ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/uboot/arch/sh/lib/zimageboot.c b/marvell/uboot/arch/sh/lib/zimageboot.c
new file mode 100644
index 0000000..86d3998
--- /dev/null
+++ b/marvell/uboot/arch/sh/lib/zimageboot.c
@@ -0,0 +1,64 @@
+/*
+ * (C) Copyright 2010
+ * Renesas Solutions Corp.
+ * Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+/*
+ * Linux SuperH zImage loading and boot
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/zimage.h>
+
+int do_sh_zimageboot (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ ulong (*zboot_entry)(int, char * const []) = NULL;
+ char *s0, *s1;
+ unsigned char *param = NULL;
+ char *cmdline;
+ char *bootargs;
+
+ disable_interrupts();
+
+ if (argc >= 3) {
+ /* argv[1] holds the address of the zImage */
+ s0 = argv[1];
+ /* argv[2] holds the address of zero page */
+ s1 = argv[2];
+ } else {
+ goto exit;
+ }
+
+ if (s0)
+ zboot_entry = (ulong (*)(int, char * const []))simple_strtoul(s0, NULL, 16);
+
+ /* empty_zero_page */
+ if (s1)
+ param = (unsigned char*)simple_strtoul(s1, NULL, 16);
+
+ /* Linux kernel command line */
+ cmdline = (char *)param + COMMAND_LINE;
+ bootargs = getenv("bootargs");
+
+ /* Clear zero page */
+ memset(param, 0, 0x1000);
+
+ /* Set commandline */
+ strcpy(cmdline, bootargs);
+
+ /* Boot */
+ zboot_entry(0, NULL);
+
+exit:
+ return -1;
+}
+
+U_BOOT_CMD(
+ zimageboot, 3, 0, do_sh_zimageboot,
+ "Boot zImage for Renesas SH",
+ ""
+);