include/configs/csb637.h - platform/external/u-boot - Gitiles

 /*
  * (C) Copyright 2005 REA Elektronik GmbH <www.rea.de>
  * Anders Larsen <alarsen@rea.de>
  *
  * Configuation settings for the Cogent CSB637 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 AT91C_MAIN_CLOCK	184320000	/* from 3.6864 MHz crystal (3686400 * 50) */
 #define AT91C_MASTER_CLOCK	46080000	/* (AT91C_MAIN_CLOCK/4)	peripheral clock */

 #define AT91_SLOW_CLOCK		32768	/* slow clock */

 #define CONFIG_ARM920T		1	/* This is an ARM920T Core	*/
 #define CONFIG_AT91RM9200	1	/* It's an Atmel AT91RM9200 SoC	*/
 #define CONFIG_CSB637		1	/* on a CSB637 board		*/
 #undef  CONFIG_USE_IRQ			/* we don't need IRQ/FIQ stuff	*/
 #define USE_920T_MMU		1

 #define CONFIG_CMDLINE_TAG	1	/* enable passing of ATAGs	*/
 #define CONFIG_SETUP_MEMORY_TAGS 1
 #define CONFIG_INITRD_TAG	1

 #ifndef CONFIG_SKIP_LOWLEVEL_INIT
 #define CFG_USE_MAIN_OSCILLATOR		1
 /* flash */
 #define MC_PUIA_VAL	0x00000000
 #define MC_PUP_VAL	0x00000000
 #define MC_PUER_VAL	0x00000000
 #define MC_ASR_VAL	0x00000000
 #define MC_AASR_VAL	0x00000000
 #define EBI_CFGR_VAL	0x00000000
 #define SMC2_CSR_VAL	0x00003284 /* 16bit, 2 TDF, 4 WS */

 /* clocks */
 #define PLLAR_VAL	0x2031BE01 /* 184.320000 MHz for PCK */
 #define PLLBR_VAL	0x128A3E19 /* 47.996928 MHz (divider by 2 for USB) */
 #define MCKR_VAL	0x00000302 /* PCK/4 = MCK Master Clock = 46.080000 MHz from PLLA */

 /* sdram */
 #define PIOC_ASR_VAL	0xFFFF0000 /* Configure PIOC as peripheral (D16/D31) */
 #define PIOC_BSR_VAL	0x00000000
 #define PIOC_PDR_VAL	0xFFFF0000
 #define EBI_CSA_VAL	0x00000002 /* CS1=SDRAM */
 #define SDRC_CR_VAL	0x21914159 /* set up the SDRAM */
 #define SDRAM		0x20000000 /* address of the SDRAM */
 #define SDRAM1		0x20000080 /* address of the SDRAM */
 #define SDRAM_VAL	0x00000000 /* value written to SDRAM */
 #define SDRC_MR_VAL	0x00000002 /* Precharge All */
 #define SDRC_MR_VAL1	0x00000004 /* refresh */
 #define SDRC_MR_VAL2	0x00000003 /* Load Mode Register */
 #define SDRC_MR_VAL3	0x00000000 /* Normal Mode */
 #define SDRC_TR_VAL	0x000002E0 /* Write refresh rate */
 #endif	/* CONFIG_SKIP_LOWLEVEL_INIT */
 /*
  * Size of malloc() pool
  */
 #define CFG_MALLOC_LEN	(CFG_ENV_SIZE + 128*1024)
 #define CFG_GBL_DATA_SIZE	128	/* size in bytes reserved for initial data */

 #define CONFIG_BAUDRATE 115200

 #define CFG_AT91C_BRGR_DIVISOR	75	/* hardcode so no __divsi3 : AT91C_MASTER_CLOCK / baudrate / 16 */

 /*
  * Hardware drivers
  */

 /* define one of these to choose the DBGU, USART0  or USART1 as console */
 #define CONFIG_DBGU
 #undef CONFIG_USART0
 #undef CONFIG_USART1

 #undef	CONFIG_HWFLOW			/* don't include RTS/CTS flow control support	*/

 #undef	CONFIG_MODEM_SUPPORT		/* disable modem initialization stuff */

 #define CONFIG_BOOTDELAY      3
 /* #define CONFIG_ENV_OVERWRITE	1 */


 /*
  * BOOTP options
  */
 #define CONFIG_BOOTP_BOOTFILESIZE
 #define CONFIG_BOOTP_BOOTPATH
 #define CONFIG_BOOTP_GATEWAY
 #define CONFIG_BOOTP_HOSTNAME


 /*
  * Command line configuration.
  */
 #include <config_cmd_default.h>

 #define CONFIG_CMD_JFFS2
 #define CONFIG_CMD_DHCP
 #define CONFIG_CMD_PING

 #undef CONFIG_CMD_BDI
 #undef CONFIG_CMD_IMI
 #undef CONFIG_CMD_AUTOSCRIPT
 #undef CONFIG_CMD_FPGA
 #undef CONFIG_CMD_MISC
 #undef CONFIG_CMD_LOADS


 #define CFG_MAX_NAND_DEVICE	1	/* Max number of NAND devices		*/
 #define SECTORSIZE 512

 #define ADDR_COLUMN 1
 #define ADDR_PAGE 2
 #define ADDR_COLUMN_PAGE 3

 #define NAND_ChipID_UNKNOWN	0x00
 #define NAND_MAX_FLOORS 1
 #define NAND_MAX_CHIPS 1

 #define AT91_SMART_MEDIA_ALE (1 << 22)	/* our ALE is AD22 */
 #define AT91_SMART_MEDIA_CLE (1 << 21)	/* our CLE is AD21 */

 #define NAND_DISABLE_CE(nand) do { *AT91C_PIOC_SODR = AT91C_PIO_PC0;} while(0)
 #define NAND_ENABLE_CE(nand) do { *AT91C_PIOC_CODR = AT91C_PIO_PC0;} while(0)

 #define NAND_WAIT_READY(nand) while (!(*AT91C_PIOC_PDSR & AT91C_PIO_PC2))

 #define WRITE_NAND_COMMAND(d, adr) do{ *(volatile __u8 *)((unsigned long)adr | AT91_SMART_MEDIA_CLE) = (__u8)(d); } while(0)
 #define WRITE_NAND_ADDRESS(d, adr) do{ *(volatile __u8 *)((unsigned long)adr | AT91_SMART_MEDIA_ALE) = (__u8)(d); } while(0)
 #define WRITE_NAND(d, adr) do{ *(volatile __u8 *)((unsigned long)adr) = (__u8)d; } while(0)
 #define READ_NAND(adr) ((volatile unsigned char)(*(volatile __u8 *)(unsigned long)adr))
 /* the following are NOP's in our implementation */
 #define NAND_CTL_CLRALE(nandptr)
 #define NAND_CTL_SETALE(nandptr)
 #define NAND_CTL_CLRCLE(nandptr)
 #define NAND_CTL_SETCLE(nandptr)

 #define CONFIG_NR_DRAM_BANKS 1
 #define PHYS_SDRAM			0x20000000
 #define PHYS_SDRAM_SIZE			0x4000000  /* 64 megs */

 #define CFG_MEMTEST_START		PHYS_SDRAM
 #define CFG_MEMTEST_END			CFG_MEMTEST_START + PHYS_SDRAM_SIZE - 512*1024 - 4
 #define CFG_ALT_MEMTEST			1
 #define CFG_MEMTEST_SCRATCH		CFG_MEMTEST_START + PHYS_SDRAM_SIZE - 4

 #define CONFIG_DRIVER_ETHER
 #define CONFIG_NET_RETRY_COUNT		20
 #undef CONFIG_AT91C_USE_RMII

 #undef CONFIG_HAS_DATAFLASH
 #define CFG_SPI_WRITE_TOUT		(5*CFG_HZ)
 #define CFG_MAX_DATAFLASH_BANKS 	0
 #define CFG_MAX_DATAFLASH_PAGES 	16384
 #define CFG_DATAFLASH_LOGIC_ADDR_CS0	0xC0000000	/* Logical adress for CS0 */
 #define CFG_DATAFLASH_LOGIC_ADDR_CS3	0xD0000000	/* Logical adress for CS3 */

 /*
  * FLASH Device configuration
  */
 #define PHYS_FLASH_1			0x10000000
 #define PHYS_FLASH_SIZE			0x800000  /* 8 megs main flash */
 #define CFG_FLASH_BASE			PHYS_FLASH_1
 #define CFG_FLASH_CFI		1	/* flash is CFI conformant	*/
 #define CFG_FLASH_CFI_DRIVER	1	/* use common cfi driver	*/
 #define CFG_FLASH_EMPTY_INFO
 #define CFG_FLASH_USE_BUFFER_WRITE 1	/* use buffered writes (20x faster) */
 #define CFG_MAX_FLASH_BANKS	1	/* max # of memory banks	*/
 #define CFG_FLASH_INCREMENT	0	/* there is only one bank	*/
 #define CFG_FLASH_PROTECTION	1	/* hardware flash protection	*/
 #define CFG_MAX_FLASH_SECT		64

 #define CFG_JFFS2_FIRST_BANK	0
 #define CFG_JFFS2_FIRST_SECTOR	3
 #define CFG_JFFS2_NUM_BANKS	1

 #undef	CFG_ENV_IS_IN_DATAFLASH

 #ifdef CFG_ENV_IS_IN_DATAFLASH
 #define CFG_ENV_OFFSET			0x20000
 #define CFG_ENV_ADDR			(CFG_DATAFLASH_LOGIC_ADDR_CS0 + CFG_ENV_OFFSET)
 #define CFG_ENV_SIZE			0x2000  /* 0x8000 */
 #else
 #define CFG_ENV_IS_IN_FLASH		1
 #define CFG_ENV_ADDR			(PHYS_FLASH_1 + 0x20000)  /* after u-boot.bin */
 #define CFG_ENV_SIZE			0x20000 /* sectors are 128K here */
 #endif	/* CFG_ENV_IS_IN_DATAFLASH */


 #define CFG_LOAD_ADDR		0x21000000  /* default load address */

 #define CFG_BAUDRATE_TABLE	{115200, 57600, 38400, 19200, 9600 }

 #define CFG_PROMPT		"U-Boot> "	/* Monitor Command Prompt */
 #define CFG_CBSIZE		256		/* Console I/O Buffer Size */
 #define CFG_MAXARGS		16		/* max number of command args */
 #define CFG_PBSIZE		(CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */

 #ifndef __ASSEMBLY__
 /*-----------------------------------------------------------------------
  * Board specific extension for bd_info
  *
  * This structure is embedded in the global bd_info (bd_t) structure
  * and can be used by the board specific code (eg board/...)
  */

 struct bd_info_ext {
 	/* helper variable for board environment handling
 	 *
 	 * env_crc_valid == 0    =>   uninitialised
 	 * env_crc_valid  > 0    =>   environment crc in flash is valid
 	 * env_crc_valid  < 0    =>   environment crc in flash is invalid
 	 */
 	int env_crc_valid;
 };
 #endif

 #define CFG_HZ 1000
 #define CFG_HZ_CLOCK AT91C_MASTER_CLOCK/2	/* AT91C_TC0_CMR is implicitly set to */
 					/* AT91C_TC_TIMER_DIV1_CLOCK */

 #define CONFIG_STACKSIZE	(32*1024)	/* regular stack */

 #ifdef CONFIG_USE_IRQ
 #error CONFIG_USE_IRQ not supported
 #endif

 #endif
	/*
	* (C) Copyright 2005 REA Elektronik GmbH <www.rea.de>
	* Anders Larsen <alarsen@rea.de>
	*
	* Configuation settings for the Cogent CSB637 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 AT91C_MAIN_CLOCK 184320000 /* from 3.6864 MHz crystal (3686400 * 50) */
	#define AT91C_MASTER_CLOCK 46080000 /* (AT91C_MAIN_CLOCK/4) peripheral clock */

	#define AT91_SLOW_CLOCK 32768 /* slow clock */

	#define CONFIG_ARM920T 1 /* This is an ARM920T Core */
	#define CONFIG_AT91RM9200 1 /* It's an Atmel AT91RM9200 SoC */
	#define CONFIG_CSB637 1 /* on a CSB637 board */
	#undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */
	#define USE_920T_MMU 1

	#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
	#define CONFIG_SETUP_MEMORY_TAGS 1
	#define CONFIG_INITRD_TAG 1

	#ifndef CONFIG_SKIP_LOWLEVEL_INIT
	#define CFG_USE_MAIN_OSCILLATOR 1
	/* flash */
	#define MC_PUIA_VAL 0x00000000
	#define MC_PUP_VAL 0x00000000
	#define MC_PUER_VAL 0x00000000
	#define MC_ASR_VAL 0x00000000
	#define MC_AASR_VAL 0x00000000
	#define EBI_CFGR_VAL 0x00000000
	#define SMC2_CSR_VAL 0x00003284 /* 16bit, 2 TDF, 4 WS */

	/* clocks */
	#define PLLAR_VAL 0x2031BE01 /* 184.320000 MHz for PCK */
	#define PLLBR_VAL 0x128A3E19 /* 47.996928 MHz (divider by 2 for USB) */
	#define MCKR_VAL 0x00000302 /* PCK/4 = MCK Master Clock = 46.080000 MHz from PLLA */

	/* sdram */
	#define PIOC_ASR_VAL 0xFFFF0000 /* Configure PIOC as peripheral (D16/D31) */
	#define PIOC_BSR_VAL 0x00000000
	#define PIOC_PDR_VAL 0xFFFF0000
	#define EBI_CSA_VAL 0x00000002 /* CS1=SDRAM */
	#define SDRC_CR_VAL 0x21914159 /* set up the SDRAM */
	#define SDRAM 0x20000000 /* address of the SDRAM */
	#define SDRAM1 0x20000080 /* address of the SDRAM */
	#define SDRAM_VAL 0x00000000 /* value written to SDRAM */
	#define SDRC_MR_VAL 0x00000002 /* Precharge All */
	#define SDRC_MR_VAL1 0x00000004 /* refresh */
	#define SDRC_MR_VAL2 0x00000003 /* Load Mode Register */
	#define SDRC_MR_VAL3 0x00000000 /* Normal Mode */
	#define SDRC_TR_VAL 0x000002E0 /* Write refresh rate */
	#endif /* CONFIG_SKIP_LOWLEVEL_INIT */
	/*
	* Size of malloc() pool
	*/
	#define CFG_MALLOC_LEN (CFG_ENV_SIZE + 128*1024)
	#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */

	#define CONFIG_BAUDRATE 115200

	#define CFG_AT91C_BRGR_DIVISOR 75 /* hardcode so no __divsi3 : AT91C_MASTER_CLOCK / baudrate / 16 */

	/*
	* Hardware drivers
	*/

	/* define one of these to choose the DBGU, USART0 or USART1 as console */
	#define CONFIG_DBGU
	#undef CONFIG_USART0
	#undef CONFIG_USART1

	#undef CONFIG_HWFLOW /* don't include RTS/CTS flow control support */

	#undef CONFIG_MODEM_SUPPORT /* disable modem initialization stuff */

	#define CONFIG_BOOTDELAY 3
	/* #define CONFIG_ENV_OVERWRITE 1 */


	/*
	* BOOTP options
	*/
	#define CONFIG_BOOTP_BOOTFILESIZE
	#define CONFIG_BOOTP_BOOTPATH
	#define CONFIG_BOOTP_GATEWAY
	#define CONFIG_BOOTP_HOSTNAME


	/*
	* Command line configuration.
	*/
	#include <config_cmd_default.h>

	#define CONFIG_CMD_JFFS2
	#define CONFIG_CMD_DHCP
	#define CONFIG_CMD_PING

	#undef CONFIG_CMD_BDI
	#undef CONFIG_CMD_IMI
	#undef CONFIG_CMD_AUTOSCRIPT
	#undef CONFIG_CMD_FPGA
	#undef CONFIG_CMD_MISC
	#undef CONFIG_CMD_LOADS


	#define CFG_MAX_NAND_DEVICE 1 /* Max number of NAND devices */
	#define SECTORSIZE 512

	#define ADDR_COLUMN 1
	#define ADDR_PAGE 2
	#define ADDR_COLUMN_PAGE 3

	#define NAND_ChipID_UNKNOWN 0x00
	#define NAND_MAX_FLOORS 1
	#define NAND_MAX_CHIPS 1

	#define AT91_SMART_MEDIA_ALE (1 << 22) /* our ALE is AD22 */
	#define AT91_SMART_MEDIA_CLE (1 << 21) /* our CLE is AD21 */

	#define NAND_DISABLE_CE(nand) do { *AT91C_PIOC_SODR = AT91C_PIO_PC0;} while(0)
	#define NAND_ENABLE_CE(nand) do { *AT91C_PIOC_CODR = AT91C_PIO_PC0;} while(0)

	#define NAND_WAIT_READY(nand) while (!(*AT91C_PIOC_PDSR & AT91C_PIO_PC2))

	#define WRITE_NAND_COMMAND(d, adr) do{ (volatile __u8 )((unsigned long)adr \| AT91_SMART_MEDIA_CLE) = (__u8)(d); } while(0)
	#define WRITE_NAND_ADDRESS(d, adr) do{ (volatile __u8 )((unsigned long)adr \| AT91_SMART_MEDIA_ALE) = (__u8)(d); } while(0)
	#define WRITE_NAND(d, adr) do{ (volatile __u8 )((unsigned long)adr) = (__u8)d; } while(0)
	#define READ_NAND(adr) ((volatile unsigned char)((volatile __u8 )(unsigned long)adr))
	/* the following are NOP's in our implementation */
	#define NAND_CTL_CLRALE(nandptr)
	#define NAND_CTL_SETALE(nandptr)
	#define NAND_CTL_CLRCLE(nandptr)
	#define NAND_CTL_SETCLE(nandptr)

	#define CONFIG_NR_DRAM_BANKS 1
	#define PHYS_SDRAM 0x20000000
	#define PHYS_SDRAM_SIZE 0x4000000 /* 64 megs */

	#define CFG_MEMTEST_START PHYS_SDRAM
	#define CFG_MEMTEST_END CFG_MEMTEST_START + PHYS_SDRAM_SIZE - 512*1024 - 4
	#define CFG_ALT_MEMTEST 1
	#define CFG_MEMTEST_SCRATCH CFG_MEMTEST_START + PHYS_SDRAM_SIZE - 4

	#define CONFIG_DRIVER_ETHER
	#define CONFIG_NET_RETRY_COUNT 20
	#undef CONFIG_AT91C_USE_RMII

	#undef CONFIG_HAS_DATAFLASH
	#define CFG_SPI_WRITE_TOUT (5*CFG_HZ)
	#define CFG_MAX_DATAFLASH_BANKS 0
	#define CFG_MAX_DATAFLASH_PAGES 16384
	#define CFG_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* Logical adress for CS0 */
	#define CFG_DATAFLASH_LOGIC_ADDR_CS3 0xD0000000 /* Logical adress for CS3 */

	/*
	* FLASH Device configuration
	*/
	#define PHYS_FLASH_1 0x10000000
	#define PHYS_FLASH_SIZE 0x800000 /* 8 megs main flash */
	#define CFG_FLASH_BASE PHYS_FLASH_1
	#define CFG_FLASH_CFI 1 /* flash is CFI conformant */
	#define CFG_FLASH_CFI_DRIVER 1 /* use common cfi driver */
	#define CFG_FLASH_EMPTY_INFO
	#define CFG_FLASH_USE_BUFFER_WRITE 1 /* use buffered writes (20x faster) */
	#define CFG_MAX_FLASH_BANKS 1 /* max # of memory banks */
	#define CFG_FLASH_INCREMENT 0 /* there is only one bank */
	#define CFG_FLASH_PROTECTION 1 /* hardware flash protection */
	#define CFG_MAX_FLASH_SECT 64

	#define CFG_JFFS2_FIRST_BANK 0
	#define CFG_JFFS2_FIRST_SECTOR 3
	#define CFG_JFFS2_NUM_BANKS 1

	#undef CFG_ENV_IS_IN_DATAFLASH

	#ifdef CFG_ENV_IS_IN_DATAFLASH
	#define CFG_ENV_OFFSET 0x20000
	#define CFG_ENV_ADDR (CFG_DATAFLASH_LOGIC_ADDR_CS0 + CFG_ENV_OFFSET)
	#define CFG_ENV_SIZE 0x2000 /* 0x8000 */
	#else
	#define CFG_ENV_IS_IN_FLASH 1
	#define CFG_ENV_ADDR (PHYS_FLASH_1 + 0x20000) /* after u-boot.bin */
	#define CFG_ENV_SIZE 0x20000 /* sectors are 128K here */
	#endif /* CFG_ENV_IS_IN_DATAFLASH */


	#define CFG_LOAD_ADDR 0x21000000 /* default load address */

	#define CFG_BAUDRATE_TABLE {115200, 57600, 38400, 19200, 9600 }

	#define CFG_PROMPT "U-Boot> " /* Monitor Command Prompt */
	#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
	#define CFG_MAXARGS 16 /* max number of command args */
	#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */

	#ifndef __ASSEMBLY__
	/*-----------------------------------------------------------------------
	* Board specific extension for bd_info
	*
	* This structure is embedded in the global bd_info (bd_t) structure
	* and can be used by the board specific code (eg board/...)
	*/

	struct bd_info_ext {
	/* helper variable for board environment handling
	*
	* env_crc_valid == 0 => uninitialised
	* env_crc_valid > 0 => environment crc in flash is valid
	* env_crc_valid < 0 => environment crc in flash is invalid
	*/
	int env_crc_valid;
	};
	#endif

	#define CFG_HZ 1000
	#define CFG_HZ_CLOCK AT91C_MASTER_CLOCK/2 /* AT91C_TC0_CMR is implicitly set to */
	/* AT91C_TC_TIMER_DIV1_CLOCK */

	#define CONFIG_STACKSIZE (321024) / regular stack */

	#ifdef CONFIG_USE_IRQ
	#error CONFIG_USE_IRQ not supported
	#endif

	#endif