sh: Add SH7269 device and RSK2+SH7269 board

This is an sh2a device (max 266MHz) with FPU, video display
controller (VDC), 8 serial ports, 4 I2C channels, 3 CAN ports,
SD and on-chip USB.

The RSK2+SH7269 board uses the SH7269 processor. It is often
referred to as just rsk7269.

Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>

1 files changed, 73 insertions, 0 deletions

diff --git a/board/renesas/rsk7269/rsk7269.c b/board/renesas/rsk7269/rsk7269.c
new file mode 100644
index 0000000..842a154
--- /dev/null
+++ b/board/renesas/rsk7269/rsk7269.c
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2012 Renesas Electronics Europe Ltd.
+ * Copyright (C) 2012 Phil Edworthy
+ * Copyright (C) 2008 Renesas Solutions Corp.
+ * Copyright (C) 2008 Nobuhiro Iwamatsu
+ *
+ * Based on u-boot/board/rsk7264/rsk7264.c
+ *
+ * This file is released under the terms of GPL v2 and any later version.
+ * See the file COPYING in the root directory of the source tree for details.
+ */
+
+#include <common.h>
+#include <net.h>
+#include <netdev.h>
+#include <asm/io.h>
+#include <asm/processor.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int checkboard(void)
+{
+	puts("BOARD: Renesas RSK7269\n");
+	return 0;
+}
+
+int board_init(void)
+{
+	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;
+}
+
+void led_set_state(unsigned short value)
+{
+}
+
+/*
+ * The RSK board has the SMSC89218 wired up 'incorrectly'.
+ * Byte-swapping is necessary, and so poor performance is inevitable.
+ * This problem cannot evade by the swap function of CHIP, this can
+ * evade by software Byte-swapping.
+ * And this has problem by FIFO access only. pkt_data_pull/pkt_data_push
+ * functions necessary to solve this problem.
+ */
+u32 pkt_data_pull(struct eth_device *dev, u32 addr)
+{
+	volatile u16 *addr_16 = (u16 *)(dev->iobase + addr);
+	return (u32)((swab16(*addr_16) << 16) & 0xFFFF0000)\
+				| swab16(*(addr_16 + 1));
+}
+
+void pkt_data_push(struct eth_device *dev, u32 addr, u32 val)
+{
+	addr += dev->iobase;
+	*(volatile u16 *)(addr + 2) = swab16((u16)val);
+	*(volatile u16 *)(addr) = swab16((u16)(val >> 16));
+}
+
+int board_eth_init(bd_t *bis)
+{
+	int rc = 0;
+#ifdef CONFIG_SMC911X
+	rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
+#endif
+	return rc;
+}