[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 6aaa0b665fc8..8a9f67b62ec1 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 1050372ef9af..8d9bc0153b18 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 000000000000..e77fad443835
--- /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