1 files changed, 79 insertions, 0 deletions
diff --git a/lib_blackfin/bootm.c b/lib_blackfin/bootm.c
new file mode 100644
index 0000000..ef4b112
--- /dev/null
+++ b/lib_blackfin/bootm.c
@@ -0,0 +1,79 @@
+/*
+ * U-boot - bootm.c - misc boot helper functions
+ *
+ * Copyright (c) 2005-2008 Analog Devices Inc.
+ *
+ * (C) Copyright 2000-2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <common.h>
+#include <command.h>
+#include <image.h>
+#include <asm/blackfin.h>
+
+extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
+
+#ifdef SHARED_RESOURCES
+extern void swap_to(int device_id);
+#endif
+
+static char *make_command_line(void)
+{
+	char *dest = (char *)CMD_LINE_ADDR;
+	char *bootargs = getenv("bootargs");
+
+	if (bootargs == NULL)
+		return NULL;
+
+	strncpy(dest, bootargs, 0x1000);
+	dest[0xfff] = 0;
+	return dest;
+}
+
+void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
+		    bootm_headers_t *images)
+{
+	int	(*appl) (char *cmdline);
+	char	*cmdline;
+	ulong	ep = 0;
+
+	if (!images->autostart)
+		return;
+
+#ifdef SHARED_RESOURCES
+	swap_to(FLASH);
+#endif
+
+	/* find kernel entry point */
+	if (images->legacy_hdr_valid) {
+		ep = image_get_ep (&images->legacy_hdr_os_copy);
+#if defined(CONFIG_FIT)
+	} else if (images->fit_uname_os) {
+		int ret = fit_image_get_entry (images->fit_hdr_os,
+				images->fit_noffset_os, &ep);
+		if (ret) {
+			puts ("Can't get entry point property!\n");
+			goto error;
+		}
+#endif
+	} else {
+		puts ("Could not find kernel entry point!\n");
+		goto error;
+	}
+	appl = (int (*)(char *))ep;
+
+	printf("Starting Kernel at = %x\n", appl);
+	cmdline = make_command_line();
+	icache_disable();
+	dcache_disable();
+	(*appl) (cmdline);
+	/* does not return */
+	return;
+
+ error:
+	if (images->autostart)
+		do_reset (cmdtp, flag, argc, argv);
+}