sh: Add support for AP-SH4A-4A board

The AP-SH4A-4A board has SH7734, 64MB DDR2-SDRAM, USB,
Ethernet, and more.

This patch supports the following functions:
  - 64MB DDR2-SDRAM
  - 16MB NOR Flash memory
  - Serial console (SCIF)
  - Ethernet (SH-Ether with Gigabit)
  - I2C

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

1 files changed, 176 insertions, 0 deletions

diff --git a/include/configs/ap_sh4a_4a.h b/include/configs/ap_sh4a_4a.h
new file mode 100644
index 0000000..f63061b
--- /dev/null
+++ b/include/configs/ap_sh4a_4a.h
@@ -0,0 +1,176 @@
+/*
+ * Configuation settings for the Alpha Project AP-SH4A-4A board
+ *
+ * Copyright (C) 2012 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
+ *
+ * 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.
+ *
+ */
+
+#ifndef __AP_SH4A_4A_H
+#define __AP_SH4A_4A_H
+
+#undef DEBUG
+#define CONFIG_SH		1
+#define CONFIG_SH4		1
+#define CONFIG_SH4A		1
+#define CONFIG_CPU_SH7734	1
+#define CONFIG_AP_SH4A_4A	1
+#define CONFIG_400MHZ_MODE	1
+/* #define CONFIG_533MHZ_MODE	1 */
+
+#define CONFIG_BOARD_LATE_INIT
+#define CONFIG_SYS_TEXT_BASE 0x8BFC0000
+
+#define CONFIG_CMD_FLASH
+#define CONFIG_CMD_MEMORY
+#define CONFIG_CMD_NET
+#define CONFIG_CMD_PING
+#define CONFIG_CMD_MII
+#define CONFIG_CMD_NFS
+#define CONFIG_CMD_SDRAM
+#define CONFIG_CMD_ENV
+#define CONFIG_CMD_SAVEENV
+
+#define CONFIG_BAUDRATE		115200
+#define CONFIG_BOOTDELAY	3
+#define CONFIG_BOOTARGS		"console=ttySC4,115200"
+
+#define CONFIG_VERSION_VARIABLE
+#undef  CONFIG_SHOW_BOOT_PROGRESS
+
+/* Ether */
+#define CONFIG_SH_ETHER 1
+#define CONFIG_SH_ETHER_USE_PORT (0)
+#define CONFIG_SH_ETHER_PHY_ADDR (0x0)
+#define CONFIG_SH_ETHER_PHY_MODE (PHY_INTERFACE_MODE_GMII)
+#define CONFIG_SH_ETHER_SH7734_MII (0x02) /* GMII */
+#define CONFIG_PHYLIB
+#define CONFIG_PHY_MICREL 1
+#define CONFIG_BITBANGMII
+#define CONFIG_BITBANGMII_MULTI
+
+/* I2C */
+#define CONFIG_CMD_I2C
+#define CONFIG_SH_SH7734_I2C	1
+#define CONFIG_HARD_I2C			1
+#define CONFIG_I2C_MULTI_BUS	1
+#define CONFIG_SYS_MAX_I2C_BUS	2
+#define CONFIG_SYS_I2C_MODULE	0
+#define CONFIG_SYS_I2C_SPEED	400000 /* 400 kHz */
+#define CONFIG_SYS_I2C_SLAVE	0x50
+#define CONFIG_SH_I2C_DATA_HIGH	4
+#define CONFIG_SH_I2C_DATA_LOW	5
+#define CONFIG_SH_I2C_CLOCK		500000000
+#define CONFIG_SH_I2C_BASE0		0xFFC70000
+#define CONFIG_SH_I2C_BASE1		0xFFC71000
+
+/* undef to save memory	*/
+#define CONFIG_SYS_LONGHELP
+/* Monitor Command Prompt */
+#define CONFIG_SYS_PROMPT		"=> "
+/* Buffer size for input from the Console */
+#define CONFIG_SYS_CBSIZE		256
+/* Buffer size for Console output */
+#define CONFIG_SYS_PBSIZE		256
+/* max args accepted for monitor commands */
+#define CONFIG_SYS_MAXARGS		16
+/* Buffer size for Boot Arguments passed to kernel */
+#define CONFIG_SYS_BARGSIZE	512
+/* List of legal baudrate settings for this board */
+#define CONFIG_SYS_BAUDRATE_TABLE	{ 115200 }
+
+/* SCIF */
+#define CONFIG_SCIF_CONSOLE	1
+#define CONFIG_SCIF			1
+#define CONFIG_CONS_SCIF4	1
+
+/* Suppress display of console information at boot */
+#undef  CONFIG_SYS_CONSOLE_INFO_QUIET
+#undef  CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE
+#undef  CONFIG_SYS_CONSOLE_ENV_OVERWRITE
+
+/* SDRAM */
+#define CONFIG_SYS_SDRAM_BASE	(0x88000000)
+#define CONFIG_SYS_SDRAM_SIZE	(64 * 1024 * 1024)
+#define CONFIG_SYS_LOAD_ADDR	(CONFIG_SYS_SDRAM_BASE + 16 * 1024 * 1024)
+
+#define CONFIG_SYS_MEMTEST_START (CONFIG_SYS_SDRAM_BASE)
+#define CONFIG_SYS_MEMTEST_END	 (CONFIG_SYS_MEMTEST_START + CONFIG_SYS_SDRAM_SIZE)
+/* Enable alternate, more extensive, memory test */
+#undef  CONFIG_SYS_ALT_MEMTEST
+/* Scratch address used by the alternate memory test */
+#undef  CONFIG_SYS_MEMTEST_SCRATCH
+
+/* Enable temporary baudrate change while serial download */
+#undef  CONFIG_SYS_LOADS_BAUD_CHANGE
+
+/* FLASH */
+#define CONFIG_FLASH_CFI_DRIVER 1
+#define CONFIG_SYS_FLASH_CFI
+#undef  CONFIG_SYS_FLASH_QUIET_TEST
+#define CONFIG_SYS_FLASH_EMPTY_INFO
+#define CONFIG_SYS_FLASH_BASE	(0xA0000000)
+#define CONFIG_SYS_MAX_FLASH_SECT	512
+
+/* if you use all NOR Flash , you change dip-switch. Please see Manual. */
+#define CONFIG_SYS_MAX_FLASH_BANKS	1
+#define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE }
+
+/* Timeout for Flash erase operations (in ms) */
+#define CONFIG_SYS_FLASH_ERASE_TOUT	(3 * 1000)
+/* Timeout for Flash write operations (in ms) */
+#define CONFIG_SYS_FLASH_WRITE_TOUT	(3 * 1000)
+/* Timeout for Flash set sector lock bit operations (in ms) */
+#define CONFIG_SYS_FLASH_LOCK_TOUT	(3 * 1000)
+/* Timeout for Flash clear lock bit operations (in ms) */
+#define CONFIG_SYS_FLASH_UNLOCK_TOUT	(3 * 1000)
+
+/*
+ * Use hardware flash sectors protection instead
+ * of U-Boot software protection
+ */
+#undef  CONFIG_SYS_FLASH_PROTECTION
+#undef  CONFIG_SYS_DIRECT_FLASH_TFTP
+
+/* Address of u-boot image in Flash (NOT run time address in SDRAM) ?!? */
+#define CONFIG_SYS_MONITOR_BASE	(CONFIG_SYS_FLASH_BASE)
+/* Monitor size */
+#define CONFIG_SYS_MONITOR_LEN	(256 * 1024)
+/* Size of DRAM reserved for malloc() use */
+#define CONFIG_SYS_MALLOC_LEN	(256 * 1024)
+/* size in bytes reserved for initial data */
+#define CONFIG_SYS_GBL_DATA_SIZE	(256)
+#define CONFIG_SYS_BOOTMAPSZ	(8 * 1024 * 1024)
+
+/* ENV setting */
+#define CONFIG_ENV_IS_IN_FLASH
+#define CONFIG_ENV_OVERWRITE	1
+#define CONFIG_ENV_SECT_SIZE	(128 * 1024)
+#define CONFIG_ENV_SIZE		(CONFIG_ENV_SECT_SIZE)
+#define CONFIG_ENV_ADDR		(CONFIG_SYS_FLASH_BASE + CONFIG_SYS_MONITOR_LEN)
+/* Offset of env Flash sector relative to CONFIG_SYS_FLASH_BASE */
+#define CONFIG_ENV_OFFSET	(CONFIG_ENV_ADDR - CONFIG_SYS_FLASH_BASE)
+#define CONFIG_ENV_SIZE_REDUND	(CONFIG_ENV_SECT_SIZE)
+
+/* Board Clock */
+#if defined(CONFIG_400MHZ_MODE)
+#define CONFIG_SYS_CLK_FREQ 50000000
+#else
+#define CONFIG_SYS_CLK_FREQ 44444444
+#endif
+#define CONFIG_SYS_TMU_CLK_DIV      4
+#define CONFIG_SYS_HZ       1000
+
+#endif	/* __AP_SH4A_4A_H */