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authorwdenk <wdenk>2002-11-02 23:30:20 +0000
committerwdenk <wdenk>2002-11-02 23:30:20 +0000
commite221174377d7e3ee848e014b96430d4c97023e93 (patch)
treecfaa85f367bc58b8770b3dabf4e9fd64121127bf /include/configs/IP860.h
parent7ebf7443ad018a0647f549a835a55f0c08d7a15d (diff)
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+/*
+ * (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 */