/* * (C) Copyright 2000 * Sysgo Real-Time Solutions, GmbH * Marius Groeger * * Configuation settings for the MBX8xx board. * * ----------------------------------------------------------------- * 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 */ /* * Changed 2002-10-01 * Added PCMCIA defines mostly taken from other U-Boot boards that * have PCMCIA already working. If you find any bugs, incorrect assumptions * feel free to fix them yourself and submit a patch. * Rod Boyce " /* Monitor Command Prompt */ #undef CONFIG_SYS_HUSH_PARSER /* Hush parse for U-Boot */ #ifdef CONFIG_SYS_HUSH_PARSER #define CONFIG_SYS_PROMPT_HUSH_PS2 "> " #endif #if defined(CONFIG_CMD_KGDB) #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */ #else #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ #endif #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */ #define CONFIG_SYS_MAXARGS 16 /* max number of command args */ #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */ #define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */ #define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */ #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */ #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */ #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } /* * Low Level Configuration Settings * (address mappings, register initial values, etc.) * You should know what you are doing if you make changes here. */ /*----------------------------------------------------------------------- * Physical memory map as defined by the MBX PGM */ #define CONFIG_SYS_IMMR 0xFA200000 /* Internal Memory Mapped Register*/ #define CONFIG_SYS_NVRAM_BASE 0xFA000000 /* NVRAM */ #define CONFIG_SYS_NVRAM_OR 0xffe00000 /* w/o speed dependent flags!! */ #define CONFIG_SYS_CSR_BASE 0xFA100000 /* Control/Status Registers */ #define CONFIG_SYS_PCIMEM_BASE 0x80000000 /* PCI I/O and Memory Spaces */ #define CONFIG_SYS_PCIMEM_OR 0xA0000108 #define CONFIG_SYS_PCIBRIDGE_BASE 0xFA210000 /* PCI-Bus Bridge Registers */ #define CONFIG_SYS_PCIBRIDGE_OR 0xFFFF0108 /*----------------------------------------------------------------------- * Definitions for initial stack pointer and data area (in DPRAM) */ #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR #define CONFIG_SYS_INIT_RAM_END 0x2f00 /* End of used area in DPRAM */ #define CONFIG_SYS_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */ #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE) #define CONFIG_SYS_INIT_VPD_SIZE 256 /* size in bytes reserved for vpd buffer */ #define CONFIG_SYS_INIT_VPD_OFFSET (CONFIG_SYS_GBL_DATA_OFFSET - CONFIG_SYS_INIT_VPD_SIZE) #define CONFIG_SYS_INIT_SP_OFFSET (CONFIG_SYS_INIT_VPD_OFFSET-8) /*----------------------------------------------------------------------- * Offset in DPMEM where we keep the VPD data */ #define CONFIG_SYS_DPRAMVPD (CONFIG_SYS_INIT_VPD_OFFSET - 0x2000) /*----------------------------------------------------------------------- * Start addresses for the final memory configuration * (Set up by the startup code) * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0 */ #define CONFIG_SYS_SDRAM_BASE 0x00000000 #define CONFIG_SYS_FLASH_BASE 0xfe000000 #ifdef DEBUG #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ #else #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ #endif #undef CONFIG_SYS_MONITOR_BASE /* 0x200000 to run U-Boot from RAM */ #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE #define CONFIG_SYS_MALLOC_LEN (128 << 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 CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ /*----------------------------------------------------------------------- * FLASH organization */ #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */ #define CONFIG_SYS_MAX_FLASH_SECT 16 /* max number of sectors on one chip */ #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ /*----------------------------------------------------------------------- * NVRAM Configuration * * Note: the MBX is special because there is already a firmware on this * board: EPPC-Bug from Motorola. To avoid collisions in NVRAM Usage, we * access the NVRAM at the offset 0x1000. */ #define CONFIG_ENV_IS_IN_NVRAM 1 /* turn on NVRAM env feature */ #define CONFIG_ENV_ADDR (CONFIG_SYS_NVRAM_BASE + 0x1000) #define CONFIG_ENV_SIZE 0x1000 /*----------------------------------------------------------------------- * Cache Configuration */ #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */ #if defined(CONFIG_CMD_KGDB) #define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */ #endif /*----------------------------------------------------------------------- * SYPCR - System Protection Control 11-9 * SYPCR can only be written once after reset! *----------------------------------------------------------------------- * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze */ #if defined(CONFIG_WATCHDOG) #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \ SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP) #else #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF) #endif /*----------------------------------------------------------------------- * SIUMCR - SIU Module Configuration 11-6 *----------------------------------------------------------------------- * PCMCIA config., multi-function pin tri-state */ /* #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DPC | SIUMCR_MLRC10 | SIUMCR_SEME) */ #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DPC | SIUMCR_MLRC11 | SIUMCR_SEME | SIUMCR_BSC ) /*----------------------------------------------------------------------- * TBSCR - Time Base Status and Control 11-26 *----------------------------------------------------------------------- * Clear Reference Interrupt Status, Timebase freezing enabled */ #define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF) /*----------------------------------------------------------------------- * PISCR - Periodic Interrupt Status and Control 11-31 *----------------------------------------------------------------------- * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled */ #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF | PISCR_PTE) /*----------------------------------------------------------------------- * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30 *----------------------------------------------------------------------- * Reset PLL lock status sticky bit, timer expired status bit and timer * interrupt status bit - leave PLL multiplication factor unchanged ! */ #define CONFIG_SYS_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST) /*----------------------------------------------------------------------- * SCCR - System Clock and reset Control Register 15-27 *----------------------------------------------------------------------- * Set clock output, timebase and RTC source and divider, * power management and some other internal clocks */ #define SCCR_MASK (SCCR_RTDIV | SCCR_RTSEL) #define CONFIG_SYS_SCCR SCCR_TBS /*----------------------------------------------------------------------- * PCMCIA stuff *----------------------------------------------------------------------- * */ #define CONFIG_SYS_PCMCIA_MEM_ADDR (0xE0000000) #define CONFIG_SYS_PCMCIA_MEM_SIZE ( 64 << 20 ) #define CONFIG_SYS_PCMCIA_DMA_ADDR (0xE4000000) #define CONFIG_SYS_PCMCIA_DMA_SIZE ( 64 << 20 ) #define CONFIG_SYS_PCMCIA_ATTRB_ADDR (0xE8000000) #define CONFIG_SYS_PCMCIA_ATTRB_SIZE ( 64 << 20 ) #define CONFIG_SYS_PCMCIA_IO_ADDR (0xEC000000) #define CONFIG_SYS_PCMCIA_IO_SIZE ( 64 << 20 ) #define CONFIG_SYS_PCMCIA_INTERRUPT SIU_LEVEL6 #define CONFIG_PCMCIA_SLOT_A 1 /*----------------------------------------------------------------------- * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter) *----------------------------------------------------------------------- */ #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */ #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */ #undef CONFIG_IDE_LED /* LED for ide not supported */ #undef CONFIG_IDE_RESET /* reset for ide not supported */ #define CONFIG_SYS_IDE_MAXBUS 1 /* max. 1 IDE bus */ #define CONFIG_SYS_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */ #define CONFIG_SYS_ATA_IDE0_OFFSET 0x0000 #define CONFIG_SYS_ATA_BASE_ADDR CONFIG_SYS_PCMCIA_MEM_ADDR /* Offset for data I/O */ #define CONFIG_SYS_ATA_DATA_OFFSET (CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320) /* Offset for normal register accesses */ #define CONFIG_SYS_ATA_REG_OFFSET (2 * CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320) /* Offset for alternate registers */ #define CONFIG_SYS_ATA_ALT_OFFSET 0x0100 /*----------------------------------------------------------------------- * Debug Entry Mode *----------------------------------------------------------------------- * */ #define CONFIG_SYS_DER 0 /* * Internal Definitions * * Boot Flags */ #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ #define BOOTFLAG_WARM 0x02 /* Software reboot */ #endif /* __CONFIG_H */