Add support for identifying USB host and device boot modes
Signed-off-by: Aswath Govindraju a-govindraju@ti.com --- arch/arm/mach-k3/am642_init.c | 13 +++++++++++-- arch/arm/mach-k3/include/mach/am64_hardware.h | 5 +++++ arch/arm/mach-k3/include/mach/am64_spl.h | 6 ++++-- 3 files changed, 20 insertions(+), 4 deletions(-)
diff --git a/arch/arm/mach-k3/am642_init.c b/arch/arm/mach-k3/am642_init.c index a433702b4e30..1a2bc4bb9048 100644 --- a/arch/arm/mach-k3/am642_init.c +++ b/arch/arm/mach-k3/am642_init.c @@ -192,8 +192,11 @@ static u32 __get_backup_bootmedia(u32 main_devstat) case BACKUP_BOOT_DEVICE_UART: return BOOT_DEVICE_UART;
- case BACKUP_BOOT_DEVICE_USB: - return BOOT_DEVICE_USB; + case BACKUP_BOOT_DEVICE_DFU: + if (bkup_bootmode_cfg & MAIN_DEVSTAT_BACKUP_USB_MODE_MASK) + return BOOT_DEVICE_USB; + return BOOT_DEVICE_DFU; +
case BACKUP_BOOT_DEVICE_ETHERNET: return BOOT_DEVICE_ETHERNET; @@ -245,6 +248,12 @@ static u32 __get_primary_bootmedia(u32 main_devstat) return BOOT_DEVICE_MMC2; return BOOT_DEVICE_MMC1;
+ case BOOT_DEVICE_DFU: + if ((bootmode_cfg & MAIN_DEVSTAT_PRIMARY_USB_MODE_MASK) >> + MAIN_DEVSTAT_PRIMARY_USB_MODE_SHIFT) + return BOOT_DEVICE_USB; + return BOOT_DEVICE_DFU; + case BOOT_DEVICE_NOBOOT: return BOOT_DEVICE_RAM; } diff --git a/arch/arm/mach-k3/include/mach/am64_hardware.h b/arch/arm/mach-k3/include/mach/am64_hardware.h index c368aa7e6bf1..4ee41ad762ba 100644 --- a/arch/arm/mach-k3/include/mach/am64_hardware.h +++ b/arch/arm/mach-k3/include/mach/am64_hardware.h @@ -30,6 +30,11 @@ #define MAIN_DEVSTAT_PRIMARY_MMC_PORT_SHIFT 2 #define MAIN_DEVSTAT_PRIMARY_MMC_PORT_MASK 0x04
+#define MAIN_DEVSTAT_PRIMARY_USB_MODE_SHIFT 1 +#define MAIN_DEVSTAT_PRIMARY_USB_MODE_MASK 0x02 + +#define MAIN_DEVSTAT_BACKUP_USB_MODE_MASK 0x01 + /* * The CTRL_MMR and PADCFG_MMR memory space is divided into several * equally-spaced partitions, so defining the partition size allows us to diff --git a/arch/arm/mach-k3/include/mach/am64_spl.h b/arch/arm/mach-k3/include/mach/am64_spl.h index 36826cfc4ed0..607b09c2e5dc 100644 --- a/arch/arm/mach-k3/include/mach/am64_spl.h +++ b/arch/arm/mach-k3/include/mach/am64_spl.h @@ -19,7 +19,8 @@ #define BOOT_DEVICE_MMC 0x08 #define BOOT_DEVICE_EMMC 0x09
-#define BOOT_DEVICE_USB 0x0A +#define BOOT_DEVICE_USB 0x2A +#define BOOT_DEVICE_DFU 0x0A #define BOOT_DEVICE_GPMC_NOR 0x0C #define BOOT_DEVICE_PCIE 0x0D #define BOOT_DEVICE_XSPI 0x0E @@ -32,12 +33,13 @@ #define BOOT_DEVICE_MMC2_2 0x1F
/* Backup BootMode devices */ -#define BACKUP_BOOT_DEVICE_USB 0x01 +#define BACKUP_BOOT_DEVICE_DFU 0x01 #define BACKUP_BOOT_DEVICE_UART 0x03 #define BACKUP_BOOT_DEVICE_ETHERNET 0x04 #define BACKUP_BOOT_DEVICE_MMC 0x05 #define BACKUP_BOOT_DEVICE_SPI 0x06 #define BACKUP_BOOT_DEVICE_I2C 0x07 +#define BACKUP_BOOT_DEVICE_USB 0x09
#define K3_PRIMARY_BOOTMODE 0x0