X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=arch%2Farm%2Fmach-at91%2Fat91sam9263_devices.c;h=b6454c52596227a640c77b15ec3699d05fcd1b3e;hb=11aadac4f6adc032cfd1e41c348a7a568819ed94;hp=635695787f91c271be62769b6716fdebcebfd6f4;hpb=8269cc4e2b0ddcdcb9e7f2034c464ef8613737a1;p=linux-2.6-omap-h63xx.git

diff --git a/arch/arm/mach-at91/at91sam9263_devices.c b/arch/arm/mach-at91/at91sam9263_devices.c
index 635695787f9..b6454c52596 100644
--- a/arch/arm/mach-at91/at91sam9263_devices.c
+++ b/arch/arm/mach-at91/at91sam9263_devices.c
@@ -12,13 +12,18 @@
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
 
+#include <linux/dma-mapping.h>
 #include <linux/platform_device.h>
+#include <linux/i2c-gpio.h>
+
+#include <linux/fb.h>
+#include <video/atmel_lcdc.h>
 
 #include <asm/arch/board.h>
 #include <asm/arch/gpio.h>
 #include <asm/arch/at91sam9263.h>
-#include <asm/arch/at91sam926x_mc.h>
 #include <asm/arch/at91sam9263_matrix.h>
+#include <asm/arch/at91sam9_smc.h>
 
 #include "generic.h"
 
@@ -28,7 +33,7 @@
  * -------------------------------------------------------------------- */
 
 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
-static u64 ohci_dmamask = 0xffffffffUL;
+static u64 ohci_dmamask = DMA_BIT_MASK(32);
 static struct at91_usbh_data usbh_data;
 
 static struct resource usbh_resources[] = {
@@ -49,7 +54,7 @@ static struct platform_device at91_usbh_device = {
 	.id		= -1,
 	.dev		= {
 				.dma_mask		= &ohci_dmamask,
-				.coherent_dma_mask	= 0xffffffff,
+				.coherent_dma_mask	= DMA_BIT_MASK(32),
 				.platform_data		= &usbh_data,
 	},
 	.resource	= usbh_resources,
@@ -132,7 +137,7 @@ void __init at91_add_device_udc(struct at91_udc_data *data) {}
  * -------------------------------------------------------------------- */
 
 #if defined(CONFIG_MACB) || defined(CONFIG_MACB_MODULE)
-static u64 eth_dmamask = 0xffffffffUL;
+static u64 eth_dmamask = DMA_BIT_MASK(32);
 static struct at91_eth_data eth_data;
 
 static struct resource eth_resources[] = {
@@ -153,7 +158,7 @@ static struct platform_device at91sam9263_eth_device = {
 	.id		= -1,
 	.dev		= {
 				.dma_mask		= &eth_dmamask,
-				.coherent_dma_mask	= 0xffffffff,
+				.coherent_dma_mask	= DMA_BIT_MASK(32),
 				.platform_data		= &eth_data,
 	},
 	.resource	= eth_resources,
@@ -206,7 +211,7 @@ void __init at91_add_device_eth(struct at91_eth_data *data) {}
  * -------------------------------------------------------------------- */
 
 #if defined(CONFIG_MMC_AT91) || defined(CONFIG_MMC_AT91_MODULE)
-static u64 mmc_dmamask = 0xffffffffUL;
+static u64 mmc_dmamask = DMA_BIT_MASK(32);
 static struct at91_mmc_data mmc0_data, mmc1_data;
 
 static struct resource mmc0_resources[] = {
@@ -227,7 +232,7 @@ static struct platform_device at91sam9263_mmc0_device = {
 	.id		= 0,
 	.dev		= {
 				.dma_mask		= &mmc_dmamask,
-				.coherent_dma_mask	= 0xffffffff,
+				.coherent_dma_mask	= DMA_BIT_MASK(32),
 				.platform_data		= &mmc0_data,
 	},
 	.resource	= mmc0_resources,
@@ -252,7 +257,7 @@ static struct platform_device at91sam9263_mmc1_device = {
 	.id		= 1,
 	.dev		= {
 				.dma_mask		= &mmc_dmamask,
-				.coherent_dma_mask	= 0xffffffff,
+				.coherent_dma_mask	= DMA_BIT_MASK(32),
 				.platform_data		= &mmc1_data,
 	},
 	.resource	= mmc1_resources,
@@ -353,10 +358,15 @@ static struct at91_nand_data nand_data;
 #define NAND_BASE	AT91_CHIPSELECT_3
 
 static struct resource nand_resources[] = {
-	{
+	[0] = {
 		.start	= NAND_BASE,
 		.end	= NAND_BASE + SZ_256M - 1,
 		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= AT91_BASE_SYS + AT91_ECC0,
+		.end	= AT91_BASE_SYS + AT91_ECC0 + SZ_512 - 1,
+		.flags	= IORESOURCE_MEM,
 	}
 };
 
@@ -378,7 +388,7 @@ void __init at91_add_device_nand(struct at91_nand_data *data)
 		return;
 
 	csa = at91_sys_read(AT91_MATRIX_EBI0CSA);
-	at91_sys_write(AT91_MATRIX_EBI0CSA, csa | AT91_MATRIX_EBI0_CS3A_SMC);
+	at91_sys_write(AT91_MATRIX_EBI0CSA, csa | AT91_MATRIX_EBI0_CS3A_SMC_SMARTMEDIA);
 
 	/* set the bus interface characteristics */
 	at91_sys_write(AT91_SMC_SETUP(3), AT91_SMC_NWESETUP_(0) | AT91_SMC_NCS_WRSETUP_(0)
@@ -419,7 +429,40 @@ void __init at91_add_device_nand(struct at91_nand_data *data) {}
  *  TWI (i2c)
  * -------------------------------------------------------------------- */
 
-#if defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE)
+/*
+ * Prefer the GPIO code since the TWI controller isn't robust
+ * (gets overruns and underruns under load) and can only issue
+ * repeated STARTs in one scenario (the driver doesn't yet handle them).
+ */
+#if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
+
+static struct i2c_gpio_platform_data pdata = {
+	.sda_pin		= AT91_PIN_PB4,
+	.sda_is_open_drain	= 1,
+	.scl_pin		= AT91_PIN_PB5,
+	.scl_is_open_drain	= 1,
+	.udelay			= 2,		/* ~100 kHz */
+};
+
+static struct platform_device at91sam9263_twi_device = {
+	.name			= "i2c-gpio",
+	.id			= -1,
+	.dev.platform_data	= &pdata,
+};
+
+void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices)
+{
+	at91_set_GPIO_periph(AT91_PIN_PB4, 1);		/* TWD (SDA) */
+	at91_set_multi_drive(AT91_PIN_PB4, 1);
+
+	at91_set_GPIO_periph(AT91_PIN_PB5, 1);		/* TWCK (SCL) */
+	at91_set_multi_drive(AT91_PIN_PB5, 1);
+
+	i2c_register_board_info(0, devices, nr_devices);
+	platform_device_register(&at91sam9263_twi_device);
+}
+
+#elif defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE)
 
 static struct resource twi_resources[] = {
 	[0] = {
@@ -441,7 +484,7 @@ static struct platform_device at91sam9263_twi_device = {
 	.num_resources	= ARRAY_SIZE(twi_resources),
 };
 
-void __init at91_add_device_i2c(void)
+void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices)
 {
 	/* pins used for TWI interface */
 	at91_set_A_periph(AT91_PIN_PB4, 0);		/* TWD */
@@ -450,10 +493,11 @@ void __init at91_add_device_i2c(void)
 	at91_set_A_periph(AT91_PIN_PB5, 0);		/* TWCK */
 	at91_set_multi_drive(AT91_PIN_PB5, 1);
 
+	i2c_register_board_info(0, devices, nr_devices);
 	platform_device_register(&at91sam9263_twi_device);
 }
 #else
-void __init at91_add_device_i2c(void) {}
+void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) {}
 #endif
 
 
@@ -462,7 +506,7 @@ void __init at91_add_device_i2c(void) {}
  * -------------------------------------------------------------------- */
 
 #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
-static u64 spi_dmamask = 0xffffffffUL;
+static u64 spi_dmamask = DMA_BIT_MASK(32);
 
 static struct resource spi0_resources[] = {
 	[0] = {
@@ -482,7 +526,7 @@ static struct platform_device at91sam9263_spi0_device = {
 	.id		= 0,
 	.dev		= {
 				.dma_mask		= &spi_dmamask,
-				.coherent_dma_mask	= 0xffffffff,
+				.coherent_dma_mask	= DMA_BIT_MASK(32),
 	},
 	.resource	= spi0_resources,
 	.num_resources	= ARRAY_SIZE(spi0_resources),
@@ -508,7 +552,7 @@ static struct platform_device at91sam9263_spi1_device = {
 	.id		= 1,
 	.dev		= {
 				.dma_mask		= &spi_dmamask,
-				.coherent_dma_mask	= 0xffffffff,
+				.coherent_dma_mask	= DMA_BIT_MASK(32),
 	},
 	.resource	= spi1_resources,
 	.num_resources	= ARRAY_SIZE(spi1_resources),
@@ -574,7 +618,7 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
  * -------------------------------------------------------------------- */
 
 #if defined(CONFIG_SND_AT91_AC97) || defined(CONFIG_SND_AT91_AC97_MODULE)
-static u64 ac97_dmamask = 0xffffffffUL;
+static u64 ac97_dmamask = DMA_BIT_MASK(32);
 static struct atmel_ac97_data ac97_data;
 
 static struct resource ac97_resources[] = {
@@ -595,7 +639,7 @@ static struct platform_device at91sam9263_ac97_device = {
 	.id		= 1,
 	.dev		= {
 				.dma_mask		= &ac97_dmamask,
-				.coherent_dma_mask	= 0xffffffff,
+				.coherent_dma_mask	= DMA_BIT_MASK(32),
 				.platform_data		= &ac97_data,
 	},
 	.resource	= ac97_resources,
@@ -629,7 +673,7 @@ void __init at91_add_device_ac97(struct atmel_ac97_data *data) {}
  * -------------------------------------------------------------------- */
 
 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
-static u64 lcdc_dmamask = 0xffffffffUL;
+static u64 lcdc_dmamask = DMA_BIT_MASK(32);
 static struct atmel_lcdfb_info lcdc_data;
 
 static struct resource lcdc_resources[] = {
@@ -650,7 +694,7 @@ static struct platform_device at91_lcdc_device = {
 	.id		= 0,
 	.dev		= {
 				.dma_mask		= &lcdc_dmamask,
-				.coherent_dma_mask	= 0xffffffff,
+				.coherent_dma_mask	= DMA_BIT_MASK(32),
 				.platform_data		= &lcdc_data,
 	},
 	.resource	= lcdc_resources,
@@ -694,24 +738,276 @@ void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) {}
 
 
 /* --------------------------------------------------------------------
- *  LEDs
+ *  Image Sensor Interface
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_VIDEO_AT91_ISI) || defined(CONFIG_VIDEO_AT91_ISI_MODULE)
+
+struct resource isi_resources[] = {
+	[0] = {
+		.start	= AT91SAM9263_BASE_ISI,
+		.end	= AT91SAM9263_BASE_ISI + SZ_16K - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= AT91SAM9263_ID_ISI,
+		.end	= AT91SAM9263_ID_ISI,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device at91sam9263_isi_device = {
+	.name		= "at91_isi",
+	.id		= -1,
+	.resource	= isi_resources,
+	.num_resources	= ARRAY_SIZE(isi_resources),
+};
+
+void __init at91_add_device_isi(void)
+{
+	at91_set_A_periph(AT91_PIN_PE0, 0);	/* ISI_D0 */
+	at91_set_A_periph(AT91_PIN_PE1, 0);	/* ISI_D1 */
+	at91_set_A_periph(AT91_PIN_PE2, 0);	/* ISI_D2 */
+	at91_set_A_periph(AT91_PIN_PE3, 0);	/* ISI_D3 */
+	at91_set_A_periph(AT91_PIN_PE4, 0);	/* ISI_D4 */
+	at91_set_A_periph(AT91_PIN_PE5, 0);	/* ISI_D5 */
+	at91_set_A_periph(AT91_PIN_PE6, 0);	/* ISI_D6 */
+	at91_set_A_periph(AT91_PIN_PE7, 0);	/* ISI_D7 */
+	at91_set_A_periph(AT91_PIN_PE8, 0);	/* ISI_PCK */
+	at91_set_A_periph(AT91_PIN_PE9, 0);	/* ISI_HSYNC */
+	at91_set_A_periph(AT91_PIN_PE10, 0);	/* ISI_VSYNC */
+	at91_set_B_periph(AT91_PIN_PE11, 0);	/* ISI_MCK (PCK3) */
+	at91_set_B_periph(AT91_PIN_PE12, 0);	/* ISI_PD8 */
+	at91_set_B_periph(AT91_PIN_PE13, 0);	/* ISI_PD9 */
+	at91_set_B_periph(AT91_PIN_PE14, 0);	/* ISI_PD10 */
+	at91_set_B_periph(AT91_PIN_PE15, 0);	/* ISI_PD11 */
+}
+#else
+void __init at91_add_device_isi(void) {}
+#endif
+
+
+/* --------------------------------------------------------------------
+ *  Timer/Counter block
+ * -------------------------------------------------------------------- */
+
+#ifdef CONFIG_ATMEL_TCLIB
+
+static struct resource tcb_resources[] = {
+	[0] = {
+		.start	= AT91SAM9263_BASE_TCB0,
+		.end	= AT91SAM9263_BASE_TCB0 + SZ_16K - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= AT91SAM9263_ID_TCB,
+		.end	= AT91SAM9263_ID_TCB,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device at91sam9263_tcb_device = {
+	.name		= "atmel_tcb",
+	.id		= 0,
+	.resource	= tcb_resources,
+	.num_resources	= ARRAY_SIZE(tcb_resources),
+};
+
+static void __init at91_add_device_tc(void)
+{
+	/* this chip has one clock and irq for all three TC channels */
+	at91_clock_associate("tcb_clk", &at91sam9263_tcb_device.dev, "t0_clk");
+	platform_device_register(&at91sam9263_tcb_device);
+}
+#else
+static void __init at91_add_device_tc(void) { }
+#endif
+
+
+/* --------------------------------------------------------------------
+ *  RTT
+ * -------------------------------------------------------------------- */
+
+static struct resource rtt0_resources[] = {
+	{
+		.start	= AT91_BASE_SYS + AT91_RTT0,
+		.end	= AT91_BASE_SYS + AT91_RTT0 + SZ_16 - 1,
+		.flags	= IORESOURCE_MEM,
+	}
+};
+
+static struct platform_device at91sam9263_rtt0_device = {
+	.name		= "at91_rtt",
+	.id		= 0,
+	.resource	= rtt0_resources,
+	.num_resources	= ARRAY_SIZE(rtt0_resources),
+};
+
+static struct resource rtt1_resources[] = {
+	{
+		.start	= AT91_BASE_SYS + AT91_RTT1,
+		.end	= AT91_BASE_SYS + AT91_RTT1 + SZ_16 - 1,
+		.flags	= IORESOURCE_MEM,
+	}
+};
+
+static struct platform_device at91sam9263_rtt1_device = {
+	.name		= "at91_rtt",
+	.id		= 1,
+	.resource	= rtt1_resources,
+	.num_resources	= ARRAY_SIZE(rtt1_resources),
+};
+
+static void __init at91_add_device_rtt(void)
+{
+	platform_device_register(&at91sam9263_rtt0_device);
+	platform_device_register(&at91sam9263_rtt1_device);
+}
+
+
+/* --------------------------------------------------------------------
+ *  Watchdog
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_AT91SAM9_WATCHDOG) || defined(CONFIG_AT91SAM9_WATCHDOG_MODULE)
+static struct platform_device at91sam9263_wdt_device = {
+	.name		= "at91_wdt",
+	.id		= -1,
+	.num_resources	= 0,
+};
+
+static void __init at91_add_device_watchdog(void)
+{
+	platform_device_register(&at91sam9263_wdt_device);
+}
+#else
+static void __init at91_add_device_watchdog(void) {}
+#endif
+
+
+/* --------------------------------------------------------------------
+ *  SSC -- Synchronous Serial Controller
  * -------------------------------------------------------------------- */
 
-#if defined(CONFIG_LEDS)
-u8 at91_leds_cpu;
-u8 at91_leds_timer;
+#if defined(CONFIG_ATMEL_SSC) || defined(CONFIG_ATMEL_SSC_MODULE)
+static u64 ssc0_dmamask = DMA_BIT_MASK(32);
 
-void __init at91_init_leds(u8 cpu_led, u8 timer_led)
+static struct resource ssc0_resources[] = {
+	[0] = {
+		.start	= AT91SAM9263_BASE_SSC0,
+		.end	= AT91SAM9263_BASE_SSC0 + SZ_16K - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= AT91SAM9263_ID_SSC0,
+		.end	= AT91SAM9263_ID_SSC0,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device at91sam9263_ssc0_device = {
+	.name	= "ssc",
+	.id	= 0,
+	.dev	= {
+		.dma_mask		= &ssc0_dmamask,
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+	},
+	.resource	= ssc0_resources,
+	.num_resources	= ARRAY_SIZE(ssc0_resources),
+};
+
+static inline void configure_ssc0_pins(unsigned pins)
 {
-	/* Enable GPIO to access the LEDs */
-	at91_set_gpio_output(cpu_led, 1);
-	at91_set_gpio_output(timer_led, 1);
+	if (pins & ATMEL_SSC_TF)
+		at91_set_B_periph(AT91_PIN_PB0, 1);
+	if (pins & ATMEL_SSC_TK)
+		at91_set_B_periph(AT91_PIN_PB1, 1);
+	if (pins & ATMEL_SSC_TD)
+		at91_set_B_periph(AT91_PIN_PB2, 1);
+	if (pins & ATMEL_SSC_RD)
+		at91_set_B_periph(AT91_PIN_PB3, 1);
+	if (pins & ATMEL_SSC_RK)
+		at91_set_B_periph(AT91_PIN_PB4, 1);
+	if (pins & ATMEL_SSC_RF)
+		at91_set_B_periph(AT91_PIN_PB5, 1);
+}
+
+static u64 ssc1_dmamask = DMA_BIT_MASK(32);
 
-	at91_leds_cpu	= cpu_led;
-	at91_leds_timer	= timer_led;
+static struct resource ssc1_resources[] = {
+	[0] = {
+		.start	= AT91SAM9263_BASE_SSC1,
+		.end	= AT91SAM9263_BASE_SSC1 + SZ_16K - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= AT91SAM9263_ID_SSC1,
+		.end	= AT91SAM9263_ID_SSC1,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device at91sam9263_ssc1_device = {
+	.name	= "ssc",
+	.id	= 1,
+	.dev	= {
+		.dma_mask		= &ssc1_dmamask,
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+	},
+	.resource	= ssc1_resources,
+	.num_resources	= ARRAY_SIZE(ssc1_resources),
+};
+
+static inline void configure_ssc1_pins(unsigned pins)
+{
+	if (pins & ATMEL_SSC_TF)
+		at91_set_A_periph(AT91_PIN_PB6, 1);
+	if (pins & ATMEL_SSC_TK)
+		at91_set_A_periph(AT91_PIN_PB7, 1);
+	if (pins & ATMEL_SSC_TD)
+		at91_set_A_periph(AT91_PIN_PB8, 1);
+	if (pins & ATMEL_SSC_RD)
+		at91_set_A_periph(AT91_PIN_PB9, 1);
+	if (pins & ATMEL_SSC_RK)
+		at91_set_A_periph(AT91_PIN_PB10, 1);
+	if (pins & ATMEL_SSC_RF)
+		at91_set_A_periph(AT91_PIN_PB11, 1);
 }
+
+/*
+ * SSC controllers are accessed through library code, instead of any
+ * kind of all-singing/all-dancing driver.  For example one could be
+ * used by a particular I2S audio codec's driver, while another one
+ * on the same system might be used by a custom data capture driver.
+ */
+void __init at91_add_device_ssc(unsigned id, unsigned pins)
+{
+	struct platform_device *pdev;
+
+	/*
+	 * NOTE: caller is responsible for passing information matching
+	 * "pins" to whatever will be using each particular controller.
+	 */
+	switch (id) {
+	case AT91SAM9263_ID_SSC0:
+		pdev = &at91sam9263_ssc0_device;
+		configure_ssc0_pins(pins);
+		at91_clock_associate("ssc0_clk", &pdev->dev, "pclk");
+		break;
+	case AT91SAM9263_ID_SSC1:
+		pdev = &at91sam9263_ssc1_device;
+		configure_ssc1_pins(pins);
+		at91_clock_associate("ssc1_clk", &pdev->dev, "pclk");
+		break;
+	default:
+		return;
+	}
+
+	platform_device_register(pdev);
+}
+
 #else
-void __init at91_init_leds(u8 cpu_led, u8 timer_led) {}
+void __init at91_add_device_ssc(unsigned id, unsigned pins) {}
 #endif
 
 
@@ -740,12 +1036,15 @@ static struct atmel_uart_data dbgu_data = {
 	.regs		= (void __iomem *)(AT91_VA_BASE_SYS + AT91_DBGU),
 };
 
+static u64 dbgu_dmamask = DMA_BIT_MASK(32);
+
 static struct platform_device at91sam9263_dbgu_device = {
 	.name		= "atmel_usart",
 	.id		= 0,
 	.dev		= {
-				.platform_data	= &dbgu_data,
-				.coherent_dma_mask = 0xffffffff,
+				.dma_mask		= &dbgu_dmamask,
+				.coherent_dma_mask	= DMA_BIT_MASK(32),
+				.platform_data		= &dbgu_data,
 	},
 	.resource	= dbgu_resources,
 	.num_resources	= ARRAY_SIZE(dbgu_resources),
@@ -775,23 +1074,29 @@ static struct atmel_uart_data uart0_data = {
 	.use_dma_rx	= 1,
 };
 
+static u64 uart0_dmamask = DMA_BIT_MASK(32);
+
 static struct platform_device at91sam9263_uart0_device = {
 	.name		= "atmel_usart",
 	.id		= 1,
 	.dev		= {
-				.platform_data	= &uart0_data,
-				.coherent_dma_mask = 0xffffffff,
+				.dma_mask		= &uart0_dmamask,
+				.coherent_dma_mask	= DMA_BIT_MASK(32),
+				.platform_data		= &uart0_data,
 	},
 	.resource	= uart0_resources,
 	.num_resources	= ARRAY_SIZE(uart0_resources),
 };
 
-static inline void configure_usart0_pins(void)
+static inline void configure_usart0_pins(unsigned pins)
 {
 	at91_set_A_periph(AT91_PIN_PA26, 1);		/* TXD0 */
 	at91_set_A_periph(AT91_PIN_PA27, 0);		/* RXD0 */
-	at91_set_A_periph(AT91_PIN_PA28, 0);		/* RTS0 */
-	at91_set_A_periph(AT91_PIN_PA29, 0);		/* CTS0 */
+
+	if (pins & ATMEL_UART_RTS)
+		at91_set_A_periph(AT91_PIN_PA28, 0);	/* RTS0 */
+	if (pins & ATMEL_UART_CTS)
+		at91_set_A_periph(AT91_PIN_PA29, 0);	/* CTS0 */
 }
 
 static struct resource uart1_resources[] = {
@@ -812,23 +1117,29 @@ static struct atmel_uart_data uart1_data = {
 	.use_dma_rx	= 1,
 };
 
+static u64 uart1_dmamask = DMA_BIT_MASK(32);
+
 static struct platform_device at91sam9263_uart1_device = {
 	.name		= "atmel_usart",
 	.id		= 2,
 	.dev		= {
-				.platform_data	= &uart1_data,
-				.coherent_dma_mask = 0xffffffff,
+				.dma_mask		= &uart1_dmamask,
+				.coherent_dma_mask	= DMA_BIT_MASK(32),
+				.platform_data		= &uart1_data,
 	},
 	.resource	= uart1_resources,
 	.num_resources	= ARRAY_SIZE(uart1_resources),
 };
 
-static inline void configure_usart1_pins(void)
+static inline void configure_usart1_pins(unsigned pins)
 {
 	at91_set_A_periph(AT91_PIN_PD0, 1);		/* TXD1 */
 	at91_set_A_periph(AT91_PIN_PD1, 0);		/* RXD1 */
-	at91_set_B_periph(AT91_PIN_PD7, 0);		/* RTS1 */
-	at91_set_B_periph(AT91_PIN_PD8, 0);		/* CTS1 */
+
+	if (pins & ATMEL_UART_RTS)
+		at91_set_B_periph(AT91_PIN_PD7, 0);	/* RTS1 */
+	if (pins & ATMEL_UART_CTS)
+		at91_set_B_periph(AT91_PIN_PD8, 0);	/* CTS1 */
 }
 
 static struct resource uart2_resources[] = {
@@ -849,66 +1160,72 @@ static struct atmel_uart_data uart2_data = {
 	.use_dma_rx	= 1,
 };
 
+static u64 uart2_dmamask = DMA_BIT_MASK(32);
+
 static struct platform_device at91sam9263_uart2_device = {
 	.name		= "atmel_usart",
 	.id		= 3,
 	.dev		= {
-				.platform_data	= &uart2_data,
-				.coherent_dma_mask = 0xffffffff,
+				.dma_mask		= &uart2_dmamask,
+				.coherent_dma_mask	= DMA_BIT_MASK(32),
+				.platform_data		= &uart2_data,
 	},
 	.resource	= uart2_resources,
 	.num_resources	= ARRAY_SIZE(uart2_resources),
 };
 
-static inline void configure_usart2_pins(void)
+static inline void configure_usart2_pins(unsigned pins)
 {
 	at91_set_A_periph(AT91_PIN_PD2, 1);		/* TXD2 */
 	at91_set_A_periph(AT91_PIN_PD3, 0);		/* RXD2 */
-	at91_set_B_periph(AT91_PIN_PD5, 0);		/* RTS2 */
-	at91_set_B_periph(AT91_PIN_PD6, 0);		/* CTS2 */
+
+	if (pins & ATMEL_UART_RTS)
+		at91_set_B_periph(AT91_PIN_PD5, 0);	/* RTS2 */
+	if (pins & ATMEL_UART_CTS)
+		at91_set_B_periph(AT91_PIN_PD6, 0);	/* CTS2 */
 }
 
-struct platform_device *at91_uarts[ATMEL_MAX_UART];	/* the UARTs to use */
+static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART];	/* the UARTs to use */
 struct platform_device *atmel_default_console_device;	/* the serial console device */
 
-void __init at91_init_serial(struct at91_uart_config *config)
+void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins)
 {
-	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] = &at91sam9263_uart0_device;
-				at91_clock_associate("usart0_clk", &at91sam9263_uart0_device.dev, "usart");
-				break;
-			case 1:
-				configure_usart1_pins();
-				at91_uarts[i] = &at91sam9263_uart1_device;
-				at91_clock_associate("usart1_clk", &at91sam9263_uart1_device.dev, "usart");
-				break;
-			case 2:
-				configure_usart2_pins();
-				at91_uarts[i] = &at91sam9263_uart2_device;
-				at91_clock_associate("usart2_clk", &at91sam9263_uart2_device.dev, "usart");
-				break;
-			case 3:
-				configure_dbgu_pins();
-				at91_uarts[i] = &at91sam9263_dbgu_device;
-				at91_clock_associate("mck", &at91sam9263_dbgu_device.dev, "usart");
-				break;
-			default:
-				continue;
-		}
-		at91_uarts[i]->id = i;		/* update ID number to mapped ID */
+	struct platform_device *pdev;
+
+	switch (id) {
+		case 0:		/* DBGU */
+			pdev = &at91sam9263_dbgu_device;
+			configure_dbgu_pins();
+			at91_clock_associate("mck", &pdev->dev, "usart");
+			break;
+		case AT91SAM9263_ID_US0:
+			pdev = &at91sam9263_uart0_device;
+			configure_usart0_pins(pins);
+			at91_clock_associate("usart0_clk", &pdev->dev, "usart");
+			break;
+		case AT91SAM9263_ID_US1:
+			pdev = &at91sam9263_uart1_device;
+			configure_usart1_pins(pins);
+			at91_clock_associate("usart1_clk", &pdev->dev, "usart");
+			break;
+		case AT91SAM9263_ID_US2:
+			pdev = &at91sam9263_uart2_device;
+			configure_usart2_pins(pins);
+			at91_clock_associate("usart2_clk", &pdev->dev, "usart");
+			break;
+		default:
+			return;
 	}
+	pdev->id = portnr;		/* update to mapped ID */
 
-	/* Set serial console device */
-	if (config->console_tty < ATMEL_MAX_UART)
-		atmel_default_console_device = at91_uarts[config->console_tty];
-	if (!atmel_default_console_device)
-		printk(KERN_INFO "AT91: No default serial console defined.\n");
+	if (portnr < ATMEL_MAX_UART)
+		at91_uarts[portnr] = pdev;
+}
+
+void __init at91_set_serial_console(unsigned portnr)
+{
+	if (portnr < ATMEL_MAX_UART)
+		atmel_default_console_device = at91_uarts[portnr];
 }
 
 void __init at91_add_device_serial(void)
@@ -919,9 +1236,13 @@ void __init at91_add_device_serial(void)
 		if (at91_uarts[i])
 			platform_device_register(at91_uarts[i]);
 	}
+
+	if (!atmel_default_console_device)
+		printk(KERN_INFO "AT91: No default serial console defined.\n");
 }
 #else
-void __init at91_init_serial(struct at91_uart_config *config) {}
+void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {}
+void __init at91_set_serial_console(unsigned portnr) {}
 void __init at91_add_device_serial(void) {}
 #endif
 
@@ -933,6 +1254,9 @@ void __init at91_add_device_serial(void) {}
  */
 static int __init at91_add_standard_devices(void)
 {
+	at91_add_device_rtt();
+	at91_add_device_watchdog();
+	at91_add_device_tc();
 	return 0;
 }