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// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2016 nexell
* jhkim <jhkim@nexell.co.kr>
*/
#include <common.h>
#include <bootm.h>
#include <command.h>
#include <environment.h>
#include <errno.h>
#include <image.h>
#include <fdt_support.h>
#include <asm/global_data.h>
#if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_CLI_FRAMEWORK)
DECLARE_GLOBAL_DATA_PTR;
static bootm_headers_t linux_images;
static void boot_go_set_os(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[],
bootm_headers_t *images)
{
char * const img_addr = argv[0];
images->os.type = IH_TYPE_KERNEL;
images->os.comp = IH_COMP_NONE;
images->os.os = IH_OS_LINUX;
images->os.load = simple_strtoul(img_addr, NULL, 16);
images->ep = images->os.load;
#if defined(CONFIG_ARM)
images->os.arch = IH_ARCH_ARM;
#elif defined(CONFIG_ARM64)
images->os.arch = IH_ARCH_ARM64;
#else
#error "Not support architecture ..."
#endif
if (!IS_ENABLED(CONFIG_OF_LIBFDT) && !IS_ENABLED(CONFIG_SPL_BUILD)) {
/* set DTB address for linux kernel */
if (argc > 2) {
unsigned long ft_addr;
ft_addr = simple_strtol(argv[2], NULL, 16);
images->ft_addr = (char *)ft_addr;
/*
* if not defined IMAGE_ENABLE_OF_LIBFDT,
* must be set to fdt address
*/
if (!IMAGE_ENABLE_OF_LIBFDT)
gd->bd->bi_boot_params = ft_addr;
debug("## set ft:%08lx and boot params:%08lx [control of:%s]"
"...\n", ft_addr, gd->bd->bi_boot_params,
IMAGE_ENABLE_OF_LIBFDT ? "on" : "off");
}
}
}
#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_LMB)
static void boot_start_lmb(bootm_headers_t *images)
{
ulong mem_start;
phys_size_t mem_size;
lmb_init(&images->lmb);
mem_start = getenv_bootm_low();
mem_size = getenv_bootm_size();
lmb_add(&images->lmb, (phys_addr_t)mem_start, mem_size);
arch_lmb_reserve(&images->lmb);
board_lmb_reserve(&images->lmb);
}
#else
#define lmb_reserve(lmb, base, size)
static inline void boot_start_lmb(bootm_headers_t *images) { }
#endif
int do_boot_linux(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
boot_os_fn *boot_fn;
bootm_headers_t *images = &linux_images;
int flags;
int ret;
boot_start_lmb(images);
flags = BOOTM_STATE_START;
argc--; argv++;
boot_go_set_os(cmdtp, flag, argc, argv, images);
if (IS_ENABLED(CONFIG_OF_LIBFDT)) {
/* find flattened device tree */
ret = boot_get_fdt(flag, argc, argv, IH_ARCH_DEFAULT, images,
&images->ft_addr, &images->ft_len);
if (ret) {
puts("Could not find a valid device tree\n");
return 1;
}
set_working_fdt_addr((ulong)images->ft_addr);
}
if (!IS_ENABLED(CONFIG_OF_LIBFDT))
flags |= BOOTM_STATE_OS_GO;
boot_fn = do_bootm_linux;
ret = boot_fn(flags, argc, argv, images);
if (ret == BOOTM_ERR_UNIMPLEMENTED)
show_boot_progress(BOOTSTAGE_ID_DECOMP_UNIMPL);
else if (ret == BOOTM_ERR_RESET)
do_reset(cmdtp, flag, argc, argv);
return ret;
}
U_BOOT_CMD(bootl, CONFIG_SYS_MAXARGS, 1, do_boot_linux,
"boot linux image from memory",
"[addr [arg ...]]\n - boot linux image stored in memory\n"
"\tuse a '-' for the DTB address\n"
);
#endif
#if defined(CONFIG_CMD_BOOTD) && !defined(CONFIG_CMD_BOOTM)
int do_bootd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
return run_command(env_get("bootcmd"), flag);
}
U_BOOT_CMD(boot, 1, 1, do_bootd,
"boot default, i.e., run 'bootcmd'",
""
);
/* keep old command name "bootd" for backward compatibility */
U_BOOT_CMD(bootd, 1, 1, do_bootd,
"boot default, i.e., run 'bootcmd'",
""
);
#endif
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