ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/uboot/arch/blackfin/lib/boot.c b/marvell/uboot/arch/blackfin/lib/boot.c
new file mode 100644
index 0000000..5644d58
--- /dev/null
+++ b/marvell/uboot/arch/blackfin/lib/boot.c
@@ -0,0 +1,74 @@
+/*
+ * U-boot - boot.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>
+
+#ifdef SHARED_RESOURCES
+extern void swap_to(int device_id);
+#endif
+
+#ifdef CONFIG_VIDEO
+extern void video_stop(void);
+#endif
+
+static char *make_command_line(void)
+{
+ char *dest = (char *)CONFIG_LINUX_CMDLINE_ADDR;
+ char *bootargs = getenv("bootargs");
+
+ if (bootargs == NULL)
+ return NULL;
+
+ strncpy(dest, bootargs, CONFIG_LINUX_CMDLINE_SIZE);
+ dest[CONFIG_LINUX_CMDLINE_SIZE - 1] = 0;
+ return dest;
+}
+
+extern ulong bfin_poweron_retx;
+
+int do_bootm_linux(int flag, int argc, char * const argv[], bootm_headers_t *images)
+{
+ int (*appl) (char *cmdline);
+ char *cmdline;
+
+ if (flag & BOOTM_STATE_OS_PREP)
+ return 0;
+ if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
+ return 1;
+
+#ifdef SHARED_RESOURCES
+ swap_to(FLASH);
+#endif
+
+#ifdef CONFIG_VIDEO
+ /* maybe this should be standardized and moved to bootm ... */
+ video_stop();
+#endif
+
+ appl = (int (*)(char *))images->ep;
+
+ printf("Starting Kernel at = %p\n", appl);
+ cmdline = make_command_line();
+ icache_disable();
+ dcache_disable();
+ asm __volatile__(
+ "RETX = %[retx];"
+ "CALL (%0);"
+ :
+ : "p"(appl), "q0"(cmdline), [retx] "d"(bfin_poweron_retx)
+ );
+ /* does not return */
+
+ return 1;
+}