ARM: at91: Add Telit EVK-PRO3 board support

http://www.telit.com

Based on at91sam9260ek board support.

Signed-off-by: Fabio Porcedda <fabio.porcedda@gmail.com>
Cc: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

7 files changed, 252 insertions, 0 deletions

diff --git a/arch/arm/boards/telit-evk-pro3/Makefile b/arch/arm/boards/telit-evk-pro3/Makefile
new file mode 100644
index 0000000000..eb072c0161
--- /dev/null
+++ b/arch/arm/boards/telit-evk-pro3/Makefile
@@ -0,0 +1 @@
+obj-y += init.o
diff --git a/arch/arm/boards/telit-evk-pro3/config.h b/arch/arm/boards/telit-evk-pro3/config.h
new file mode 100644
index 0000000000..7aeff30e8c
--- /dev/null
+++ b/arch/arm/boards/telit-evk-pro3/config.h
@@ -0,0 +1,6 @@
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#define AT91_MAIN_CLOCK		6000000		/*  6.000 MHz crystal */
+
+#endif	/* __CONFIG_H */
diff --git a/arch/arm/boards/telit-evk-pro3/env/boot/nand-ubi b/arch/arm/boards/telit-evk-pro3/env/boot/nand-ubi
new file mode 100644
index 0000000000..1987492df7
--- /dev/null
+++ b/arch/arm/boards/telit-evk-pro3/env/boot/nand-ubi
@@ -0,0 +1,10 @@
+#!/bin/sh
+
+if [ "$1" = menu ]; then
+	boot-menu-add-entry "$0" "nand (UBI)"
+	exit
+fi
+
+global.bootm.image="/dev/nand0.kernel.bb"
+#global.bootm.oftree="/env/oftree"
+global.linux.bootargs.dyn.root="root=ubi0:rootfs ubi.mtd=nand0.rootfs rootfstype=ubifs"
diff --git a/arch/arm/boards/telit-evk-pro3/env/init/config-board b/arch/arm/boards/telit-evk-pro3/env/init/config-board
new file mode 100644
index 0000000000..741b90213f
--- /dev/null
+++ b/arch/arm/boards/telit-evk-pro3/env/init/config-board
@@ -0,0 +1,8 @@
+#!/bin/sh
+
+# board defaults, do not change in running system. Change /env/config
+# instead
+
+global.hostname=evk-pro3
+global.linux.bootargs.base="console=ttyS0,115200"
+global.boot.default=nand-ubi
diff --git a/arch/arm/boards/telit-evk-pro3/env/init/mtdparts-nand b/arch/arm/boards/telit-evk-pro3/env/init/mtdparts-nand
new file mode 100644
index 0000000000..58e859bb96
--- /dev/null
+++ b/arch/arm/boards/telit-evk-pro3/env/init/mtdparts-nand
@@ -0,0 +1,11 @@
+#!/bin/sh
+
+if [ "$1" = menu ]; then
+	init-menu-add-entry "$0" "NAND partitions"
+	exit
+fi
+
+mtdparts="0xC0000(nand0.bootstrap),256k(nand0.barebox)ro,128k(nand0.bareboxenv),3M(nand0.kernel),-(nand0.rootfs)"
+kernelname="atmel_nand"
+
+mtdparts-add -b -d nand0 -k ${kernelname} -p ${mtdparts}
diff --git a/arch/arm/boards/telit-evk-pro3/env/init/usb b/arch/arm/boards/telit-evk-pro3/env/init/usb
new file mode 100644
index 0000000000..47429f50a4
--- /dev/null
+++ b/arch/arm/boards/telit-evk-pro3/env/init/usb
@@ -0,0 +1,40 @@
+#!/bin/sh
+
+# Connect PC31 to GND to enable DFU
+gpio_dfu=95
+gpio_name="PC31"
+gpio_wait=5
+
+product_id=0x1234
+vendor_id=0x4321
+
+dfu_config="/dev/nand0.bootstrap.bb(bootstrap)sr,/dev/nand0.barebox.bb(barebox)sr,/dev/nand0.kernel.bb(kernel)r,/dev/nand0.rootfs.bb(rootfs)r"
+
+echo
+
+if [ $at91_udc0.vbus != 1 ]; then
+	echo "No USB Device cable plugged, normal boot"
+	exit
+fi
+
+gpio_get_value ${gpio_dfu}
+if [ $? = 0 ]; then
+	echo "${gpio_name} low value detected wait ${gpio_wait}s"
+	timeout -s -a ${gpio_wait}
+
+	if [ $at91_udc0.vbus != 1 ]; then
+		echo "No USB Device cable plugged, normal boot"
+		exit
+	fi
+
+	gpio_get_value ${gpio_dfu}
+	if [ $? = 0 ]; then
+		echo "Start DFU Mode"
+		dfu ${dfu_config} -P ${product_id} -V ${vendor_id}
+		exit
+	fi
+fi
+
+global.autoboot_timeout=16
+echo "enable tty over USB Device, increase the boot delay to ${global.autoboot_timeout}s"
+usbserial
diff --git a/arch/arm/boards/telit-evk-pro3/init.c b/arch/arm/boards/telit-evk-pro3/init.c
new file mode 100644
index 0000000000..d5f1b3ea2e
--- /dev/null
+++ b/arch/arm/boards/telit-evk-pro3/init.c
@@ -0,0 +1,176 @@
+/*
+ * Copyright (C) 2007 Sascha Hauer, Pengutronix
+ * Copyright (C) 2013 Fabio Porcedda <fabio.porcedda@gmail.com>, Telit
+ *
+ * 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 <asm/armlinux.h>
+#include <common.h>
+#include <gpio.h>
+#include <init.h>
+#include <linux/clk.h>
+#include <mach/at91_rstc.h>
+#include <mach/at91sam9_smc.h>
+#include <mach/board.h>
+#include <mach/io.h>
+#include <nand.h>
+
+#define BOOTSTRAP_SIZE	0xC0000
+
+static struct atmel_nand_data nand_pdata = {
+	.ale		= 21,
+	.cle		= 22,
+	.det_pin	= -EINVAL,
+	.rdy_pin	= AT91_PIN_PC13,
+	.enable_pin	= AT91_PIN_PC14,
+	.on_flash_bbt	= 1,
+};
+
+static struct sam9_smc_config evk_nand_smc_config = {
+	.ncs_read_setup		= 0,
+	.nrd_setup		= 1,
+	.ncs_write_setup	= 0,
+	.nwe_setup		= 1,
+
+	.ncs_read_pulse		= 3,
+	.nrd_pulse		= 3,
+	.ncs_write_pulse	= 3,
+	.nwe_pulse		= 3,
+
+	.read_cycle		= 5,
+	.write_cycle		= 5,
+
+	.mode			= AT91_SMC_READMODE | AT91_SMC_WRITEMODE |
+				  AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
+	.tdf_cycles		= 2,
+};
+
+static void evk_add_device_nand(void)
+{
+	/* configure chip-select 3 (NAND) */
+	sam9_smc_configure(0, 3, &evk_nand_smc_config);
+
+	at91_add_device_nand(&nand_pdata);
+}
+
+static struct at91_ether_platform_data macb_pdata = {
+	.phy_interface = PHY_INTERFACE_MODE_RMII,
+	.phy_addr = 0,
+};
+
+static void evk_phy_reset(void)
+{
+	unsigned long rstc;
+	struct clk *clk = clk_get(NULL, "macb_clk");
+
+	clk_enable(clk);
+
+	at91_set_gpio_input(AT91_PIN_PA14, 0);
+	at91_set_gpio_input(AT91_PIN_PA15, 0);
+	at91_set_gpio_input(AT91_PIN_PA17, 0);
+	at91_set_gpio_input(AT91_PIN_PA25, 0);
+	at91_set_gpio_input(AT91_PIN_PA26, 0);
+	at91_set_gpio_input(AT91_PIN_PA28, 0);
+
+	rstc = at91_sys_read(AT91_RSTC_MR) & AT91_RSTC_ERSTL;
+
+	/* Need to reset PHY -> 500ms reset */
+	at91_sys_write(AT91_RSTC_MR, AT91_RSTC_KEY |
+				     (AT91_RSTC_ERSTL & (0x0d << 8)) |
+				     AT91_RSTC_URSTEN);
+
+	at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_EXTRST);
+
+	/* Wait for end hardware reset */
+	while (!(at91_sys_read(AT91_RSTC_SR) & AT91_RSTC_NRSTL))
+		;
+
+	/* Restore NRST value */
+	at91_sys_write(AT91_RSTC_MR, AT91_RSTC_KEY | (rstc) | AT91_RSTC_URSTEN);
+}
+
+/*
+ * MCI (SD/MMC)
+ */
+#if defined(CONFIG_MCI_ATMEL)
+static struct atmel_mci_platform_data __initdata evk_mci_data = {
+	.bus_width	= 4,
+	.detect_pin	= AT91_PIN_PA27,
+	.wp_pin		= AT91_PIN_PA25,
+};
+
+static void evk_usb_add_device_mci(void)
+{
+	at91_add_device_mci(0, &evk_mci_data);
+}
+#else
+static void evk_usb_add_device_mci(void) {}
+#endif
+
+/*
+ * USB Host port
+ */
+static struct at91_usbh_data __initdata evk_usbh_data = {
+	.ports		= 2,
+	.vbus_pin	= { -EINVAL, -EINVAL },
+};
+
+/*
+ * USB Device port
+ */
+static struct at91_udc_data __initdata evk_udc_data = {
+	.vbus_pin	= AT91_PIN_PC4,
+	.pullup_pin	= -EINVAL,		/* pull-up driven by UDC */
+};
+
+static int evk_mem_init(void)
+{
+	at91_add_device_sdram(0);
+
+	return 0;
+}
+mem_initcall(evk_mem_init);
+
+static int evk_devices_init(void)
+{
+	evk_add_device_nand();
+	evk_phy_reset();
+	at91_add_device_eth(0, &macb_pdata);
+	at91_add_device_usbh_ohci(&evk_usbh_data);
+	at91_add_device_udc(&evk_udc_data);
+	evk_usb_add_device_mci();
+
+	armlinux_set_bootparams((void *)(AT91_CHIPSELECT_1 + 0x100));
+
+	devfs_add_partition("nand0", 0x00000, BOOTSTRAP_SIZE,
+			    DEVFS_PARTITION_FIXED, "bootstrap_raw");
+	dev_add_bb_dev("bootstrap_raw", "bootstrap");
+	devfs_add_partition("nand0", BOOTSTRAP_SIZE, SZ_256K,
+			    DEVFS_PARTITION_FIXED, "self_raw");
+	dev_add_bb_dev("self_raw", "self0");
+	devfs_add_partition("nand0", BOOTSTRAP_SIZE + SZ_256K, SZ_128K,
+			    DEVFS_PARTITION_FIXED, "env_raw");
+	dev_add_bb_dev("env_raw", "env0");
+	devfs_add_partition("nand0", BOOTSTRAP_SIZE + SZ_256K + SZ_128K,
+			    SZ_128K, DEVFS_PARTITION_FIXED, "env_raw1");
+	dev_add_bb_dev("env_raw1", "env1");
+
+	return 0;
+}
+device_initcall(evk_devices_init);
+
+static int evk_console_init(void)
+{
+	at91_register_uart(0, 0);
+	return 0;
+}
+console_initcall(evk_console_init);