From 877d7720f5f67793b9b6027840d2c88ea25dc4c8 Mon Sep 17 00:00:00 2001
From: Andrew Victor <andrew@sanpeople.com>
Date: Fri, 11 May 2007 20:49:56 +0100
Subject: [ARM] 4370/3: AT91: Support for Atmel AT91SAM9RL processors.

Add support for Atmel's new AT91SAM9RL range of processors.
Includes similar peripherals as other AT91SAM9 processors, but with a
High-speed USB controller and various sizes of internal SRAM.

Signed-off-by: Nicolas Ferre <nicolas.ferre@rfo.atmel.com>
Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/mach-at91/Kconfig              |   3 +
 arch/arm/mach-at91/Makefile             |   1 +
 arch/arm/mach-at91/at91sam9rl.c         | 341 +++++++++++++++++
 arch/arm/mach-at91/at91sam9rl_devices.c | 634 ++++++++++++++++++++++++++++++++
 arch/arm/mach-at91/generic.h            |   2 +
 arch/arm/mm/Kconfig                     |   4 +-
 6 files changed, 983 insertions(+), 2 deletions(-)
 create mode 100644 arch/arm/mach-at91/at91sam9rl.c
 create mode 100644 arch/arm/mach-at91/at91sam9rl_devices.c

(limited to 'arch/arm')

diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index 018d637f87fc..1ba120c5cd0c 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -17,6 +17,9 @@ config ARCH_AT91SAM9261
 config ARCH_AT91SAM9263
 	bool "AT91SAM9263"
 
+config ARCH_AT91SAM9RL
+	bool "AT91SAM9RL"
+
 endchoice
 
 # ----------------------------------------------------------
diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile
index a412ae18a421..66d79e6c68a3 100644
--- a/arch/arm/mach-at91/Makefile
+++ b/arch/arm/mach-at91/Makefile
@@ -14,6 +14,7 @@ obj-$(CONFIG_ARCH_AT91RM9200)	+= at91rm9200.o at91rm9200_time.o at91rm9200_devic
 obj-$(CONFIG_ARCH_AT91SAM9260)	+= at91sam9260.o at91sam926x_time.o at91sam9260_devices.o
 obj-$(CONFIG_ARCH_AT91SAM9261)	+= at91sam9261.o at91sam926x_time.o at91sam9261_devices.o
 obj-$(CONFIG_ARCH_AT91SAM9263)	+= at91sam9263.o at91sam926x_time.o at91sam9263_devices.o
+obj-$(CONFIG_ARCH_AT91SAM9RL)	+= at91sam9rl.o at91sam926x_time.o at91sam9rl_devices.o
 
 # AT91RM9200 board-specific support
 obj-$(CONFIG_MACH_ONEARM)	+= board-1arm.o
diff --git a/arch/arm/mach-at91/at91sam9rl.c b/arch/arm/mach-at91/at91sam9rl.c
new file mode 100644
index 000000000000..4813a35f6cf5
--- /dev/null
+++ b/arch/arm/mach-at91/at91sam9rl.c
@@ -0,0 +1,341 @@
+/*
+ * arch/arm/mach-at91/at91sam9rl.c
+ *
+ *  Copyright (C) 2005 SAN People
+ *  Copyright (C) 2007 Atmel Corporation
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file COPYING in the main directory of this archive for
+ * more details.
+ */
+
+#include <linux/module.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/at91sam9rl.h>
+#include <asm/arch/at91_pmc.h>
+#include <asm/arch/at91_rstc.h>
+
+#include "generic.h"
+#include "clock.h"
+
+static struct map_desc at91sam9rl_io_desc[] __initdata = {
+	{
+		.virtual	= AT91_VA_BASE_SYS,
+		.pfn		= __phys_to_pfn(AT91_BASE_SYS),
+		.length		= SZ_16K,
+		.type		= MT_DEVICE,
+	},
+};
+
+static struct map_desc at91sam9rl_sram_desc[] __initdata = {
+	{
+		.pfn		= __phys_to_pfn(AT91SAM9RL_SRAM_BASE),
+		.type		= MT_DEVICE,
+	}
+};
+
+/* --------------------------------------------------------------------
+ *  Clocks
+ * -------------------------------------------------------------------- */
+
+/*
+ * The peripheral clocks.
+ */
+static struct clk pioA_clk = {
+	.name		= "pioA_clk",
+	.pmc_mask	= 1 << AT91SAM9RL_ID_PIOA,
+	.type		= CLK_TYPE_PERIPHERAL,
+};
+static struct clk pioB_clk = {
+	.name		= "pioB_clk",
+	.pmc_mask	= 1 << AT91SAM9RL_ID_PIOB,
+	.type		= CLK_TYPE_PERIPHERAL,
+};
+static struct clk pioC_clk = {
+	.name		= "pioC_clk",
+	.pmc_mask	= 1 << AT91SAM9RL_ID_PIOC,
+	.type		= CLK_TYPE_PERIPHERAL,
+};
+static struct clk pioD_clk = {
+	.name		= "pioD_clk",
+	.pmc_mask	= 1 << AT91SAM9RL_ID_PIOD,
+	.type		= CLK_TYPE_PERIPHERAL,
+};
+static struct clk usart0_clk = {
+	.name		= "usart0_clk",
+	.pmc_mask	= 1 << AT91SAM9RL_ID_US0,
+	.type		= CLK_TYPE_PERIPHERAL,
+};
+static struct clk usart1_clk = {
+	.name		= "usart1_clk",
+	.pmc_mask	= 1 << AT91SAM9RL_ID_US1,
+	.type		= CLK_TYPE_PERIPHERAL,
+};
+static struct clk usart2_clk = {
+	.name		= "usart2_clk",
+	.pmc_mask	= 1 << AT91SAM9RL_ID_US2,
+	.type		= CLK_TYPE_PERIPHERAL,
+};
+static struct clk usart3_clk = {
+	.name		= "usart3_clk",
+	.pmc_mask	= 1 << AT91SAM9RL_ID_US3,
+	.type		= CLK_TYPE_PERIPHERAL,
+};
+static struct clk mmc_clk = {
+	.name		= "mci_clk",
+	.pmc_mask	= 1 << AT91SAM9RL_ID_MCI,
+	.type		= CLK_TYPE_PERIPHERAL,
+};
+static struct clk twi0_clk = {
+	.name		= "twi0_clk",
+	.pmc_mask	= 1 << AT91SAM9RL_ID_TWI0,
+	.type		= CLK_TYPE_PERIPHERAL,
+};
+static struct clk twi1_clk = {
+	.name		= "twi1_clk",
+	.pmc_mask	= 1 << AT91SAM9RL_ID_TWI1,
+	.type		= CLK_TYPE_PERIPHERAL,
+};
+static struct clk spi_clk = {
+	.name		= "spi_clk",
+	.pmc_mask	= 1 << AT91SAM9RL_ID_SPI,
+	.type		= CLK_TYPE_PERIPHERAL,
+};
+static struct clk ssc0_clk = {
+	.name		= "ssc0_clk",
+	.pmc_mask	= 1 << AT91SAM9RL_ID_SSC0,
+	.type		= CLK_TYPE_PERIPHERAL,
+};
+static struct clk ssc1_clk = {
+	.name		= "ssc1_clk",
+	.pmc_mask	= 1 << AT91SAM9RL_ID_SSC1,
+	.type		= CLK_TYPE_PERIPHERAL,
+};
+static struct clk tc0_clk = {
+	.name		= "tc0_clk",
+	.pmc_mask	= 1 << AT91SAM9RL_ID_TC0,
+	.type		= CLK_TYPE_PERIPHERAL,
+};
+static struct clk tc1_clk = {
+	.name		= "tc1_clk",
+	.pmc_mask	= 1 << AT91SAM9RL_ID_TC1,
+	.type		= CLK_TYPE_PERIPHERAL,
+};
+static struct clk tc2_clk = {
+	.name		= "tc2_clk",
+	.pmc_mask	= 1 << AT91SAM9RL_ID_TC2,
+	.type		= CLK_TYPE_PERIPHERAL,
+};
+static struct clk pwmc_clk = {
+	.name		= "pwmc_clk",
+	.pmc_mask	= 1 << AT91SAM9RL_ID_PWMC,
+	.type		= CLK_TYPE_PERIPHERAL,
+};
+static struct clk tsc_clk = {
+	.name		= "tsc_clk",
+	.pmc_mask	= 1 << AT91SAM9RL_ID_TSC,
+	.type		= CLK_TYPE_PERIPHERAL,
+};
+static struct clk dma_clk = {
+	.name		= "dma_clk",
+	.pmc_mask	= 1 << AT91SAM9RL_ID_DMA,
+	.type		= CLK_TYPE_PERIPHERAL,
+};
+static struct clk udphs_clk = {
+	.name		= "udphs_clk",
+	.pmc_mask	= 1 << AT91SAM9RL_ID_UDPHS,
+	.type		= CLK_TYPE_PERIPHERAL,
+};
+static struct clk lcdc_clk = {
+	.name		= "lcdc_clk",
+	.pmc_mask	= 1 << AT91SAM9RL_ID_LCDC,
+	.type		= CLK_TYPE_PERIPHERAL,
+};
+static struct clk ac97_clk = {
+	.name		= "ac97_clk",
+	.pmc_mask	= 1 << AT91SAM9RL_ID_AC97C,
+	.type		= CLK_TYPE_PERIPHERAL,
+};
+
+static struct clk *periph_clocks[] __initdata = {
+	&pioA_clk,
+	&pioB_clk,
+	&pioC_clk,
+	&pioD_clk,
+	&usart0_clk,
+	&usart1_clk,
+	&usart2_clk,
+	&usart3_clk,
+	&mmc_clk,
+	&twi0_clk,
+	&twi1_clk,
+	&spi_clk,
+	&ssc0_clk,
+	&ssc1_clk,
+	&tc0_clk,
+	&tc1_clk,
+	&tc2_clk,
+	&pwmc_clk,
+	&tsc_clk,
+	&dma_clk,
+	&udphs_clk,
+	&lcdc_clk,
+	&ac97_clk,
+	// irq0
+};
+
+/*
+ * The two 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 void __init at91sam9rl_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);
+}
+
+/* --------------------------------------------------------------------
+ *  GPIO
+ * -------------------------------------------------------------------- */
+
+static struct at91_gpio_bank at91sam9rl_gpio[] = {
+	{
+		.id		= AT91SAM9RL_ID_PIOA,
+		.offset		= AT91_PIOA,
+		.clock		= &pioA_clk,
+	}, {
+		.id		= AT91SAM9RL_ID_PIOB,
+		.offset		= AT91_PIOB,
+		.clock		= &pioB_clk,
+	}, {
+		.id		= AT91SAM9RL_ID_PIOC,
+		.offset		= AT91_PIOC,
+		.clock		= &pioC_clk,
+	}, {
+		.id		= AT91SAM9RL_ID_PIOD,
+		.offset		= AT91_PIOD,
+		.clock		= &pioD_clk,
+	}
+};
+
+static void at91sam9rl_reset(void)
+{
+	at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST);
+}
+
+
+/* --------------------------------------------------------------------
+ *  AT91SAM9RL processor initialization
+ * -------------------------------------------------------------------- */
+
+void __init at91sam9rl_initialize(unsigned long main_clock)
+{
+	unsigned long cidr, sram_size;
+
+	/* Map peripherals */
+	iotable_init(at91sam9rl_io_desc, ARRAY_SIZE(at91sam9rl_io_desc));
+
+	cidr = at91_sys_read(AT91_DBGU_CIDR);
+
+	switch (cidr & AT91_CIDR_SRAMSIZ) {
+		case AT91_CIDR_SRAMSIZ_32K:
+			sram_size = 2 * SZ_16K;
+			break;
+		case AT91_CIDR_SRAMSIZ_16K:
+		default:
+			sram_size = SZ_16K;
+	}
+
+	at91sam9rl_sram_desc->virtual = AT91_IO_VIRT_BASE - sram_size;
+	at91sam9rl_sram_desc->length = sram_size;
+
+	/* Map SRAM */
+	iotable_init(at91sam9rl_sram_desc, ARRAY_SIZE(at91sam9rl_sram_desc));
+
+	at91_arch_reset = at91sam9rl_reset;
+	at91_extern_irq = (1 << AT91SAM9RL_ID_IRQ0);
+
+	/* Init clock subsystem */
+	at91_clock_init(main_clock);
+
+	/* Register the processor-specific clocks */
+	at91sam9rl_register_clocks();
+
+	/* Register GPIO subsystem */
+	at91_gpio_init(at91sam9rl_gpio, 4);
+}
+
+/* --------------------------------------------------------------------
+ *  Interrupt initialization
+ * -------------------------------------------------------------------- */
+
+/*
+ * The default interrupt priority levels (0 = lowest, 7 = highest).
+ */
+static unsigned int at91sam9rl_default_irq_priority[NR_AIC_IRQS] __initdata = {
+	7,	/* Advanced Interrupt Controller */
+	7,	/* System Peripherals */
+	1,	/* Parallel IO Controller A */
+	1,	/* Parallel IO Controller B */
+	1,	/* Parallel IO Controller C */
+	1,	/* Parallel IO Controller D */
+	5,	/* USART 0 */
+	5,	/* USART 1 */
+	5,	/* USART 2 */
+	5,	/* USART 3 */
+	0,	/* Multimedia Card Interface */
+	6,	/* Two-Wire Interface 0 */
+	6,	/* Two-Wire Interface 1 */
+	5,	/* Serial Peripheral Interface */
+	4,	/* Serial Synchronous Controller 0 */
+	4,	/* Serial Synchronous Controller 1 */
+	0,	/* Timer Counter 0 */
+	0,	/* Timer Counter 1 */
+	0,	/* Timer Counter 2 */
+	0,
+	0,	/* Touch Screen Controller */
+	0,	/* DMA Controller */
+	2,	/* USB Device High speed port */
+	2,	/* LCD Controller */
+	6,	/* AC97 Controller */
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,	/* Advanced Interrupt Controller */
+};
+
+void __init at91sam9rl_init_interrupts(unsigned int priority[NR_AIC_IRQS])
+{
+	if (!priority)
+		priority = at91sam9rl_default_irq_priority;
+
+	/* Initialize the AIC interrupt controller */
+	at91_aic_init(priority);
+
+	/* Enable GPIO interrupts */
+	at91_gpio_irq_setup();
+}
diff --git a/arch/arm/mach-at91/at91sam9rl_devices.c b/arch/arm/mach-at91/at91sam9rl_devices.c
new file mode 100644
index 000000000000..e775aa65bb63
--- /dev/null
+++ b/arch/arm/mach-at91/at91sam9rl_devices.c
@@ -0,0 +1,634 @@
+/*
+ *  Copyright (C) 2007 Atmel Corporation
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file COPYING in the main directory of this archive for
+ * more details.
+ */
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include <linux/platform_device.h>
+#include <linux/fb.h>
+
+#include <video/atmel_lcdc.h>
+
+#include <asm/arch/board.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/at91sam9rl.h>
+#include <asm/arch/at91sam9rl_matrix.h>
+#include <asm/arch/at91sam926x_mc.h>
+
+#include "generic.h"
+
+#define SZ_512	0x00000200
+#define SZ_256	0x00000100
+#define SZ_16	0x00000010
+
+
+/* --------------------------------------------------------------------
+ *  MMC / SD
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_MMC_AT91) || defined(CONFIG_MMC_AT91_MODULE)
+static u64 mmc_dmamask = 0xffffffffUL;
+static struct at91_mmc_data mmc_data;
+
+static struct resource mmc_resources[] = {
+	[0] = {
+		.start	= AT91SAM9RL_BASE_MCI,
+		.end	= AT91SAM9RL_BASE_MCI + SZ_16K - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= AT91SAM9RL_ID_MCI,
+		.end	= AT91SAM9RL_ID_MCI,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device at91sam9rl_mmc_device = {
+	.name		= "at91_mci",
+	.id		= -1,
+	.dev		= {
+				.dma_mask		= &mmc_dmamask,
+				.coherent_dma_mask	= 0xffffffff,
+				.platform_data		= &mmc_data,
+	},
+	.resource	= mmc_resources,
+	.num_resources	= ARRAY_SIZE(mmc_resources),
+};
+
+void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data)
+{
+	if (!data)
+		return;
+
+	/* input/irq */
+	if (data->det_pin) {
+		at91_set_gpio_input(data->det_pin, 1);
+		at91_set_deglitch(data->det_pin, 1);
+	}
+	if (data->wp_pin)
+		at91_set_gpio_input(data->wp_pin, 1);
+	if (data->vcc_pin)
+		at91_set_gpio_output(data->vcc_pin, 0);
+
+	/* CLK */
+	at91_set_A_periph(AT91_PIN_PA2, 0);
+
+	/* CMD */
+	at91_set_A_periph(AT91_PIN_PA1, 1);
+
+	/* DAT0, maybe DAT1..DAT3 */
+	at91_set_A_periph(AT91_PIN_PA0, 1);
+	if (data->wire4) {
+		at91_set_A_periph(AT91_PIN_PA3, 1);
+		at91_set_A_periph(AT91_PIN_PA4, 1);
+		at91_set_A_periph(AT91_PIN_PA5, 1);
+	}
+
+	mmc_data = *data;
+	platform_device_register(&at91sam9rl_mmc_device);
+}
+#else
+void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) {}
+#endif
+
+
+/* --------------------------------------------------------------------
+ *  NAND / SmartMedia
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_MTD_NAND_AT91) || defined(CONFIG_MTD_NAND_AT91_MODULE)
+static struct at91_nand_data nand_data;
+
+#define NAND_BASE	AT91_CHIPSELECT_3
+
+static struct resource nand_resources[] = {
+	{
+		.start	= NAND_BASE,
+		.end	= NAND_BASE + SZ_256M - 1,
+		.flags	= IORESOURCE_MEM,
+	}
+};
+
+static struct platform_device at91_nand_device = {
+	.name		= "at91_nand",
+	.id		= -1,
+	.dev		= {
+				.platform_data	= &nand_data,
+	},
+	.resource	= nand_resources,
+	.num_resources	= ARRAY_SIZE(nand_resources),
+};
+
+void __init at91_add_device_nand(struct at91_nand_data *data)
+{
+	unsigned long csa;
+
+	if (!data)
+		return;
+
+	csa = at91_sys_read(AT91_MATRIX_EBICSA);
+	at91_sys_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_CS3A_SMC_SMARTMEDIA);
+
+	/* set the bus interface characteristics */
+	at91_sys_write(AT91_SMC_SETUP(3), AT91_SMC_NWESETUP_(0) | AT91_SMC_NCS_WRSETUP_(0)
+			| AT91_SMC_NRDSETUP_(0) | AT91_SMC_NCS_RDSETUP_(0));
+
+	at91_sys_write(AT91_SMC_PULSE(3), AT91_SMC_NWEPULSE_(2) | AT91_SMC_NCS_WRPULSE_(5)
+			| AT91_SMC_NRDPULSE_(2) | AT91_SMC_NCS_RDPULSE_(5));
+
+	at91_sys_write(AT91_SMC_CYCLE(3), AT91_SMC_NWECYCLE_(7) | AT91_SMC_NRDCYCLE_(7));
+
+	at91_sys_write(AT91_SMC_MODE(3), AT91_SMC_DBW_8 | AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_TDF_(1));
+
+	/* enable pin */
+	if (data->enable_pin)
+		at91_set_gpio_output(data->enable_pin, 1);
+
+	/* ready/busy pin */
+	if (data->rdy_pin)
+		at91_set_gpio_input(data->rdy_pin, 1);
+
+	/* card detect pin */
+	if (data->det_pin)
+		at91_set_gpio_input(data->det_pin, 1);
+
+	at91_set_A_periph(AT91_PIN_PB4, 0);		/* NANDOE */
+	at91_set_A_periph(AT91_PIN_PB5, 0);		/* NANDWE */
+
+	nand_data = *data;
+	platform_device_register(&at91_nand_device);
+}
+
+#else
+void __init at91_add_device_nand(struct at91_nand_data *data) {}
+#endif
+
+
+/* --------------------------------------------------------------------
+ *  TWI (i2c)
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE)
+
+static struct resource twi_resources[] = {
+	[0] = {
+		.start	= AT91SAM9RL_BASE_TWI0,
+		.end	= AT91SAM9RL_BASE_TWI0 + SZ_16K - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= AT91SAM9RL_ID_TWI0,
+		.end	= AT91SAM9RL_ID_TWI0,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device at91sam9rl_twi_device = {
+	.name		= "at91_i2c",
+	.id		= -1,
+	.resource	= twi_resources,
+	.num_resources	= ARRAY_SIZE(twi_resources),
+};
+
+void __init at91_add_device_i2c(void)
+{
+	/* pins used for TWI interface */
+	at91_set_A_periph(AT91_PIN_PA23, 0);		/* TWD */
+	at91_set_multi_drive(AT91_PIN_PA23, 1);
+
+	at91_set_A_periph(AT91_PIN_PA24, 0);		/* TWCK */
+	at91_set_multi_drive(AT91_PIN_PA24, 1);
+
+	platform_device_register(&at91sam9rl_twi_device);
+}
+#else
+void __init at91_add_device_i2c(void) {}
+#endif
+
+
+/* --------------------------------------------------------------------
+ *  SPI
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
+static u64 spi_dmamask = 0xffffffffUL;
+
+static struct resource spi_resources[] = {
+	[0] = {
+		.start	= AT91SAM9RL_BASE_SPI,
+		.end	= AT91SAM9RL_BASE_SPI + SZ_16K - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= AT91SAM9RL_ID_SPI,
+		.end	= AT91SAM9RL_ID_SPI,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device at91sam9rl_spi_device = {
+	.name		= "atmel_spi",
+	.id		= 0,
+	.dev		= {
+				.dma_mask		= &spi_dmamask,
+				.coherent_dma_mask	= 0xffffffff,
+	},
+	.resource	= spi_resources,
+	.num_resources	= ARRAY_SIZE(spi_resources),
+};
+
+static const unsigned spi_standard_cs[4] = { AT91_PIN_PA28, AT91_PIN_PB7, AT91_PIN_PD8, AT91_PIN_PD9 };
+
+
+void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
+{
+	int i;
+	unsigned long cs_pin;
+
+	at91_set_A_periph(AT91_PIN_PA25, 0);	/* MISO */
+	at91_set_A_periph(AT91_PIN_PA26, 0);	/* MOSI */
+	at91_set_A_periph(AT91_PIN_PA27, 0);	/* SPCK */
+
+	/* Enable SPI chip-selects */
+	for (i = 0; i < nr_devices; i++) {
+		if (devices[i].controller_data)
+			cs_pin = (unsigned long) devices[i].controller_data;
+		else
+			cs_pin = spi_standard_cs[devices[i].chip_select];
+
+		/* enable chip-select pin */
+		at91_set_gpio_output(cs_pin, 1);
+
+		/* pass chip-select pin to driver */
+		devices[i].controller_data = (void *) cs_pin;
+	}
+
+	spi_register_board_info(devices, nr_devices);
+	platform_device_register(&at91sam9rl_spi_device);
+}
+#else
+void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) {}
+#endif
+
+
+/* --------------------------------------------------------------------
+ *  LCD Controller
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
+static u64 lcdc_dmamask = 0xffffffffUL;
+static struct atmel_lcdfb_info lcdc_data;
+
+static struct resource lcdc_resources[] = {
+	[0] = {
+		.start	= AT91SAM9RL_LCDC_BASE,
+		.end	= AT91SAM9RL_LCDC_BASE + SZ_4K - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= AT91SAM9RL_ID_LCDC,
+		.end	= AT91SAM9RL_ID_LCDC,
+		.flags	= IORESOURCE_IRQ,
+	},
+#if defined(CONFIG_FB_INTSRAM)
+	[2] = {
+		.start	= AT91SAM9RL_SRAM_BASE,
+		.end	= AT91SAM9RL_SRAM_BASE + AT91SAM9RL_SRAM_SIZE - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+#endif
+};
+
+static struct platform_device at91_lcdc_device = {
+	.name		= "atmel_lcdfb",
+	.id		= 0,
+	.dev		= {
+				.dma_mask		= &lcdc_dmamask,
+				.coherent_dma_mask	= 0xffffffff,
+				.platform_data		= &lcdc_data,
+	},
+	.resource	= lcdc_resources,
+	.num_resources	= ARRAY_SIZE(lcdc_resources),
+};
+
+void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data)
+{
+	if (!data) {
+		return;
+	}
+
+	at91_set_B_periph(AT91_PIN_PC1, 0);	/* LCDPWR */
+	at91_set_A_periph(AT91_PIN_PC5, 0);	/* LCDHSYNC */
+	at91_set_A_periph(AT91_PIN_PC6, 0);	/* LCDDOTCK */
+	at91_set_A_periph(AT91_PIN_PC7, 0);	/* LCDDEN */
+	at91_set_A_periph(AT91_PIN_PC3, 0);	/* LCDCC */
+	at91_set_B_periph(AT91_PIN_PC9, 0);	/* LCDD3 */
+	at91_set_B_periph(AT91_PIN_PC10, 0);	/* LCDD4 */
+	at91_set_B_periph(AT91_PIN_PC11, 0);	/* LCDD5 */
+	at91_set_B_periph(AT91_PIN_PC12, 0);	/* LCDD6 */
+	at91_set_B_periph(AT91_PIN_PC13, 0);	/* LCDD7 */
+	at91_set_B_periph(AT91_PIN_PC15, 0);	/* LCDD11 */
+	at91_set_B_periph(AT91_PIN_PC16, 0);	/* LCDD12 */
+	at91_set_B_periph(AT91_PIN_PC17, 0);	/* LCDD13 */
+	at91_set_B_periph(AT91_PIN_PC18, 0);	/* LCDD14 */
+	at91_set_B_periph(AT91_PIN_PC19, 0);	/* LCDD15 */
+	at91_set_B_periph(AT91_PIN_PC20, 0);	/* LCDD18 */
+	at91_set_B_periph(AT91_PIN_PC21, 0);	/* LCDD19 */
+	at91_set_B_periph(AT91_PIN_PC22, 0);	/* LCDD20 */
+	at91_set_B_periph(AT91_PIN_PC23, 0);	/* LCDD21 */
+	at91_set_B_periph(AT91_PIN_PC24, 0);	/* LCDD22 */
+	at91_set_B_periph(AT91_PIN_PC25, 0);	/* LCDD23 */
+
+	lcdc_data = *data;
+	platform_device_register(&at91_lcdc_device);
+}
+#else
+void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) {}
+#endif
+
+
+/* --------------------------------------------------------------------
+ *  LEDs
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_LEDS)
+u8 at91_leds_cpu;
+u8 at91_leds_timer;
+
+void __init at91_init_leds(u8 cpu_led, u8 timer_led)
+{
+	/* Enable GPIO to access the LEDs */
+	at91_set_gpio_output(cpu_led, 1);
+	at91_set_gpio_output(timer_led, 1);
+
+	at91_leds_cpu	= cpu_led;
+	at91_leds_timer	= timer_led;
+}
+#else
+void __init at91_init_leds(u8 cpu_led, u8 timer_led) {}
+#endif
+
+
+/* --------------------------------------------------------------------
+ *  UART
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_SERIAL_ATMEL)
+static struct resource dbgu_resources[] = {
+	[0] = {
+		.start	= AT91_VA_BASE_SYS + AT91_DBGU,
+		.end	= AT91_VA_BASE_SYS + AT91_DBGU + SZ_512 - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= AT91_ID_SYS,
+		.end	= AT91_ID_SYS,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct atmel_uart_data dbgu_data = {
+	.use_dma_tx	= 0,
+	.use_dma_rx	= 0,		/* DBGU not capable of receive DMA */
+	.regs		= (void __iomem *)(AT91_VA_BASE_SYS + AT91_DBGU),
+};
+
+static struct platform_device at91sam9rl_dbgu_device = {
+	.name		= "atmel_usart",
+	.id		= 0,
+	.dev		= {
+				.platform_data	= &dbgu_data,
+				.coherent_dma_mask = 0xffffffff,
+	},
+	.resource	= dbgu_resources,
+	.num_resources	= ARRAY_SIZE(dbgu_resources),
+};
+
+static inline void configure_dbgu_pins(void)
+{
+	at91_set_A_periph(AT91_PIN_PA21, 0);		/* DRXD */
+	at91_set_A_periph(AT91_PIN_PA22, 1);		/* DTXD */
+}
+
+static struct resource uart0_resources[] = {
+	[0] = {
+		.start	= AT91SAM9RL_BASE_US0,
+		.end	= AT91SAM9RL_BASE_US0 + SZ_16K - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= AT91SAM9RL_ID_US0,
+		.end	= AT91SAM9RL_ID_US0,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct atmel_uart_data uart0_data = {
+	.use_dma_tx	= 1,
+	.use_dma_rx	= 1,
+};
+
+static struct platform_device at91sam9rl_uart0_device = {
+	.name		= "atmel_usart",
+	.id		= 1,
+	.dev		= {
+				.platform_data	= &uart0_data,
+				.coherent_dma_mask = 0xffffffff,
+	},
+	.resource	= uart0_resources,
+	.num_resources	= ARRAY_SIZE(uart0_resources),
+};
+
+static inline void configure_usart0_pins(void)
+{
+	at91_set_A_periph(AT91_PIN_PA6, 1);		/* TXD0 */
+	at91_set_A_periph(AT91_PIN_PA7, 0);		/* RXD0 */
+	at91_set_A_periph(AT91_PIN_PA9, 0);		/* RTS0 */
+	at91_set_A_periph(AT91_PIN_PA10, 0);		/* CTS0 */
+}
+
+static struct resource uart1_resources[] = {
+	[0] = {
+		.start	= AT91SAM9RL_BASE_US1,
+		.end	= AT91SAM9RL_BASE_US1 + SZ_16K - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= AT91SAM9RL_ID_US1,
+		.end	= AT91SAM9RL_ID_US1,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct atmel_uart_data uart1_data = {
+	.use_dma_tx	= 1,
+	.use_dma_rx	= 1,
+};
+
+static struct platform_device at91sam9rl_uart1_device = {
+	.name		= "atmel_usart",
+	.id		= 2,
+	.dev		= {
+				.platform_data	= &uart1_data,
+				.coherent_dma_mask = 0xffffffff,
+	},
+	.resource	= uart1_resources,
+	.num_resources	= ARRAY_SIZE(uart1_resources),
+};
+
+static inline void configure_usart1_pins(void)
+{
+	at91_set_A_periph(AT91_PIN_PA11, 1);		/* TXD1 */
+	at91_set_A_periph(AT91_PIN_PA12, 0);		/* RXD1 */
+}
+
+static struct resource uart2_resources[] = {
+	[0] = {
+		.start	= AT91SAM9RL_BASE_US2,
+		.end	= AT91SAM9RL_BASE_US2 + SZ_16K - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= AT91SAM9RL_ID_US2,
+		.end	= AT91SAM9RL_ID_US2,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct atmel_uart_data uart2_data = {
+	.use_dma_tx	= 1,
+	.use_dma_rx	= 1,
+};
+
+static struct platform_device at91sam9rl_uart2_device = {
+	.name		= "atmel_usart",
+	.id		= 3,
+	.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_PA13, 1);		/* TXD2 */
+	at91_set_A_periph(AT91_PIN_PA14, 0);		/* RXD2 */
+}
+
+static struct resource uart3_resources[] = {
+	[0] = {
+		.start	= AT91SAM9RL_BASE_US3,
+		.end	= AT91SAM9RL_BASE_US3 + SZ_16K - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= AT91SAM9RL_ID_US3,
+		.end	= AT91SAM9RL_ID_US3,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct atmel_uart_data uart3_data = {
+	.use_dma_tx	= 1,
+	.use_dma_rx	= 1,
+};
+
+static struct platform_device at91sam9rl_uart3_device = {
+	.name		= "atmel_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_A_periph(AT91_PIN_PB0, 1);		/* TXD3 */
+	at91_set_A_periph(AT91_PIN_PB1, 0);		/* RXD3 */
+}
+
+struct platform_device *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)
+{
+	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] = &at91sam9rl_uart0_device;
+				at91_clock_associate("usart0_clk", &at91sam9rl_uart0_device.dev, "usart");
+				break;
+			case 1:
+				configure_usart1_pins();
+				at91_uarts[i] = &at91sam9rl_uart1_device;
+				at91_clock_associate("usart1_clk", &at91sam9rl_uart1_device.dev, "usart");
+				break;
+			case 2:
+				configure_usart2_pins();
+				at91_uarts[i] = &at91sam9rl_uart2_device;
+				at91_clock_associate("usart2_clk", &at91sam9rl_uart2_device.dev, "usart");
+				break;
+			case 3:
+				configure_usart3_pins();
+				at91_uarts[i] = &at91sam9rl_uart3_device;
+				at91_clock_associate("usart3_clk", &at91sam9rl_uart3_device.dev, "usart");
+				break;
+			case 4:
+				configure_dbgu_pins();
+				at91_uarts[i] = &at91sam9rl_dbgu_device;
+				at91_clock_associate("mck", &at91sam9rl_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 < 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");
+}
+
+void __init at91_add_device_serial(void)
+{
+	int i;
+
+	for (i = 0; i < ATMEL_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)
+{
+	return 0;
+}
+
+arch_initcall(at91_add_standard_devices);
diff --git a/arch/arm/mach-at91/generic.h b/arch/arm/mach-at91/generic.h
index bda26221c522..68ed71a3e6c6 100644
--- a/arch/arm/mach-at91/generic.h
+++ b/arch/arm/mach-at91/generic.h
@@ -13,12 +13,14 @@ extern void __init at91rm9200_initialize(unsigned long main_clock, unsigned shor
 extern void __init at91sam9260_initialize(unsigned long main_clock);
 extern void __init at91sam9261_initialize(unsigned long main_clock);
 extern void __init at91sam9263_initialize(unsigned long main_clock);
+extern void __init at91sam9rl_initialize(unsigned long main_clock);
 
  /* Interrupts */
 extern void __init at91rm9200_init_interrupts(unsigned int priority[]);
 extern void __init at91sam9260_init_interrupts(unsigned int priority[]);
 extern void __init at91sam9261_init_interrupts(unsigned int priority[]);
 extern void __init at91sam9263_init_interrupts(unsigned int priority[]);
+extern void __init at91sam9rl_init_interrupts(unsigned int priority[]);
 extern void __init at91_aic_init(unsigned int priority[]);
 
  /* Timer */
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index 2900e59395a5..b8320a12e6b7 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -171,8 +171,8 @@ config CPU_ARM925T
 # ARM926T
 config CPU_ARM926T
 	bool "Support ARM926T processor"
-	depends on ARCH_INTEGRATOR || ARCH_VERSATILE_PB || MACH_VERSATILE_AB || ARCH_OMAP730 || ARCH_OMAP16XX || MACH_REALVIEW_EB || ARCH_PNX4008 || ARCH_NETX || CPU_S3C2412 || ARCH_AT91SAM9260 || ARCH_AT91SAM9261 || ARCH_AT91SAM9263 || ARCH_NS9XXX || ARCH_DAVINCI
-	default y if ARCH_VERSATILE_PB || MACH_VERSATILE_AB || ARCH_OMAP730 || ARCH_OMAP16XX || ARCH_PNX4008 || ARCH_NETX || CPU_S3C2412 || ARCH_AT91SAM9260 || ARCH_AT91SAM9261 || ARCH_AT91SAM9263 || ARCH_NS9XXX || ARCH_DAVINCI
+	depends on ARCH_INTEGRATOR || ARCH_VERSATILE_PB || MACH_VERSATILE_AB || ARCH_OMAP730 || ARCH_OMAP16XX || MACH_REALVIEW_EB || ARCH_PNX4008 || ARCH_NETX || CPU_S3C2412 || ARCH_AT91SAM9260 || ARCH_AT91SAM9261 || ARCH_AT91SAM9263 || ARCH_AT91SAM9RL || ARCH_NS9XXX || ARCH_DAVINCI
+	default y if ARCH_VERSATILE_PB || MACH_VERSATILE_AB || ARCH_OMAP730 || ARCH_OMAP16XX || ARCH_PNX4008 || ARCH_NETX || CPU_S3C2412 || ARCH_AT91SAM9260 || ARCH_AT91SAM9261 || ARCH_AT91SAM9263 || ARCH_AT91SAM9RL || ARCH_NS9XXX || ARCH_DAVINCI
 	select CPU_32v5
 	select CPU_ABRT_EV5TJ
 	select CPU_CACHE_VIVT
-- 
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