:00 +0100 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2021-02-10 01:31:39 +0000 |
| commit | 063fc1747aec2fb9f32756a800a89c5b9beeb0f8 (patch) | |
| tree | d31f5956253ed21a1133069cc6996e6edd023da7 /src/soc/amd/common/block | |
| parent | 1a973434c57fb11478c37ac9fb0b72b4ff0c919c (diff) | |
soc/amd: Move global_smi_enable to common/blocks/smi/smi_util
Change-Id: I4410772a8d3f2dedbb96601d87efb23b14e5f438
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42989
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc/amd/common/block')
| -rw-r--r-- | src/soc/amd/common/block/smi/smi_util.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/soc/amd/common/block/smi/smi_util.c b/src/soc/amd/common/block/smi/smi_util.c index dcf0c84b0a..1e4561d7a5 100644 --- a/src/soc/amd/common/block/smi/smi_util.c +++ b/src/soc/amd/common/block/smi/smi_util.c @@ -56,6 +56,15 @@ void configure_gevent_smi(uint8_t gevent, uint8_t mode, uint8_t level) smi_write32(SMI_REG_SMITRIG0, reg32); } +/** Set the EOS bit and enable SMI generation from southbridge */ +void global_smi_enable(void) +{ + uint32_t reg = smi_read32(SMI_REG_SMITRIG0); + reg &= ~SMITRG0_SMIENB; /* Enable SMI generation */ + reg |= SMITRG0_EOS; /* Set EOS bit */ + smi_write32(SMI_REG_SMITRIG0, reg); +} + void soc_route_sci(uint8_t event) { smi_write8(SMI_SCI_MAP(event), event); |