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diff -Nur u-boot-2015.04.orig/configs/am335x_evm_defconfig u-boot-2015.04/configs/am335x_evm_defconfig
--- u-boot-2015.04.orig/configs/am335x_evm_defconfig 2015-04-13 11:53:03.000000000 -0300
+++ u-boot-2015.04/configs/am335x_evm_defconfig 2016-02-21 23:00:16.971065261 -0300
@@ -1,7 +1,6 @@
CONFIG_SPL=y
CONFIG_SPL_STACK_R=y
CONFIG_SPL_STACK_R_ADDR=0x82000000
-CONFIG_SYS_EXTRA_OPTIONS="NAND"
-CONFIG_CONS_INDEX=1
+CONFIG_SYS_EXTRA_OPTIONS="SERIAL1,CONS_INDEX=1"
CONFIG_ARM=y
CONFIG_TARGET_AM335X_EVM=y
diff -Nur u-boot-2015.04.orig/include/configs/am335x_evm.h u-boot-2015.04/include/configs/am335x_evm.h
--- u-boot-2015.04.orig/include/configs/am335x_evm.h 2015-04-13 11:53:03.000000000 -0300
+++ u-boot-2015.04/include/configs/am335x_evm.h 2016-02-22 17:43:23.889522373 -0300
@@ -17,6 +17,7 @@
#define __CONFIG_AM335X_EVM_H
#include <configs/ti_am335x_common.h>
+#define CONFIG_ENV_IS_NOWHERE
#ifndef CONFIG_SPL_BUILD
#ifndef CONFIG_FIT
@@ -45,6 +46,9 @@
/* Enhance our eMMC support / experience. */
#define CONFIG_CMD_GPT
#define CONFIG_EFI_PARTITION
+#define CONFIG_CMD_PART
+#define CONFIG_PARTITION_UUIDS
+#define CONFIG_CMD_SETEXPR
#ifdef CONFIG_NAND
#define NANDARGS \
@@ -67,130 +71,80 @@
#define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
+/* Enable extlinux boot support */
+#define CONFIG_CMD_PXE
+#define CONFIG_MENU
+#define BOOT_TARGET_DEVICES(func)
+#include <config_distro_bootcmd.h>
+
+/*
+ * 512M RAM (512M minimum minus space for the framebuffer),
+ * 32M uncompressed kernel, 16M compressed kernel, 1M fdt,
+ * 1M script, 1M pxe and the ramdisk at the end.
+ */
+#define MEM_LAYOUT_ENV_SETTINGS \
+ "kernel_addr_r=0x82000000\0" \
+ "fdt_addr_r=0x88000000\0" \
+ "scriptaddr=0x92000000\0" \
+ "pxefile_addr_r=0x90000000\0" \
+ "ramdisk_addr_r=0x88080000\0"
+
#ifndef CONFIG_SPL_BUILD
#define CONFIG_EXTRA_ENV_SETTINGS \
+ BOOTENV \
DEFAULT_LINUX_BOOT_ENV \
- "boot_fdt=try\0" \
- "bootpart=0:2\0" \
+ MEM_LAYOUT_ENV_SETTINGS \
+ "bootpart=0:1\0" \
"bootdir=/boot\0" \
- "bootfile=zImage\0" \
- "fdtfile=undefined\0" \
"console=ttyO0,115200n8\0" \
"partitions=" \
"uuid_disk=${uuid_gpt_disk};" \
"name=rootfs,start=2MiB,size=-,uuid=${uuid_gpt_rootfs}\0" \
"optargs=\0" \
- "mmcdev=0\0" \
- "mmcroot=/dev/mmcblk0p2 ro\0" \
- "mmcrootfstype=ext4 rootwait\0" \
- "rootpath=/export/rootfs\0" \
- "nfsopts=nolock\0" \
- "static_ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}" \
- "::off\0" \
- "ramroot=/dev/ram0 rw\0" \
- "ramrootfstype=ext2\0" \
+ "cape_disable=\0" \
+ "cape_enable=\0" \
+ "cmdline=\0" \
"mmcargs=setenv bootargs console=${console} " \
"${optargs} " \
- "root=${mmcroot} " \
- "rootfstype=${mmcrootfstype}\0" \
- "spiroot=/dev/mtdblock4 rw\0" \
- "spirootfstype=jffs2\0" \
- "spisrcaddr=0xe0000\0" \
- "spiimgsize=0x362000\0" \
- "spibusno=0\0" \
- "spiargs=setenv bootargs console=${console} " \
- "${optargs} " \
- "root=${spiroot} " \
- "rootfstype=${spirootfstype}\0" \
- "netargs=setenv bootargs console=${console} " \
- "${optargs} " \
- "root=/dev/nfs " \
- "nfsroot=${serverip}:${rootpath},${nfsopts} rw " \
- "ip=dhcp\0" \
- "bootenv=uEnv.txt\0" \
- "loadbootscript=load mmc ${mmcdev} ${loadaddr} boot.scr\0" \
- "bootscript=echo Running bootscript from mmc${mmcdev} ...; " \
- "source ${loadaddr}\0" \
- "loadbootenv=load mmc ${mmcdev} ${loadaddr} ${bootenv}\0" \
- "importbootenv=echo Importing environment from mmc ...; " \
- "env import -t -r $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" \
- "mmcloados=run mmcargs; " \
- "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
- "if run loadfdt; then " \
- "bootz ${loadaddr} - ${fdtaddr}; " \
- "else " \
- "if test ${boot_fdt} = try; then " \
- "bootz; " \
- "else " \
- "echo WARN: Cannot load the DT; " \
- "fi; " \
- "fi; " \
- "else " \
- "bootz; " \
- "fi;\0" \
- "mmcboot=mmc dev ${mmcdev}; " \
- "if mmc rescan; then " \
- "echo SD/MMC found on device ${mmcdev};" \
- "if run loadbootscript; then " \
- "run bootscript;" \
- "else " \
- "if run loadbootenv; then " \
- "echo Loaded environment from ${bootenv};" \
- "run importbootenv;" \
- "fi;" \
- "if test -n $uenvcmd; then " \
- "echo Running uenvcmd ...;" \
- "run uenvcmd;" \
+ "${cape_disable} " \
+ "${cape_enable} " \
+ "root=${root} " \
+ "${cmdline}\0" \
+ "mmcboot=usb start;" \
+ "for devtype in mmc usb; do " \
+ "for devnum in 0 1; do " \
+ "if ${devtype} dev ${devnum}; then " \
+ "echo ${devtype} found on device ${devnum};" \
+ "setenv bootpart ${devnum}:1;" \
+ "part uuid ${devtype} ${bootpart} uuid;" \
+ "setenv root PARTUUID=${uuid} rw rootwait fixrtc;" \
+ "echo Checking for: ${bootdir}/uEnv.txt ...;" \
+ "gpio set 54;" \
+ "if test -e ${devtype} ${bootpart} ${bootdir}/uEnv.txt; then " \
+ "load ${devtype} ${bootpart} ${loadaddr} ${bootdir}/uEnv.txt;" \
+ "env import -t ${loadaddr} ${filesize};" \
+ "echo Loaded environment from ${bootdir}/uEnv.txt;" \
+ "echo Checking if uenvcmd is set ...;" \
+ "if test -n ${uenvcmd}; then " \
+ "echo Running uenvcmd ...;" \
+ "run uenvcmd;" \
+ "fi;" \
+ "fi;" \
+ "gpio set 55;" \
+ "run scan_dev_for_boot;" \
+ "gpio clear 54; gpio clear 55;" \
+ "setexpr devnum ${devnum} + 1;" \
"fi;" \
- "if run loadimage; then " \
- "run mmcloados;" \
- "fi;" \
- "fi ;" \
- "fi;\0" \
- "spiboot=echo Booting from spi ...; " \
- "run spiargs; " \
- "sf probe ${spibusno}:0; " \
- "sf read ${loadaddr} ${spisrcaddr} ${spiimgsize}; " \
- "bootz ${loadaddr}\0" \
- "netboot=echo Booting from network ...; " \
- "setenv autoload no; " \
- "dhcp; " \
- "tftp ${loadaddr} ${bootfile}; " \
- "tftp ${fdtaddr} ${fdtfile}; " \
- "run netargs; " \
- "bootz ${loadaddr} - ${fdtaddr}\0" \
- "ramboot=echo Booting from ramdisk ...; " \
- "run ramargs; " \
- "bootz ${loadaddr} ${rdaddr} ${fdtaddr}\0" \
- "findfdt="\
- "if test $board_name = A335BONE; then " \
- "setenv fdtfile am335x-bone.dtb; fi; " \
- "if test $board_name = A335BNLT; then " \
- "setenv fdtfile am335x-boneblack.dtb; fi; " \
- "if test $board_name = A33515BB; then " \
- "setenv fdtfile am335x-evm.dtb; fi; " \
- "if test $board_name = A335X_SK; then " \
- "setenv fdtfile am335x-evmsk.dtb; fi; " \
- "if test $fdtfile = undefined; then " \
- "echo WARNING: Could not determine device tree to use; fi; \0" \
+ "done;" \
+ "done;\0" \
NANDARGS \
DFUARGS
#endif
#define CONFIG_BOOTCOMMAND \
- "run findfdt; " \
- "run mmcboot;" \
- "setenv mmcdev 1; " \
- "setenv bootpart 1:2; " \
+ "gpio set 53;" \
"run mmcboot;" \
- "run nandboot;"
+ "gpio clear 54; gpio clear 55;"
/* NS16550 Configuration */
#define CONFIG_SYS_NS16550_COM1 0x44e09000 /* Base EVM has UART0 */
@@ -329,9 +283,8 @@
#endif
#ifdef CONFIG_MUSB_GADGET
-#define CONFIG_USB_ETHER
-#define CONFIG_USB_ETH_RNDIS
-#define CONFIG_USBNET_HOST_ADDR "de:ad:be:af:00:00"
+#define CONFIG_CMD_USB_MASS_STORAGE
+#define CONFIG_USB_GADGET_MASS_STORAGE
/* USB TI's IDs */
#define CONFIG_G_DNL_VENDOR_NUM 0x0451
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