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/*
* (C) Copyright 2001, 2002
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* 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
*/
/*
* board/config.h - configuration options, board specific
*/
#ifndef __CONFIG_H
#define __CONFIG_H
#include <mpc8xx_irq.h>
# ifdef DEBUG
# warning DEBUG Defined
# endif /* DEBUG */
/*
* High Level Configuration Options
* (easy to change)
*/
#define CONFIG_MPC860 1
#define CONFIG_IAD210 1 /* ...on a IAD210 module */
#define CONFIG_MPC860T 1
#define CONFIG_MPC862 1
#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
#undef CONFIG_8xx_CONS_SMC1
#undef CONFIG_8xx_CONS_SMC2
#define CONFIG_8xx_CONS_SCC2 /* V24 on SCC2 */
#undef CONFIG_8xx_CONS_NONE
#define CONFIG_BAUDRATE 9600
# define MPC8XX_FACT 16
# define CONFIG_8xx_GCLK_FREQ (64000000L) /* define if can't use get_gclk_freq */
# define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
#if 0
# define CONFIG_BOOTDELAY -1 /* autoboot disabled */
#else
# define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
#endif
#define CONFIG_PREBOOT "echo;echo Type \"run flash_nfs\" to mount root filesystem over NFS;echo"
/* using this define saves us updating another source file */
#define CONFIG_BOARD_EARLY_INIT_F 1
#undef CONFIG_BOOTARGS
/* #define CONFIG_BOOTCOMMAND \
"bootp;" \
"setenv bootargs root=/dev/nfs rw nfsroot=$(serverip):$(rootpath) " \
"ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off;" \
"bootm"
*/
#define CONFIG_BOOTCOMMAND \
"setenv bootargs root=/dev/nfs" \
"ip=192.168.28.129:139.10.137.138:192.168.28.1:255.255.255.0:iadlinux002::off; " \
#undef CONFIG_WATCHDOG /* watchdog disabled */
/* #define CONFIG_STATUS_LED 1*/ /* Status LED enabled */
#define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE)
# undef CONFIG_SCC1_ENET /* disable SCC1 ethernet */
# define CONFIG_FEC_ENET 1 /* use FEC ethernet */
# define CFG_DISCOVER_PHY 1
# define CONFIG_FEC_UTOPIA 1
# define CONFIG_ETHADDR 08:00:06:26:A2:6D
# define CONFIG_IPADDR 192.168.28.128
# define CONFIG_SERVERIP 139.10.137.138
# define CFG_DISCOVER_PHY 1
#define CONFIG_MAC_PARTITION
#define CONFIG_DOS_PARTITION
/* enable I2C and select the hardware/software driver */
#undef CONFIG_HARD_I2C /* I2C with hardware support */
#define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
# define CFG_I2C_SPEED 50000
# define CFG_I2C_SLAVE 0xDD
# define CFG_I2C_EEPROM_ADDR 0x50
/*
* Software (bit-bang) I2C driver configuration
*/
#define PB_SCL 0x00000020 /* PB 26 */
#define PB_SDA 0x00000010 /* PB 27 */
#define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL)
#define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA)
#define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA)
#define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
#define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \
else immr->im_cpm.cp_pbdat &= ~PB_SDA
#define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \
else immr->im_cpm.cp_pbdat &= ~PB_SCL
#define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
#define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
#define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \
CFG_CMD_ASKENV | \
CFG_CMD_DHCP | \
CFG_CMD_DATE )
/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
#include <cmd_confdefs.h>
/*
* 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 0x0100000 /* memtest works on */
#define CFG_MEMTEST_END 0x0400000 /* 1 ... 4 MB in DRAM */
#define CFG_LOAD_ADDR 0x00100000
#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
/*
* 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 0xFFF00000
#define CFG_IMMR_SIZE ((uint)(64 * 1024))
/*-----------------------------------------------------------------------
* 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 0x08000000
#define CFG_FLASH_SIZE ((uint)(4 * 1024 * 1024)) /* max 16Mbyte */
#define CFG_RESET_ADDRESS 0xFFF00100
#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
# 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 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_OFFSET 0x8000
#define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
/*-----------------------------------------------------------------------
* 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
/*-----------------------------------------------------------------------
* SIUMCR - SIU Module Configuration 11-6
*-----------------------------------------------------------------------
* PCMCIA config., multi-function pin tri-state
*/
#define CFG_SIUMCR (SIUMCR_DBGC11 | 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
*-----------------------------------------------------------------------
* set the PLL, the low-power modes and the reset control (15-29)
*/
#define CFG_PLPRCR (((MPC8XX_FACT-1) << PLPRCR_MF_SHIFT) | \
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 )
/*-----------------------------------------------------------------------
* RCCR - RISC Controller Configuration Register 19-4
*-----------------------------------------------------------------------
*/
/* +0x09C4 => DRQP = 10 (IDMA requests have lowest priority) */
#define CFG_RCCR 0x0020
/*-----------------------------------------------------------------------
* PCMCIA stuff
*-----------------------------------------------------------------------
*/
#define PCMCIA_MEM_ADDR ((uint)0xff020000)
#define PCMCIA_MEM_SIZE ((uint)(64 * 1024))
/*-----------------------------------------------------------------------
*
*-----------------------------------------------------------------------
*
*/
#define CFG_DER 0
/* Because of the way the 860 starts up and assigns CS0 the
* entire address space, we have to set the memory controller
* differently. Normally, you write the option register
* first, and then enable the chip select by writing the
* base register. For CS0, you must write the base register
* first, followed by the option register.
*/
/*
* 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_REMAP_OR_AM 0xF8000000 /* OR addr mask */
#define CFG_PRELIM_OR_AM 0xF8000000 /* OR addr mask */
/* FLASH timing:
TRLX = 0, CSNT = 1, SCY = 3, EHTR = 1 */
#define CFG_OR_TIMING_FLASH (OR_CSNT_SAM | OR_BI | \
OR_SCY_3_CLK | OR_EHTR)
#define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
#define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
/*
* BR2/3 and OR2/3 (SDRAM)
*
*/
#define SDRAM_BASE_PRELIM 0x00000000 /* SDRAM bank #0 */
#define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */
/* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
#define CFG_OR2_PRELIM (CFG_PRELIM_OR_AM | OR_CSNT_SAM | OR_BI | OR_ACS_DIV4)
#define CFG_BR2_PRELIM ((SDRAM_BASE_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
#define CFG_BR1_PRELIM ((SDRAM_BASE1_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V)
/*
* Memory Periodic Timer Prescaler
*/
/* periodic timer for refresh */
#define CFG_MAMR_PTA 124 /* start with divider for 64 MHz */
/* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */
#define CFG_MPTPR MPTPR_PTP_DIV32 /* setting for 1 bank */
/*
* MAMR settings for SDRAM
*/
#define CFG_MAMR ((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_8X)
/*
* Internal Definitions
*
* Boot Flags
*/
#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
#define BOOTFLAG_WARM 0x02 /* Software reboot */
#ifdef CONFIG_MPC860T
/* Interrupt level assignments.
*/
#define FEC_INTERRUPT SIU_LEVEL1 /* FEC interrupt */
#endif /* CONFIG_MPC860T */
#endif /* __CONFIG_H */
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