From ccff30475165919914029a7756dc20d783c7ebe3 Mon Sep 17 00:00:00 2001 From: Sandeep Maheswaram Date: Fri, 4 Jun 2021 11:07:53 +0530 Subject: herobrine: Assert gpio for USB_HUB_LDO_EN Some herobrine variants have USB hub powered by discrete LDO that is controlled by USB_HUB_LDO_EN gpio. Assert the GPIO on boot. BUG=b:182963902 TEST=Validated on qualcomm sc7280 development board. Signed-off-by: Sandeep Maheswaram Change-Id: Ia94e046f9eb0d3ce593f3445e0203a7391c14de2 Reviewed-on: https://review.coreboot.org/c/coreboot/+/55378 Tested-by: build bot (Jenkins) Reviewed-by: Julius Werner --- src/mainboard/google/herobrine/board.h | 7 +++++++ src/mainboard/google/herobrine/mainboard.c | 3 +++ 2 files changed, 10 insertions(+) (limited to 'src') diff --git a/src/mainboard/google/herobrine/board.h b/src/mainboard/google/herobrine/board.h index 0e4a7607b8..4278c11712 100644 --- a/src/mainboard/google/herobrine/board.h +++ b/src/mainboard/google/herobrine/board.h @@ -9,6 +9,13 @@ #define GPIO_SD_CD_L GPIO(91) +#if CONFIG(BOARD_GOOGLE_SENOR) || CONFIG(BOARD_GOOGLE_PIGLIN) || CONFIG(BOARD_GOOGLE_HOGLIN) +#define USB_HUB_LDO_EN GPIO(157) +#else +/* For Herobrine board and all variants */ +#define USB_HUB_LDO_EN GPIO(24) +#endif + #define QCOM_SC7280_SKU1 0x0 #define QCOM_SC7280_SKU2 0x1 #define QCOM_SC7280_SKU3 0x2 diff --git a/src/mainboard/google/herobrine/mainboard.c b/src/mainboard/google/herobrine/mainboard.c index e64fb15ae6..a2e0786866 100644 --- a/src/mainboard/google/herobrine/mainboard.c +++ b/src/mainboard/google/herobrine/mainboard.c @@ -24,6 +24,9 @@ static struct usb_board_data usb0_board_data = { static void setup_usb(void) { + /* Assert EN_PP3300_HUB for those board variants that use it. */ + gpio_output(USB_HUB_LDO_EN, 1); + setup_usb_host0(&usb0_board_data); } -- cgit v1.2.3