ARM: renesas: Add R8A77990 E3 Ebisu board

Add support for the R8A77990 Ebisu board.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>

9 files changed, 240 insertions, 0 deletions

diff --git a/arch/arm/dts/r8a77990-ebisu-u-boot.dts b/arch/arm/dts/r8a77990-ebisu-u-boot.dts
new file mode 100644
index 0000000000..28bc497046
--- /dev/null
+++ b/arch/arm/dts/r8a77990-ebisu-u-boot.dts
@@ -0,0 +1,10 @@
+/*
+ * Device Tree Source extras for U-Boot for the Ebisu board
+ *
+ * Copyright (C) 2018 Marek Vasut <marek.vasut@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0
+ */
+
+#include "r8a77990-ebisu.dts"
+#include "r8a77990-u-boot.dtsi"
diff --git a/arch/arm/dts/r8a77990-u-boot.dtsi b/arch/arm/dts/r8a77990-u-boot.dtsi
new file mode 100644
index 0000000000..30a9f0b8ea
--- /dev/null
+++ b/arch/arm/dts/r8a77990-u-boot.dtsi
@@ -0,0 +1,9 @@
+/*
+ * Device Tree Source extras for U-Boot on RCar R8A77990 SoC
+ *
+ * Copyright (C) 2018 Marek Vasut <marek.vasut@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0
+ */
+
+#include "r8a779x-u-boot.dtsi"
diff --git a/arch/arm/mach-rmobile/Kconfig.64 b/arch/arm/mach-rmobile/Kconfig.64
index 6b93d25358..cb9f569e5f 100644
--- a/arch/arm/mach-rmobile/Kconfig.64
+++ b/arch/arm/mach-rmobile/Kconfig.64
@@ -34,6 +34,11 @@ config TARGET_EAGLE
 	help
           Support for Renesas R-Car Gen3 Eagle platform
 
+config TARGET_EBISU
+	bool "Ebisu board"
+	help
+          Support for Renesas R-Car Gen3 Ebisu platform
+
 config TARGET_SALVATOR_X
 	bool "Salvator-X board"
 	help
@@ -51,6 +56,7 @@ config SYS_SOC
 
 source "board/renesas/draak/Kconfig"
 source "board/renesas/eagle/Kconfig"
+source "board/renesas/ebisu/Kconfig"
 source "board/renesas/salvator-x/Kconfig"
 source "board/renesas/ulcb/Kconfig"
 
diff --git a/board/renesas/ebisu/Kconfig b/board/renesas/ebisu/Kconfig
new file mode 100644
index 0000000000..f500a94c9a
--- /dev/null
+++ b/board/renesas/ebisu/Kconfig
@@ -0,0 +1,15 @@
+if TARGET_EBISU
+
+config SYS_SOC
+	default "rmobile"
+
+config SYS_BOARD
+	default "ebisu"
+
+config SYS_VENDOR
+	default "renesas"
+
+config SYS_CONFIG_NAME
+	default "ebisu"
+
+endif
diff --git a/board/renesas/ebisu/MAINTAINERS b/board/renesas/ebisu/MAINTAINERS
new file mode 100644
index 0000000000..facad520ca
--- /dev/null
+++ b/board/renesas/ebisu/MAINTAINERS
@@ -0,0 +1,6 @@
+EBISU BOARD
+M:	Marek Vasut <marek.vasut+renesas@gmail.com>
+S:	Maintained
+F:	board/renesas/ebisu/
+F:	include/configs/ebisu.h
+F:	configs/r8a77990_ebisu_defconfig
diff --git a/board/renesas/ebisu/Makefile b/board/renesas/ebisu/Makefile
new file mode 100644
index 0000000000..2741035c57
--- /dev/null
+++ b/board/renesas/ebisu/Makefile
@@ -0,0 +1,9 @@
+#
+# board/renesas/ebisu/Makefile
+#
+# Copyright (C) 2018 Renesas Electronics Corporation
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+obj-y	:= ebisu.o
diff --git a/board/renesas/ebisu/ebisu.c b/board/renesas/ebisu/ebisu.c
new file mode 100644
index 0000000000..92062141a2
--- /dev/null
+++ b/board/renesas/ebisu/ebisu.c
@@ -0,0 +1,87 @@
+/*
+ * board/renesas/ebisu/ebisu.c
+ *     This file is Ebisu board support.
+ *
+ * Copyright (C) 2018 Marek Vasut <marek.vasut+renesas@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <malloc.h>
+#include <netdev.h>
+#include <dm.h>
+#include <dm/platform_data/serial_sh.h>
+#include <asm/processor.h>
+#include <asm/mach-types.h>
+#include <asm/io.h>
+#include <linux/errno.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/gpio.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/rmobile.h>
+#include <asm/arch/rcar-mstp.h>
+#include <asm/arch/sh_sdhi.h>
+#include <i2c.h>
+#include <mmc.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void s_init(void)
+{
+}
+
+#define TMU0_MSTP125		BIT(25)	/* secure */
+
+int board_early_init_f(void)
+{
+	/* TMU0 */
+	mstp_clrbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125);
+
+	return 0;
+}
+
+int board_init(void)
+{
+	/* adress of boot parameters */
+	gd->bd->bi_boot_params = CONFIG_SYS_TEXT_BASE + 0x50000;
+
+	return 0;
+}
+
+int dram_init(void)
+{
+	if (fdtdec_setup_memory_size() != 0)
+		return -EINVAL;
+
+	return 0;
+}
+
+int dram_init_banksize(void)
+{
+	fdtdec_setup_memory_banksize();
+
+	return 0;
+}
+
+#define RST_BASE	0xE6160000
+#define RST_CA57RESCNT	(RST_BASE + 0x40)
+#define RST_CA53RESCNT	(RST_BASE + 0x44)
+#define RST_RSTOUTCR	(RST_BASE + 0x58)
+#define RST_CA57_CODE	0xA5A5000F
+#define RST_CA53_CODE	0x5A5A000F
+
+void reset_cpu(ulong addr)
+{
+	unsigned long midr, cputype;
+
+	asm volatile("mrs %0, midr_el1" : "=r" (midr));
+	cputype = (midr >> 4) & 0xfff;
+
+	if (cputype == 0xd03)
+		writel(RST_CA53_CODE, RST_CA53RESCNT);
+	else if (cputype == 0xd07)
+		writel(RST_CA57_CODE, RST_CA57RESCNT);
+	else
+		hang();
+}
diff --git a/configs/r8a77990_ebisu_defconfig b/configs/r8a77990_ebisu_defconfig
new file mode 100644
index 0000000000..591eafed3b
--- /dev/null
+++ b/configs/r8a77990_ebisu_defconfig
@@ -0,0 +1,64 @@
+CONFIG_ARM=y
+CONFIG_ARCH_RMOBILE=y
+CONFIG_SYS_TEXT_BASE=0x50000000
+CONFIG_SYS_MALLOC_F_LEN=0x2000
+CONFIG_RCAR_GEN3=y
+CONFIG_R8A77990=y
+CONFIG_TARGET_EBISU=y
+CONFIG_DEFAULT_DEVICE_TREE="r8a77990-ebisu-u-boot"
+CONFIG_SMBIOS_PRODUCT_NAME=""
+CONFIG_FIT=y
+# CONFIG_ARCH_FIXUP_FDT_MEMORY is not set
+CONFIG_USE_BOOTARGS=y
+CONFIG_BOOTARGS="console=ttySC0,115200"
+CONFIG_SUPPORT_RAW_INITRD=y
+CONFIG_DEFAULT_FDT_FILE="r8a77990-ebisu.dtb"
+CONFIG_VERSION_VARIABLE=y
+CONFIG_HUSH_PARSER=y
+CONFIG_CMD_BOOTZ=y
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_I2C=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_USB=y
+CONFIG_CMD_DHCP=y
+CONFIG_CMD_MII=y
+CONFIG_CMD_PING=y
+CONFIG_CMD_EXT2=y
+CONFIG_CMD_EXT4=y
+CONFIG_CMD_EXT4_WRITE=y
+CONFIG_CMD_FAT=y
+CONFIG_CMD_FS_GENERIC=y
+CONFIG_OF_CONTROL=y
+CONFIG_ENV_IS_IN_MMC=y
+CONFIG_REGMAP=y
+CONFIG_SYSCON=y
+CONFIG_CLK=y
+CONFIG_CLK_RENESAS=y
+CONFIG_DM_GPIO=y
+CONFIG_RCAR_GPIO=y
+CONFIG_DM_I2C=y
+CONFIG_SYS_I2C_RCAR_IIC=y
+CONFIG_DM_MMC=y
+CONFIG_MMC_IO_VOLTAGE=y
+CONFIG_MMC_UHS_SUPPORT=y
+CONFIG_MMC_HS200_SUPPORT=y
+CONFIG_RENESAS_SDHI=y
+CONFIG_PHY_MICREL=y
+CONFIG_PHY_MICREL_KSZ90X1=y
+CONFIG_DM_ETH=y
+CONFIG_RENESAS_RAVB=y
+CONFIG_PINCTRL=y
+CONFIG_PINCONF=y
+CONFIG_PINCTRL_PFC=y
+CONFIG_DM_REGULATOR=y
+CONFIG_DM_REGULATOR_FIXED=y
+CONFIG_DM_REGULATOR_GPIO=y
+CONFIG_SCIF_CONSOLE=y
+CONFIG_USB=y
+CONFIG_DM_USB=y
+CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_EHCI_GENERIC=y
+CONFIG_USB_STORAGE=y
+CONFIG_OF_LIBFDT_OVERLAY=y
+CONFIG_SMBIOS_MANUFACTURER=""
diff --git a/include/configs/ebisu.h b/include/configs/ebisu.h
new file mode 100644
index 0000000000..2d2dddb8cb
--- /dev/null
+++ b/include/configs/ebisu.h
@@ -0,0 +1,34 @@
+/*
+ * include/configs/ebisu.h
+ *     This file is Ebisu board configuration.
+ *
+ * Copyright (C) 2018 Renesas Electronics Corporation
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __EBISU_H
+#define __EBISU_H
+
+#undef DEBUG
+
+#include "rcar-gen3-common.h"
+
+/* Ethernet RAVB */
+#define CONFIG_NET_MULTI
+#define CONFIG_BITBANGMII
+#define CONFIG_BITBANGMII_MULTI
+
+/* Board Clock */
+/* XTAL_CLK : 33.33MHz */
+#define CONFIG_SYS_CLK_FREQ	48000000u
+
+/* Generic Timer Definitions (use in assembler source) */
+#define COUNTER_FREQUENCY	0xFE502A	/* 16.66MHz from CPclk */
+
+/* Environment in eMMC, at the end of 2nd "boot sector" */
+#define CONFIG_ENV_OFFSET		(-CONFIG_ENV_SIZE)
+#define CONFIG_SYS_MMC_ENV_DEV		2
+#define CONFIG_SYS_MMC_ENV_PART		2
+
+#endif /* __EBISU_H */