/* * A collection of structures, addresses, and values associated with * the Motorola 860T FADS board. Copied from the MBX stuff. * Magnus Damm added defines for 8xxrom and extended bd_info. * Helmut Buchsbaum added bitvalues for BCSRx * * Copyright (c) 1998 Dan Malek (dmalek@jlc.net) */ /* * 1999-nov-26: The FADS is using the following physical memorymap: * * ff020000 -> ff02ffff : pcmcia * ff010000 -> ff01ffff : BCSR connected to CS1, setup by 8xxrom * ff000000 -> ff00ffff : IMAP internal in the cpu * fe000000 -> ffnnnnnn : flash connected to CS0, setup by 8xxrom * 00000000 -> nnnnnnnn : sdram/dram setup by 8xxrom */ /* ------------------------------------------------------------------------- */ /* * board/config.h - configuration options, board specific */ #ifndef __CONFIG_H #define __CONFIG_H /* * High Level Configuration Options * (easy to change) */ #define CONFIG_MPC850 1 #define CONFIG_MPC850SAR 1 #define CONFIG_FADS 1 #define CONFIG_SYS_TEXT_BASE 0xFE000000 #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */ #undef CONFIG_8xx_CONS_SMC2 #undef CONFIG_8xx_CONS_NONE #define CONFIG_BAUDRATE 9600 #if 0 #define MPC8XX_FACT 10 /* Multiply by 10 */ #define MPC8XX_XIN 50000000 /* 50 MHz in */ #else #define MPC8XX_FACT 12 /* Multiply by 12 */ #define MPC8XX_XIN 4000000 /* 4 MHz in */ #endif #define MPC8XX_HZ ((MPC8XX_XIN) * (MPC8XX_FACT)) #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */ #if 1 #define CONFIG_BOOTDELAY -1 /* autoboot disabled */ #else #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ #endif #define CONFIG_BOOTCOMMAND "bootm 02880000" /* autoboot command */ #define CONFIG_BOOTARGS " " #undef CONFIG_WATCHDOG /* watchdog disabled */ /* * BOOTP options */ #define CONFIG_BOOTP_BOOTFILESIZE #define CONFIG_BOOTP_BOOTPATH #define CONFIG_BOOTP_GATEWAY #define CONFIG_BOOTP_HOSTNAME /* * Command line configuration. */ #include <config_cmd_default.h> /* * Miscellaneous configurable options */ #undef CONFIG_SYS_LONGHELP /* undef to save memory */ #define CONFIG_SYS_PROMPT ":>" /* Monitor Command Prompt */ #if defined(CONFIG_CMD_KGDB) #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */ #else #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ #endif #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */ #define CONFIG_SYS_MAXARGS 16 /* max number of command args */ #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */ #define CONFIG_SYS_MEMTEST_START 0x00004000 /* memtest works on */ #define CONFIG_SYS_MEMTEST_END 0x00800000 /* 0 ... 8 MB in DRAM */ #define CONFIG_SYS_LOAD_ADDR 0x00100000 /* default load address */ /* * 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 CONFIG_SYS_IMMR 0xFF000000 #define CONFIG_SYS_IMMR_SIZE ((uint)(64 * 1024)) /*----------------------------------------------------------------------- * Definitions for initial stack pointer and data area (in DPRAM) */ #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR #define CONFIG_SYS_INIT_RAM_SIZE 0x2F00 /* Size of used area in DPRAM */ #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE) #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET /*----------------------------------------------------------------------- * Start addresses for the final memory configuration * (Set up by the startup code) * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0 * Also NOTE that it doesn't mean SDRAM - it means MEMORY. */ #define CONFIG_SYS_SDRAM_BASE 0x00000000 #define CONFIG_SYS_SDRAM_SIZE (4<<20) /* standard FADS has 4M */ #define CONFIG_SYS_FLASH_BASE 0x02800000 #define CONFIG_SYS_FLASH_SIZE ((uint)(8 * 1024 * 1024)) /* max 8Mbyte */ #if 0 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 128 kB for Monitor */ #else #define CONFIG_SYS_MONITOR_LEN (512 << 10) /* Reserve 512 kB for Monitor */ #endif #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE #define CONFIG_SYS_MALLOC_LEN (256 << 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 CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ /*----------------------------------------------------------------------- * FLASH organization */ #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */ #define CONFIG_SYS_MAX_FLASH_SECT 8 /* max number of sectors on one chip */ #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ #define CONFIG_ENV_IS_IN_FLASH 1 #define CONFIG_ENV_OFFSET 0x00040000 /* Offset of Environment Sector */ #define CONFIG_ENV_SIZE 0x40000 /* Total Size of Environment Sector */ #define CONFIG_SYS_USE_PPCENV /* Environment embedded in sect .ppcenv */ /*----------------------------------------------------------------------- * Cache Configuration */ #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */ #if defined(CONFIG_CMD_KGDB) #define CONFIG_SYS_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 CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \ SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP) #else #define CONFIG_SYS_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 CONFIG_SYS_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01) /*----------------------------------------------------------------------- * TBSCR - Time Base Status and Control 11-26 *----------------------------------------------------------------------- * Clear Reference Interrupt Status, Timebase freezing enabled */ #define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBE) /*----------------------------------------------------------------------- * PISCR - Periodic Interrupt Status and Control 11-31 *----------------------------------------------------------------------- * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled */ #define CONFIG_SYS_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 - leave PLL multiplication factor unchanged ! */ #define CONFIG_SYS_PLPRCR (((MPC8XX_FACT-1) << 20) | \ 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_EBDF11 #define CONFIG_SYS_SCCR (SCCR_TBS | \ SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \ SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \ SCCR_DFALCD00) /*----------------------------------------------------------------------- * *----------------------------------------------------------------------- * */ #define CONFIG_SYS_DER 0 /* Because of the way the 860 starts up and assigns CS0 the * entire address space, we have to set the memory controller * differently. Normally, you write the option register * first, and then enable the chip select by writing the * base register. For CS0, you must write the base register * first, followed by the option register. */ /* * Init Memory Controller: * * BR0/1 and OR0/1 (FLASH) */ /* the other CS:s are determined by looking at parameters in BCSRx */ #define BCSR_ADDR ((uint) 0x02100000) #define BCSR_SIZE ((uint)(64 * 1024)) #define FLASH_BASE0_PRELIM 0x02800000 /* FLASH bank #0 */ #define FLASH_BASE1_PRELIM 0x00000000 /* FLASH bank #1 */ #define CONFIG_SYS_REMAP_OR_AM 0x80000000 /* OR addr mask */ #define CONFIG_SYS_PRELIM_OR_AM 0xFFE00000 /* OR addr mask */ /* FLASH timing: ACS = 10, TRLX = 1, CSNT = 1, SCY = 3, EHTR = 0 */ #define CONFIG_SYS_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_DIV4 | OR_BI | OR_SCY_3_CLK | OR_TRLX) #define CONFIG_SYS_OR0_REMAP (CONFIG_SYS_REMAP_OR_AM | CONFIG_SYS_OR_TIMING_FLASH) #define CONFIG_SYS_OR0_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH) /* 1 Mbyte until detected and only 1 Mbyte is needed*/ #define CONFIG_SYS_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V ) /* BCSRx - Board Control and Status Registers */ #define CONFIG_SYS_OR1_REMAP CONFIG_SYS_OR0_REMAP #define CONFIG_SYS_OR1_PRELIM 0xffff8110 /* 64Kbyte address space */ #define CONFIG_SYS_BR1_PRELIM ((BCSR_ADDR) | BR_V ) /* * Memory Periodic Timer Prescaler */ /* periodic timer for refresh */ #define CONFIG_SYS_MAMR_PTA 97 /* start with divider for 100 MHz */ /* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */ #define CONFIG_SYS_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */ #define CONFIG_SYS_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 CONFIG_SYS_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */ #define CONFIG_SYS_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */ /* * MAMR settings for SDRAM */ /* 8 column SDRAM */ #define CONFIG_SYS_MAMR_8COL ((CONFIG_SYS_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 CONFIG_SYS_MAMR_9COL ((CONFIG_SYS_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) #define CONFIG_SYS_MAMR 0x13a01114 /* values according to the manual */ #define PCMCIA_MEM_ADDR ((uint)0xff020000) #define PCMCIA_MEM_SIZE ((uint)(64 * 1024)) #define BCSR0 ((uint) (BCSR_ADDR + 00)) #define BCSR1 ((uint) (BCSR_ADDR + 0x04)) #define BCSR2 ((uint) (BCSR_ADDR + 0x08)) #define BCSR3 ((uint) (BCSR_ADDR + 0x0c)) #define BCSR4 ((uint) (BCSR_ADDR + 0x10)) /* FADS bitvalues by Helmut Buchsbaum * see MPC8xxADS User's Manual for a proper description * of the following structures */ #define BCSR0_ERB ((uint)0x80000000) #define BCSR0_IP ((uint)0x40000000) #define BCSR0_BDIS ((uint)0x10000000) #define BCSR0_BPS_MASK ((uint)0x0C000000) #define BCSR0_ISB_MASK ((uint)0x01800000) #define BCSR0_DBGC_MASK ((uint)0x00600000) #define BCSR0_DBPC_MASK ((uint)0x00180000) #define BCSR0_EBDF_MASK ((uint)0x00060000) #define BCSR1_FLASH_EN ((uint)0x80000000) #define BCSR1_DRAM_EN ((uint)0x40000000) #define BCSR1_ETHEN ((uint)0x20000000) #define BCSR1_IRDEN ((uint)0x10000000) #define BCSR1_FLASH_CFG_EN ((uint)0x08000000) #define BCSR1_CNT_REG_EN_PROTECT ((uint)0x04000000) #define BCSR1_BCSR_EN ((uint)0x02000000) #define BCSR1_RS232EN_1 ((uint)0x01000000) #define BCSR1_PCCEN ((uint)0x00800000) #define BCSR1_PCCVCC0 ((uint)0x00400000) #define BCSR1_PCCVPP_MASK ((uint)0x00300000) #define BCSR1_DRAM_HALF_WORD ((uint)0x00080000) #define BCSR1_RS232EN_2 ((uint)0x00040000) #define BCSR1_SDRAM_EN ((uint)0x00020000) #define BCSR1_PCCVCC1 ((uint)0x00010000) #define BCSR2_FLASH_PD_MASK ((uint)0xF0000000) #define BCSR2_FLASH_PD_SHIFT 28 #define BCSR2_DRAM_PD_MASK ((uint)0x07800000) #define BCSR2_DRAM_PD_SHIFT 23 #define BCSR2_EXTTOLI_MASK ((uint)0x00780000) #define BCSR2_DBREVNR_MASK ((uint)0x00030000) #define BCSR3_DBID_MASK ((ushort)0x3800) #define BCSR3_CNT_REG_EN_PROTECT ((ushort)0x0400) #define BCSR3_BREVNR0 ((ushort)0x0080) #define BCSR3_FLASH_PD_MASK ((ushort)0x0070) #define BCSR3_BREVN1 ((ushort)0x0008) #define BCSR3_BREVN2_MASK ((ushort)0x0003) #define BCSR4_ETHLOOP ((uint)0x80000000) #define BCSR4_TFPLDL ((uint)0x40000000) #define BCSR4_TPSQEL ((uint)0x20000000) #define BCSR4_SIGNAL_LAMP ((uint)0x10000000) #ifdef CONFIG_MPC823 #define BCSR4_USB_EN ((uint)0x08000000) #endif /* CONFIG_MPC823 */ #ifdef CONFIG_MPC860SAR #define BCSR4_UTOPIA_EN ((uint)0x08000000) #endif /* CONFIG_MPC860SAR */ #ifdef CONFIG_MPC860T #define BCSR4_FETH_EN ((uint)0x08000000) #endif /* CONFIG_MPC860T */ #ifdef CONFIG_MPC823 #define BCSR4_USB_SPEED ((uint)0x04000000) #endif /* CONFIG_MPC823 */ #ifdef CONFIG_MPC860T #define BCSR4_FETHCFG0 ((uint)0x04000000) #endif /* CONFIG_MPC860T */ #ifdef CONFIG_MPC823 #define BCSR4_VCCO ((uint)0x02000000) #endif /* CONFIG_MPC823 */ #ifdef CONFIG_MPC860T #define BCSR4_FETHFDE ((uint)0x02000000) #endif /* CONFIG_MPC860T */ #ifdef CONFIG_MPC823 #define BCSR4_VIDEO_ON ((uint)0x00800000) #endif /* CONFIG_MPC823 */ #ifdef CONFIG_MPC823 #define BCSR4_VDO_EKT_CLK_EN ((uint)0x00400000) #endif /* CONFIG_MPC823 */ #ifdef CONFIG_MPC860T #define BCSR4_FETHCFG1 ((uint)0x00400000) #endif /* CONFIG_MPC860T */ #ifdef CONFIG_MPC823 #define BCSR4_VIDEO_RST ((uint)0x00200000) #endif /* CONFIG_MPC823 */ #ifdef CONFIG_MPC860T #define BCSR4_FETHRST ((uint)0x00200000) #endif /* CONFIG_MPC860T */ #define BCSR4_MODEM_EN ((uint)0x00100000) #define BCSR4_DATA_VOICE ((uint)0x00080000) #define CONFIG_DRAM_50MHZ 1 #define CONFIG_SDRAM_50MHZ /* We don't use the 8259. */ #define NR_8259_INTS 0 #define CONFIG_DISK_SPINUP_TIME 1000000 /* PCMCIA configuration */ #define PCMCIA_MAX_SLOTS 2 #ifdef CONFIG_MPC860 #define PCMCIA_SLOT_A 1 #endif #define CONFIG_SYS_DAUGHTERBOARD #endif /* __CONFIG_H */