/* * (C) Copyright 2001-2003 * 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 */ /* * * Configuration settings for the CPC45 board. * */ /* ------------------------------------------------------------------------- */ /* * 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_MPC8245 1 #define CONFIG_CPC45 1 #define CONFIG_CONS_INDEX 1 #define CONFIG_BAUDRATE 9600 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */ #define CONFIG_PREBOOT "echo;echo Type \"run flash_nfs\" to mount root filesystem over NFS;echo" #define CONFIG_BOOTDELAY 5 #define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE) #define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \ CFG_CMD_BEDBUG | \ CFG_CMD_DHCP | \ CFG_CMD_PCI | \ 0 /* CFG_CMD_DATE */ ) /* This must be included AFTER the definition of CONFIG_COMMANDS (if any) */ #include /* * Miscellaneous configurable options */ #define CFG_LONGHELP /* undef to save memory */ #define CFG_PROMPT "=> " /* Monitor Command Prompt */ #define CFG_CBSIZE 256 /* Console I/O Buffer Size */ #if 1 #define CFG_HUSH_PARSER 1 /* use "hush" command parser */ #endif #ifdef CFG_HUSH_PARSER #define CFG_PROMPT_HUSH_PS2 "> " #endif /* Print Buffer Size */ #define CFG_PBSIZE (CFG_CBSIZE + sizeof(CFG_PROMPT) + 16) #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 */ /*----------------------------------------------------------------------- * 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 #if defined(CONFIG_BOOT_ROM) #define CFG_FLASH_BASE 0xFF000000 #else #define CFG_FLASH_BASE 0xFF800000 #endif #define CFG_RESET_ADDRESS 0xFFF00100 #define CFG_EUMB_ADDR 0xFCE00000 #define CFG_MONITOR_BASE TEXT_BASE #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */ #define CFG_MEMTEST_START 0x00004000 /* memtest works on */ #define CFG_MEMTEST_END 0x02000000 /* 0 ... 32 MB in DRAM */ /* Maximum amount of RAM. */ #define CFG_MAX_RAM_SIZE 0x10000000 #if CFG_MONITOR_BASE >= CFG_FLASH_BASE #undef CFG_RAMBOOT #else #define CFG_RAMBOOT #endif /*----------------------------------------------------------------------- * Definitions for initial stack pointer and data area */ /* Size in bytes reserved for initial data */ #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) /* * NS16550 Configuration */ #define CFG_NS16550 #define CFG_NS16550_SERIAL #define CFG_NS16550_REG_SIZE 1 #define CFG_NS16550_CLK get_bus_freq(0) #define CFG_NS16550_COM1 (CFG_EUMB_ADDR + 0x4500) #define CFG_NS16550_COM2 (CFG_EUMB_ADDR + 0x4600) #define DUART_DCR (CFG_EUMB_ADDR + 0x4511) /* * Low Level Configuration Settings * (address mappings, register initial values, etc.) * You should know what you are doing if you make changes here. * For the detail description refer to the MPC8240 user's manual. */ #define CONFIG_SYS_CLK_FREQ 33000000 #define CFG_HZ 1000 /* * SDRAM Configuration Settings * Please note: currently only 64 and 128 MB SDRAM size supported * set CFG_SDRAM_SIZE to 64 or 128 * Memory configuration using SPD information stored on the SODIMMs * not yet supported. */ #define CFG_SDRAM_SIZE 64 /* SDRAM size -- 64 or 128 MB supported */ /* Bit-field values for MCCR1. */ #define CFG_ROMNAL 0 #define CFG_ROMFAL 7 #if (CFG_SDRAM_SIZE == 64) /* 64 MB */ #define CFG_BANK0_ROW 0 /* SDRAM bank 7-0 row address */ #elif (CFG_SDRAM_SIZE == 128) /* 128 MB */ #define CFG_BANK0_ROW 2 /* SDRAM bank 7-0 row address */ #else # error "SDRAM size not supported" #endif #define CFG_BANK1_ROW 0 #define CFG_BANK2_ROW 0 #define CFG_BANK3_ROW 0 #define CFG_BANK4_ROW 0 #define CFG_BANK5_ROW 0 #define CFG_BANK6_ROW 0 #define CFG_BANK7_ROW 0 /* Bit-field values for MCCR2. */ #define CFG_REFINT 430 /* Refresh interval */ /* Burst To Precharge. Bits of this value go to MCCR3 and MCCR4. */ #define CFG_BSTOPRE 192 /* Bit-field values for MCCR3. */ #define CFG_REFREC 2 /* Refresh to activate interval */ #define CFG_RDLAT 3 /* Data latancy from read command */ /* Bit-field values for MCCR4. */ #define CFG_PRETOACT 2 /* Precharge to activate interval */ #define CFG_ACTTOPRE 5 /* Activate to Precharge interval */ #define CFG_SDMODE_CAS_LAT 2 /* SDMODE CAS latancy */ #define CFG_SDMODE_WRAP 0 /* SDMODE wrap type */ #define CFG_SDMODE_BURSTLEN 2 /* SDMODE Burst length */ #define CFG_ACTORW 2 #define CFG_REGISTERD_TYPE_BUFFER 1 #define CFG_EXTROM 1 #define CFG_REGDIMM 0 /* Memory bank settings. * Only bits 20-29 are actually used from these vales to set the * start/end addresses. The upper two bits will always be 0, and the lower * 20 bits will be 0x00000 for a start address, or 0xfffff for an end * address. Refer to the MPC8240 book. */ #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 0x3ff00000 #define CFG_BANK4_END 0x3fffffff #define CFG_BANK4_ENABLE 0 #define CFG_BANK5_START 0x3ff00000 #define CFG_BANK5_END 0x3fffffff #define CFG_BANK5_ENABLE 0 #define CFG_BANK6_START 0x3ff00000 #define CFG_BANK6_END 0x3fffffff #define CFG_BANK6_ENABLE 0 #define CFG_BANK7_START 0x3ff00000 #define CFG_BANK7_END 0x3fffffff #define CFG_BANK7_ENABLE 0 #define CFG_ODCR 0xff #define CFG_IBAT0L (CFG_SDRAM_BASE | BATL_PP_10 | BATL_MEMCOHERENCE) #define CFG_IBAT0U (CFG_SDRAM_BASE | BATU_BL_256M | BATU_VS | BATU_VP) #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) #define CFG_IBAT2L (0x80000000 | BATL_PP_10 | BATL_CACHEINHIBIT) #define CFG_IBAT2U (0x80000000 | BATU_BL_256M | BATU_VS | BATU_VP) #define CFG_IBAT3L (0xFC000000 | BATL_PP_10 | BATL_CACHEINHIBIT) #define CFG_IBAT3U (0xFC000000 | BATU_BL_64M | 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 1 /* Max number of flash banks */ #define CFG_MAX_FLASH_SECT 39 /* Max number of sectors in one bank */ #define INTEL_ID_28F160F3T 0x88F388F3 /* 16M = 1M x 16 top boot sector */ #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ /* Warining: environment is not EMBEDDED in the ppcboot code. * It's stored in flash separately. */ #define CFG_ENV_IS_IN_FLASH 1 #define CFG_ENV_ADDR (CFG_FLASH_BASE + 0x7C0000) #define CFG_ENV_SIZE 0x4000 /* Size of the Environment */ #define CFG_ENV_OFFSET 0 /* starting right at the beginning */ #define CFG_ENV_SECT_SIZE 0x8000 /* Size of the Environment Sector */ /*----------------------------------------------------------------------- * 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 */ #define SRAM_BASE 0x80000000 /* SRAM base address */ #define SRAM_END 0x801FFFFF /*---------------------------------------------------------------------*/ /* CPC45 Memory Map */ /*---------------------------------------------------------------------*/ #define SRAM_BASE 0x80000000 /* SRAM base address */ #define ST16552_A_BASE 0x80200000 /* ST16552 channel A */ #define ST16552_B_BASE 0x80400000 /* ST16552 channel A */ #define BCSR_BASE 0x80600000 /* board control / status registers */ #define DISPLAY_BASE 0x80600040 /* DISPLAY base */ #define PCMCIA_MEM_BASE 0x81000000 /* PCMCIA memory window base */ #define PCMCIA_IO_BASE 0xFE000000 /* PCMCIA IO window base */ /*---------------------------------------------------------------------*/ /* CPC45 Control/Status Registers */ /*---------------------------------------------------------------------*/ #define IRQ_ENA_1 *((volatile uchar*)(BCSR_BASE + 0x00)) #define IRQ_STAT_1 *((volatile uchar*)(BCSR_BASE + 0x01)) #define IRQ_ENA_2 *((volatile uchar*)(BCSR_BASE + 0x02)) #define IRQ_STAT_2 *((volatile uchar*)(BCSR_BASE + 0x03)) #define BOARD_CTRL *((volatile uchar*)(BCSR_BASE + 0x04)) #define BOARD_STAT *((volatile uchar*)(BCSR_BASE + 0x05)) #define WDG_START *((volatile uchar*)(BCSR_BASE + 0x06)) #define WDG_PRESTOP *((volatile uchar*)(BCSR_BASE + 0x06)) #define WDG_STOP *((volatile uchar*)(BCSR_BASE + 0x06)) #define BOARD_REV *((volatile uchar*)(BCSR_BASE + 0x07)) /* IRQ_ENA_1 bit definitions */ #define I_ENA_1_IERA 0x80 /* INTA enable */ #define I_ENA_1_IERB 0x40 /* INTB enable */ #define I_ENA_1_IERC 0x20 /* INTC enable */ #define I_ENA_1_IERD 0x10 /* INTD enable */ /* IRQ_STAT_1 bit definitions */ #define I_STAT_1_INTA 0x80 /* INTA status */ #define I_STAT_1_INTB 0x40 /* INTB status */ #define I_STAT_1_INTC 0x20 /* INTC status */ #define I_STAT_1_INTD 0x10 /* INTD status */ /* IRQ_ENA_2 bit definitions */ #define I_ENA_2_IEAB 0x80 /* ABORT IRQ enable */ #define I_ENA_2_IEK1 0x40 /* KEY1 IRQ enable */ #define I_ENA_2_IEK2 0x20 /* KEY2 IRQ enable */ #define I_ENA_2_IERT 0x10 /* RTC IRQ enable */ #define I_ENA_2_IESM 0x08 /* LM81 IRQ enable */ #define I_ENA_2_IEDG 0x04 /* DEGENERATING IRQ enable */ #define I_ENA_2_IES2 0x02 /* ST16552/B IRQ enable */ #define I_ENA_2_IES1 0x01 /* ST16552/A IRQ enable */ /* IRQ_STAT_2 bit definitions */ #define I_STAT_2_ABO 0x80 /* ABORT IRQ status */ #define I_STAT_2_KY1 0x40 /* KEY1 IRQ status */ #define I_STAT_2_KY2 0x20 /* KEY2 IRQ status */ #define I_STAT_2_RTC 0x10 /* RTC IRQ status */ #define I_STAT_2_SMN 0x08 /* LM81 IRQ status */ #define I_STAT_2_DEG 0x04 /* DEGENERATING IRQ status */ #define I_STAT_2_SIO2 0x02 /* ST16552/B IRQ status */ #define I_STAT_2_SIO1 0x01 /* ST16552/A IRQ status */ /* BOARD_CTRL bit definitions */ #define USER_LEDS 2 /* 2 user LEDs */ #if (USER_LEDS == 4) #define B_CTRL_WRSE 0x80 #define B_CTRL_KRSE 0x40 #define B_CTRL_FWRE 0x20 /* Flash write enable */ #define B_CTRL_FWPT 0x10 /* Flash write protect */ #define B_CTRL_LED3 0x08 /* LED 3 control */ #define B_CTRL_LED2 0x04 /* LED 2 control */ #define B_CTRL_LED1 0x02 /* LED 1 control */ #define B_CTRL_LED0 0x01 /* LED 0 control */ #else #define B_CTRL_WRSE 0x80 #define B_CTRL_KRSE 0x40 #define B_CTRL_FWRE_1 0x20 /* Flash write enable */ #define B_CTRL_FWPT_1 0x10 /* Flash write protect */ #define B_CTRL_LED1 0x08 /* LED 1 control */ #define B_CTRL_LED0 0x04 /* LED 0 control */ #define B_CTRL_FWRE_0 0x02 /* Flash write enable */ #define B_CTRL_FWPT_0 0x01 /* Flash write protect */ #endif /* BOARD_STAT bit definitions */ #define B_STAT_WDGE 0x80 #define B_STAT_WDGS 0x40 #define B_STAT_WRST 0x20 #define B_STAT_KRST 0x10 #define B_STAT_CSW3 0x08 /* sitch bit 3 status */ #define B_STAT_CSW2 0x04 /* sitch bit 2 status */ #define B_STAT_CSW1 0x02 /* sitch bit 1 status */ #define B_STAT_CSW0 0x01 /* sitch bit 0 status */ /*---------------------------------------------------------------------*/ /* Display addresses */ /*---------------------------------------------------------------------*/ #define DISP_UDC_RAM (DISPLAY_BASE + 0x08) /* UDC RAM */ #define DISP_CHR_RAM (DISPLAY_BASE + 0x18) /* character Ram */ #define DISP_FLASH (DISPLAY_BASE + 0x20) /* Flash Ram */ #define DISP_UDC_ADR *((volatile uchar*)(DISPLAY_BASE + 0x00)) /* UDC Address Reg. */ #define DISP_CWORD *((volatile uchar*)(DISPLAY_BASE + 0x10)) /* Control Word Reg. */ #define DISP_DIG0 *((volatile uchar*)(DISP_CHR_RAM + 0x00)) /* Digit 0 address */ #define DISP_DIG1 *((volatile uchar*)(DISP_CHR_RAM + 0x01)) /* Digit 0 address */ #define DISP_DIG2 *((volatile uchar*)(DISP_CHR_RAM + 0x02)) /* Digit 0 address */ #define DISP_DIG3 *((volatile uchar*)(DISP_CHR_RAM + 0x03)) /* Digit 0 address */ #define DISP_DIG4 *((volatile uchar*)(DISP_CHR_RAM + 0x04)) /* Digit 0 address */ #define DISP_DIG5 *((volatile uchar*)(DISP_CHR_RAM + 0x05)) /* Digit 0 address */ #define DISP_DIG6 *((volatile uchar*)(DISP_CHR_RAM + 0x06)) /* Digit 0 address */ #define DISP_DIG7 *((volatile uchar*)(DISP_CHR_RAM + 0x07)) /* Digit 0 address */ /*----------------------------------------------------------------------- * 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 0x00104000 #define PCI_ENET0_MEMADDR 0x82000000 #define PCI_PLX9030_MEMADDR 0x82100000 #endif /* __CONFIG_H */