[coreboot-gerrit] Change in coreboot[master]: soc/amd/stoneyridge: Disable SATA if not in devicetree
Richard Spiegel (Code Review)
gerrit at coreboot.org
Fri Aug 3 19:37:42 CEST 2018
Richard Spiegel has uploaded this change for review. ( https://review.coreboot.org/27845
Change subject: soc/amd/stoneyridge: Disable SATA if not in devicetree
......................................................................
soc/amd/stoneyridge: Disable SATA if not in devicetree
Grunt boards don't use SATA, so it should be disabled to save power.
Create a way to check if SATA is present in devicetree, and if not then
disable SATA. Use it to disable grunt SATA.
BUG=b:112139043
TEST=Buil and boot grunt, checked the absence of SATA PCI.
Change-Id: I4a3b5f65e612e8da5bedff0c557a0850f350dfa8
Signed-off-by: Richard Spiegel <richard.spiegel at silverbackltd.com>
---
M src/mainboard/google/kahlee/variants/grunt/devicetree.cb
M src/soc/amd/stoneyridge/BiosCallOuts.c
M src/soc/amd/stoneyridge/southbridge.c
3 files changed, 35 insertions(+), 18 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/45/27845/1
diff --git a/src/mainboard/google/kahlee/variants/grunt/devicetree.cb b/src/mainboard/google/kahlee/variants/grunt/devicetree.cb
index a5229b4..286f8a5 100644
--- a/src/mainboard/google/kahlee/variants/grunt/devicetree.cb
+++ b/src/mainboard/google/kahlee/variants/grunt/devicetree.cb
@@ -73,7 +73,6 @@
device pci 9.0 on end # PCIe Host Bridge
device pci 9.2 on end # HDA
device pci 10.0 on end # xHCI
- device pci 11.0 on end # SATA
device pci 12.0 on end # EHCI
device pci 14.0 on # SMbus
end # SMbus
diff --git a/src/soc/amd/stoneyridge/BiosCallOuts.c b/src/soc/amd/stoneyridge/BiosCallOuts.c
index 430dc45..9b204f0 100644
--- a/src/soc/amd/stoneyridge/BiosCallOuts.c
+++ b/src/soc/amd/stoneyridge/BiosCallOuts.c
@@ -53,6 +53,7 @@
AGESA_STATUS agesa_fch_initenv(UINT32 Func, UINTN FchData, VOID *ConfigPtr)
{
AMD_CONFIG_PARAMS *StdHeader = ConfigPtr;
+ const struct device *dev = dev_find_slot(0, SATA_DEVFN);
if (StdHeader->Func == AMD_INIT_ENV) {
FCH_DATA_BLOCK *FchParams_env = (FCH_DATA_BLOCK *)FchData;
@@ -67,19 +68,22 @@
/* SATA configuration */
FchParams_env->Sata.SataClass = CONFIG_STONEYRIDGE_SATA_MODE;
- switch ((SATA_CLASS)CONFIG_STONEYRIDGE_SATA_MODE) {
- case SataRaid:
- case SataAhci:
- case SataAhci7804:
- case SataLegacyIde:
+ if (dev) {
+ switch ((SATA_CLASS)CONFIG_STONEYRIDGE_SATA_MODE) {
+ case SataRaid:
+ case SataAhci:
+ case SataAhci7804:
+ case SataLegacyIde:
+ FchParams_env->Sata.SataIdeMode = FALSE;
+ break;
+ case SataIde2Ahci:
+ case SataIde2Ahci7804:
+ default: /* SataNativeIde */
+ FchParams_env->Sata.SataIdeMode = TRUE;
+ break;
+ }
+ } else
FchParams_env->Sata.SataIdeMode = FALSE;
- break;
- case SataIde2Ahci:
- case SataIde2Ahci7804:
- default: /* SataNativeIde */
- FchParams_env->Sata.SataIdeMode = TRUE;
- break;
- }
/* Platform updates */
platform_FchParams_env(FchParams_env);
diff --git a/src/soc/amd/stoneyridge/southbridge.c b/src/soc/amd/stoneyridge/southbridge.c
index 63d8806..585321a 100644
--- a/src/soc/amd/stoneyridge/southbridge.c
+++ b/src/soc/amd/stoneyridge/southbridge.c
@@ -72,18 +72,32 @@
void SetFchResetParams(FCH_RESET_INTERFACE *params)
{
+ const struct device *dev = dev_find_slot(0, SATA_DEVFN);
params->Xhci0Enable = IS_ENABLED(CONFIG_STONEYRIDGE_XHCI_ENABLE);
- params->SataEnable = sb_sata_enable();
- params->IdeEnable = sb_ide_enable();
+ if (dev) {
+ params->SataEnable = sb_sata_enable();
+ params->IdeEnable = sb_ide_enable();
+ } else {
+ params->SataEnable = FALSE;
+ params->IdeEnable = FALSE;
+ }
}
void SetFchEnvParams(FCH_INTERFACE *params)
{
+ const struct device *dev = dev_find_slot(0, SATA_DEVFN);
params->AzaliaController = AzEnable;
params->SataClass = CONFIG_STONEYRIDGE_SATA_MODE;
- params->SataEnable = is_sata_config();
- params->IdeEnable = !params->SataEnable;
- params->SataIdeMode = (CONFIG_STONEYRIDGE_SATA_MODE == SataLegacyIde);
+ if (dev) {
+ params->SataEnable = is_sata_config();
+ params->IdeEnable = !params->SataEnable;
+ params->SataIdeMode = (CONFIG_STONEYRIDGE_SATA_MODE ==
+ SataLegacyIde);
+ } else {
+ params->SataEnable = FALSE;
+ params->IdeEnable = FALSE;
+ params->SataIdeMode = FALSE;
+ }
}
void SetFchMidParams(FCH_INTERFACE *params)
--
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Gerrit-Project: coreboot
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: I4a3b5f65e612e8da5bedff0c557a0850f350dfa8
Gerrit-Change-Number: 27845
Gerrit-PatchSet: 1
Gerrit-Owner: Richard Spiegel <richard.spiegel at silverbackltd.com>
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