mpc8313erdb.h

U-boot源码 ARM7启动代码

/*
 * Copyright (C) Freescale Semiconductor, Inc. 2006.
 *
 * 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
 */
/*
 * mpc8313epb board configuration file
 */

#ifndef __CONFIG_H
#define __CONFIG_H

/*
 * High Level Configuration Options
 */
#define CONFIG_E300		1
#define CONFIG_MPC83XX		1
#define CONFIG_MPC831X		1
#define CONFIG_MPC8313		1
#define CONFIG_MPC8313ERDB	1

#define CONFIG_PCI
#define CONFIG_83XX_GENERIC_PCI

#ifdef CFG_66MHZ
#define CONFIG_83XX_CLKIN	66666667	/* in Hz */
#elif defined(CFG_33MHZ)
#define CONFIG_83XX_CLKIN	33333333	/* in Hz */
#else
#error Unknown oscillator frequency.
#endif

#define CONFIG_SYS_CLK_FREQ	CONFIG_83XX_CLKIN

#define CONFIG_BOARD_EARLY_INIT_F		/* call board_pre_init */

#define CFG_IMMR		0xE0000000

#define CFG_MEMTEST_START	0x00001000
#define CFG_MEMTEST_END		0x07f00000

/* Early revs of this board will lock up hard when attempting
 * to access the PMC registers, unless a JTAG debugger is
 * connected, or some resistor modifications are made.
 */
#define CFG_8313ERDB_BROKEN_PMC 1

#define CFG_ACR_PIPE_DEP	3	/* Arbiter pipeline depth (0-3) */
#define CFG_ACR_RPTCNT		3	/* Arbiter repeat count (0-7) */

/*
 * DDR Setup
 */
#define CFG_DDR_BASE		0x00000000	/* DDR is system memory*/
#define CFG_SDRAM_BASE		CFG_DDR_BASE
#define CFG_DDR_SDRAM_BASE	CFG_DDR_BASE

/*
 * Manually set up DDR parameters, as this board does not
 * seem to have the SPD connected to I2C.
 */
#define CFG_DDR_SIZE		128		/* MB */
#define CFG_DDR_CONFIG		( CSCONFIG_EN | CSCONFIG_AP \
				| 0x00040000 /* TODO */ \
				| CSCONFIG_ROW_BIT_13 | CSCONFIG_COL_BIT_10 )
				/* 0x80840102 */

#define CFG_DDR_TIMING_3	0x00000000
#define CFG_DDR_TIMING_0	( ( 0 << TIMING_CFG0_RWT_SHIFT ) \
				| ( 0 << TIMING_CFG0_WRT_SHIFT ) \
				| ( 0 << TIMING_CFG0_RRT_SHIFT ) \
				| ( 0 << TIMING_CFG0_WWT_SHIFT ) \
				| ( 2 << TIMING_CFG0_ACT_PD_EXIT_SHIFT ) \
				| ( 2 << TIMING_CFG0_PRE_PD_EXIT_SHIFT ) \
				| ( 8 << TIMING_CFG0_ODT_PD_EXIT_SHIFT ) \
				| ( 2 << TIMING_CFG0_MRS_CYC_SHIFT ) )
				/* 0x00220802 */
#define CFG_DDR_TIMING_1	( ( 3 << TIMING_CFG1_PRETOACT_SHIFT ) \
				| ( 9 << TIMING_CFG1_ACTTOPRE_SHIFT ) \
				| ( 3 << TIMING_CFG1_ACTTORW_SHIFT ) \
				| ( 5 << TIMING_CFG1_CASLAT_SHIFT ) \
				| (13 << TIMING_CFG1_REFREC_SHIFT ) \
				| ( 3 << TIMING_CFG1_WRREC_SHIFT ) \
				| ( 2 << TIMING_CFG1_ACTTOACT_SHIFT ) \
				| ( 2 << TIMING_CFG1_WRTORD_SHIFT ) )
				/* 0x3935d322 */
#define CFG_DDR_TIMING_2	( ( 0 << TIMING_CFG2_ADD_LAT_SHIFT ) \
				| (31 << TIMING_CFG2_CPO_SHIFT ) \
				| ( 2 << TIMING_CFG2_WR_LAT_DELAY_SHIFT ) \
				| ( 2 << TIMING_CFG2_RD_TO_PRE_SHIFT ) \
				| ( 2 << TIMING_CFG2_WR_DATA_DELAY_SHIFT ) \
				| ( 3 << TIMING_CFG2_CKE_PLS_SHIFT ) \
				| (10 << TIMING_CFG2_FOUR_ACT_SHIFT) )
				/* 0x0f9048ca */ /* P9-45,may need tuning */
#define CFG_DDR_INTERVAL	( ( 800 << SDRAM_INTERVAL_REFINT_SHIFT ) \
				| ( 100 << SDRAM_INTERVAL_BSTOPRE_SHIFT ) )
				/* 0x03200064 */
#if defined(CONFIG_DDR_2T_TIMING)
#define CFG_SDRAM_CFG		( SDRAM_CFG_SREN \
				| SDRAM_CFG_SDRAM_TYPE_DDR2 \
				| SDRAM_CFG_2T_EN \
				| SDRAM_CFG_DBW_32 )
#else
#define CFG_SDRAM_CFG		( SDRAM_CFG_SREN \
				| SDRAM_CFG_SDRAM_TYPE_DDR2 \
				| SDRAM_CFG_32_BE )
				/* 0x43080000 */
#endif
#define CFG_SDRAM_CFG2		0x00401000;
/* set burst length to 8 for 32-bit data path */
#define CFG_DDR_MODE		( ( 0x4440 << SDRAM_MODE_ESD_SHIFT ) \
				| ( 0x0232 << SDRAM_MODE_SD_SHIFT ) )
				/* 0x44400232 */
#define CFG_DDR_MODE_2		0x8000C000;

#define CFG_DDR_CLK_CNTL	DDR_SDRAM_CLK_CNTL_CLK_ADJUST_05
				/*0x02000000*/
#define CFG_DDRCDR_VALUE	( DDRCDR_EN \
				| DDRCDR_PZ_NOMZ \
				| DDRCDR_NZ_NOMZ \
				| DDRCDR_M_ODR )

/*
 * FLASH on the Local Bus
 */
#define CFG_FLASH_CFI				/* use the Common Flash Interface */
#define CFG_FLASH_CFI_DRIVER			/* use the CFI driver */
#define CFG_FLASH_BASE		0xFE000000	/* start of FLASH   */
#define CFG_FLASH_SIZE		8		/* flash size in MB */
#define CFG_FLASH_EMPTY_INFO			/* display empty sectors */
#define CFG_FLASH_USE_BUFFER_WRITE		/* buffer up multiple bytes */

#define CFG_BR0_PRELIM		(CFG_FLASH_BASE |	/* flash Base address */ \
				(2 << BR_PS_SHIFT) |	/* 16 bit port size */ \
				BR_V)			/* valid */
#define CFG_OR0_PRELIM		( 0xFF000000		/* 16 MByte */ \
				| OR_GPCM_XACS \
				| OR_GPCM_SCY_9 \
				| OR_GPCM_EHTR \
				| OR_GPCM_EAD )
				/* 0xFF006FF7	TODO SLOW 16 MB flash size */
#define CFG_LBLAWBAR0_PRELIM	CFG_FLASH_BASE	/* window base at flash base */
#define CFG_LBLAWAR0_PRELIM	0x80000017	/* 16 MB window size */

#define CFG_MAX_FLASH_BANKS	1		/* number of banks */
#define CFG_MAX_FLASH_SECT	135		/* sectors per device */

#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 */

#if (CFG_MONITOR_BASE < CFG_FLASH_BASE)
#define CFG_RAMBOOT
#endif

#define CFG_INIT_RAM_LOCK	1
#define CFG_INIT_RAM_ADDR	0xFD000000	/* Initial RAM address */
#define CFG_INIT_RAM_END	0x1000		/* End of used area in RAM*/

#define CFG_GBL_DATA_SIZE	0x100		/* num bytes initial data */
#define CFG_GBL_DATA_OFFSET	(CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
#define CFG_INIT_SP_OFFSET	CFG_GBL_DATA_OFFSET

#define CFG_MONITOR_LEN		(256 * 1024)	/* Reserve 256 kB for Mon */
#define CFG_MALLOC_LEN		(512 * 1024)	/* Reserved for malloc */

/*
 * Local Bus LCRR and LBCR regs
 */
#define CFG_LCRR	LCRR_EADC_1 | LCRR_CLKDIV_2	/* 0x00010002 */
#define CFG_LBC_LBCR	( 0x00040000 /* TODO */ \
			| (0xFF << LBCR_BMT_SHIFT) \
			| 0xF )	/* 0x0004ff0f */

#define CFG_LBC_MRTPR	0x20000000  /*TODO */ 	/* LB refresh timer prescal, 266MHz/32 */

/* drivers/nand/nand.c */
#define CFG_NAND_BASE		0xE2800000	/* 0xF0000000 */
#define CFG_MAX_NAND_DEVICE	1
#define NAND_MAX_CHIPS		1
#define CONFIG_MTD_NAND_VERIFY_WRITE

#define CFG_BR1_PRELIM		( CFG_NAND_BASE \
				| (2<<BR_DECC_SHIFT)	/* Use HW ECC */ \
				| BR_PS_8		/* Port Size = 8 bit */ \
				| BR_MS_FCM		/* MSEL = FCM */ \
				| BR_V )		/* valid */
#define CFG_OR1_PRELIM		( 0xFFFF8000		/* length 32K */ \
				| OR_FCM_CSCT \
				| OR_FCM_CST \
				| OR_FCM_CHT \
				| OR_FCM_SCY_1 \
				| OR_FCM_TRLX \
				| OR_FCM_EHTR )
				/* 0xFFFF8396 */
#define CFG_LBLAWBAR1_PRELIM	CFG_NAND_BASE
#define CFG_LBLAWAR1_PRELIM	0x8000000E	/* 32KB  */

#define CFG_VSC7385_BASE	0xF0000000

#define CONFIG_VSC7385_ENET			/* VSC7385 ethernet support */
#define CFG_BR2_PRELIM		0xf0000801	/* VSC7385 Base address */
#define CFG_OR2_PRELIM		0xfffe09ff	/* VSC7385, 128K bytes*/
#define CFG_LBLAWBAR2_PRELIM	CFG_VSC7385_BASE/* Access window base at VSC7385 base */
#define CFG_LBLAWAR2_PRELIM	0x80000010	/* Access window size 128K */

/* local bus read write buffer mapping */
#define CFG_BR3_PRELIM		0xFA000801	/* map at 0xFA000000 */
#define CFG_OR3_PRELIM		0xFFFF8FF7	/* 32kB */
#define CFG_LBLAWBAR3_PRELIM	0xFA000000
#define CFG_LBLAWAR3_PRELIM	0x8000000E	/* 32KB  */

/* pass open firmware flat tree */
#define CONFIG_OF_LIBFDT	1
#define CONFIG_OF_BOARD_SETUP	1

#define OF_CPU			"PowerPC,8313@0"
#define OF_SOC			"soc8313@e0000000"
#define OF_TBCLK		(bd->bi_busfreq / 4)
#define OF_STDOUT_PATH		"/soc8313@e0000000/serial@4500"

/*
 * Serial Port
 */
#define CONFIG_CONS_INDEX	1
#define CFG_NS16550
#define CFG_NS16550_SERIAL
#define CFG_NS16550_REG_SIZE	1
#define CFG_NS16550_CLK		get_bus_freq(0)

#define CFG_BAUDRATE_TABLE	\
	{300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 115200}

#define CFG_NS16550_COM1	(CFG_IMMR+0x4500)
#define CFG_NS16550_COM2	(CFG_IMMR+0x4600)

/* Use the HUSH parser */
#define CFG_HUSH_PARSER
#define CFG_PROMPT_HUSH_PS2 "> "

/* I2C */
#define CONFIG_HARD_I2C			/* I2C with hardware support*/
#define CONFIG_FSL_I2C
#define CONFIG_I2C_MULTI_BUS
#define CONFIG_I2C_CMD_TREE
#define CFG_I2C_SPEED		400000	/* I2C speed and slave address */
#define CFG_I2C_SLAVE		0x7F
#define CFG_I2C_NOPROBES	{{0,0x69}} /* Don't probe these addrs */
#define CFG_I2C_OFFSET		0x3000
#define CFG_I2C2_OFFSET		0x3100

/* TSEC */
#define CFG_TSEC1_OFFSET	0x24000
#define CFG_TSEC1		(CFG_IMMR+CFG_TSEC1_OFFSET)
#define CFG_TSEC2_OFFSET	0x25000
#define CFG_TSEC2		(CFG_IMMR+CFG_TSEC2_OFFSET)
#define CONFIG_NET_MULTI

/*
 * General PCI
 * Addresses are mapped 1-1.
 */
#define CFG_PCI1_MEM_BASE	0x80000000
#define CFG_PCI1_MEM_PHYS	CFG_PCI1_MEM_BASE
#define CFG_PCI1_MEM_SIZE	0x10000000	/* 256M */
#define CFG_PCI1_MMIO_BASE	0x90000000
#define CFG_PCI1_MMIO_PHYS	CFG_PCI1_MMIO_BASE
#define CFG_PCI1_MMIO_SIZE	0x10000000	/* 256M */