ARM: rmobile: Add support salvator-x board

Salvator-x is an entry level development board based on
R-Car H3 SoC (R8A7795). This commit supports SCIF only.

Signed-off-by: Hiroyuki Yokoyama <hiroyuki.yokoyama.vx@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>

include/configs/rcar-gen3-common.h

@@ -0,0 +1,105 @@
+/*
+ * include/configs/rcar-gen3-common.h
+ *	This file is R-Car Gen3 common configuration file.
+ *
+ * Copyright (C) 2015 Renesas Electronics Corporation
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __RCAR_GEN3_COMMON_H
+#define __RCAR_GEN3_COMMON_H
+
+#include <asm/arch/rmobile.h>
+
+#define CONFIG_CMD_BOOTI
+#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_FAT
+#define CONFIG_CMD_EXT2
+#define CONFIG_CMD_EXT4
+#define CONFIG_CMD_EXT4_WRITE
+
+#define CONFIG_REMAKE_ELF
+
+/* boot option */
+#define CONFIG_SUPPORT_RAW_INITRD
+
+/* Support File sytems */
+#define CONFIG_FAT_WRITE
+#define CONFIG_DOS_PARTITION
+#define CONFIG_SUPPORT_VFAT
+#define CONFIG_FS_EXT4
+#define CONFIG_EXT4_WRITE
+
+#define CONFIG_CMDLINE_TAG
+#define CONFIG_SETUP_MEMORY_TAGS
+#define CONFIG_INITRD_TAG
+#define CONFIG_CMDLINE_EDITING
+#define CONFIG_OF_LIBFDT
+
+#define CONFIG_BAUDRATE		115200
+#define CONFIG_BOOTDELAY	3
+
+#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_SH_GPIO_PFC
+
+/* console */
+#undef  CONFIG_SYS_CONSOLE_INFO_QUIET
+#undef  CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE
+#undef  CONFIG_SYS_CONSOLE_ENV_OVERWRITE
+
+#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	{ 115200, 38400 }
+
+/* MEMORY */
+#define CONFIG_SYS_TEXT_BASE		0x49000000
+#define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_TEXT_BASE + 0x7fff0)
+
+#define CONFIG_SYS_SDRAM_BASE		(0x48000000)
+#define CONFIG_SYS_SDRAM_SIZE		(1024u * 1024 * 1024 - 0x08000000)
+#define CONFIG_SYS_LOAD_ADDR		(0x48080000)
+#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)
+
+/* ENV setting */
+#define CONFIG_ENV_OVERWRITE
+#define CONFIG_ENV_SECT_SIZE	(128 * 1024)
+#define CONFIG_ENV_SIZE		(CONFIG_ENV_SECT_SIZE)
+#define CONFIG_ENV_SIZE_REDUND	(CONFIG_ENV_SIZE)
+
+#define CONFIG_EXTRA_ENV_SETTINGS	\
+	"fdt_high=0xffffffffffffffff\0"	\
+	"initrd_high=0xffffffffffffffff\0"
+
+#define CONFIG_BOOTARGS	\
+	"console=ttySC0,115200 rw root=/dev/nfs "	\
+	"nfsroot=192.168.0.1:/export/rfs ip=192.168.0.20"
+
+#define CONFIG_BOOTCOMMAND	\
+	"tftp 0x48080000 Image; " \
+	"tftp 0x48000000 Image-r8a7795-salvator-x.dtb; " \
+	"booti 0x48080000 - 0x48000000"
+
+#endif	/* __RCAR_GEN3_COMMON_H */

include/configs/salvator-x.h

@@ -0,0 +1,54 @@
+/*
+ * include/configs/salvator-x.h
+ *     This file is Salvator-X board configuration.
+ *
+ * Copyright (C) 2015 Renesas Electronics Corporation
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __SALVATOR_X_H
+#define __SALVATOR_X_H
+
+#undef DEBUG
+
+#define CONFIG_RCAR_BOARD_STRING "Salvator-X"
+
+#include "rcar-gen3-common.h"
+
+/* SCIF */
+#define CONFIG_SCIF_CONSOLE
+#define CONFIG_CONS_SCIF2
+#define CONFIG_CONS_INDEX	2
+#define CONFIG_SH_SCIF_CLK_FREQ	CONFIG_SYS_CLK_FREQ
+
+/* [A] Hyper Flash */
+/* use to RPC(SPI Multi I/O Bus Controller) */
+#define CONFIG_SYS_NO_FLASH
+#define CONFIG_ENV_IS_NOWHERE
+
+/* Board Clock */
+/* XTAL_CLK : 33.33MHz */
+#define RCAR_XTAL_CLK		33333333u
+#define CONFIG_SYS_CLK_FREQ	RCAR_XTAL_CLK
+/* ch0to2 CPclk, ch3to11 S3D2_PEREclk, ch12to14 S3D2_RTclk */
+/* CPclk 16.66MHz, S3D2 133.33MHz                          */
+#define CONFIG_CP_CLK_FREQ	(CONFIG_SYS_CLK_FREQ / 2)
+#define CONFIG_PLL1_CLK_FREQ	(CONFIG_SYS_CLK_FREQ * 192 / 2)
+#define CONFIG_S3D2_CLK_FREQ	(266666666u/2)
+
+/* Generic Timer Definitions (use in assembler source) */
+#define COUNTER_FREQUENCY	0xFE502A	/* 16.66MHz from CPclk */
+
+/* Generic Interrupt Controller Definitions */
+#define CONFIG_GICV2
+#define GICD_BASE	0xF1010000
+#define GICC_BASE	0xF1020000
+
+/* Module stop status bits */
+/* MFIS, SCIF1 */
+#define CONFIG_SMSTP2_ENA	0x00002040
+/* INTC-AP, IRQC */
+#define CONFIG_SMSTP4_ENA	0x00000180
+
+#endif /* __SALVATOR_X_H */