sh: urquell: Add board comment
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/boards/board-urquell.c b/arch/sh/boards/board-urquell.c
index 8367d1d..f217f35 100644
--- a/arch/sh/boards/board-urquell.c
+++ b/arch/sh/boards/board-urquell.c
@@ -2,6 +2,8 @@
* Renesas Technology Corp. SH7786 Urquell Support.
*
* Copyright (C) 2008 Kuninori Morimoto <morimoto.kuninori@renesas.com>
+ *
+ * Based on board-sh7785lcr.c
* Copyright (C) 2008 Yoshihiro Shimoda
*
* This file is subject to the terms and conditions of the GNU General Public
@@ -21,6 +23,29 @@
#include <asm/heartbeat.h>
#include <asm/sizes.h>
+/* SWx 8765 4321
+ *----------------------------
+ * SW1 1101 0010 -> Pck 66MHz version
+ * (0101 0010) Pck 33MHz version (check CS1BCR)
+ * SW2 xxxx x1x0 -> little endian
+ * 29bit mode
+ * SW47 0001 1000 -> CS0 : nor flash
+ * CS1 : SRAM, registers, LAN, PCMCIA
+ * 38400 bps
+ *
+ * Address
+ * 0x00000000 Nor Flash
+ * 0x04000000 SRAM
+ * 0x05000000 FPGA register
+ * 0x05800000 LAN91C111
+ * 0x06000000 PCMCIA
+ * 0x10000000 PCIe
+ * 0x14000000 LRAM/URAM
+ * 0x18000000 ATA/NAND-Flash
+ * 0x1C000000 SH7786 Control register
+ */
+
+/* HeartBeat */
static struct resource heartbeat_resources[] = {
[0] = {
.start = BOARDREG(SLEDR),
@@ -43,6 +68,7 @@
.resource = heartbeat_resources,
};
+/* LAN91C111 */
static struct smc91x_platdata smc91x_info = {
.flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
};
@@ -69,6 +95,7 @@
},
};
+/* Nor Flash */
static struct mtd_partition nor_flash_partitions[] = {
{
.name = "loader",