1 files changed, 144 insertions, 0 deletions
diff --git a/arch/arm/mach-nexell/cmd_boot_linux.c b/arch/arm/mach-nexell/cmd_boot_linux.c
new file mode 100644
index 0000000000..f2dedfe162
--- /dev/null
+++ b/arch/arm/mach-nexell/cmd_boot_linux.c
@@ -0,0 +1,144 @@
+// 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>
+
+#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