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Diffstat (limited to 'include/configs/RRvision.h')
| -rw-r--r-- | include/configs/RRvision.h | 467 |
1 files changed, 467 insertions, 0 deletions
diff --git a/include/configs/RRvision.h b/include/configs/RRvision.h new file mode 100644 index 0000000..ad36c95 --- /dev/null +++ b/include/configs/RRvision.h @@ -0,0 +1,467 @@ +/* + * (C) Copyright 2000, 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 + +/* + * High Level Configuration Options + * (easy to change) + */ + +#define CONFIG_MPC823 1 /* This is a MPC823 CPU */ +#define CONFIG_RRVISION 1 /* ...on a RRvision board */ + +#define CONFIG_8xx_GCLK_FREQ 64000000 + +#define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */ +#undef CONFIG_8xx_CONS_SMC2 +#undef CONFIG_8xx_CONS_NONE +#define CONFIG_BAUDRATE 115200 /* console baudrate = 115kbps */ +#if 0 +#define CONFIG_BOOTDELAY -1 /* autoboot disabled */ +#else +#define CONFIG_BOOTDELAY 3 /* autoboot after 5 seconds */ +#endif + +#define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */ + +#define CONFIG_PREBOOT "setenv stdout serial" + +#undef CONFIG_BOOTARGS +#define CONFIG_ETHADDR 00:50:C2:00:E0:70 +#define CONFIG_OVERWRITE_ETHADDR_ONCE 1 +#define CONFIG_IPADDR 10.0.0.5 +#define CONFIG_SERVERIP 10.0.0.2 +#define CONFIG_NETMASK 255.0.0.0 +#define CONFIG_ROOTPATH /opt/eldk/ppc_8xx +#define CONFIG_BOOTCOMMAND "run flash_self" + +#define CONFIG_EXTRA_ENV_SETTINGS \ + "netdev=eth0\0" \ + "ramargs=setenv bootargs root=/dev/ram rw\0" \ + "nfsargs=setenv bootargs root=/dev/nfs rw " \ + "nfsroot=$(serverip):$(rootpath)\0" \ + "addip=setenv bootargs $(bootargs) ip=$(ipaddr):$(serverip)" \ + ":$(gatewayip):$(netmask):$(hostname):$(netdev):off\0" \ + "addtty=setenv bootargs $(bootargs) console=ttyS0,$(baudrate)\0"\ + "load=tftp 100000 /tftpboot/u-boot.bin\0" \ + "update=protect off 1:0-8;era 1:0-8;" \ + "cp.b 100000 40000000 $(filesize);" \ + "setenv filesize;saveenv\0" \ + "kernel_addr=40040000\0" \ + "ramdisk_addr=40100000\0" \ + "kernel_img=/tftpboot/pImage\0" \ + "kernel_load=tftp 200000 $(kernel_img)\0" \ + "net_nfs=run kernel_load nfsargs addip addtty;bootm\0" \ + "flash_nfs=run nfsargs addip addtty;bootm $(kernel_addr)\0" \ + "flash_self=run ramargs addip addtty;" \ + "bootm $(kernel_addr) $(ramdisk_addr)\0" + + +#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 */ + +#undef CONFIG_STATUS_LED /* disturbs display */ + +#undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */ + +#define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE) + +#define CONFIG_MAC_PARTITION +#define CONFIG_DOS_PARTITION + +#define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */ + + +#if 1 +#define CONFIG_VIDEO 1 /* To enable the video initialization */ + +/* Video related */ +#define CONFIG_VIDEO_LOGO 1 /* Show the logo */ +#define CONFIG_VIDEO_ENCODER_AD7176 1 /* Enable this encoder */ +#define CONFIG_VIDEO_ENCODER_AD7176_ADDR 0x2A /* ALSB to ground */ +#endif + +/* enable I2C and select the hardware/software driver */ +#undef CONFIG_HARD_I2C /* I2C with hardware support */ +#define CONFIG_SOFT_I2C /* I2C bit-banged */ + +# define CFG_I2C_SPEED 50000 /* 50 kHz is supposed to work */ +# define CFG_I2C_SLAVE 0xFE + +#ifdef CONFIG_SOFT_I2C +/* + * 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(1) /* 1/4 I2C clock duration */ +#endif /* CONFIG_SOFT_I2C */ + + + +#define CONFIG_COMMANDS ( ( CONFIG_CMD_DFL | \ + CFG_CMD_DHCP | \ + CFG_CMD_I2C | \ + CFG_CMD_IDE | \ + CFG_CMD_DATE ) & \ + ~( CFG_CMD_PCMCIA | \ + CFG_CMD_IDE ) ) + +/* 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 0x100000 /* 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 0xFFF00000 + +/*----------------------------------------------------------------------- + * 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 0x40000000 +#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ +#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 71 /* max number of sectors on one chip */ + +/* timeout values are in ticks = ms */ +#define CFG_FLASH_ERASE_TOUT (120*CFG_HZ) /* Timeout for Flash Erase */ +#define CFG_FLASH_WRITE_TOUT (1 * CFG_HZ) /* Timeout for Flash Write */ + +#define CFG_ENV_IS_IN_FLASH 1 +#define CFG_ENV_OFFSET 0x8000 /* Offset of Environment Sector */ +#define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */ + +/* Address and size of Redundant Environment Sector */ +#define CFG_ENV_OFFSET_REDUND (CFG_ENV_OFFSET+CFG_ENV_SIZE) +#define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE) + +/*----------------------------------------------------------------------- + * 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 + */ +#ifndef CONFIG_CAN_DRIVER +#define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01) +#else /* we must activate GPL5 in the SIUMCR for CAN */ +#define CFG_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01) +#endif /* CONFIG_CAN_DRIVER */ + +/*----------------------------------------------------------------------- + * 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 | PISCR_PTE) + +/*----------------------------------------------------------------------- + * 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 64 MHz, we use a 16 MHz clock * 4 */ +#define CFG_PLPRCR ( (4-1)<<PLPRCR_MF_SHIFT | 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_RTSEL | SCCR_RTDIV | \ + SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \ + SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \ + SCCR_DFALCD00) + +/*----------------------------------------------------------------------- + * 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_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */ + +#undef CONFIG_IDE_8xx_DIRECT /* 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 + +/*----------------------------------------------------------------------- + * + *----------------------------------------------------------------------- + * + */ +/*#define CFG_DER 0x2002000F*/ +#define CFG_DER 0 + +/* + * Init Memory Controller: + * + * BR0/1 (FLASH) + */ + +#define FLASH_BASE0_PRELIM 0x40000000 /* 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 0x80000000 /* OR addr mask */ +#define CFG_PRELIM_OR_AM 0xE0000000 /* OR addr mask */ + +/* + * FLASH timing: + */ +/* 66 MHz CPU - 66 MHz bus: ACS = 00, TRLX = 1, CSNT = 1, SCY = 3, EHTR = 1 */ +#define CFG_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_TRLX | OR_CSNT_SAM | \ + OR_SCY_3_CLK | OR_EHTR | OR_BI) + +#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_BASE0_PRELIM & BR_BA_MSK) | BR_V ) + +/* + * BR2/3 and OR2/3 (SDRAM) + * + */ +#define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */ +#define SDRAM_BASE3_PRELIM 0x20000000 /* SDRAM bank #1 */ +#define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */ + +/* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */ +#define CFG_OR_TIMING_SDRAM 0x00000A00 + +#define CFG_OR2_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_SDRAM ) +#define CFG_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V ) + +#ifndef CONFIG_CAN_DRIVER +#define CFG_OR3_PRELIM CFG_OR2_PRELIM +#define CFG_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V ) +#else /* CAN uses CS3#, so we can have only one SDRAM bank anyway */ +#define CFG_CAN_BASE 0xC0000000 /* CAN mapped at 0xC0000000 */ +#define CFG_CAN_OR_AM 0xFFFF8000 /* 32 kB address mask */ +#define CFG_OR3_CAN (CFG_CAN_OR_AM | OR_G5LA | OR_BI) +#define CFG_BR3_CAN ((CFG_CAN_BASE & BR_BA_MSK) | \ + BR_PS_8 | BR_MS_UPMB | BR_V ) +#endif /* CONFIG_CAN_DRIVER */ + +/* + * Memory Periodic Timer Prescaler + * + * The Divider for PTA (refresh timer) configuration is based on an + * example SDRAM configuration (64 MBit, one bank). The adjustment to + * the number of chip selects (NCS) and the actually needed refresh + * rate is done by setting MPTPR. + * + * PTA is calculated from + * PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS) + * + * gclk CPU clock (not bus clock!) + * Trefresh Refresh cycle * 4 (four word bursts used) + * + * 4096 Rows from SDRAM example configuration + * 1000 factor s -> ms + * 32 PTP (pre-divider from MPTPR) from SDRAM example configuration + * 4 Number of refresh cycles per period + * 64 Refresh cycle in ms per number of rows + * -------------------------------------------- + * Divider = 4096 * 32 * 1000 / (4 * 64) = 512000 + * + * 50 MHz => 50.000.000 / Divider = 98 + * 66 Mhz => 66.000.000 / Divider = 129 + * 80 Mhz => 80.000.000 / Divider = 156 + */ +#define CFG_MAMR_PTA 129 + +/* + * For 16 MBit, refresh rates could be 31.3 us + * (= 64 ms / 2K = 125 / quad bursts). + * For a simpler initialization, 15.6 us is used instead. + * + * #define CFG_MPTPR_2BK_2K MPTPR_PTP_DIV32 for 2 banks + * #define CFG_MPTPR_1BK_2K MPTPR_PTP_DIV64 for 1 bank + */ +#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 */ |