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authorRichard Spiegel <richard.spiegel@amd.corp-partner.google.com>2018-10-11 08:15:43 -0700
committerMartin Roth <martinroth@google.com>2018-10-11 21:04:10 +0000
commitde5d04011cb2f3de4e93381d58a4d01d5682a3f9 (patch)
treec95e5b9f657ef1a0807c536b90b8e32e1468e806 /src/soc/amd
parentf9735dc760e11136fb0a1623b3ec5a51399d3cab (diff)
downloadcoreboot-de5d04011cb2f3de4e93381d58a4d01d5682a3f9.tar.xz
amd/stoneyridge: Indicate STAPM units in their name
STAPM devicetree registers do not indicate the unit, which causes confusion. More importantly, the time was assumed to be in seconds when it's actually milliseconds. This caused early STAPM configurations to fail. BUG=b:117590953 TEST=Build grunt Change-Id: I2a7e3d43601992d1f7b02456913c763d940fe9ee Signed-off-by: Richard Spiegel <richard.spiegel@silverbackltd.com> Reviewed-on: https://review.coreboot.org/29035 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Martin Roth <martinroth@google.com> Reviewed-by: Marc Jones <marc@marcjonesconsulting.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc/amd')
-rw-r--r--src/soc/amd/stoneyridge/chip.h4
-rw-r--r--src/soc/amd/stoneyridge/romstage.c9
2 files changed, 7 insertions, 6 deletions
diff --git a/src/soc/amd/stoneyridge/chip.h b/src/soc/amd/stoneyridge/chip.h
index 8ed8e4d903..320bef0bdf 100644
--- a/src/soc/amd/stoneyridge/chip.h
+++ b/src/soc/amd/stoneyridge/chip.h
@@ -61,8 +61,8 @@ struct soc_amd_stoneyridge_config {
u8 i2c_scl_reset;
struct dw_i2c_bus_config i2c[STONEY_I2C_DEV_MAX];
u8 stapm_percent;
- u32 stapm_time;
- u32 stapm_power;
+ u32 stapm_time_ms;
+ u32 stapm_power_mw;
};
typedef struct soc_amd_stoneyridge_config config_t;
diff --git a/src/soc/amd/stoneyridge/romstage.c b/src/soc/amd/stoneyridge/romstage.c
index 555e901501..ed83e1ee1d 100644
--- a/src/soc/amd/stoneyridge/romstage.c
+++ b/src/soc/amd/stoneyridge/romstage.c
@@ -235,12 +235,13 @@ void soc_customize_init_early(AMD_EARLY_PARAMS *InitEarly)
}
cfg = dev->chip_info;
platform = &InitEarly->PlatformConfig;
- if ((cfg->stapm_percent) && (cfg->stapm_time) && (cfg->stapm_power)) {
+ if ((cfg->stapm_percent) && (cfg->stapm_time_ms) &&
+ (cfg->stapm_power_mw)) {
platform->PlatStapmConfig.CfgStapmScalar = cfg->stapm_percent;
platform->PlatStapmConfig.CfgStapmTimeConstant =
- cfg->stapm_time;
- platform->PkgPwrLimitDC = cfg->stapm_power;
- platform->PkgPwrLimitAC = cfg->stapm_power;
+ cfg->stapm_time_ms;
+ platform->PkgPwrLimitDC = cfg->stapm_power_mw;
+ platform->PkgPwrLimitAC = cfg->stapm_power_mw;
platform->PlatStapmConfig.CfgStapmBoost = StapmBoostEnabled;
}
}