[U-Boot-Users] [PATCH/review] Blackfin: move bootldr command to common code

[Mike Frysinger]

This moves the Blackfin-common bootldr command out of the BF537-STAMP
specific board directory and into the common directory so that all Blackfin
boards may utilize it.

Signed-off-by: Mike Frysinger <vapier at gentoo.org>
---
 board/bf537-stamp/bf537-stamp.c |   45 ---------------------------
 common/Makefile                 |    1 +
 common/cmd_bootldr.c            |   64 +++++++++++++++++++++++++++++++++++++++
 3 files changed, 65 insertions(+), 45 deletions(-)
 create mode 100644 common/cmd_bootldr.c

diff --git a/board/bf537-stamp/bf537-stamp.c b/board/bf537-stamp/bf537-stamp.c
index d279817..e36a1b6 100644
--- a/board/bf537-stamp/bf537-stamp.c
+++ b/board/bf537-stamp/bf537-stamp.c
@@ -54,51 +54,6 @@ DECLARE_GLOBAL_DATA_PTR;
 
 #define POST_WORD_ADDR 0xFF903FFC
 
-/*
- * the bootldr command loads an address, checks to see if there
- *   is a Boot stream that the on-chip BOOTROM can understand,
- *   and loads it via the BOOTROM Callback. It is possible
- *   to also add booting from SPI, or TWI, but this function does
- *   not currently support that.
- */
-int do_bootldr(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
-{
-	ulong addr, entry;
-	ulong *data;
-
-	/* Get the address */
-	if (argc < 2) {
-		addr = load_addr;
-	} else {
-		addr = simple_strtoul(argv[1], NULL, 16);
-	}
-
-	/* Check if it is a LDR file */
-	data = (ulong *) addr;
-	if (*data == 0xFF800060 || *data == 0xFF800040 || *data == 0xFF800020) {
-		/* We want to boot from FLASH or SDRAM */
-		entry = _BOOTROM_BOOT_DXE_FLASH;
-		printf("## Booting ldr image at 0x%08lx ...\n", addr);
-		if (icache_status())
-			icache_disable();
-		if (dcache_status())
-			dcache_disable();
-
-	      __asm__("R7=%[a];\n" "P0=%[b];\n" "JUMP (P0);\n":
-	      :[a] "d"(addr),[b] "a"(entry)
-	      :"R7", "P0");
-
-	} else {
-		printf("## No ldr image at address 0x%08lx\n", addr);
-	}
-
-	return 0;
-}
-
-U_BOOT_CMD(bootldr, 2, 0, do_bootldr,
-	   "bootldr - boot ldr image from memory\n",
-	   "[addr]\n         - boot ldr image stored in memory\n");
-
 int checkboard(void)
 {
 #if (BFIN_CPU == ADSP_BF534)
diff --git a/common/Makefile b/common/Makefile
index a88d1ef..1244e0b 100644
--- a/common/Makefile
+++ b/common/Makefile
@@ -37,6 +37,7 @@ COBJS-$(CONFIG_CMD_BDI) += cmd_bdinfo.o
 COBJS-$(CONFIG_CMD_BEDBUG) += cmd_bedbug.o
 COBJS-$(CONFIG_CMD_BMP) += cmd_bmp.o
 COBJS-y += cmd_boot.o
+COBJS-$(CONFIG_CMD_BOOTLDR) += cmd_bootldr.o
 COBJS-y += cmd_bootm.o
 COBJS-$(CONFIG_CMD_CACHE) += cmd_cache.o
 COBJS-$(CONFIG_CMD_CONSOLE) += cmd_console.o
diff --git a/common/cmd_bootldr.c b/common/cmd_bootldr.c
new file mode 100644
index 0000000..e6474aa
--- /dev/null
+++ b/common/cmd_bootldr.c
@@ -0,0 +1,64 @@
+/*
+ * U-boot - bootldr.c
+ *
+ * Copyright (c) 2005-2008 Analog Devices Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <config.h>
+#include <common.h>
+#include <command.h>
+
+#include <asm/blackfin.h>
+#include <asm/mach-common/bits/bootrom.h>
+
+/*
+ * the bootldr command loads an address, checks to see if there
+ *   is a Boot stream that the on-chip BOOTROM can understand,
+ *   and loads it via the BOOTROM Callback. It is possible
+ *   to also add booting from SPI, or TWI, but this function does
+ *   not currently support that.
+ */
+
+int do_bootldr(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	void *addr;
+	uint32_t *data;
+
+	/* Get the address */
+	if (argc < 2)
+		addr = (void *)load_addr;
+	else
+		addr = (void *)simple_strtoul(argv[1], NULL, 16);
+
+	/* Check if it is a LDR file */
+	data = addr;
+#if defined(__ADSPBF54x__) || defined(__ADSPBF52x__)
+	if ((*data & 0xFF000000) == 0xAD000000 && data[2] == 0x00000000) {
+#else
+	if (*data == 0xFF800060 || *data == 0xFF800040 || *data == 0xFF800020) {
+#endif
+		/* We want to boot from FLASH or SDRAM */
+		printf("## Booting ldr image at 0x%p ...\n", addr);
+
+		icache_disable();
+		dcache_disable();
+
+		__asm__(
+			"jump (%1);"
+			:
+			: "q7" (addr), "a" (_BOOTROM_MEMBOOT));
+	} else
+		printf("## No ldr image at address 0x%p\n", addr);
+
+	return 0;
+}
+
+U_BOOT_CMD(bootldr, 2, 0, do_bootldr,
+	"bootldr - boot ldr image from memory\n",
+	"[addr]\n"
+	"    - boot ldr image stored in memory\n");
-- 
1.5.4.2