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rush: Add usb support for rush in coreboot

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BUG=chrome-os-partner:31293
BRANCH=None
TEST=With non-cacheable memory region and dma range addition, booting from usb
reaches the same point as mmc.

Change-Id: I1083f8de2bfbe9a233d317b29b8fc56f47c7061d
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://chromium-review.googlesource.com/211039
Tested-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Commit-Queue: Furquan Shaikh <furquan@chromium.org>
This commit is contained in:
Furquan Shaikh 2014-08-05 21:14:54 -07:00 • committed by chrome-internal-fetch
commit a26e07b58f
2 changed files with 19 additions and 0 deletions
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18
src/mainboard/google/rush/mainboard.c
View file

@ -28,6 +28,7 @@
#include <soc/addressmap.h>
#include <soc/padconfig.h>
#include <soc/funitcfg.h>
#include <soc/nvidia/tegra/usb.h>
static const struct pad_config sdmmc3_pad[] = {
/* MMC3(SDCARD) */
@ -60,6 +61,13 @@ static const struct pad_config sdmmc4_pad[] = {
PAD_CFG_SFIO(SDMMC4_DAT7, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, SDMMC4),
};
static const struct pad_config padcfgs[] = {
/* We pull the USB VBUS signals up but keep them as inputs since the
* voltage source likes to drive them low on overcurrent conditions */
PAD_CFG_GPIO_INPUT(USB_VBUS_EN0, PINMUX_PULL_UP),
PAD_CFG_GPIO_INPUT(USB_VBUS_EN1, PINMUX_PULL_UP),
};
static const struct funit_cfg funitcfgs[] = {
FUNIT_CFG(SDMMC3, PLLP, 48000, sdmmc3_pad, ARRAY_SIZE(sdmmc3_pad)),
FUNIT_CFG(SDMMC4, PLLP, 48000, sdmmc4_pad, ARRAY_SIZE(sdmmc4_pad)),
@ -72,11 +80,21 @@ static void setup_ec_spi(void)
spi = tegra_spi_init(CONFIG_EC_GOOGLE_CHROMEEC_SPI_BUS);
}
static void setup_usb(void)
{
clock_enable_clear_reset(CLK_L_USBD, CLK_H_USB3, 0, 0, 0, 0);
usb_setup_utmip((void *)TEGRA_USBD_BASE);
usb_setup_utmip((void *)TEGRA_USB3_BASE);
}
static void mainboard_init(device_t dev)
{
soc_configure_pads(padcfgs, ARRAY_SIZE(padcfgs));
soc_configure_funits(funitcfgs, ARRAY_SIZE(funitcfgs));
setup_ec_spi();
setup_usb();
}
static void mainboard_enable(device_t dev)

1
src/soc/nvidia/tegra132/Makefile.inc
View file

@ -67,6 +67,7 @@ ramstage-y += ../tegra/pinmux.c
ramstage-y += ramstage.c
ramstage-y += mmu_operations.c
ramstage-$(CONFIG_CONSOLE_SERIAL_UART) += uart.c
ramstage-y += ../tegra/usb.c
rmodules_arm-y += monotonic_timer.c
VBOOT_STUB_DEPS += $(obj)/soc/nvidia/tegra132/monotonic_timer.rmodules_arm.o