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board: ti: am64x: Add support for fixing dr_mode while booting from USB

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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>
This commit is contained in:
Aswath Govindraju 2021-08-04 18:42:44 +05:30 committed by Tom Rini
parent 11e2ab3f0b
commit 3d16b33533
1 changed files with 32 additions and 0 deletions
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32
board/ti/am64x/evm.c
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@ -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)
{