[coreboot-gerrit] Change in coreboot[master]: soc/amd/picasso: Add THERMCTL_LIMIT DPTC parameter support

[Kevin Chiu (Code Review)]

Kevin Chiu has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/45519 )

Change subject: soc/amd/picasso: Add THERMCTL_LIMIT DPTC parameter support
......................................................................

soc/amd/picasso: Add THERMCTL_LIMIT DPTC parameter support

Add THERMCTL_LIMIT (die temperature limit) DPTC parameter
for clamshell/tablet mode.

BUG=b:157943445
BRANCH=master
TEST=build

Change-Id: Id193a74210c92d1e45ed4824ee9c0fc9ceaa5e3a
Signed-off-by: Kevin Chiu 
---
M src/soc/amd/picasso/chip.h
M src/soc/amd/picasso/root_complex.c
2 files changed, 11 insertions(+), 3 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/19/45519/1

diff --git a/src/soc/amd/picasso/chip.h b/src/soc/amd/picasso/chip.h
index 1167509..8fe5269 100644
--- a/src/soc/amd/picasso/chip.h
+++ b/src/soc/amd/picasso/chip.h
@@ -97,6 +97,7 @@
    uint32_t fast_ppt_limit_tablet_mode;
    uint32_t slow_ppt_limit_tablet_mode;
    uint32_t sustained_power_limit_tablet_mode;
+	uint32_t thermctl_limit_tablet_mode;

/* PROCHOT_L de-assertion Ramp Time */
    uint32_t prochot_l_deassertion_ramp_time;
diff --git a/src/soc/amd/picasso/root_complex.c b/src/soc/amd/picasso/root_complex.c
index 6c721e1..9c94b07 100644
--- a/src/soc/amd/picasso/root_complex.c
+++ b/src/soc/amd/picasso/root_complex.c
@@ -17,10 +17,11 @@

enum {
    ALIB_DPTCI_FUNCTION_ID = 0xc,
+	THERMAL_CONTROL_LIMIT_ID = 0x3,
    SUSTAINED_POWER_LIMIT_PARAM_ID = 0x5,
    FAST_PPT_LIMIT_PARAM_ID = 0x6,
    SLOW_PPT_LIMIT_PARAM_ID = 0x7,
-	DPTC_TOTAL_UPDATE_PARAMS = 3,
+	DPTC_TOTAL_UPDATE_PARAMS = 4,
 };

struct dptc_param {
@@ -33,11 +34,15 @@
    struct dptc_param params[DPTC_TOTAL_UPDATE_PARAMS];
 } __packed;

-#define DPTC_INPUTS(_sustained, _fast, _slow)					\
+#define DPTC_INPUTS(_thermctllmit, _sustained, _fast, _slow)					\
    	{								\
    		.size = sizeof(struct dptc_input),			\
    		.params = {						\
    			{						\
+					.id = THERMAL_CONTROL_LIMIT_ID,		\
+					.value = _thermctllmit,			\
+				},						\
+				{						\
    				.id = SUSTAINED_POWER_LIMIT_PARAM_ID,	\
    				.value = _sustained,			\
    			},						\
@@ -195,10 +200,12 @@
    if (!config->dptc_enable)
    	return;

-	struct dptc_input default_input = DPTC_INPUTS(config->sustained_power_limit,
+	struct dptc_input default_input = DPTC_INPUTS(config->thermctl_limit,
+							config->sustained_power_limit,
    						config->fast_ppt_limit,
    						config->slow_ppt_limit);
    struct dptc_input tablet_mode_input = DPTC_INPUTS(
+					config->thermctl_limit_tablet_mode,
    				config->sustained_power_limit_tablet_mode,
    				config->fast_ppt_limit_tablet_mode,
    				config->slow_ppt_limit_tablet_mode);