sh: Add support for r0p7734 board

The r0p7734 board has SH7734, 128MB DDR2-SDRAM, USB,
Ethernet, and more.

This patch supports the following functions:
- 128MB DDR2-SDRAM
- 32MB NOR Flash memory
- Serial console (SCIF)
- Ethernet (SH-Ether/SMSC)

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>

1 files changed, 78 insertions, 0 deletions

diff --git a/board/renesas/r0p7734/r0p7734.c b/board/renesas/r0p7734/r0p7734.c
new file mode 100644
index 0000000..80f4329
--- /dev/null
+++ b/board/renesas/r0p7734/r0p7734.c
@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2011 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
+ * Copyright (C) 2011 Renesas Solutions Corp.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/processor.h>
+#include <netdev.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define MODEMR			(0xFFCC0020)
+#define MODEMR_MASK		(0x6)
+#define MODEMR_533MHZ	(0x2)
+
+int checkboard(void)
+{
+	u32 r = readl(MODEMR);
+	if ((r & MODEMR_MASK) & MODEMR_533MHZ)
+		puts("CPU Clock: 533MHz\n");
+	else
+		puts("CPU Clock: 400MHz\n");
+
+	puts("BOARD: Renesas Technology Corp. R0P7734C00000RZ\n");
+	return 0;
+}
+
+#define MSTPSR1			(0xFFC80044)
+#define MSTPCR1			(0xFFC80034)
+#define MSTPSR1_GETHER	(1 << 14)
+
+int board_init(void)
+{
+#if defined(CONFIG_SH_ETHER)
+	u32 r = readl(MSTPSR1);
+	if (r & MSTPSR1_GETHER)
+		writel((r & ~MSTPSR1_GETHER), MSTPCR1);
+#endif
+	return 0;
+}
+
+int dram_init(void)
+{
+	gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
+	gd->bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE;
+	printf("DRAM:  %dMB\n", CONFIG_SYS_SDRAM_SIZE / (1024 * 1024));
+
+	return 0;
+}
+
+#ifdef CONFIG_SMC911X
+int board_eth_init(bd_t *bis)
+{
+	int rc = 0;
+	rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
+	return rc;
+}
+#endif
+