arm: rmobile: Add support gose board

The gose board has R8A7793, 1GB DDR3-SDRAM, USB, Ethernet, and more.
This patch supports the following functions:
 - DDR3-SDRAM
 - SCIF
 - QSPI
 - SPI

Signed-off-by: Hisashi Nakamura <hisashi.nakamura.ak@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
CC: Masahiro Yamada <yamada.m@jp.panasonic.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>

arch/arm/cpu/armv7/rmobile/Kconfig

@@ -6,6 +6,9 @@ choice
 config TARGET_ARMADILLO_800EVA
 	bool "armadillo 800 eva board"
 
+config TARGET_GOSE
+	bool "Gose board"
+
 config TARGET_KOELSCH
 	bool "Koelsch board"
 
@@ -29,6 +32,7 @@ config RMOBILE_EXTRAM_BOOT
 	default n
 
 source "board/atmark-techno/armadillo-800eva/Kconfig"
+source "board/renesas/gose/Kconfig"
 source "board/renesas/koelsch/Kconfig"
 source "board/renesas/lager/Kconfig"
 source "board/kmc/kzm9g/Kconfig"

board/renesas/gose/Kconfig

+if TARGET_GOSE
+
+config SYS_BOARD
+	default "gose"
+
+config SYS_VENDOR
+	default "renesas"
+
+config SYS_CONFIG_NAME
+	default "gose"
+
+endif

board/renesas/gose/MAINTAINERS

+ALT BOARD
+M:	Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
+S:	Maintained
+F:	board/renesas/gose/
+F:	include/configs/gose.h
+F:	configs/gose_defconfig

board/renesas/gose/Makefile

+#
+# board/renesas/alt/Makefile
+#
+# Copyright (C) 2014 Renesas Electronics Corporation
+#
+# SPDX-License-Identifier: GPL-2.0
+#
+
+obj-y	:= gose.o qos.o

board/renesas/gose/gose.c

+/*
+ * board/renesas/gose/gose.c
+ *
+ * Copyright (C) 2014 Renesas Electronics Corporation
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <common.h>
+#include <malloc.h>
+#include <asm/processor.h>
+#include <asm/mach-types.h>
+#include <asm/io.h>
+#include <asm/errno.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/gpio.h>
+#include <asm/arch/rmobile.h>
+#include <i2c.h>
+#include "qos.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define CLK2MHZ(clk)	(clk / 1000 / 1000)
+void s_init(void)
+{
+	struct rcar_rwdt *rwdt = (struct rcar_rwdt *)RWDT_BASE;
+	struct rcar_swdt *swdt = (struct rcar_swdt *)SWDT_BASE;
+	u32 stc;
+
+	/* Watchdog init */
+	writel(0xA5A5A500, &rwdt->rwtcsra);
+	writel(0xA5A5A500, &swdt->swtcsra);
+
+	/* CPU frequency setting. Set to 1.5GHz */
+	stc = ((1500 / CLK2MHZ(CONFIG_SYS_CLK_FREQ)) - 1) << PLL0_STC_BIT;
+	clrsetbits_le32(PLL0CR, PLL0_STC_MASK, stc);
+
+	/* QoS */
+	qos_init();
+}
+
+#define MSTPSR1		0xE6150038
+#define SMSTPCR1	0xE6150134
+#define TMU0_MSTP125	(1 << 25)
+
+#define MSTPSR7		0xE61501C4
+#define SMSTPCR7	0xE615014C
+#define SCIF0_MSTP721	(1 << 21)
+
+#define mstp_setbits(type, addr, saddr, set) \
+	out_##type((saddr), in_##type(addr) | (set))
+#define mstp_clrbits(type, addr, saddr, clear) \
+	out_##type((saddr), in_##type(addr) & ~(clear))
+#define mstp_setbits_le32(addr, saddr, set) \
+	mstp_setbits(le32, addr, saddr, set)
+#define mstp_clrbits_le32(addr, saddr, clear) \
+	mstp_clrbits(le32, addr, saddr, clear)
+
+int board_early_init_f(void)
+{
+	/* TMU0 */
+	mstp_clrbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125);
+
+	/* SCIF0 */
+	mstp_clrbits_le32(MSTPSR7, SMSTPCR7, SCIF0_MSTP721);
+
+	return 0;
+}
+
+#define TSTR0		0x04
+#define TSTR0_STR0	0x01
+void arch_preboot_os(void)
+{
+	/* stop TMU0 */
+	mstp_clrbits_le32(TMU_BASE + TSTR0, TMU_BASE + TSTR0, TSTR0_STR0);
+	/* Disable TMU0 */
+	mstp_setbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125);
+}
+
+int board_init(void)
+{
+	/* adress of boot parameters */
+	gd->bd->bi_boot_params = GOSE_SDRAM_BASE + 0x100;
+
+	/* Init PFC controller */
+	r8a7793_pinmux_init();
+
+	return 0;
+}
+
+int dram_init(void)
+{
+	gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
+
+	return 0;
+}
+
+const struct rmobile_sysinfo sysinfo = {
+	CONFIG_RMOBILE_BOARD_STRING
+};
+
+void dram_init_banksize(void)
+{
+	gd->bd->bi_dram[0].start = GOSE_SDRAM_BASE;
+	gd->bd->bi_dram[0].size = GOSE_SDRAM_SIZE;
+}
+
+void reset_cpu(ulong addr)
+{
+	u8 val;
+
+	i2c_set_bus_num(2); /* PowerIC connected to ch2 */
+	i2c_read(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1);
+	val |= 0x02;
+	i2c_write(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1);
+}

board/renesas/gose/qos.h

+/*
+ * Copyright (C) 2014 Renesas Electronics Corporation
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#ifndef __QOS_H__
+#define __QOS_H__
+
+void qos_init(void);
+
+#endif

configs/gose_defconfig

+CONFIG_ARM=y
+CONFIG_RMOBILE=y
+CONFIG_TARGET_GOSE=y

include/configs/gose.h

+/*
+ * include/configs/gose.h
+ *
+ * Copyright (C) 2014 Renesas Electronics Corporation
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#ifndef __GOSE_H
+#define __GOSE_H
+
+#undef DEBUG
+#define CONFIG_R8A7793
+#define CONFIG_RMOBILE_BOARD_STRING "Gose"
+#define CONFIG_SH_GPIO_PFC
+
+#include <asm/arch/rmobile.h>
+
+#define CONFIG_CMD_EDITENV
+#define CONFIG_CMD_SAVEENV
+#define CONFIG_CMD_MEMORY
+#define CONFIG_CMD_DFL
+#define CONFIG_CMD_SDRAM
+#define CONFIG_CMD_RUN
+#define CONFIG_CMD_LOADS
+#define CONFIG_CMD_BOOTZ
+#define CONFIG_CMD_SF
+#define CONFIG_CMD_SPI
+#define CONFIG_CMD_I2C
+
+#if defined(CONFIG_RMOBILE_EXTRAM_BOOT)
+#define CONFIG_SYS_TEXT_BASE	0x70000000
+#else
+#define CONFIG_SYS_TEXT_BASE	0xE6304000
+#endif
+
+#define CONFIG_SYS_THUMB_BUILD
+#define CONFIG_SYS_GENERIC_BOARD
+
+#define	CONFIG_CMDLINE_TAG
+#define	CONFIG_SETUP_MEMORY_TAGS
+#define	CONFIG_INITRD_TAG
+#define	CONFIG_CMDLINE_EDITING
+
+#define CONFIG_OF_LIBFDT
+
+#define CONFIG_BAUDRATE		38400
+#define CONFIG_BOOTDELAY	3
+#define CONFIG_BOOTARGS		""
+
+#define CONFIG_VERSION_VARIABLE
+#undef	CONFIG_SHOW_BOOT_PROGRESS
+
+#define CONFIG_ARCH_CPU_INIT
+#define CONFIG_DISPLAY_CPUINFO
+#define CONFIG_DISPLAY_BOARDINFO
+#define CONFIG_BOARD_EARLY_INIT_F
+#define CONFIG_TMU_TIMER
+
+/* STACK */
+#if defined(CONFIG_RMOBILE_EXTRAM_BOOT)
+#define CONFIG_SYS_INIT_SP_ADDR		0x7003FFFC
+#else
+#define CONFIG_SYS_INIT_SP_ADDR		0xE633FFFC
+#endif
+
+#define STACK_AREA_SIZE			0xC000
+#define LOW_LEVEL_MERAM_STACK	\
+	(CONFIG_SYS_INIT_SP_ADDR + STACK_AREA_SIZE - 4)
+
+/* MEMORY */
+#define GOSE_SDRAM_BASE		0x40000000
+#define GOSE_SDRAM_SIZE		0x40000000
+#define GOSE_UBOOT_SDRAM_SIZE	0x20000000
+
+#define CONFIG_SYS_LONGHELP
+#define CONFIG_SYS_CBSIZE		256
+#define CONFIG_SYS_PBSIZE		256
+#define CONFIG_SYS_MAXARGS		16
+#define CONFIG_SYS_BARGSIZE		512
+#define CONFIG_SYS_BAUDRATE_TABLE	{ 38400, 115200 }
+
+/* SCIF */
+#define CONFIG_SCIF_CONSOLE
+#define CONFIG_CONS_SCIF0
+#define CONFIG_SCIF_USE_EXT_CLK
+#undef	CONFIG_SYS_CONSOLE_INFO_QUIET
+#undef	CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE
+#undef	CONFIG_SYS_CONSOLE_ENV_OVERWRITE
+
+#define CONFIG_SYS_MEMTEST_START	(GOSE_SDRAM_BASE)
+#define CONFIG_SYS_MEMTEST_END		(CONFIG_SYS_MEMTEST_START + \
+					 504 * 1024 * 1024)
+#undef	CONFIG_SYS_ALT_MEMTEST
+#undef	CONFIG_SYS_MEMTEST_SCRATCH
+#undef	CONFIG_SYS_LOADS_BAUD_CHANGE
+
+#define CONFIG_SYS_SDRAM_BASE		(GOSE_SDRAM_BASE)
+#define CONFIG_SYS_SDRAM_SIZE		(GOSE_UBOOT_SDRAM_SIZE)
+#define CONFIG_SYS_LOAD_ADDR		(CONFIG_SYS_SDRAM_BASE + 0x7fc0)
+#define CONFIG_NR_DRAM_BANKS		1
+
+#define CONFIG_SYS_MONITOR_BASE		0x00000000
+#define CONFIG_SYS_MONITOR_LEN		(256 * 1024)
+#define CONFIG_SYS_MALLOC_LEN		(1 * 1024 * 1024)
+#define CONFIG_SYS_BOOTMAPSZ		(8 * 1024 * 1024)
+
+/* FLASH */
+#define CONFIG_SYS_NO_FLASH
+#define CONFIG_SPI
+#define CONFIG_SH_QSPI
+#define CONFIG_SPI_FLASH
+#define CONFIG_SPI_FLASH_BAR
+#define CONFIG_SPI_FLASH_SPANSION
+/* ENV setting */
+#define CONFIG_ENV_IS_IN_SPI_FLASH
+#define CONFIG_ENV_ADDR	0xC0000
+
+/* Common ENV setting */
+#define CONFIG_ENV_OVERWRITE
+#define CONFIG_ENV_SECT_SIZE	(256 * 1024)
+#define CONFIG_ENV_OFFSET	(CONFIG_ENV_ADDR)
+#define CONFIG_ENV_SIZE		(CONFIG_ENV_SECT_SIZE)
+#define CONFIG_ENV_SIZE_REDUND	(CONFIG_SYS_MONITOR_LEN)
+
+/* Board Clock */
+#define RMOBILE_XTAL_CLK	20000000u
+#define CONFIG_SYS_CLK_FREQ	RMOBILE_XTAL_CLK
+#define CONFIG_SH_TMU_CLK_FREQ	(CONFIG_SYS_CLK_FREQ / 2)
+#define CONFIG_SH_SCIF_CLK_FREQ	14745600
+#define CONFIG_SYS_TMU_CLK_DIV	4
+
+/* I2C */
+#define CONFIG_SYS_I2C
+#define CONFIG_SYS_I2C_SH
+#define CONFIG_SYS_I2C_SLAVE	0x7F
+#define CONFIG_SYS_I2C_SH_NUM_CONTROLLERS	3
+#define CONFIG_SYS_I2C_SH_BASE0		0xE6500000
+#define CONFIG_SYS_I2C_SH_SPEED0	400000
+#define CONFIG_SYS_I2C_SH_BASE1		0xE6510000
+#define CONFIG_SYS_I2C_SH_SPEED1	400000
+#define CONFIG_SYS_I2C_SH_BASE2		0xE60B0000
+#define CONFIG_SYS_I2C_SH_SPEED2	400000
+#define CONFIG_SH_I2C_DATA_HIGH	4
+#define CONFIG_SH_I2C_DATA_LOW	5
+#define CONFIG_SH_I2C_CLOCK	10000000
+
+#define CONFIG_SYS_I2C_POWERIC_ADDR 0x58 /* da9063 */
+
+#endif	/* __GOSE_H */