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0001-wandboard-uEnv.txt-bootz-n-fixes.patch
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From fb889f128beda94f26218152d30c722fa03a33c8 Mon Sep 17 00:00:00 2001
From: Robert Nelson <[email protected]>
Date: Tue, 9 Jun 2015 08:56:54 -0500
Subject: [PATCH] wandboard: uEnv.txt, bootz, n fixes
Signed-off-by: Robert Nelson <[email protected]>
---
include/configs/wandboard.h | 139 ++++++++++++++++++++++++++++++++++++++------
1 file changed, 122 insertions(+), 17 deletions(-)
diff --git a/include/configs/wandboard.h b/include/configs/wandboard.h
index f05b55a..18e7f63 100644
--- a/include/configs/wandboard.h
+++ b/include/configs/wandboard.h
@@ -93,17 +93,21 @@
#define CONFIG_EXTRA_ENV_SETTINGS \
"script=boot.scr\0" \
"image=zImage\0" \
- "console=ttymxc0\0" \
+ "console=ttymxc0,115200\0" \
"splashpos=m,m\0" \
"fdtfile=undefined\0" \
"fdt_high=0xffffffff\0" \
"initrd_high=0xffffffff\0" \
+ "rdaddr=0x12A00000\0" \
"fdt_addr=0x18000000\0" \
"boot_fdt=try\0" \
"ip_dyn=yes\0" \
- "mmcdev=" __stringify(CONFIG_SYS_MMC_ENV_DEV) "\0" \
+ "optargs=\0" \
+ "cmdline=\0" \
+ "mmcdev=0\0" \
"mmcpart=1\0" \
- "mmcroot=/dev/mmcblk0p2 rootwait rw\0" \
+ "mmcroot=/dev/mmcblk0p2 ro\0" \
+ "mmcrootfstype=ext4 rootwait\0" \
"update_sd_firmware_filename=u-boot.imx\0" \
"update_sd_firmware=" \
"if test ${ip_dyn} = yes; then " \
@@ -118,8 +122,11 @@
"mmc write ${loadaddr} 0x2 ${fw_sz}; " \
"fi; " \
"fi\0" \
- "mmcargs=setenv bootargs console=${console},${baudrate} " \
- "root=${mmcroot}; run videoargs\0" \
+ "mmcargs=setenv bootargs console=${console} " \
+ "${optargs} " \
+ "root=${mmcroot} " \
+ "rootfstype=${mmcrootfstype} " \
+ "${cmdline}\0" \
"videoargs=" \
"setenv nextcon 0; " \
"if hdmidet; then " \
@@ -150,8 +157,110 @@
"fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \
"bootscript=echo Running bootscript from mmc ...; " \
"source\0" \
- "loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}\0" \
- "loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdtfile}\0" \
+ "loadimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \
+ "loadrd=load mmc ${bootpart} ${rdaddr} ${bootdir}/${rdfile}; setenv rdsize ${filesize}\0" \
+ "loadfdt=echo loading ${fdtdir}/${fdtfile} ...; load mmc ${bootpart} ${fdt_addr} ${fdtdir}/${fdtfile}\0" \
+ "mmcboot=mmc dev ${mmcdev}; " \
+ "if mmc rescan; then " \
+ "echo SD/MMC found on device ${mmcdev};" \
+ "setenv bootpart ${mmcdev}:1; " \
+ "echo Checking for: /uEnv.txt ...;" \
+ "if test -e mmc ${bootpart} /uEnv.txt; then " \
+ "load mmc ${bootpart} ${loadaddr} /uEnv.txt;" \
+ "env import -t ${loadaddr} ${filesize};" \
+ "echo Loaded environment from /uEnv.txt;" \
+ "echo Checking if uenvcmd is set ...;" \
+ "if test -n ${uenvcmd}; then " \
+ "echo Running uenvcmd ...;" \
+ "run uenvcmd;" \
+ "fi;" \
+ "fi; " \
+ "echo Checking for: /boot/uEnv.txt ...;" \
+ "for i in 1 2 3 4 5 6 7 ; do " \
+ "setenv mmcpart ${i};" \
+ "setenv bootpart ${mmcdev}:${mmcpart};" \
+ "if test -e mmc ${bootpart} /boot/uEnv.txt; then " \
+ "load mmc ${bootpart} ${loadaddr} /boot/uEnv.txt;" \
+ "env import -t ${loadaddr} ${filesize};" \
+ "echo Loaded environment from /boot/uEnv.txt;" \
+ "if test -n ${dtb}; then " \
+ "setenv fdtfile ${dtb};" \
+ "echo Using: dtb=${fdtfile} ...;" \
+ "fi;" \
+ "echo Checking if uname_r is set in /boot/uEnv.txt...;" \
+ "if test -n ${uname_r}; then " \
+ "echo Running uname_boot ...;" \
+ "setenv mmcroot /dev/mmcblk${mmckernel}p${mmcpart} ro;" \
+ "run uname_boot;" \
+ "fi;" \
+ "fi;" \
+ "done;" \
+ "fi;\0" \
+ "uname_boot="\
+ "setenv bootdir /boot; " \
+ "setenv bootfile vmlinuz-${uname_r}; " \
+ "if test -e mmc ${bootpart} ${bootdir}/${bootfile}; then " \
+ "echo loading ${bootdir}/${bootfile} ...; "\
+ "run loadimage;" \
+ "setenv fdtdir /boot/dtbs/${uname_r}; " \
+ "if test -e mmc ${bootpart} ${fdtdir}/${fdtfile}; then " \
+ "run loadfdt;" \
+ "else " \
+ "setenv fdtdir /usr/lib/linux-image-${uname_r}; " \
+ "if test -e mmc ${bootpart} ${fdtdir}/${fdtfile}; then " \
+ "run loadfdt;" \
+ "else " \
+ "setenv fdtdir /lib/firmware/${uname_r}/device-tree; " \
+ "if test -e mmc ${bootpart} ${fdtdir}/${fdtfile}; then " \
+ "run loadfdt;" \
+ "else " \
+ "setenv fdtdir /boot/dtb-${uname_r}; " \
+ "if test -e mmc ${bootpart} ${fdtdir}/${fdtfile}; then " \
+ "run loadfdt;" \
+ "else " \
+ "setenv fdtdir /boot/dtbs; " \
+ "if test -e mmc ${bootpart} ${fdtdir}/${fdtfile}; then " \
+ "run loadfdt;" \
+ "else " \
+ "setenv fdtdir /boot/dtb; " \
+ "if test -e mmc ${bootpart} ${fdtdir}/${fdtfile}; then " \
+ "run loadfdt;" \
+ "else " \
+ "setenv fdtdir /boot; " \
+ "if test -e mmc ${bootpart} ${fdtdir}/${fdtfile}; then " \
+ "run loadfdt;" \
+ "else " \
+ "echo; echo unable to find ${fdtfile} ...; echo booting legacy ...;"\
+ "run mmcargs;" \
+ "echo debug: [${bootargs}] ... ;" \
+ "echo debug: [bootz ${loadaddr}] ... ;" \
+ "bootz ${loadaddr}; " \
+ "fi;" \
+ "fi;" \
+ "fi;" \
+ "fi;" \
+ "fi;" \
+ "fi;" \
+ "fi; " \
+ "setenv rdfile initrd.img-${uname_r}; " \
+ "if test -e mmc ${bootpart} ${bootdir}/${rdfile}; then " \
+ "echo loading ${bootdir}/${rdfile} ...; "\
+ "run loadrd;" \
+ "if test -n ${uuid}; then " \
+ "setenv mmcroot UUID=${uuid} ro;" \
+ "fi;" \
+ "run mmcargs;" \
+ "echo debug: [${bootargs}] ... ;" \
+ "echo debug: [bootz ${loadaddr} ${rdaddr}:${rdsize} ${fdt_addr}] ... ;" \
+ "bootz ${loadaddr} ${rdaddr}:${rdsize} ${fdt_addr}; " \
+ "else " \
+ "run mmcargs;" \
+ "echo debug: [${bootargs}] ... ;" \
+ "echo debug: [bootz ${loadaddr} - ${fdt_addr}] ... ;" \
+ "bootz ${loadaddr} - ${fdt_addr}; " \
+ "fi;" \
+ "fi;\0" \
+ "mmcboot_old=echo Booting from mmc ...; " \
"mmcboot=echo Booting from mmc ...; " \
"run mmcargs; " \
"if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
@@ -205,16 +314,12 @@
#define CONFIG_BOOTCOMMAND \
"run findfdt; " \
- "mmc dev ${mmcdev}; if mmc rescan; then " \
- "if run loadbootscript; then " \
- "run bootscript; " \
- "else " \
- "if run loadimage; then " \
- "run mmcboot; " \
- "else run netboot; " \
- "fi; " \
- "fi; " \
- "else run netboot; fi"
+ "setenv mmcdev 0;" \
+ "setenv mmckernel 0;" \
+ "run mmcboot;" \
+ "setenv mmcdev 1;" \
+ "setenv mmckernel 0;" \
+ "run mmcboot;"
/* Physical Memory Map */
#define CONFIG_NR_DRAM_BANKS 1
--
2.1.4