sbc8548.h

来自「最新版的u-boot,2008-10-18发布」· C头文件 代码 · 共 577 行 · 第 1/2 页

/*
 * Copyright 2007 Wind River Systems <www.windriver.com>
 * Copyright 2007 Embedded Specialties, Inc.
 * Copyright 2004, 2007 Freescale Semiconductor.
 *
 * 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
 */

/*
 * sbc8548 board configuration file
 *
 * Please refer to doc/README.sbc85xx for more info.
 *
 */
#ifndef __CONFIG_H
#define __CONFIG_H

/* High Level Configuration Options */
#define CONFIG_BOOKE		1	/* BOOKE */
#define CONFIG_E500		1	/* BOOKE e500 family */
#define CONFIG_MPC85xx		1	/* MPC8540/60/55/41/48 */
#define CONFIG_MPC8548		1	/* MPC8548 specific */
#define CONFIG_SBC8548		1	/* SBC8548 board specific */

#undef CONFIG_PCI		/* enable any pci type devices */
#undef CONFIG_PCI1		/* PCI controller 1 */
#undef CONFIG_PCIE1		/* PCIE controler 1 (slot 1) */
#undef CONFIG_RIO
#undef CONFIG_PCI2
#undef CONFIG_FSL_PCI_INIT		/* Use common FSL init code */

#define CONFIG_TSEC_ENET		/* tsec ethernet support */
#define CONFIG_ENV_OVERWRITE

#define CONFIG_INTERRUPTS		/* enable pci, srio, ddr interrupts */

#define CONFIG_FSL_LAW		1	/* Use common FSL init code */

#define CONFIG_SYS_CLK_FREQ	66000000 /* SBC8548 default SYSCLK */

/*
 * These can be toggled for performance analysis, otherwise use default.
 */
#define CONFIG_L2_CACHE			/* toggle L2 cache */
#define CONFIG_BTB			/* toggle branch predition */
#define CONFIG_ADDR_STREAMING		/* toggle addr streaming */
#define CONFIG_CLEAR_LAW0		/* Clear LAW0 in cpu_init_r */

/*
 * Only possible on E500 Version 2 or newer cores.
 */
#define CONFIG_ENABLE_36BIT_PHYS	1

#define CONFIG_BOARD_EARLY_INIT_F	1	/* Call board_pre_init */

#undef	CFG_DRAM_TEST			/* memory test, takes time */
#define CFG_MEMTEST_START	0x00200000	/* memtest works on */
#define CFG_MEMTEST_END		0x00400000

/*
 * Base addresses -- Note these are effective addresses where the
 * actual resources get mapped (not physical addresses)
 */
#define CFG_CCSRBAR_DEFAULT	0xff700000	/* CCSRBAR Default */
#define CFG_CCSRBAR		0xe0000000	/* relocated CCSRBAR */
#define CFG_CCSRBAR_PHYS	CFG_CCSRBAR	/* physical addr of CCSRBAR */
#define CFG_IMMR		CFG_CCSRBAR	/* PQII uses CFG_IMMR */

#define CFG_PCI1_ADDR	(CFG_CCSRBAR+0x8000)
#define CFG_PCI2_ADDR	(CFG_CCSRBAR+0x9000)
#define CFG_PCIE1_ADDR	(CFG_CCSRBAR+0xa000)

/* DDR Setup */
#define CONFIG_FSL_DDR2
#undef CONFIG_FSL_DDR_INTERACTIVE
#undef CONFIG_SPD_EEPROM		/* Use SPD EEPROM for DDR setup */
#undef CONFIG_DDR_SPD
#undef CONFIG_DDR_ECC			/* only for ECC DDR module */

#define CONFIG_ECC_INIT_VIA_DDRCONTROLLER	/* DDR controller or DMA? */
#define CONFIG_MEM_INIT_VALUE	0xDeadBeef

#define CFG_DDR_SDRAM_BASE	0x00000000
#define CFG_SDRAM_BASE		CFG_DDR_SDRAM_BASE
#define CONFIG_VERY_BIG_RAM

#define CONFIG_NUM_DDR_CONTROLLERS	1
#define CONFIG_DIMM_SLOTS_PER_CTLR	1
#define CONFIG_CHIP_SELECTS_PER_CTRL	2

/* I2C addresses of SPD EEPROMs */
#define SPD_EEPROM_ADDRESS	0x51	/* CTLR 0 DIMM 0 */

/*
 * Make sure required options are set
 */
#ifndef CONFIG_SPD_EEPROM
	#define CFG_SDRAM_SIZE	256		/* DDR is 256MB */
#endif

#undef CONFIG_CLOCKS_IN_MHZ

/*
 * FLASH on the Local Bus
 * Two banks, one 8MB the other 64MB, using the CFI driver.
 * Boot from BR0/OR0 bank at 0xff80_0000
 * Alternate BR6/OR6 bank at 0xfb80_0000
 *
 * BR0:
 *    Base address 0 = 0xff80_0000 = BR0[0:16] = 1111 1111 1000 0000 0
 *    Port Size = 8 bits = BRx[19:20] = 01
 *    Use GPCM = BRx[24:26] = 000
 *    Valid = BRx[31] = 1
 *
 * 0    4    8    12   16   20   24   28
 * 1111 1111 1000 0000 0000 1000 0000 0001 = ff800801    BR0
 *
 * BR6:
 *    Base address 6 = 0xfb80_0000 = BR6[0:16] = 1111 1011 1000 0000 0
 *    Port Size = 32 bits = BRx[19:20] = 11
 *    Use GPCM = BRx[24:26] = 000
 *    Valid = BRx[31] = 1
 *
 * 0    4    8    12   16   20   24   28
 * 1111 1011 1000 0000 0001 1000 0000 0001 = fb801801    BR6
 *
 * OR0:
 *    Addr Mask = 8M = OR1[0:16] = 1111 1111 1000 0000 0
 *    XAM = OR0[17:18] = 11
 *    CSNT = OR0[20] = 1
 *    ACS = half cycle delay = OR0[21:22] = 11
 *    SCY = 6 = OR0[24:27] = 0110
 *    TRLX = use relaxed timing = OR0[29] = 1
 *    EAD = use external address latch delay = OR0[31] = 1
 *
 * 0    4    8    12   16   20   24   28
 * 1111 1111 1000 0000 0110 1110 0110 0101 = ff806e65    OR0
 *
 * OR6:
 *    Addr Mask = 64M = OR6[0:16] = 1111 1000 0000 0000 0
 *    XAM = OR6[17:18] = 11
 *    CSNT = OR6[20] = 1
 *    ACS = half cycle delay = OR6[21:22] = 11
 *    SCY = 6 = OR6[24:27] = 0110
 *    TRLX = use relaxed timing = OR6[29] = 1
 *    EAD = use external address latch delay = OR6[31] = 1
 *
 * 0    4    8    12   16   20   24   28
 * 1111 1000 0000 0000 0110 1110 0110 0101 = f8006e65    OR6
 */

#define CFG_BOOT_BLOCK		0xff800000	/* start of 8MB Flash */
#define CFG_FLASH_BASE		CFG_BOOT_BLOCK	/* start of FLASH 16M */

#define CFG_BR0_PRELIM		0xff800801
#define CFG_BR6_PRELIM		0xfb801801

#define	CFG_OR0_PRELIM		0xff806e65
#define	CFG_OR6_PRELIM		0xf8006e65

#define CFG_FLASH_BANKS_LIST	{CFG_FLASH_BASE}
#define CFG_MAX_FLASH_BANKS	1		/* number of banks */
#define CFG_MAX_FLASH_SECT	128		/* sectors per device */
#undef	CFG_FLASH_CHECKSUM
#define CFG_FLASH_ERASE_TOUT	60000	/* Flash Erase Timeout (ms) */
#define CFG_FLASH_WRITE_TOUT	500	/* Flash Write Timeout (ms) */

#define CFG_MONITOR_BASE	TEXT_BASE	/* start of monitor */

#define CONFIG_FLASH_CFI_DRIVER
#define CFG_FLASH_CFI
#define CFG_FLASH_EMPTY_INFO

/* CS5 = Local bus peripherals controlled by the EPLD */

#define CFG_BR5_PRELIM		0xf8000801
#define CFG_OR5_PRELIM		0xff006e65
#define CFG_EPLD_BASE		0xf8000000
#define CFG_LED_DISP_BASE	0xf8000000
#define CFG_USER_SWITCHES_BASE	0xf8100000
#define CFG_BD_REV		0xf8300000
#define CFG_EEPROM_BASE		0xf8b00000

/*
 * SDRAM on the Local Bus
 */
#define CFG_LBC_SDRAM_BASE	0xf0000000	/* Localbus SDRAM */
#define CFG_LBC_SDRAM_SIZE	64		/* LBC SDRAM is 64MB */

/*
 * Base Register 3 and Option Register 3 configure SDRAM.
 * The SDRAM base address, CFG_LBC_SDRAM_BASE, is 0xf0000000.
 *
 * For BR3, need:
 *    Base address of 0xf0000000 = BR[0:16] = 1111 0000 0000 0000 0
 *    port-size = 32-bits = BR2[19:20] = 11
 *    no parity checking = BR2[21:22] = 00
 *    SDRAM for MSEL = BR2[24:26] = 011
 *    Valid = BR[31] = 1
 *
 * 0    4    8    12   16   20   24   28
 * 1111 0000 0000 0000 0001 1000 0110 0001 = f0001861
 *
 */

#define CFG_BR3_PRELIM		0xf0001861

/*
 * The SDRAM size in MB, CFG_LBC_SDRAM_SIZE, is 64.
 *
 * For OR3, need:
 *    64MB mask for AM, OR3[0:7] = 1111 1100
 *		   XAM, OR3[17:18] = 11
 *    10 columns OR3[19-21] = 011
 *    12 rows   OR3[23-25] = 011
 *    EAD set for extra time OR[31] = 0
 *
 * 0    4    8    12   16   20   24   28
 * 1111 1100 0000 0000 0110 1100 1100 0000 = fc006cc0
 */

#define CFG_OR3_PRELIM		0xfc006cc0

#define CFG_LBC_LCRR		0x00000002    /* LB clock ratio reg */
#define CFG_LBC_LBCR		0x00000000    /* LB config reg */
#define CFG_LBC_LSRT		0x20000000  /* LB sdram refresh timer */
#define CFG_LBC_MRTPR		0x00000000  /* LB refresh timer prescal*/

/*
 * LSDMR masks
 */
#define CFG_LBC_LSDMR_RFEN	(1 << (31 -  1))
#define CFG_LBC_LSDMR_BSMA1516	(3 << (31 - 10))
#define CFG_LBC_LSDMR_BSMA1617	(4 << (31 - 10))
#define CFG_LBC_LSDMR_RFCR16	(7 << (31 - 16))
#define CFG_LBC_LSDMR_PRETOACT7	(7 << (31 - 19))
#define CFG_LBC_LSDMR_ACTTORW7	(7 << (31 - 22))
#define CFG_LBC_LSDMR_ACTTORW6	(6 << (31 - 22))
#define CFG_LBC_LSDMR_BL8	(1 << (31 - 23))
#define CFG_LBC_LSDMR_WRC4	(0 << (31 - 27))
#define CFG_LBC_LSDMR_CL3	(3 << (31 - 31))

#define CFG_LBC_LSDMR_OP_NORMAL	(0 << (31 - 4))
#define CFG_LBC_LSDMR_OP_ARFRSH	(1 << (31 - 4))
#define CFG_LBC_LSDMR_OP_SRFRSH	(2 << (31 - 4))
#define CFG_LBC_LSDMR_OP_MRW	(3 << (31 - 4))
#define CFG_LBC_LSDMR_OP_PRECH	(4 << (31 - 4))
#define CFG_LBC_LSDMR_OP_PCHALL	(5 << (31 - 4))
#define CFG_LBC_LSDMR_OP_ACTBNK	(6 << (31 - 4))
#define CFG_LBC_LSDMR_OP_RWINV	(7 << (31 - 4))

/*
 * Common settings for all Local Bus SDRAM commands.
 * At run time, either BSMA1516 (for CPU 1.1)
 *                  or BSMA1617 (for CPU 1.0) (old)
 * is OR'ed in too.
 */
#define CFG_LBC_LSDMR_COMMON	( CFG_LBC_LSDMR_RFCR16		\
				| CFG_LBC_LSDMR_PRETOACT7	\
				| CFG_LBC_LSDMR_ACTTORW7	\
				| CFG_LBC_LSDMR_BL8		\
				| CFG_LBC_LSDMR_WRC4		\
				| CFG_LBC_LSDMR_CL3		\
				| CFG_LBC_LSDMR_RFEN		\
				)

#define CONFIG_L1_INIT_RAM
#define CFG_INIT_RAM_LOCK	1
#define CFG_INIT_RAM_ADDR	0xe4010000	/* Initial RAM address */
#define CFG_INIT_RAM_END	0x4000		/* End of used area in RAM */

#define CFG_INIT_L2_ADDR	0xf8f80000	/* relocate boot L2SRAM */