[U-Boot] [PATCH v6 6/6] mx6qsabre{auto, sd}: Add support to dynamically choose between fdt use or not

Otavio Salvador
2013-01-10T19:45:09Z

- Fix netboot fdt
- Rebase on top of 'mx6qsabresd: Fix booting the kernel from SDHC3'

Changes in v5:
- Change subject
- Reword the warning

Changes in v4:
- Use a warning, instead of error when failing to fetch fdt
- Drop exit use
- Fix netboot
- Use fdt instead of ftd

Changes in v3:
- Add loadfdt
- Use loadfdt
- Call exit to abort script

Changes in v2:
- Allow use of dynamic/static ip
- Allow force use, or not, of fdt
- Change 'auto' to 'try'

include/configs/mx6qsabre_common.h | 41 +++++++++++++++++++++++++++++++++---
include/configs/mx6qsabreauto.h | 1 +
include/configs/mx6qsabresd.h | 1 +
3 files changed, 40 insertions(+), 3 deletions(-)

diff --git a/include/configs/mx6qsabre_common.h b/include/configs/mx6qsabre_common.h
index 95ebd98..cda4512 100644
--- a/include/configs/mx6qsabre_common.h
+++ b/include/configs/mx6qsabre_common.h
@@ -83,6 +83,10 @@
#define CONFIG_EXTRA_ENV_SETTINGS \
"script=boot.scr\0" \
"uimage=uImage\0" \
+ "fdt_file=" CONFIG_DEFAULT_FDT_FILE "\0" \
+ "fdt_addr=0x11000000\0" \
+ "boot_fdt=try\0" \
+ "ip_dyn=yes\0" \
"console=" CONFIG_CONSOLE_DEV "\0" \
"fdt_high=0xffffffff\0" \
"initrd_high=0xffffffff\0" \
@@ -96,15 +100,46 @@
"bootscript=echo Running bootscript from mmc ...; " \
"source\0" \
"loaduimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${uimage}\0" \
- "mmcboot=echo Booting from mmc ...; " \
+ "loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
+ "mmcboot=echo Booting from mmc ...; " \
"run mmcargs; " \
- "bootm\0" \
+ "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
+ "if run loadfdt; then " \
+ "bootm ${loadaddr} - ${fdt_addr}; " \
+ "else " \
+ "if test ${boot_fdt} = try; then " \
+ "bootm; " \
+ "else " \
+ "echo WARN: Cannot load the DT; " \
+ "fi; " \
+ "fi; " \
+ "else " \
+ "bootm; " \
+ "fi;\0" \
"netargs=setenv bootargs console=${console},${baudrate} " \
"root=/dev/nfs " \
"ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0" \
"netboot=echo Booting from net ...; " \
"run netargs; " \
- "dhcp ${uimage}; bootm\0" \
+ "if test ${ip_dyn} = yes; then " \
+ "setenv get_cmd dhcp; " \
+ "else " \
+ "setenv get_cmd tftp; " \
+ "fi; " \
+ "${get_cmd} ${uimage}; " \
+ "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
+ "if ${get_cmd} ${fdt_addr} ${fdt_file}; then " \
+ "bootm ${loadaddr} - ${fdt_addr}; " \
+ "else " \
+ "if test ${boot_fdt} = try; then " \
+ "bootm; " \
+ "else " \
+ "echo WARN: Cannot load the DT; " \
+ "fi; " \
+ "fi; " \
+ "else " \
+ "bootm; " \
+ "fi;\0"

#define CONFIG_BOOTCOMMAND \
"mmc dev ${mmcdev};" \
diff --git a/include/configs/mx6qsabreauto.h b/include/configs/mx6qsabreauto.h
index f1ff201..f4a082a 100644
--- a/include/configs/mx6qsabreauto.h
+++ b/include/configs/mx6qsabreauto.h
@@ -15,6 +15,7 @@
#define CONFIG_MACH_TYPE 3529
#define CONFIG_MXC_UART_BASE UART4_BASE
#define CONFIG_CONSOLE_DEV "ttymxc3"
+#define CONFIG_DEFAULT_FDT_FILE "imx6q-sabreauto.dtb"
#define CONFIG_MMCROOT "/dev/mmcblk0p2"
#define PHYS_SDRAM_SIZE (2u * 1024 * 1024 * 1024)

diff --git a/include/configs/mx6qsabresd.h b/include/configs/mx6qsabresd.h
index ccb7751..3b8d752 100644
--- a/include/configs/mx6qsabresd.h
+++ b/include/configs/mx6qsabresd.h
@@ -21,6 +21,7 @@
#define CONFIG_MXC_UART_BASE UART1_BASE
#define CONFIG_CONSOLE_DEV "ttymxc0"
#define CONFIG_MMCROOT "/dev/mmcblk1p2"
+#define CONFIG_DEFAULT_FDT_FILE "imx6q-sabresd.dtb"
#define PHYS_SDRAM_SIZE (1u * 1024 * 1024 * 1024)

#include "mx6qsabre_common.h"
--
1.7.10.4