AT91SAM9261EK support

This patch adds support for the AT91SAM9261 chip and the AT91SAM9261EK
board.

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

4 files changed, 363 insertions, 0 deletions

diff --git a/include/asm-arm/arch-at91sam9/at91sam9261.h b/include/asm-arm/arch-at91sam9/at91sam9261.h
new file mode 100644
index 0000000..752d81d
--- /dev/null
+++ b/include/asm-arm/arch-at91sam9/at91sam9261.h
@@ -0,0 +1,105 @@
+/*
+ * [origin: Linux kernel include/asm-arm/arch-at91/at91sam9261.h]
+ *
+ * Copyright (C) SAN People
+ *
+ * Common definitions.
+ * Based on AT91SAM9261 datasheet revision E. (Preliminary)
+ *
+ * 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.
+ */
+
+#ifndef AT91SAM9261_H
+#define AT91SAM9261_H
+
+/*
+ * Peripheral identifiers/interrupts.
+ */
+#define AT91_ID_FIQ		0	/* Advanced Interrupt Controller (FIQ) */
+#define AT91_ID_SYS		1	/* System Peripherals */
+#define AT91SAM9261_ID_PIOA	2	/* Parallel IO Controller A */
+#define AT91SAM9261_ID_PIOB	3	/* Parallel IO Controller B */
+#define AT91SAM9261_ID_PIOC	4	/* Parallel IO Controller C */
+#define AT91SAM9261_ID_US0	6	/* USART 0 */
+#define AT91SAM9261_ID_US1	7	/* USART 1 */
+#define AT91SAM9261_ID_US2	8	/* USART 2 */
+#define AT91SAM9261_ID_MCI	9	/* Multimedia Card Interface */
+#define AT91SAM9261_ID_UDP	10	/* USB Device Port */
+#define AT91SAM9261_ID_TWI	11	/* Two-Wire Interface */
+#define AT91SAM9261_ID_SPI0	12	/* Serial Peripheral Interface 0 */
+#define AT91SAM9261_ID_SPI1	13	/* Serial Peripheral Interface 1 */
+#define AT91SAM9261_ID_SSC0	14	/* Serial Synchronous Controller 0 */
+#define AT91SAM9261_ID_SSC1	15	/* Serial Synchronous Controller 1 */
+#define AT91SAM9261_ID_SSC2	16	/* Serial Synchronous Controller 2 */
+#define AT91SAM9261_ID_TC0	17	/* Timer Counter 0 */
+#define AT91SAM9261_ID_TC1	18	/* Timer Counter 1 */
+#define AT91SAM9261_ID_TC2	19	/* Timer Counter 2 */
+#define AT91SAM9261_ID_UHP	20	/* USB Host port */
+#define AT91SAM9261_ID_LCDC	21	/* LDC Controller */
+#define AT91SAM9261_ID_IRQ0	29	/* Advanced Interrupt Controller (IRQ0) */
+#define AT91SAM9261_ID_IRQ1	30	/* Advanced Interrupt Controller (IRQ1) */
+#define AT91SAM9261_ID_IRQ2	31	/* Advanced Interrupt Controller (IRQ2) */
+
+
+/*
+ * User Peripheral physical base addresses.
+ */
+#define AT91SAM9261_BASE_TCB0		0xfffa0000
+#define AT91SAM9261_BASE_TC0		0xfffa0000
+#define AT91SAM9261_BASE_TC1		0xfffa0040
+#define AT91SAM9261_BASE_TC2		0xfffa0080
+#define AT91SAM9261_BASE_UDP		0xfffa4000
+#define AT91SAM9261_BASE_MCI		0xfffa8000
+#define AT91SAM9261_BASE_TWI		0xfffac000
+#define AT91SAM9261_BASE_US0		0xfffb0000
+#define AT91SAM9261_BASE_US1		0xfffb4000
+#define AT91SAM9261_BASE_US2		0xfffb8000
+#define AT91SAM9261_BASE_SSC0		0xfffbc000
+#define AT91SAM9261_BASE_SSC1		0xfffc0000
+#define AT91SAM9261_BASE_SSC2		0xfffc4000
+#define AT91SAM9261_BASE_SPI0		0xfffc8000
+#define AT91SAM9261_BASE_SPI1		0xfffcc000
+#define AT91_BASE_SYS			0xffffea00
+
+
+/*
+ * System Peripherals (offset from 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_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_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_GPBR	(0xfffffd50 - AT91_BASE_SYS)
+
+#define AT91_USART0	AT91SAM9261_BASE_US0
+#define AT91_USART1	AT91SAM9261_BASE_US1
+#define AT91_USART2	AT91SAM9261_BASE_US2
+
+
+/*
+ * Internal Memory.
+ */
+#define AT91SAM9261_SRAM_BASE	0x00300000	/* Internal SRAM base address */
+#define AT91SAM9261_SRAM_SIZE	0x00028000	/* Internal SRAM size (160Kb) */
+
+#define AT91SAM9261_ROM_BASE	0x00400000	/* Internal ROM base address */
+#define AT91SAM9261_ROM_SIZE	SZ_32K		/* Internal ROM size (32Kb) */
+
+#define AT91SAM9261_UHP_BASE	0x00500000	/* USB Host controller */
+#define AT91SAM9261_LCDC_BASE	0x00600000	/* LDC controller */
+
+
+#endif
diff --git a/include/asm-arm/arch-at91sam9/at91sam9261_matrix.h b/include/asm-arm/arch-at91sam9/at91sam9261_matrix.h
new file mode 100644
index 0000000..e2bfc4b
--- /dev/null
+++ b/include/asm-arm/arch-at91sam9/at91sam9261_matrix.h
@@ -0,0 +1,64 @@
+/*
+ * [origin: Linux kernel include/asm-arm/arch-at91/at91sam9261_matrix.h]
+ *
+ * Copyright (C) 2007 Atmel Corporation.
+ *
+ * Memory Controllers (MATRIX, EBI) - System peripherals registers.
+ * Based on AT91SAM9261 datasheet revision D.
+ *
+ * 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.
+ */
+
+#ifndef AT91SAM9261_MATRIX_H
+#define AT91SAM9261_MATRIX_H
+
+#define AT91_MATRIX_MCFG	(AT91_MATRIX + 0x00)	/* Master Configuration 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_SCFG0	(AT91_MATRIX + 0x04)	/* Slave Configuration Register 0 */
+#define AT91_MATRIX_SCFG1	(AT91_MATRIX + 0x08)	/* Slave Configuration Register 1 */
+#define AT91_MATRIX_SCFG2	(AT91_MATRIX + 0x0C)	/* Slave Configuration Register 2 */
+#define AT91_MATRIX_SCFG3	(AT91_MATRIX + 0x10)	/* Slave Configuration Register 3 */
+#define AT91_MATRIX_SCFG4	(AT91_MATRIX + 0x14)	/* Slave Configuration Register 4 */
+#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	(7    << 18)	/* Fixed Index of Default Master */
+
+#define AT91_MATRIX_TCR		(AT91_MATRIX + 0x24)	/* 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_ITCM_64		(7 << 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_DTCM_64		(7 << 4)
+
+#define AT91_MATRIX_EBICSA	(AT91_MATRIX + 0x30)	/* EBI 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_USBPUCR	(AT91_MATRIX + 0x34)	/* USB Pad Pull-Up Control Register */
+#define		AT91_MATRIX_USBPUCR_PUON	(1 << 30)	/* USB Device PAD Pull-up Enable */
+
+#endif
diff --git a/include/asm-arm/arch-at91sam9/hardware.h b/include/asm-arm/arch-at91sam9/hardware.h
index d2fe453..06bab62 100644
--- a/include/asm-arm/arch-at91sam9/hardware.h
+++ b/include/asm-arm/arch-at91sam9/hardware.h
@@ -26,6 +26,9 @@
 #define AT91_PMC_UHP	AT91SAM926x_PMC_UHP
 #elif defined(CONFIG_AT91SAM9261)
 #include <asm/arch/at91sam9261.h>
+#define AT91_BASE_SPI	AT91SAM9261_BASE_SPI0
+#define AT91_ID_UHP	AT91SAM9261_ID_UHP
+#define AT91_PMC_UHP	AT91SAM926x_PMC_UHP
 #elif defined(CONFIG_AT91SAM9263)
 #include <asm/arch/at91sam9263.h>
 #elif defined(CONFIG_AT91SAM9RL)
diff --git a/include/configs/at91sam9261ek.h b/include/configs/at91sam9261ek.h
new file mode 100644
index 0000000..96fc6af
--- /dev/null
+++ b/include/configs/at91sam9261ek.h
@@ -0,0 +1,191 @@
+/*
+ * (C) Copyright 2007-2008
+ * Stelian Pop <stelian.pop@leadtechdesign.com>
+ * Lead Tech Design <www.leadtechdesign.com>
+ *
+ * Configuation settings for the AT91SAM9261EK 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		198656000	/* from 18.432 MHz crystal */
+#define AT91_MASTER_CLOCK	99328000	/* 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_AT91SAM9261	1	/* It's an Atmel AT91SAM9261 SoC*/
+#define CONFIG_AT91SAM9261EK	1	/* on an AT91SAM9261EK 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 */
+
+/*
+ * BOOTP options
+ */
+#define CONFIG_BOOTP_BOOTFILESIZE	1
+#define CONFIG_BOOTP_BOOTPATH		1
+#define CONFIG_BOOTP_GATEWAY		1
+#define CONFIG_BOOTP_HOSTNAME		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
+
+#define CONFIG_CMD_PING		1
+#define CONFIG_CMD_DHCP		1
+#define CONFIG_CMD_NAND		1
+#define CONFIG_CMD_USB		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		2
+#define CFG_DATAFLASH_LOGIC_ADDR_CS0	0xC0000000	/* CS0 */
+#define CFG_DATAFLASH_LOGIC_ADDR_CS3	0xD0000000	/* CS3 */
+#define AT91_SPI_CLK			15000000
+#define DATAFLASH_TCSS			(0x1a << 16)
+#define DATAFLASH_TCHS			(0x1 << 24)
+
+/* NAND flash */
+#define NAND_MAX_CHIPS			1
+#define CFG_MAX_NAND_DEVICE		1
+#define CFG_NAND_BASE			0x40000000
+#define CFG_NAND_DBW_8			1
+
+/* NOR flash - no real flash on this board */
+#define CFG_NO_FLASH			1
+
+/* Ethernet */
+#define CONFIG_DRIVER_DM9000		1
+#define CONFIG_DM9000_BASE		0x30000000
+#define DM9000_IO			CONFIG_DM9000_BASE
+#define DM9000_DATA			(CONFIG_DM9000_BASE + 4)
+#define CONFIG_DM9000_USE_16BIT		1
+#define CONFIG_NET_RETRY_COUNT		20
+#define CONFIG_RESET_PHY_R		1
+
+/* USB */
+#define CONFIG_USB_OHCI_NEW		1
+#define LITTLEENDIAN			1
+#define CONFIG_DOS_PARTITION		1
+#define CFG_USB_OHCI_CPU_INIT		1
+#define CFG_USB_OHCI_REGS_BASE		0x00500000	/* AT91SAM9261_UHP_BASE */
+#define CFG_USB_OHCI_SLOT_NAME		"at91sam9261"
+#define CFG_USB_OHCI_MAX_ROOT_PORTS	2
+#define CONFIG_USB_STORAGE		1
+
+#define CFG_LOAD_ADDR			0x22000000	/* load address */
+
+#define CFG_MEMTEST_START		PHYS_SDRAM
+#define CFG_MEMTEST_END			0x23e00000
+
+#define CFG_USE_DATAFLASH_CS0		1
+#undef CFG_USE_NANDFLASH
+
+#ifdef CFG_USE_DATAFLASH_CS0
+
+/* 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