mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-11 15:37:23 +00:00
359 lines
13 KiB
C
359 lines
13 KiB
C
/*
|
|
* (C) Copyright 2000
|
|
* Wolfgang Denk, DENX Software Engineering, wd@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_MPC850 1 /* This is a MPC850 CPU */
|
|
#define CONFIG_ETX094 1 /* ...on a ETX_094 board */
|
|
|
|
#define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
|
|
#undef CONFIG_8xx_CONS_SMC2
|
|
#undef CONFIG_8xx_CONS_NONE
|
|
#define CONFIG_BAUDRATE 57600
|
|
#if 0
|
|
#define CONFIG_BOOTDELAY -1 /* autoboot disabled */
|
|
#else
|
|
#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
|
|
#endif
|
|
|
|
#define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
|
|
|
|
#define CONFIG_BOARD_TYPES 1 /* support board types */
|
|
|
|
#define CONFIG_FLASH_16BIT /* for board with 16bit wide flash */
|
|
#undef SB_ETX094 /* only for SB-Board with 16MB SDRAM */
|
|
#define CONFIG_BOOTP_RANDOM_DELAY /* graceful BOOTP recovery mode */
|
|
|
|
#define CONFIG_ETHADDR 08:00:06:00:00:00
|
|
|
|
#ifdef CONFIG_ETHADDR
|
|
#define CONFIG_OVERWRITE_ETHADDR_ONCE 1 /* default MAC can be overwritten once */
|
|
#endif
|
|
|
|
#undef CONFIG_BOOTARGS
|
|
#define CONFIG_RAMBOOTCOMMAND \
|
|
"bootp; " \
|
|
"setenv bootargs root=/dev/ram rw ramdisk_size=4690 " \
|
|
"U-Boot_version=U-Boot-1.0.x-Date " \
|
|
"panic=1 " \
|
|
"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; " \
|
|
"bootm"
|
|
#define CONFIG_NFSBOOTCOMMAND \
|
|
"bootp; " \
|
|
"setenv bootargs root=/dev/nfs rw nfsroot=${nfsip}:${rootpath} " \
|
|
"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; " \
|
|
"bootm"
|
|
#define CONFIG_BOOTCOMMAND CONFIG_RAMBOOTCOMMAND
|
|
|
|
#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
|
|
#undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
|
|
|
|
#define CONFIG_WATCHDOG 1 /* watchdog enabled */
|
|
|
|
#define CONFIG_STATUS_LED 1 /* Status LED enabled */
|
|
|
|
#define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE)
|
|
|
|
|
|
/*
|
|
* Command line configuration.
|
|
*/
|
|
#include <config_cmd_default.h>
|
|
|
|
|
|
/*
|
|
* Miscellaneous configurable options
|
|
*/
|
|
#define CFG_LONGHELP /* undef to save memory */
|
|
#define CFG_PROMPT "=> " /* Monitor Command Prompt */
|
|
#if defined(CONFIG_CMD_KGDB)
|
|
#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
|
|
#else
|
|
#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
|
|
#endif
|
|
#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_MEMTEST_START 0x0300000 /* memtest works on */
|
|
#define CFG_MEMTEST_END 0x0700000 /* 3 ... 7 MB in DRAM */
|
|
|
|
#define CFG_LOAD_ADDR 0x100000 /* default load address */
|
|
|
|
#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
|
|
|
|
#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
|
|
|
|
/*
|
|
* Low Level Configuration Settings
|
|
* (address mappings, register initial values, etc.)
|
|
* You should know what you are doing if you make changes here.
|
|
*/
|
|
/*-----------------------------------------------------------------------
|
|
* Internal Memory Mapped Register
|
|
*/
|
|
#define CFG_IMMR 0xFFF00000
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* Definitions for initial stack pointer and data area (in DPRAM)
|
|
*/
|
|
#define CFG_INIT_RAM_ADDR CFG_IMMR
|
|
#define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
|
|
#define CFG_GBL_DATA_SIZE 64 /* 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
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* 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_FLASH_BASE 0x40000000
|
|
#ifdef DEBUG
|
|
#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
|
|
#else
|
|
#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
|
|
#endif
|
|
#define CFG_MONITOR_BASE CFG_FLASH_BASE
|
|
#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
|
|
|
|
/*
|
|
* 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 1 /* max number of memory banks */
|
|
#define CFG_MAX_FLASH_SECT 35 /* max number of sectors on one chip */
|
|
|
|
#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
|
|
#define CFG_FLASH_WRITE_TOUT 1000 /* Timeout for Flash Write (in ms) */
|
|
|
|
#define CFG_ENV_IS_IN_FLASH 1
|
|
#ifdef CONFIG_FLASH_16BIT
|
|
#define CFG_ENV_OFFSET 0x8000 /* Offset of Environment Sector */
|
|
#define CFG_ENV_SIZE 0x8000 /* Total Size of Environment Sector */
|
|
#else
|
|
#define CFG_ENV_OFFSET 0x8000 /* Offset of Environment Sector */
|
|
#define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
|
|
#endif
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* Hardware Information Block
|
|
*/
|
|
#define CFG_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
|
|
#define CFG_HWINFO_SIZE 0x00000040 /* size of HW Info block */
|
|
#define CFG_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* Cache Configuration
|
|
*/
|
|
#define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
|
|
#if defined(CONFIG_CMD_KGDB)
|
|
#define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
|
|
#endif
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* SYPCR - System Protection Control 11-9
|
|
* SYPCR can only be written once after reset!
|
|
*-----------------------------------------------------------------------
|
|
* Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
|
|
*/
|
|
#if defined(CONFIG_WATCHDOG)
|
|
#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
|
|
SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
|
|
#else
|
|
#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
|
|
#endif /* CONFIG_WATCHDOG */
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* SIUMCR - SIU Module Configuration 11-6
|
|
*-----------------------------------------------------------------------
|
|
* PCMCIA config., multi-function pin tri-state
|
|
*/
|
|
#define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* TBSCR - Time Base Status and Control 11-26
|
|
*-----------------------------------------------------------------------
|
|
* Clear Reference Interrupt Status, Timebase freezing enabled
|
|
*/
|
|
#define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* RTCSC - Real-Time Clock Status and Control Register 11-27
|
|
*-----------------------------------------------------------------------
|
|
*/
|
|
#define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* PISCR - Periodic Interrupt Status and Control 11-31
|
|
*-----------------------------------------------------------------------
|
|
* Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
|
|
*/
|
|
#define CFG_PISCR (PISCR_PS | PISCR_PITF)
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
|
|
*-----------------------------------------------------------------------
|
|
* Reset PLL lock status sticky bit, timer expired status bit and timer
|
|
* interrupt status bit - leave PLL multiplication factor unchanged !
|
|
*/
|
|
#define CFG_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* SCCR - System Clock and reset Control Register 15-27
|
|
*-----------------------------------------------------------------------
|
|
* Set clock output, timebase and RTC source and divider,
|
|
* power management and some other internal clocks
|
|
*/
|
|
#define SCCR_MASK SCCR_EBDF11
|
|
#define CFG_SCCR (SCCR_TBS | \
|
|
SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
|
|
SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
|
|
SCCR_DFALCD00)
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* PCMCIA stuff
|
|
*-----------------------------------------------------------------------
|
|
*
|
|
*/
|
|
#define CFG_PCMCIA_MEM_ADDR (0xE0000000)
|
|
#define CFG_PCMCIA_MEM_SIZE ( 64 << 20 )
|
|
#define CFG_PCMCIA_DMA_ADDR (0xE4000000)
|
|
#define CFG_PCMCIA_DMA_SIZE ( 64 << 20 )
|
|
#define CFG_PCMCIA_ATTRB_ADDR (0xE8000000)
|
|
#define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 )
|
|
#define CFG_PCMCIA_IO_ADDR (0xEC000000)
|
|
#define CFG_PCMCIA_IO_SIZE ( 64 << 20 )
|
|
|
|
/*-----------------------------------------------------------------------
|
|
*
|
|
*-----------------------------------------------------------------------
|
|
*
|
|
*/
|
|
#define CFG_DER 0
|
|
|
|
/*
|
|
* Init Memory Controller:
|
|
*
|
|
* BR0/1 and OR0/1 (FLASH)
|
|
*/
|
|
|
|
#define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
|
|
#define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */
|
|
|
|
/* used to re-map FLASH both when starting from SRAM or FLASH:
|
|
* restrict access enough to keep SRAM working (if any)
|
|
* but not too much to meddle with FLASH accesses
|
|
*/
|
|
#define CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */
|
|
#define CFG_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
|
|
|
|
/* FLASH timing: ACS = 11, TRLX = 1, CSNT = 0, SCY = 2, EHTR = 0 */
|
|
#define CFG_OR_TIMING_FLASH (OR_ACS_DIV2 | OR_BI | \
|
|
OR_SCY_2_CLK | OR_TRLX )
|
|
|
|
#define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH)
|
|
#define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
|
|
|
|
#ifdef CONFIG_FLASH_16BIT /* 16 bit data port */
|
|
#define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V | BR_PS_16)
|
|
#define CFG_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V | BR_PS_16)
|
|
#else /* 32 bit data port */
|
|
#define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V | BR_PS_32)
|
|
#define CFG_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V | BR_PS_32)
|
|
#endif /* CONFIG_FLASH_16BIT */
|
|
|
|
#define CFG_OR1_REMAP CFG_OR0_REMAP
|
|
#define CFG_OR1_PRELIM CFG_OR0_PRELIM
|
|
|
|
/*
|
|
* BR2/3 and OR2/3 (SDRAM)
|
|
*
|
|
*/
|
|
#define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */
|
|
#define SDRAM_BASE3_PRELIM 0x20000000 /* SDRAM bank #1 */
|
|
#define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */
|
|
|
|
/* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
|
|
#define CFG_OR_TIMING_SDRAM 0x00000A00
|
|
|
|
#define CFG_OR2_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_SDRAM )
|
|
#define CFG_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
|
|
|
|
#define CFG_OR3_PRELIM CFG_OR2_PRELIM
|
|
#define CFG_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
|
|
|
|
/*
|
|
* Memory Periodic Timer Prescaler
|
|
*/
|
|
|
|
/* periodic timer for refresh */
|
|
#define CFG_MAMR_PTA 23 /* start with divider for 100 MHz */
|
|
|
|
/* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */
|
|
#define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
|
|
#define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
|
|
|
|
/* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
|
|
#define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
|
|
#define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
|
|
|
|
/*
|
|
* MAMR settings for SDRAM
|
|
*/
|
|
|
|
/* 8 column SDRAM */
|
|
#define CFG_MAMR_8COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
|
|
MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
|
|
MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_1X)
|
|
/* 9 column SDRAM */
|
|
#define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
|
|
MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
|
|
MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_1X)
|
|
|
|
|
|
/*
|
|
* Internal Definitions
|
|
*
|
|
* Boot Flags
|
|
*/
|
|
#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
|
|
#define BOOTFLAG_WARM 0x02 /* Software reboot */
|
|
|
|
#endif /* __CONFIG_H */
|