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/*
**=====================================================================
**
** Copyright (C) 2000, 2001, 2002, 2003
** The LEOX team <team@leox.org>, http://www.leox.org
**
** LEOX.org is about the development of free hardware and software resources
** for system on chip.
**
** Description: U-Boot port on the LEOX's ELPT860 CPU board
** ~~~~~~~~~~~
**
**=====================================================================
**
** 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
/*
* High Level Configuration Options
* (easy to change)
*/
#define CONFIG_MPC860 1 /* It's a MPC860, in fact a 860T CPU */
#define CONFIG_MPC860T 1
#define CONFIG_ELPT860 1 /* ...on a LEOX's ELPT860 CPU board */
#define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
#undef CONFIG_8xx_CONS_SMC2
#undef CONFIG_8xx_CONS_NONE
#define CONFIG_CLOCKS_IN_MHZ 1 /* Clock passed to Linux (<2.4.5) in MHz */
#define CONFIG_8xx_GCLK_FREQ 50000000 /* MPC860T runs at 50MHz */
#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
#define CONFIG_BOARD_EARLY_INIT_F 1 /* Call board_early_init_f */
/* BOOT arguments */
#define CONFIG_PREBOOT \
"echo;" \
"echo Type \"run nfsboot\" to mount root filesystem over NFS;" \
"echo"
#undef CONFIG_BOOTARGS
#define CONFIG_EXTRA_ENV_SETTINGS \
"ramargs=setenv bootargs root=/dev/ram rw\0" \
"rootargs=setenv rootpath /tftp/${ipaddr}\0" \
"nfsargs=setenv bootargs root=/dev/nfs rw " \
"nfsroot=${serverip}:${rootpath}\0" \
"addip=setenv bootargs ${bootargs} " \
"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
":${hostname}:eth0:off panic=1\0" \
"ramboot=tftp 400000 /home/paugaml/pMulti;" \
"run ramargs;bootm\0" \
"nfsboot=tftp 400000 /home/paugaml/uImage;" \
"run rootargs;run nfsargs;run addip;bootm\0" \
""
#define CONFIG_BOOTCOMMAND "run ramboot"
/*
* BOOTP options
*/
#define CONFIG_BOOTP_SUBNETMASK
#define CONFIG_BOOTP_GATEWAY
#define CONFIG_BOOTP_HOSTNAME
#define CONFIG_BOOTP_BOOTPATH
#define CONFIG_BOOTP_BOOTFILESIZE
#undef CONFIG_WATCHDOG /* watchdog disabled */
#undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */
#undef CONFIG_RTC_MPC8xx /* internal RTC MPC8xx unused */
#define CONFIG_RTC_DS164x 1 /* RTC is a Dallas DS1646 */
#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
#undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
/*
* Command line configuration.
*/
#include <config_cmd_default.h>
#define CONFIG_CMD_ASKENV
#define CONFIG_CMD_DATE
/*
* Miscellaneous configurable options
*/
#define CFG_LONGHELP /* undef to save memory */
#define CFG_PROMPT "LEOX_elpt860: " /* Monitor Command Prompt */
#if defined(CONFIG_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 0x00C00000 /* 4 ... 12 MB in DRAM */
#define CFG_LOAD_ADDR 0x00100000 /* default load address */
#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
/*
* Environment Variables and Storages
*/
#define CONFIG_ENV_OVERWRITE 1 /* Allow Overwrite of serial# & ethaddr */
#undef CONFIG_ENV_IS_IN_NVRAM /* Environment is in NVRAM */
#undef CONFIG_ENV_IS_IN_EEPROM /* Environment is in I2C EEPROM */
#define CONFIG_ENV_IS_IN_FLASH 1 /* Environment is in FLASH */
#define CONFIG_BAUDRATE 9600 /* console baudrate = 9600 bps */
#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
#define CONFIG_ETHADDR 00:01:77:00:60:40
#define CONFIG_IPADDR 192.168.0.30
#define CONFIG_NETMASK 255.255.255.0
#define CONFIG_SERVERIP 192.168.0.1
#define CONFIG_GATEWAYIP 192.168.0.1
/*
* 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 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 0x00000000
#define CFG_FLASH_BASE 0x02000000
#define CFG_NVRAM_BASE 0x03000000
#if defined(CONFIG_ENV_IS_IN_FLASH)
# if defined(DEBUG)
# define CFG_MONITOR_LEN (320 << 10) /* Reserve 320 kB for Monitor */
# else
# define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
# endif
#else
# 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
#endif
#define CFG_MONITOR_BASE CFG_FLASH_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 1 /* max number of memory banks */
#define CFG_MAX_FLASH_SECT 8 /* 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) */
#if defined(CONFIG_ENV_IS_IN_FLASH)
# define CONFIG_ENV_OFFSET 0x10000 /* Offset of Environment Sector */
# define CONFIG_ENV_SIZE 0x10000 /* Total Size of Environment Sector */
#endif
/*-----------------------------------------------------------------------
* NVRAM organization
*/
#define CFG_NVRAM_BASE_ADDR CFG_NVRAM_BASE /* Base address of NVRAM area */
#define CFG_NVRAM_SIZE ((128*1024)-8) /* clock regs resident in the */
/* 8 top NVRAM locations */
#if defined(CONFIG_ENV_IS_IN_NVRAM)
# define CONFIG_ENV_ADDR CFG_NVRAM_BASE /* Base address of NVRAM area */
# define CONFIG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
#endif
/*-----------------------------------------------------------------------
* Cache Configuration
*/
#define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
#if defined(CONFIG_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
/*-----------------------------------------------------------------------
* SUMCR - SIU Module Configuration 11-6
*-----------------------------------------------------------------------
* PCMCIA config., multi-function pin tri-state
*/
#define CFG_SIUMCR (SIUMCR_DBGC11)
/*-----------------------------------------------------------------------
* TBSCR - Time Base Status and Control 11-26
*-----------------------------------------------------------------------
* Clear Reference Interrupt Status, Timebase freezing enabled
*/
#define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
/*-----------------------------------------------------------------------
* RTCSC - Real-Time Clock Status and Control Register 11-27
*-----------------------------------------------------------------------
* Once-per-Second Interrupt, Alarm Interrupt, RTC freezing enabled, RTC
* enabled
*/
#define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
/*-----------------------------------------------------------------------
* 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_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
SCCR_DFALCD00)
/*-----------------------------------------------------------------------
* Chip Selects + SDRAM timings + Memory Periodic Timer Prescaler
*-----------------------------------------------------------------------
*
*/
#ifdef DEBUG
# define CFG_DER 0xFFE7400F /* Debug Enable Register */
#else
# define CFG_DER 0
#endif
/*
* Init Memory Controller:
* ~~~~~~~~~~~~~~~~~~~~~~
*
* BR0 and OR0 (FLASH)
*/
#define FLASH_BASE0_PRELIM CFG_FLASH_BASE /* FLASH bank #0 */
/* used to re-map FLASH both when starting from SRAM or FLASH:
* restrict access enough to keep SRAM working (if any)
* but not too much to meddle with FLASH accesses
*/
#define CFG_PRELIM_OR_AM 0xFF000000 /* 16 MB between each CSx */
/* FLASH timing: ACS = 11, TRLX = 0, CSNT = 0, SCY = 8, EHTR = 0 */
#define CFG_OR_TIMING_FLASH (OR_ACS_DIV2 | OR_BI | OR_SCY_8_CLK)
#define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
#define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_PS_8 | BR_V )
/*
* BR1 and OR1 (SDRAM)
*
*/
#define SDRAM_BASE1_PRELIM CFG_SDRAM_BASE /* SDRAM bank #0 */
#define SDRAM_MAX_SIZE 0x02000000 /* 32 MB MAX for CS1 */
/* SDRAM timing: */
#define CFG_OR_TIMING_SDRAM 0x00000000
#define CFG_OR1_PRELIM ((2 * CFG_PRELIM_OR_AM) | CFG_OR_TIMING_SDRAM )
#define CFG_BR1_PRELIM ((SDRAM_BASE1_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
/*
* BR2 and OR2 (NVRAM)
*
*/
#define NVRAM_BASE1_PRELIM CFG_NVRAM_BASE /* NVRAM bank #0 */
#define NVRAM_MAX_SIZE 0x00020000 /* 128 KB MAX for CS2 */
#define CFG_OR2_PRELIM 0xFFF80160
#define CFG_BR2_PRELIM ((NVRAM_BASE1_PRELIM & BR_BA_MSK) | BR_PS_8 | BR_V )
/*
* Memory Periodic Timer Prescaler
*/
/* periodic timer for refresh */
#define CFG_MAMR_PTA 97 /* start with divider for 100 MHz */
/* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */
#define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
#define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
/* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
#define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
#define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
/*
* MAMR settings for SDRAM
*/
/* 8 column SDRAM */
#define CFG_MAMR_8COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
/* 9 column SDRAM */
#define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
/*-----------------------------------------------------------------------
* Internal Definitions
*-----------------------------------------------------------------------
*
*/
/*
* Boot Flags
*/
#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
#define BOOTFLAG_WARM 0x02 /* Software reboot */
#endif /* __CONFIG_H */
|
