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Diffstat (limited to 'include/configs/RBC823.h')
| -rw-r--r-- | include/configs/RBC823.h | 418 |
1 files changed, 418 insertions, 0 deletions
diff --git a/include/configs/RBC823.h b/include/configs/RBC823.h new file mode 100644 index 0000000..08eed27 --- /dev/null +++ b/include/configs/RBC823.h @@ -0,0 +1,418 @@ +/* + * (C) Copyright 2000, 2001 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * Modified by Udi Finkelstein udif@udif.com + * For the RBC823 board. + * + * 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_RBC823 1 /* ...on a RBC823 module */ + + +#if 0 +#define DEBUG 1 +#define CONFIG_LAST_STAGE_INIT +#endif +#define CONFIG_KEYBOARD 1 /* This board has a custom keybpard */ +#define CONFIG_LCD 1 /* use LCD controller ... */ +#define CONFIG_HITACHI_SP19X001_Z1A /* The LCD type we use */ + +#define CONFIG_8xx_CONS_SMC2 1 /* Console is on SMC2 */ +#undef CONFIG_8xx_CONS_SMC1 +#undef CONFIG_8xx_CONS_NONE +#define CONFIG_BAUDRATE 115200 /* console baudrate = 115kbps */ +#if 1 +#define CONFIG_BOOTDELAY -1 /* autoboot disabled */ +#else +#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ +#endif + +#define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */ +#define CONFIG_8xx_GCLK_FREQ 48000000L + +#define CONFIG_PREBOOT "echo;echo Type \"run flash_nfs\" to mount root filesystem over NFS;echo" + +#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_STATUS_LED 1 /* Status LED enabled */ + +#undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */ + +#define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE) + +#undef CONFIG_MAC_PARTITION +#define CONFIG_DOS_PARTITION + +#undef CONFIG_RTC_MPC8xx /* don't use internal RTC of MPC8xx (no battery) */ + +#define CONFIG_HARD_I2C +#define CFG_I2C_SPEED 40000 +#define CFG_I2C_SLAVE 0xfe +#define CFG_I2C_EEPROM_ADDR 0x50 +#define CFG_I2C_EEPROM_ADDR_LEN 1 +#define CFG_EEPROM_WRITE_BITS 4 +#define CFG_EEPROM_WRITE_DELAY_MS 10 + +#define CONFIG_COMMANDS ( CFG_CMD_ALL & \ + ~CFG_CMD_PCMCIA & \ + ~CFG_CMD_IDE & \ + ~CFG_CMD_PCI & \ + ~CFG_CMD_FDC & \ + ~CFG_CMD_HWFLOW & \ + ~CFG_CMD_FDOS & \ + ~CFG_CMD_SCSI & \ + ~CFG_CMD_SETGETDCR & \ + ~CFG_CMD_BSP & \ + ~CFG_CMD_USB & \ + ~CFG_CMD_VFD & \ + ~CFG_CMD_SPI & \ + /* ~CFG_CMD_I2C & */ \ + ~CFG_CMD_IRQ & \ + ~CFG_CMD_NAND & \ + ~CFG_CMD_JFFS2 & \ + ~CFG_CMD_DTT & \ + ~CFG_CMD_MII & \ + /*~CFG_CMD_NET &*/ \ + /*~CFG_CMD_ELF &*/ \ + /* ~CFG_CMD_EEPROM & */ \ + ~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 0x0400000 /* memtest works on */ +#define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */ + +#define CFG_LOAD_ADDR 0x0100000 /* 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. + */ +/*----------------------------------------------------------------------- + * 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 0xFFF00000 +#if defined(DEBUG) +#define CFG_MONITOR_LEN (384 << 10) /* Reserve 256 kB for Monitor */ +#else +#define CFG_MONITOR_LEN (384 << 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 0x10000 /* Offset of Environment Sector */ +#define CFG_ENV_SIZE 0x10000 /* 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) +*/ +#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWRI | SYPCR_SWP) +#endif + +/*----------------------------------------------------------------------- + * SIUMCR - SIU Module Configuration 11-6 + *----------------------------------------------------------------------- + * PCMCIA config., multi-function pin tri-state + */ +#define CFG_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC00 | SIUMCR_FRC) + +/*----------------------------------------------------------------------- + * 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 + *----------------------------------------------------------------------- + */ +#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 + * + */ + +/* + * for 48 MHz, we use a 4 MHz clock * 12 + */ +#define CFG_PLPRCR \ + ( (12-1)<<PLPRCR_MF_SHIFT | PLPRCR_TEXPS | PLPRCR_LOLRE ) + +/*----------------------------------------------------------------------- + * 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_RTDIV | SCCR_RTSEL | SCCR_CRQEN | \ + SCCR_PRQEN | SCCR_EBDF00 | \ + SCCR_COM01 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \ + SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD001 | \ + SCCR_DFALCD00) + +#ifdef NOT_USED +/*----------------------------------------------------------------------- + * PCMCIA stuff + *----------------------------------------------------------------------- + * + */ +#define CFG_PCMCIA_MEM_ADDR (0xE0000000) +#define CFG_PCMCIA_MEM_SIZE ( 64 << 20 ) +#define CFG_PCMCIA_DMA_ADDR (0xE4000000) +#define CFG_PCMCIA_DMA_SIZE ( 64 << 20 ) +#define CFG_PCMCIA_ATTRB_ADDR (0xE8000000) +#define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 ) +#define CFG_PCMCIA_IO_ADDR (0xEC000000) +#define CFG_PCMCIA_IO_SIZE ( 64 << 20 ) + +/*----------------------------------------------------------------------- + * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter) + *----------------------------------------------------------------------- + */ + +#define CONFIG_IDE_PCCARD 1 /* Use IDE with PC Card Adapter */ + +#undef CONFIG_IDE_PCMCIA /* Direct IDE not supported */ +#undef CONFIG_IDE_LED /* LED for ide not supported */ +#undef CONFIG_IDE_RESET /* reset for ide not supported */ + +#define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */ +#define CFG_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */ + +#define CFG_ATA_IDE0_OFFSET 0x0000 + +#define CFG_ATA_BASE_ADDR CFG_PCMCIA_MEM_ADDR + +/* Offset for data I/O */ +#define CFG_ATA_DATA_OFFSET (CFG_PCMCIA_MEM_SIZE + 0x320) + +/* Offset for normal register accesses */ +#define CFG_ATA_REG_OFFSET (2 * CFG_PCMCIA_MEM_SIZE + 0x320) + +/* Offset for alternate registers */ +#define CFG_ATA_ALT_OFFSET 0x0100 + +#endif + +/************************************************************ + * Disk-On-Chip configuration + ************************************************************/ +#define CFG_MAX_DOC_DEVICE 1 /* Max number of DOC devices */ +#define CFG_DOC_SHORT_TIMEOUT +#define CFG_DOC_SUPPORT_2000 +#define CFG_DOC_SUPPORT_MILLENNIUM + +/*----------------------------------------------------------------------- + * + *----------------------------------------------------------------------- + * + */ +/*#define CFG_DER 0x2002000F*/ +#define CFG_DER 0 + +/* + * Init Memory Controller: + * + * BR0/1 and OR0/1 (FLASH) + */ + +#define FLASH_BASE0_PRELIM 0xFFF00000 /* FLASH bank #0 */ +#define FLASH_BASE1_PRELIM 0x04000000 /* D.O.C Millenium */ + +/* 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 0xFFF80000 /* OR addr mask */ + +/* FLASH timing: ACS = 00, TRLX = 0, CSNT = 1, SCY = 7, EHTR = 1 */ +#define CFG_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_BI | OR_SCY_7_CLK | OR_EHTR) + +#define CFG_OR_TIMING_MSYS (OR_ACS_DIV1 | OR_BI) + +#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) + +#define CFG_OR1_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_MSYS) +#define CFG_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_MS_UPMB | \ + BR_PS_8 | BR_V) + +/* + * BR4 and OR4 (SDRAM) + * + */ +#define SDRAM_BASE4_PRELIM 0x00000000 /* SDRAM bank #0 */ +#define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */ + +/* + * SDRAM timing: + */ +#define CFG_OR_TIMING_SDRAM (OR_CSNT_SAM) + +#define CFG_OR4_PRELIM (~(SDRAM_MAX_SIZE-1) | CFG_OR_TIMING_SDRAM ) +#define CFG_BR4_PRELIM ((SDRAM_BASE4_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V ) + +/* + * Memory Periodic Timer Prescaler + */ + +/* periodic timer for refresh */ +#define CFG_MAMR_PTA 187 /* start with divider for 48 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 */ |