[PATCH] ARM: atmel: add sama5d3_xplained support

[Bo Shen <voice.shen@gmail.com>]

Signed-off-by: Bo Shen <voice.shen@gmail.com>
---
 arch/arm/boards/Makefile                    |    1 +
 arch/arm/boards/sama5d3_xplained/Makefile   |    1 +
 arch/arm/boards/sama5d3_xplained/env/config |   42 +++++
 arch/arm/boards/sama5d3_xplained/init.c     |  238 +++++++++++++++++++++++++++
 arch/arm/configs/sama5d3_xplained_defconfig |   82 +++++++++
 arch/arm/mach-at91/Kconfig                  |    5 +
 6 files changed, 369 insertions(+)
 create mode 100644 arch/arm/boards/sama5d3_xplained/Makefile
 create mode 100644 arch/arm/boards/sama5d3_xplained/env/config
 create mode 100644 arch/arm/boards/sama5d3_xplained/init.c
 create mode 100644 arch/arm/configs/sama5d3_xplained_defconfig

diff --git a/arch/arm/boards/Makefile b/arch/arm/boards/Makefile
index ae01b29..15d20be 100644
--- a/arch/arm/boards/Makefile
+++ b/arch/arm/boards/Makefile
@@ -82,6 +82,7 @@ obj-$(CONFIG_MACH_RPI)				+= raspberry-pi/
 obj-$(CONFIG_MACH_SABRELITE)			+= freescale-mx6-sabrelite/
 obj-$(CONFIG_MACH_SABRESD)			+= freescale-mx6-sabresd/
 obj-$(CONFIG_MACH_SAMA5D3XEK)			+= sama5d3xek/
+obj-$(CONFIG_MACH_SAMA5D3_XPLAINED)		+= sama5d3_xplained/
 obj-$(CONFIG_MACH_SCB9328)			+= scb9328/
 obj-$(CONFIG_MACH_SOCFPGA_EBV_SOCRATES)		+= ebv-socrates/
 obj-$(CONFIG_MACH_SOCFPGA_TERASIC_SOCKIT)	+= terasic-sockit/
diff --git a/arch/arm/boards/sama5d3_xplained/Makefile b/arch/arm/boards/sama5d3_xplained/Makefile
new file mode 100644
index 0000000..eb072c0
--- /dev/null
+++ b/arch/arm/boards/sama5d3_xplained/Makefile
@@ -0,0 +1 @@
+obj-y += init.o
diff --git a/arch/arm/boards/sama5d3_xplained/env/config b/arch/arm/boards/sama5d3_xplained/env/config
new file mode 100644
index 0000000..5464f64
--- /dev/null
+++ b/arch/arm/boards/sama5d3_xplained/env/config
@@ -0,0 +1,42 @@
+#!/bin/sh
+
+# use 'dhcp' to do dhcp in barebox and in kernel
+# use 'none' if you want to skip kernel ip autoconfiguration
+ip=dhcp-barebox
+
+# or set your networking parameters here
+#eth0.ipaddr=a.b.c.d
+#eth0.netmask=a.b.c.d
+#eth0.gateway=a.b.c.d
+#eth0.serverip=a.b.c.d
+
+# can be either 'nfs', 'tftp', 'nor' or 'nand'
+kernel_loc=nfs
+# can be either 'net', 'nor', 'nand' or 'initrd'
+rootfs_loc=net
+# can be either 'nfs', 'tftp', 'nand' or empty
+oftree_loc=nfs
+
+# can be either 'jffs2' or 'ubifs'
+rootfs_type=ubifs
+rootfsimage=root.$rootfs_type
+ubiroot=rootfs
+
+# The image type of the kernel. Can be uimage, zimage, raw, or raw_lzo
+kernelimage=zImage
+#kernelimage=uImage
+#kernelimage=Image
+#kernelimage=Image.lzo
+
+nand_device=atmel_nand
+nand_parts="256k(at91bootstrap),384k(barebox)ro,256k@768k(bareboxenv),256k(bareboxenv2),128k@1536k(oftree),5M@2M(kernel),-@8M(rootfs)"
+rootfs_mtdblock_nand=6
+
+m25p80_parts="64k(bootstrap),384k(barebox),256k(bareboxenv),256k(bareboxenv2),128k(oftree),-(updater)"
+
+autoboot_timeout=3
+
+bootargs="console=ttyS0,115200"
+
+# set a fancy prompt (if support is compiled in)
+PS1="\e[1;32mbarebox@\e[1;31m\h:\w\e[0m\n# "
diff --git a/arch/arm/boards/sama5d3_xplained/init.c b/arch/arm/boards/sama5d3_xplained/init.c
new file mode 100644
index 0000000..ae18863
--- /dev/null
+++ b/arch/arm/boards/sama5d3_xplained/init.c
@@ -0,0 +1,238 @@
+/*
+ * Copyright (C) 2014 Bo Shen <voice.shen@gmail.com>
+ *
+ * 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.
+ */
+
+#include <common.h>
+#include <net.h>
+#include <init.h>
+#include <environment.h>
+#include <asm/armlinux.h>
+#include <generated/mach-types.h>
+#include <partition.h>
+#include <fs.h>
+#include <fcntl.h>
+#include <io.h>
+#include <mach/hardware.h>
+#include <nand.h>
+#include <sizes.h>
+#include <linux/mtd/nand.h>
+#include <mach/board.h>
+#include <mach/at91sam9_smc.h>
+#include <gpio.h>
+#include <mach/io.h>
+#include <mach/iomux.h>
+#include <mach/at91_pmc.h>
+#include <mach/at91_rstc.h>
+#include <mach/at91sam9x5_matrix.h>
+#include <readkey.h>
+#include <poller.h>
+#include <linux/clk.h>
+#include <linux/phy.h>
+#include <linux/micrel_phy.h>
+
+#if defined(CONFIG_NAND_ATMEL)
+static struct atmel_nand_data nand_pdata = {
+	.ale		= 21,
+	.cle		= 22,
+	.det_pin	= -EINVAL,
+	.rdy_pin	= -EINVAL,
+	.enable_pin	= -EINVAL,
+	.ecc_mode	= NAND_ECC_HW,
+	.pmecc_sector_size = 512,
+	.pmecc_corr_cap = 4,
+#if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
+	.bus_width_16	= 1,
+#endif
+	.on_flash_bbt	= 1,
+};
+
+static struct sam9_smc_config sama5d3_xplained_nand_smc_config = {
+	.ncs_read_setup		= 0,
+	.nrd_setup		= 1,
+	.ncs_write_setup	= 0,
+	.nwe_setup		= 1,
+
+	.ncs_read_pulse		= 6,
+	.nrd_pulse		= 4,
+	.ncs_write_pulse	= 5,
+	.nwe_pulse		= 3,
+
+	.read_cycle		= 6,
+	.write_cycle		= 5,
+
+	.mode			= AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
+	.tdf_cycles		= 1,
+};
+
+static void ek_add_device_nand(void)
+{
+	struct clk *clk = clk_get(NULL, "smc_clk");
+
+	clk_enable(clk);
+
+	/* setup bus-width (8 or 16) */
+	if (nand_pdata.bus_width_16)
+		sama5d3_xplained_nand_smc_config.mode |= AT91_SMC_DBW_16;
+	else
+		sama5d3_xplained_nand_smc_config.mode |= AT91_SMC_DBW_8;
+
+	/* configure chip-select 3 (NAND) */
+	sam9_smc_configure(0, 3, &sama5d3_xplained_nand_smc_config);
+
+	at91_add_device_nand(&nand_pdata);
+}
+#else
+static void ek_add_device_nand(void) {}
+#endif
+
+#if defined(CONFIG_DRIVER_NET_MACB)
+static struct macb_platform_data gmac_pdata = {
+	.phy_interface = PHY_INTERFACE_MODE_RGMII,
+	.phy_addr = 7,
+};
+
+static struct macb_platform_data macb_pdata = {
+	.phy_interface = PHY_INTERFACE_MODE_RMII,
+	.phy_addr = 0,
+};
+
+static void ek_add_device_eth(void)
+{
+	at91_add_device_eth(0, &gmac_pdata);
+	at91_add_device_eth(1, &macb_pdata);
+}
+#else
+static void ek_add_device_eth(void) {}
+#endif
+
+#if defined(CONFIG_MCI_ATMEL)
+/*
+ * MCI (SD/MMC)
+ */
+static struct atmel_mci_platform_data mci0_data = {
+	.bus_width	= 8,
+	.detect_pin	= AT91_PIN_PE0,
+	.wp_pin		= -EINVAL,
+};
+
+static void ek_add_device_mci(void)
+{
+	/* MMC0 */
+	at91_add_device_mci(0, &mci0_data);
+}
+#else
+static void ek_add_device_mci(void) {}
+#endif
+
+#ifdef CONFIG_LED_GPIO
+struct gpio_led leds[] = {
+	{
+		.gpio	= AT91_PIN_PE23,
+		.active_low	= 1,
+		.led	= {
+			.name = "d2",
+		},
+	}, {
+		.gpio	= AT91_PIN_PE24,
+		.active_low	= 1,
+		.led	= {
+			.name = "d3",
+		},
+	},
+};
+
+static void ek_add_led(void)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(leds); i++) {
+		at91_set_gpio_output(leds[i].gpio, leds[i].active_low);
+		led_gpio_register(&leds[i]);
+	}
+	led_set_trigger(LED_TRIGGER_HEARTBEAT, &leds[0].led);
+}
+#else
+static void ek_add_led(void) {}
+#endif
+
+static int sama5d3_xplained_mem_init(void)
+{
+	at91_add_device_sdram(0);
+
+	return 0;
+}
+mem_initcall(sama5d3_xplained_mem_init);
+
+static const struct devfs_partition sama5d3_xplained_nand0_partitions[] = {
+	{
+		.offset = 0x00000,
+		.size = SZ_256K,
+		.flags = DEVFS_PARTITION_FIXED,
+		.name = "at91bootstrap_raw",
+		.bbname = "at91bootstrap",
+	}, {
+		.offset = DEVFS_PARTITION_APPEND, /* 256 KiB */
+		.size = SZ_256K + SZ_128K,
+		.flags = DEVFS_PARTITION_FIXED,
+		.name = "self_raw",
+		.bbname = "self0",
+	},
+	/* hole of 128 KiB */
+	{
+		.offset = SZ_512K + SZ_256K,
+		.size = SZ_256K,
+		.flags = DEVFS_PARTITION_FIXED,
+		.name = "env_raw",
+		.bbname = "env0",
+	}, {
+		.offset = DEVFS_PARTITION_APPEND, /* 1 MiB */
+		.size = SZ_256K,
+		.flags = DEVFS_PARTITION_FIXED,
+		.name = "env_raw1",
+		.bbname = "env1",
+	}, {
+		/* sentinel */
+	}
+};
+
+static int sama5d3_xplained_devices_init(void)
+{
+	ek_add_device_nand();
+	ek_add_led();
+	ek_add_device_eth();
+	ek_add_device_mci();
+
+	devfs_create_partitions("nand0", sama5d3_xplained_nand0_partitions);
+
+	return 0;
+}
+device_initcall(sama5d3_xplained_devices_init);
+
+static int sama5d3_xplained_console_init(void)
+{
+	barebox_set_model("Atmel sama5d3_xplained");
+	barebox_set_hostname("sama5d3_xplained");
+
+	at91_register_uart(0, 0);
+
+	return 0;
+}
+console_initcall(sama5d3_xplained_console_init);
+
+static int sama5d3_xplained_main_clock(void)
+{
+	at91_set_main_clock(12000000);
+
+	return 0;
+}
+pure_initcall(sama5d3_xplained_main_clock);
diff --git a/arch/arm/configs/sama5d3_xplained_defconfig b/arch/arm/configs/sama5d3_xplained_defconfig
new file mode 100644
index 0000000..8b02147
--- /dev/null
+++ b/arch/arm/configs/sama5d3_xplained_defconfig
@@ -0,0 +1,82 @@
+CONFIG_ARCH_SAMA5D3=y
+CONFIG_MACH_SAMA5D3_XPLAINED=y
+CONFIG_BAREBOX_MAX_IMAGE_SIZE=0x60000
+CONFIG_AEABI=y
+# CONFIG_CMD_ARM_CPUINFO is not set
+CONFIG_ARM_OPTIMZED_STRING_FUNCTIONS=y
+CONFIG_PBL_IMAGE=y
+CONFIG_MMU=y
+CONFIG_TEXT_BASE=0x26f00000
+CONFIG_MALLOC_SIZE=0xA00000
+CONFIG_EXPERIMENTAL=y
+CONFIG_MALLOC_TLSF=y
+CONFIG_PROMPT="A5D3_XPLD:"
+CONFIG_LONGHELP=y
+CONFIG_GLOB=y
+CONFIG_PROMPT_HUSH_PS2="y"
+CONFIG_HUSH_FANCY_PROMPT=y
+CONFIG_CMDLINE_EDITING=y
+CONFIG_AUTO_COMPLETE=y
+CONFIG_CONSOLE_ACTIVATE_ALL=y
+CONFIG_DEFAULT_ENVIRONMENT_GENERIC=y
+CONFIG_DEFAULT_ENVIRONMENT_PATH="arch/arm/boards/sama5d3_xplained/env"
+CONFIG_CMD_EDIT=y
+CONFIG_CMD_SLEEP=y
+CONFIG_CMD_SAVEENV=y
+CONFIG_CMD_EXPORT=y
+CONFIG_CMD_PRINTENV=y
+CONFIG_CMD_READLINE=y
+CONFIG_CMD_TFTP=y
+CONFIG_CMD_FILETYPE=y
+CONFIG_CMD_ECHO_E=y
+CONFIG_CMD_LOADB=y
+CONFIG_CMD_MEMINFO=y
+CONFIG_CMD_FLASH=y
+CONFIG_CMD_BOOTM_SHOW_TYPE=y
+CONFIG_CMD_BOOTM_VERBOSE=y
+CONFIG_CMD_BOOTM_INITRD=y
+CONFIG_CMD_BOOTM_OFTREE=y
+CONFIG_CMD_BOOTM_OFTREE_UIMAGE=y
+CONFIG_CMD_UIMAGE=y
+# CONFIG_CMD_BOOTU is not set
+CONFIG_CMD_RESET=y
+CONFIG_CMD_GO=y
+CONFIG_CMD_OFTREE=y
+CONFIG_CMD_SPLASH=y
+CONFIG_CMD_TIMEOUT=y
+CONFIG_CMD_PARTITION=y
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_I2C=y
+CONFIG_CMD_LED=y
+CONFIG_CMD_LED_TRIGGER=y
+CONFIG_CMD_MIITOOL=y
+CONFIG_NET=y
+CONFIG_NET_DHCP=y
+CONFIG_NET_NFS=y
+CONFIG_NET_PING=y
+CONFIG_NET_NETCONSOLE=y
+CONFIG_DRIVER_NET_MACB=y
+CONFIG_MICREL_PHY=y
+# CONFIG_SPI is not set
+CONFIG_I2C=y
+CONFIG_MTD=y
+# CONFIG_MTD_OOB_DEVICE is not set
+CONFIG_NAND=y
+# CONFIG_NAND_ECC_SOFT is not set
+# CONFIG_NAND_ECC_HW_SYNDROME is not set
+# CONFIG_NAND_ECC_HW_NONE is not set
+CONFIG_NAND_ATMEL=y
+CONFIG_NAND_ATMEL_PMECC=y
+CONFIG_VIDEO=y
+CONFIG_MCI=y
+CONFIG_MCI_STARTUP=y
+CONFIG_MCI_ATMEL=y
+CONFIG_LED=y
+CONFIG_LED_GPIO=y
+CONFIG_LED_TRIGGERS=y
+CONFIG_FS_EXT4=y
+CONFIG_FS_TFTP=y
+CONFIG_FS_FAT=y
+CONFIG_FS_FAT_WRITE=y
+CONFIG_FS_FAT_LFN=y
+CONFIG_PNG=y
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index e3eeb2c..bb44cb5 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -461,6 +461,11 @@ config MACH_SAMA5D3XEK
 	help
 	  Select this if you are using Atmel's SAMA5D3X-EK Evaluation Kit.
 
+config MACH_SAMA5D3_XPLAINED
+	bool "Atmel SAMA5D3_XPLAINED Evaluation Kit"
+	help
+	  Select this if you are using Atmel's SAMA5D3_XPLAINED Evaluation Kit.
+
 endchoice
 
 endif
-- 
1.7.10.4


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