/* * U-Boot configuration for SIXNET SXNI855T CPU board. * This board is based (loosely) on the Motorola FADS board, so this * file is based (loosely) on config_FADS860T.h, see it for additional * credits. * * Copyright (c) 2000-2002 Dave Ellis, SIXNET, dge@sixnetio.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 * */ /* * Memory map: * * ff100000 -> ff13ffff : FPGA CS1 * ff030000 -> ff03ffff : EXPANSION CS7 * ff020000 -> ff02ffff : DATA FLASH CS4 * ff018000 -> ff01ffff : UART B CS6/UPMB * ff010000 -> ff017fff : UART A CS5/UPMB * ff000000 -> ff00ffff : IMAP internal to the MPC855T * f8000000 -> fbffffff : FLASH CS0 up to 64MB * f4000000 -> f7ffffff : NVSRAM CS2 up to 64MB * 00000000 -> 0fffffff : SDRAM CS3/UPMA up to 256MB */ /* ------------------------------------------------------------------------- */ /* * board/config.h - configuration options, board specific */ #ifndef __CONFIG_H #define __CONFIG_H /* * High Level Configuration Options * (easy to change) */ #include <mpc8xx_irq.h> #define CONFIG_SXNI855T 1 /* SIXNET IPm 855T CPU module */ /* The 855T is just a stripped 860T and needs code for 860, so for now * at least define 860, 860T and 855T */ #define CONFIG_MPC860 1 #define CONFIG_MPC860T 1 #define CONFIG_MPC855T 1 #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */ #undef CONFIG_8xx_CONS_SMC2 #undef CONFIG_8xx_CONS_SCC1 #undef CONFIG_8xx_CONS_NONE #define CONFIG_BAUDRATE 9600 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */ #define MPC8XX_FACT 10 /* 50 MHz is 5 MHz in times 10 */ #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */ #if 0 #define CONFIG_BOOTDELAY -1 /* autoboot disabled */ #else #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ #endif /*----------------------------------------------------------------------- * Definitions for status LED */ #define CONFIG_STATUS_LED 1 /* Status LED enabled */ # define STATUS_LED_PAR im_ioport.iop_papar # define STATUS_LED_DIR im_ioport.iop_padir # define STATUS_LED_ODR im_ioport.iop_paodr # define STATUS_LED_DAT im_ioport.iop_padat # define STATUS_LED_BIT 0x8000 /* LED 0 is on PA.0 */ # define STATUS_LED_PERIOD ((CFG_HZ / 2) / 5) /* blink at 5 Hz */ # define STATUS_LED_STATE STATUS_LED_BLINKING # define STATUS_LED_ACTIVE 0 /* LED on for bit == 0 */ # define STATUS_LED_BOOT 0 /* LED 0 used for boot status */ #ifdef DEV /* development (debug) settings */ #define CONFIG_BOOT_LED_STATE STATUS_LED_OFF #else /* production settings */ #define CONFIG_BOOT_LED_STATE STATUS_LED_ON #endif #define CONFIG_SHOW_BOOT_PROGRESS 1 #define CONFIG_BOOTCOMMAND "bootm f8040000 f8100000" /* autoboot command */ #define CONFIG_BOOTARGS "root=/dev/ram ip=off" #define CONFIG_MISC_INIT_R /* have misc_init_r() function */ #define CONFIG_BOARD_POSTCLK_INIT /* have board_postclk_init() function */ #undef CONFIG_WATCHDOG /* watchdog disabled */ #define CONFIG_RTC_DS1306 /* Dallas 1306 real time clock */ #define CONFIG_SOFT_I2C /* I2C bit-banged */ /* * Software (bit-bang) I2C driver configuration */ #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 */ # define CFG_I2C_SPEED 50000 # define CFG_I2C_SLAVE 0xFE # define CFG_I2C_EEPROM_ADDR 0x50 /* Atmel 24C64 */ # define CFG_I2C_EEPROM_ADDR_LEN 2 /* two byte address */ #define CONFIG_FEC_ENET 1 /* use FEC ethernet */ #define CFG_DISCOVER_PHY #define CONFIG_COMMANDS (CONFIG_CMD_DFL | \ CFG_CMD_EEPROM | \ CFG_CMD_NAND | \ CFG_CMD_DATE) /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ #include <cmd_confdefs.h> /* NAND flash support */ #define CONFIG_MTD_NAND_ECC_JFFS2 #define CFG_MAX_NAND_DEVICE 1 /* Max number of NAND devices */ #define SECTORSIZE 512 #define ADDR_COLUMN 1 #define ADDR_PAGE 2 #define ADDR_COLUMN_PAGE 3 #define NAND_ChipID_UNKNOWN 0x00 #define NAND_MAX_FLOORS 1 #define NAND_MAX_CHIPS 1 /* DFBUSY is available on Port C, bit 12; 0 if busy */ #define NAND_WAIT_READY(nand) \ while (!(((volatile immap_t *)CFG_IMMR)->im_ioport.iop_pcdat & 0x0008)); #define WRITE_NAND_COMMAND(d, adr) WRITE_NAND((d), (adr)) #define WRITE_NAND_ADDRESS(d, adr) WRITE_NAND((d), (adr)) #define WRITE_NAND(d, adr) \ do { (*(volatile uint8_t *)(adr) = (uint8_t)(d)); } while (0) #define READ_NAND(adr) (*(volatile uint8_t *)(adr)) #define CLE_LO 0x01 /* 0 selects CLE mode (CLE high) */ #define ALE_LO 0x02 /* 0 selects ALE mode (ALE high) */ #define CE_LO 0x04 /* 1 selects chip (CE low) */ #define nand_setcr(cr, val) do {*(volatile uint8_t*)(cr) = (val);} while (0) #define NAND_DISABLE_CE(nand) \ nand_setcr((nand)->IO_ADDR + 1, ALE_LO | CLE_LO) #define NAND_ENABLE_CE(nand) \ nand_setcr((nand)->IO_ADDR + 1, CE_LO | ALE_LO | CLE_LO) #define NAND_CTL_CLRALE(nandptr) \ nand_setcr((nandptr) + 1, CE_LO | ALE_LO | CLE_LO) #define NAND_CTL_SETALE(nandptr) \ nand_setcr((nandptr) + 1, CE_LO | CLE_LO) #define NAND_CTL_CLRCLE(nandptr) \ nand_setcr((nandptr) + 1, CE_LO | ALE_LO | CLE_LO) #define NAND_CTL_SETCLE(nandptr) \ nand_setcr((nandptr) + 1, CE_LO | ALE_LO) /* * Miscellaneous configurable options */ #define CFG_LONGHELP /* undef to save a little 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 0x0100000 /* memtest works on */ #define CFG_MEMTEST_END 0x0400000 /* 1 ... 4 MB in DRAM */ #define CFG_LOAD_ADDR 0x00100000 #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 #define CFG_IMMR_SIZE ((uint)(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_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_SRAM_BASE 0xF4000000 #define CFG_SRAM_SIZE 0x04000000 /* autosize up to 64Mbyte */ #define CFG_FLASH_BASE 0xF8000000 #define CFG_FLASH_SIZE ((uint)(8 * 1024 * 1024)) /* max 8Mbyte */ #define CFG_DFLASH_BASE 0xff020000 /* DiskOnChip or NAND FLASH */ #define CFG_DFLASH_SIZE 0x00010000 #define CFG_FPGA_BASE 0xFF100000 /* Xilinx FPGA */ #define CFG_FPGA_PROG 0xFF130000 /* Programming address */ #define CFG_FPGA_SIZE 0x00040000 /* 256KiB usable */ #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 1 /* max number of memory banks */ /* Intel 28F640 has 135, 127 64K sectors in 8MB, + 8 more for 8K boot blocks. * AMD 29LV641 has 128 64K sectors in 8MB */ #define CFG_MAX_FLASH_SECT 135 /* 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) */ /*----------------------------------------------------------------------- * 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) /*----------------------------------------------------------------------- * TBSCR - Time Base Status and Control 11-26 *----------------------------------------------------------------------- * Clear Reference Interrupt Status, Timebase freezing enabled */ #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBE) /*----------------------------------------------------------------------- * 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 *----------------------------------------------------------------------- * set the PLL, the low-power modes and the reset control (15-29) */ #define CFG_PLPRCR (((MPC8XX_FACT-1) << PLPRCR_MF_SHIFT) | \ 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) /*----------------------------------------------------------------------- * *----------------------------------------------------------------------- * */ #define CFG_DER 0 /* Because of the way the 860 starts up and assigns CS0 the * entire address space, we have to set the memory controller * differently. Normally, you write the option register * first, and then enable the chip select by writing the * base register. For CS0, you must write the base register * first, followed by the option register. */ /* * Init Memory Controller: * ********************************************************** * BR0 and OR0 (FLASH) */ #define CFG_PRELIM_OR0_AM 0xFC000000 /* OR addr mask */ /* FLASH timing: ACS = 10, TRLX = 1, CSNT = 1, SCY = 3, EHTR = 0 */ #define CFG_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_DIV4 | OR_BI | OR_SCY_3_CLK | OR_TRLX) #define CFG_OR0_PRELIM (CFG_PRELIM_OR0_AM | CFG_OR_TIMING_FLASH) #define CONFIG_FLASH_16BIT #define CFG_BR0_PRELIM ((CFG_FLASH_BASE & BR_BA_MSK) | BR_PS_16 | BR_V ) #define CFG_FLASH_PROTECTION /* need to lock/unlock sectors in hardware */ /********************************************************** * BR1 and OR1 (FPGA) * These preliminary values are also the final values. */ #define CFG_OR_TIMING_FPGA \ (OR_CSNT_SAM | OR_ACS_DIV2 | OR_BI | OR_SCY_4_CLK | OR_EHTR | OR_TRLX) #define CFG_BR1_PRELIM ((CFG_FPGA_BASE & BR_BA_MSK) | BR_PS_8 | BR_V ) #define CFG_OR1_PRELIM (((-CFG_FPGA_SIZE) & OR_AM_MSK) | CFG_OR_TIMING_FPGA) /********************************************************** * BR4 and OR4 (data flash) * These preliminary values are also the final values. */ #define CFG_OR_TIMING_DFLASH \ (OR_CSNT_SAM | OR_ACS_DIV4 | OR_BI | OR_SCY_2_CLK | OR_EHTR | OR_TRLX) #define CFG_BR4_PRELIM ((CFG_DFLASH_BASE & BR_BA_MSK) | BR_PS_8 | BR_V ) #define CFG_OR4_PRELIM (((-CFG_DFLASH_SIZE) & OR_AM_MSK) | CFG_OR_TIMING_DFLASH) /********************************************************** * BR5/6 and OR5/6 (Dual UART) */ #define CFG_DUART_SIZE 0x8000 /* 32K window, only uses 8 bytes */ #define CFG_DUARTA_BASE 0xff010000 #define CFG_DUARTB_BASE 0xff018000 #define DUART_MBMR 0 #define DUART_OR_VALUE (ORMASK(CFG_DUART_SIZE) | OR_G5LS| OR_BI) #define DUART_BR_VALUE (BR_MS_UPMB | BR_PS_8 | BR_V) #define DUART_BR5_VALUE ((CFG_DUARTA_BASE & BR_BA_MSK ) | DUART_BR_VALUE) #define DUART_BR6_VALUE ((CFG_DUARTB_BASE & BR_BA_MSK ) | DUART_BR_VALUE) /********************************************************** * * Boot Flags */ #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ #define BOOTFLAG_WARM 0x02 /* Software reboot */ #define CONFIG_RESET_ON_PANIC /* reset if system panic() */ /* to put environment in EEROM */ #define CFG_ENV_IS_IN_EEPROM 1 #define CFG_ENV_OFFSET 0 /* Start right at beginning of NVRAM */ #define CFG_ENV_SIZE 1024 /* Use only a part of it*/ #if 1 #define CONFIG_BOOT_RETRY_TIME 60 /* boot if no command in 60 seconds */ #endif #if 1 #define CONFIG_AUTOBOOT_KEYED /* use key strings to stop autoboot */ #define CONFIG_AUTOBOOT_PROMPT "autoboot in %d seconds\n" #define CONFIG_AUTOBOOT_DELAY_STR "delayabit" #define CONFIG_AUTOBOOT_STOP_STR " " /* easy to stop for now */ #endif #endif /* __CONFIG_H */