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Diffstat (limited to 'include/configs/IP860.h')
| -rw-r--r-- | include/configs/IP860.h | 459 |
1 files changed, 459 insertions, 0 deletions
diff --git a/include/configs/IP860.h b/include/configs/IP860.h new file mode 100644 index 0000000..6fa2d19 --- /dev/null +++ b/include/configs/IP860.h @@ -0,0 +1,459 @@ +/* + * (C) Copyright 2000 + * 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_MPC860 1 /* This is a MPC860 CPU */ +#define CONFIG_IP860 1 /* ...on a IP860 board */ + +#define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */ +#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_PREBOOT "echo;echo Type \"run flash_nfs\" to mount root filesystem over NFS;echo" \ +"\0load=tftp \"/tftpboot/u-boot.bin\"\0update=protect off 1:0;era 1:0;cp.b 100000 10000000 $(filesize)\0" + +#define CONFIG_ETHADDR 00:30:bf:01:02:d2 +#define CONFIG_IPADDR 10.0.0.5 +#define CONFIG_SERVERIP 10.0.0.2 + +#undef CONFIG_BOOTARGS +#define CONFIG_BOOTCOMMAND \ + "bootp; " \ + "setenv bootargs root=/dev/nfs rw nfsroot=$(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 */ + + +/* 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 X24C16 */ +# 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 4 +#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 /* takes up to 10 msec */ + +#define CONFIG_COMMANDS (CONFIG_CMD_DFL | \ + CFG_CMD_BEDBUG | \ + CFG_CMD_I2C | \ + CFG_CMD_EEPROM) + +#define CONFIG_BOOTP_MASK CONFIG_BOOTP_DEFAULT + +/*----------------------------------------------------------------------*/ + +/* 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 0x00100000 /* memtest works on */ +#define CFG_MEMTEST_END 0x00F00000 /* 1 ... 15MB in DRAM */ + +#define CFG_LOAD_ADDR 0x00100000 /* default load address */ + +#define CFG_PIO_MODE 0 /* IDE interface in PIO Mode 0 */ + +#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 0xF1000000 /* Non-standard value!! */ + +/*----------------------------------------------------------------------- + * 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 0x10000000 +#ifdef DEBUG +#define CFG_MONITOR_LEN (512 << 10) /* Reserve 512 kB for Monitor */ +#else +#if 0 /* need more space for I2C tests */ +#define CFG_MONITOR_LEN (128 << 10) /* Reserve 128 kB for Monitor */ +#else +#define CFG_MONITOR_LEN (256 << 10) +#endif +#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 124 /* 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) */ + +#undef CFG_ENV_IS_IN_FLASH +#undef CFG_ENV_IS_IN_NVRAM +#undef CFG_ENV_IS_IN_NVRAM +#undef DEBUG_I2C +#define CFG_ENV_IS_IN_EEPROM + +#ifdef CFG_ENV_IS_IN_NVRAM +#define CFG_ENV_ADDR 0x20000000 /* use SRAM */ +#define CFG_ENV_SIZE (16<<10) /* use 16 kB */ +#endif /* CFG_ENV_IS_IN_NVRAM */ + +#ifdef CFG_ENV_IS_IN_EEPROM +#define CFG_ENV_OFFSET 512 /* Leave 512 bytes free for other data */ +#define CFG_ENV_SIZE 1536 /* Use remaining space */ +#endif /* CFG_ENV_IS_IN_EEPROM */ + +/*----------------------------------------------------------------------- + * 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 + * +0x0004 + */ +#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 + *----------------------------------------------------------------------- + * +0x0000 => 0x80600800 + */ +#define CFG_SIUMCR (SIUMCR_EARB | SIUMCR_EARP0 | \ + SIUMCR_DBGC11 | SIUMCR_MLRC10) + +/*----------------------------------------------------------------------- + * Clock Setting - the IP860 has no 32kHz clock, so automatic detection fails + *----------------------------------------------------------------------- + */ +#define CONFIG_8xx_GCLK_FREQ 50000000 + +/*----------------------------------------------------------------------- + * TBSCR - Time Base Status and Control 11-26 + *----------------------------------------------------------------------- + * Clear Reference Interrupt Status, Timebase freezing enabled + * +0x0200 => 0x00C2 + */ +#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 + * +0x0240 => 0x0082 + */ +#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, set PLL multiplication factor ! + */ +/* +0x0286 => was: 0x0000D000 */ +#define CFG_PLPRCR \ + ( PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST | \ + /*PLPRCR_CSRC|*/ PLPRCR_LPM_NORMAL | \ + PLPRCR_CSR | PLPRCR_LOLRE /*|PLPRCR_FIOPD*/ \ + ) + +/*----------------------------------------------------------------------- + * 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_COM00 | SCCR_TBS | \ + SCCR_RTDIV | SCCR_RTSEL | \ + /*SCCR_CRQEN|*/ /*SCCR_PRQEN|*/ \ + SCCR_EBDF00 | SCCR_DFSYNC00 | \ + SCCR_DFBRG00 | SCCR_DFNL000 | \ + SCCR_DFNH000) + +/*----------------------------------------------------------------------- + * RTCSC - Real-Time Clock Status and Control Register 11-27 + *----------------------------------------------------------------------- + */ +/* +0x0220 => 0x00C3 */ +#define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE) + + +/*----------------------------------------------------------------------- + * RCCR - RISC Controller Configuration Register 19-4 + *----------------------------------------------------------------------- + */ +/* +0x09C4 => TIMEP=1 */ +#define CFG_RCCR 0x0100 + +/*----------------------------------------------------------------------- + * RMDS - RISC Microcode Development Support Control Register + *----------------------------------------------------------------------- + */ +#define CFG_RMDS 0 + +/*----------------------------------------------------------------------- + * DER - Debug Event Register + *----------------------------------------------------------------------- + * + */ +/*#define CFG_DER 0x2002000F*/ +#define CFG_DER 0 + +/* + * Init Memory Controller: + */ + +/* + * MAMR settings for SDRAM - 16-14 + * => 0xC3804114 + */ + +/* periodic timer for refresh */ +#define CFG_MAMR_PTA 0xC3 + +#define CFG_MAMR ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \ + MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \ + MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X) +/* + * BR1 and OR1 (FLASH) + */ +#define FLASH_BASE 0x10000000 /* FLASH bank #0 */ + +/* used to re-map FLASH + * restrict access enough to keep SRAM working (if any) + * but not too much to meddle with FLASH accesses + */ +/* allow for max 8 MB of Flash */ +#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_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) +/* 16 bit, bank valid */ +#define CFG_BR0_PRELIM ((FLASH_BASE & BR_BA_MSK) | BR_PS_32 | BR_V ) + +#define CFG_OR1_PRELIM CFG_OR0_PRELIM +#define CFG_BR1_PRELIM CFG_BR0_PRELIM + +/* + * BR2/OR2 - SDRAM + */ +#define SDRAM_BASE 0x00000000 /* SDRAM bank */ +#define SDRAM_PRELIM_OR_AM 0xF8000000 /* map max. 128 MB */ +#define SDRAM_TIMING 0x00000A00 /* SDRAM-Timing */ + +#define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB SDRAM */ + +#define CFG_OR2 (SDRAM_PRELIM_OR_AM | SDRAM_TIMING ) +#define CFG_BR2 ((SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V ) + +/* + * BR3/OR3 - SRAM (16 bit) + */ +#define SRAM_BASE 0x20000000 +#define CFG_OR3 0xFFF00130 /* BI/SCY = 5/TRLX (internal) */ +#define CFG_BR3 ((SRAM_BASE & BR_BA_MSK) | BR_PS_16 | BR_V) +#define SRAM_SIZE (1 + (~(CFG_OR3 & BR_BA_MSK))) +#define CFG_OR3_PRELIM CFG_OR3 /* Make sure to map early */ +#define CFG_BR3_PRELIM CFG_BR3 /* in case it's used for ENV */ + +/* + * BR4/OR4 - Board Control & Status (8 bit) + */ +#define BCSR_BASE 0xFC000000 +#define CFG_OR4 0xFFFF0120 /* BI (internal) */ +#define CFG_BR4 ((BCSR_BASE & BR_BA_MSK) | BR_PS_8 | BR_V) + +/* + * BR5/OR5 - IP Slot A/B (16 bit) + */ +#define IP_SLOT_BASE 0x40000000 +#define CFG_OR5 0xFE00010C /* SETA/TRLX/BI/ SCY=0 (external) */ +#define CFG_BR5 ((IP_SLOT_BASE & BR_BA_MSK) | BR_PS_16 | BR_V) + +/* + * BR6/OR6 - VME STD (16 bit) + */ +#define VME_STD_BASE 0xFE000000 +#define CFG_OR6 0xFF00010C /* SETA/TRLX/BI/SCY=0 (external) */ +#define CFG_BR6 ((VME_STD_BASE & BR_BA_MSK) | BR_PS_16 | BR_V) + +/* + * BR7/OR7 - SHORT I/O + RTC + IACK (16 bit) + */ +#define VME_SHORT_BASE 0xFF000000 +#define CFG_OR7 0xFF00010C /* SETA/TRLX/BI/ SCY=0 (external) */ +#define CFG_BR7 ((VME_SHORT_BASE & BR_BA_MSK) | BR_PS_16 | BR_V) + +/*----------------------------------------------------------------------- + * Board Control and Status Region: + *----------------------------------------------------------------------- + */ +#ifndef __ASSEMBLY__ +typedef struct ip860_bcsr_s { + unsigned char shmem_addr; /* +00 shared memory address register */ + unsigned char reserved0; + unsigned char mbox_addr; /* +02 mailbox address register */ + unsigned char reserved1; + unsigned char vme_int_mask; /* +04 VME Bus interrupt mask register */ + unsigned char reserved2; + unsigned char vme_int_pend; /* +06 VME interrupt pending register */ + unsigned char reserved3; + unsigned char bd_int_mask; /* +08 board interrupt mask register */ + unsigned char reserved4; + unsigned char bd_int_pend; /* +0A board interrupt pending register */ + unsigned char reserved5; + unsigned char bd_ctrl; /* +0C board control register */ + unsigned char reserved6; + unsigned char bd_status; /* +0E board status register */ + unsigned char reserved7; + unsigned char vme_irq; /* +10 VME interrupt request register */ + unsigned char reserved8; + unsigned char vme_ivec; /* +12 VME interrupt vector register */ + unsigned char reserved9; + unsigned char cli_mbox; /* +14 clear mailbox irq */ + unsigned char reservedA; + unsigned char rtc; /* +16 RTC control register */ + unsigned char reservedB; + unsigned char mbox_data; /* +18 mailbox read/write register */ + unsigned char reservedC; + unsigned char wd_trigger; /* +1A Watchdog trigger register */ + unsigned char reservedD; + unsigned char rmw_req; /* +1C RMW request register */ +} ip860_bcsr_t; +#endif /* __ASSEMBLY__ */ + +/*----------------------------------------------------------------------- + * Board Control Register: bd_ctrl (Offset 0x0C) + *----------------------------------------------------------------------- + */ +#define BD_CTRL_IPLSE 0x80 /* IP Slot Long Select Enable */ +#define BD_CTRL_WDOGE 0x40 /* Watchdog Enable */ +#define BD_CTRL_FLWE 0x20 /* Flash Write Enable */ +#define BD_CTRL_RWDN 0x10 /* VMEBus Requester Release When Done Enable */ + +/*----------------------------------------------------------------------- + * + *----------------------------------------------------------------------- + * + */ + +/* + * Internal Definitions + * + * Boot Flags + */ +#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ +#define BOOTFLAG_WARM 0x02 /* Software reboot */ + +#endif /* __CONFIG_H */ |