| /* | |
| * 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 */ | |
| #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */ | |
| /* | |
| * 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 */ |