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Diffstat (limited to 'include/configs/cogent_mpc8xx.h')
| -rw-r--r-- | include/configs/cogent_mpc8xx.h | 357 |
1 files changed, 357 insertions, 0 deletions
diff --git a/include/configs/cogent_mpc8xx.h b/include/configs/cogent_mpc8xx.h new file mode 100644 index 0000000..2fd4037 --- /dev/null +++ b/include/configs/cogent_mpc8xx.h @@ -0,0 +1,357 @@ +/* + * (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 */ + +/* 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 */ +#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 */ |