arm: armada-xp: Add basic support for the Marvell DB-MV784MP-GP board

This patch adds basic support for the Marvell DB-MV784MP-GP evaulation
board. This is the first board that uses the recently created
Armada XP 78460 SoC support.

Signed-off-by: Stefan Roese <sr@denx.de>
Tested-by: Luka Perkov <luka@openwrt.org>

arch/arm/Kconfig

@@ -141,6 +141,9 @@ config ARCH_DAVINCI
 config KIRKWOOD
 	bool "Marvell Kirkwood"
 
+config TARGET_DB_MV784MP_GP
+	bool "Support db-mv784mp-gp"
+
 config TARGET_DEVKIT3250
 	bool "Support devkit3250"
 
@@ -567,6 +570,7 @@ source "board/BuS/eb_cpux9k2/Kconfig"
 source "board/BuS/vl_ma2sc/Kconfig"
 source "board/CarMediaLab/flea3/Kconfig"
 source "board/Marvell/aspenite/Kconfig"
+source "board/Marvell/db-mv784mp-gp/Kconfig"
 source "board/Marvell/dkb/Kconfig"
 source "board/Marvell/gplugd/Kconfig"
 source "board/afeb9260/Kconfig"

board/Marvell/db-mv784mp-gp/Kconfig

+if TARGET_DB_MV784MP_GP
+
+config SYS_CPU
+	string
+	default "armv7"
+
+config SYS_BOARD
+	string
+	default "db-mv784mp-gp"
+
+config SYS_VENDOR
+	string
+	default "Marvell"
+
+config SYS_SOC
+	string
+	default "armada-xp"
+
+config SYS_CONFIG_NAME
+	string
+	default "db-mv784mp-gp"
+
+endif

board/Marvell/db-mv784mp-gp/MAINTAINERS

+DB_MV784MP_GP BOARD
+M:	Stefan Roese <sr@denx.de>
+S:	Maintained
+F:	board/Marvell/db-mv784mp-gp/
+F:	include/configs/db-mv784mp-gp.h
+F:	configs/db-mv784mp-gp_defconfig

board/Marvell/db-mv784mp-gp/Makefile

+#
+# Copyright (C) 2014 Stefan Roese <sr@denx.de>
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y	:= db-mv784mp-gp.o

board/Marvell/db-mv784mp-gp/db-mv784mp-gp.c

+/*
+ * Copyright (C) 2014 Stefan Roese <sr@denx.de>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <miiphy.h>
+#include <asm/io.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/soc.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define BIT(nr)				(1UL << (nr))
+
+#define ETH_PHY_CTRL_REG		0
+#define ETH_PHY_CTRL_POWER_DOWN_BIT	11
+#define ETH_PHY_CTRL_POWER_DOWN_MASK	(1 << ETH_PHY_CTRL_POWER_DOWN_BIT)
+
+/*
+ * Those values and defines are taken from the Marvell U-Boot version
+ * "u-boot-2011.12-2014_T1.0" for the board rd78460gp aka
+ * "RD-AXP-GP rev 1.0".
+ *
+ * GPPs
+ * MPP#		NAME			IN/OUT
+ * ----------------------------------------------
+ * 21		SW_Reset_		OUT
+ * 25		Phy_Int#		IN
+ * 28		SDI_WP			IN
+ * 29		SDI_Status		IN
+ * 54-61	On GPP Connector	?
+ * 62		Switch Interrupt	IN
+ * 63-65	Reserved from SW Board	?
+ * 66		SW_BRD connected	IN
+ */
+#define RD_78460_GP_GPP_OUT_ENA_LOW	(~(BIT(21) | BIT(20)))
+#define RD_78460_GP_GPP_OUT_ENA_MID	(~(BIT(26) | BIT(27)))
+#define RD_78460_GP_GPP_OUT_ENA_HIGH	(~(0x0))
+
+#define RD_78460_GP_GPP_OUT_VAL_LOW	(BIT(21) | BIT(20))
+#define RD_78460_GP_GPP_OUT_VAL_MID	(BIT(26) | BIT(27))
+#define RD_78460_GP_GPP_OUT_VAL_HIGH	0x0
+
+int board_early_init_f(void)
+{
+	/* Configure MPP */
+	writel(0x00000000, MVEBU_MPP_BASE + 0x00);
+	writel(0x00000000, MVEBU_MPP_BASE + 0x04);
+	writel(0x33000000, MVEBU_MPP_BASE + 0x08);
+	writel(0x11000000, MVEBU_MPP_BASE + 0x0c);
+	writel(0x11111111, MVEBU_MPP_BASE + 0x10);
+	writel(0x00221100, MVEBU_MPP_BASE + 0x14);
+	writel(0x00000003, MVEBU_MPP_BASE + 0x18);
+	writel(0x00000000, MVEBU_MPP_BASE + 0x1c);
+	writel(0x00000000, MVEBU_MPP_BASE + 0x20);
+
+	/* Configure GPIO */
+	writel(RD_78460_GP_GPP_OUT_VAL_LOW, MVEBU_GPIO0_BASE + 0x00);
+	writel(RD_78460_GP_GPP_OUT_ENA_LOW, MVEBU_GPIO0_BASE + 0x04);
+	writel(RD_78460_GP_GPP_OUT_VAL_MID, MVEBU_GPIO1_BASE + 0x00);
+	writel(RD_78460_GP_GPP_OUT_ENA_MID, MVEBU_GPIO1_BASE + 0x04);
+	writel(RD_78460_GP_GPP_OUT_VAL_HIGH, MVEBU_GPIO2_BASE + 0x00);
+	writel(RD_78460_GP_GPP_OUT_ENA_HIGH, MVEBU_GPIO2_BASE + 0x04);
+
+	return 0;
+}
+
+int board_init(void)
+{
+	/* adress of boot parameters */
+	gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
+
+	return 0;
+}
+
+int checkboard(void)
+{
+	puts("Board: Marvell DB-MV784MP-GP\n");
+
+	return 0;
+}
+
+#ifdef CONFIG_RESET_PHY_R
+/* Configure and enable MV88E1545 PHY */
+void reset_phy(void)
+{
+	u16 devadr = CONFIG_PHY_BASE_ADDR;
+	char *name = "neta0";
+	u16 reg;
+
+	if (miiphy_set_current_dev(name))
+		return;
+
+	/* Enable QSGMII AN */
+	/* Set page to 4 */
+	miiphy_write(name, devadr, 0x16, 4);
+	/* Enable AN */
+	miiphy_write(name, devadr, 0x0, 0x1140);
+	/* Set page to 0 */
+	miiphy_write(name, devadr, 0x16, 0);
+
+	/* Phy C_ANEG */
+	miiphy_read(name, devadr, 0x4, &reg);
+	reg |= 0x1E0;
+	miiphy_write(name, devadr, 0x4, reg);
+
+	/* Soft-Reset */
+	miiphy_write(name, devadr, 22, 0x0000);
+	miiphy_write(name, devadr, 0, 0x9140);
+
+	/* Power up the phy */
+	miiphy_read(name, devadr, ETH_PHY_CTRL_REG, &reg);
+	reg &= ~(ETH_PHY_CTRL_POWER_DOWN_MASK);
+	miiphy_write(name, devadr, ETH_PHY_CTRL_REG, reg);
+
+	printf("88E1545 Initialized on %s\n", name);
+}
+#endif /* CONFIG_RESET_PHY_R */

board/Marvell/db-mv784mp-gp/kwbimage.cfg

+#
+# Copyright (C) 2014 Stefan Roese <sr@denx.de>
+#
+
+# Armada XP uses version 1 image format
+VERSION		1
+
+# Boot Media configurations
+BOOT_FROM	spi
+
+# Binary Header (bin_hdr) with DDR3 training code
+BINARY board/Marvell/db-mv784mp-gp/binary.0 0000005b 00000068

configs/db-mv784mp-gp_defconfig

+CONFIG_ARM=y
+CONFIG_TARGET_DB_MV784MP_GP=y

include/configs/db-mv784mp-gp.h

+/*
+ * Copyright (C) 2014 Stefan Roese <sr@denx.de>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef _CONFIG_DB_MV7846MP_GP_H
+#define _CONFIG_DB_MV7846MP_GP_H
+
+/*
+ * High Level Configuration Options (easy to change)
+ */
+#define CONFIG_ARMADA_XP		/* SOC Family Name */
+#define CONFIG_SKIP_LOWLEVEL_INIT	/* disable board lowlevel_init */
+#define CONFIG_SYS_GENERIC_BOARD
+#define CONFIG_DISPLAY_BOARDINFO_LATE
+
+#define	CONFIG_SYS_TEXT_BASE	0x04000000
+#define CONFIG_SYS_TCLK		250000000	/* 250MHz */
+
+/*
+ * Commands configuration
+ */
+#define CONFIG_SYS_NO_FLASH		/* Declare no flash (NOR/SPI) */
+#include <config_cmd_default.h>
+#define CONFIG_CMD_DHCP
+#define CONFIG_CMD_ENV
+#define CONFIG_CMD_I2C
+#define CONFIG_CMD_PING
+#define CONFIG_CMD_SF
+#define CONFIG_CMD_SPI
+#define CONFIG_CMD_TFTPPUT
+#define CONFIG_CMD_TIME
+
+/* I2C */
+#define CONFIG_SYS_I2C
+#define CONFIG_SYS_I2C_MVTWSI
+#define CONFIG_I2C_MVTWSI_BASE		MVEBU_TWSI_BASE
+#define CONFIG_SYS_I2C_SLAVE		0x0
+#define CONFIG_SYS_I2C_SPEED		100000
+
+/* SPI NOR flash default params, used by sf commands */
+#define CONFIG_SF_DEFAULT_SPEED		1000000
+#define CONFIG_SF_DEFAULT_MODE		SPI_MODE_3
+#define CONFIG_SPI_FLASH_STMICRO
+
+/* Environment in SPI NOR flash */
+#define CONFIG_ENV_IS_IN_SPI_FLASH
+#define CONFIG_ENV_OFFSET		(1 << 20) /* 1MiB in */
+#define CONFIG_ENV_SIZE			(64 << 10) /* 64KiB */
+#define CONFIG_ENV_SECT_SIZE		(64 << 10) /* 64KiB sectors */
+
+#define CONFIG_PHY_MARVELL		/* there is a marvell phy */
+#define CONFIG_PHY_BASE_ADDR	0x10
+#define CONFIG_SYS_NETA_INTERFACE_TYPE	PHY_INTERFACE_MODE_QSGMII
+#define PHY_ANEG_TIMEOUT	8000	/* PHY needs a longer aneg time */
+#define CONFIG_RESET_PHY_R
+
+#define CONFIG_SYS_CONSOLE_INFO_QUIET	/* don't print console @ startup */
+#define CONFIG_SYS_ALT_MEMTEST
+
+/*
+ * mv-common.h should be defined after CMD configs since it used them
+ * to enable certain macros
+ */
+#include "mv-common.h"
+
+#endif /* _CONFIG_DB_MV7846MP_GP_H */