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Diffstat (limited to 'include/configs')
| -rw-r--r-- | include/configs/cmi_mpc5xx.h | 256 |
1 files changed, 256 insertions, 0 deletions
diff --git a/include/configs/cmi_mpc5xx.h b/include/configs/cmi_mpc5xx.h new file mode 100644 index 0000000..e8b3eb5 --- /dev/null +++ b/include/configs/cmi_mpc5xx.h @@ -0,0 +1,256 @@ +/* + * (C) Copyright 2003 + * Martin Winistoerfer, martinwinistoerfer@gmx.ch. + * + * 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, + */ + +/* + * File: cmi_mpc5xx.h + * + * Discription: Config header file for cmi + * board using an MPC5xx CPU + * + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +/* + * High Level Configuration Options + */ + +#define CONFIG_MPC555 1 /* This is an MPC555 CPU */ +#define CONFIG_CMI 1 /* Using the customized cmi board */ + +/* Serial Console Configuration */ +#define CONFIG_5xx_CONS_SCI1 +#undef CONFIG_5xx_CONS_SCI2 + +#define CONFIG_BAUDRATE 57600 + +#define CONFIG_COMMANDS (CFG_CMD_MEMORY | CFG_CMD_LOADB | CFG_CMD_REGINFO | \ + CFG_CMD_FLASH | CFG_CMD_LOADS | CFG_CMD_ASKENV | \ + CFG_CMD_BDI | CFG_CMD_CONSOLE | CFG_CMD_ENV | CFG_CMD_RUN | \ + CFG_CMD_IMI) + +/* This must be included AFTER the definition of CONFIG_COMMANDS (if any) */ +#include <cmd_confdefs.h> + +#if 0 +#define CONFIG_BOOTDELAY -1 /* autoboot disabled */ +#else +#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ +#endif +#define CONFIG_BOOTCOMMAND "go 02034004" /* autoboot command */ + +#define CONFIG_BOOTARGS "" /* Assuming OS Image in 4 flash sector at offset 4004 */ + +#define CONFIG_WATCHDOG /* turn on platform specific watchdog */ + +#define CONFIG_STATUS_LED 1 /* Enable status led */ + +#define CONFIG_LOADS_ECHO 1 /* Echo on for serial download */ + +/* + * Miscellaneous configurable options + */ + +#define CFG_LONGHELP /* undef to save memory */ +#define CFG_PROMPT "=> " /* Monitor Command Prompt */ +#if (CONFIG_COMMANDS & CFG_CMD_KGDB) +#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */ +#else +#define CFG_CBSIZE 256 /* Console I/O Buffer Size */ +#endif +#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ +#define CFG_MAXARGS 16 /* max number of command args */ +#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ + +#define CFG_MEMTEST_START 0x00000000 /* memtest works on */ +#define CFG_MEMTEST_END 0x000fa000 /* 1 MB in SRAM */ + +#define CFG_LOAD_ADDR 0x100000 /* default load address */ + +#define CFG_HZ 1000 /* Decrementer freq: 1 ms ticks */ + +#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200, 1250000 } + + +/* + * Low Level Configuration Settings + */ + +/* + * Internal Memory Mapped (This is not the IMMR content) + */ +#define CFG_IMMR 0x01000000 /* Physical start adress of internal memory map */ + +/* + * Definitions for initial stack pointer and data area + */ +#define CFG_INIT_RAM_ADDR (CFG_IMMR + 0x003f9800) /* Physical start adress of internal MPC555 writable RAM */ +#define CFG_INIT_RAM_END (CFG_IMMR + 0x003fffff) /* Physical end adress of internal MPC555 used RAM area */ +#define CFG_GBL_DATA_SIZE 64 /* Size in bytes reserved for initial global data */ +#define CFG_GBL_DATA_OFFSET ((CFG_INIT_RAM_END - CFG_INIT_RAM_ADDR) - CFG_GBL_DATA_SIZE) /* Offset from the beginning of ram */ +#define CFG_INIT_SP_ADDR 0x013fa000 /* Physical start adress of inital stack */ + +/* + * Start addresses for the final memory configuration + * Please note that CFG_SDRAM_BASE _must_ start at 0 + */ +#define CFG_SDRAM_BASE 0x00000000 /* Monitor won't change memory map */ +#define CFG_FLASH_BASE 0x02000000 /* External flash */ +#define PLD_BASE 0x03000000 /* PLD */ +#define ANYBUS_BASE 0x03010000 /* Anybus Module */ + +#define CFG_RESET_ADRESS 0x01000000 /* Adress which causes reset */ +#define CFG_MONITOR_BASE CFG_FLASH_BASE /* TEXT_BASE is defined in the board config.mk file. */ + /* This adress is given to the linker with -Ttext to */ + /* locate the text section at this adress. */ +#define CFG_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */ +#define CFG_MALLOC_LEN (64 << 10) /* Reserve 128 kB for malloc() */ + +/* + * 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 memory banks */ +#define CFG_MAX_FLASH_SECT 64 /* Max number of sectors on one chip */ +#define CFG_FLASH_ERASE_TOUT 180000 /* Timeout for Flash Erase (in ms) */ +#define CFG_FLASH_WRITE_TOUT 600 /* Timeout for Flash Write (in ms) */ +#define CFG_FLASH_PROTECTION 1 /* Physically section protection on */ + +#define CFG_ENV_IS_IN_FLASH 1 + +#ifdef CFG_ENV_IS_IN_FLASH +#define CFG_ENV_OFFSET 0x00020000 /* Environment starts at this adress */ +#define CFG_ENV_SIZE 0x00010000 /* Set whole sector as env */ +#endif + +/*----------------------------------------------------------------------- + * SYPCR - System Protection Control + * SYPCR can only be written once after reset! + *----------------------------------------------------------------------- + * SW Watchdog freeze + */ +#if defined(CONFIG_WATCHDOG) +#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \ + SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP) +#else +#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \ + SYPCR_SWP) +#endif /* CONFIG_WATCHDOG */ + +/*----------------------------------------------------------------------- + * TBSCR - Time Base Status and Control + *----------------------------------------------------------------------- + * Clear Reference Interrupt Status, Timebase freezing enabled + */ +#define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF) + +/*----------------------------------------------------------------------- + * PISCR - Periodic Interrupt Status and Control + *----------------------------------------------------------------------- + * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled + */ +#define CFG_PISCR (PISCR_PITF) + +/*----------------------------------------------------------------------- + * SCCR - System Clock and reset Control Register + *----------------------------------------------------------------------- + * Set clock output, timebase and RTC source and divider, + * power management and some other internal clocks + */ +#define SCCR_MASK SCCR_EBDF00 +#define CFG_SCCR (SCCR_TBS | SCCR_RTDIV | SCCR_RTSEL | \ + SCCR_COM00 | SCCR_DFNL000 | SCCR_DFNH000) + +/*----------------------------------------------------------------------- + * SIUMCR - SIU Module Configuration + *----------------------------------------------------------------------- + * Data show cycle + */ +#define CFG_SIUMCR (SIUMCR_DBGC00) /* Disable data show cycle */ + +/*----------------------------------------------------------------------- + * PLPRCR - PLL, Low-Power, and Reset Control Register + *----------------------------------------------------------------------- + * Set all bits to 40 Mhz + * + */ +#define CFG_OSC_CLK ((uint)4000000) /* Oscillator clock is 4MHz */ +#define CFG_PLPRCR (PLPRCR_MF_9 | PLPRCR_DIVF_0) + + +/*----------------------------------------------------------------------- + * UMCR - UIMB Module Configuration Register + *----------------------------------------------------------------------- + * + */ +#define CFG_UMCR (UMCR_FSPEED) /* IMB clock same as U-bus */ + +/*----------------------------------------------------------------------- + * ICTRL - I-Bus Support Control Register + */ +#define CFG_ICTRL (ICTRL_ISCT_SER_7) /* Take out of serialized mode */ + +/*----------------------------------------------------------------------- + * USIU - Memory Controller Register + *----------------------------------------------------------------------- + */ + +#define CFG_BR0_PRELIM (CFG_FLASH_BASE | BR_V | BR_BI | BR_PS_16) +#define CFG_OR0_PRELIM (OR_ADDR_MK_FF | OR_SCY_3) +#define CFG_BR1_PRELIM (ANYBUS_BASE) +#define CFG_OR1_PRELIM (OR_ADDR_MK_FFFF | OR_SCY_1 | OR_ETHR) +#define CFG_BR2_PRELIM (CFG_SDRAM_BASE | BR_V | BR_PS_32) +#define CFG_OR2_PRELIM (OR_ADDR_MK_FF) +#define CFG_BR3_PRELIM (PLD_BASE | BR_V | BR_BI | BR_LBDIR | BR_PS_8) +#define CFG_OR3_PRELIM (OR_ADDR_MK_FF | OR_TRLX | OR_BSCY | OR_SCY_8 | \ + OR_ACS_10 | OR_ETHR | OR_CSNT) + +#define FLASH_BASE0_PRELIM CFG_FLASH_BASE /* We don't realign the flash */ + +/*----------------------------------------------------------------------- + * DER - Timer Decrementer + *----------------------------------------------------------------------- + * Initialise to zero + */ +#define CFG_DER 0x00000000 + + +/* + * Internal Definitions + * + * Boot Flags + */ +#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ +#define BOOTFLAG_WARM 0x02 /* Software reboot */ + +#endif /* __CONFIG_H */ |