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u-boot/include/configs/cogent_mpc8260.h
wdenk 0f8c9768ff Initial revision
2002-08-19 11:57:05 +00:00

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/*
* (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 */
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