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| author | Dan Murphy <dmurphy@ti.com> | 2014-01-16 11:23:31 -0600 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2014-01-24 16:59:22 -0500 |
| commit | 2b36fe579c975f0e47761e5fcb602b8ae4537c6e (patch) | |
| tree | 3dbb523b12c6e1193d3eb6f32479e17cac6aed75 /include/configs/am43xx_evm.h | |
| parent | 8cffe5bd0d601f64eca78d28b8a710ad6ca8edd2 (diff) | |
| download | u-boot-imx-2b36fe579c975f0e47761e5fcb602b8ae4537c6e.zip u-boot-imx-2b36fe579c975f0e47761e5fcb602b8ae4537c6e.tar.gz u-boot-imx-2b36fe579c975f0e47761e5fcb602b8ae4537c6e.tar.bz2 | |
arm: am43xx: Add USB spl boot support
Add the USB host boot support for the am43xx evm
Add the macros to boot from a usb drive in uBoot
Signed-off-by: Dan Murphy <dmurphy@ti.com>
Diffstat (limited to 'include/configs/am43xx_evm.h')
| -rw-r--r-- | include/configs/am43xx_evm.h | 46 |
1 files changed, 40 insertions, 6 deletions
diff --git a/include/configs/am43xx_evm.h b/include/configs/am43xx_evm.h index 4de495a..f45deeb 100644 --- a/include/configs/am43xx_evm.h +++ b/include/configs/am43xx_evm.h @@ -69,6 +69,11 @@ #define CONFIG_SPL_LDSCRIPT "$(CPUDIR)/omap-common/u-boot-spl.lds" +/* SPL USB Support */ +#define CONFIG_SPL_USB_SUPPORT +#define CONFIG_SPL_USB_HOST_SUPPORT +#define CONFIG_SYS_USB_FAT_BOOT_PARTITION 1 + #define CONFIG_CMD_USB #define CONFIG_USB_HOST #define CONFIG_USB_XHCI @@ -94,26 +99,34 @@ "mmcdev=0\0" \ "mmcroot=/dev/mmcblk0p2 rw\0" \ "mmcrootfstype=ext4 rootwait\0" \ + "usbroot=/dev/sda2 rw\0" \ + "usbrootfstype=ext4 rootwait\0" \ + "usbdev=0\0" \ "ramroot=/dev/ram0 rw ramdisk_size=65536 initrd=${rdaddr},64M\0" \ "ramrootfstype=ext2\0" \ "mmcargs=setenv bootargs console=${console} " \ "${optargs} " \ "root=${mmcroot} " \ "rootfstype=${mmcrootfstype}\0" \ + "usbargs=setenv bootargs console=${console} " \ + "${optargs} " \ + "root=${usbroot} " \ + "rootfstype=${usbrootfstype}\0" \ "bootenv=uEnv.txt\0" \ - "loadbootenv=load mmc ${mmcdev} ${loadaddr} ${bootenv}\0" \ + "loadbootenv=load ${devtype} ${devnum} ${loadaddr} ${bootenv}\0" \ "importbootenv=echo Importing environment from mmc ...; " \ "env import -t $loadaddr $filesize\0" \ "ramargs=setenv bootargs console=${console} " \ "${optargs} " \ "root=${ramroot} " \ "rootfstype=${ramrootfstype}\0" \ - "loadramdisk=load mmc ${mmcdev} ${rdaddr} ramdisk.gz\0" \ - "loadimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \ - "loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \ + "loadramdisk=load ${devtype} ${devnum} ${rdaddr} ramdisk.gz\0" \ + "loadimage=load ${devtype} ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \ + "loadfdt=load ${devtype} ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \ "mmcboot=mmc dev ${mmcdev}; " \ + "setenv devnum ${mmcdev}; " \ "if mmc rescan; then " \ - "echo SD/MMC found on device ${mmcdev};" \ + "echo SD/MMC found on device ${devnum};" \ "if run loadbootenv; then " \ "echo Loaded environment from ${bootenv};" \ "run importbootenv;" \ @@ -129,6 +142,26 @@ "bootz ${loadaddr} - ${fdtaddr}; " \ "fi;" \ "fi;\0" \ + "usbboot=" \ + "setenv devnum ${usbdev}; " \ + "setenv devtype usb; " \ + "usb start ${usbdev}; " \ + "if usb dev ${usbdev}; then " \ + "if run loadbootenv; then " \ + "echo Loaded environment from ${bootenv};" \ + "run importbootenv;" \ + "fi;" \ + "if test -n $uenvcmd; then " \ + "echo Running uenvcmd ...;" \ + "run uenvcmd;" \ + "fi;" \ + "if run loadimage; then " \ + "run loadfdt; " \ + "echo Booting from usb ${usbdev}...; " \ + "run usbargs;" \ + "bootz ${loadaddr} - ${fdtaddr}; " \ + "fi;" \ + "fi\0" \ "findfdt="\ "if test $board_name = AM43EPOS; then " \ "setenv fdtfile am43x-epos-evm.dtb; fi; " \ @@ -139,7 +172,8 @@ #define CONFIG_BOOTCOMMAND \ "run findfdt; " \ - "run mmcboot;" + "run mmcboot;" \ + "run usbboot;" #endif #endif /* __CONFIG_AM43XX_EVM_H */ |