sh: Add romImage support for EcoVec24

Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

2 files changed, 99 insertions, 0 deletions

diff --git a/arch/sh/include/mach-ecovec24/mach/partner-jet-setup.txt b/arch/sh/include/mach-ecovec24/mach/partner-jet-setup.txt
new file mode 100644
index 000000000000..ae805baec225
--- /dev/null
+++ b/arch/sh/include/mach-ecovec24/mach/partner-jet-setup.txt
@@ -0,0 +1,79 @@
+LIST "partner-jet-setup.txt"
+LIST "(C) Copyright 2009 Renesas Solutions Corp"
+LIST "Kuninori Morimoto <morimoto.kuninori@renesas.com>"
+LIST "--------------------------------"
+LIST "zImage (RAM boot)"
+LIST "This script can be used to boot the kernel from RAM via JTAG:"
+LIST "> < partner-jet-setup.txt"
+LIST "> RD zImage, 0xa8800000"
+LIST "> G=0xa8800000"
+LIST "--------------------------------"
+LIST "romImage (Flash boot)"
+LIST "Use the following command to burn the zImage to flash via JTAG:"
+LIST "> RD romImage, 0"
+LIST "--------------------------------"
+
+LIST "disable watchdog"
+EW 0xa4520004, 0xa507
+
+LIST "MMU"
+ED 0xff000010, 0x00000004
+
+LIST "setup clocks"
+ED 0xa4150024, 0x00004000
+ED 0xa4150000, 0x8E003508
+ED 0xa4150004, 0x00000000
+
+WAIT 1
+
+LIST "BSC"
+ED 0xff800020, 0xa5a50000
+ED 0xfec10000, 0x00000013
+ED 0xfec10004, 0x11110400
+ED 0xfec10024, 0x00000440
+
+WAIT 1
+
+LIST "setup sdram"
+ED 0xfd000108, 0x00000181
+ED 0xfd000020, 0x015B0002
+ED 0xfd000030, 0x03061502
+ED 0xfd000034, 0x02020102
+ED 0xfd000038, 0x01090305
+ED 0xfd00003c, 0x00000002
+ED 0xfd000008, 0x00000005
+ED 0xfd000018, 0x00000001
+
+WAIT 1
+
+ED 0xfd000014, 0x00000002
+ED 0xfd000060, 0x00020000
+ED 0xfd000060, 0x00030000
+ED 0xfd000060, 0x00010040
+ED 0xfd000060, 0x00000532
+ED 0xfd000014, 0x00000002
+ED 0xfd000014, 0x00000004
+ED 0xfd000014, 0x00000004
+ED 0xfd000060, 0x00000432
+ED 0xfd000060, 0x000103C0
+ED 0xfd000060, 0x00010040
+
+WAIT 1
+
+ED 0xfd000010, 0x00000001
+ED 0xfd000044, 0x00000613
+ED 0xfd000048, 0x238C003A
+ED 0xfd000014, 0x00000002
+
+LIST "Dummy read"
+DD 0x0c400000, 0x0c400000
+
+ED 0xfd000014, 0x00000002
+ED 0xfd000014, 0x00000004
+ED 0xfd000108, 0x00000080
+ED 0xfd000040, 0x00010000
+
+WAIT 1
+
+LIST "setup cache"
+ED 0xff00001c, 0x0000090b
diff --git a/arch/sh/include/mach-ecovec24/mach/romimage.h b/arch/sh/include/mach-ecovec24/mach/romimage.h
new file mode 100644
index 000000000000..1c8787ecb1c1
--- /dev/null
+++ b/arch/sh/include/mach-ecovec24/mach/romimage.h
@@ -0,0 +1,20 @@
+/* EcoVec board specific boot code:
+ * converts the "partner-jet-script.txt" script into assembly
+ * the assembly code is the first code to be executed in the romImage
+ */
+
+#include <asm/romimage-macros.h>
+#include "partner-jet-setup.txt"
+
+        /* execute icbi after enabling cache */
+        mov.l   1f, r0
+        icbi    @r0
+
+        /* jump to cached area */
+        mova    2f, r0
+        jmp     @r0
+        nop
+
+        .align 2
+1 :     .long 0xa8000000
+2 :