Felix Held has uploaded this change for review.
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 <felix-coreboot@felixheld.de>
Change-Id: I0dbe819222972d9bf0789671b031ad83648e8917
---
M src/soc/amd/common/block/emmc/Kconfig
M src/soc/amd/common/block/emmc/emmc.c
2 files changed, 8 insertions(+), 1 deletion(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/25/79825/1
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);
}
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