[J-u-boot.git] / include / configs / Sandpoint8240.h

/*
 * (C) Copyright 2001-2005
 * Wolfgang Denk, DENX Software Engineering, [email protected].
 *
 * 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_MPC824X		1
#define CONFIG_MPC8240		1
#define CONFIG_SANDPOINT	1

#if 0
#define USE_DINK32		1
#else
#undef USE_DINK32
#endif

#define CONFIG_CONS_INDEX	1
#define CONFIG_BAUDRATE		9600

#define CONFIG_BOOTDELAY	5	/* autoboot after 5 seconds	*/

#define	CONFIG_TIMESTAMP		/* Print image info with timestamp */

#define CONFIG_PREBOOT	"echo;"	\
	"echo Type \"run net_nfs\" to mount root filesystem over NFS;" \
	"echo"

#undef	CONFIG_BOOTARGS

#define	CONFIG_EXTRA_ENV_SETTINGS					\
	"netdev=eth0\0"							\
	"nfsargs=setenv bootargs root=/dev/nfs rw "			\
		"nfsroot=${serverip}:${rootpath}\0"			\
	"ramargs=setenv bootargs root=/dev/ram rw\0"			\
	"addip=setenv bootargs ${bootargs} "				\
		"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}"	\
		":${hostname}:${netdev}:off panic=1\0"			\
	"net_self=tftp ${kernel_addr} ${bootfile};"			\
		"tftp ${ramdisk_addr} ${ramdisk};"			\
		"run ramargs addip;"					\
		"bootm ${kernel_addr} ${ramdisk_addr}\0"		\
	"net_nfs=tftp ${kernel_addr} ${bootfile};"			\
		"run nfsargs addip;bootm\0"				\
	"rootpath=/opt/eldk/ppc_82xx\0"					\
	"bootfile=/tftpboot/SP8240/uImage\0"				\
	"ramdisk=/tftpboot/SP8240/uRamdisk\0"				\
	"kernel_addr=200000\0"						\
	"ramdisk_addr=400000\0"						\
	""
#define CONFIG_BOOTCOMMAND	"run flash_self"


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

#define CONFIG_CMD_DHCP
#define CONFIG_CMD_ELF
#define CONFIG_CMD_I2C
#define CONFIG_CMD_SDRAM
#define CONFIG_CMD_EEPROM
#define CONFIG_CMD_NFS
#define CONFIG_CMD_PCI
#define CONFIG_CMD_SNTP


#define CONFIG_DRAM_SPEED	100		/* MHz				*/

/*
 * Miscellaneous configurable options
 */
#define CFG_LONGHELP		1		/* undef to save memory		*/
#define CFG_PROMPT		"=> "		/* Monitor Command Prompt	*/
#define CFG_CBSIZE		256		/* Console I/O Buffer Size	*/
#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16)	/* Print Buffer Size	*/
#define CFG_MAXARGS		16		/* max number of command args	*/
#define CFG_BARGSIZE		CFG_CBSIZE	/* Boot Argument Buffer Size	*/
#define CFG_LOAD_ADDR		0x00100000	/* default load address		*/
#define CFG_HZ			1000		/* decrementer freq: 1 ms ticks */

/*-----------------------------------------------------------------------
 * PCI stuff
 *-----------------------------------------------------------------------
 */
#define CONFIG_PCI				/* include pci support		*/
#undef CONFIG_PCI_PNP

#define CONFIG_NET_MULTI			/* Multi ethernet cards support */

#define CONFIG_EEPRO100
#define CFG_RX_ETH_BUFFER	8               /* use 8 rx buffer on eepro100  */

#define PCI_ENET0_IOADDR	0x80000000
#define PCI_ENET0_MEMADDR	0x80000000
#define	PCI_ENET1_IOADDR	0x81000000
#define	PCI_ENET1_MEMADDR	0x81000000


/*-----------------------------------------------------------------------
 * Start addresses for the final memory configuration
 * (Set up by the startup code)
 * Please note that CFG_SDRAM_BASE _must_ start at 0
 */
#define CFG_SDRAM_BASE		0x00000000
#define CFG_MAX_RAM_SIZE	0x10000000

#define CFG_RESET_ADDRESS	0xFFF00100

#if defined (USE_DINK32)
#define CFG_MONITOR_LEN		0x00030000
#define CFG_MONITOR_BASE	0x00090000
#define CFG_RAMBOOT		1
#define CFG_INIT_RAM_ADDR	(CFG_MONITOR_BASE + CFG_MONITOR_LEN)
#define CFG_INIT_RAM_END	0x10000
#define CFG_GBL_DATA_SIZE	256  /* 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
#else
#undef	CFG_RAMBOOT
#define CFG_MONITOR_LEN		0x00030000
#define CFG_MONITOR_BASE	TEXT_BASE

/*#define CFG_GBL_DATA_SIZE    256*/
#define CFG_GBL_DATA_SIZE	128

#define CFG_INIT_RAM_ADDR     0x40000000
#define CFG_INIT_RAM_END      0x1000
#define CFG_GBL_DATA_OFFSET  (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)

#endif

#define CFG_FLASH_BASE		0xFFF00000
#if 0
#define CFG_FLASH_SIZE		(512 * 1024)	/* sandpoint has tiny eeprom	*/
#else
#define CFG_FLASH_SIZE		(1024 * 1024)	/* Unity has onboard 1MByte flash */
#endif
#define CFG_ENV_IS_IN_FLASH	1
#define CFG_ENV_OFFSET		0x00004000	/* Offset of Environment Sector */
#define CFG_ENV_SIZE		0x00002000	/* Total Size of Environment Sector */

#define CFG_MALLOC_LEN		(512 << 10)	/* Reserve 512 kB for malloc()	*/

#define CFG_MEMTEST_START	0x00000000	/* memtest works on		*/
#define CFG_MEMTEST_END		0x04000000	/* 0 ... 32 MB in DRAM		*/

#define CFG_EUMB_ADDR		0xFC000000

#define CFG_ISA_MEM		0xFD000000
#define CFG_ISA_IO		0xFE000000

#define CFG_FLASH_RANGE_BASE	0xFF000000	/* flash memory address range	*/
#define CFG_FLASH_RANGE_SIZE	0x01000000
#define FLASH_BASE0_PRELIM	0xFFF00000	/* sandpoint flash		*/
#define FLASH_BASE1_PRELIM	0xFF000000	/* PMC onboard flash		*/

/*
 * select i2c support configuration
 *
 * Supported configurations are {none, software, hardware} drivers.
 * If the software driver is chosen, there are some additional
 * configuration items that the driver uses to drive the port pins.
 */
#define CONFIG_HARD_I2C		1		/* To enable I2C support	*/
#undef  CONFIG_SOFT_I2C				/* I2C bit-banged		*/
#define CFG_I2C_SPEED		400000		/* I2C speed and slave address	*/
#define CFG_I2C_SLAVE		0x7F

#ifdef CONFIG_SOFT_I2C
#error "Soft I2C is not configured properly.  Please review!"
#define I2C_PORT		3               /* Port A=0, B=1, C=2, D=3 */
#define I2C_ACTIVE		(iop->pdir |=  0x00010000)
#define I2C_TRISTATE		(iop->pdir &= ~0x00010000)
#define I2C_READ		((iop->pdat & 0x00010000) != 0)
#define I2C_SDA(bit)		if(bit) iop->pdat |=  0x00010000; \
				else    iop->pdat &= ~0x00010000
#define I2C_SCL(bit)		if(bit) iop->pdat |=  0x00020000; \
				else    iop->pdat &= ~0x00020000
#define I2C_DELAY		udelay(5)	/* 1/4 I2C clock duration */
#endif /* CONFIG_SOFT_I2C */


#define CFG_I2C_EEPROM_ADDR	0x57		/* EEPROM IS24C02		*/
#define CFG_I2C_EEPROM_ADDR_LEN	1		/* Bytes of address		*/
#define CFG_EEPROM_PAGE_WRITE_BITS	3	/* write page size		*/
#define CFG_EEPROM_PAGE_WRITE_DELAY_MS	10	/* takes up to 10 msec		*/


#define CFG_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }
#define CFG_FLASH_BANKS		{ FLASH_BASE0_PRELIM , FLASH_BASE1_PRELIM }

/*-----------------------------------------------------------------------
 * Definitions for initial stack pointer and data area (in DPRAM)
 */


#define CFG_WINBOND_83C553	1	/*has a winbond bridge			*/
#define CFG_USE_WINBOND_IDE	0	/*use winbond 83c553 internal IDE ctrlr */
#define CFG_WINBOND_ISA_CFG_ADDR    0x80005800	/*pci-isa bridge config addr	*/
#define CFG_WINBOND_IDE_CFG_ADDR    0x80005900	/*ide config addr		*/

#define CFG_IDE_MAXBUS		2   /* max. 2 IDE busses	*/
#define CFG_IDE_MAXDEVICE	(CFG_IDE_MAXBUS*2) /* max. 2 drives per IDE bus */

/*
 * NS87308 Configuration
 */
#define CFG_NS87308			/* Nat Semi super-io controller on ISA bus */

#define CFG_NS87308_BADDR_10	1

#define CFG_NS87308_DEVS	( CFG_NS87308_UART1   | \
				  CFG_NS87308_UART2   | \
				  CFG_NS87308_POWRMAN | \
				  CFG_NS87308_RTC_APC )

#undef  CFG_NS87308_PS2MOD

#define CFG_NS87308_CS0_BASE	0x0076
#define CFG_NS87308_CS0_CONF	0x30
#define CFG_NS87308_CS1_BASE	0x0075
#define CFG_NS87308_CS1_CONF	0x30
#define CFG_NS87308_CS2_BASE	0x0074
#define CFG_NS87308_CS2_CONF	0x30

/*
 * NS16550 Configuration
 */
#define CFG_NS16550
#define CFG_NS16550_SERIAL

#define CFG_NS16550_REG_SIZE	1

#define CFG_NS16550_CLK		1843200

#define CFG_NS16550_COM1	(CFG_ISA_IO + CFG_NS87308_UART1_BASE)
#define CFG_NS16550_COM2	(CFG_ISA_IO + CFG_NS87308_UART2_BASE)

/*
 * Low Level Configuration Settings
 * (address mappings, register initial values, etc.)
 * You should know what you are doing if you make changes here.
 */

#define CONFIG_SYS_CLK_FREQ  33000000	/* external frequency to pll */
#define CONFIG_PLL_PCI_TO_MEM_MULTIPLIER  1

#define CFG_ROMNAL		7	/*rom/flash next access time		*/
#define CFG_ROMFAL		11	/*rom/flash access time			*/

#define CFG_REFINT	430	/* no of clock cycles between CBR refresh cycles */

/* the following are for SDRAM only*/
#define CFG_BSTOPRE	121	/* Burst To Precharge, sets open page interval */
#define CFG_REFREC		8	/* Refresh to activate interval		*/
#define CFG_RDLAT		4	/* data latency from read command	*/
#define CFG_PRETOACT		3	/* Precharge to activate interval	*/
#define CFG_ACTTOPRE		5	/* Activate to Precharge interval	*/
#define CFG_ACTORW		3	/* Activate to R/W			*/
#define CFG_SDMODE_CAS_LAT	3	/* SDMODE CAS latency			*/
#define CFG_SDMODE_WRAP		0	/* SDMODE wrap type			*/
#define CFG_SDMODE_BURSTLEN	2	/* SDMODE Burst length 2=4, 3=8		*/

#define CFG_REGISTERD_TYPE_BUFFER   1

/* memory bank settings*/
/*
 * only bits 20-29 are actually used from these vales to set the
 * start/end address the upper two bits will be 0, and the lower 20
 * bits will be set to 0x00000 for a start address, or 0xfffff for an
 * end address
 */
#define CFG_BANK0_START		0x00000000
#define CFG_BANK0_END		(CFG_MAX_RAM_SIZE - 1)
#define CFG_BANK0_ENABLE	1
#define CFG_BANK1_START		0x3ff00000
#define CFG_BANK1_END		0x3fffffff
#define CFG_BANK1_ENABLE	0
#define CFG_BANK2_START		0x3ff00000
#define CFG_BANK2_END		0x3fffffff
#define CFG_BANK2_ENABLE	0
#define CFG_BANK3_START		0x3ff00000
#define CFG_BANK3_END		0x3fffffff
#define CFG_BANK3_ENABLE	0
#define CFG_BANK4_START		0x00000000
#define CFG_BANK4_END		0x00000000
#define CFG_BANK4_ENABLE	0
#define CFG_BANK5_START		0x00000000
#define CFG_BANK5_END		0x00000000
#define CFG_BANK5_ENABLE	0
#define CFG_BANK6_START		0x00000000
#define CFG_BANK6_END		0x00000000
#define CFG_BANK6_ENABLE	0
#define CFG_BANK7_START		0x00000000
#define CFG_BANK7_END		0x00000000
#define CFG_BANK7_ENABLE	0
/*
 * Memory bank enable bitmask, specifying which of the banks defined above
 are actually present. MSB is for bank #7, LSB is for bank #0.
 */
#define CFG_BANK_ENABLE		0x01

#define CFG_ODCR		0xff	/* configures line driver impedances,	*/
					/* see 8240 book for bit definitions	*/
#define CFG_PGMAX		0x32	/* how long the 8240 retains the	*/
					/* currently accessed page in memory	*/
					/* see 8240 book for details		*/

/* SDRAM 0 - 256MB */
#define CFG_IBAT0L	(CFG_SDRAM_BASE | BATL_PP_10 | BATL_MEMCOHERENCE)
#define CFG_IBAT0U	(CFG_SDRAM_BASE | BATU_BL_256M | BATU_VS | BATU_VP)

/* stack in DCACHE @ 1GB (no backing mem) */
#if defined(USE_DINK32)
#define CFG_IBAT1L	(0x40000000 | BATL_PP_00 )
#define CFG_IBAT1U	(0x40000000 | BATU_BL_128K )
#else
#define CFG_IBAT1L	(CFG_INIT_RAM_ADDR | BATL_PP_10 | BATL_MEMCOHERENCE)
#define CFG_IBAT1U	(CFG_INIT_RAM_ADDR | BATU_BL_128K | BATU_VS | BATU_VP)
#endif

/* PCI memory */
#define CFG_IBAT2L	(0x80000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
#define CFG_IBAT2U	(0x80000000 | BATU_BL_256M | BATU_VS | BATU_VP)

/* Flash, config addrs, etc */
#define CFG_IBAT3L	(0xF0000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
#define CFG_IBAT3U	(0xF0000000 | BATU_BL_256M | BATU_VS | BATU_VP)

#define CFG_DBAT0L	CFG_IBAT0L
#define CFG_DBAT0U	CFG_IBAT0U
#define CFG_DBAT1L	CFG_IBAT1L
#define CFG_DBAT1U	CFG_IBAT1U
#define CFG_DBAT2L	CFG_IBAT2L
#define CFG_DBAT2U	CFG_IBAT2U
#define CFG_DBAT3L	CFG_IBAT3L
#define CFG_DBAT3U	CFG_IBAT3U

/*
 * For booting Linux, the board info and command line data
 * have to be in the first 8 MB of memory, since this is
 * the maximum mapped by the Linux kernel during initialization.
 */
#define CFG_BOOTMAPSZ		(8 << 20)	/* Initial Memory map for Linux */
/*-----------------------------------------------------------------------
 * FLASH organization
 */
#define CFG_MAX_FLASH_BANKS	2	/* max number of memory banks		*/
#define CFG_MAX_FLASH_SECT	20	/* 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)	*/

/*-----------------------------------------------------------------------
 * Cache Configuration
 */
#define CFG_CACHELINE_SIZE	32	/* For MPC8240 CPU			*/
#if defined(CONFIG_CMD_KGDB)
#  define CFG_CACHELINE_SHIFT	5	/* log base 2 of the above value */
#endif


/*
 * Internal Definitions
 *
 * Boot Flags
 */
#define BOOTFLAG_COLD		0x01	/* Normal Power-On: Boot from FLASH	*/
#define BOOTFLAG_WARM		0x02	/* Software reboot			*/


/* values according to the manual */

#define CONFIG_DRAM_50MHZ	1
#define CONFIG_SDRAM_50MHZ

#undef	NR_8259_INTS
#define NR_8259_INTS		1


#define CONFIG_DISK_SPINUP_TIME 1000000


#endif	/* __CONFIG_H */
Commit	Line	Data
c609719b	1	/*
414eec35	2	* (C) Copyright 2001-2005
c609719b WD	3	* Wolfgang Denk, DENX Software Engineering, [email protected].
	4	*
	5	* See file CREDITS for list of people who contributed to this
	6	* project.
	7	*
	8	* This program is free software; you can redistribute it and/or
	9	* modify it under the terms of the GNU General Public License as
	10	* published by the Free Software Foundation; either version 2 of
	11	* the License, or (at your option) any later version.
	12	*
	13	* This program is distributed in the hope that it will be useful,
	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	* GNU General Public License for more details.
	17	*
	18	* You should have received a copy of the GNU General Public License
	19	* along with this program; if not, write to the Free Software
	20	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	21	* MA 02111-1307 USA
	22	*/
	23
	24	/* ------------------------------------------------------------------------- */
	25
	26	/*
	27	* board/config.h - configuration options, board specific
	28	*/
	29
	30	#ifndef __CONFIG_H
	31	#define __CONFIG_H
	32
	33	/*
	34	* High Level Configuration Options
	35	* (easy to change)
	36	*/
	37
	38	#define CONFIG_MPC824X 1
	39	#define CONFIG_MPC8240 1
	40	#define CONFIG_SANDPOINT 1
	41
	42	#if 0
	43	#define USE_DINK32 1
	44	#else
	45	#undef USE_DINK32
	46	#endif
	47
	48	#define CONFIG_CONS_INDEX 1
149dded2 WD	49	#define CONFIG_BAUDRATE 9600
	50
	51	#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
	52
	53	#define CONFIG_TIMESTAMP /* Print image info with timestamp */
	54
	55	#define CONFIG_PREBOOT "echo;" \
	56	"echo Type \"run net_nfs\" to mount root filesystem over NFS;" \
	57	"echo"
	58
	59	#undef CONFIG_BOOTARGS
	60
	61	#define CONFIG_EXTRA_ENV_SETTINGS \
	62	"netdev=eth0\0" \
	63	"nfsargs=setenv bootargs root=/dev/nfs rw " \
fe126d8b	64	"nfsroot=${serverip}:${rootpath}\0" \
149dded2	65	"ramargs=setenv bootargs root=/dev/ram rw\0" \
fe126d8b WD	66	"addip=setenv bootargs ${bootargs} " \
	67	"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
	68	":${hostname}:${netdev}:off panic=1\0" \
	69	"net_self=tftp ${kernel_addr} ${bootfile};" \
	70	"tftp ${ramdisk_addr} ${ramdisk};" \
149dded2	71	"run ramargs addip;" \
fe126d8b WD	72	"bootm ${kernel_addr} ${ramdisk_addr}\0" \
fe126d8b WD	73	"net_nfs=tftp ${kernel_addr} ${bootfile};" \
149dded2 WD	74	"run nfsargs addip;bootm\0" \
	75	"rootpath=/opt/eldk/ppc_82xx\0" \
	76	"bootfile=/tftpboot/SP8240/uImage\0" \
	77	"ramdisk=/tftpboot/SP8240/uRamdisk\0" \
	78	"kernel_addr=200000\0" \
	79	"ramdisk_addr=400000\0" \
	80	""
	81	#define CONFIG_BOOTCOMMAND "run flash_self"
c609719b	82
fe7f782d JL	83
	84	/*
	85	* Command line configuration.
	86	*/
	87	#include <config_cmd_default.h>
	88
	89	#define CONFIG_CMD_DHCP
	90	#define CONFIG_CMD_ELF
	91	#define CONFIG_CMD_I2C
	92	#define CONFIG_CMD_SDRAM
	93	#define CONFIG_CMD_EEPROM
	94	#define CONFIG_CMD_NFS
	95	#define CONFIG_CMD_PCI
	96	#define CONFIG_CMD_SNTP
	97
c609719b	98
149dded2	99	#define CONFIG_DRAM_SPEED 100 /* MHz */
c609719b WD	100
	101	/*
	102	* Miscellaneous configurable options
	103	*/
	104	#define CFG_LONGHELP 1 /* undef to save memory */
	105	#define CFG_PROMPT "=> " /* Monitor Command Prompt */
	106	#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
	107	#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
	108	#define CFG_MAXARGS 16 /* max number of command args */
	109	#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
	110	#define CFG_LOAD_ADDR 0x00100000 /* default load address */
	111	#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
	112
	113	/*-----------------------------------------------------------------------
	114	* PCI stuff
	115	*-----------------------------------------------------------------------
	116	*/
	117	#define CONFIG_PCI /* include pci support */
	118	#undef CONFIG_PCI_PNP
	119
	120	#define CONFIG_NET_MULTI /* Multi ethernet cards support */
	121
	122	#define CONFIG_EEPRO100
53cf9435	123	#define CFG_RX_ETH_BUFFER 8 /* use 8 rx buffer on eepro100 */
c609719b WD	124
	125	#define PCI_ENET0_IOADDR 0x80000000
	126	#define PCI_ENET0_MEMADDR 0x80000000
	127	#define PCI_ENET1_IOADDR 0x81000000
	128	#define PCI_ENET1_MEMADDR 0x81000000
	129
	130
	131	/*-----------------------------------------------------------------------
	132	* Start addresses for the final memory configuration
	133	* (Set up by the startup code)
	134	* Please note that CFG_SDRAM_BASE _must_ start at 0
	135	*/
	136	#define CFG_SDRAM_BASE 0x00000000
	137	#define CFG_MAX_RAM_SIZE 0x10000000
	138
	139	#define CFG_RESET_ADDRESS 0xFFF00100
	140
	141	#if defined (USE_DINK32)
	142	#define CFG_MONITOR_LEN 0x00030000
	143	#define CFG_MONITOR_BASE 0x00090000
	144	#define CFG_RAMBOOT 1
	145	#define CFG_INIT_RAM_ADDR (CFG_MONITOR_BASE + CFG_MONITOR_LEN)
	146	#define CFG_INIT_RAM_END 0x10000
	147	#define CFG_GBL_DATA_SIZE 256 /* size in bytes reserved for initial data */
	148	#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
	149	#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
	150	#else
	151	#undef CFG_RAMBOOT
	152	#define CFG_MONITOR_LEN 0x00030000
	153	#define CFG_MONITOR_BASE TEXT_BASE
	154
	155	/#define CFG_GBL_DATA_SIZE 256/
	156	#define CFG_GBL_DATA_SIZE 128
	157
	158	#define CFG_INIT_RAM_ADDR 0x40000000
	159	#define CFG_INIT_RAM_END 0x1000
	160	#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
	161
	162	#endif
	163
	164	#define CFG_FLASH_BASE 0xFFF00000
	165	#if 0
	166	#define CFG_FLASH_SIZE (512 * 1024) /* sandpoint has tiny eeprom */
	167	#else
	168	#define CFG_FLASH_SIZE (1024 * 1024) /* Unity has onboard 1MByte flash */
	169	#endif
	170	#define CFG_ENV_IS_IN_FLASH 1
	171	#define CFG_ENV_OFFSET 0x00004000 /* Offset of Environment Sector */
	172	#define CFG_ENV_SIZE 0x00002000 /* Total Size of Environment Sector */
	173
	174	#define CFG_MALLOC_LEN (512 << 10) /* Reserve 512 kB for malloc() */
	175
	176	#define CFG_MEMTEST_START 0x00000000 /* memtest works on */
	177	#define CFG_MEMTEST_END 0x04000000 /* 0 ... 32 MB in DRAM */
	178
	179	#define CFG_EUMB_ADDR 0xFC000000
	180
	181	#define CFG_ISA_MEM 0xFD000000
	182	#define CFG_ISA_IO 0xFE000000
	183
	184	#define CFG_FLASH_RANGE_BASE 0xFF000000 /* flash memory address range */
	185	#define CFG_FLASH_RANGE_SIZE 0x01000000
	186	#define FLASH_BASE0_PRELIM 0xFFF00000 /* sandpoint flash */
	187	#define FLASH_BASE1_PRELIM 0xFF000000 /* PMC onboard flash */
188
189	/*
190	* select i2c support configuration
191	*
192	* Supported configurations are {none, software, hardware} drivers.
193	* If the software driver is chosen, there are some additional
194	* configuration items that the driver uses to drive the port pins.
195	*/
196	#define CONFIG_HARD_I2C 1 /* To enable I2C support */
197	#undef CONFIG_SOFT_I2C /* I2C bit-banged */
198	#define CFG_I2C_SPEED 400000 /* I2C speed and slave address */
199	#define CFG_I2C_SLAVE 0x7F
200
201	#ifdef CONFIG_SOFT_I2C
202	#error "Soft I2C is not configured properly. Please review!"
203	#define I2C_PORT 3 /* Port A=0, B=1, C=2, D=3 */
204	#define I2C_ACTIVE (iop->pdir \|= 0x00010000)
205	#define I2C_TRISTATE (iop->pdir &= ~0x00010000)
206	#define I2C_READ ((iop->pdat & 0x00010000) != 0)
207	#define I2C_SDA(bit) if(bit) iop->pdat \|= 0x00010000; \
208	else iop->pdat &= ~0x00010000
209	#define I2C_SCL(bit) if(bit) iop->pdat \|= 0x00020000; \
210	else iop->pdat &= ~0x00020000
211	#define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
212	#endif /* CONFIG_SOFT_I2C */
213
214
215	#define CFG_I2C_EEPROM_ADDR 0x57 /* EEPROM IS24C02 */
216	#define CFG_I2C_EEPROM_ADDR_LEN 1 /* Bytes of address */
217	#define CFG_EEPROM_PAGE_WRITE_BITS 3 /* write page size */
218	#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 /* takes up to 10 msec */
219
220
221	#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
222	#define CFG_FLASH_BANKS { FLASH_BASE0_PRELIM , FLASH_BASE1_PRELIM }
223
224	/*-----------------------------------------------------------------------
225	* Definitions for initial stack pointer and data area (in DPRAM)
226	*/
227
228
229	#define CFG_WINBOND_83C553 1 /has a winbond bridge /
230	#define CFG_USE_WINBOND_IDE 0 /use winbond 83c553 internal IDE ctrlr /
231	#define CFG_WINBOND_ISA_CFG_ADDR 0x80005800 /pci-isa bridge config addr /
232	#define CFG_WINBOND_IDE_CFG_ADDR 0x80005900 /ide config addr /
233
234	#define CFG_IDE_MAXBUS 2 /* max. 2 IDE busses */
235	#define CFG_IDE_MAXDEVICE (CFG_IDE_MAXBUS2) / max. 2 drives per IDE bus */
236
237	/*
238	* NS87308 Configuration
239	*/
240	#define CFG_NS87308 /* Nat Semi super-io controller on ISA bus */
241
242	#define CFG_NS87308_BADDR_10 1
243
244	#define CFG_NS87308_DEVS ( CFG_NS87308_UART1 \| \
245	CFG_NS87308_UART2 \| \
246	CFG_NS87308_POWRMAN \| \
247	CFG_NS87308_RTC_APC )
248
249	#undef CFG_NS87308_PS2MOD
250
251	#define CFG_NS87308_CS0_BASE 0x0076
252	#define CFG_NS87308_CS0_CONF 0x30
253	#define CFG_NS87308_CS1_BASE 0x0075
254	#define CFG_NS87308_CS1_CONF 0x30
255	#define CFG_NS87308_CS2_BASE 0x0074
256	#define CFG_NS87308_CS2_CONF 0x30
257
258	/*
259	* NS16550 Configuration
260	*/
261	#define CFG_NS16550
262	#define CFG_NS16550_SERIAL
263
264	#define CFG_NS16550_REG_SIZE 1
265
266	#define CFG_NS16550_CLK 1843200
267
268	#define CFG_NS16550_COM1 (CFG_ISA_IO + CFG_NS87308_UART1_BASE)
269	#define CFG_NS16550_COM2 (CFG_ISA_IO + CFG_NS87308_UART2_BASE)
270
271	/*
272	* Low Level Configuration Settings
273	* (address mappings, register initial values, etc.)
274	* You should know what you are doing if you make changes here.
275	*/
276
277	#define CONFIG_SYS_CLK_FREQ 33000000 /* external frequency to pll */
7cb22f97	278	#define CONFIG_PLL_PCI_TO_MEM_MULTIPLIER 1
c609719b WD	279
	280	#define CFG_ROMNAL 7 /rom/flash next access time /
	281	#define CFG_ROMFAL 11 /rom/flash access time /
	282
	283	#define CFG_REFINT 430 /* no of clock cycles between CBR refresh cycles */
	284
	285	/* the following are for SDRAM only*/
	286	#define CFG_BSTOPRE 121 /* Burst To Precharge, sets open page interval */
	287	#define CFG_REFREC 8 /* Refresh to activate interval */
	288	#define CFG_RDLAT 4 /* data latency from read command */
	289	#define CFG_PRETOACT 3 /* Precharge to activate interval */
	290	#define CFG_ACTTOPRE 5 /* Activate to Precharge interval */
	291	#define CFG_ACTORW 3 /* Activate to R/W */
	292	#define CFG_SDMODE_CAS_LAT 3 /* SDMODE CAS latency */
	293	#define CFG_SDMODE_WRAP 0 /* SDMODE wrap type */
	294	#define CFG_SDMODE_BURSTLEN 2 /* SDMODE Burst length 2=4, 3=8 */
	295
	296	#define CFG_REGISTERD_TYPE_BUFFER 1
	297
	298	/* memory bank settings*/
	299	/*
	300	* only bits 20-29 are actually used from these vales to set the
	301	* start/end address the upper two bits will be 0, and the lower 20
	302	* bits will be set to 0x00000 for a start address, or 0xfffff for an
	303	* end address
	304	*/
	305	#define CFG_BANK0_START 0x00000000
	306	#define CFG_BANK0_END (CFG_MAX_RAM_SIZE - 1)
	307	#define CFG_BANK0_ENABLE 1
	308	#define CFG_BANK1_START 0x3ff00000
	309	#define CFG_BANK1_END 0x3fffffff
	310	#define CFG_BANK1_ENABLE 0
	311	#define CFG_BANK2_START 0x3ff00000
	312	#define CFG_BANK2_END 0x3fffffff
	313	#define CFG_BANK2_ENABLE 0
	314	#define CFG_BANK3_START 0x3ff00000
	315	#define CFG_BANK3_END 0x3fffffff
	316	#define CFG_BANK3_ENABLE 0
	317	#define CFG_BANK4_START 0x00000000
	318	#define CFG_BANK4_END 0x00000000
	319	#define CFG_BANK4_ENABLE 0
	320	#define CFG_BANK5_START 0x00000000
	321	#define CFG_BANK5_END 0x00000000
	322	#define CFG_BANK5_ENABLE 0
	323	#define CFG_BANK6_START 0x00000000
	324	#define CFG_BANK6_END 0x00000000
	325	#define CFG_BANK6_ENABLE 0
	326	#define CFG_BANK7_START 0x00000000
	327	#define CFG_BANK7_END 0x00000000
	328	#define CFG_BANK7_ENABLE 0
	329	/*
	330	* Memory bank enable bitmask, specifying which of the banks defined above
	331	are actually present. MSB is for bank #7, LSB is for bank #0.
	332	*/
	333	#define CFG_BANK_ENABLE 0x01
	334
	335	#define CFG_ODCR 0xff /* configures line driver impedances, */
	336	/* see 8240 book for bit definitions */
	337	#define CFG_PGMAX 0x32 /* how long the 8240 retains the */
	338	/* currently accessed page in memory */
	339	/* see 8240 book for details */
	340
	341	/* SDRAM 0 - 256MB */
	342	#define CFG_IBAT0L (CFG_SDRAM_BASE \| BATL_PP_10 \| BATL_MEMCOHERENCE)
343	#define CFG_IBAT0U (CFG_SDRAM_BASE \| BATU_BL_256M \| BATU_VS \| BATU_VP)
344
345	/* stack in DCACHE @ 1GB (no backing mem) */
346	#if defined(USE_DINK32)
347	#define CFG_IBAT1L (0x40000000 \| BATL_PP_00 )
348	#define CFG_IBAT1U (0x40000000 \| BATU_BL_128K )
349	#else
350	#define CFG_IBAT1L (CFG_INIT_RAM_ADDR \| BATL_PP_10 \| BATL_MEMCOHERENCE)
351	#define CFG_IBAT1U (CFG_INIT_RAM_ADDR \| BATU_BL_128K \| BATU_VS \| BATU_VP)
352	#endif
353
354	/* PCI memory */
355	#define CFG_IBAT2L (0x80000000 \| BATL_PP_10 \| BATL_CACHEINHIBIT)
356	#define CFG_IBAT2U (0x80000000 \| BATU_BL_256M \| BATU_VS \| BATU_VP)
357
358	/* Flash, config addrs, etc */
359	#define CFG_IBAT3L (0xF0000000 \| BATL_PP_10 \| BATL_CACHEINHIBIT)
360	#define CFG_IBAT3U (0xF0000000 \| BATU_BL_256M \| BATU_VS \| BATU_VP)
361
362	#define CFG_DBAT0L CFG_IBAT0L
363	#define CFG_DBAT0U CFG_IBAT0U
364	#define CFG_DBAT1L CFG_IBAT1L
365	#define CFG_DBAT1U CFG_IBAT1U
366	#define CFG_DBAT2L CFG_IBAT2L
367	#define CFG_DBAT2U CFG_IBAT2U
368	#define CFG_DBAT3L CFG_IBAT3L
369	#define CFG_DBAT3U CFG_IBAT3U
370
371	/*
372	* For booting Linux, the board info and command line data
373	* have to be in the first 8 MB of memory, since this is
374	* the maximum mapped by the Linux kernel during initialization.
375	*/
376	#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
377	/*-----------------------------------------------------------------------
378	* FLASH organization
379	*/
380	#define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */
381	#define CFG_MAX_FLASH_SECT 20 /* max number of sectors on one chip */
382
383	#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
384	#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
385
386	/*-----------------------------------------------------------------------
387	* Cache Configuration
388	*/
389	#define CFG_CACHELINE_SIZE 32 /* For MPC8240 CPU */
fe7f782d	390	#if defined(CONFIG_CMD_KGDB)
c609719b WD	391	# define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
	392	#endif
	393
	394
	395	/*
	396	* Internal Definitions
	397	*
	398	* Boot Flags
	399	*/
	400	#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
	401	#define BOOTFLAG_WARM 0x02 /* Software reboot */
	402
	403
	404	/* values according to the manual */
	405
	406	#define CONFIG_DRAM_50MHZ 1
	407	#define CONFIG_SDRAM_50MHZ
	408
	409	#undef NR_8259_INTS
	410	#define NR_8259_INTS 1
	411
	412
	413	#define CONFIG_DISK_SPINUP_TIME 1000000
	414
	415
	416	#endif /* __CONFIG_H */