/* **===================================================================== ** ** Copyright (C) 2000, 2001, 2002, 2003 ** The LEOX team , http://www.leox.org ** ** LEOX.org is about the development of free hardware and software resources ** for system on chip. ** ** Description: U-Boot port on the LEOX's ELPT860 CPU board ** ~~~~~~~~~~~ ** **===================================================================== ** ** 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_MPC860 1 /* It's a MPC860, in fact a 860T CPU */ #define CONFIG_MPC860T 1 #define CONFIG_ELPT860 1 /* ...on a LEOX's ELPT860 CPU board */ #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */ #undef CONFIG_8xx_CONS_SMC2 #undef CONFIG_8xx_CONS_NONE #define CONFIG_CLOCKS_IN_MHZ 1 /* Clock passed to Linux (<2.4.5) in MHz */ #define CONFIG_8xx_GCLK_FREQ 50000000 /* MPC860T runs at 50MHz */ #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ #define CONFIG_BOARD_EARLY_INIT_F 1 /* Call board_early_init_f */ /* BOOT arguments */ #define CONFIG_PREBOOT \ "echo;" \ "echo Type \"run nfsboot\" to mount root filesystem over NFS;" \ "echo" #undef CONFIG_BOOTARGS #define CONFIG_EXTRA_ENV_SETTINGS \ "ramargs=setenv bootargs root=/dev/ram rw\0" \ "rootargs=setenv rootpath /tftp/$(ipaddr)\0" \ "nfsargs=setenv bootargs root=/dev/nfs rw " \ "nfsroot=$(serverip):$(rootpath)\0" \ "addip=setenv bootargs $(bootargs) " \ "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask)" \ ":$(hostname):eth0:off panic=1\0" \ "ramboot=tftp 400000 /home/paugaml/pMulti;" \ "run ramargs;bootm\0" \ "nfsboot=tftp 400000 /home/paugaml/uImage;" \ "run rootargs;run nfsargs;run addip;bootm\0" \ "" #define CONFIG_BOOTCOMMAND "run ramboot" #define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE) #undef CONFIG_WATCHDOG /* watchdog disabled */ #undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */ #undef CONFIG_RTC_MPC8xx /* internal RTC MPC8xx unused */ #define CONFIG_RTC_DS164x 1 /* RTC is a Dallas DS1646 */ #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */ #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */ #define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \ CFG_CMD_ASKENV | \ CFG_CMD_DATE ) /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ #include /* * Miscellaneous configurable options */ #define CFG_LONGHELP /* undef to save memory */ #define CFG_PROMPT "LEOX_elpt860: " /* 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 0x00400000 /* memtest works on */ #define CFG_MEMTEST_END 0x00C00000 /* 4 ... 12 MB in DRAM */ #define CFG_LOAD_ADDR 0x00100000 /* default load address */ #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */ /* * Environment Variables and Storages */ #define CONFIG_ENV_OVERWRITE 1 /* Allow Overwrite of serial# & ethaddr */ #undef CFG_ENV_IS_IN_NVRAM /* Environment is in NVRAM */ #undef CFG_ENV_IS_IN_EEPROM /* Environment is in I2C EEPROM */ #define CFG_ENV_IS_IN_FLASH 1 /* Environment is in FLASH */ #define CONFIG_BAUDRATE 9600 /* console baudrate = 9600 bps */ #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } #define CONFIG_ETHADDR 00:01:77:00:60:40 #define CONFIG_IPADDR 192.168.0.30 #define CONFIG_NETMASK 255.255.255.0 #define CONFIG_SERVERIP 192.168.0.1 #define CONFIG_GATEWAYIP 192.168.0.1 /* * 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 0x02000000 #define CFG_NVRAM_BASE 0x03000000 #if defined(CFG_ENV_IS_IN_FLASH) # if defined(DEBUG) # define CFG_MONITOR_LEN (320 << 10) /* Reserve 320 kB for Monitor */ # else # define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ # endif #else # if defined(DEBUG) # define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ # else # define CFG_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */ # endif #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 1 /* max number of memory banks */ #define CFG_MAX_FLASH_SECT 8 /* 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) */ #if defined(CFG_ENV_IS_IN_FLASH) # define CFG_ENV_OFFSET 0x10000 /* Offset of Environment Sector */ # define CFG_ENV_SIZE 0x10000 /* Total Size of Environment Sector */ #endif /*----------------------------------------------------------------------- * NVRAM organization */ #define CFG_NVRAM_BASE_ADDR CFG_NVRAM_BASE /* Base address of NVRAM area */ #define CFG_NVRAM_SIZE ((128*1024)-8) /* clock regs resident in the */ /* 8 top NVRAM locations */ #if defined(CFG_ENV_IS_IN_NVRAM) # define CFG_ENV_ADDR CFG_NVRAM_BASE /* Base address of NVRAM area */ # define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */ #endif /*----------------------------------------------------------------------- * 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 /*----------------------------------------------------------------------- * SUMCR - SIU Module Configuration 11-6 *----------------------------------------------------------------------- * PCMCIA config., multi-function pin tri-state */ #define CFG_SIUMCR (SIUMCR_DBGC11) /*----------------------------------------------------------------------- * 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 *----------------------------------------------------------------------- * Once-per-Second Interrupt, Alarm Interrupt, RTC freezing enabled, RTC * enabled */ #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 - leave PLL multiplication factor unchanged ! */ #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 #define CFG_SCCR (SCCR_TBS | \ SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \ SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \ SCCR_DFALCD00) /*----------------------------------------------------------------------- * Chip Selects + SDRAM timings + Memory Periodic Timer Prescaler *----------------------------------------------------------------------- * */ #ifdef DEBUG # define CFG_DER 0xFFE7400F /* Debug Enable Register */ #else # define CFG_DER 0 #endif /* * Init Memory Controller: * ~~~~~~~~~~~~~~~~~~~~~~ * * BR0 and OR0 (FLASH) */ #define FLASH_BASE0_PRELIM CFG_FLASH_BASE /* 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_PRELIM_OR_AM 0xFF000000 /* 16 MB between each CSx */ /* FLASH timing: ACS = 11, TRLX = 0, CSNT = 0, SCY = 8, EHTR = 0 */ #define CFG_OR_TIMING_FLASH (OR_ACS_DIV2 | OR_BI | OR_SCY_8_CLK) #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH) #define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_PS_8 | BR_V ) /* * BR1 and OR1 (SDRAM) * */ #define SDRAM_BASE1_PRELIM CFG_SDRAM_BASE /* SDRAM bank #0 */ #define SDRAM_MAX_SIZE 0x02000000 /* 32 MB MAX for CS1 */ /* SDRAM timing: */ #define CFG_OR_TIMING_SDRAM 0x00000000 #define CFG_OR1_PRELIM ((2 * CFG_PRELIM_OR_AM) | CFG_OR_TIMING_SDRAM ) #define CFG_BR1_PRELIM ((SDRAM_BASE1_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V ) /* * BR2 and OR2 (NVRAM) * */ #define NVRAM_BASE1_PRELIM CFG_NVRAM_BASE /* NVRAM bank #0 */ #define NVRAM_MAX_SIZE 0x00020000 /* 128 KB MAX for CS2 */ #define CFG_OR2_PRELIM 0xFFF80160 #define CFG_BR2_PRELIM ((NVRAM_BASE1_PRELIM & BR_BA_MSK) | BR_PS_8 | BR_V ) /* * 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 ((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) /* 9 column SDRAM */ #define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \ MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \ 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 */