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-rw-r--r--include/configs/rpi_b.h85
1 files changed, 70 insertions, 15 deletions
diff --git a/include/configs/rpi_b.h b/include/configs/rpi_b.h
index 4b5a0c2..6306d61 100644
--- a/include/configs/rpi_b.h
+++ b/include/configs/rpi_b.h
@@ -100,12 +100,20 @@
"env import -t ${loadaddr} ${filesize}; " \
"fi"
+#define ENV_DEVICE_SETTINGS \
+ "stdin=serial,lcd\0" \
+ "stdout=serial,lcd\0" \
+ "stderr=serial,lcd\0"
+
/*
* Memory layout for where various images get loaded by boot scripts:
*
* scriptaddr can be pretty much anywhere that doesn't conflict with something
* else. Put it low in memory to avoid conflicts.
*
+ * pxefile_addr_r can be pretty much anywhere that doesn't conflict with
+ * something else. Put it low in memory to avoid conflicts.
+ *
* kernel_addr_r must be within the first 128M of RAM in order for the
* kernel's CONFIG_AUTO_ZRELADDR option to work. Since the kernel will
* decompress itself to 0x8000 after the start of RAM, kernel_addr_r
@@ -121,35 +129,82 @@
* ramdisk_addr_r simply shouldn't overlap anything else. Choosing 33M allows
* for the FDT/DTB to be up to 1M, which is hopefully plenty.
*/
-#define CONFIG_EXTRA_ENV_SETTINGS \
- "stdin=serial\0" \
- "stderr=serial,lcd\0" \
- "stdout=serial,lcd\0" \
+#define ENV_MEM_LAYOUT_SETTINGS \
"scriptaddr=0x00000000\0" \
+ "pxefile_addr_r=0x00100000\0" \
"kernel_addr_r=0x01000000\0" \
"fdt_addr_r=0x02000000\0" \
"fdtfile=bcm2835-rpi-b.dtb\0" \
"ramdisk_addr_r=0x02100000\0" \
- "boot_targets=mmc0\0" \
- \
- "script_boot=" \
- "if fatload ${devtype} ${devnum}:1 " \
- "${scriptaddr} boot.scr.uimg; then " \
- "source ${scriptaddr}; " \
- "fi;\0" \
- \
+
+#define BOOTCMDS_MMC \
"mmc_boot=" \
"setenv devtype mmc; " \
"if mmc dev ${devnum}; then " \
- "run script_boot; " \
+ "run scan_boot; " \
"fi\0" \
+ "bootcmd_mmc0=setenv devnum 0; run mmc_boot;\0"
+#define BOOT_TARGETS_MMC "mmc0"
+
+#define BOOTCMDS_COMMON \
+ "rootpart=1\0" \
+ \
+ "do_script_boot=" \
+ "load ${devtype} ${devnum}:${rootpart} " \
+ "${scriptaddr} ${prefix}${script}; " \
+ "source ${scriptaddr}\0" \
+ \
+ "script_boot=" \
+ "for script in ${boot_scripts}; do " \
+ "if test -e ${devtype} ${devnum}:${rootpart} " \
+ "${prefix}${script}; then " \
+ "echo Found ${prefix}${script}; " \
+ "run do_script_boot; " \
+ "echo SCRIPT FAILED: continuing...; " \
+ "fi; " \
+ "done\0" \
\
- "bootcmd_mmc0=setenv devnum 0; run mmc_boot\0" \
+ "do_sysboot_boot=" \
+ "sysboot ${devtype} ${devnum}:${rootpart} any " \
+ "${scriptaddr} ${prefix}extlinux/extlinux.conf\0" \
+ \
+ "sysboot_boot=" \
+ "if test -e ${devtype} ${devnum}:${rootpart} " \
+ "${prefix}extlinux/extlinux.conf; then " \
+ "echo Found ${prefix}extlinux/extlinux.conf; " \
+ "run do_sysboot_boot; " \
+ "echo SCRIPT FAILED: continuing...; " \
+ "fi\0" \
+ \
+ "scan_boot=" \
+ "echo Scanning ${devtype} ${devnum}...; " \
+ "for prefix in ${boot_prefixes}; do " \
+ "run sysboot_boot; " \
+ "run script_boot; " \
+ "done\0" \
+ \
+ "boot_targets=" \
+ BOOT_TARGETS_MMC " " \
+ "\0" \
+ \
+ "boot_prefixes=/\0" \
+ \
+ "boot_scripts=boot.scr.uimg\0" \
+ \
+ BOOTCMDS_MMC
#define CONFIG_BOOTCOMMAND \
"for target in ${boot_targets}; do run bootcmd_${target}; done"
-#define CONFIG_BOOTDELAY 2
+#define CONFIG_BOOTCOMMAND \
+ "for target in ${boot_targets}; do run bootcmd_${target}; done"
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+ ENV_DEVICE_SETTINGS \
+ ENV_MEM_LAYOUT_SETTINGS \
+ BOOTCMDS_COMMON
+
+#define CONFIG_BOOTDELAY 2
/* Shell */
#define CONFIG_SYS_MAXARGS 8