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| author | Aswath Govindraju <a-govindraju@ti.com> | 2021-08-04 18:42:44 +0530 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2021-09-10 20:10:20 -0400 |
| commit | 3d16b33533801be14d0d7b8041aee0a9832bc8eb (patch) | |
| tree | f35e9f29515f3e39cec7e68f251df0ba5f95ad46 | |
| parent | 11e2ab3f0bc8d339c66a4bab26216278c3c20553 (diff) | |
| download | u-boot-3d16b33533801be14d0d7b8041aee0a9832bc8eb.zip u-boot-3d16b33533801be14d0d7b8041aee0a9832bc8eb.tar.gz u-boot-3d16b33533801be14d0d7b8041aee0a9832bc8eb.tar.bz2 | |
board: ti: am64x: Add support for fixing dr_mode while booting from USB
Fix the dr_mode in the U-Boot device tree blob, by reading the mode field
from the USB Boot Configuration fields. The dr_mode will only be fixed when
booting from USB.
Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
| -rw-r--r-- | board/ti/am64x/evm.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/board/ti/am64x/evm.c b/board/ti/am64x/evm.c index 21c58c7..1a9f69c 100644 --- a/board/ti/am64x/evm.c +++ b/board/ti/am64x/evm.c @@ -10,6 +10,7 @@ #include <common.h> #include <asm/io.h> #include <spl.h> +#include <fdt_support.h> #include <asm/arch/hardware.h> #include <asm/arch/sys_proto.h> #include <env.h> @@ -60,6 +61,37 @@ int board_fit_config_name_match(const char *name) } #endif +#if defined(CONFIG_SPL_BUILD) && CONFIG_IS_ENABLED(USB_STORAGE) +static int fixup_usb_boot(const void *fdt_blob) +{ + int ret = 0; + + switch (spl_boot_device()) { + case BOOT_DEVICE_USB: + /* + * If the boot mode is host, fixup the dr_mode to host + * before cdns3 bind takes place + */ + ret = fdt_find_and_setprop((void *)fdt_blob, + "/bus@f4000/cdns-usb@f900000/usb@f400000", + "dr_mode", "host", 5, 0); + if (ret) + printf("%s: fdt_find_and_setprop() failed:%d\n", + __func__, ret); + fallthrough; + default: + break; + } + + return ret; +} + +void spl_perform_fixups(struct spl_image_info *spl_image) +{ + fixup_usb_boot(spl_image->fdt_addr); +} +#endif + #ifdef CONFIG_TI_I2C_BOARD_DETECT int do_board_detect(void) { |