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RISCV: image: Add booti support

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This patch adds booti support for RISC-V Linux kernel. The existing
bootm method will also continue to work as it is.

It depends on the following kernel patch which adds the header to the
flat Image. Gzip compressed Image (Image.gz) support is not enabled with
this patch.

https://patchwork.kernel.org/patch/10925543/

Tested on HiFive Unleashed and QEMU.

Signed-off-by: Atish Patra <atish.patra@wdc.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Tested-by: Karsten Merker <merker@debian.org>
Reviewed-by: Marek Vasut <marek.vasut@gmail.com>
This commit is contained in:
Atish Patra
2019-05-06 17:49:39 -07:00
committed by Andes
parent d8fc1ef2f0
commit 3cedc97479
4 changed files with 63 additions and 3 deletions
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8
cmd/booti.c
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@@ -77,7 +77,11 @@ int do_booti(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
bootm_disable_interrupts();
images.os.os = IH_OS_LINUX;
#ifdef CONFIG_RISCV_SMODE
images.os.arch = IH_ARCH_RISCV;
#elif CONFIG_ARM64
images.os.arch = IH_ARCH_ARM64;
#endif
ret = do_bootm_states(cmdtp, flag, argc, argv,
#ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
BOOTM_STATE_RAMDISK |
@@ -92,7 +96,7 @@ int do_booti(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
#ifdef CONFIG_SYS_LONGHELP
static char booti_help_text[] =
"[addr [initrd[:size]] [fdt]]\n"
" - boot arm64 Linux Image stored in memory\n"
" - boot Linux 'Image' stored at 'addr'\n"
"\tThe argument 'initrd' is optional and specifies the address\n"
"\tof an initrd in memory. The optional parameter ':size' allows\n"
"\tspecifying the size of a RAW initrd.\n"
@@ -107,5 +111,5 @@ static char booti_help_text[] =
U_BOOT_CMD(
booti, CONFIG_SYS_MAXARGS, 1, do_booti,
"boot arm64 Linux Image image from memory", booti_help_text
"boot Linux kernel 'Image' format from memory", booti_help_text
);