/* * (C) Copyright 2000 * Murray Jensen <Murray.Jensen@cmst.csiro.au> * * 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 */ /* * Config header file for Cogent platform using an MPC8xx CPU module */ #ifndef __CONFIG_H #define __CONFIG_H /* * High Level Configuration Options * (easy to change) */ #define CONFIG_MPC860 1 /* This is an MPC860 CPU */ #define CONFIG_COGENT 1 /* using Cogent Modular Architecture */ #define CONFIG_MISC_INIT_F 1 /* Use misc_init_f() */ /* Cogent Modular Architecture options */ #define CONFIG_CMA286_60_OLD 1 /* ...on an old CMA286-60 CPU module */ #define CONFIG_CMA102 1 /* ...on a CMA102 motherboard */ #define CONFIG_CMA302 1 /* ...with a CMA302 flash I/O module */ /* serial console configuration */ #undef CONFIG_8xx_CONS_SMC1 #undef CONFIG_8xx_CONS_SMC2 #define CONFIG_8xx_CONS_NONE /* not on 8xx serial ports (eg on cogent m/b) */ #if defined(CONFIG_CMA286_60_OLD) #define CONFIG_8xx_GCLK_FREQ 33333000 /* define if cant use get_gclk_freq */ #endif #define CONFIG_BAUDRATE 230400 #define CONFIG_HARD_I2C /* I2C with hardware support */ #define CFG_I2C_SPEED 400000 /* I2C speed and slave address */ #define CFG_I2C_SLAVE 0x7F #define CONFIG_COMMANDS ((CONFIG_CMD_DFL | CFG_CMD_KGDB | CFG_CMD_I2C) & ~CFG_CMD_NET) /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ #include <cmd_confdefs.h> #if 0 #define CONFIG_BOOTDELAY -1 /* autoboot disabled */ #else #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ #endif #define CONFIG_BOOTCOMMAND "bootm 04080000 04200000" /* autoboot command*/ #define CONFIG_BOOTARGS "root=/dev/ram rw" #if (CONFIG_COMMANDS & CFG_CMD_KGDB) #undef CONFIG_KGDB_ON_SMC /* define if kgdb on SMC */ #undef CONFIG_KGDB_ON_SCC /* define if kgdb on SCC */ #define CONFIG_KGDB_NONE /* define if kgdb on something else */ #define CONFIG_KGDB_INDEX 2 /* which SMC/SCC channel for kgdb */ #define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port */ #endif #define CONFIG_WATCHDOG /* turn on platform specific watchdog */ /* * 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 0x00400000 /* memtest works on */ #define CFG_MEMTEST_END 0x01c00000 /* 4 ... 28 MB in DRAM */ #define CFG_LOAD_ADDR 0x100000 /* default load address */ #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */ #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200, 230400 } #define CFG_ALLOC_DPRAM /* * Low Level Configuration Settings * (address mappings, register initial values, etc.) * You should know what you are doing if you make changes here. */ /*----------------------------------------------------------------------- * Low Level Cogent settings * if CFG_CMA_CONS_SERIAL is defined, make sure the 8xx CPM serial is not. * also, make sure CONFIG_CONS_INDEX is still defined - the index will be * 1 for serialA, 2 for serialB, 3 for ser2A, 4 for ser2B * (second 2 for CMA120 only) */ #define CFG_CMA_MB_BASE 0x00000000 /* base of m/b address space */ #include <configs/cogent_common.h> #define CFG_CMA_CONS_SERIAL /* use Cogent motherboard serial for console */ #define CONFIG_CONS_INDEX 1 #define CFG_CMA_LCD_HEARTBEAT /* define for sec rotator in lcd corner */ #define CONFIG_SHOW_ACTIVITY #if (CMA_MB_CAPS & CMA_MB_CAP_FLASH) /* * flash exists on the motherboard * set these four according to TOP dipsw: * TOP on => ..._FLLOW_... (boot EPROM space is high so FLASH is low ) * TOP off => ..._FLHIGH_... (boot EPROM space is low so FLASH is high) */ #define CMA_MB_FLASH_EXEC_BASE CMA_MB_FLLOW_EXEC_BASE #define CMA_MB_FLASH_EXEC_SIZE CMA_MB_FLLOW_EXEC_SIZE #define CMA_MB_FLASH_RDWR_BASE CMA_MB_FLLOW_RDWR_BASE #define CMA_MB_FLASH_RDWR_SIZE CMA_MB_FLLOW_RDWR_SIZE #endif #define CMA_MB_FLASH_BASE CMA_MB_FLASH_EXEC_BASE #define CMA_MB_FLASH_SIZE CMA_MB_FLASH_EXEC_SIZE /*----------------------------------------------------------------------- * 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 CMA_MB_RAM_BASE #ifdef CONFIG_CMA302 #define CFG_FLASH_BASE CMA_MB_SLOT2_BASE /* cma302 in slot 2 */ #else #define CFG_FLASH_BASE CMA_MB_FLASH_BASE /* flash on m/b */ #endif #define CFG_MONITOR_BASE TEXT_BASE #define CFG_MONITOR_LEN (128 << 10) /* Reserve 128 kB for Monitor */ #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 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_ADDR CFG_FLASH_BASE /* Addr of Environment Sector */ #ifdef CONFIG_CMA302 #define CFG_ENV_SIZE 0x1000 /* Total Size of Environment Sector */ #define CFG_ENV_SECT_SIZE (512*1024) /* see README - env sect real size */ #else #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 /* CONFIG_WATCHDOG */ /*----------------------------------------------------------------------- * 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_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 - 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_RTDIV | SCCR_RTSEL | \ SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \ SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \ SCCR_DFALCD00) /*----------------------------------------------------------------------- * PCMCIA stuff *----------------------------------------------------------------------- * */ #define CFG_PCMCIA_MEM_ADDR (0xE0000000) #define CFG_PCMCIA_MEM_SIZE ( 64 << 20 ) #define CFG_PCMCIA_DMA_ADDR (0xE4000000) #define CFG_PCMCIA_DMA_SIZE ( 64 << 20 ) #define CFG_PCMCIA_ATTRB_ADDR (0xE8000000) #define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 ) #define CFG_PCMCIA_IO_ADDR (0xEC000000) #define CFG_PCMCIA_IO_SIZE ( 64 << 20 ) /*----------------------------------------------------------------------- * *----------------------------------------------------------------------- * */ /*#define CFG_DER 0x2002000F*/ #define CFG_DER 0 #if defined(CONFIG_CMA286_60_OLD) /* * Init Memory Controller: * * NOTE: although the names (CFG_xRn_PRELIM) suggest preliminary settings, * they are actually the final settings for this cpu/board, because the * flash and RAM are on the motherboard, accessed via the CMAbus, and the * mappings are pretty much fixed. * * (the *_SIZE vars must be a power of 2) */ #define CFG_CMA_CS0_BASE TEXT_BASE /* EPROM */ #define CFG_CMA_CS0_SIZE (1 << 20) #define CFG_CMA_CS1_BASE CMA_MB_RAM_BASE /* RAM + I/O SLOT 1 */ #define CFG_CMA_CS1_SIZE (64 << 20) #define CFG_CMA_CS2_BASE CMA_MB_SLOT2_BASE /* I/O SLOTS 2 + 3 */ #define CFG_CMA_CS2_SIZE (64 << 20) #define CFG_CMA_CS3_BASE CMA_MB_ROMLOW_BASE /* M/B I/O */ #define CFG_CMA_CS3_SIZE (32 << 20) /* * CS0 maps the EPROM on the cpu module * Set it for 4 wait states, address CFG_MONITOR_BASE and size 1M * * Note: We must have already transferred control to the final location * of the EPROM before these are used, because when BR0/OR0 are set, the * mirror of the eprom at any other addresses will disappear. */ /* base address = CFG_CMA_CS0_BASE, 16-bit, no parity, r/o, gpcm */ #define CFG_BR0_PRELIM ((CFG_CMA_CS0_BASE&BR_BA_MSK)|BR_PS_16|BR_WP|BR_V) /* mask size CFG_CMA_CS0_SIZE, CS time normal, burst inhibit, 4-wait states */ #define CFG_OR0_PRELIM ((~(CFG_CMA_CS0_SIZE-1)&OR_AM_MSK)|OR_BI|OR_SCY_4_CLK) /* * CS1 maps motherboard DRAM and motherboard I/O slot 1 * (each 32Mbyte in size) */ /* base address = CFG_CMA_CS1_BASE, 32-bit, no parity, r/w, gpcm */ #define CFG_BR1_PRELIM ((CFG_CMA_CS1_BASE&BR_BA_MSK)|BR_V) /* mask size CFG_CMA_CS1_SIZE, CS time normal, burst ok, ext xfer ack */ #define CFG_OR1_PRELIM ((~(CFG_CMA_CS1_SIZE-1)&OR_AM_MSK)|OR_SETA) /* * CS2 maps motherboard I/O slots 2 and 3 * (each 32Mbyte in size) */ /* base address = CFG_CMA_CS2_BASE, 32-bit, no parity, r/w, gpcm */ #define CFG_BR2_PRELIM ((CFG_CMA_CS2_BASE&BR_BA_MSK)|BR_V) /* mask size CFG_CMA_CS2_SIZE, CS time normal, burst ok, ext xfer ack */ #define CFG_OR2_PRELIM ((~(CFG_CMA_CS2_SIZE-1)&OR_AM_MSK)|OR_SETA) /* * CS3 maps motherboard I/O * (32Mbyte in size) */ /* base address = CFG_CMA_CS3_BASE, 32-bit, no parity, r/w, gpcm */ #define CFG_BR3_PRELIM ((CFG_CMA_CS3_BASE&BR_BA_MSK)|BR_V) /* mask size CFG_CMA_CS3_SIZE, CS time normal, burst inhibit, ext xfer ack */ #define CFG_OR3_PRELIM ((~(CFG_CMA_CS3_SIZE-1)&OR_AM_MSK)|OR_BI|OR_SETA) #endif /* * Internal Definitions * * Boot Flags */ #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ #define BOOTFLAG_WARM 0x02 /* Software reboot */ #endif /* __CONFIG_H */