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/*
* (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 <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)
/*
* 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 PCI_ENET0_IOADDR 0x00104000
#define PCI_ENET0_MEMADDR 0x82000000
#define PCI_PLX9030_MEMADDR 0x82100000
#endif /* __CONFIG_H */
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