| /* |
| * (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_MPC8260 1 /* This is an MPC8260 CPU */ |
| #define CONFIG_COGENT 1 /* using Cogent Modular Architecture */ |
| |
| /* Cogent Modular Architecture options */ |
| #define CONFIG_CMA282 1 /* ...on a CMA282 CPU module */ |
| #define CONFIG_CMA111 1 /* ...on a CMA111 motherboard */ |
| |
| /* |
| * select serial console configuration |
| * |
| * if either CONFIG_CONS_ON_SMC or CONFIG_CONS_ON_SCC is selected, then |
| * CONFIG_CONS_INDEX must be set to the channel number (1-2 for SMC, 1-4 |
| * for SCC). |
| * |
| * if CONFIG_CONS_NONE is defined, then the serial console routines must |
| * defined elsewhere (for example, on the cogent platform, there are serial |
| * ports on the motherboard which are used for the serial console - see |
| * cogent/cma101/serial.[ch]). |
| */ |
| #define CONFIG_CONS_ON_SMC /* define if console on SMC */ |
| #undef CONFIG_CONS_ON_SCC /* define if console on SCC */ |
| #undef CONFIG_CONS_NONE /* define if console on something else*/ |
| #define CONFIG_CONS_INDEX 1 /* which serial channel for console */ |
| #undef CONFIG_CONS_USE_EXTC /* SMC/SCC use ext clock not brg_clk */ |
| #define CONFIG_CONS_EXTC_RATE 3686400 /* SMC/SCC ext clk rate in Hz */ |
| #define CONFIG_CONS_EXTC_PINSEL 0 /* pin select 0=CLK3/CLK9,1=CLK5/CLK15*/ |
| |
| /* |
| * select ethernet configuration |
| * |
| * if either CONFIG_ETHER_ON_SCC or CONFIG_ETHER_ON_FCC is selected, then |
| * CONFIG_ETHER_INDEX must be set to the channel number (1-4 for SCC, 1-3 |
| * for FCC) |
| * |
| * if CONFIG_ETHER_NONE is defined, then either the ethernet routines must be |
| * defined elsewhere (as for the console), or CFG_CMD_NET must be removed |
| * from CONFIG_COMMANDS to remove support for networking. |
| */ |
| #undef CONFIG_ETHER_ON_SCC /* define if ether on SCC */ |
| #undef CONFIG_ETHER_ON_FCC /* define if ether on FCC */ |
| #define CONFIG_ETHER_NONE /* define if ether on something else */ |
| #define CONFIG_ETHER_INDEX 1 /* which channel for ether */ |
| |
| /* system clock rate (CLKIN) - equal to the 60x and local bus speed */ |
| #define CONFIG_8260_CLKIN 66666666 /* in Hz */ |
| |
| #if defined(CONFIG_CONS_NONE) || defined(CONFIG_CONS_USE_EXTC) |
| #define CONFIG_BAUDRATE 230400 |
| #else |
| #define CONFIG_BAUDRATE 9600 |
| #endif |
| |
| #define CONFIG_COMMANDS ((CONFIG_CMD_DFL|CFG_CMD_KGDB)&~CFG_CMD_NET) |
| |
| /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ |
| #include <cmd_confdefs.h> |
| |
| #ifdef DEBUG |
| #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) |
| #define CONFIG_KGDB_ON_SMC /* define if kgdb on SMC */ |
| #undef CONFIG_KGDB_ON_SCC /* define if kgdb on SCC */ |
| #undef CONFIG_KGDB_NONE /* define if kgdb on something else */ |
| #define CONFIG_KGDB_INDEX 2 /* which serial channel for kgdb */ |
| #define CONFIG_KGDB_USE_EXTC /* SMC/SCC use ext clock not brg_clk */ |
| #define CONFIG_KGDB_EXTC_RATE 3686400 /* serial ext clk rate in Hz */ |
| #define CONFIG_KGDB_EXTC_PINSEL 0 /* pin select 0=CLK3/CLK9,1=CLK5/CLK15*/ |
| # if defined(CONFIG_KGDB_NONE) || defined(CONFIG_KGDB_USE_EXTC) |
| #define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port at */ |
| # else |
| #define CONFIG_KGDB_BAUDRATE 9600 /* speed to run kgdb serial port at */ |
| # endif |
| #endif |
| |
| #undef CONFIG_WATCHDOG /* disable 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 } |
| |
| /* |
| * 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 8260 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> |
| |
| #ifdef CONFIG_CONS_NONE |
| #define CFG_CMA_CONS_SERIAL /* use Cogent motherboard serial for console */ |
| #endif |
| #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 |
| |
| /*----------------------------------------------------------------------- |
| * Hard Reset Configuration Words |
| * |
| * if you change bits in the HRCW, you must also change the CFG_* |
| * defines for the various registers affected by the HRCW e.g. changing |
| * HRCW_DPPCxx requires you to also change CFG_SIUMCR. |
| */ |
| #define CFG_HRCW_MASTER (HRCW_EBM|HRCW_BPS10|HRCW_L2CPC10|HRCW_DPPC11|\ |
| HRCW_ISB100|HRCW_MMR11|HRCW_MODCK_H0101) |
| /* no slaves so just duplicate the master hrcw */ |
| #define CFG_HRCW_SLAVE1 CFG_HRCW_MASTER |
| #define CFG_HRCW_SLAVE2 CFG_HRCW_MASTER |
| #define CFG_HRCW_SLAVE3 CFG_HRCW_MASTER |
| #define CFG_HRCW_SLAVE4 CFG_HRCW_MASTER |
| #define CFG_HRCW_SLAVE5 CFG_HRCW_MASTER |
| #define CFG_HRCW_SLAVE6 CFG_HRCW_MASTER |
| #define CFG_HRCW_SLAVE7 CFG_HRCW_MASTER |
| |
| /*----------------------------------------------------------------------- |
| * Internal Memory Mapped Register |
| */ |
| #define CFG_IMMR 0xF0000000 |
| |
| /*----------------------------------------------------------------------- |
| * Definitions for initial stack pointer and data area (in DPRAM) |
| */ |
| #define CFG_INIT_RAM_ADDR CFG_IMMR |
| #define CFG_INIT_RAM_END 0x4000 /* End of used area in DPRAM */ |
| #define CFG_GBL_DATA_SIZE 128 /* 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 (256 << 10) /* Reserve 256 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 Mem map for Linux*/ |
| |
| /*----------------------------------------------------------------------- |
| * FLASH organization |
| */ |
| #define CFG_MAX_FLASH_BANKS 2 /* max num of memory banks */ |
| #define CFG_MAX_FLASH_SECT 67 /* max num of sects on one chip */ |
| |
| #define CFG_FLASH_ERASE_TOUT 120000 /* Flash Erase Timeout (in ms) */ |
| #define CFG_FLASH_WRITE_TOUT 500 /* Flash Write Timeout (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 32 /* For MPC8260 CPU */ |
| #if (CONFIG_COMMANDS & CFG_CMD_KGDB) |
| # define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value*/ |
| #endif |
| |
| /*----------------------------------------------------------------------- |
| * HIDx - Hardware Implementation-dependent Registers 2-11 |
| *----------------------------------------------------------------------- |
| * HID0 also contains cache control - initially enable both caches and |
| * invalidate contents, then the final state leaves only the instruction |
| * cache enabled. Note that Power-On and Hard reset invalidate the caches, |
| * but Soft reset does not. |
| * |
| * HID1 has only read-only information - nothing to set. |
| */ |
| #define CFG_HID0_INIT (HID0_ICE|HID0_DCE|HID0_ICFI|HID0_DCI|\ |
| HID0_IFEM|HID0_ABE) |
| #define CFG_HID0_FINAL (HID0_ICE|HID0_IFEM|HID0_ABE) |
| #define CFG_HID2 0 |
| |
| /*----------------------------------------------------------------------- |
| * RMR - Reset Mode Register 5-5 |
| *----------------------------------------------------------------------- |
| * turn on Checkstop Reset Enable |
| */ |
| #define CFG_RMR RMR_CSRE |
| |
| /*----------------------------------------------------------------------- |
| * BCR - Bus Configuration 4-25 |
| *----------------------------------------------------------------------- |
| */ |
| #define CFG_BCR BCR_EBM |
| |
| /*----------------------------------------------------------------------- |
| * SIUMCR - SIU Module Configuration 4-31 |
| *----------------------------------------------------------------------- |
| */ |
| #define CFG_SIUMCR (SIUMCR_DPPC11|SIUMCR_L2CPC10|SIUMCR_MMR11) |
| |
| /*----------------------------------------------------------------------- |
| * SYPCR - System Protection Control 4-35 |
| * SYPCR can only be written once after reset! |
| *----------------------------------------------------------------------- |
| * Watchdog & Bus Monitor Timer max, 60x Bus Monitor enable |
| */ |
| #if defined(CONFIG_WATCHDOG) |
| #define CFG_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\ |
| SYPCR_SWRI|SYPCR_SWP|SYPCR_SWE) |
| #else |
| #define CFG_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\ |
| SYPCR_SWRI|SYPCR_SWP) |
| #endif /* CONFIG_WATCHDOG */ |
| |
| /*----------------------------------------------------------------------- |
| * TMCNTSC - Time Counter Status and Control 4-40 |
| *----------------------------------------------------------------------- |
| * Clear once per Second and Alarm Interrupt Status, Set 32KHz timersclk, |
| * and enable Time Counter |
| */ |
| #define CFG_TMCNTSC (TMCNTSC_SEC|TMCNTSC_ALR|TMCNTSC_TCF|TMCNTSC_TCE) |
| |
| /*----------------------------------------------------------------------- |
| * PISCR - Periodic Interrupt Status and Control 4-42 |
| *----------------------------------------------------------------------- |
| * Clear Periodic Interrupt Status, Set 32KHz timersclk, and enable |
| * Periodic timer |
| */ |
| #define CFG_PISCR (PISCR_PS|PISCR_PTF|PISCR_PTE) |
| |
| /*----------------------------------------------------------------------- |
| * SCCR - System Clock Control 9-8 |
| *----------------------------------------------------------------------- |
| * Ensure DFBRG is Divide by 16 |
| */ |
| #define CFG_SCCR (SCCR_DFBRG01) |
| |
| /*----------------------------------------------------------------------- |
| * RCCR - RISC Controller Configuration 13-7 |
| *----------------------------------------------------------------------- |
| */ |
| #define CFG_RCCR 0 |
| |
| #if defined(CONFIG_CMA282) |
| |
| /* |
| * Init Memory Controller: |
| * |
| * According to the Cogent manual, only CS0 and CS2 are used - CS0 for EPROM |
| * and CS2 for (optional) local bus RAM on the CPU module. |
| * |
| * Note the motherboard address space (256 Mbyte in size) is connected |
| * to the 60x Bus and is located starting at address 0. The Hard Reset |
| * Configuration Word should put the 60x Bus into External Bus Mode, since |
| * we dont set up any memory controller maps for it (see BCR[EBM], 4-26). |
| * |
| * (the *_SIZE vars must be a power of 2) |
| */ |
| |
| #define CFG_CMA_CS0_BASE TEXT_BASE /* EPROM */ |
| #define CFG_CMA_CS0_SIZE (1 << 20) |
| #if 0 |
| #define CFG_CMA_CS2_BASE 0x10000000 /* Local Bus SDRAM */ |
| #define CFG_CMA_CS2_SIZE (16 << 20) |
| #endif |
| |
| /* |
| * CS0 maps the EPROM on the cpu module |
| * Set it for 10 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 (60x bus) */ |
| #define CFG_BR0_PRELIM ((CFG_CMA_CS0_BASE&BRx_BA_MSK)|BRx_PS_16|BRx_WP|BRx_V) |
| /* mask size CFG_CMA_CS0_SIZE, csneg 1/4 early, adr-to-cs 1/2, 10-wait states */ |
| #define CFG_OR0_PRELIM (P2SZ_TO_AM(CFG_CMA_CS0_SIZE)|\ |
| ORxG_CSNT|ORxG_ACS_DIV2|ORxG_SCY_10_CLK) |
| |
| /* |
| * CS2 enables the Local Bus SDRAM on the CPU Module |
| * |
| * Will leave this unset for the moment, because a) my CPU module has no |
| * SDRAM installed (it is optional); and b) it will require programming |
| * one of the UPMs in SDRAM mode - not a trivial job, and hard to get right |
| * if you can't test it. |
| */ |
| |
| #if 0 |
| /* base address = CFG_CMA_CS2_BASE, 32-bit, no parity, ??? */ |
| #define CFG_BR0_PRELIM ((CFG_CMA_CS2_BASE&BRx_BA_MSK)|BRx_PS_32|/*???*/|BRx_V) |
| /* mask size CFG_CMA_CS2_SIZE, CS time normal, ??? */ |
| #define CFG_OR2_PRELIM ((~(CFG_CMA_CS2_SIZE-1)&ORx_AM_MSK)|/*???*/) |
| #endif |
| |
| #endif |
| |
| /* |
| * Internal Definitions |
| * |
| * Boot Flags |
| */ |
| #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH*/ |
| #define BOOTFLAG_WARM 0x02 /* Software reboot */ |
| |
| #endif /* __CONFIG_H */ |