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authorShelley Chen <shchen@google.com>2023-01-11 16:10:07 -0800
committerShelley Chen <shchen@google.com>2023-02-08 17:00:27 +0000
commit978b47463e534c2b8325ebd9c86464555d96d4b6 (patch)
tree33843d188f986489c0c58a14d33e2cd763739eb8 /src/soc
parent8488b5948d52e208dc07bfdf621756ee0cbf6db4 (diff)
soc/qualcomm/sc7280: init eMMC
Use common sdhci driver in coreboot to initialize eMMC for sc7280. This should allow us to initialize eMMC earlier in the boot process, taking it out of the critical path. BUG=b:254092907 BRANCH=None TEST=emerge-herobrine coreboot chromeos-bootimage Change-Id: Ifa88da500e82b44d7523f2e68763e01399c89f4d Signed-off-by: Shelley Chen <shchen@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/71829 Reviewed-by: Julius Werner <jwerner@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc')
-rw-r--r--src/soc/qualcomm/sc7280/Kconfig3
-rw-r--r--src/soc/qualcomm/sc7280/Makefile.inc1
-rw-r--r--src/soc/qualcomm/sc7280/include/soc/addressmap.h3
-rw-r--r--src/soc/qualcomm/sc7280/include/soc/sdhci.h8
-rw-r--r--src/soc/qualcomm/sc7280/sdhci.c27
5 files changed, 42 insertions, 0 deletions
diff --git a/src/soc/qualcomm/sc7280/Kconfig b/src/soc/qualcomm/sc7280/Kconfig
index ccba8ff9b5..985afdce80 100644
--- a/src/soc/qualcomm/sc7280/Kconfig
+++ b/src/soc/qualcomm/sc7280/Kconfig
@@ -21,6 +21,9 @@ config SOC_QUALCOMM_SC7280
select HAVE_UART_SPECIAL
select PCI
select NO_ECAM_MMCONF_SUPPORT
+ select COMMONLIB_STORAGE
+ select COMMONLIB_STORAGE_MMC
+ select SDHCI_CONTROLLER
if SOC_QUALCOMM_SC7280
diff --git a/src/soc/qualcomm/sc7280/Makefile.inc b/src/soc/qualcomm/sc7280/Makefile.inc
index bd0afe4da5..440148494d 100644
--- a/src/soc/qualcomm/sc7280/Makefile.inc
+++ b/src/soc/qualcomm/sc7280/Makefile.inc
@@ -55,6 +55,7 @@ ramstage-$(CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT) += ../common/display/mdss.c
ramstage-$(CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT) += display/disp.c
ramstage-$(CONFIG_PCI) += ../common/pcie_common.c
ramstage-$(CONFIG_PCI) += pcie.c
+ramstage-$(CONFIG_SDHCI_CONTROLLER) += sdhci.c ../common/storage/sdhci_msm.c
################################################################################
diff --git a/src/soc/qualcomm/sc7280/include/soc/addressmap.h b/src/soc/qualcomm/sc7280/include/soc/addressmap.h
index 31f7d64f8f..342de9f9a4 100644
--- a/src/soc/qualcomm/sc7280/include/soc/addressmap.h
+++ b/src/soc/qualcomm/sc7280/include/soc/addressmap.h
@@ -91,4 +91,7 @@
/* PHY BCR */
#define GCC_PCIE_1_PHY_BCR 0x18E01C
+/* eMMC base address */
+#define SDC1_HC_BASE 0x007C4000
+
#endif /* __SOC_QUALCOMM_SC7280_ADDRESS_MAP_H__ */
diff --git a/src/soc/qualcomm/sc7280/include/soc/sdhci.h b/src/soc/qualcomm/sc7280/include/soc/sdhci.h
new file mode 100644
index 0000000000..70635c08d3
--- /dev/null
+++ b/src/soc/qualcomm/sc7280/include/soc/sdhci.h
@@ -0,0 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef _SOC_QUALCOMM_SC7280_SDHCI_H__
+#define _SOC_QUALCOMM_SC7280_SDHCI_H__
+
+int qc_emmc_early_init(void);
+
+#endif // _SOC_QUALCOMM_SC7280_SDHCI_H__
diff --git a/src/soc/qualcomm/sc7280/sdhci.c b/src/soc/qualcomm/sc7280/sdhci.c
new file mode 100644
index 0000000000..6e676f4feb
--- /dev/null
+++ b/src/soc/qualcomm/sc7280/sdhci.c
@@ -0,0 +1,27 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <commonlib/sdhci.h>
+#include <commonlib/storage.h>
+#include <commonlib/storage/sd_mmc.h>
+#include <commonlib/storage/sdhci.h>
+#include <commonlib/sd_mmc_ctrlr.h>
+#include <soc/addressmap.h>
+#include <soc/sdhci.h>
+#include <soc/sdhci_msm.h>
+
+int qc_emmc_early_init(void)
+{
+ struct sd_mmc_ctrlr *ctrlr;
+ struct storage_media media = {0};
+
+ ctrlr = new_sdhci_msm_host((void *)(uintptr_t)SDC1_HC_BASE);
+ if (ctrlr == NULL)
+ return -1;
+
+ media.ctrlr = ctrlr;
+ SET_BUS_WIDTH(ctrlr, 1);
+ SET_CLOCK(ctrlr, 384 * 1000);
+
+ /* Send CMD1 */
+ return mmc_send_cmd1(&media);
+}