/* * (C) Copyright 2000 * 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 */ /* * board/config.h - configuration options, board specific */ #ifndef __CONFIG_H #define __CONFIG_H /* * High Level Configuration Options * (easy to change) */ #define CONFIG_MPC850 1 /* This is a MPC850 CPU */ #define CONFIG_ESTEEM192E 1 /* ...on a EST ESTEEM192E */ #define CONFIG_FLASH_16BIT 1 /* Rom 16 bit data bus */ #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */ #undef CONFIG_8xx_CONS_SMC2 #undef CONFIG_8xx_CONS_NONE #define MPC8XX_FACT 10 /* Multiply by 10 */ #define MPC8XX_XIN 4915200 /* 4.915200 MHz in - ??? - XXX */ #define CFG_PLPRCR_MF ((MPC8XX_FACT-1) << 20) #define MPC8XX_HZ ((MPC8XX_XIN) * (MPC8XX_FACT)) /* 49,152,000 Hz */ #define CONFIG_8xx_GCLK_FREQ MPC8XX_HZ /* Force it - dont measure it */ #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */ #define CONFIG_BAUDRATE 9600 #if 0 #define CONFIG_BOOTDELAY -1 /* autoboot disabled */ #else #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ #endif #define CONFIG_BOOTCOMMAND "bootm 40030000" /* autoboot command */ #define CONFIG_BOOTARGS "root=/dev/ram rw ramdisk=8192 " \ "ip=100.100.100.21:100.100.100.14:100.100.100.1:255.0.0.0 " /* * Miscellaneous configurable options */ #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */ #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */ #undef CONFIG_WATCHDOG /* watchdog disabled */ #define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE) /* * Command line configuration. */ #include #define CFG_LONGHELP /* undef to save memory */ #define CFG_PROMPT "BOOT: " /* Monitor Command Prompt */ #define CFG_CBSIZE 256 /* Console I/O Buffer Size */ #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ #define CFG_MAXARGS 8 /* max number of command args */ #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ #define CFG_MEMTEST_START 0x0400000 /* memtest works on */ #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */ #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 } /* * Low Level Configuration Settings * (address mappings, register initial values, etc.) * You should know what you are doing if you make changes here. */ /*----------------------------------------------------------------------- * Internal Memory Mapped Register */ #define CFG_IMMR 0xFF000000 /*----------------------------------------------------------------------- * Definitions for initial stack pointer and data area (in DPRAM) */ #define CFG_INIT_RAM_ADDR CFG_IMMR #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */ #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */ #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET /*----------------------------------------------------------------------- * 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 #define CFG_FLASH_BASE 0x40000000 #ifdef DEBUG #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ #else #define CFG_MONITOR_LEN (128 << 10) /* Reserve 128 kB for Monitor */ #endif #define CFG_MONITOR_BASE CFG_FLASH_BASE #define CFG_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 CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ /*----------------------------------------------------------------------- * FLASH organization */ #define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */ #define CFG_MAX_FLASH_SECT 71 /* max number of sectors on one chip */ #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ #define CFG_ENV_IS_IN_FLASH 1 #define CFG_ENV_OFFSET 0x8000 /* Offset of Environment Sector */ #define CFG_ENV_SIZE 0x2000 /* Total Size of Environment Sector */ /*----------------------------------------------------------------------- * Cache Configuration */ #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */ /*----------------------------------------------------------------------- * 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 */ #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP) /*----------------------------------------------------------------------- * SUMCR - SIU Module Configuration 11-6 *----------------------------------------------------------------------- * PCMCIA config., multi-function pin tri-state */ #define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01) /* DBGC00 */ /*----------------------------------------------------------------------- * TBSCR - Time Base Status and Control 11-26 *----------------------------------------------------------------------- * Clear Reference Interrupt Status, Timebase freezing enabled */ #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF | TBSCR_TBE) /* (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF) */ /*----------------------------------------------------------------------- * PISCR - Periodic Interrupt Status and Control 11-31 *----------------------------------------------------------------------- * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled */ #define CFG_PISCR (PISCR_PS | PISCR_PITF) /*----------------------------------------------------------------------- * 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 CFG_PLPRCR (CFG_PLPRCR_MF | 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_EBDF11 #define CFG_SCCR (SCCR_TBS | \ SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \ SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \ SCCR_DFALCD00) /*----------------------------------------------------------------------- * PCMCIA stuff *----------------------------------------------------------------------- * */ #define CFG_PCMCIA_MEM_ADDR (0xE0000000) #define CFG_PCMCIA_MEM_SIZE ( 64 << 20 ) #define CFG_PCMCIA_DMA_ADDR (0xE4000000) #define CFG_PCMCIA_DMA_SIZE ( 64 << 20 ) #define CFG_PCMCIA_ATTRB_ADDR (0xE8000000) #define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 ) #define CFG_PCMCIA_IO_ADDR (0xEC000000) #define CFG_PCMCIA_IO_SIZE ( 64 << 20 ) #define CFG_PCMCIA_INTERRUPT SIU_LEVEL6 /*----------------------------------------------------------------------- * *----------------------------------------------------------------------- * */ /*#define CFG_DER 0x2002000F*/ #define CFG_DER 0 /*#define CFG_DER 0x02002000 */ /* * Init Memory Controller: * * BR0/1 and OR0/1 (FLASH) */ #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */ #define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */ /* used to re-map FLASH both when starting from SRAM or FLASH: * restrict access enough to keep SRAM working (if any) * but not too much to meddle with FLASH accesses */ #define CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */ #define CFG_PRELIM_OR_AM 0xE0000000 /* OR addr mask */ /* FLASH timing: ACS = 11, TRLX = 0, CSNT = 1, SCY = 5, EHTR = 1 */ #define CFG_OR_TIMING_FLASH 0x00000160 /*(OR_CSNT_SAM | OR_ACS_DIV2 | OR_BI | \ OR_SCY_5_CLK | OR_EHTR) */ #define CFG_OR0_REMAP 0x80000160 /*(CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH)*/ #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH) #define CFG_BR0_PRELIM ( FLASH_BASE0_PRELIM | 0x00000801 ) #define CFG_OR1_REMAP CFG_OR0_REMAP #define CFG_OR1_PRELIM CFG_OR0_PRELIM #define CFG_BR1_PRELIM ( FLASH_BASE1_PRELIM | 0x00000801 ) /* * BR2/3 and OR2/3 (SDRAM) * */ #define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */ #define SDRAM_BASE3_PRELIM 0x04000000 /* SDRAM bank #1 */ #define SDRAM_MAX_SIZE 0x02000000 /* max 32 MB per bank */ /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */ #define CFG_OR_TIMING_SDRAM 0x00000A00 #define CFG_OR2_PRELIM 0xFC000E00 #define CFG_BR2_PRELIM (SDRAM_BASE2_PRELIM | 0x00000081) #define CFG_OR3_PRELIM CFG_OR2_PRELIM #define CFG_BR3_PRELIM (SDRAM_BASE3_PRELIM | 0x00000081) /* * Memory Periodic Timer Prescaler */ /* periodic timer for refresh */ #define CFG_MAMR_PTA 97 /* start with divider for 100 MHz */ /* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */ #define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */ #define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */ /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */ #define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */ #define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */ /* * MAMR settings for SDRAM */ /* 8 column SDRAM */ #define CFG_MAMR_8COL 0x18803112 #define CFG_MAMR_9COL 0x18803112 /* same as 8 column because its just easier to port with*/ /* * Internal Definitions * * Boot Flags */ #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ #define BOOTFLAG_WARM 0x02 /* Software reboot */ /* * Internal Definitions * * Boot Flags */ #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ #define BOOTFLAG_WARM 0x02 /* Software reboot */ #endif /* __CONFIG_H */