2.6.18-rc4-at91.patch.gz

内容包括2.6.14内核到2.6.23内核的at91内核补丁（没有2.6.19的）

+	.dev		= {
+				.platform_data	= &uart2_data,
+				.coherent_dma_mask = 0xffffffff,
+	},
+	.resource	= uart2_resources,
+	.num_resources	= ARRAY_SIZE(uart2_resources),
+};
+
+static inline void configure_usart2_pins(void)
+{
+	at91_set_A_periph(AT91_PIN_PA22, 0);		/* RXD2 */
+	at91_set_A_periph(AT91_PIN_PA23, 1);		/* TXD2 */
+}
+
+static struct resource uart3_resources[] = {
+	[0] = {
+		.start	= AT91RM9200_BASE_US3,
+		.end	= AT91RM9200_BASE_US3 + SZ_16K - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= AT91RM9200_ID_US3,
+		.end	= AT91RM9200_ID_US3,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct at91_uart_data uart3_data = {
+	.use_dma_tx	= 1,
+	.use_dma_rx	= 1,
+};
+
+static struct platform_device at91rm9200_uart3_device = {
+	.name		= "at91_usart",
+	.id		= 4,
+	.dev		= {
+				.platform_data	= &uart3_data,
+				.coherent_dma_mask = 0xffffffff,
+	},
+	.resource	= uart3_resources,
+	.num_resources	= ARRAY_SIZE(uart3_resources),
+};
+
+static inline void configure_usart3_pins(void)
+{
+	at91_set_B_periph(AT91_PIN_PA5, 1);		/* TXD3 */
+	at91_set_B_periph(AT91_PIN_PA6, 0);		/* RXD3 */
+}
+
+struct platform_device *at91_uarts[AT91_MAX_UART];	/* the UARTs to use */
+struct platform_device *at91_default_console_device;	/* the serial console device */
+
+void __init at91_init_serial(struct at91_uart_config *config)
+{
+	int i;
+
+	/* Fill in list of supported UARTs */
+	for (i = 0; i < config->nr_tty; i++) {
+		switch (config->tty_map[i]) {
+			case 0:
+				configure_usart0_pins();
+				at91_uarts[i] = &at91rm9200_uart0_device;
+				at91_clock_associate("usart0_clk", &at91rm9200_uart0_device.dev, "usart");
+				break;
+			case 1:
+				configure_usart1_pins();
+				at91_uarts[i] = &at91rm9200_uart1_device;
+				at91_clock_associate("usart1_clk", &at91rm9200_uart1_device.dev, "usart");
+				break;
+			case 2:
+				configure_usart2_pins();
+				at91_uarts[i] = &at91rm9200_uart2_device;
+				at91_clock_associate("usart2_clk", &at91rm9200_uart2_device.dev, "usart");
+				break;
+			case 3:
+				configure_usart3_pins();
+				at91_uarts[i] = &at91rm9200_uart3_device;
+				at91_clock_associate("usart3_clk", &at91rm9200_uart3_device.dev, "usart");
+				break;
+			case 4:
+				configure_dbgu_pins();
+				at91_uarts[i] = &at91rm9200_dbgu_device;
+				at91_clock_associate("mck", &at91rm9200_dbgu_device.dev, "usart");
+				break;
+			default:
+				continue;
+		}
+		at91_uarts[i]->id = i;		/* update ID number to mapped ID */
+	}
+
+	/* Set serial console device */
+	if (config->console_tty < AT91_MAX_UART)
+		at91_default_console_device = at91_uarts[config->console_tty];
+	if (!at91_default_console_device)
+		printk(KERN_INFO "AT91: No default serial console defined.\n");
+}
+
+void __init at91_add_device_serial(void)
+{
+	int i;
+
+	for (i = 0; i < AT91_MAX_UART; i++) {
+		if (at91_uarts[i])
+			platform_device_register(at91_uarts[i]);
+	}
+}
+#else
+void __init at91_init_serial(struct at91_uart_config *config) {}
+void __init at91_add_device_serial(void) {}
+#endif
+
+
+/* -------------------------------------------------------------------- */
+
+/*
+ * These devices are always present and don't need any board-specific
+ * setup.
+ */
+static int __init at91_add_standard_devices(void)
+{
+	at91_add_device_rtc();
+	at91_add_device_watchdog();
+	return 0;
+}
+
+arch_initcall(at91_add_standard_devices);
diff -urN -x CVS linux-2.6.18-rc4/arch/arm/mach-at91rm9200/at91rm9200_time.c linux-2.6.18-rc4-at91/arch/arm/mach-at91rm9200/at91rm9200_time.c
--- linux-2.6.18-rc4/arch/arm/mach-at91rm9200/at91rm9200_time.c	Fri Aug 25 10:49:30 2006
+++ linux-2.6.18-rc4-at91/arch/arm/mach-at91rm9200/at91rm9200_time.c	Thu Aug 10 08:49:11 2006
@@ -113,7 +113,7 @@
 	(void) at91_sys_read(AT91_ST_SR);	/* Clear any pending interrupts */
 
 	/* Make IRQs happen for the system timer */
-	setup_irq(AT91_ID_SYS, &at91rm9200_timer_irq);
+	setup_irq(AT91RM9200_ID_SYS, &at91rm9200_timer_irq);
 
 	/* Change the kernel's 'tick' value to 10009 usec. (the default is 10000) */
 	tick_usec = (LATCH * 1000000) / CLOCK_TICK_RATE;
diff -urN -x CVS linux-2.6.18-rc4/arch/arm/mach-at91rm9200/at91sam9261.c linux-2.6.18-rc4-at91/arch/arm/mach-at91rm9200/at91sam9261.c
--- linux-2.6.18-rc4/arch/arm/mach-at91rm9200/at91sam9261.c	Thu Jan  1 02:00:00 1970
+++ linux-2.6.18-rc4-at91/arch/arm/mach-at91rm9200/at91sam9261.c	Fri Aug 25 10:36:19 2006
@@ -0,0 +1,268 @@
+/*
+ * arch/arm/mach-at91rm9200/at91sam9261.c
+ *
+ *  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.
+ *
+ */
+
+#include <linux/module.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include <asm/hardware.h>
+#include <asm/arch/at91sam9261.h>
+
+#include "generic.h"
+#include "clock.h"
+
+static struct map_desc at91sam9261_io_desc[] __initdata = {
+	{
+		.virtual	= AT91_VA_BASE_SYS,
+		.pfn		= __phys_to_pfn(AT91SAM9261_BASE_SYS),
+		.length		= SZ_16K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= AT91_VA_BASE_UDP,
+		.pfn		= __phys_to_pfn(AT91SAM9261_BASE_UDP),
+		.length		= SZ_16K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= AT91_SRAM_VIRT_BASE,
+		.pfn		= __phys_to_pfn(AT91SAM9261_SRAM_BASE),
+		.length		= AT91SAM9261_SRAM_SIZE,
+		.type		= MT_DEVICE,
+	},
+};
+
+/* --------------------------------------------------------------------
+ *  Clocks
+ * -------------------------------------------------------------------- */
+
+/*
+ * The peripheral clocks.
+ */
+static struct clk udc_clk = {
+	.name		= "udc_clk",
+	.pmc_mask	= 1 << AT91SAM9261_ID_UDP,
+	.type		= CLK_TYPE_PERIPHERAL,
+};
+static struct clk ohci_clk = {
+	.name		= "ohci_clk",
+	.pmc_mask	= 1 << AT91SAM9261_ID_UHP,
+	.type		= CLK_TYPE_PERIPHERAL,
+};
+static struct clk mmc_clk = {
+	.name		= "mci_clk",
+	.pmc_mask	= 1 << AT91SAM9261_ID_MCI,
+	.type		= CLK_TYPE_PERIPHERAL,
+};
+static struct clk twi_clk = {
+	.name		= "twi_clk",
+	.pmc_mask	= 1 << AT91SAM9261_ID_TWI,
+	.type		= CLK_TYPE_PERIPHERAL,
+};
+static struct clk usart0_clk = {
+	.name		= "usart0_clk",
+	.pmc_mask	= 1 << AT91SAM9261_ID_US0,
+	.type		= CLK_TYPE_PERIPHERAL,
+};
+static struct clk usart1_clk = {
+	.name		= "usart1_clk",
+	.pmc_mask	= 1 << AT91SAM9261_ID_US1,
+	.type		= CLK_TYPE_PERIPHERAL,
+};
+static struct clk usart2_clk = {
+	.name		= "usart2_clk",
+	.pmc_mask	= 1 << AT91SAM9261_ID_US2,
+	.type		= CLK_TYPE_PERIPHERAL,
+};
+static struct clk spi0_clk = {
+	.name		= "spi0_clk",
+	.pmc_mask	= 1 << AT91SAM9261_ID_SPI0,
+	.type		= CLK_TYPE_PERIPHERAL,
+};
+static struct clk spi1_clk = {
+	.name		= "spi0_clk",
+	.pmc_mask	= 1 << AT91SAM9261_ID_SPI1,
+	.type		= CLK_TYPE_PERIPHERAL,
+};
+static struct clk pioA_clk = {
+	.name		= "pioA_clk",
+	.pmc_mask	= 1 << AT91SAM9261_ID_PIOA,
+	.type		= CLK_TYPE_PERIPHERAL,
+};
+static struct clk pioB_clk = {
+	.name		= "pioB_clk",
+	.pmc_mask	= 1 << AT91SAM9261_ID_PIOB,
+	.type		= CLK_TYPE_PERIPHERAL,
+};
+static struct clk pioC_clk = {
+	.name		= "pioC_clk",
+	.pmc_mask	= 1 << AT91SAM9261_ID_PIOC,
+	.type		= CLK_TYPE_PERIPHERAL,
+};
+static struct clk lcdc_clk = {
+	.name		= "lcdc_clk",
+	.pmc_mask	= 1 << AT91SAM9261_ID_LCDC,
+	.type		= CLK_TYPE_PERIPHERAL,
+};
+
+static struct clk *periph_clocks[] __initdata = {
+	&pioA_clk,
+	&pioB_clk,
+	&pioC_clk,
+	&usart0_clk,
+	&usart1_clk,
+	&usart2_clk,
+	&mmc_clk,
+	&udc_clk,
+	&twi_clk,
+	&spi0_clk,
+	&spi1_clk,
+	// ssc 0 .. ssc2
+	// tc0 .. tc2
+	&ohci_clk,
+	&lcdc_clk,
+	// irq0 .. irq2
+};
+
+/*
+ * The four programmable clocks.
+ * You must configure pin multiplexing to bring these signals out.
+ */
+static struct clk pck0 = {
+	.name		= "pck0",
+	.pmc_mask	= AT91_PMC_PCK0,
+	.type		= CLK_TYPE_PROGRAMMABLE,
+	.id		= 0,
+};
+static struct clk pck1 = {
+	.name		= "pck1",
+	.pmc_mask	= AT91_PMC_PCK1,
+	.type		= CLK_TYPE_PROGRAMMABLE,
+	.id		= 1,
+};
+static struct clk pck2 = {
+	.name		= "pck2",
+	.pmc_mask	= AT91_PMC_PCK2,
+	.type		= CLK_TYPE_PROGRAMMABLE,
+	.id		= 2,
+};
+static struct clk pck3 = {
+	.name		= "pck3",
+	.pmc_mask	= AT91_PMC_PCK3,
+	.type		= CLK_TYPE_PROGRAMMABLE,
+	.id		= 3,
+};
+
+static void __init at91sam9261_register_clocks(void)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(periph_clocks); i++)
+		clk_register(periph_clocks[i]);
+
+	clk_register(&pck0);
+	clk_register(&pck1);
+	clk_register(&pck2);
+	clk_register(&pck3);
+}
+
+/* --------------------------------------------------------------------
+ *  GPIO
+ * -------------------------------------------------------------------- */
+
+static struct at91_gpio_bank at91sam9261_gpio[] = {
+	{
+		.id		= AT91SAM9261_ID_PIOA,
+		.offset		= AT91_PIOA,
+		.clock		= &pioA_clk,
+	}, {
+		.id		= AT91SAM9261_ID_PIOB,
+		.offset		= AT91_PIOB,
+		.clock		= &pioB_clk,
+	}, {
+		.id		= AT91SAM9261_ID_PIOC,
+		.offset		= AT91_PIOC,
+		.clock		= &pioC_clk,
+	}
+};
+
+/* --------------------------------------------------------------------
+ *  AT91SAM9261 processor initialization
+ * -------------------------------------------------------------------- */
+
+void __init at91sam9261_initialize(unsigned long main_clock)
+{
+	/* Map peripherals */
+	iotable_init(at91sam9261_io_desc, ARRAY_SIZE(at91sam9261_io_desc));
+
+	/* Init clock subsystem */
+	at91_clock_init(main_clock);
+
+	/* Register the processor-specific clocks */
+	at91sam9261_register_clocks();
+
+	/* Register GPIO subsystem */
+	at91_gpio_init(at91sam9261_gpio, 3);
+}
+
+/* --------------------------------------------------------------------
+ *  Interrupt initialization
+ * -------------------------------------------------------------------- */
+
+/*
+ * The default interrupt priority levels (0 = lowest, 7 = highest).
+ */
+static unsigned int at91sam9261_default_irq_priority[NR_AIC_IRQS] __initdata = {
+	7,	/* Advanced Interrupt Controller */
+	7,	/* System Peripherals */
+	0,	/* Parallel IO Controller A */
+	0,	/* Parallel IO Controller B */
+	0,	/* Parallel IO Controller C */
+	0,
+	6,	/* USART 0 */
+	6,	/* USART 1 */
+	6,	/* USART 2 */
+	0,	/* Multimedia Card Interface */
+	4,	/* USB Device Port */
+	0,	/* Two-Wire Interface */
+	6,	/* Serial Peripheral Interface 0 */
+	6,	/* Serial Peripheral Interface 1 */
+	5,	/* Serial Synchronous Controller 0 */
+	5,	/* Serial Synchronous Controller 1 */
+	5,	/* Serial Synchronous Controller 2 */
+	0,	/* Timer Counter 0 */
+	0,	/* Timer Counter 1 */
+	0,	/* Timer Counter 2 */
+	3,	/* USB Host port */
+	3,	/* LCD Controller */
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,	/* Advanced Interrupt Controller */
+	0,	/* Advanced Interrupt Controller */
+	0,	/* Advanced Interrupt Controller */
+};
+
+void __init at91sam9261_init_irq(unsigned int priority[NR_AIC_IRQS])
+{
+	if (!priority)
+		priority = at91sam9261_default_irq_priority;
+
+	/* Initialize the AIC interrupt controller */
+	at91_aic_init(priority);
+
+	/* Enable GPIO interrupts */
+	at91_gpio_irq_setup();
+}
diff -urN -x CVS linux-2.6.18-rc4/arch/arm/mach-at91rm9200/at91sam9261_devices.c linux-2.6.18-rc4-at91/arch/arm/mach-at91rm9200/at91sam9261_devices.c
--- linux-2.6.18-rc4/arch/arm/mach-at91rm9200/at91sam9261_devices.c	Thu Jan  1 02:00:00 1970
+++ linux-2.6.18-rc4-at91/arch/arm/mach-at91rm9200/at91sam9261_devices.c	Sat Aug 19 17:35:20 2006
@@ -0,0 +1,678 @@
+/*
+ * arch/arm/mach-at91rm9200/at91sam9261_devices.c
+ *
+ *  Copyright (C) 2005 Thibaut VARENE <[e-mail]>
+ *  Copyright (C) 2005 David Brownell
+ *
+ * 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.
+ *
+ */
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include <linux/platform_device.h>
+
+#include <asm/hardware.h>
+#include <asm/arch/board.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/at91sam9261.h>
+
+#include "generic.h"
+
+#define SZ_512	0x00000200
+#define SZ_256	0x00000100
+#define SZ_16	0x00000010
+
+/* --------------------------------------------------------------------
+ *  USB Host
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
+static u64 ohci_dmamask = 0xffffffffUL;
+static struct at91_usbh_data usbh_data;
+
+static struct resource at91_usbh_resources[] = {
+	[0] = {
+		.start	= AT91SAM9261_UHP_BASE,
+		.end	= AT91SAM9261_UHP_BASE + SZ_1M - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= AT91SAM9261_ID_UHP,
+		.end	= AT91SAM9261_ID_UHP,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device at91rm9200_usbh_device = {
+	.name		= "at91_ohci",
+	.id		= -1,
+	.dev		= {
+				.dma_mask		= &ohci_dmamask,
+				.coherent_dma_mask	= 0xffffffff,
+				.platform_data		= &usbh_data,
+	},
+	.resource	= at91_usbh_resources,
+	.num_resources	= ARRAY_SIZE(at91_usbh_resources),
+};
+
+void __init at91_add_device_usbh(struct at91_usbh_data *data)
+{
+	if (!data)
+		return;
+
+	usbh_data = *data;
+	platform_device_register(&at91rm9200_usbh_device);
+}
+#else
+void __init at91_add_device_usbh(struct at91_usbh_data *data) {}
+#endif
+
+
+/* --------------------------------------------------------------------
+ *  USB Device (Gadget)
+ * -------------------------------------------------------------------- */
+
+#ifdef CONFIG_USB_GADGET_AT91
+static struct at91_udc_data udc_data;
+
+static struct resource at91_udc_resources[] = {
+	[0] = {
+		.start	= AT91SAM9261_BASE_UDP,
+		.end	= AT91SAM9261_BASE_UDP + SZ_16K - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= AT91SAM9261_ID_UDP,
+		.end	= AT91SAM9261_ID_UDP,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device at91rm9200_udc_device = {
+	.name		= "at91_udc",
+	.id		= -1,
+	.dev		= {
+				.platform_data		= &udc_data,
+	},
+	.resource	= at91_udc_resources,
+	.num_resources	= ARRAY_SIZE(at91_udc_resources),
+};
+
+void __init at91_add_device_udc(struct at91_udc_data *data)
+{
+	if (!data)
+		return;
+
+