/* * (C) Copyright 2000 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * Keith Outwater, keith_outwater@mvis.com * * 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_GEN860T.h - board specific configuration options */ #ifndef __CONFIG_GEN860T_H #define __CONFIG_H /* * High Level Configuration Options */ #define CONFIG_MPC860 #define CONFIG_GEN860T /* * Identify the board */ #if !defined(CONFIG_SC) #define CONFIG_IDENT_STRING " B2" #else #define CONFIG_IDENT_STRING " SC" #endif /* * Don't depend on the RTC clock to determine clock frequency - * the 860's internal rtc uses a 32.768 KHz clock which is * generated by the DS1337 - and the DS1337 clock can be turned off. */ #if !defined(CONFIG_SC) #define CONFIG_8xx_GCLK_FREQ 66600000 #else #define CONFIG_8xx_GCLK_FREQ 48000000 #endif /* * The RS-232 console port is on SMC1 */ #define CONFIG_8xx_CONS_SMC1 #define CONFIG_BAUDRATE 38400 /* * Set allowable console baud rates */ #define CFG_BAUDRATE_TABLE { 9600, \ 19200, \ 38400, \ 57600, \ 115200, \ } /* * Print console information */ #undef CFG_CONSOLE_INFO_QUIET /* * Set the autoboot delay in seconds. A delay of -1 disables autoboot */ #define CONFIG_BOOTDELAY 5 /* * Pass the clock frequency to the Linux kernel in units of MHz */ #define CONFIG_CLOCKS_IN_MHZ #define CONFIG_PREBOOT \ "echo;echo" #undef CONFIG_BOOTARGS #define CONFIG_BOOTCOMMAND \ "bootp;" \ "setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} " \ "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; " \ "bootm" /* * Turn off echo for serial download by default. Allow baud rate to be changed * for downloads */ #undef CONFIG_LOADS_ECHO #define CFG_LOADS_BAUD_CHANGE /* * Set default load address for tftp network downloads */ #define CFG_TFTP_LOADADDR 0x01000000 /* * Turn off the watchdog timer */ #undef CONFIG_WATCHDOG /* * Do not reboot if a panic occurs */ #define CONFIG_PANIC_HANG /* * Enable the status LED */ #define CONFIG_STATUS_LED /* * Reset address. We pick an address such that when an instruction * is executed at that address, a machine check exception occurs */ #define CFG_RESET_ADDRESS ((ulong) -1) /* * BOOTP options */ #define CONFIG_BOOTP_MASK ( CONFIG_BOOTP_DEFAULT | \ CONFIG_BOOTP_BOOTFILESIZE \ ) /* * The GEN860T network interface uses the on-chip 10/100 FEC with * an Intel LXT971A PHY connected to the 860T's MII. The PHY's * MII address is hardwired on the board to zero. */ #define CONFIG_FEC_ENET #define CFG_DISCOVER_PHY #define CONFIG_MII #define CONFIG_PHY_ADDR 0 /* * Set default IP stuff just to get bootstrap entries into the * environment so that we can autoscript the full default environment. */ #define CONFIG_ETHADDR 9a:52:63:15:85:25 #define CONFIG_SERVERIP 10.0.4.201 #define CONFIG_IPADDR 10.0.4.111 /* * This board has a 32 kibibyte EEPROM (Atmel AT24C256) connected to * the MPC860T I2C interface. */ #define CFG_I2C_EEPROM_ADDR 0x50 #define CFG_EEPROM_PAGE_WRITE_BITS 6 /* 64 byte pages */ #define CFG_EEPROM_PAGE_WRITE_DELAY_MS 12 /* 10 mS w/ 20% margin */ #define CFG_I2C_EEPROM_ADDR_LEN 2 /* need 16 bit address */ #define CFG_ENV_EEPROM_SIZE (32 * 1024) /* * Enable I2C and select the hardware/software driver */ #define CONFIG_HARD_I2C 1 /* CPM based I2C */ #undef CONFIG_SOFT_I2C /* Bit-banged I2C */ #ifdef CONFIG_HARD_I2C #define CFG_I2C_SPEED 100000 /* clock speed in Hz */ #define CFG_I2C_SLAVE 0xFE /* I2C slave address */ #endif #ifdef CONFIG_SOFT_I2C #define PB_SCL 0x00000020 /* PB 26 */ #define PB_SDA 0x00000010 /* PB 27 */ #define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL) #define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA) #define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA) #define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0) #define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \ else immr->im_cpm.cp_pbdat &= ~PB_SDA #define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \ else immr->im_cpm.cp_pbdat &= ~PB_SCL #define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */ #endif /* * Allow environment overwrites by anyone */ #define CONFIG_ENV_OVERWRITE #if !defined(CONFIG_SC) /* * The MPC860's internal RTC is horribly broken in rev D masks. Three * internal MPC860T circuit nodes were inadvertently left floating; this * causes KAPWR current in power down mode to be three orders of magnitude * higher than specified in the datasheet (from 10 uA to 10 mA). No * reasonable battery can keep that kind RTC running during powerdown for any * length of time, so we use an external RTC on the I2C bus instead. */ #define CONFIG_RTC_DS1337 #define CFG_I2C_RTC_ADDR 0x68 #else /* * No external RTC on SC variant, so we're stuck with the internal one. */ #define CONFIG_RTC_MPC8xx #endif /* * Power On Self Test support */ #define CONFIG_POST ( CFG_POST_CACHE | \ CFG_POST_MEMORY | \ CFG_POST_CPU | \ CFG_POST_UART | \ CFG_POST_SPR ) #ifdef CONFIG_POST #define CFG_CMD_POST_DIAG CFG_CMD_DIAG #else #define CFG_CMD_POST_DIAG 0 #endif /* * List of available monitor commands. Use the system default list * plus add some of the "non-standard" commands back in. * See ./cmd_confdefs.h */ #define BASE_CONFIG_COMMANDS ( CONFIG_CMD_DFL | \ CFG_CMD_ASKENV | \ CFG_CMD_DHCP | \ CFG_CMD_I2C | \ CFG_CMD_EEPROM | \ CFG_CMD_REGINFO | \ CFG_CMD_IMMAP | \ CFG_CMD_ELF | \ CFG_CMD_DATE | \ CFG_CMD_FPGA | \ CFG_CMD_MII | \ CFG_CMD_BEDBUG | \ CFG_CMD_POST_DIAG ) #if !defined(CONFIG_SC) #define CONFIG_COMMANDS ( BASE_CONFIG_COMMANDS | CFG_CMD_DOC ) #else #define CONFIG_COMMANDS BASE_CONFIG_COMMANDS #endif /* * There is no IDE/PCMCIA hardware support on the board. */ #undef CONFIG_IDE_PCMCIA #undef CONFIG_IDE_LED #undef CONFIG_IDE_RESET /* * Enable the call to misc_init_r() for miscellaneous platform * dependent initialization. */ #define CONFIG_MISC_INIT_R /* * Enable call to last_stage_init() so we can twiddle some LEDS :) */ #define CONFIG_LAST_STAGE_INIT /* * Virtex2 FPGA configuration support */ #define CONFIG_FPGA_COUNT 1 #define CONFIG_FPGA CFG_XILINX_VIRTEX2 #define CFG_FPGA_PROG_FEEDBACK /************************************************************************ * This must be included AFTER the definition of any CONFIG_COMMANDS */ #include #define CFG_NAND_LEGACY /* * Verbose help from command monitor. */ #define CFG_LONGHELP #if !defined(CONFIG_SC) #define CFG_PROMPT "B2> " #else #define CFG_PROMPT "SC> " #endif /* * Use the "hush" command parser */ #define CFG_HUSH_PARSER #define CFG_PROMPT_HUSH_PS2 "> " /* * Set buffer size for console I/O */ #if (CONFIG_COMMANDS & CFG_CMD_KGDB) #define CFG_CBSIZE 1024 #else #define CFG_CBSIZE 256 #endif /* * Print buffer size */ #define CFG_PBSIZE (CFG_CBSIZE + sizeof(CFG_PROMPT) + 16) /* * Maximum number of arguments that a command can accept */ #define CFG_MAXARGS 16 /* * Boot argument buffer size */ #define CFG_BARGSIZE CFG_CBSIZE /* * Default memory test range */ #define CFG_MEMTEST_START 0x0100000 #define CFG_MEMTEST_END (CFG_MEMTEST_START + (128 * 1024)) /* * Select the more full-featured memory test */ #define CFG_ALT_MEMTEST /* * Default load address */ #define CFG_LOAD_ADDR 0x01000000 /* * Set decrementer frequency (1 ms ticks) */ #define CFG_HZ 1000 /* * Device memory map (after SDRAM remap to 0x0): * * CS Device Base Addr Size * ---------------------------------------------------- * CS0* Flash 0x40000000 64 M * CS1* SDRAM 0x00000000 16 M * CS2* Disk-On-Chip 0x50000000 32 K * CS3* FPGA 0x60000000 64 M * CS4* SelectMap 0x70000000 32 K * CS5* Mil-Std 1553 I/F 0x80000000 32 K * CS6* Unused * CS7* Unused * IMMR 860T Registers 0xfff00000 */ /* * Base addresses and block sizes */ #define CFG_IMMR 0xFF000000 #define SDRAM_BASE 0x00000000 #define SDRAM_SIZE (64 * 1024 * 1024) #define FLASH_BASE 0x40000000 #define FLASH_SIZE (16 * 1024 * 1024) #define DOC_BASE 0x50000000 #define DOC_SIZE (32 * 1024) #define FPGA_BASE 0x60000000 #define FPGA_SIZE (64 * 1024 * 1024) #define SELECTMAP_BASE 0x70000000 #define SELECTMAP_SIZE (32 * 1024) #define M1553_BASE 0x80000000 #define M1553_SIZE (64 * 1024) /* * 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_INIT_DATA_SIZE 64 /* # bytes reserved for initial data*/ #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_INIT_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 SDRAM_BASE /* * FLASH organization */ #define CFG_FLASH_BASE FLASH_BASE #define CFG_FLASH_SIZE FLASH_SIZE #define CFG_FLASH_SECT_SIZE (128 * 1024) #define CFG_MAX_FLASH_BANKS 1 #define CFG_MAX_FLASH_SECT 128 /* * The timeout values are for an entire chip and are in milliseconds. * Yes I know that the write timeout is huge. Accroding to the * datasheet a single byte takes 630 uS (round to 1 ms) max at worst * case VCC and temp after 100K programming cycles. It works out * to 280 minutes (might as well be forever). */ #define CFG_FLASH_ERASE_TOUT (CFG_MAX_FLASH_SECT * 5000) #define CFG_FLASH_WRITE_TOUT (CFG_MAX_FLASH_SECT * 128 * 1024 * 1) /* * Allow direct writes to FLASH from tftp transfers (** dangerous **) */ #define CFG_DIRECT_FLASH_TFTP /* * Reserve memory for U-Boot. */ #define CFG_MAX_UBOOT_SECTS 4 #define CFG_MONITOR_LEN (CFG_MAX_UBOOT_SECTS * CFG_FLASH_SECT_SIZE) #define CFG_MONITOR_BASE CFG_FLASH_BASE /* * Select environment placement. NOTE that u-boot.lds must * be edited if this is changed! */ #undef CFG_ENV_IS_IN_FLASH #define CFG_ENV_IS_IN_EEPROM #if defined(CFG_ENV_IS_IN_EEPROM) #define CFG_ENV_SIZE (2 * 1024) #define CFG_ENV_OFFSET (CFG_ENV_EEPROM_SIZE - (8 * 1024)) #else #define CFG_ENV_SIZE 0x1000 #define CFG_ENV_SECT_SIZE CFG_FLASH_SECT_SIZE /* * This ultimately gets passed right into the linker script, so we have to * use a number :( */ #define CFG_ENV_OFFSET 0x060000 #endif /* * Reserve memory for malloc() */ #define CFG_MALLOC_LEN (128 * 1024) /* * 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 * 1024 * 1024) /* * 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 above value */ #endif /*------------------------------------------------------------------------ * SYPCR - System Protection Control UM 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 UM 11-6 *----------------------------------------------------------------------- * Set debug pin mux, enable SPKROUT and GPLB5*. */ #define CFG_SIUMCR ( SIUMCR_DBGC11 | \ SIUMCR_DBPC11 | \ SIUMCR_MLRC11 | \ SIUMCR_GB5E \ ) /*----------------------------------------------------------------------- * TBSCR - Time Base Status and Control UM 11-26 *----------------------------------------------------------------------- * Clear Reference Interrupt Status, Timebase freeze enabled */ #define CFG_TBSCR ( TBSCR_REFA | \ TBSCR_REFB | \ TBSCR_TBF \ ) /*----------------------------------------------------------------------- * RTCSC - Real-Time Clock Status and Control Register UM 11-27 *----------------------------------------------------------------------- */ #define CFG_RTCSC ( RTCSC_SEC | \ RTCSC_ALR | \ RTCSC_RTF | \ RTCSC_RTE \ ) /*----------------------------------------------------------------------- * PISCR - Periodic Interrupt Status and Control UM 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 UM 15-30 *----------------------------------------------------------------------- * Reset PLL lock status sticky bit, timer expired status bit and timer * interrupt status bit. Set MF for 1:2:1 mode. */ #define CFG_PLPRCR ( ((0x1 << PLPRCR_MF_SHIFT) & PLPRCR_MF_MSK) | \ PLPRCR_SPLSS | \ PLPRCR_TEXPS | \ PLPRCR_TMIST \ ) /*----------------------------------------------------------------------- * SCCR - System Clock and reset Control Register UM 15-27 *----------------------------------------------------------------------- * Set clock output, timebase and RTC source and divider, * power management and some other internal clocks */ #define SCCR_MASK SCCR_EBDF11 #if !defined(CONFIG_SC) #define CFG_SCCR ( SCCR_TBS | /* timebase = GCLK/2 */ \ SCCR_COM00 | /* full strength CLKOUT */ \ SCCR_DFSYNC00 | /* SYNCLK / 1 (normal) */ \ SCCR_DFBRG00 | /* BRGCLK / 1 (normal) */ \ SCCR_DFNL000 | \ SCCR_DFNH000 \ ) #else #define CFG_SCCR ( SCCR_TBS | /* timebase = GCLK/2 */ \ SCCR_COM00 | /* full strength CLKOUT */ \ SCCR_DFSYNC00 | /* SYNCLK / 1 (normal) */ \ SCCR_DFBRG00 | /* BRGCLK / 1 (normal) */ \ SCCR_DFNL000 | \ SCCR_DFNH000 | \ SCCR_RTDIV | \ SCCR_RTSEL \ ) #endif /*----------------------------------------------------------------------- * DER - Debug Enable Register UM 37-46 *----------------------------------------------------------------------- * Mask all events that can cause entry into debug mode */ #define CFG_DER 0 /* * Initialize Memory Controller: * * BR0 and OR0 (FLASH memory) */ #define FLASH_BASE0_PRELIM FLASH_BASE /* * Flash address mask */ #define CFG_PRELIM_OR_AM 0xfe000000 /* * FLASH timing: * 33 Mhz bus with ACS = 11, TRLX = 1, CSNT = 1, SCY = 3, EHTR = 1 */ #define CFG_OR_TIMING_FLASH ( OR_CSNT_SAM | \ OR_ACS_DIV2 | \ OR_BI | \ OR_SCY_2_CLK | \ OR_TRLX | \ OR_EHTR \ ) #define CFG_OR0_PRELIM ( CFG_PRELIM_OR_AM | \ CFG_OR_TIMING_FLASH \ ) #define CFG_BR0_PRELIM ( (FLASH_BASE0_PRELIM & BR_BA_MSK) | \ BR_MS_GPCM | \ BR_PS_8 | \ BR_V \ ) /* * SDRAM configuration */ #define CFG_OR1_AM 0xfc000000 #define CFG_OR1 ( (CFG_OR1_AM & OR_AM_MSK) | \ OR_CSNT_SAM \ ) #define CFG_BR1 ( (SDRAM_BASE & BR_BA_MSK) | \ BR_MS_UPMA | \ BR_PS_32 | \ BR_V \ ) /* * Refresh rate 7.8 us (= 64 ms / 8K = 31.2 uS quad bursts) for one bank * of 256 MBit SDRAM */ #define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* * Periodic timer for refresh @ 33 MHz system clock */ #define CFG_MAMR_PTA 64 /* * MAMR settings for SDRAM */ #define CFG_MAMR_8COL ( (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 \ ) /* * CS2* configuration for Disk On Chip: * 33 MHz bus with TRLX=1, ACS=11, CSNT=1, EBDF=1, SCY=2, EHTR=1, * no burst. */ #define CFG_OR2_PRELIM ( (0xffff0000 & OR_AM_MSK) | \ OR_CSNT_SAM | \ OR_ACS_DIV2 | \ OR_BI | \ OR_SCY_2_CLK | \ OR_TRLX | \ OR_EHTR \ ) #define CFG_BR2_PRELIM ( (DOC_BASE & BR_BA_MSK) | \ BR_PS_8 | \ BR_MS_GPCM | \ BR_V \ ) /* * CS3* configuration for FPGA: * 33 MHz bus with SCY=15, no burst. * The FPGA uses TA and TEA to terminate bus cycles, but we * clear SETA and set the cycle length to a large number so that * the cycle will still complete even if there is a configuration * error that prevents TA from asserting on FPGA accesss. */ #define CFG_OR3_PRELIM ( (0xfc000000 & OR_AM_MSK) | \ OR_SCY_15_CLK | \ OR_BI \ ) #define CFG_BR3_PRELIM ( (FPGA_BASE & BR_BA_MSK) | \ BR_PS_32 | \ BR_MS_GPCM | \ BR_V \ ) /* * CS4* configuration for FPGA SelectMap configuration interface. * 33 MHz bus, UPMB, no burst. Do not assert GPLB5 on falling edge * of GCLK1_50 */ #define CFG_OR4_PRELIM ( (0xffff0000 & OR_AM_MSK) | \ OR_G5LS | \ OR_BI \ ) #define CFG_BR4_PRELIM ( (SELECTMAP_BASE & BR_BA_MSK) | \ BR_PS_8 | \ BR_MS_UPMB | \ BR_V \ ) /* * CS5* configuration for Mil-Std 1553 databus interface. * 33 MHz bus, GPCM, no burst. * The 1553 interface uses TA and TEA to terminate bus cycles, * but we clear SETA and set the cycle length to a large number so that * the cycle will still complete even if there is a configuration * error that prevents TA from asserting on FPGA accesss. */ #define CFG_OR5_PRELIM ( (0xffff0000 & OR_AM_MSK) | \ OR_SCY_15_CLK | \ OR_EHTR | \ OR_TRLX | \ OR_CSNT_SAM | \ OR_BI \ ) #define CFG_BR5_PRELIM ( (M1553_BASE & BR_BA_MSK) | \ BR_PS_16 | \ BR_MS_GPCM | \ BR_V \ ) /* * Boot Flags */ #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ #define BOOTFLAG_WARM 0x02 /* Software reboot */ /* * Disk On Chip (millenium) configuration */ #if !defined(CONFIG_SC) #define CFG_MAX_DOC_DEVICE 1 #undef CFG_DOC_SUPPORT_2000 #define CFG_DOC_SUPPORT_MILLENNIUM #undef CFG_DOC_PASSIVE_PROBE #endif /* * FEC interrupt assignment */ #define FEC_INTERRUPT SIU_LEVEL1 /* * Sanity checks */ #if defined(CONFIG_SCC1_ENET) && defined(CONFIG_FEC_ENET) #error Both CONFIG_SCC1_ENET and CONFIG_FEC_ENET configured #endif #endif /* __CONFIG_GEN860T_H */ /* vim: set ts=4 tw=78 ai shiftwidth=4: */