1 files changed, 403 insertions, 0 deletions
diff --git a/arch/arm/boards/sama5d3xek/init.c b/arch/arm/boards/sama5d3xek/init.c
new file mode 100644
index 0000000000..110a83f803
--- /dev/null
+++ b/arch/arm/boards/sama5d3xek/init.c
@@ -0,0 +1,403 @@
+/*
+ * Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.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 <asm/hardware.h>
+#include <nand.h>
+#include <sizes.h>
+#include <linux/mtd/nand.h>
+#include <mach/board.h>
+#include <mach/at91sam9_smc.h>
+#include <mach/at91sam9_smc.h>
+#include <gpio.h>
+#include <mach/io.h>
+#include <mach/at91_pmc.h>
+#include <mach/at91_rstc.h>
+#include <mach/at91sam9x5_matrix.h>
+#include <input/qt1070.h>
+#include <readkey.h>
+#include <poller.h>
+#include <linux/w1-gpio.h>
+#include <w1_mac_address.h>
+#include <spi/spi.h>
+#include <linux/clk.h>
+#include <linux/phy.h>
+#include <linux/micrel_phy.h>
+
+#include "hw_version.h"
+
+struct w1_gpio_platform_data w1_pdata = {
+	.pin = AT91_PIN_PE25,
+	.ext_pullup_enable_pin = -EINVAL,
+	.is_open_drain = 0,
+};
+
+#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 cm_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)
+		cm_nand_smc_config.mode |= AT91_SMC_DBW_16;
+	else
+		cm_nand_smc_config.mode |= AT91_SMC_DBW_8;
+
+	/* configure chip-select 3 (NAND) */
+	sam9_smc_configure(0, 3, &cm_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 at91_ether_platform_data macb_pdata = {
+	.phy_interface = PHY_INTERFACE_MODE_RMII,
+	.phy_addr = 0,
+};
+
+static bool used_23 = false;
+static bool used_43 = false;
+
+static int ek_register_mac_address_23(int id)
+{
+	if (used_23)
+		return -EBUSY;
+
+	used_23 = true;
+
+	return w1_local_mac_address_register(id, "tml", "w1-23-0");
+}
+
+static int ek_register_mac_address_43(int id)
+{
+	if (used_43)
+		return -EBUSY;
+
+	used_43 = true;
+
+	return w1_local_mac_address_register(id, "tml", "w1-43-0");
+}
+
+static void ek_add_device_eth(void)
+{
+	if (w1_local_mac_address_register(0, "tml", "w1-2d-0"))
+		if (ek_register_mac_address_23(0))
+			ek_register_mac_address_43(0);
+
+	if (ek_register_mac_address_23(1))
+		ek_register_mac_address_43(1);
+
+	at91_add_device_eth(1, &macb_pdata);
+}
+#else
+static void ek_add_device_eth(void) {}
+#endif
+
+#if defined(CONFIG_DRIVER_VIDEO_ATMEL_HLCD)
+/*
+ * LCD Controller
+ */
+static struct fb_videomode at91_tft_vga_modes[] = {
+	{
+		.name		= "LG",
+		.refresh	= 60,
+		.xres		= 800,		.yres		= 480,
+		.pixclock	= KHZ2PICOS(33260),
+
+		.left_margin	= 88,		.right_margin	= 168,
+		.upper_margin	= 8,		.lower_margin	= 37,
+		.hsync_len	= 128,		.vsync_len	= 2,
+
+		.sync		= 0,
+		.vmode		= FB_VMODE_NONINTERLACED,
+	},
+};
+
+/* Default output mode is TFT 24 bit */
+#define BPP_OUT_DEFAULT_LCDCFG5	(LCDC_LCDCFG5_MODE_OUTPUT_24BPP)
+
+/* Driver datas */
+static struct atmel_lcdfb_platform_data ek_lcdc_data = {
+	.lcdcon_is_backlight		= true,
+	.default_bpp			= 16,
+	.default_dmacon			= ATMEL_LCDC_DMAEN,
+	.default_lcdcon2		= BPP_OUT_DEFAULT_LCDCFG5,
+	.guard_time			= 9,
+	.lcd_wiring_mode		= ATMEL_LCDC_WIRING_RGB,
+	.mode_list			= at91_tft_vga_modes,
+	.num_modes			= ARRAY_SIZE(at91_tft_vga_modes),
+};
+
+static void ek_add_device_lcdc(void)
+{
+	at91_add_device_lcdc(&ek_lcdc_data);
+}
+
+#else
+static void ek_add_device_lcdc(void) {}
+#endif
+
+#if defined(CONFIG_MCI_ATMEL)
+/*
+ * MCI (SD/MMC)
+ */
+static struct atmel_mci_platform_data mci0_data = {
+	.bus_width	= 4,
+	.detect_pin	= AT91_PIN_PD17,
+	.wp_pin		= -EINVAL,
+};
+
+static struct atmel_mci_platform_data mci1_data = {
+	.bus_width	= 4,
+	.detect_pin	= AT91_PIN_PD18,
+	.wp_pin		= -EINVAL,
+};
+
+static void ek_add_device_mci(void)
+{
+	/* MMC0 */
+	at91_add_device_mci(0, &mci0_data);
+	/* MMC1 */
+	at91_add_device_mci(1, &mci1_data);
+}
+#else
+static void ek_add_device_mci(void) {}
+#endif
+
+#if defined(CONFIG_I2C_GPIO)
+struct qt1070_platform_data qt1070_pdata = {
+	.irq_pin	= AT91_PIN_PE31,
+};
+
+static struct i2c_board_info i2c_devices[] = {
+	{
+		.platform_data = &qt1070_pdata,
+		I2C_BOARD_INFO("qt1070", 0x1b),
+	},
+};
+
+static void ek_add_device_i2c(void)
+{
+	at91_set_gpio_input(qt1070_pdata.irq_pin, 0);
+	at91_set_deglitch(qt1070_pdata.irq_pin, 1);
+	at91_add_device_i2c(1, i2c_devices, ARRAY_SIZE(i2c_devices));
+	at91_add_device_i2c(0, NULL, 0);
+}
+#else
+static void ek_add_device_i2c(void) {}
+#endif
+
+#if defined(CONFIG_DRIVER_SPI_ATMEL)
+static const struct spi_board_info ek_spi_devices[] = {
+	{
+		.name		= "m25p80",
+		.chip_select	= 0,
+		.max_speed_hz	= 30 * 1000 * 1000,
+		.bus_num	= 0,
+	}
+};
+
+static unsigned spi0_standard_cs[] = { AT91_PIN_PD13 };
+static struct at91_spi_platform_data spi_pdata = {
+	.chipselect = spi0_standard_cs,
+	.num_chipselect = ARRAY_SIZE(spi0_standard_cs),
+};
+
+static void ek_add_device_spi(void)
+{
+	spi_register_board_info(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
+	at91_add_device_spi(0, &spi_pdata);
+}
+#else
+static void ek_add_device_spi(void) {}
+#endif
+
+#ifdef CONFIG_LED_GPIO
+struct gpio_led leds[] = {
+	{
+		.gpio	= AT91_PIN_PE24,
+		.active_low	= 1,
+		.led	= {
+			.name = "d1",
+		},
+	}, {
+		.gpio	= AT91_PIN_PE25,
+		.active_low	= 1,
+		.led	= {
+			.name = "d2",
+		},
+	},
+};
+
+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 at91sama5d3xek_mem_init(void)
+{
+	at91_add_device_sdram(0);
+
+	return 0;
+}
+mem_initcall(at91sama5d3xek_mem_init);
+
+static void ek_add_device_w1(void)
+{
+	at91_set_gpio_input(w1_pdata.pin, 0);
+	at91_set_multi_drive(w1_pdata.pin, 1);
+	add_generic_device_res("w1-gpio", DEVICE_ID_SINGLE, NULL, 0, &w1_pdata);
+
+	at91sama5d3xek_devices_detect_hw();
+}
+
+#ifdef CONFIG_POLLER
+/*
+ * The SiI9022A (HDMI) and QT1070 share the same irq
+ * but if the SiI9022A is not reset the irq is pull down
+ * So do it. As the SiI9022A need 1s to reset (500ms up then 500ms down then up)
+ * do it poller to do not slow down the boot
+ */
+static int hdmi_reset_pin = AT91_PIN_PC31;
+static uint64_t hdmi_reset_start;
+struct poller_struct hdmi_poller;
+
+static void hdmi_on_poller(struct poller_struct *poller)
+{
+	if (!is_timeout_non_interruptible(hdmi_reset_start, 500 * MSECOND))
+		return;
+
+	gpio_set_value(hdmi_reset_pin, 1);
+
+	poller_unregister(poller);
+	ek_add_device_i2c();
+}
+
+static void hdmi_off_poller(struct poller_struct *poller)
+{
+	if (!is_timeout_non_interruptible(hdmi_reset_start, 500 * MSECOND))
+		return;
+
+	gpio_set_value(hdmi_reset_pin, 0);
+
+	hdmi_reset_start = get_time_ns();
+	poller->func = hdmi_on_poller;
+}
+
+static void ek_add_device_hdmi(void)
+{
+	at91_set_gpio_output(hdmi_reset_pin, 1);
+	hdmi_reset_start = get_time_ns();
+	hdmi_poller.func = hdmi_off_poller;
+
+	poller_register(&hdmi_poller);
+}
+#else
+static void ek_add_device_hdmi(void)
+{
+	ek_add_device_i2c();
+}
+#endif
+
+static int at91sama5d3xek_devices_init(void)
+{
+	ek_add_device_w1();
+	ek_add_device_hdmi();
+	ek_add_device_nand();
+	ek_add_led();
+	ek_add_device_eth();
+	ek_add_device_spi();
+	ek_add_device_mci();
+	ek_add_device_lcdc();
+
+	armlinux_set_bootparams((void *)(SAMA5_DDRCS + 0x100));
+
+	devfs_add_partition("nand0", 0x00000, SZ_256K, DEVFS_PARTITION_FIXED, "at91bootstrap_raw");
+	dev_add_bb_dev("at91bootstrap_raw", "at91bootstrap");
+	devfs_add_partition("nand0", SZ_256K, SZ_256K + SZ_128K, DEVFS_PARTITION_FIXED, "self_raw");
+	dev_add_bb_dev("self_raw", "self0");
+	devfs_add_partition("nand0", SZ_512K + SZ_256K, SZ_256K, DEVFS_PARTITION_FIXED, "env_raw");
+	dev_add_bb_dev("env_raw", "env0");
+	devfs_add_partition("nand0", SZ_1M, SZ_256K, DEVFS_PARTITION_FIXED, "env_raw1");
+	dev_add_bb_dev("env_raw1", "env1");
+
+	return 0;
+}
+device_initcall(at91sama5d3xek_devices_init);
+
+static int at91sama5d3xek_console_init(void)
+{
+	at91_register_uart(0, 0);
+	at91_register_uart(2, 0);
+	return 0;
+}
+console_initcall(at91sama5d3xek_console_init);