| /* |
| * (C) Copyright 2000, 2001 |
| * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| * (C) Copyright 2001 |
| * Torsten Stevens, FHG IMS, stevens@ims.fhg.de |
| * Bruno Achauer, Exet AG, bruno@exet-ag.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 |
| * [derived from config_TQM850L.h] |
| */ |
| |
| #ifndef __CONFIG_H |
| #define __CONFIG_H |
| |
| /* |
| * High Level Configuration Options |
| * (easy to change) |
| */ |
| |
| #define CONFIG_MPC850 1 /* This is a MPC850 CPU */ |
| #define CONFIG_LANTEC 2 /* ...on a Lantec rev.2 board */ |
| |
| /* |
| * Port assignments (CONFIG_LANTEC == 1): |
| * - SMC1: J11 (MDB) ? |
| * - SMC2: J6 (Feature connector) |
| * - SCC2: J9 (RJ45) |
| * - SCC3: J8 (Sub-D9) |
| * |
| * Port assignments (CONFIG_LANTEC == 2): TBD |
| */ |
| |
| |
| #undef CONFIG_8xx_CONS_SMC2 /* Console is on SMC2 */ |
| #define CONFIG_8xx_CONS_SCC3 |
| #undef CONFIG_8xx_CONS_NONE |
| #define CONFIG_BAUDRATE 38400 /* console baudrate = 38.4kbps */ |
| #if 0 |
| #define CONFIG_BOOTDELAY -1 /* autoboot disabled */ |
| #else |
| #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ |
| #endif |
| |
| #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */ |
| |
| #undef CONFIG_BOOTARGS |
| #define CONFIG_BOOTCOMMAND \ |
| "setenv bootargs root=/dev/ram panic=5;bootm 40040000 400A0000" |
| |
| #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_STATUS_LED 1 /* Status LED enabled */ |
| |
| #define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE) |
| |
| #define CONFIG_CMD_MINIMAL 0 |
| #define CONFIG_CMD_TINY (CFG_CMD_FLASH | \ |
| CFG_CMD_MEMORY | \ |
| CFG_CMD_LOADS | \ |
| CFG_CMD_LOADB) |
| #define CONFIG_CMD_NORMAL (CONFIG_CMD_DFL & ~CFG_CMD_BOOTD) |
| #define CONFIG_CMD_GDB (CONFIG_CMD_NORMAL | CFG_CMD_KGDB) |
| #define CONFIG_CMD_FULL (CFG_CMD_ALL & ~CFG_CMD_BEDBUG \ |
| & ~CFG_CMD_BMP \ |
| & ~CFG_CMD_BSP \ |
| & ~CFG_CMD_DOC \ |
| & ~CFG_CMD_DTT \ |
| & ~CFG_CMD_EEPROM \ |
| & ~CFG_CMD_ELF \ |
| & ~CFG_CMD_FDC \ |
| & ~CFG_CMD_FDOS \ |
| & ~CFG_CMD_HWFLOW \ |
| & ~CFG_CMD_I2C \ |
| & ~CFG_CMD_IDE \ |
| & ~CFG_CMD_IRQ \ |
| & ~CFG_CMD_JFFS2 \ |
| & ~CFG_CMD_KGDB \ |
| & ~CFG_CMD_MII \ |
| & ~CFG_CMD_MMC \ |
| & ~CFG_CMD_NAND \ |
| & ~CFG_CMD_PCI \ |
| & ~CFG_CMD_PCMCIA \ |
| & ~CFG_CMD_SCSI \ |
| & ~CFG_CMD_SPI \ |
| & ~CFG_CMD_USB \ |
| & ~CFG_CMD_VFD ) |
| |
| #if CONFIG_LANTEC >= 2 |
| #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */ |
| #endif |
| |
| #if CONFIG_LANTEC >= 2 |
| # define CONFIG_COMMANDS CONFIG_CMD_FULL |
| #else |
| # define CONFIG_COMMANDS (CONFIG_CMD_FULL & ~CFG_CMD_DATE & ~CFG_CMD_NET) |
| #endif |
| |
| /* 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 */ |
| #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 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 0xFFF00000 |
| |
| /*----------------------------------------------------------------------- |
| * 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 |
| #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ |
| #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 67 /* 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 0x4000 /* Total Size of Environment Sector */ |
| |
| /*----------------------------------------------------------------------- |
| * Cache Configuration |
| */ |
| #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */ |
| #if (CONFIG_COMMANDS & CFG_CMD_KGDB) |
| #define CFG_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 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 |
| |
| /*----------------------------------------------------------------------- |
| * SIUMCR - SIU Module Configuration 11-6 |
| *----------------------------------------------------------------------- |
| * PCMCIA config., multi-function pin tri-state |
| */ |
| #define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01 | SIUMCR_DLK) |
| |
| /*----------------------------------------------------------------------- |
| * Clock Setting - Has the Lantec board a 32kHz clock ??? [XXX] |
| *----------------------------------------------------------------------- |
| */ |
| #define CONFIG_8xx_GCLK_FREQ 33000000 |
| |
| /*----------------------------------------------------------------------- |
| * TBSCR - Time Base Status and Control 11-26 |
| *----------------------------------------------------------------------- |
| * Clear Reference Interrupt Status, Timebase freezing enabled |
| */ |
| #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF) |
| |
| /*----------------------------------------------------------------------- |
| * RTCSC - Real-Time Clock Status and Control Register 11-27 |
| *----------------------------------------------------------------------- |
| */ |
| #define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE) |
| |
| /*----------------------------------------------------------------------- |
| * 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 |
| * |
| * If this is a 80 MHz CPU, set PLL multiplication factor to 5 (5*16=80)! |
| */ |
| /* up to 50 MHz we use a 1:1 clock */ |
| #define CFG_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_EBDF11 |
| /* up to 50 MHz we use a 1:1 clock */ |
| #define CFG_SCCR (SCCR_TBS | \ |
| SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \ |
| SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \ |
| SCCR_DFALCD00) |
| |
| /*----------------------------------------------------------------------- |
| * |
| *----------------------------------------------------------------------- |
| * |
| */ |
| #define CFG_DER 0 |
| |
| /* |
| * Init Memory Controller: |
| * |
| * BR0/5 and OR0/5 (FLASH) |
| */ |
| |
| #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */ |
| #define FLASH_BASE5_PRELIM 0x60000000 /* FLASH bank #1 */ |
| |
| /* 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 */ |
| #define CFG_OR_TIMING_FLASH (OR_CSNT_SAM | OR_BI | \ |
| OR_SCY_5_CLK | OR_TRLX) |
| |
| #define CFG_OR0_REMAP (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 & BR_BA_MSK) | BR_V ) |
| |
| #define CFG_OR5_REMAP CFG_OR0_REMAP |
| #define CFG_OR5_PRELIM CFG_OR0_PRELIM |
| #define CFG_BR5_PRELIM ((FLASH_BASE5_PRELIM & BR_BA_MSK) | BR_V ) |
| |
| /* |
| * BR2/3 and OR2/3 (SDRAM) |
| * |
| */ |
| #define SDRAM_BASE3_PRELIM 0x00000000 /* SDRAM bank #0 */ |
| #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */ |
| |
| /* SDRAM timing: Multiplexed addresses */ |
| #define CFG_OR_TIMING_SDRAM (OR_CSNT_SAM) |
| |
| #define CFG_OR3_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_SDRAM ) |
| #define CFG_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V ) |
| |
| /* |
| * Memory Periodic Timer Prescaler |
| */ |
| |
| /* 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 |
| */ |
| /* periodic timer for refresh */ |
| #define CFG_MAMR_PTA 97 /* start with divider for 100 MHz */ |
| |
| /* 8 column SDRAM */ |
| #define CFG_MAMR_8COL \ |
| ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \ |
| MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \ |
| MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X) |
| |
| /* |
| * Internal Definitions |
| * |
| * Boot Flags |
| */ |
| #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ |
| #define BOOTFLAG_WARM 0x02 /* Software reboot */ |
| |
| #endif /* __CONFIG_H */ |