ARM: 5630/1: Add support for Eukrea's CPUAT91

CPUAT91 is based on Atmel's AT91RM9200 with up to 16MB Strataflash,
up to 128MB SDRAM and an ethernet PHY in RMII mode.

Signed-off-by: Eric Benard <ebenard@eukrea.com>
Acked-by: Andrew Victor <linux@maxim.org.za>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

3 files changed, 193 insertions, 0 deletions

diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index 83a89720ada9..a24d824c428b 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -156,6 +156,13 @@ config MACH_YL9200
         help
           Select this if you are using the ucDragon YL-9200 board.
 
+config MACH_CPUAT91
+        bool "Eukrea CPUAT91"
+        depends on ARCH_AT91RM9200
+        help
+          Select this if you are using the Eukrea Electromatique's
+          CPUAT91 board <http://www.eukrea.com/>.
+
 endif
 
 # ----------------------------------------------------------
diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile
index b2ea2e5a8817..a6ed015d82ed 100644
--- a/arch/arm/mach-at91/Makefile
+++ b/arch/arm/mach-at91/Makefile
@@ -34,6 +34,7 @@ obj-$(CONFIG_MACH_KAFA)		+= board-kafa.o
 obj-$(CONFIG_MACH_PICOTUX2XX)   += board-picotux200.o
 obj-$(CONFIG_MACH_ECBAT91)      += board-ecbat91.o
 obj-$(CONFIG_MACH_YL9200)       += board-yl-9200.o
+obj-$(CONFIG_MACH_CPUAT91)      += board-cpuat91.o
 
 # AT91SAM9260 board-specific support
 obj-$(CONFIG_MACH_AT91SAM9260EK) += board-sam9260ek.o
diff --git a/arch/arm/mach-at91/board-cpuat91.c b/arch/arm/mach-at91/board-cpuat91.c
new file mode 100644
index 000000000000..a28d99656190
--- /dev/null
+++ b/arch/arm/mach-at91/board-cpuat91.c
@@ -0,0 +1,185 @@
+/*
+ * linux/arch/arm/mach-at91/board-cpuat91.c
+ *
+ *  Copyright (C) 2009 Eric Benard - eric@eukrea.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.
+ *
+ * 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/mtd/physmap.h>
+#include <linux/mtd/plat-ram.h>
+
+#include <mach/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 <mach/board.h>
+#include <mach/gpio.h>
+#include <mach/at91rm9200_mc.h>
+
+#include "generic.h"
+
+static struct gpio_led cpuat91_leds[] = {
+        {
+                .name                   = "led1",
+                .default_trigger        = "heartbeat",
+                .active_low             = 1,
+                .gpio                   = AT91_PIN_PC0,
+        },
+};
+
+static void __init cpuat91_map_io(void)
+{
+        /* Initialize processor: 18.432 MHz crystal */
+        at91rm9200_initialize(18432000, AT91RM9200_PQFP);
+
+        /* DBGU on ttyS0. (Rx & Tx only) */
+        at91_register_uart(0, 0, 0);
+
+        /* USART0 on ttyS1. (Rx, Tx, CTS, RTS) */
+        at91_register_uart(AT91RM9200_ID_US0, 1, ATMEL_UART_CTS |
+                ATMEL_UART_RTS);
+
+        /* USART1 on ttyS2. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
+        at91_register_uart(AT91RM9200_ID_US1, 2, ATMEL_UART_CTS |
+                ATMEL_UART_RTS | ATMEL_UART_DTR | ATMEL_UART_DSR |
+                ATMEL_UART_DCD | ATMEL_UART_RI);
+
+        /* USART2 on ttyS3 (Rx, Tx) */
+        at91_register_uart(AT91RM9200_ID_US2, 3, 0);
+
+        /* USART3 on ttyS4 (Rx, Tx, CTS, RTS) */
+        at91_register_uart(AT91RM9200_ID_US3, 4, ATMEL_UART_CTS |
+                ATMEL_UART_RTS);
+
+        /* set serial console to ttyS0 (ie, DBGU) */
+        at91_set_serial_console(0);
+}
+
+static void __init cpuat91_init_irq(void)
+{
+        at91rm9200_init_interrupts(NULL);
+}
+
+static struct at91_eth_data __initdata cpuat91_eth_data = {
+        .is_rmii        = 1,
+};
+
+static struct at91_usbh_data __initdata cpuat91_usbh_data = {
+        .ports          = 1,
+};
+
+static struct at91_udc_data __initdata cpuat91_udc_data = {
+        .vbus_pin       = AT91_PIN_PC15,
+        .pullup_pin     = AT91_PIN_PC14,
+};
+
+static struct at91_mmc_data __initdata cpuat91_mmc_data = {
+        .det_pin        = AT91_PIN_PC2,
+        .wire4          = 1,
+};
+
+static struct physmap_flash_data cpuat91_flash_data = {
+        .width          = 2,
+};
+
+static struct resource cpuat91_flash_resource = {
+        .start          = AT91_CHIPSELECT_0,
+        .end            = AT91_CHIPSELECT_0 + SZ_16M - 1,
+        .flags          = IORESOURCE_MEM,
+};
+
+static struct platform_device cpuat91_norflash = {
+        .name           = "physmap-flash",
+        .id             = 0,
+        .dev    = {
+                .platform_data  = &cpuat91_flash_data,
+        },
+        .resource       = &cpuat91_flash_resource,
+        .num_resources  = 1,
+};
+
+#ifdef CONFIG_MTD_PLATRAM
+struct platdata_mtd_ram at91_sram_pdata = {
+        .mapname        = "SRAM",
+        .bankwidth      = 2,
+};
+
+static struct resource at91_sram_resource[] = {
+        [0] = {
+                .start = AT91RM9200_SRAM_BASE,
+                .end   = AT91RM9200_SRAM_BASE + AT91RM9200_SRAM_SIZE - 1,
+                .flags = IORESOURCE_MEM,
+        },
+};
+
+static struct platform_device at91_sram = {
+        .name           = "mtd-ram",
+        .id             = 0,
+        .resource       = at91_sram_resource,
+        .num_resources  = ARRAY_SIZE(at91_sram_resource),
+        .dev    = {
+                .platform_data = &at91_sram_pdata,
+        },
+};
+#endif /* MTD_PLATRAM */
+
+static struct platform_device *platform_devices[] __initdata = {
+        &cpuat91_norflash,
+#ifdef CONFIG_MTD_PLATRAM
+        &at91_sram,
+#endif /* CONFIG_MTD_PLATRAM */
+};
+
+static void __init cpuat91_board_init(void)
+{
+        /* Serial */
+        at91_add_device_serial();
+        /* LEDs. */
+        at91_gpio_leds(cpuat91_leds, ARRAY_SIZE(cpuat91_leds));
+        /* Ethernet */
+        at91_add_device_eth(&cpuat91_eth_data);
+        /* USB Host */
+        at91_add_device_usbh(&cpuat91_usbh_data);
+        /* USB Device */
+        at91_add_device_udc(&cpuat91_udc_data);
+        /* MMC */
+        at91_add_device_mmc(0, &cpuat91_mmc_data);
+        /* I2C */
+        at91_add_device_i2c(NULL, 0);
+        /* Platform devices */
+        platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
+}
+
+MACHINE_START(CPUAT91, "Eukrea")
+        /* Maintainer: Eric Benard - EUKREA Electromatique */
+        .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         = cpuat91_map_io,
+        .init_irq       = cpuat91_init_irq,
+        .init_machine   = cpuat91_board_init,
+MACHINE_END