[ARM] 4371/1: AT91: Support for Atmel AT91SAM9RL-EK development board

Add support for the Atmel AT91SAM9RL-EK development board.

Signed-off-by: Nicolas Ferre <nicolas.ferre@rfo.atmel.com>
Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 204 insertions, 0 deletions

diff --git a/arch/arm/mach-at91/board-sam9rlek.c b/arch/arm/mach-at91/board-sam9rlek.c
new file mode 100644
index 00000000000..30c79aca84d
--- /dev/null
+++ b/arch/arm/mach-at91/board-sam9rlek.c
@@ -0,0 +1,204 @@
+/*
+ *  Copyright (C) 2005 SAN People
+ *  Copyright (C) 2007 Atmel Corporation
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file COPYING in the main directory of this archive for
+ * more details.
+ */
+
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/spi/spi.h>
+#include <linux/fb.h>
+#include <linux/clk.h>
+
+#include <video/atmel_lcdc.h>
+
+#include <asm/hardware.h>
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+#include <asm/irq.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <asm/arch/board.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/at91sam926x_mc.h>
+
+#include "generic.h"
+
+
+/*
+ * Serial port configuration.
+ *    0 .. 3 = USART0 .. USART3
+ *    4      = DBGU
+ */
+static struct at91_uart_config __initdata ek_uart_config = {
+	.console_tty	= 0,				/* ttyS0 */
+	.nr_tty		= 2,
+	.tty_map	= { 4, 0, -1, -1, -1 }		/* ttyS0, ..., ttyS4 */
+};
+
+static void __init ek_map_io(void)
+{
+	/* Initialize processor: 12.000 MHz crystal */
+	at91sam9rl_initialize(12000000);
+
+	/* Setup the serial ports and console */
+	at91_init_serial(&ek_uart_config);
+}
+
+static void __init ek_init_irq(void)
+{
+	at91sam9rl_init_interrupts(NULL);
+}
+
+
+/*
+ * MCI (SD/MMC)
+ */
+static struct at91_mmc_data __initdata ek_mmc_data = {
+	.wire4		= 1,
+	.det_pin	= AT91_PIN_PA15,
+//	.wp_pin		= ... not connected
+//	.vcc_pin	= ... not connected
+};
+
+
+/*
+ * NAND flash
+ */
+static struct mtd_partition __initdata ek_nand_partition[] = {
+	{
+		.name	= "Partition 1",
+		.offset	= 0,
+		.size	= 256 * 1024,
+	},
+	{
+		.name	= "Partition 2",
+		.offset	= 256 * 1024 ,
+		.size	= MTDPART_SIZ_FULL,
+	},
+};
+
+static struct mtd_partition *nand_partitions(int size, int *num_partitions)
+{
+	*num_partitions = ARRAY_SIZE(ek_nand_partition);
+	return ek_nand_partition;
+}
+
+static struct at91_nand_data __initdata ek_nand_data = {
+	.ale		= 21,
+	.cle		= 22,
+//	.det_pin	= ... not connected
+	.rdy_pin	= AT91_PIN_PD17,
+	.enable_pin	= AT91_PIN_PB6,
+	.partition_info	= nand_partitions,
+	.bus_width_16	= 0,
+};
+
+
+/*
+ * SPI devices
+ */
+static struct spi_board_info ek_spi_devices[] = {
+	{	/* DataFlash chip */
+		.modalias	= "mtd_dataflash",
+		.chip_select	= 0,
+		.max_speed_hz	= 15 * 1000 * 1000,
+		.bus_num	= 0,
+	},
+};
+
+
+/*
+ * LCD Controller
+ */
+#if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
+static struct fb_videomode at91_tft_vga_modes[] = {
+	{
+		.name		= "TX09D50VM1CCA @ 60",
+		.refresh	= 60,
+		.xres		= 240,		.yres		= 320,
+		.pixclock	= KHZ2PICOS(4965),
+
+		.left_margin	= 1,		.right_margin	= 33,
+		.upper_margin	= 1,		.lower_margin	= 0,
+		.hsync_len	= 5,		.vsync_len	= 1,
+
+		.sync		= FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+		.vmode		= FB_VMODE_NONINTERLACED,
+	},
+};
+
+static struct fb_monspecs at91fb_default_monspecs = {
+	.manufacturer	= "HIT",
+	.monitor	= "TX09D50VM1CCA",
+
+	.modedb		= at91_tft_vga_modes,
+	.modedb_len	= ARRAY_SIZE(at91_tft_vga_modes),
+	.hfmin		= 15000,
+	.hfmax		= 64000,
+	.vfmin		= 50,
+	.vfmax		= 150,
+};
+
+#define AT91SAM9RL_DEFAULT_LCDCON2	(ATMEL_LCDC_MEMOR_LITTLE \
+					| ATMEL_LCDC_DISTYPE_TFT \
+					| ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
+
+static void at91_lcdc_power_control(int on)
+{
+	if (on)
+		at91_set_gpio_value(AT91_PIN_PA30, 0);	/* power up */
+	else
+		at91_set_gpio_value(AT91_PIN_PA30, 1);	/* power down */
+}
+
+/* Driver datas */
+static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
+	.default_bpp			= 16,
+	.default_dmacon			= ATMEL_LCDC_DMAEN,
+	.default_lcdcon2		= AT91SAM9RL_DEFAULT_LCDCON2,
+	.default_monspecs		= &at91fb_default_monspecs,
+	.atmel_lcdfb_power_control	= at91_lcdc_power_control,
+	.guard_time			= 1,
+};
+
+#else
+static struct atmel_lcdfb_info __initdata ek_lcdc_data;
+#endif
+
+
+static void __init ek_board_init(void)
+{
+	/* Serial */
+	at91_add_device_serial();
+	/* I2C */
+	at91_add_device_i2c();
+	/* NAND */
+	at91_add_device_nand(&ek_nand_data);
+	/* SPI */
+	at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
+	/* MMC */
+	at91_add_device_mmc(0, &ek_mmc_data);
+	/* LCD Controller */
+	at91_add_device_lcdc(&ek_lcdc_data);
+}
+
+MACHINE_START(AT91SAM9RLEK, "Atmel AT91SAM9RL-EK")
+	/* Maintainer: Atmel */
+	.phys_io	= AT91_BASE_SYS,
+	.io_pg_offst	= (AT91_VA_BASE_SYS >> 18) & 0xfffc,
+	.boot_params	= AT91_SDRAM_BASE + 0x100,
+	.timer		= &at91sam926x_timer,
+	.map_io		= ek_map_io,
+	.init_irq	= ek_init_irq,
+	.init_machine	= ek_board_init,
+MACHINE_END