[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>
diff --git a/arch/arm/mach-at91rm9200/board-dk.c b/arch/arm/mach-at91rm9200/board-dk.c
new file mode 100644
index 0000000..8c747a3
--- /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