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BOOT: Add RAW ramdisk support to bootz

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This patch allows loading RAW ramdisk via bootz command. The raw ramdisk is
loaded only in case it's size is specified:

  bootz <kernel addr> <ramdisk addr>:<ramdisk size> <fdt addr>

For example:

  bootz 0x42000000 0x43000000:0x12345 0x44000000

Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Tom Warren <TWarren@nvidia.com>
Cc: albert.u.boot@aribaud.net
Cc: afleming@gmail.com
Cc: Simon Glass <sjg@chromium.org>
Cc: Stephen Warren <swarren@nvidia.com>
Cc: Nicolas Pitre <nico@fluxnic.net>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Detlev Zundel <dzu@denx.de>
This commit is contained in:
Marek Vasut
2012-03-18 11:47:58 +00:00
committed by Wolfgang Denk
parent 44f074c771
commit 017e1f3f9f
3 changed files with 21 additions and 5 deletions
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6
common/cmd_bootm.c
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@@ -1629,9 +1629,11 @@ static int do_bootz(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
U_BOOT_CMD(
bootz, CONFIG_SYS_MAXARGS, 1, do_bootz,
"boot Linux zImage image from memory",
"[addr [initrd] [fdt]]\n - boot Linux zImage stored in memory\n"
"[addr [initrd[:size]] [fdt]]\n"
" - boot Linux zImage stored in memory\n"
"\tThe argument 'initrd' is optional and specifies the address\n"
"\tof the initrd in memory.\n"
"\tof the initrd in memory. The optional argument ':size' allows\n"
"\tspecifying the size of RAW initrd.\n"
#if defined(CONFIG_OF_LIBFDT)
"\tWhen booting a Linux kernel which requires a flat device-tree\n"
"\ta third argument is required which is the address of the\n"