Patrick Georgi submitted this change.
soc/mediatek/mt8192: Refactor USB code among similar SoCs
Adjust ssusb register layout and offset accroding mt8192 Soc
then refactor USB code which will be reused among similar SoCs
Signed-off-by: Tianping Fang <tianping.fang@mediatek.com>
Signed-off-by: Zhanyong Wang <zhanyong.wang@mediatek.com>
Change-Id: Icb4cc304654b5fb7cf20b96ab83a22663bfeab63
Reviewed-on: https://review.coreboot.org/c/coreboot/+/45396
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
---
M src/soc/mediatek/mt8192/Makefile.inc
A src/soc/mediatek/mt8192/include/soc/usb.h
A src/soc/mediatek/mt8192/usb.c
3 files changed, 40 insertions(+), 0 deletions(-)
diff --git a/src/soc/mediatek/mt8192/Makefile.inc b/src/soc/mediatek/mt8192/Makefile.inc
index c7dbe51..533eae2 100644
--- a/src/soc/mediatek/mt8192/Makefile.inc
+++ b/src/soc/mediatek/mt8192/Makefile.inc
@@ -32,6 +32,7 @@
ramstage-y += soc.c
ramstage-y += ../common/timer.c
ramstage-y += ../common/uart.c
+ramstage-y += ../common/usb.c usb.c
CPPFLAGS_common += -Isrc/soc/mediatek/mt8192/include
CPPFLAGS_common += -Isrc/soc/mediatek/common/include
diff --git a/src/soc/mediatek/mt8192/include/soc/usb.h b/src/soc/mediatek/mt8192/include/soc/usb.h
new file mode 100644
index 0000000..c988270
--- /dev/null
+++ b/src/soc/mediatek/mt8192/include/soc/usb.h
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef SOC_MEDIATEK_MT8192_USB_H
+#define SOC_MEDIATEK_MT8192_USB_H
+
+#include <soc/usb_common.h>
+
+struct ssusb_sif_port {
+ struct sif_u2_phy_com u2phy;
+ u32 reserved0[64*5];
+ struct sif_u3phyd u3phyd;
+ u32 reserved1[64];
+ struct sif_u3phya u3phya;
+ struct sif_u3phya_da u3phya_da;
+ u32 reserved2[64 * 3];
+};
+check_member(ssusb_sif_port, u3phyd, 0x600);
+check_member(ssusb_sif_port, u3phya, 0x800);
+check_member(ssusb_sif_port, u3phya_da, 0x900);
+check_member(ssusb_sif_port, reserved2, 0xa00);
+
+#define USB_PORT_NUMBER 2
+
+#endif
diff --git a/src/soc/mediatek/mt8192/usb.c b/src/soc/mediatek/mt8192/usb.c
new file mode 100644
index 0000000..44f2f15
--- /dev/null
+++ b/src/soc/mediatek/mt8192/usb.c
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <soc/addressmap.h>
+#include <device/mmio.h>
+#include <soc/usb.h>
+
+#define REG_SPM_POWERON_CONFIG_EN (void *)(SPM_BASE + 0x000)
+#define REG_SPM_SSPM_PWR_CON (void *)(SPM_BASE + 0x390)
+
+void mtk_usb_prepare(void)
+{
+ /* power on SSUSB SRAM FIFO */
+ setbits32(REG_SPM_POWERON_CONFIG_EN, 0xB160001);
+ clrbits32(REG_SPM_SSPM_PWR_CON, 0x000001FF);
+}
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