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0001-omap5_common-uEnv.txt-bootz-n-fixes.patch
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From 8c0cc263c1b7b280e01dee4bf4bb59d64a084f4e Mon Sep 17 00:00:00 2001
From: Robert Nelson <robertcnelson@gmail.com>
Date: Tue, 18 Aug 2015 10:21:05 -0500
Subject: [PATCH] ti_omap5_common: uEnv.txt, bootz, n fixes
Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
---
include/configs/ti_omap5_common.h | 135 +++++++++++++++++++++++++++++++-------
1 file changed, 110 insertions(+), 25 deletions(-)
diff --git a/include/configs/ti_omap5_common.h b/include/configs/ti_omap5_common.h
index 1c1f8c0..0f79e8c 100644
--- a/include/configs/ti_omap5_common.h
+++ b/include/configs/ti_omap5_common.h
@@ -72,47 +72,68 @@
DEFAULT_LINUX_BOOT_ENV \
"console=" CONSOLEDEV ",115200n8\0" \
"fdtfile=undefined\0" \
- "bootpart=0:2\0" \
- "bootdir=/boot\0" \
+ "bootpart=0:1\0" \
+ "bootdir=\0" \
"bootfile=zImage\0" \
+ "fdtdir=/dtbs\0" \
"usbtty=cdc_acm\0" \
"vram=16M\0" \
"partitions=" PARTS_DEFAULT "\0" \
"optargs=\0" \
"dofastboot=0\0" \
"mmcdev=0\0" \
- "mmcroot=/dev/mmcblk0p2 rw\0" \
- "mmcrootfstype=ext4 rootwait\0" \
+ "mmcroot=/dev/mmcblk1p2 ro\0" \
+ "mmcrootfstype=ext4 rootwait fixrtc\0" \
"mmcargs=setenv bootargs console=${console} " \
"${optargs} " \
- "vram=${vram} " \
"root=${mmcroot} " \
- "rootfstype=${mmcrootfstype}\0" \
- "loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \
+ "rootfstype=${mmcrootfstype} " \
+ "${cmdline}\0" \
+ "loadbootscript=load mmc ${bootpart} ${loadaddr} boot.scr\0" \
"bootscript=echo Running bootscript from mmc${mmcdev} ...; " \
"source ${loadaddr}\0" \
"bootenv=uEnv.txt\0" \
- "loadbootenv=fatload mmc ${mmcdev} ${loadaddr} ${bootenv}\0" \
+ "loadbootenv=load mmc ${bootpart} ${loadaddr} ${bootenv}\0" \
"importbootenv=echo Importing environment from mmc${mmcdev} ...; " \
"env import -t ${loadaddr} ${filesize}\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} ${fdtaddr} ${fdtdir}/${fdtfile}\0" \
"mmcboot=mmc dev ${mmcdev}; " \
"if mmc rescan; then " \
"echo SD/MMC found on device ${mmcdev};" \
- "if run loadbootenv; then " \
- "echo Loaded environment from ${bootenv};" \
- "run importbootenv;" \
- "fi;" \
- "if test -n $uenvcmd; then " \
- "echo Running uenvcmd ...;" \
- "run uenvcmd;" \
- "fi;" \
- "if run loadimage; then " \
- "run loadfdt; " \
- "echo Booting from mmc${mmcdev} ...; " \
- "run mmcargs; " \
- "bootz ${loadaddr} - ${fdtaddr}; " \
- "fi;" \
+ "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" \
"findfdt="\
"if test $board_name = omap5_uevm; then " \
@@ -125,7 +146,70 @@
"setenv fdtfile am57xx-beagle-x15.dtb; fi;" \
"if test $fdtfile = undefined; then " \
"echo WARNING: Could not determine device tree to use; fi; \0" \
- "loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile};\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} ${fdtaddr}] ... ;" \
+ "bootz ${loadaddr} ${rdaddr}:${rdsize} ${fdtaddr}; " \
+ "else " \
+ "run mmcargs;" \
+ "echo debug: [${bootargs}] ... ;" \
+ "echo debug: [bootz ${loadaddr} - ${fdtaddr}] ... ;" \
+ "bootz ${loadaddr} - ${fdtaddr}; " \
+ "fi;" \
+ "fi;\0" \
DFUARGS \
NETARGS \
@@ -137,10 +221,11 @@
"echo Booting into fastboot ...; fastboot 0;" \
"fi;" \
"run findfdt; " \
+ "setenv mmcdev 0; " \
+ "setenv mmckernel 1; " \
"run mmcboot;" \
"setenv mmcdev 1; " \
- "setenv bootpart 1:2; " \
- "setenv mmcroot /dev/mmcblk0p2 rw; " \
+ "setenv mmckernel 0; " \
"run mmcboot;" \
""
#endif
--
2.5.0