/* * (C) Copyright 2001 * 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_MPC824X 1 /* #define CONFIG_MPC8240 1 */ #define CONFIG_MPC8245 1 #define CONFIG_EXALION 1 #if defined (CONFIG_MPC8240) /* #warning ---------- eXalion with MPC8240 --------------- */ #elif defined (CONFIG_MPC8245) /* #warning ++++++++++ eXalion with MPC8245 +++++++++++++++ */ #elif defined (CONFIG_MPC8245) && defined (CONFIG_MPC8245) #error #### Both types of MPC824x defined (CONFIG_8240 and CONFIG_8245) #else #error #### Specific type of MPC824x must be defined (i.e. CONFIG_MPC8240) #endif /* older kernels need clock in MHz newer in Hz */ /* #define CONFIG_CLOCKS_IN_MHZ 1 */ /* clocks passsed to Linux in MHz */ #undef CONFIG_CLOCKS_IN_MHZ #define CONFIG_BOOTDELAY 10 /*#define CONFIG_DRAM_SPEED 66 */ /* MHz */ #define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \ CFG_CMD_FLASH | \ CFG_CMD_SDRAM | \ CFG_CMD_I2C | \ CFG_CMD_IDE | \ CFG_CMD_FAT | \ CFG_CMD_ENV | \ CFG_CMD_PCI ) /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ #include <cmd_confdefs.h> /*----------------------------------------------------------------------- * 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 8 /* max number of command args */ #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ #define CFG_LOAD_ADDR 0x00100000 /* default load address */ #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } #define CONFIG_MISC_INIT_R 1 /*----------------------------------------------------------------------- * 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 /* 1 GBytes - initdram() will */ /* return real value. */ #define CFG_RESET_ADDRESS 0xFFF00100 #undef CFG_RAMBOOT #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ #define CFG_MONITOR_BASE TEXT_BASE /*----------------------------------------------------------------------- * Definitions for initial stack pointer and data area */ #define CFG_INIT_DATA_SIZE 128 #define CFG_INIT_RAM_ADDR 0x40000000 #define CFG_INIT_RAM_END 0x1000 #define CFG_INIT_DATA_OFFSET (CFG_INIT_RAM_END - CFG_INIT_DATA_SIZE) #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 #if defined (CONFIG_MPC8240) #define CFG_FLASH_BASE 0xFFE00000 #define CFG_FLASH_SIZE (2 * 1024 * 1024) /* onboard 2MByte flash */ #elif defined (CONFIG_MPC8245) #define CFG_FLASH_BASE 0xFFC00000 #define CFG_FLASH_SIZE (4 * 1024 * 1024) /* onboard 4MByte flash */ #else #error Specific type of MPC824x must be defined (i.e. CONFIG_MPC8240) #endif #define CFG_ENV_IS_IN_FLASH 1 #define CFG_ENV_SECT_SIZE 0x20000 /* Size of one Flash sector */ #define CFG_ENV_SIZE CFG_ENV_SECT_SIZE /* Use one Flash sector for enviroment */ #define CFG_ENV_ADDR 0xFFFC0000 #define CFG_ENV_OFFSET 0 /* starting right at the beginning */ #define CFG_MALLOC_LEN (128 * 1024) /* Reserve 128 kB for malloc() */ #define CFG_ALT_MEMTEST 1 /* use real memory test */ #define CFG_MEMTEST_START 0x00004000 /* memtest works on */ #define CFG_MEMTEST_END 0x02000000 /* 0 ... 32 MB in DRAM */ #define CFG_EUMB_ADDR 0xFC000000 /* #define CFG_ISA_MEM 0xFD000000 */ #define CFG_ISA_IO 0xFE000000 /*----------------------------------------------------------------------- * FLASH organization */ #define CFG_MAX_FLASH_BANKS 1 /* Max number of flash banks */ #define CFG_MAX_FLASH_SECT 64 /* Max number of sectors per flash */ #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 FLASH_BASE0_PRELIM CFG_FLASH_BASE #define FLASH_BASE1_PRELIM 0 /*----------------------------------------------------------------------- * FLASH and environment organization */ #define CFG_FLASH_CFI 1 /* Flash is CFI conformant */ #define CFG_FLASH_CFI_DRIVER 1 /* Use the common driver */ #define CFG_MAX_FLASH_SECT 64 /* max number of sectors on one chip */ #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */ #define CFG_FLASH_INCREMENT 0 /* there is only one bank */ #define CFG_FLASH_PROTECTION 1 /* use hardware protection */ #define CFG_FLASH_USE_BUFFER_WRITE 1 /* use buffered writes (20x faster) */ /*----------------------------------------------------------------------- * PCI stuff */ #define CONFIG_PCI 1 /* include pci support */ #undef CONFIG_PCI_PNP #define CONFIG_NET_MULTI 1 /* Multi ethernet cards support */ #define CONFIG_EEPRO100 1 #define PCI_ENET0_MEMADDR 0x80000000 /* Intel 82559ER */ #define PCI_ENET0_IOADDR 0x80000000 #define PCI_ENET1_MEMADDR 0x81000000 /* Intel 82559ER */ #define PCI_ENET1_IOADDR 0x81000000 #define PCI_ENET2_MEMADDR 0x82000000 /* Broadcom BCM569xx */ #define PCI_ENET2_IOADDR 0x82000000 #define PCI_ENET3_MEMADDR 0x83000000 /* Broadcom BCM56xx */ #define PCI_ENET3_IOADDR 0x83000000 /*----------------------------------------------------------------------- * NS16550 Configuration */ #define CFG_NS16550 1 #define CFG_NS16550_SERIAL 1 #define CONFIG_CONS_INDEX 1 #define CONFIG_BAUDRATE 38400 #define CFG_NS16550_REG_SIZE 1 #if (CONFIG_CONS_INDEX == 1) #define CFG_NS16550_CLK 1843200 /* COM1 only ! */ #else #define CFG_NS16550_CLK ({ extern ulong get_bus_freq (ulong); get_bus_freq (0); }) #endif #define CFG_NS16550_COM1 (CFG_ISA_IO + 0x3F8) #define CFG_NS16550_COM2 (CFG_EUMB_ADDR + 0x4500) #define CFG_NS16550_COM3 (CFG_EUMB_ADDR + 0x4600) /*----------------------------------------------------------------------- * 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 /*----------------------------------------------------------------------- * Low Level Configuration Settings * (address mappings, register initial values, etc.) * You should know what you are doing if you make changes here. */ #define CFG_HZ 1000 #define CONFIG_SYS_CLK_FREQ 33333333 /* external frequency to pll */ #define CONFIG_PLL_PCI_TO_MEM_MULTIPLIER 2 /* for MPC8240 only */ /*#define CONFIG_133MHZ_DRAM 1 */ /* For 133 MHZ DRAM only !!!!!!!!!!! */ #if defined (CONFIG_MPC8245) /* Bit-field values for PMCR2. */ #if defined (CONFIG_133MHZ_DRAM) #define CFG_DLL_EXTEND 0x80 /* use DLL extended range - 133MHz only */ #define CFG_PCI_HOLD_DEL 0x20 /* delay and hold timing - 133MHz only */ #endif /* Bit-field values for MIOCR1. */ #if !defined (CONFIG_133MHZ_DRAM) #define CFG_DLL_MAX_DELAY 0x04 /* longer DLL delay line - 66MHz only */ #endif /* Bit-field values for MIOCR2. */ #define CFG_SDRAM_DSCD 0x20 /* SDRAM data in sample clock delay */ /* - note bottom 3 bits MUST be 0 */ #endif /* Bit-field values for MCCR1. */ #define CFG_ROMNAL 7 /*rom/flash next access time */ #define CFG_ROMFAL 11 /*rom/flash access time */ /* Bit-field values for MCCR2. */ #define CFG_TSWAIT 0x5 /* Transaction Start Wait States timer */ #if defined (CONFIG_133MHZ_DRAM) #define CFG_REFINT 1300 /* no of clock cycles between CBR */ #else /* refresh cycles */ #define CFG_REFINT 750 #endif /* Burst To Precharge. Bits of this value go to MCCR3 and MCCR4. */ #if defined (CONFIG_133MHZ_DRAM) #define CFG_BSTOPRE 1023 #else #define CFG_BSTOPRE 250 #endif /* Bit-field values for MCCR3. */ /* the following are for SDRAM only */ #if defined (CONFIG_133MHZ_DRAM) #define CFG_REFREC 9 /* Refresh to activate interval */ #else #define CFG_REFREC 5 /* Refresh to activate interval */ #endif #if defined (CONFIG_MPC8240) #define CFG_RDLAT 2 /* data latency from read command */ #endif /* Bit-field values for MCCR4. */ #if defined (CONFIG_133MHZ_DRAM) #define CFG_PRETOACT 3 /* Precharge to activate interval */ #define CFG_ACTTOPRE 7 /* Activate to Precharge interval */ #define CFG_ACTORW 5 /* Activate to R/W */ #define CFG_SDMODE_CAS_LAT 3 /* SDMODE CAS latency */ #else #if 0 #define CFG_PRETOACT 2 /* Precharge to activate interval */ #define CFG_ACTTOPRE 3 /* Activate to Precharge interval */ #define CFG_ACTORW 3 /* Activate to R/W */ #define CFG_SDMODE_CAS_LAT 2 /* SDMODE CAS latency */ #endif #define CFG_PRETOACT 2 /* 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 */ #endif #define CFG_SDMODE_WRAP 0 /* SDMODE wrap type */ #define CFG_SDMODE_BURSTLEN 2 /* SDMODE Burst length 2=4, 3=8 */ #define CFG_REGDIMM 0 #if defined (CONFIG_MPC8240) #define CFG_REGISTERD_TYPE_BUFFER 0 #elif defined (CONFIG_MPC8245) #define CFG_REGISTERD_TYPE_BUFFER 1 #define CFG_EXTROM 0 #else #error Specific type of MPC824x must be defined (i.e. CONFIG_MPC8240) #endif /*----------------------------------------------------------------------- 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 #if defined (CONFIG_MPC8240) #define CFG_ODCR 0xDF /* configures line driver impedances, */ /* see 8240 book for bit definitions */ #elif defined (CONFIG_MPC8245) #if defined (CONFIG_133MHZ_DRAM) #define CFG_ODCR 0xFE /* configures line driver impedances - 133MHz */ #else #define CFG_ODCR 0xDE /* configures line driver impedances - 66MHz */ #endif #else #error Specific type of MPC824x must be defined (i.e. CONFIG_MPC8240) #endif #define CFG_PGMAX 0x32 /* how long the 8240 retains the */ /* currently accessed page in memory */ /* see 8240 book for details */ /*----------------------------------------------------------------------- * Block Address Translation (BAT) register settings. */ /* 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) */ #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) /* 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 /*----------------------------------------------------------------------- * Cache Configuration */ #define CFG_CACHELINE_SIZE 32 #if (CONFIG_COMMANDS & CFG_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 /*----------------------------------------------------------------------- * IDE/ATA stuff */ #define CFG_IDE_MAXBUS 1 /* max. 2 IDE busses */ #define CFG_IDE_MAXDEVICE (CFG_IDE_MAXBUS*1) /* max. 2 drives per IDE bus */ #define CFG_ATA_BASE_ADDR CFG_ISA_IO /* base address */ #define CFG_ATA_IDE0_OFFSET 0x01F0 /* ide0 offste */ #define CFG_ATA_IDE1_OFFSET 0x0170 /* ide1 offset */ #define CFG_ATA_DATA_OFFSET 0 /* data reg offset */ #define CFG_ATA_REG_OFFSET 0 /* reg offset */ #define CFG_ATA_ALT_OFFSET 0x200 /* alternate register offset */ #define CONFIG_ATAPI #undef CONFIG_IDE_8xx_DIRECT /* no pcmcia interface required */ #undef CONFIG_IDE_LED /* no led for ide supported */ #undef CONFIG_IDE_RESET /* reset for ide supported... */ #undef CONFIG_IDE_RESET_ROUTINE /* with a special reset function */ /*----------------------------------------------------------------------- * DISK Partition support */ #define CONFIG_DOS_PARTITION /*----------------------------------------------------------------------- * 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 */ #endif /* __CONFIG_H */