[ARM] 3243/2: AT91RM9200 support for 2.6 (Atmel DK & EK boards)

Patch from Andrew Victor

This patch adds support to the 2.6 kernel series for the Atmel
AT91RM9200 processor.

This patch is the support for Atmel's DK and EK boards.

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

3 files changed, 271 insertions, 2 deletions

diff --git a/arch/arm/mach-at91rm9200/Makefile b/arch/arm/mach-at91rm9200/Makefile
index 1f2805ca6e2..a1b4ea3ec47 100644
--- a/arch/arm/mach-at91rm9200/Makefile
+++ b/arch/arm/mach-at91rm9200/Makefile
@@ -8,8 +8,8 @@ obj-n		:=
 obj-		:=
 
 # Board-specific support
-#obj-$(CONFIG_ARCH_AT91RM9200DK)	+= board-dk.o
-#obj-$(CONFIG_MACH_AT91RM9200EK)	+= board-ek.o
+obj-$(CONFIG_ARCH_AT91RM9200DK)	+= board-dk.o
+obj-$(CONFIG_MACH_AT91RM9200EK)	+= board-ek.o
 #obj-$(CONFIG_MACH_CSB337)	+= board-csb337.o
 #obj-$(CONFIG_MACH_CSB637)	+= board-csb637.o
 #obj-$(CONFIG_MACH_CARMEVA)	+= board-carmeva.o
diff --git a/arch/arm/mach-at91rm9200/board-dk.c b/arch/arm/mach-at91rm9200/board-dk.c
new file mode 100644
index 00000000000..8c747a31b95
--- /dev/null
+++ b/arch/arm/mach-at91rm9200/board-dk.c
@@ -0,0 +1,138 @@
+/*
+ * linux/arch/arm/mach-at91rm9200/board-dk.c
+ *
+ *  Copyright (C) 2005 SAN People
+ *
+ *  Epson S1D framebuffer glue code is:
+ *     Copyright (C) 2005 Thibaut VARENE <varenet@parisc-linux.org>
+ *
+ * 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/config.h>
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/platform_device.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/hardware.h>
+#include <asm/mach/serial_at91rm9200.h>
+#include <asm/arch/board.h>
+
+#include "generic.h"
+
+static void __init dk_init_irq(void)
+{
+	/* Initialize AIC controller */
+	at91rm9200_init_irq(NULL);
+
+	/* Set up the GPIO interrupts */
+	at91_gpio_irq_setup(BGA_GPIO_BANKS);
+}
+
+/*
+ * Serial port configuration.
+ *    0 .. 3 = USART0 .. USART3
+ *    4      = DBGU
+ */
+#define DK_UART_MAP		{ 4, 1, -1, -1, -1 }	/* ttyS0, ..., ttyS4 */
+#define DK_SERIAL_CONSOLE	0			/* ttyS0 */
+
+static void __init dk_map_io(void)
+{
+	int serial[AT91_NR_UART] = DK_UART_MAP;
+	int i;
+
+	at91rm9200_map_io();
+
+	/* Initialize clocks: 18.432 MHz crystal */
+	at91_clock_init(18432000);
+
+#ifdef CONFIG_SERIAL_AT91
+	at91_console_port = DK_SERIAL_CONSOLE;
+	memcpy(at91_serial_map, serial, sizeof(serial));
+
+	/* Register UARTs */
+	for (i = 0; i < AT91_NR_UART; i++) {
+		if (at91_serial_map[i] >= 0)
+			at91_register_uart(i, at91_serial_map[i]);
+	}
+#endif
+}
+
+static struct at91_eth_data __initdata dk_eth_data = {
+	.phy_irq_pin	= AT91_PIN_PC4,
+	.is_rmii	= 1,
+};
+
+static struct at91_usbh_data __initdata dk_usbh_data = {
+	.ports		= 2,
+};
+
+static struct at91_udc_data __initdata dk_udc_data = {
+	.vbus_pin	= AT91_PIN_PD4,
+	.pullup_pin	= AT91_PIN_PD5,
+};
+
+static struct at91_cf_data __initdata dk_cf_data = {
+	.det_pin	= AT91_PIN_PB0,
+	.rst_pin	= AT91_PIN_PC5,
+	// .irq_pin	= ... not connected
+	// .vcc_pin	= ... always powered
+};
+
+static struct at91_mmc_data __initdata dk_mmc_data = {
+	.is_b		= 0,
+	.wire4		= 1,
+};
+
+static void __init dk_board_init(void)
+{
+	/* Ethernet */
+	at91_add_device_eth(&dk_eth_data);
+	/* USB Host */
+	at91_add_device_usbh(&dk_usbh_data);
+	/* USB Device */
+	at91_add_device_udc(&dk_udc_data);
+	/* Compact Flash */
+	at91_add_device_cf(&dk_cf_data);
+	/* MMC */
+	at91_set_gpio_output(AT91_PIN_PB7, 1);	/* this MMC card slot can optionally use SPI signaling (CS3). default: MMC */
+	at91_add_device_mmc(&dk_mmc_data);
+	/* VGA */
+//	dk_add_device_video();
+}
+
+MACHINE_START(AT91RM9200DK, "Atmel AT91RM9200-DK")
+	/* Maintainer: SAN People/Atmel */
+	.phys_ram	= AT91_SDRAM_BASE,
+	.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		= dk_map_io,
+	.init_irq	= dk_init_irq,
+	.init_machine	= dk_board_init,
+MACHINE_END
diff --git a/arch/arm/mach-at91rm9200/board-ek.c b/arch/arm/mach-at91rm9200/board-ek.c
new file mode 100644
index 00000000000..d140645711b
--- /dev/null
+++ b/arch/arm/mach-at91rm9200/board-ek.c
@@ -0,0 +1,131 @@
+/*
+ * linux/arch/arm/mach-at91rm9200/board-ek.c
+ *
+ *  Copyright (C) 2005 SAN People
+ *
+ *  Epson S1D framebuffer glue code is:
+ *     Copyright (C) 2005 Thibaut VARENE <varenet@parisc-linux.org>
+ *
+ * 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/config.h>
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/platform_device.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/hardware.h>
+#include <asm/mach/serial_at91rm9200.h>
+#include <asm/arch/board.h>
+
+#include "generic.h"
+
+static void __init ek_init_irq(void)
+{
+	/* Initialize AIC controller */
+	at91rm9200_init_irq(NULL);
+
+	/* Set up the GPIO interrupts */
+	at91_gpio_irq_setup(BGA_GPIO_BANKS);
+}
+
+/*
+ * Serial port configuration.
+ *    0 .. 3 = USART0 .. USART3
+ *    4      = DBGU
+ */
+#define EK_UART_MAP		{ 4, 1, -1, -1, -1 }	/* ttyS0, ..., ttyS4 */
+#define EK_SERIAL_CONSOLE	0			/* ttyS0 */
+
+static void __init ek_map_io(void)
+{
+	int serial[AT91_NR_UART] = EK_UART_MAP;
+	int i;
+
+	at91rm9200_map_io();
+
+	/* Initialize clocks: 18.432 MHz crystal */
+	at91_clock_init(18432000);
+
+#ifdef CONFIG_SERIAL_AT91
+	at91_console_port = EK_SERIAL_CONSOLE;
+	memcpy(at91_serial_map, serial, sizeof(serial));
+
+	/* Register UARTs */
+	for (i = 0; i < AT91_NR_UART; i++) {
+		if (serial[i] >= 0)
+			at91_register_uart(i, serial[i]);
+	}
+#endif
+}
+
+static struct at91_eth_data __initdata ek_eth_data = {
+	.phy_irq_pin	= AT91_PIN_PC4,
+	.is_rmii	= 1,
+};
+
+static struct at91_usbh_data __initdata ek_usbh_data = {
+	.ports		= 2,
+};
+
+static struct at91_udc_data __initdata ek_udc_data = {
+	.vbus_pin	= AT91_PIN_PD4,
+	.pullup_pin	= AT91_PIN_PD5,
+};
+
+static struct at91_mmc_data __initdata ek_mmc_data = {
+	.det_pin	= AT91_PIN_PB27,
+	.is_b		= 0,
+	.wire4		= 1,
+	.wp_pin		= AT91_PIN_PA17,
+};
+
+static void __init ek_board_init(void)
+{
+	/* Ethernet */
+	at91_add_device_eth(&ek_eth_data);
+	/* USB Host */
+	at91_add_device_usbh(&ek_usbh_data);
+	/* USB Device */
+	at91_add_device_udc(&ek_udc_data);
+	/* MMC */
+	at91_set_gpio_output(AT91_PIN_PB22, 1);	/* this MMC card slot can optionally use SPI signaling (CS3). default: MMC */
+	at91_add_device_mmc(&ek_mmc_data);
+	/* VGA */
+//	ek_add_device_video();
+}
+
+MACHINE_START(AT91RM9200EK, "Atmel AT91RM9200-EK")
+	/* Maintainer: SAN People/Atmel */
+	.phys_ram	= AT91_SDRAM_BASE,
+	.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		= ek_map_io,
+	.init_irq	= ek_init_irq,
+	.init_machine	= ek_board_init,
+MACHINE_END