Add support for identifying USB host and device boot modes
Signed-off-by: Faiz Abbas <faiz_ab...@ti.com>
---
arch/arm/mach-k3/am6_init.c | 5 +++++
arch/arm/mach-k3/include/mach/am6_hardware.h | 2 ++
arch/arm/mach-k3/include/mach/am6_spl.h | 3 ++-
3 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/arch/arm/mach-k3/am6_init.c b/arch/arm/mach-k3/am6_init.c
index b65860fef3..59ab782116 100644
--- a/arch/arm/mach-k3/am6_init.c
+++ b/arch/arm/mach-k3/am6_init.c
@@ -357,6 +357,11 @@ static u32 __get_primary_bootmedia(u32 devstat)
CTRLMMR_MAIN_DEVSTAT_EMMC_PORT_SHIFT;
if (port == 0x1)
bootmode = BOOT_DEVICE_MMC2;
+ } else if (bootmode == BOOT_DEVICE_DFU) {
+ u32 mode = (devstat & CTRLMMR_MAIN_DEVSTAT_USB_MODE_MASK) >>
+ CTRLMMR_MAIN_DEVSTAT_USB_MODE_SHIFT;
+ if (mode == 0x2)
+ bootmode = BOOT_DEVICE_USB;
}
return bootmode;
diff --git a/arch/arm/mach-k3/include/mach/am6_hardware.h
b/arch/arm/mach-k3/include/mach/am6_hardware.h
index a91ef5f735..1908a13f0f 100644
--- a/arch/arm/mach-k3/include/mach/am6_hardware.h
+++ b/arch/arm/mach-k3/include/mach/am6_hardware.h
@@ -25,6 +25,8 @@
#define CTRLMMR_MAIN_DEVSTAT_EMMC_PORT_SHIFT 14
#define CTRLMMR_MAIN_DEVSTAT_BKUP_MMC_PORT_MASK GENMASK(17, 17)
#define CTRLMMR_MAIN_DEVSTAT_BKUP_MMC_PORT_SHIFT 12
+#define CTRLMMR_MAIN_DEVSTAT_USB_MODE_SHIFT 9
+#define CTRLMMR_MAIN_DEVSTAT_USB_MODE_MASK GENMASK(10, 9)
#define WKUP_CTRL_MMR0_BASE 0x43000000
#define MCU_CTRL_MMR0_BASE 0x40f00000
diff --git a/arch/arm/mach-k3/include/mach/am6_spl.h
b/arch/arm/mach-k3/include/mach/am6_spl.h
index e97d8143c6..61e0380927 100644
--- a/arch/arm/mach-k3/include/mach/am6_spl.h
+++ b/arch/arm/mach-k3/include/mach/am6_spl.h
@@ -14,7 +14,8 @@
#define BOOT_DEVICE_I2C 0x05
#define BOOT_DEVICE_MMC2 0x06
#define BOOT_DEVICE_ETHERNET 0x07
-#define BOOT_DEVICE_USB 0x08
+#define BOOT_DEVICE_DFU 0x08
+#define BOOT_DEVICE_USB 0x408
#define BOOT_DEVICE_PCIE 0x09
#define BOOT_DEVICE_UART 0x0a
#define BOOT_DEVICE_NAND 0x0c
--
2.17.1
