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

 /*
  * (C) Copyright 2000-2005
  * Stefan Roese, DENX Software Engineering, sr@denx.de.
  *
  * 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
  */

 /*
  * board/config.h - configuration options, board specific
  */

 #ifndef __CONFIG_H
 #define __CONFIG_H

 /*
  * High Level Configuration Options
  * (easy to change)
  */

 #define CONFIG_405GP		1	/* This is a PPC405 CPU		*/
 #define CONFIG_4xx		1	/* ...member of PPC4xx family	*/
 #define CONFIG_WALNUT		1	/* ...on a WALNUT board		*/
 					/* ...and on a SYCAMORE board	*/

 /*
  * Include common defines/options for all AMCC eval boards
  */
 #define CONFIG_HOSTNAME		walnut
 #include "amcc-common.h"

 #define CONFIG_BOARD_EARLY_INIT_F 1	/* Call board_early_init_f	*/

 #define CONFIG_SYS_CLK_FREQ	33333333 /* external frequency to pll	*/

 /*
  * Default environment variables
  */
 #define	CONFIG_EXTRA_ENV_SETTINGS					\
 	CONFIG_AMCC_DEF_ENV						\
 	CONFIG_AMCC_DEF_ENV_POWERPC					\
 	CONFIG_AMCC_DEF_ENV_PPC_OLD					\
 	CONFIG_AMCC_DEF_ENV_NOR_UPD					\
 	"kernel_addr=fff80000\0"					\
 	"ramdisk_addr=fff80000\0"					\
 	""

 #define CONFIG_PHY_ADDR		1	/* PHY address			*/
 #define CONFIG_HAS_ETH0		1

 #define CONFIG_RTC_DS174x	1	/* use DS1743 RTC in Walnut	*/

 /*
  * Commands additional to the ones defined in amcc-common.h
  */
 #define CONFIG_CMD_DATE
 #define CONFIG_CMD_PCI
 #define CONFIG_CMD_SDRAM
 #define CONFIG_CMD_SNTP

 #define CONFIG_SPD_EEPROM      1       /* use SPD EEPROM for setup    */

 /*
  * If CFG_EXT_SERIAL_CLOCK, then the UART divisor is 1.
  * If CFG_405_UART_ERRATA_59, then UART divisor is 31.
  * Otherwise, UART divisor is determined by CPU Clock and CFG_BASE_BAUD value.
  * The Linux BASE_BAUD define should match this configuration.
  *    baseBaud = cpuClock/(uartDivisor*16)
  * If CFG_405_UART_ERRATA_59 and 200MHz CPU clock,
  * set Linux BASE_BAUD to 403200.
  */
 #undef	CONFIG_SERIAL_SOFTWARE_FIFO
 #undef	CFG_EXT_SERIAL_CLOCK	       /* external serial clock */
 #undef	CFG_405_UART_ERRATA_59	       /* 405GP/CR Rev. D silicon */
 #define CFG_BASE_BAUD	    691200

 /*-----------------------------------------------------------------------
  * I2C stuff
  *-----------------------------------------------------------------------
  */
 #define CFG_I2C_SPEED		400000	/* I2C speed and slave address	*/

 #define CFG_I2C_MULTI_EEPROMS
 #define CFG_I2C_EEPROM_ADDR	(0xa8>>1)
 #define CFG_I2C_EEPROM_ADDR_LEN 1
 #define CFG_EEPROM_PAGE_WRITE_ENABLE
 #define CFG_EEPROM_PAGE_WRITE_BITS 3
 #define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10

 /*-----------------------------------------------------------------------
  * PCI stuff
  *-----------------------------------------------------------------------
  */
 #define PCI_HOST_ADAPTER 0		/* configure ar pci adapter	*/
 #define PCI_HOST_FORCE	1		/* configure as pci host	*/
 #define PCI_HOST_AUTO	2		/* detected via arbiter enable	*/

 #define CONFIG_PCI			/* include pci support		*/
 #define CONFIG_PCI_HOST PCI_HOST_FORCE	/* select pci host function	*/
 #define CONFIG_PCI_PNP			/* do pci plug-and-play		*/
 					/* resource configuration	*/
 #define CONFIG_PCI_SCAN_SHOW		/* show pci devices on startup	*/

 #define CFG_PCI_SUBSYS_VENDORID 0x10e8	/* AMCC */
 #define CFG_PCI_SUBSYS_DEVICEID 0xcafe	/* Whatever */
 #define CFG_PCI_PTM1LA	0x00000000	/* point to sdram		*/
 #define CFG_PCI_PTM1MS	0x80000001	/* 2GB, enable hard-wired to 1	*/
 #define CFG_PCI_PTM1PCI 0x00000000	/* Host: use this pci address	*/
 #define CFG_PCI_PTM2LA	0x00000000	/* disabled			*/
 #define CFG_PCI_PTM2MS	0x00000000	/* disabled			*/
 #define CFG_PCI_PTM2PCI 0x04000000	/* Host: use this pci address	*/

 /*-----------------------------------------------------------------------
  * Start addresses for the final memory configuration
  * (Set up by the startup code)
  */
 #define CFG_FLASH_BASE		0xFFF80000

 /*
  * Define here the location of the environment variables (FLASH or NVRAM).
  * Note: DENX encourages to use redundant environment in FLASH. NVRAM is only
  *	 supported for backward compatibility.
  */
 #if 1
 #define CFG_ENV_IS_IN_FLASH	1	/* use FLASH for environment vars	*/
 #else
 #define CONFIG_ENV_IS_IN_NVRAM	1	/* use NVRAM for environment vars	*/
 #endif

 /*-----------------------------------------------------------------------
  * FLASH organization
  */
 #define FLASH_BASE0_PRELIM	CFG_FLASH_BASE	/* FLASH bank #0		*/
 #define FLASH_BASE1_PRELIM	0		/* FLASH bank #1		*/

 #define CFG_MAX_FLASH_BANKS	1	/* max number of memory banks		*/
 #define CFG_MAX_FLASH_SECT	256	/* max number of sectors on one chip	*/

 #define CFG_FLASH_ERASE_TOUT	120000	/* Timeout for Flash Erase (in ms)	*/
 #define CFG_FLASH_WRITE_TOUT	500	/* Timeout for Flash Write (in ms)	*/

 #define CFG_FLASH_EMPTY_INFO		/* print 'E' for empty sector on flinfo */

 #define CFG_FLASH_ADDR0		0x5555
 #define CFG_FLASH_ADDR1		0x2aaa
 #define CFG_FLASH_WORD_SIZE	unsigned char

 #ifdef CFG_ENV_IS_IN_FLASH
 #define CFG_ENV_SECT_SIZE	0x10000		/* size of one complete sector	*/
 #define CFG_ENV_ADDR		(CFG_MONITOR_BASE-CFG_ENV_SECT_SIZE)
 #define CFG_ENV_SIZE		0x4000	/* Total Size of Environment Sector	*/

 /* Address and size of Redundant Environment Sector	*/
 #define CFG_ENV_ADDR_REDUND	(CFG_ENV_ADDR-CFG_ENV_SECT_SIZE)
 #define CFG_ENV_SIZE_REDUND	(CFG_ENV_SIZE)
 #endif /* CFG_ENV_IS_IN_FLASH */

 /*-----------------------------------------------------------------------
  * NVRAM organization
  */
 #define CFG_NVRAM_BASE_ADDR	0xf0000000	/* NVRAM base address	*/
 #define CFG_NVRAM_SIZE		0x1ff8		/* NVRAM size	*/

 #ifdef CONFIG_ENV_IS_IN_NVRAM
 #define CFG_ENV_SIZE		0x1000		/* Size of Environment vars	*/
 #define CFG_ENV_ADDR		\
 	(CFG_NVRAM_BASE_ADDR+CFG_NVRAM_SIZE-CFG_ENV_SIZE)	/* Env	*/
 #endif

 /*-----------------------------------------------------------------------
  * External Bus Controller (EBC) Setup
  */

 /* Memory Bank 0 (Flash Bank 0) initialization					*/
 #define CFG_EBC_PB0AP		0x9B015480
 #define CFG_EBC_PB0CR		0xFFF18000  /* BAS=0xFFF,BS=1MB,BU=R/W,BW=8bit	*/

 #define CFG_EBC_PB1AP		0x02815480
 #define CFG_EBC_PB1CR		0xF0018000  /* BAS=0xF00,BS=1MB,BU=R/W,BW=8bit	*/

 #define CFG_EBC_PB2AP		0x04815A80
 #define CFG_EBC_PB2CR		0xF0118000  /* BAS=0xF01,BS=1MB,BU=R/W,BW=8bit	*/

 #define CFG_EBC_PB3AP		0x01815280
 #define CFG_EBC_PB3CR		0xF0218000  /* BAS=0xF02,BS=1MB,BU=R/W,BW=8bit	*/

 #define CFG_EBC_PB7AP		0x01815280
 #define CFG_EBC_PB7CR		0xF0318000  /* BAS=0xF03,BS=1MB,BU=R/W,BW=8bit	*/

 /*-----------------------------------------------------------------------
  * External peripheral base address
  *-----------------------------------------------------------------------
  */
 #define CFG_KEY_REG_BASE_ADDR	0xF0100000
 #define CFG_IR_REG_BASE_ADDR	0xF0200000
 #define CFG_FPGA_REG_BASE_ADDR	0xF0300000

 /*-----------------------------------------------------------------------
  * Definitions for initial stack pointer and data area
  */
 #define CFG_INIT_DCACHE_CS	4	/* use cs # 4 for data cache memory    */

 #define CFG_INIT_RAM_ADDR	0x40000000  /* inside of SDRAM			   */
 #define CFG_INIT_RAM_END	0x2000	/* End of used area in RAM	       */
 #define CFG_GBL_DATA_SIZE      128  /* size in bytes reserved for initial data */
 #define CFG_GBL_DATA_OFFSET    (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
 #define CFG_INIT_SP_OFFSET	CFG_GBL_DATA_OFFSET

 /*-----------------------------------------------------------------------
  * Definitions for Serial Presence Detect EEPROM address
  * (to get SDRAM settings)
  */
 #define SPD_EEPROM_ADDRESS	0x50

 #endif	/* __CONFIG_H */
	/*
	* (C) Copyright 2000-2005
	* Stefan Roese, DENX Software Engineering, sr@denx.de.
	*
	* 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
	*/

	/*
	* board/config.h - configuration options, board specific
	*/

	#ifndef __CONFIG_H
	#define __CONFIG_H

	/*
	* High Level Configuration Options
	* (easy to change)
	*/

	#define CONFIG_405GP 1 /* This is a PPC405 CPU */
	#define CONFIG_4xx 1 /* ...member of PPC4xx family */
	#define CONFIG_WALNUT 1 /* ...on a WALNUT board */
	/* ...and on a SYCAMORE board */

	/*
	* Include common defines/options for all AMCC eval boards
	*/
	#define CONFIG_HOSTNAME walnut
	#include "amcc-common.h"

	#define CONFIG_BOARD_EARLY_INIT_F 1 /* Call board_early_init_f */

	#define CONFIG_SYS_CLK_FREQ 33333333 /* external frequency to pll */

	/*
	* Default environment variables
	*/
	#define CONFIG_EXTRA_ENV_SETTINGS \
	CONFIG_AMCC_DEF_ENV \
	CONFIG_AMCC_DEF_ENV_POWERPC \
	CONFIG_AMCC_DEF_ENV_PPC_OLD \
	CONFIG_AMCC_DEF_ENV_NOR_UPD \
	"kernel_addr=fff80000\0" \
	"ramdisk_addr=fff80000\0" \
	""

	#define CONFIG_PHY_ADDR 1 /* PHY address */
	#define CONFIG_HAS_ETH0 1

	#define CONFIG_RTC_DS174x 1 /* use DS1743 RTC in Walnut */

	/*
	* Commands additional to the ones defined in amcc-common.h
	*/
	#define CONFIG_CMD_DATE
	#define CONFIG_CMD_PCI
	#define CONFIG_CMD_SDRAM
	#define CONFIG_CMD_SNTP

	#define CONFIG_SPD_EEPROM 1 /* use SPD EEPROM for setup */

	/*
	* If CFG_EXT_SERIAL_CLOCK, then the UART divisor is 1.
	* If CFG_405_UART_ERRATA_59, then UART divisor is 31.
	* Otherwise, UART divisor is determined by CPU Clock and CFG_BASE_BAUD value.
	* The Linux BASE_BAUD define should match this configuration.
	* baseBaud = cpuClock/(uartDivisor*16)
	* If CFG_405_UART_ERRATA_59 and 200MHz CPU clock,
	* set Linux BASE_BAUD to 403200.
	*/
	#undef CONFIG_SERIAL_SOFTWARE_FIFO
	#undef CFG_EXT_SERIAL_CLOCK /* external serial clock */
	#undef CFG_405_UART_ERRATA_59 /* 405GP/CR Rev. D silicon */
	#define CFG_BASE_BAUD 691200

	/*-----------------------------------------------------------------------
	* I2C stuff
	*-----------------------------------------------------------------------
	*/
	#define CFG_I2C_SPEED 400000 /* I2C speed and slave address */

	#define CFG_I2C_MULTI_EEPROMS
	#define CFG_I2C_EEPROM_ADDR (0xa8>>1)
	#define CFG_I2C_EEPROM_ADDR_LEN 1
	#define CFG_EEPROM_PAGE_WRITE_ENABLE
	#define CFG_EEPROM_PAGE_WRITE_BITS 3
	#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10

	/*-----------------------------------------------------------------------
	* PCI stuff
	*-----------------------------------------------------------------------
	*/
	#define PCI_HOST_ADAPTER 0 /* configure ar pci adapter */
	#define PCI_HOST_FORCE 1 /* configure as pci host */
	#define PCI_HOST_AUTO 2 /* detected via arbiter enable */

	#define CONFIG_PCI /* include pci support */
	#define CONFIG_PCI_HOST PCI_HOST_FORCE /* select pci host function */
	#define CONFIG_PCI_PNP /* do pci plug-and-play */
	/* resource configuration */
	#define CONFIG_PCI_SCAN_SHOW /* show pci devices on startup */

	#define CFG_PCI_SUBSYS_VENDORID 0x10e8 /* AMCC */
	#define CFG_PCI_SUBSYS_DEVICEID 0xcafe /* Whatever */
	#define CFG_PCI_PTM1LA 0x00000000 /* point to sdram */
	#define CFG_PCI_PTM1MS 0x80000001 /* 2GB, enable hard-wired to 1 */
	#define CFG_PCI_PTM1PCI 0x00000000 /* Host: use this pci address */
	#define CFG_PCI_PTM2LA 0x00000000 /* disabled */
	#define CFG_PCI_PTM2MS 0x00000000 /* disabled */
	#define CFG_PCI_PTM2PCI 0x04000000 /* Host: use this pci address */

	/*-----------------------------------------------------------------------
	* Start addresses for the final memory configuration
	* (Set up by the startup code)
	*/
	#define CFG_FLASH_BASE 0xFFF80000

	/*
	* Define here the location of the environment variables (FLASH or NVRAM).
	* Note: DENX encourages to use redundant environment in FLASH. NVRAM is only
	* supported for backward compatibility.
	*/
	#if 1
	#define CFG_ENV_IS_IN_FLASH 1 /* use FLASH for environment vars */
	#else
	#define CONFIG_ENV_IS_IN_NVRAM 1 /* use NVRAM for environment vars */
	#endif

	/*-----------------------------------------------------------------------
	* FLASH organization
	*/
	#define FLASH_BASE0_PRELIM CFG_FLASH_BASE /* FLASH bank #0 */
	#define FLASH_BASE1_PRELIM 0 /* FLASH bank #1 */

	#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
	#define CFG_MAX_FLASH_SECT 256 /* max number of sectors on one chip */

	#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
	#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */

	#define CFG_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */

	#define CFG_FLASH_ADDR0 0x5555
	#define CFG_FLASH_ADDR1 0x2aaa
	#define CFG_FLASH_WORD_SIZE unsigned char

	#ifdef CFG_ENV_IS_IN_FLASH
	#define CFG_ENV_SECT_SIZE 0x10000 /* size of one complete sector */
	#define CFG_ENV_ADDR (CFG_MONITOR_BASE-CFG_ENV_SECT_SIZE)
	#define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */

	/* Address and size of Redundant Environment Sector */
	#define CFG_ENV_ADDR_REDUND (CFG_ENV_ADDR-CFG_ENV_SECT_SIZE)
	#define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
	#endif /* CFG_ENV_IS_IN_FLASH */

	/*-----------------------------------------------------------------------
	* NVRAM organization
	*/
	#define CFG_NVRAM_BASE_ADDR 0xf0000000 /* NVRAM base address */
	#define CFG_NVRAM_SIZE 0x1ff8 /* NVRAM size */

	#ifdef CONFIG_ENV_IS_IN_NVRAM
	#define CFG_ENV_SIZE 0x1000 /* Size of Environment vars */
	#define CFG_ENV_ADDR \
	(CFG_NVRAM_BASE_ADDR+CFG_NVRAM_SIZE-CFG_ENV_SIZE) /* Env */
	#endif

	/*-----------------------------------------------------------------------
	* External Bus Controller (EBC) Setup
	*/

	/* Memory Bank 0 (Flash Bank 0) initialization */
	#define CFG_EBC_PB0AP 0x9B015480
	#define CFG_EBC_PB0CR 0xFFF18000 /* BAS=0xFFF,BS=1MB,BU=R/W,BW=8bit */

	#define CFG_EBC_PB1AP 0x02815480
	#define CFG_EBC_PB1CR 0xF0018000 /* BAS=0xF00,BS=1MB,BU=R/W,BW=8bit */

	#define CFG_EBC_PB2AP 0x04815A80
	#define CFG_EBC_PB2CR 0xF0118000 /* BAS=0xF01,BS=1MB,BU=R/W,BW=8bit */

	#define CFG_EBC_PB3AP 0x01815280
	#define CFG_EBC_PB3CR 0xF0218000 /* BAS=0xF02,BS=1MB,BU=R/W,BW=8bit */

	#define CFG_EBC_PB7AP 0x01815280
	#define CFG_EBC_PB7CR 0xF0318000 /* BAS=0xF03,BS=1MB,BU=R/W,BW=8bit */

	/*-----------------------------------------------------------------------
	* External peripheral base address
	*-----------------------------------------------------------------------
	*/
	#define CFG_KEY_REG_BASE_ADDR 0xF0100000
	#define CFG_IR_REG_BASE_ADDR 0xF0200000
	#define CFG_FPGA_REG_BASE_ADDR 0xF0300000

	/*-----------------------------------------------------------------------
	* Definitions for initial stack pointer and data area
	*/
	#define CFG_INIT_DCACHE_CS 4 /* use cs # 4 for data cache memory */

	#define CFG_INIT_RAM_ADDR 0x40000000 /* inside of SDRAM */
	#define CFG_INIT_RAM_END 0x2000 /* End of used area in RAM */
	#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
	#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
	#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET

	/*-----------------------------------------------------------------------
	* Definitions for Serial Presence Detect EEPROM address
	* (to get SDRAM settings)
	*/
	#define SPD_EEPROM_ADDRESS 0x50

	#endif /* __CONFIG_H */