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Diffstat (limited to 'include/configs/MHPC.h')
| -rw-r--r-- | include/configs/MHPC.h | 371 |
1 files changed, 371 insertions, 0 deletions
diff --git a/include/configs/MHPC.h b/include/configs/MHPC.h new file mode 100644 index 0000000..78caafd --- /dev/null +++ b/include/configs/MHPC.h @@ -0,0 +1,371 @@ +/* + * (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 */ |