[ARM] 4980/1: [AT91] emQbit ECB_AT91 board support

Support for the emQbit ECB_AT91 board.
  <http://wiki.emqbit.com/free-ecb-at91>

Original patch from Nelson Castillo.

Signed-off-by: Andrew Victor <linux@maxim.org.za>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

3 files changed, 187 insertions, 1 deletions

diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index 6aaa0b6..8a9f67b 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -109,6 +109,13 @@ config MACH_KAFA
 	help
 	  Select this if you are using Sperry-Sun's KAFA board.
 
+config MACH_ECBAT91
+	bool "emQbit ECB_AT91 SBC"
+	depends on ARCH_AT91RM9200
+	help
+	  Select this if you are using emQbit's ECB_AT91 board.
+	  <http://wiki.emqbit.com/free-ecb-at91>
+
 endif
 
 # ----------------------------------------------------------
@@ -230,7 +237,7 @@ comment "AT91 Board Options"
 
 config MTD_AT91_DATAFLASH_CARD
 	bool "Enable DataFlash Card support"
-	depends on (ARCH_AT91RM9200DK || MACH_AT91RM9200EK || MACH_AT91SAM9260EK || MACH_AT91SAM9261EK || MACH_AT91SAM9263EK || MACH_AT91CAP9ADK || MACH_SAM9_L9260)
+	depends on (ARCH_AT91RM9200DK || MACH_AT91RM9200EK || MACH_AT91SAM9260EK || MACH_AT91SAM9261EK || MACH_AT91SAM9263EK || MACH_AT91CAP9ADK || MACH_SAM9_L9260 || MACH_ECBAT91)
 	help
 	  Enable support for the DataFlash card.
 
diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile
index 1050372..8d9bc01 100644
--- a/arch/arm/mach-at91/Makefile
+++ b/arch/arm/mach-at91/Makefile
@@ -29,6 +29,7 @@ obj-$(CONFIG_MACH_KB9200)	+= board-kb9202.o
 obj-$(CONFIG_MACH_ATEB9200)	+= board-eb9200.o
 obj-$(CONFIG_MACH_KAFA)		+= board-kafa.o
 obj-$(CONFIG_MACH_PICOTUX2XX)	+= board-picotux200.o
+obj-$(CONFIG_MACH_ECBAT91)	+= board-ecbat91.o
 
 # AT91SAM9260 board-specific support
 obj-$(CONFIG_MACH_AT91SAM9260EK) += board-sam9260ek.o
diff --git a/arch/arm/mach-at91/board-ecbat91.c b/arch/arm/mach-at91/board-ecbat91.c
new file mode 100644
index 0000000..e77fad4
--- /dev/null
+++ b/arch/arm/mach-at91/board-ecbat91.c
@@ -0,0 +1,178 @@
+/*
+ * linux/arch/arm/mach-at91rm9200/board-ecbat91.c
+ * Copyright (C) 2007 emQbit.com.
+ *
+ * We started from board-dk.c, which is Copyright (C) 2005 SAN People.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#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/spi/flash.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 "generic.h"
+
+
+static void __init ecb_at91map_io(void)
+{
+	/* Initialize processor: 18.432 MHz crystal */
+	at91rm9200_initialize(18432000, AT91RM9200_PQFP);
+
+	/* Setup the LEDs */
+	at91_init_leds(AT91_PIN_PC7, AT91_PIN_PC7);
+
+	/* DBGU on ttyS0. (Rx & Tx only) */
+	at91_register_uart(0, 0, 0);
+
+	/* USART0 on ttyS1. (Rx & Tx only) */
+	at91_register_uart(AT91RM9200_ID_US0, 1, 0);
+
+	/* set serial console to ttyS0 (ie, DBGU) */
+	at91_set_serial_console(0);
+}
+
+static void __init ecb_at91init_irq(void)
+{
+	at91rm9200_init_interrupts(NULL);
+}
+
+static struct at91_eth_data __initdata ecb_at91eth_data = {
+	.phy_irq_pin	= AT91_PIN_PC4,
+	.is_rmii	= 0,
+};
+
+static struct at91_usbh_data __initdata ecb_at91usbh_data = {
+	.ports		= 1,
+};
+
+static struct at91_mmc_data __initdata ecb_at91mmc_data = {
+	.slot_b		= 0,
+	.wire4		= 1,
+};
+
+
+#if defined(CONFIG_MTD_DATAFLASH)
+static struct mtd_partition __initdata my_flash0_partitions[] =
+{
+	{	/* 0x8400 */
+		.name	= "Darrell-loader",
+		.offset	= 0,
+		.size	= 12* 1056,
+	},
+	{
+		.name	= "U-boot",
+		.offset	= MTDPART_OFS_NXTBLK,
+		.size	= 110 * 1056,
+	},
+	{	/* 1336 (167 blocks) pages * 1056 bytes = 0x158700 bytes */
+		.name	= "UBoot-env",
+		.offset	= MTDPART_OFS_NXTBLK,
+		.size	= 8 * 1056,
+	},
+	{	/* 1336 (167 blocks) pages * 1056 bytes = 0x158700 bytes */
+		.name	= "Kernel",
+		.offset	= MTDPART_OFS_NXTBLK,
+		.size	= 1534 * 1056,
+	},
+	{	/* 190200 - jffs2 root filesystem */
+		.name	= "Filesystem",
+		.offset	= MTDPART_OFS_NXTBLK,
+		.size	= MTDPART_SIZ_FULL,	/* 26 sectors */
+	}
+};
+
+static struct flash_platform_data __initdata my_flash0_platform = {
+	.name		= "Removable flash card",
+	.parts		= my_flash0_partitions,
+	.nr_parts	= ARRAY_SIZE(my_flash0_partitions)
+};
+
+#endif
+
+static struct spi_board_info __initdata ecb_at91spi_devices[] = {
+	{	/* DataFlash chip */
+		.modalias	= "mtd_dataflash",
+		.chip_select	= 0,
+		.max_speed_hz	= 10 * 1000 * 1000,
+		.bus_num	= 0,
+#if defined(CONFIG_MTD_DATAFLASH)
+		.platform_data	= &my_flash0_platform,
+#endif
+	},
+	{	/* User accessable spi - cs1 (250KHz) */
+		.modalias	= "spi-cs1",
+		.chip_select	= 1,
+		.max_speed_hz	= 250 * 1000,
+	},
+	{	/* User accessable spi - cs2 (1MHz) */
+		.modalias	= "spi-cs2",
+		.chip_select	= 2,
+		.max_speed_hz	= 1 * 1000 * 1000,
+	},
+	{	/* User accessable spi - cs3 (10MHz) */
+		.modalias	= "spi-cs3",
+		.chip_select	= 3,
+		.max_speed_hz	= 10 * 1000 * 1000,
+	},
+};
+
+static void __init ecb_at91board_init(void)
+{
+	/* Serial */
+	at91_add_device_serial();
+
+	/* Ethernet */
+	at91_add_device_eth(&ecb_at91eth_data);
+
+	/* USB Host */
+	at91_add_device_usbh(&ecb_at91usbh_data);
+
+	/* I2C */
+	at91_add_device_i2c(NULL, 0);
+
+	/* MMC */
+	at91_add_device_mmc(0, &ecb_at91mmc_data);
+
+	/* SPI */
+	at91_add_device_spi(ecb_at91spi_devices, ARRAY_SIZE(ecb_at91spi_devices));
+}
+
+MACHINE_START(ECBAT91, "emQbit's ECB_AT91")
+	/* Maintainer: emQbit.com */
+	.phys_io	= AT91_BASE_SYS,
+	.io_pg_offst	= (AT91_VA_BASE_SYS >> 18) & 0xfffc,
+	.boot_params	= AT91_SDRAM_BASE + 0x100,
+	.timer		= &at91rm9200_timer,
+	.map_io		= ecb_at91map_io,
+	.init_irq	= ecb_at91init_irq,
+	.init_machine	= ecb_at91board_init,
+MACHINE_END