/* * (C) Copyright 2001, 2002 * 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 #include <mpc8xx_irq.h> # ifdef DEBUG # warning DEBUG Defined # endif /* DEBUG */ /* * High Level Configuration Options * (easy to change) */ #define CONFIG_MPC860 1 #define CONFIG_IAD210 1 /* ...on a IAD210 module */ #define CONFIG_MPC860T 1 #define CONFIG_MPC862 1 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */ #undef CONFIG_8xx_CONS_SMC1 #undef CONFIG_8xx_CONS_SMC2 #define CONFIG_8xx_CONS_SCC2 /* V24 on SCC2 */ #undef CONFIG_8xx_CONS_NONE #define CONFIG_BAUDRATE 9600 # define MPC8XX_FACT 16 # define CONFIG_8xx_GCLK_FREQ (64000000L) /* define if can't use get_gclk_freq */ # 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 #define CONFIG_PREBOOT "echo;echo Type \"run flash_nfs\" to mount root filesystem over NFS;echo" /* using this define saves us updating another source file */ #define CONFIG_BOARD_PRE_INIT 1 #undef CONFIG_BOOTARGS /* #define CONFIG_BOOTCOMMAND \ "bootp;" \ "setenv bootargs root=/dev/nfs rw nfsroot=$(serverip):$(rootpath) " \ "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off;" \ "bootm" */ #define CONFIG_BOOTCOMMAND \ "setenv bootargs root=/dev/nfs" \ "ip=192.168.28.129:139.10.137.138:192.168.28.1:255.255.255.0:iadlinux002::off; " \ #undef CONFIG_WATCHDOG /* watchdog disabled */ /* #define CONFIG_STATUS_LED 1*/ /* Status LED enabled */ #define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE) # undef CONFIG_SCC1_ENET /* disable SCC1 ethernet */ # define CONFIG_FEC_ENET 1 /* use FEC ethernet */ # define CFG_DISCOVER_PHY 1 # define CONFIG_FEC_UTOPIA 1 # define CONFIG_ETHADDR 08:00:06:26:A2:6D # define CONFIG_IPADDR 192.168.28.128 # define CONFIG_SERVERIP 139.10.137.138 # define CFG_DISCOVER_PHY 1 #define CONFIG_MAC_PARTITION #define CONFIG_DOS_PARTITION /* enable I2C and select the hardware/software driver */ #undef CONFIG_HARD_I2C /* I2C with hardware support */ #define CONFIG_SOFT_I2C 1 /* I2C bit-banged */ # define CFG_I2C_SPEED 50000 # define CFG_I2C_SLAVE 0xDD # define CFG_I2C_EEPROM_ADDR 0x50 /* * 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 CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */ #define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \ CFG_CMD_ASKENV | \ CFG_CMD_DHCP | \ CFG_CMD_DATE ) /* 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 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 0xFFF00000 #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_FLASH_BASE 0x08000000 #define CFG_FLASH_SIZE ((uint)(4 * 1024 * 1024)) /* max 16Mbyte */ #define CFG_RESET_ADDRESS 0xFFF00100 #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 # 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 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 #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_DBGC11 | 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_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 *----------------------------------------------------------------------- * 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 ) /*----------------------------------------------------------------------- * RCCR - RISC Controller Configuration Register 19-4 *----------------------------------------------------------------------- */ /* +0x09C4 => DRQP = 10 (IDMA requests have lowest priority) */ #define CFG_RCCR 0x0020 /*----------------------------------------------------------------------- * PCMCIA stuff *----------------------------------------------------------------------- */ #define PCMCIA_MEM_ADDR ((uint)0xff020000) #define PCMCIA_MEM_SIZE ((uint)(64 * 1024)) /*----------------------------------------------------------------------- * *----------------------------------------------------------------------- * */ #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 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_REMAP_OR_AM 0xF8000000 /* OR addr mask */ #define CFG_PRELIM_OR_AM 0xF8000000 /* OR addr mask */ /* FLASH timing: TRLX = 0, CSNT = 1, SCY = 3, EHTR = 1 */ #define CFG_OR_TIMING_FLASH (OR_CSNT_SAM | OR_BI | \ OR_SCY_3_CLK | 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_V ) /* * BR2/3 and OR2/3 (SDRAM) * */ #define SDRAM_BASE_PRELIM 0x00000000 /* SDRAM bank #0 */ #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */ /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */ #define CFG_OR2_PRELIM (CFG_PRELIM_OR_AM | OR_CSNT_SAM | OR_BI | OR_ACS_DIV4) #define CFG_BR2_PRELIM ((SDRAM_BASE_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V ) #define CFG_BR1_PRELIM ((SDRAM_BASE1_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V) /* * Memory Periodic Timer Prescaler */ /* periodic timer for refresh */ #define CFG_MAMR_PTA 124 /* start with divider for 64 MHz */ /* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */ #define CFG_MPTPR MPTPR_PTP_DIV32 /* setting for 1 bank */ /* * MAMR settings for SDRAM */ #define CFG_MAMR ((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_8X) /* * Internal Definitions * * Boot Flags */ #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ #define BOOTFLAG_WARM 0x02 /* Software reboot */ #ifdef CONFIG_MPC860T /* Interrupt level assignments. */ #define FEC_INTERRUPT SIU_LEVEL1 /* FEC interrupt */ #endif /* CONFIG_MPC860T */ #endif /* __CONFIG_H */