ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/uboot/arch/sh/lib/bootm.c b/marvell/uboot/arch/sh/lib/bootm.c
new file mode 100644
index 0000000..8a0010b
--- /dev/null
+++ b/marvell/uboot/arch/sh/lib/bootm.c
@@ -0,0 +1,111 @@
+/*
+ * (C) Copyright 2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (c) Copyright 2008 Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
+ * (c) Copyright 2008 Renesas Solutions Corp.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <command.h>
+#include <asm/byteorder.h>
+#include <asm/zimage.h>
+
+#ifdef CONFIG_SYS_DEBUG
+static void hexdump(unsigned char *buf, int len)
+{
+ int i;
+
+ for (i = 0; i < len; i++) {
+ if ((i % 16) == 0)
+ printf("%s%08x: ", i ? "\n" : "",
+ (unsigned int)&buf[i]);
+ printf("%02x ", buf[i]);
+ }
+ printf("\n");
+}
+#endif
+
+#ifdef CONFIG_SH_SDRAM_OFFSET
+#define GET_INITRD_START(initrd, linux) (initrd - linux + CONFIG_SH_SDRAM_OFFSET)
+#else
+#define GET_INITRD_START(initrd, linux) (initrd - linux)
+#endif
+
+static void set_sh_linux_param(unsigned long param_addr, unsigned long data)
+{
+ *(unsigned long *)(param_addr) = data;
+}
+
+static unsigned long sh_check_cmd_arg(char *cmdline, char *key, int base)
+{
+ unsigned long val = 0;
+ char *p = strstr(cmdline, key);
+ if (p) {
+ p += strlen(key);
+ val = simple_strtol(p, NULL, base);
+ }
+ return val;
+}
+
+int do_bootm_linux(int flag, int argc, char * const argv[], bootm_headers_t *images)
+{
+ /* Linux kernel load address */
+ void (*kernel) (void) = (void (*)(void))images->ep;
+ /* empty_zero_page */
+ unsigned char *param
+ = (unsigned char *)image_get_load(images->legacy_hdr_os);
+ /* Linux kernel command line */
+ char *cmdline = (char *)param + COMMAND_LINE;
+ /* PAGE_SIZE */
+ unsigned long size = images->ep - (unsigned long)param;
+ char *bootargs = getenv("bootargs");
+
+ /*
+ * allow the PREP bootm subcommand, it is required for bootm to work
+ */
+ if (flag & BOOTM_STATE_OS_PREP)
+ return 0;
+
+ if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
+ return 1;
+
+ /* Clear zero page */
+ memset(param, 0, size);
+
+ /* Set commandline */
+ strcpy(cmdline, bootargs);
+
+ /* Initrd */
+ if (images->rd_start || images->rd_end) {
+ unsigned long ramdisk_flags = 0;
+ int val = sh_check_cmd_arg(bootargs, CMD_ARG_RD_PROMPT, 10);
+ if (val == 1)
+ ramdisk_flags |= RD_PROMPT;
+ else
+ ramdisk_flags &= ~RD_PROMPT;
+
+ val = sh_check_cmd_arg(bootargs, CMD_ARG_RD_DOLOAD, 10);
+ if (val == 1)
+ ramdisk_flags |= RD_DOLOAD;
+ else
+ ramdisk_flags &= ~RD_DOLOAD;
+
+ set_sh_linux_param((unsigned long)param + MOUNT_ROOT_RDONLY, 0x0001);
+ set_sh_linux_param((unsigned long)param + RAMDISK_FLAGS, ramdisk_flags);
+ set_sh_linux_param((unsigned long)param + ORIG_ROOT_DEV, 0x0200);
+ set_sh_linux_param((unsigned long)param + LOADER_TYPE, 0x0001);
+ set_sh_linux_param((unsigned long)param + INITRD_START,
+ GET_INITRD_START(images->rd_start, CONFIG_SYS_SDRAM_BASE));
+ set_sh_linux_param((unsigned long)param + INITRD_SIZE,
+ images->rd_end - images->rd_start);
+ }
+
+ /* Boot kernel */
+ kernel();
+
+ /* does not return */
+ return 1;
+}