AT91SAM9RLEK support

This patch adds support for the AT91SAM9RL chip and the AT91SAM9RLEK
board.

Signed-off-by: Stelian Pop <stelian@popies.net>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

4 files changed, 377 insertions, 0 deletions

diff --git a/include/asm-arm/arch-at91sam9/at91sam9rl.h b/include/asm-arm/arch-at91sam9/at91sam9rl.h
new file mode 100644
index 0000000000..215bbc8d6a
--- /dev/null
+++ b/include/asm-arm/arch-at91sam9/at91sam9rl.h
@@ -0,0 +1,115 @@
+/*
+ * [origin: Linux kernel include/asm-arm/arch-at91/at91sam9rl.h]
+ *
+ *  Copyright (C) 2007 Atmel Corporation
+ *
+ * Common definitions.
+ * Based on AT91SAM9RL datasheet revision A. (Preliminary)
+ *
+ * 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.
+ */
+
+#ifndef AT91SAM9RL_H
+#define AT91SAM9RL_H
+
+/*
+ * Peripheral identifiers/interrupts.
+ */
+#define AT91_ID_FIQ		0	/* Advanced Interrupt Controller (FIQ) */
+#define AT91_ID_SYS		1	/* System Controller */
+#define AT91SAM9RL_ID_PIOA	2	/* Parallel IO Controller A */
+#define AT91SAM9RL_ID_PIOB	3	/* Parallel IO Controller B */
+#define AT91SAM9RL_ID_PIOC	4	/* Parallel IO Controller C */
+#define AT91SAM9RL_ID_PIOD	5	/* Parallel IO Controller D */
+#define AT91SAM9RL_ID_US0	6	/* USART 0 */
+#define AT91SAM9RL_ID_US1	7	/* USART 1 */
+#define AT91SAM9RL_ID_US2	8	/* USART 2 */
+#define AT91SAM9RL_ID_US3	9	/* USART 3 */
+#define AT91SAM9RL_ID_MCI	10	/* Multimedia Card Interface */
+#define AT91SAM9RL_ID_TWI0	11	/* TWI 0 */
+#define AT91SAM9RL_ID_TWI1	12	/* TWI 1 */
+#define AT91SAM9RL_ID_SPI	13	/* Serial Peripheral Interface */
+#define AT91SAM9RL_ID_SSC0	14	/* Serial Synchronous Controller 0 */
+#define AT91SAM9RL_ID_SSC1	15	/* Serial Synchronous Controller 1 */
+#define AT91SAM9RL_ID_TC0	16	/* Timer Counter 0 */
+#define AT91SAM9RL_ID_TC1	17	/* Timer Counter 1 */
+#define AT91SAM9RL_ID_TC2	18	/* Timer Counter 2 */
+#define AT91SAM9RL_ID_PWMC	19	/* Pulse Width Modulation Controller */
+#define AT91SAM9RL_ID_TSC	20	/* Touch Screen Controller */
+#define AT91SAM9RL_ID_DMA	21	/* DMA Controller */
+#define AT91SAM9RL_ID_UDPHS	22	/* USB Device HS */
+#define AT91SAM9RL_ID_LCDC	23	/* LCD Controller */
+#define AT91SAM9RL_ID_AC97C	24	/* AC97 Controller */
+#define AT91SAM9RL_ID_IRQ0	31	/* Advanced Interrupt Controller (IRQ0) */
+
+
+/*
+ * User Peripheral physical base addresses.
+ */
+#define AT91SAM9RL_BASE_TCB0	0xfffa0000
+#define AT91SAM9RL_BASE_TC0	0xfffa0000
+#define AT91SAM9RL_BASE_TC1	0xfffa0040
+#define AT91SAM9RL_BASE_TC2	0xfffa0080
+#define AT91SAM9RL_BASE_MCI	0xfffa4000
+#define AT91SAM9RL_BASE_TWI0	0xfffa8000
+#define AT91SAM9RL_BASE_TWI1	0xfffac000
+#define AT91SAM9RL_BASE_US0	0xfffb0000
+#define AT91SAM9RL_BASE_US1	0xfffb4000
+#define AT91SAM9RL_BASE_US2	0xfffb8000
+#define AT91SAM9RL_BASE_US3	0xfffbc000
+#define AT91SAM9RL_BASE_SSC0	0xfffc0000
+#define AT91SAM9RL_BASE_SSC1	0xfffc4000
+#define AT91SAM9RL_BASE_PWMC	0xfffc8000
+#define AT91SAM9RL_BASE_SPI	0xfffcc000
+#define AT91SAM9RL_BASE_TSC	0xfffd0000
+#define AT91SAM9RL_BASE_UDPHS	0xfffd4000
+#define AT91SAM9RL_BASE_AC97C	0xfffd8000
+#define AT91_BASE_SYS		0xffffc000
+
+
+/*
+ * System Peripherals (offset from AT91_BASE_SYS)
+ */
+#define AT91_DMA	(0xffffe600 - AT91_BASE_SYS)
+#define AT91_ECC	(0xffffe800 - AT91_BASE_SYS)
+#define AT91_SDRAMC	(0xffffea00 - AT91_BASE_SYS)
+#define AT91_SMC	(0xffffec00 - AT91_BASE_SYS)
+#define AT91_MATRIX	(0xffffee00 - AT91_BASE_SYS)
+#define AT91_CCFG	(0xffffef10 - AT91_BASE_SYS)
+#define AT91_AIC	(0xfffff000 - AT91_BASE_SYS)
+#define AT91_DBGU	(0xfffff200 - AT91_BASE_SYS)
+#define AT91_PIOA	(0xfffff400 - AT91_BASE_SYS)
+#define AT91_PIOB	(0xfffff600 - AT91_BASE_SYS)
+#define AT91_PIOC	(0xfffff800 - AT91_BASE_SYS)
+#define AT91_PIOD	(0xfffffa00 - AT91_BASE_SYS)
+#define AT91_PMC	(0xfffffc00 - AT91_BASE_SYS)
+#define AT91_RSTC	(0xfffffd00 - AT91_BASE_SYS)
+#define AT91_SHDWC	(0xfffffd10 - AT91_BASE_SYS)
+#define AT91_RTT	(0xfffffd20 - AT91_BASE_SYS)
+#define AT91_PIT	(0xfffffd30 - AT91_BASE_SYS)
+#define AT91_WDT	(0xfffffd40 - AT91_BASE_SYS)
+#define AT91_SCKCR	(0xfffffd50 - AT91_BASE_SYS)
+#define AT91_GPBR	(0xfffffd60 - AT91_BASE_SYS)
+#define AT91_RTC	(0xfffffe00 - AT91_BASE_SYS)
+
+#define AT91_USART0	AT91SAM9RL_BASE_US0
+#define AT91_USART1	AT91SAM9RL_BASE_US1
+#define AT91_USART2	AT91SAM9RL_BASE_US2
+#define AT91_USART3	AT91SAM9RL_BASE_US3
+
+
+/*
+ * Internal Memory.
+ */
+#define AT91SAM9RL_SRAM_BASE	0x00300000	/* Internal SRAM base address */
+#define AT91SAM9RL_SRAM_SIZE	SZ_16K		/* Internal SRAM size (16Kb) */
+
+#define AT91SAM9RL_ROM_BASE	0x00400000	/* Internal ROM base address */
+#define AT91SAM9RL_ROM_SIZE	(2 * SZ_16K)	/* Internal ROM size (32Kb) */
+
+#define AT91SAM9RL_LCDC_BASE	0x00500000	/* LCD Controller */
+#define AT91SAM9RL_UDPHS_BASE	0x00600000	/* USB Device HS controller */
+
+#endif
diff --git a/include/asm-arm/arch-at91sam9/at91sam9rl_matrix.h b/include/asm-arm/arch-at91sam9/at91sam9rl_matrix.h
new file mode 100644
index 0000000000..af8d914acc
--- /dev/null
+++ b/include/asm-arm/arch-at91sam9/at91sam9rl_matrix.h
@@ -0,0 +1,96 @@
+/*
+ * [origin: Linux kernel include/asm-arm/arch-at91/at91sam9rl_matrix.h]
+ *
+ *  Copyright (C) 2007 Atmel Corporation
+ *
+ * Memory Controllers (MATRIX, EBI) - System peripherals registers.
+ * Based on AT91SAM9RL datasheet revision A. (Preliminary)
+ *
+ * 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.
+ */
+
+#ifndef AT91SAM9RL_MATRIX_H
+#define AT91SAM9RL_MATRIX_H
+
+#define AT91_MATRIX_MCFG0	(AT91_MATRIX + 0x00)	/* Master Configuration Register 0 */
+#define AT91_MATRIX_MCFG1	(AT91_MATRIX + 0x04)	/* Master Configuration Register 1 */
+#define AT91_MATRIX_MCFG2	(AT91_MATRIX + 0x08)	/* Master Configuration Register 2 */
+#define AT91_MATRIX_MCFG3	(AT91_MATRIX + 0x0C)	/* Master Configuration Register 3 */
+#define AT91_MATRIX_MCFG4	(AT91_MATRIX + 0x10)	/* Master Configuration Register 4 */
+#define AT91_MATRIX_MCFG5	(AT91_MATRIX + 0x14)	/* Master Configuration Register 5 */
+#define		AT91_MATRIX_ULBT	(7 << 0)	/* Undefined Length Burst Type */
+#define			AT91_MATRIX_ULBT_INFINITE	(0 << 0)
+#define			AT91_MATRIX_ULBT_SINGLE		(1 << 0)
+#define			AT91_MATRIX_ULBT_FOUR		(2 << 0)
+#define			AT91_MATRIX_ULBT_EIGHT		(3 << 0)
+#define			AT91_MATRIX_ULBT_SIXTEEN	(4 << 0)
+
+#define AT91_MATRIX_SCFG0	(AT91_MATRIX + 0x40)	/* Slave Configuration Register 0 */
+#define AT91_MATRIX_SCFG1	(AT91_MATRIX + 0x44)	/* Slave Configuration Register 1 */
+#define AT91_MATRIX_SCFG2	(AT91_MATRIX + 0x48)	/* Slave Configuration Register 2 */
+#define AT91_MATRIX_SCFG3	(AT91_MATRIX + 0x4C)	/* Slave Configuration Register 3 */
+#define AT91_MATRIX_SCFG4	(AT91_MATRIX + 0x50)	/* Slave Configuration Register 4 */
+#define AT91_MATRIX_SCFG5	(AT91_MATRIX + 0x54)	/* Slave Configuration Register 5 */
+#define		AT91_MATRIX_SLOT_CYCLE		(0xff << 0)	/* Maximum Number of Allowed Cycles for a Burst */
+#define		AT91_MATRIX_DEFMSTR_TYPE	(3    << 16)	/* Default Master Type */
+#define			AT91_MATRIX_DEFMSTR_TYPE_NONE	(0 << 16)
+#define			AT91_MATRIX_DEFMSTR_TYPE_LAST	(1 << 16)
+#define			AT91_MATRIX_DEFMSTR_TYPE_FIXED	(2 << 16)
+#define		AT91_MATRIX_FIXED_DEFMSTR	(0xf  << 18)	/* Fixed Index of Default Master */
+#define		AT91_MATRIX_ARBT		(3    << 24)	/* Arbitration Type */
+#define			AT91_MATRIX_ARBT_ROUND_ROBIN	(0 << 24)
+#define			AT91_MATRIX_ARBT_FIXED_PRIORITY	(1 << 24)
+
+#define AT91_MATRIX_PRAS0	(AT91_MATRIX + 0x80)	/* Priority Register A for Slave 0 */
+#define AT91_MATRIX_PRAS1	(AT91_MATRIX + 0x88)	/* Priority Register A for Slave 1 */
+#define AT91_MATRIX_PRAS2	(AT91_MATRIX + 0x90)	/* Priority Register A for Slave 2 */
+#define AT91_MATRIX_PRAS3	(AT91_MATRIX + 0x98)	/* Priority Register A for Slave 3 */
+#define AT91_MATRIX_PRAS4	(AT91_MATRIX + 0xA0)	/* Priority Register A for Slave 4 */
+#define AT91_MATRIX_PRAS5	(AT91_MATRIX + 0xA8)	/* Priority Register A for Slave 5 */
+#define		AT91_MATRIX_M0PR		(3 << 0)	/* Master 0 Priority */
+#define		AT91_MATRIX_M1PR		(3 << 4)	/* Master 1 Priority */
+#define		AT91_MATRIX_M2PR		(3 << 8)	/* Master 2 Priority */
+#define		AT91_MATRIX_M3PR		(3 << 12)	/* Master 3 Priority */
+#define		AT91_MATRIX_M4PR		(3 << 16)	/* Master 4 Priority */
+#define		AT91_MATRIX_M5PR		(3 << 20)	/* Master 5 Priority */
+
+#define AT91_MATRIX_MRCR	(AT91_MATRIX + 0x100)	/* Master Remap Control Register */
+#define		AT91_MATRIX_RCB0		(1 << 0)	/* Remap Command for AHB Master 0 (ARM926EJ-S Instruction Master) */
+#define		AT91_MATRIX_RCB1		(1 << 1)	/* Remap Command for AHB Master 1 (ARM926EJ-S Data Master) */
+#define		AT91_MATRIX_RCB2		(1 << 2)
+#define		AT91_MATRIX_RCB3		(1 << 3)
+#define		AT91_MATRIX_RCB4		(1 << 4)
+#define		AT91_MATRIX_RCB5		(1 << 5)
+
+#define AT91_MATRIX_TCMR	(AT91_MATRIX + 0x114)	/* TCM Configuration Register */
+#define		AT91_MATRIX_ITCM_SIZE		(0xf << 0)	/* Size of ITCM enabled memory block */
+#define			AT91_MATRIX_ITCM_0		(0 << 0)
+#define			AT91_MATRIX_ITCM_16		(5 << 0)
+#define			AT91_MATRIX_ITCM_32		(6 << 0)
+#define		AT91_MATRIX_DTCM_SIZE		(0xf << 4)	/* Size of DTCM enabled memory block */
+#define			AT91_MATRIX_DTCM_0		(0 << 4)
+#define			AT91_MATRIX_DTCM_16		(5 << 4)
+#define			AT91_MATRIX_DTCM_32		(6 << 4)
+
+#define AT91_MATRIX_EBICSA	(AT91_MATRIX + 0x120)	/* EBI0 Chip Select Assignment Register */
+#define		AT91_MATRIX_CS1A		(1 << 1)	/* Chip Select 1 Assignment */
+#define			AT91_MATRIX_CS1A_SMC		(0 << 1)
+#define			AT91_MATRIX_CS1A_SDRAMC		(1 << 1)
+#define		AT91_MATRIX_CS3A		(1 << 3)	/* Chip Select 3 Assignment */
+#define			AT91_MATRIX_CS3A_SMC		(0 << 3)
+#define			AT91_MATRIX_CS3A_SMC_SMARTMEDIA	(1 << 3)
+#define		AT91_MATRIX_CS4A		(1 << 4)	/* Chip Select 4 Assignment */
+#define			AT91_MATRIX_CS4A_SMC		(0 << 4)
+#define			AT91_MATRIX_CS4A_SMC_CF1	(1 << 4)
+#define		AT91_MATRIX_CS5A		(1 << 5)	/* Chip Select 5 Assignment */
+#define			AT91_MATRIX_CS5A_SMC		(0 << 5)
+#define			AT91_MATRIX_CS5A_SMC_CF2	(1 << 5)
+#define		AT91_MATRIX_DBPUC		(1 << 8)	/* Data Bus Pull-up Configuration */
+#define		AT91_MATRIX_VDDIOMSEL		(1 << 16)	/* Memory voltage selection */
+#define			AT91_MATRIX_VDDIOMSEL_1_8V	(0 << 16)
+#define			AT91_MATRIX_VDDIOMSEL_3_3V	(1 << 16)
+
+
+#endif
diff --git a/include/asm-arm/arch-at91sam9/hardware.h b/include/asm-arm/arch-at91sam9/hardware.h
index 13c85afd09..e7c572d8ba 100644
--- a/include/asm-arm/arch-at91sam9/hardware.h
+++ b/include/asm-arm/arch-at91sam9/hardware.h
@@ -37,6 +37,8 @@
 #define AT91_PMC_UHP	AT91SAM926x_PMC_UHP
 #elif defined(CONFIG_AT91SAM9RL)
 #include <asm/arch/at91sam9rl.h>
+#define AT91_BASE_SPI	AT91SAM9RL_BASE_SPI
+#define AT91_ID_UHP	AT91SAM9RL_ID_UHP
 #elif defined(CONFIG_AT91CAP9)
 #include <asm/arch/at91cap9.h>
 #define AT91_BASE_EMAC	AT91CAP9_BASE_EMAC
diff --git a/include/configs/at91sam9rlek.h b/include/configs/at91sam9rlek.h
new file mode 100644
index 0000000000..773f954ddc
--- /dev/null
+++ b/include/configs/at91sam9rlek.h
@@ -0,0 +1,164 @@
+/*
+ * (C) Copyright 2007-2008
+ * Stelian Pop <stelian.pop@leadtechdesign.com>
+ * Lead Tech Design <www.leadtechdesign.com>
+ *
+ * Configuation settings for the AT91SAM9RLEK board.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/* ARM asynchronous clock */
+#define AT91_MAIN_CLOCK		200000000	/* from 12.000 MHz crystal */
+#define AT91_MASTER_CLOCK	100000000	/* peripheral = main / 2 */
+#define CFG_HZ			1000000		/* 1us resolution */
+
+#define AT91_SLOW_CLOCK		32768	/* slow clock */
+
+#define CONFIG_ARM926EJS	1	/* This is an ARM926EJS Core	*/
+#define CONFIG_AT91SAM9RL	1	/* It's an Atmel AT91SAM9RL SoC*/
+#define CONFIG_AT91SAM9RLEK	1	/* on an AT91SAM9RLEK Board	*/
+#undef CONFIG_USE_IRQ			/* we don't need IRQ/FIQ stuff	*/
+
+#define CONFIG_CMDLINE_TAG	1	/* enable passing of ATAGs	*/
+#define CONFIG_SETUP_MEMORY_TAGS 1
+#define CONFIG_INITRD_TAG	1
+
+#define CONFIG_SKIP_LOWLEVEL_INIT
+#define CONFIG_SKIP_RELOCATE_UBOOT
+
+/*
+ * Hardware drivers
+ */
+#define CONFIG_ATMEL_USART	1
+#undef CONFIG_USART0
+#undef CONFIG_USART1
+#undef CONFIG_USART2
+#define CONFIG_USART3		1	/* USART 3 is DBGU */
+
+#define CONFIG_BOOTDELAY	3
+
+/* #define CONFIG_ENV_OVERWRITE	1 */
+
+/*
+ * Command line configuration.
+ */
+#include <config_cmd_default.h>
+#undef CONFIG_CMD_BDI
+#undef CONFIG_CMD_IMI
+#undef CONFIG_CMD_AUTOSCRIPT
+#undef CONFIG_CMD_FPGA
+#undef CONFIG_CMD_LOADS
+#undef CONFIG_CMD_IMLS
+#undef CONFIG_CMD_NET
+#undef CONFIG_CMD_USB
+
+#define CONFIG_CMD_NAND		1
+
+/* SDRAM */
+#define CONFIG_NR_DRAM_BANKS		1
+#define PHYS_SDRAM			0x20000000
+#define PHYS_SDRAM_SIZE			0x04000000	/* 64 megs */
+
+/* DataFlash */
+#define CONFIG_HAS_DATAFLASH		1
+#define CFG_SPI_WRITE_TOUT		(5*CFG_HZ)
+#define CFG_MAX_DATAFLASH_BANKS		1
+#define CFG_DATAFLASH_LOGIC_ADDR_CS0	0xC0000000	/* CS0 */
+#define AT91_SPI_CLK			15000000
+#define DATAFLASH_TCSS			(0x1a << 16)
+#define DATAFLASH_TCHS			(0x1 << 24)
+
+/* NOR flash - not present */
+#define CFG_NO_FLASH			1
+
+/* NAND flash */
+#define NAND_MAX_CHIPS			1
+#define CFG_MAX_NAND_DEVICE		1
+#define CFG_NAND_BASE			0x40000000
+#define CFG_NAND_DBW_8			1
+
+/* Ethernet - not present */
+
+/* USB - not supported */
+
+#define CFG_LOAD_ADDR			0x22000000	/* load address */
+
+#define CFG_MEMTEST_START		PHYS_SDRAM
+#define CFG_MEMTEST_END			0x23e00000
+
+#define CFG_USE_DATAFLASH		1
+#undef CFG_USE_NANDFLASH
+
+#ifdef CFG_USE_DATAFLASH
+
+/* bootstrap + u-boot + env + linux in dataflash on CS0 */
+#define CFG_ENV_IS_IN_DATAFLASH	1
+#define CFG_MONITOR_BASE	(CFG_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400)
+#define CFG_ENV_OFFSET		0x4200
+#define CFG_ENV_ADDR		(CFG_DATAFLASH_LOGIC_ADDR_CS0 + CFG_ENV_OFFSET)
+#define CFG_ENV_SIZE		0x4200
+#define CONFIG_BOOTCOMMAND	"cp.b 0xC0042000 0x22000000 0x210000; bootm"
+#define CONFIG_BOOTARGS		"console=ttyS0,115200 " \
+				"root=/dev/mtdblock0 " \
+				"mtdparts=at91_nand:-(root) "\
+				"rw rootfstype=jffs2"
+
+#else /* CFG_USE_NANDFLASH */
+
+/* bootstrap + u-boot + env + linux in nandflash */
+#define CFG_ENV_IS_IN_NAND	1
+#define CFG_ENV_OFFSET		0x60000
+#define CFG_ENV_OFFSET_REDUND	0x80000
+#define CFG_ENV_SIZE		0x20000		/* 1 sector = 128 kB */
+#define CONFIG_BOOTCOMMAND	"nand read 0x22000000 0xA0000 0x200000; bootm"
+#define CONFIG_BOOTARGS		"console=ttyS0,115200 " \
+				"root=/dev/mtdblock5 " \
+				"mtdparts=at91_nand:128k(bootstrap)ro,256k(uboot)ro,128k(env1)ro,128k(env2)ro,2M(linux),-(root) " \
+				"rw rootfstype=jffs2"
+
+#endif
+
+#define CONFIG_BAUDRATE		115200
+#define CFG_BAUDRATE_TABLE	{115200 , 19200, 38400, 57600, 9600 }
+
+#define CFG_PROMPT		"U-Boot> "
+#define CFG_CBSIZE		256
+#define CFG_MAXARGS		16
+#define CFG_PBSIZE		(CFG_CBSIZE + sizeof(CFG_PROMPT) + 16)
+#define CFG_LONGHELP		1
+#define CONFIG_CMDLINE_EDITING	1
+
+#define ROUND(A, B)		(((A) + (B)) & ~((B) - 1))
+/*
+ * Size of malloc() pool
+ */
+#define CFG_MALLOC_LEN		ROUND(3 * CFG_ENV_SIZE + 128*1024, 0x1000)
+#define CFG_GBL_DATA_SIZE	128	/* 128 bytes for initial data */
+
+#define CONFIG_STACKSIZE	(32*1024)	/* regular stack */
+
+#ifdef CONFIG_USE_IRQ
+#error CONFIG_USE_IRQ not supported
+#endif
+
+#endif