| /* |
| * (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_DATE | \ |
| CFG_CMD_DHCP | \ |
| CFG_CMD_EEPROM | \ |
| CFG_CMD_I2C | \ |
| CFG_CMD_PCI | \ |
| CFG_CMD_SDRAM ) |
| |
| /* This must be included AFTER the definition of CONFIG_COMMANDS (if any) |
| */ |
| #include <cmd_confdefs.h> |
| |
| |
| /* |
| * 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) |
| |
| /* |
| * I2C configuration |
| */ |
| #define CONFIG_HARD_I2C 1 /* I2C with hardware support */ |
| |
| #define CFG_I2C_SPEED 100000 /* 100 kHz */ |
| #define CFG_I2C_SLAVE 0x7F |
| |
| /* |
| * RTC configuration |
| */ |
| #define CONFIG_RTC_PCF8563 |
| #define CFG_I2C_RTC_ADDR 0x51 |
| |
| /* |
| * EEPROM configuration |
| */ |
| #define CFG_I2C_EEPROM_ADDR 0x58 |
| #define CFG_I2C_EEPROM_ADDR_LEN 1 |
| #define CFG_EEPROM_PAGE_WRITE_BITS 4 |
| #define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 |
| #define CFG_I2C_EEPROM_ADDR_OVERFLOW 0x07 |
| |
| /* |
| * 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 |
| |
| |
| /* Bit-field values for MCCR1. |
| */ |
| #define CFG_ROMNAL 0 |
| #define CFG_ROMFAL 8 |
| |
| #define CFG_BANK0_ROW 0 /* SDRAM bank 7-0 row address */ |
| #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 0x2ec |
| |
| /* Burst To Precharge. Bits of this value go to MCCR3 and MCCR4. |
| */ |
| #define CFG_BSTOPRE 160 |
| |
| /* Bit-field values for MCCR3. |
| */ |
| #define CFG_REFREC 2 /* Refresh to activate interval */ |
| #define CFG_RDLAT 0 /* 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 0 |
| #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_PGMAX 0x32 /* how long the 8240 retains the */ |
| /* currently accessed page in memory */ |
| /* see 8240 book for details */ |
| |
| #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 + 0x7F8000) |
| #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 |
| #undef CONFIG_PCI_SCAN_SHOW |
| |
| #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 0x82000000 |
| #define PCI_ENET0_MEMADDR 0x82000000 |
| #define PCI_PLX9030_IOADDR 0x82100000 |
| #define PCI_PLX9030_MEMADDR 0x82100000 |
| #endif /* __CONFIG_H */ |