[coreboot-gerrit] Change in ...coreboot[master]: soc/apl: Add C-States configuration options

[Felix Singer (Code Review)]

Felix Singer has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/32050

Change subject: soc/apl: Add C-States configuration options
......................................................................

soc/apl: Add C-States configuration options

FSP-S options:
- C1e
- PkgCStateLimit
- CStateAutoDemotion
- CStateUnDemotion
- PkgCStateDemotion
- PkgCStateUnDemotion

Change-Id: I2ac16aa896fc851378cc049aaf385573e3a69320
Signed-off-by: Felix Singer 
---
M src/soc/intel/apollolake/chip.c
M src/soc/intel/apollolake/chip.h
2 files changed, 14 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/50/32050/1

diff --git a/src/soc/intel/apollolake/chip.c b/src/soc/intel/apollolake/chip.c
index 30a537b..15f2ba8 100644
--- a/src/soc/intel/apollolake/chip.c
+++ b/src/soc/intel/apollolake/chip.c
@@ -741,6 +741,13 @@
    /* Disable FSP from locking access to the RTC NVRAM */
    silconfig->RtcLock = 0;

+	silconfig->C1e = cfg->c1e;
+	silconfig->PkgCStateLimit = cfg->pkg_cstate_limit;
+	silconfig->CStateAutoDemotion = cfg->cstate_auto_demotion;
+	silconfig->CStateUnDemotion = cfg->cstate_undemotion;
+	silconfig->PkgCStateDemotion = cfg->pkg_cstate_demotion;
+	silconfig->PkgCStateUnDemotion = cfg->pkg_cstate_undemotion;
+
    /* Enable Audio clk gate and power gate */
    silconfig->HDAudioClkGate = cfg->hdaudio_clk_gate_enable;
    silconfig->HDAudioPwrGate = cfg->hdaudio_pwr_gate_enable;
diff --git a/src/soc/intel/apollolake/chip.h b/src/soc/intel/apollolake/chip.h
index b9e368c..6015acf 100644
--- a/src/soc/intel/apollolake/chip.h
+++ b/src/soc/intel/apollolake/chip.h
@@ -120,6 +120,13 @@
    /* PL2 override value in mW for APL */
    uint16_t tdp_pl2_override_mw;

+	uint8_t c1e;
+	uint8_t pkg_cstate_limit;
+	uint8_t cstate_auto_demotion;
+	uint8_t cstate_undemotion;
+	uint8_t pkg_cstate_demotion;
+	uint8_t pkg_cstate_undemotion;
+
    /* Configure Audio clk gate and power gate
     * IOSF-SB port ID 92 offset 0x530 [5] and [3]
     */