[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 000000000000..30c79aca84d4
--- /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