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fe126d8b34
which makes the environment compatible with the hush shell. WARNING: Support for the old '$(...)' syntax will be discontinued in a later version.
355 lines
12 KiB
C
355 lines
12 KiB
C
/*
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* A collection of structures, addresses, and values associated with
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* the Motorola 860T FADS board. Copied from the MBX stuff.
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* Magnus Damm added defines for 8xxrom and extended bd_info.
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* Helmut Buchsbaum added bitvalues for BCSRx
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*
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* Copyright (c) 1998 Dan Malek (dmalek@jlc.net)
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*/
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/*
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* The GENIETV is using the following physical memorymap (copied from
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* the FADS configuration):
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*
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* ff020000 -> ff02ffff : pcmcia
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* ff010000 -> ff01ffff : BCSR connected to CS1, setup by 8xxROM
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* ff000000 -> ff00ffff : IMAP internal in the cpu
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* 30000000 -> 300fffff : flash connected to CS0
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* 00000000 -> nnnnnnnn : sdram setup by U-Boot
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*
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* CS pins are connected as follows:
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*
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* CS0 -512Kb boot flash
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* CS1 - SDRAM #1
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* CS2 - SDRAM #2
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* CS3 - Flash #1
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* CS4 - Flash #2
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* CS5 - Lon (if present)
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* CS6 - PCMCIA #1
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* CS7 - PCMCIA #2
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*/
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/* ------------------------------------------------------------------------- */
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/*
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* board/config.h - configuration options, board specific
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*/
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#ifndef __CONFIG_H
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#define __CONFIG_H
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#define CONFIG_ETHADDR 08:00:22:50:70:63 /* Ethernet address */
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#define CONFIG_ENV_OVERWRITE 1 /* Overwrite the environment */
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#define CFG_ALLOC_DPRAM /* Use dynamic DPRAM allocation */
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#define CFG_AUTOLOAD "n" /* No autoload */
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/*#define CONFIG_VIDEO 1 / To enable the video initialization */
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/*#define CONFIG_VIDEO_ADDR 0x00200000 */
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/*#define CONFIG_HARD_I2C 1 / I2C with hardware support */
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/*#define CONFIG_PCMCIA 1 / To enable the PCMCIA initialization */
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/*#define CFG_PCMCIA_IO_ADDR 0xff020000 */
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/*#define CFG_PCMCIA_IO_SIZE 0x10000 */
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/*#define CFG_PCMCIA_MEM_ADDR 0xe0000000 */
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/*#define CFG_PCMCIA_MEM_SIZE 0x10000 */
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/* Video related */
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/*#define CONFIG_VIDEO_LOGO 1 / Show the logo */
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/*#define CONFIG_VIDEO_ENCODER_AD7177 1 / Enable this encoder */
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/*#define CONFIG_VIDEO_ENCODER_AD7177_ADDR 0xF4 / ALSB to ground */
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/* Wireless 56Khz 4PPM keyboard on SMCx */
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/*#define CONFIG_KEYBOARD 0 */
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/*#define CONFIG_WL_4PPM_KEYBOARD_SMC 0 / SMC to use (0 indexed) */
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/*
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* High Level Configuration Options
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* (easy to change)
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*/
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#include <mpc8xx_irq.h>
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#define CONFIG_GENIETV 1
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#define CONFIG_MPC823 1
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#define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
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#undef CONFIG_8xx_CONS_SMC2
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#undef CONFIG_8xx_CONS_NONE
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#define CONFIG_BAUDRATE 9600
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#define MPC8XX_FACT 12 /* Multiply by 12 */
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#define MPC8XX_XIN 5000000 /* 4 MHz clock */
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#define MPC8XX_HZ ((MPC8XX_XIN) * (MPC8XX_FACT))
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#define CFG_PLPRCR_MF ((MPC8XX_FACT-1) << 20)
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#define CONFIG_8xx_GCLK_FREQ MPC8XX_HZ /* Force it - dont measure it */
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#define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
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#if 1
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#define CONFIG_BOOTDELAY 1 /* autoboot after 2 seconds */
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#define CONFIG_LOADS_ECHO 0 /* Dont echoes received characters */
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#define CONFIG_BOOTARGS ""
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#define CONFIG_BOOTCOMMAND \
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"bootp; tftp; " \
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"setenv bootargs console=tty0 console=ttyS0 " \
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"root=/dev/nfs nfsroot=${serverip}:${rootpath} " \
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"ip=${ipaddr}:${serverip}:${gatewayip}:${subnetmask}:${hostname}:eth0:off ;" \
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"bootm "
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#else
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#define CONFIG_BOOTDELAY 0 /* autoboot disabled */
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#endif
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#undef CONFIG_WATCHDOG /* watchdog disabled */
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/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
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#include <cmd_confdefs.h>
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/*
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* Miscellaneous configurable options
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*/
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#define CFG_LONGHELP /* undef to save memory */
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#define CFG_PROMPT ":>" /* Monitor Command Prompt */
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#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
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#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
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#else
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#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
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#endif
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#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
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#define CFG_MAXARGS 8 /* max number of command args */
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#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
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#define CFG_MEMTEST_START 0x00004000 /* memtest works on */
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#define CFG_MEMTEST_END 0x00800000 /* 0 ... 8 MB in DRAM */
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#define CFG_LOAD_ADDR 0x00100000 /* default load address */
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#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
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#define CFG_BAUDRATE_TABLE { 4800, 9600, 19200, 38400, 57600, 115200 }
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/*
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* Low Level Configuration Settings
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* (address mappings, register initial values, etc.)
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* You should know what you are doing if you make changes here.
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*/
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/*-----------------------------------------------------------------------
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* Internal Memory Mapped Register
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*/
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#define CFG_IMMR 0xFF000000
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#define CFG_IMMR_SIZE ((uint)(64 * 1024))
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/*-----------------------------------------------------------------------
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* Definitions for initial stack pointer and data area (in DPRAM)
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*/
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#define CFG_INIT_RAM_ADDR CFG_IMMR
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#define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
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#define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
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#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
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#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
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/*-----------------------------------------------------------------------
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* Start addresses for the final memory configuration
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* (Set up by the startup code)
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* Please note that CFG_SDRAM_BASE _must_ start at 0
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* Also NOTE that it doesn't mean SDRAM - it means MEMORY.
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*/
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#define CFG_SDRAM_BASE 0x00000000
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#define CFG_FLASH_BASE 0x02800000
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#define CFG_FLASH_SIZE ((uint)(8 * 1024 * 1024)) /* max 8Mbyte */
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#if 0
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#define CFG_MONITOR_LEN (256 << 10) /* Reserve 128 kB for Monitor */
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#else
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#define CFG_MONITOR_LEN (512 << 10) /* Reserve 512 kB for Monitor */
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#endif
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#define CFG_MONITOR_BASE CFG_FLASH_BASE
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#define CFG_MALLOC_LEN (256 << 10) /* Reserve 128 kB for malloc() */
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/*
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* For booting Linux, the board info and command line data
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* have to be in the first 8 MB of memory, since this is
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* the maximum mapped by the Linux kernel during initialization.
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*/
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#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
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/*-----------------------------------------------------------------------
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* FLASH organization
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*/
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#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
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#define CFG_MAX_FLASH_SECT 8 /* max number of sectors on one chip */
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#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
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#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
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#define CFG_ENV_IS_IN_FLASH 1
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#define CFG_ENV_OFFSET 0x10000 /* Offset of Environment Sector */
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#define CFG_ENV_SIZE 0x10000 /* Total Size of Environment Sector (64k)*/
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/* values according to the manual */
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/*-----------------------------------------------------------------------
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* Cache Configuration
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*/
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#define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
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#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
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#define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
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#endif
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/*-----------------------------------------------------------------------
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* SYPCR - System Protection Control 11-9
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* SYPCR can only be written once after reset!
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*-----------------------------------------------------------------------
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* Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
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*/
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#if defined(CONFIG_WATCHDOG)
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#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
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SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
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#else
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#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
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#endif
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/*-----------------------------------------------------------------------
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* SIUMCR - SIU Module Configuration 11-6
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*-----------------------------------------------------------------------
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* PCMCIA config., multi-function pin tri-state
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*
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#define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
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*/
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#define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC10)
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/*-----------------------------------------------------------------------
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* TBSCR - Time Base Status and Control 11-26
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*-----------------------------------------------------------------------
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* Clear Reference Interrupt Status, Timebase freezing enabled
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*/
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#define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBE)
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/*-----------------------------------------------------------------------
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* PISCR - Periodic Interrupt Status and Control 11-31
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*-----------------------------------------------------------------------
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* Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
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*/
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#define CFG_PISCR (PISCR_PS | PISCR_PITF)
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/*-----------------------------------------------------------------------
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* PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
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*-----------------------------------------------------------------------
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* Reset PLL lock status sticky bit, timer expired status bit and timer *
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* interrupt status bit - leave PLL multiplication factor unchanged !
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*
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* #define CFG_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
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*/
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#define CFG_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST | CFG_PLPRCR_MF)
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/*-----------------------------------------------------------------------
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* SCCR - System Clock and reset Control Register 15-27
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*-----------------------------------------------------------------------
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* Set clock output, timebase and RTC source and divider,
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* power management and some other internal clocks
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*/
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#define SCCR_MASK SCCR_EBDF11
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#define CFG_SCCR (SCCR_TBS | \
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SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
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SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
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SCCR_DFALCD00)
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/*-----------------------------------------------------------------------
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*
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*-----------------------------------------------------------------------
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*
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*/
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#define CFG_DER 0
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/* Because of the way the 860 starts up and assigns CS0 the
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* entire address space, we have to set the memory controller
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* differently. Normally, you write the option register
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* first, and then enable the chip select by writing the
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* base register. For CS0, you must write the base register
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* first, followed by the option register.
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*/
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/*
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* Init Memory Controller:
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*
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* BR0 and OR0(FLASH)
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*/
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#define FLASH_BASE0_PRELIM 0x02800000 /* FLASH bank #0 */
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#define CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */
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#define CFG_PRELIM_OR_AM 0xFF800000 /* OR addr mask (512Kb) */
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/* FLASH timing */
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#define CFG_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_DIV2 | OR_BI | \
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OR_SCY_15_CLK | OR_TRLX )
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/*#define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH) */
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#define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH) /* 0xfff80ff4 */
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#define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V | BR_PS_8) /* 0x02800401 */
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/*
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* BR1/2 and OR1/2 (SDRAM)
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*/
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#define CFG_OR_TIMING_SDRAM 0x00000A00
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#define SDRAM_MAX_SIZE 0x04000000 /* 64Mb bank */
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#define SDRAM_BASE1_PRELIM 0x00000000 /* First bank */
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#define SDRAM_BASE2_PRELIM 0x10000000 /* Second bank */
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/*
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* Memory Periodic Timer Prescaler
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*/
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/* periodic timer for refresh */
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#define CFG_MBMR_PTB 0x5d /* start with divider for 100 MHz */
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/* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */
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#define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
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#define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32
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/*
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* MBMR settings for SDRAM
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*/
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/* 8 column SDRAM */
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#define CFG_MBMR_8COL ((CFG_MBMR_PTB << MAMR_PTA_SHIFT) | MAMR_PTAE | \
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MAMR_G0CLA_A11 | MAMR_RLFA_1X | MAMR_WLFA_1X \
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| MAMR_TLFA_4X) /* 0x5d802114 */
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/*
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* Internal Definitions
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*
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* Boot Flags
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*/
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#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
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#define BOOTFLAG_WARM 0x02 /* Software reboot */
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/* values according to the manual */
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#define CONFIG_DRAM_50MHZ 1
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#define CONFIG_SDRAM_50MHZ
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/* We don't use the 8259.
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*/
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#define NR_8259_INTS 0
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/* Machine type
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*/
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#define _MACH_8xx (_MACH_fads)
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/*
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* MPC8xx CPM Options
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*/
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#define CONFIG_SCC_ENET 1
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#define CONFIG_DISK_SPINUP_TIME 1000000
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/* PCMCIA configuration */
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#define PCMCIA_MAX_SLOTS 1
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#define PCMCIA_SLOT_B 1
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#endif /* __CONFIG_H */
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