/* * (C) Copyright 2001-2005 * 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 /* * Workaround for layout bug on prototype board */ #define PCU_E_WITH_SWAPPED_CS 1 /* * High Level Configuration Options * (easy to change) */ #define CONFIG_MPC860 1 /* This is a MPC860T CPU */ #define CONFIG_MPC860T 1 #define CONFIG_PCU_E 1 /* ...on a PCU E board */ #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */ #define CONFIG_BAUDRATE 9600 #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 \ "bootp;" \ "setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} " \ "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off;" \ "bootm" #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_PRAM 2048 /* reserve 2 MB "protected RAM" */ #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */ #define CONFIG_SPI /* enable SPI driver */ #define CONFIG_SPI_X /* 16 bit EEPROM addressing */ #define CONFIG_HARD_I2C 1 /* I2C with hardware support */ #define CFG_I2C_SPEED 400000 /* I2C speed and slave address */ #define CFG_I2C_SLAVE 0x7F /* ---------------------------------------------------------------- * Offset to initial SPI buffers in DPRAM (used if the environment * is in the SPI EEPROM): We need a 520 byte scratch DPRAM area to * use at an early stage. It is used between the two initialization * calls (spi_init_f() and spi_init_r()). The value 0xB00 makes it * far enough from the start of the data area (as well as from the * stack pointer). * ---------------------------------------------------------------- */ #define CFG_SPI_INIT_OFFSET 0xB00 #define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \ CFG_CMD_BSP | \ CFG_CMD_DATE | \ CFG_CMD_DHCP | \ CFG_CMD_EEPROM | \ CFG_CMD_NFS | \ CFG_CMD_SNTP ) #define CONFIG_BOOTP_MASK \ ((CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE) & ~CONFIG_BOOTP_GATEWAY) /* 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 0x00100000 /* memtest works on */ #define CFG_MEMTEST_END 0x00F00000 /* 1 ... 15MB in DRAM */ #define CFG_LOAD_ADDR 0x00100000 /* default load address */ #define CFG_PIO_MODE 0 /* IDE interface in PIO Mode 0 */ /* Ethernet hardware configuration done using port pins */ #define CFG_PB_ETH_RESET 0x00000020 /* PB 26 */ #if PCU_E_WITH_SWAPPED_CS /* XXX */ #define CFG_PA_ETH_MDDIS 0x4000 /* PA 1 */ #define CFG_PB_ETH_POWERDOWN 0x00000800 /* PB 20 */ #define CFG_PB_ETH_CFG1 0x00000400 /* PB 21 */ #define CFG_PB_ETH_CFG2 0x00000200 /* PB 22 */ #define CFG_PB_ETH_CFG3 0x00000100 /* PB 23 */ #else /* XXX */ #define CFG_PB_ETH_MDDIS 0x00000010 /* PB 27 */ #define CFG_PB_ETH_POWERDOWN 0x00000100 /* PB 23 */ #define CFG_PB_ETH_CFG1 0x00000200 /* PB 22 */ #define CFG_PB_ETH_CFG2 0x00000400 /* PB 21 */ #define CFG_PB_ETH_CFG3 0x00000800 /* PB 20 */ #endif /* XXX */ /* Ethernet settings: * MDIO enabled, autonegotiation, 10/100Mbps, half/full duplex */ #define CFG_ETH_MDDIS_VALUE 0 #define CFG_ETH_CFG1_VALUE 1 #define CFG_ETH_CFG2_VALUE 1 #define CFG_ETH_CFG3_VALUE 1 /* PUMA configuration */ #if PCU_E_WITH_SWAPPED_CS /* XXX */ #define CFG_PB_PUMA_PROG 0x00000010 /* PB 27 */ #else /* XXX */ #define CFG_PA_PUMA_PROG 0x4000 /* PA 1 */ #endif /* XXX */ #define CFG_PC_PUMA_DONE 0x0008 /* PC 12 */ #define CFG_PC_PUMA_INIT 0x0004 /* PC 13 */ #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 0xFE000000 /*----------------------------------------------------------------------- * 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 /*----------------------------------------------------------------------- * Address accessed to reset the board - must not be mapped/assigned */ #define CFG_RESET_ADDRESS 0xFEFFFFFF /*----------------------------------------------------------------------- * 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 /* this is an ugly hack needed because of the silly non-constant address map */ #define CFG_FLASH_BASE (0-flash_info[0].size-flash_info[1].size) #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 TEXT_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 160 /* max number of sectors on one chip */ #define CFG_FLASH_ERASE_TOUT 180000 /* Timeout for Flash Erase (in ms) */ #define CFG_FLASH_WRITE_TOUT 1000 /* Timeout for Flash Write (in ms) */ #if 0 /* Start port with environment in flash; switch to SPI EEPROM later */ #define CFG_ENV_IS_IN_FLASH 1 #define CFG_ENV_SIZE 0x2000 /* Total Size of Environment */ #define CFG_ENV_ADDR 0xFFFFE000 /* Address of Environment Sector */ #define CFG_ENV_SECT_SIZE 0x2000 /* use the top-most 8k boot sector */ #define CFG_ENV_IS_EMBEDDED 1 /* short-cut compile-time test */ #else /* Final version: environment in EEPROM */ #define CFG_ENV_IS_IN_EEPROM 1 #define CFG_I2C_EEPROM_ADDR 0 #define CFG_I2C_EEPROM_ADDR_LEN 2 #define CFG_ENV_OFFSET 1024 #define CFG_ENV_SIZE 1024 #endif /*----------------------------------------------------------------------- * Cache Configuration */ #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */ #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */ /*----------------------------------------------------------------------- * 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 *----------------------------------------------------------------------- * External Arbitration max. priority (7), * Debug pins configuration '11', * Asynchronous external master enable. */ /* => 0x70600200 */ #define CFG_SIUMCR (SIUMCR_EARP7 | SIUMCR_DBGC11 | SIUMCR_AEME) /*----------------------------------------------------------------------- * 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 *----------------------------------------------------------------------- * Reset PLL lock status sticky bit, timer expired status bit and timer * interrupt status bit, set PLL multiplication factor ! */ /* 0x00004080 */ #define CFG_PLPRCR_MF 0 /* (0+1) * 50 = 50 MHz Clock */ #define CFG_PLPRCR \ ( (CFG_PLPRCR_MF << PLPRCR_MF_SHIFT) | \ PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST | \ /*PLPRCR_CSRC|*/ PLPRCR_LPM_NORMAL | \ PLPRCR_CSR /*| PLPRCR_LOLRE|PLPRCR_FIOPD*/ \ ) #define CONFIG_8xx_GCLK_FREQ ((CFG_PLPRCR_MF+1)*50000000) /*----------------------------------------------------------------------- * 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 * * Note: PITRTCLK is 50MHz / 512 = 97'656.25 Hz */ #define SCCR_MASK SCCR_EBDF11 /* 0x01800000 */ #define CFG_SCCR (SCCR_COM00 | /*SCCR_TBS|*/ \ SCCR_RTDIV | SCCR_RTSEL | \ /*SCCR_CRQEN|*/ /*SCCR_PRQEN|*/ \ SCCR_EBDF00 | SCCR_DFSYNC00 | \ SCCR_DFBRG00 | SCCR_DFNL000 | \ SCCR_DFNH000 | SCCR_DFLCD100 | \ SCCR_DFALCD01) /*----------------------------------------------------------------------- * RTCSC - Real-Time Clock Status and Control Register 11-27 *----------------------------------------------------------------------- * * Note: RTC counts at PITRTCLK / 8'192 = 11.920928 Hz !!! * * Don't expect the "date" command to work without a 32kHz clock input! */ /* 0x00C3 => 0x0003 */ #define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE) /*----------------------------------------------------------------------- * RCCR - RISC Controller Configuration Register 19-4 *----------------------------------------------------------------------- */ #define CFG_RCCR 0x0000 /*----------------------------------------------------------------------- * RMDS - RISC Microcode Development Support Control Register *----------------------------------------------------------------------- */ #define CFG_RMDS 0 /*----------------------------------------------------------------------- * * Interrupt Levels *----------------------------------------------------------------------- */ #define CFG_CPM_INTERRUPT 13 /* SIU_LEVEL6 */ /*----------------------------------------------------------------------- * *----------------------------------------------------------------------- * */ #define CFG_DER 0 /* * Init Memory Controller: * * BR0/1 and OR0/1 (FLASH) - second Flash bank optional */ #define FLASH_BASE0_PRELIM 0xFF800000 /* FLASH bank #0 */ #if PCU_E_WITH_SWAPPED_CS /* XXX */ #define FLASH_BASE6_PRELIM 0xFF000000 /* FLASH bank #1 */ #else /* XXX */ #define FLASH_BASE1_PRELIM 0xFF000000 /* FLASH bank #1 */ #endif /* XXX */ /* * used to re-map FLASH: restrict access enough but not too much to * meddle with FLASH accesses */ #define CFG_REMAP_OR_AM 0xFF800000 /* OR addr mask */ #define CFG_PRELIM_OR_AM 0xFF800000 /* OR addr mask */ /* FLASH timing: CSNT = 0, ACS = 00, SCY = 8, EHTR = 1 */ #define CFG_OR_TIMING_FLASH (OR_SCY_8_CLK | OR_EHTR) #define CFG_OR0_REMAP ( CFG_REMAP_OR_AM | OR_ACS_DIV1 | OR_BI | \ CFG_OR_TIMING_FLASH) #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | OR_ACS_DIV1 | OR_BI | \ CFG_OR_TIMING_FLASH) /* 16 bit, bank valid */ #define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_PS_16 | BR_V ) #if PCU_E_WITH_SWAPPED_CS /* XXX */ #define CFG_OR6_REMAP CFG_OR0_REMAP #define CFG_OR6_PRELIM CFG_OR0_PRELIM #define CFG_BR6_PRELIM ((FLASH_BASE6_PRELIM & BR_BA_MSK) | BR_PS_16 | BR_V ) #else /* XXX */ #define CFG_OR1_REMAP CFG_OR0_REMAP #define CFG_OR1_PRELIM CFG_OR0_PRELIM #define CFG_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_PS_16 | BR_V ) #endif /* XXX */ /* * BR2/OR2: SDRAM * * Multiplexed addresses, GPL5 output to GPL5_A (don't care) */ #if PCU_E_WITH_SWAPPED_CS /* XXX */ #define SDRAM_BASE5_PRELIM 0x00000000 /* SDRAM bank */ #else /* XXX */ #define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank */ #endif /* XXX */ #define SDRAM_PRELIM_OR_AM 0xF8000000 /* map 128 MB (>SDRAM_MAX_SIZE!) */ #define SDRAM_TIMING OR_CSNT_SAM /* SDRAM-Timing */ #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB SDRAM */ #if PCU_E_WITH_SWAPPED_CS /* XXX */ #define CFG_OR5_PRELIM (SDRAM_PRELIM_OR_AM | SDRAM_TIMING ) #define CFG_BR5_PRELIM ((SDRAM_BASE5_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V ) #else /* XXX */ #define CFG_OR2_PRELIM (SDRAM_PRELIM_OR_AM | SDRAM_TIMING ) #define CFG_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V ) #endif /* XXX */ /* * BR3/OR3: CAN Controller * BR3: 0x10000401 OR3: 0xffff818a */ #define CAN_CTRLR_BASE 0x10000000 /* CAN Controller */ #define CAN_CTRLR_OR_AM 0xFFFF8000 /* 32 kB */ #define CAN_CTRLR_TIMING (OR_BI | OR_SCY_8_CLK | OR_SETA | OR_EHTR) #if PCU_E_WITH_SWAPPED_CS /* XXX */ #define CFG_BR4_PRELIM ((CAN_CTRLR_BASE & BR_BA_MSK) | BR_PS_8 | BR_V) #define CFG_OR4_PRELIM (CAN_CTRLR_OR_AM | CAN_CTRLR_TIMING) #else /* XXX */ #define CFG_BR3_PRELIM ((CAN_CTRLR_BASE & BR_BA_MSK) | BR_PS_8 | BR_V) #define CFG_OR3_PRELIM (CAN_CTRLR_OR_AM | CAN_CTRLR_TIMING) #endif /* XXX */ /* * BR4/OR4: PUMA Config * * Memory controller will be used in 2 modes: * * - "read" mode: * BR4: 0x10100801 OR4: 0xffff8530 * - "load" mode (chip select on UPM B): * BR4: 0x101008c1 OR4: 0xffff8630 * * Default initialization is in "read" mode */ #define PUMA_CONF_BASE 0x10100000 /* PUMA Config */ #define PUMA_CONF_OR_AM 0xFFFF8000 /* 32 kB */ #define PUMA_CONF_LOAD_TIMING (OR_ACS_DIV2 | OR_SCY_3_CLK) #define PUMA_CONF_READ_TIMING (OR_G5LA | OR_BI | OR_SCY_3_CLK) #define PUMA_CONF_BR_LOAD ((PUMA_CONF_BASE & BR_BA_MSK) | \ BR_PS_16 | BR_MS_UPMB | BR_V) #define PUMA_CONF_OR_LOAD (PUMA_CONF_OR_AM | PUMA_CONF_LOAD_TIMING) #define PUMA_CONF_BR_READ ((PUMA_CONF_BASE & BR_BA_MSK) | BR_PS_16 | BR_V) #define PUMA_CONF_OR_READ (PUMA_CONF_OR_AM | PUMA_CONF_READ_TIMING) #if PCU_E_WITH_SWAPPED_CS /* XXX */ #define CFG_BR3_PRELIM PUMA_CONF_BR_READ #define CFG_OR3_PRELIM PUMA_CONF_OR_READ #else /* XXX */ #define CFG_BR4_PRELIM PUMA_CONF_BR_READ #define CFG_OR4_PRELIM PUMA_CONF_OR_READ #endif /* XXX */ /* * BR5/OR5: PUMA: SMA Bus 8 Bit * BR5: 0x10200401 OR5: 0xffe0010a */ #define PUMA_SMA8_BASE 0x10200000 /* PUMA SMA Bus 8 Bit */ #define PUMA_SMA8_OR_AM 0xFFE00000 /* 2 MB */ #define PUMA_SMA8_TIMING (OR_BI | OR_SCY_0_CLK | OR_EHTR) #if PCU_E_WITH_SWAPPED_CS /* XXX */ #define CFG_BR2_PRELIM ((PUMA_SMA8_BASE & BR_BA_MSK) | BR_PS_8 | BR_V) #define CFG_OR2_PRELIM (PUMA_SMA8_OR_AM | PUMA_SMA8_TIMING | OR_SETA) #else /* XXX */ #define CFG_BR5_PRELIM ((PUMA_SMA8_BASE & BR_BA_MSK) | BR_PS_8 | BR_V) #define CFG_OR5_PRELIM (PUMA_SMA8_OR_AM | PUMA_SMA8_TIMING | OR_SETA) #endif /* XXX */ /* * BR6/OR6: PUMA: SMA Bus 16 Bit * BR6: 0x10600801 OR6: 0xffe0010a */ #define PUMA_SMA16_BASE 0x10600000 /* PUMA SMA Bus 16 Bit */ #define PUMA_SMA16_OR_AM 0xFFE00000 /* 2 MB */ #define PUMA_SMA16_TIMING (OR_BI | OR_SCY_0_CLK | OR_EHTR) #if PCU_E_WITH_SWAPPED_CS /* XXX */ #define CFG_BR1_PRELIM ((PUMA_SMA16_BASE & BR_BA_MSK) | BR_PS_16 | BR_V) #define CFG_OR1_PRELIM (PUMA_SMA16_OR_AM | PUMA_SMA16_TIMING | OR_SETA) #else /* XXX */ #define CFG_BR6_PRELIM ((PUMA_SMA16_BASE & BR_BA_MSK) | BR_PS_16 | BR_V) #define CFG_OR6_PRELIM (PUMA_SMA16_OR_AM | PUMA_SMA16_TIMING | OR_SETA) #endif /* XXX */ /* * BR7/OR7: PUMA: external Flash * BR7: 0x10a00801 OR7: 0xfe00010a */ #define PUMA_FLASH_BASE 0x10A00000 /* PUMA external Flash */ #define PUMA_FLASH_OR_AM 0xFE000000 /* 32 MB */ #define PUMA_FLASH_TIMING (OR_BI | OR_SCY_0_CLK | OR_EHTR) #define CFG_BR7_PRELIM ((PUMA_FLASH_BASE & BR_BA_MSK) | BR_PS_16 | BR_V) #define CFG_OR7_PRELIM (PUMA_FLASH_OR_AM | PUMA_FLASH_TIMING | OR_SETA) /* * Memory Periodic Timer Prescaler */ /* periodic timer for refresh */ #define CFG_MPTPR 0x0200 /* * MAMR settings for SDRAM * 0x30104118 = Timer A period 0x30, MAMR_AMB_TYPE_1, MAMR_G0CLB_A10, * MAMR_RLFB_1X, MAMR_WLFB_1X, MAMR_TLFB_8X * 0x30904114 = - " - | Periodic Timer A Enable, MAMR_TLFB_4X */ /* periodic timer for refresh */ #define CFG_MAMR_PTA 0x30 /* = 48 */ #define CFG_MAMR ( (CFG_MAMR_PTA << MAMR_PTA_SHIFT) | \ MAMR_AMA_TYPE_1 | \ MAMR_G0CLA_A10 | \ 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 */ #endif /* __CONFIG_H */