/*
* (C) Copyright 2001
* Frank Gottschling, ELTEC Elektronik AG, fgottschling@eltec.de
*
* (C) Copyright 2001
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* Configuation settings for the miniHiPerCam.
*
* -----------------------------------------------------------------
* 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
/*
* High Level Configuration Options
* (easy to change)
*/
#define CONFIG_MPC823 1 /* This is a MPC823 CPU */
#define CONFIG_MHPC 1 /* on a miniHiPerCam */
#define CONFIG_BOARD_PRE_INIT 1 /* do special hardware init. */
#define CONFIG_MISC_INIT_R 1
#define CONFIG_8xx_GCLK_FREQ MPC8XX_SPEED
#undef CONFIG_8xx_CONS_SMC1
#define CONFIG_8xx_CONS_SMC2 1 /* Console is on SMC2 */
#undef CONFIG_8xx_CONS_NONE
#define CONFIG_BAUDRATE 9600
#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
#define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
#define CONFIG_ENV_OVERWRITE 1
#define CONFIG_ETHADDR 00:00:5b:ee:de:ad
#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_LOADS_ECHO 1 /* echo on for serial download */
#undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
#undef CONFIG_WATCHDOG /* watchdog disabled */
#define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
#undef CONFIG_UCODE_PATCH
/* enable I2C and select the hardware/software driver */
#undef CONFIG_HARD_I2C /* I2C with hardware support */
#define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
/*
* 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 CFG_I2C_SPEED 50000
#define CFG_I2C_SLAVE 0xFE
#define CFG_I2C_EEPROM_ADDR 0x50 /* EEPROM X24C04 */
#define CFG_I2C_EEPROM_ADDR_LEN 1 /* bytes of address */
/* mask of address bits that overflow into the "EEPROM chip address" */
#define CFG_I2C_EEPROM_ADDR_OVERFLOW 0x07
#define CFG_EEPROM_PAGE_WRITE_BITS 3
#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10
#define LCD_VIDEO_ADDR (SDRAM_MAX_SIZE-SDRAM_RES_SIZE)
#define LCD_VIDEO_SIZE SDRAM_RES_SIZE /* 2MB */
#define LCD_VIDEO_COLS 640
#define LCD_VIDEO_ROWS 480
#define LCD_VIDEO_FG 255
#define LCD_VIDEO_BG 0
#undef CONFIG_VIDEO /* test only ! s.a devices.c and 8xx */
#define CONFIG_CFB_CONSOLE /* framebuffer console with std input */
#define CONFIG_VIDEO_LOGO
#define VIDEO_KBD_INIT_FCT 0 /* no KBD dev on MHPC - use serial */
#define VIDEO_TSTC_FCT serial_tstc
#define VIDEO_GETC_FCT serial_getc
#define CONFIG_BR0_WORKAROUND 1
#define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \
CFG_CMD_DATE | \
CFG_CMD_EEPROM | \
CFG_CMD_ELF | \
CFG_CMD_I2C | \
CFG_CMD_JFFS2 | \
CFG_CMD_REGINFO )
#define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE)
/* 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 0x0400000 /* memtest works on */
#define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
#define CFG_LOAD_ADDR 0x300000 /* default load address */
#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.
*/
/*-----------------------------------------------------------------------
* Physical memory map
*/
#define CFG_IMMR 0xFFF00000 /* Internal Memory Mapped Register*/
/*-----------------------------------------------------------------------
* 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 0xfe000000
#define CFG_MONITOR_LEN 0x40000 /* Reserve 256 kB for Monitor */
#undef CFG_MONITOR_BASE /* to run U-Boot from RAM */
#define CFG_MONITOR_BASE CFG_FLASH_BASE
#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
#define CFG_JFFS2_FIRST_BANK 0 /* use for JFFS2 */
#define CFG_JFFS2_NUM_BANKS 1 /* one flash only */
/*
* 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 64 /* 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 CFG_MONITOR_LEN /* Offset of Environment */
#define CFG_ENV_SIZE 0x20000 /* Total Size of Environment */
/*-----------------------------------------------------------------------
* 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_SEME)
/*-----------------------------------------------------------------------
* TBSCR - Time Base Status and Control 11-26
*-----------------------------------------------------------------------
* Clear Reference Interrupt Status, Timebase freezing enabled
*/
#define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBE)
/*-----------------------------------------------------------------------
* PISCR - Periodic Interrupt Status and Control 11-31
*-----------------------------------------------------------------------
* Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
*/
#define CFG_PISCR (PISCR_PS | PISCR_PITF | PISCR_PTE)
/*-----------------------------------------------------------------------
* RTCSC - Real-Time Clock Status and Control Register 12-18
*-----------------------------------------------------------------------
*/
#define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
/*-----------------------------------------------------------------------
* 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 MPC8XX_SPEED 50000000L
#define MPC8XX_XIN 5000000L /* ref clk */
#define MPC8XX_FACT (MPC8XX_SPEED/MPC8XX_XIN)
#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_RTDIV | SCCR_RTSEL) /* SCCR_EBDF11 */
#define CFG_SCCR (SCCR_TBS | SCCR_DFLCD001)
/*-----------------------------------------------------------------------
* MAMR settings for SDRAM - 16-14
* => 0xC080200F
*-----------------------------------------------------------------------
* periodic timer for refresh
*/
#define CFG_MAMR_PTA 0xC0
#define CFG_MAMR ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | MAMR_G0CLA_A11 | MAMR_TLFA_MSK)
/*
* BR0 and OR0 (FLASH) used to re-map FLASH
*/
/* allow for max 8 MB of Flash */
#define FLASH_BASE 0xFE000000 /* FLASH bank #0*/
#define FLASH_BASE0_PRELIM 0xFE000000 /* FLASH bank #0*/
#define CFG_REMAP_OR_AM 0xFF800000 /* OR addr mask */
#define CFG_PRELIM_OR_AM 0xFF800000 /* OR addr mask */
#define CFG_OR_TIMING_FLASH (OR_CSNT_SAM | OR_BI | OR_SCY_8_CLK) /* (OR_CSNT_SAM | OR_ACS_DIV2 | OR_BI | OR_SCY_6_CLK)*/
#define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH)
#define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
#define CFG_BR0_PRELIM ((FLASH_BASE & BR_BA_MSK) | BR_PS_16 | BR_MS_GPCM | BR_V )
/*
* BR1 and OR1 (SDRAM)
*/
#define SDRAM_BASE1_PRELIM 0x00000000 /* SDRAM bank #0 */
#define SDRAM_MAX_SIZE 0x01000000 /* max 16 MB */
#define SDRAM_RES_SIZE 0x00200000 /* 2 MB for framebuffer */
/* SDRAM timing: drive GPL5 high on first cycle */
#define CFG_OR_TIMING_SDRAM (OR_G5LS)
#define CFG_OR1_PRELIM ((~(SDRAM_MAX_SIZE)+1)| CFG_OR_TIMING_SDRAM )
#define CFG_BR1_PRELIM ((SDRAM_BASE1_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
/*
* BR2/OR2 - DIMM
*/
#define CFG_OR2 (OR_ACS_DIV4)
#define CFG_BR2 (BR_MS_UPMA)
/*
* BR3/OR3 - DIMM
*/
#define CFG_OR3 (OR_ACS_DIV4)
#define CFG_BR3 (BR_MS_UPMA)
/*
* BR4/OR4
*/
#define CFG_OR4 0
#define CFG_BR4 0
/*
* BR5/OR5
*/
#define CFG_OR5 0
#define CFG_BR5 0
/*
* BR6/OR6
*/
#define CFG_OR6 0
#define CFG_BR6 0
/*
* BR7/OR7
*/
#define CFG_OR7 0
#define CFG_BR7 0
/*-----------------------------------------------------------------------
* Debug Entry Mode
*-----------------------------------------------------------------------
*
*/
#define CFG_DER 0
/*
* Internal Definitions
*
* Boot Flags
*/
#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
#define BOOTFLAG_WARM 0x02 /* Software reboot */
#endif /* __CONFIG_H */
