diff options
| author | Rex-BC Chen <rex-bc.chen@mediatek.corp-partner.google.com> | 2021-10-13 20:08:26 +0800 |
|---|---|---|
| committer | Hung-Te Lin <hungte@chromium.org> | 2021-11-15 03:07:15 +0000 |
| commit | 2f9e5b9e34d5812047725b4aebf612848e8f507e (patch) | |
| tree | 046b81680234a9152f10315cb4bcd69be0694030 /src/soc | |
| parent | ea0b13205af6194d28babcd8e0c30f91c1550012 (diff) | |
soc/mediatek/mt8186: add USB support
1. Enable and setup USB drivers.
2. Pull up to a weak resistor for USB3_HUB_RST_L and we reset
the hub via GPIO149.
TEST=boot kernel from USB ok
BUG=b:202871018
Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
Change-Id: Ifcc11d51b0c1e495477957111e6021ef8275f629
Reviewed-on: https://review.coreboot.org/c/coreboot/+/59251
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Diffstat (limited to 'src/soc')
| -rw-r--r-- | src/soc/mediatek/mt8186/Makefile.inc | 1 | ||||
| -rw-r--r-- | src/soc/mediatek/mt8186/include/soc/addressmap.h | 6 | ||||
| -rw-r--r-- | src/soc/mediatek/mt8186/include/soc/usb.h | 29 | ||||
| -rw-r--r-- | src/soc/mediatek/mt8186/usb.c | 22 |
4 files changed, 56 insertions, 2 deletions
diff --git a/src/soc/mediatek/mt8186/Makefile.inc b/src/soc/mediatek/mt8186/Makefile.inc index 2107ab83e2..37c1b3c9de 100644 --- a/src/soc/mediatek/mt8186/Makefile.inc +++ b/src/soc/mediatek/mt8186/Makefile.inc @@ -37,6 +37,7 @@ ramstage-$(CONFIG_SPI_FLASH) += ../common/spi.c spi.c ramstage-y += soc.c ramstage-y += ../common/timer.c timer.c ramstage-y += ../common/uart.c +ramstage-y += ../common/usb.c usb.c ramstage-y += ../common/wdt.c wdt.c ramstage-y += ../common/pmic_wrap.c pmic_wrap.c mt6366.c diff --git a/src/soc/mediatek/mt8186/include/soc/addressmap.h b/src/soc/mediatek/mt8186/include/soc/addressmap.h index 28ba369474..cabafb62b3 100644 --- a/src/soc/mediatek/mt8186/include/soc/addressmap.h +++ b/src/soc/mediatek/mt8186/include/soc/addressmap.h @@ -64,9 +64,11 @@ enum { SPI5_BASE = IO_PHYS + 0x01015000, I2C5_BASE = IO_PHYS + 0x01016000, I2C9_BASE = IO_PHYS + 0x01019000, - SSUSB_IPPC_BASE = IO_PHYS + 0x01203E00, + /* Corsola uses USB2 port1 instead of USB2 port0. */ + SSUSB_IPPC_BASE = IO_PHYS + 0x01283E00, MSDC0_BASE = IO_PHYS + 0x01230000, - SSUSB_SIF_BASE = IO_PHYS + 0x01CA0000, + /* Corsola uses USB2 port1 instead of USB2 port0. */ + SSUSB_SIF_BASE = IO_PHYS + 0x01C80300, EFUSEC_BASE = IO_PHYS + 0x01CB0000, MIPITX_BASE = IO_PHYS + 0x01CC0000, MSDC0_TOP_BASE = IO_PHYS + 0x01CD0000, diff --git a/src/soc/mediatek/mt8186/include/soc/usb.h b/src/soc/mediatek/mt8186/include/soc/usb.h new file mode 100644 index 0000000000..297c8f186d --- /dev/null +++ b/src/soc/mediatek/mt8186/include/soc/usb.h @@ -0,0 +1,29 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +/* + * This file is created based on MT8186 Functional Specification + * Chapter number: 5.5 + */ + +#ifndef SOC_MEDIATEK_MT8186_USB_H +#define SOC_MEDIATEK_MT8186_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 1 + +#endif diff --git a/src/soc/mediatek/mt8186/usb.c b/src/soc/mediatek/mt8186/usb.c new file mode 100644 index 0000000000..328dc54e8d --- /dev/null +++ b/src/soc/mediatek/mt8186/usb.c @@ -0,0 +1,22 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +/* + * This file is created based on MT8186 Functional Specification + * Chapter number: 5.5 + */ + +#include <device/mmio.h> +#include <gpio.h> +#include <soc/gpio.h> +#include <soc/usb.h> + +static void usb3_hub_reset(void) +{ + gpio_output(GPIO(PERIPHERAL_EN2), 1); +} + +void mtk_usb_prepare(void) +{ + usb3_hub_reset(); + gpio_output(GPIO(USB_DRVVBUS_P1), 1); +} |