[XS] Change in coreboot[main]: soc/amd/common/emmc: add Kconfig option to skip powering off eMMC

[Felix Held (Code Review)]

Felix Held has submitted this change. ( https://review.coreboot.org/c/coreboot/+/79825?usp=email )

Change subject: soc/amd/common/emmc: add Kconfig option to skip powering off eMMC
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soc/amd/common/emmc: add Kconfig option to skip powering off eMMC

Add a Kconfig option to skip powering off the eMMC controller via the
AOAC block in the case where the eMMC controller is disabled in the
devicetree.

Signed-off-by: Felix Held 
Change-Id: I0dbe819222972d9bf0789671b031ad83648e8917
Reviewed-on: https://review.coreboot.org/c/coreboot/+/79825
Reviewed-by: Matt DeVillier 
Tested-by: build bot (Jenkins) 
---
M src/soc/amd/common/block/emmc/Kconfig
M src/soc/amd/common/block/emmc/emmc.c
2 files changed, 8 insertions(+), 1 deletion(-)

Approvals:
  build bot (Jenkins): Verified
  Matt DeVillier: Looks good to me, approved

diff --git a/src/soc/amd/common/block/emmc/Kconfig b/src/soc/amd/common/block/emmc/Kconfig
index 96bbada..6316841 100644
--- a/src/soc/amd/common/block/emmc/Kconfig
+++ b/src/soc/amd/common/block/emmc/Kconfig
@@ -2,3 +2,10 @@
    bool
    help
      Select this option to use AMD common EMMC driver support.
+
+config SOC_AMD_COMMON_BLOCK_EMMC_SKIP_POWEROFF
+	bool
+	depends on SOC_AMD_COMMON_BLOCK_EMMC
+	help
+	  Select this option to try to switch off the power of the eMMC
+	  controller via the AOAC registers.
diff --git a/src/soc/amd/common/block/emmc/emmc.c b/src/soc/amd/common/block/emmc/emmc.c
index 09d2350..9242d71 100644
--- a/src/soc/amd/common/block/emmc/emmc.c
+++ b/src/soc/amd/common/block/emmc/emmc.c
@@ -12,7 +12,7 @@

static void emmc_enable(struct device *dev)
 {
-	if (!dev->enabled)
+	if (!dev->enabled && !CONFIG(SOC_AMD_COMMON_BLOCK_EMMC_SKIP_POWEROFF))
    	power_off_aoac_device(FCH_AOAC_DEV_EMMC);
 }