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Diffstat (limited to 'include/configs/FADS850SAR.h')
| -rw-r--r-- | include/configs/FADS850SAR.h | 422 |
1 files changed, 422 insertions, 0 deletions
diff --git a/include/configs/FADS850SAR.h b/include/configs/FADS850SAR.h new file mode 100644 index 0000000..a104176 --- /dev/null +++ b/include/configs/FADS850SAR.h @@ -0,0 +1,422 @@ + /* + * 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) + */ +#include <mpc8xx_irq.h> + +#define CONFIG_MPC850 1 +#define CONFIG_MPC850SAR 1 +#define CONFIG_FADS 1 + +#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 */ + +/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ +#include <cmd_confdefs.h> + +/* + * Miscellaneous configurable options + */ +#undef 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 0x00004000 /* memtest works on */ +#define CFG_MEMTEST_END 0x00800000 /* 0 ... 8 MB in DRAM */ + +#define CFG_LOAD_ADDR 0x00100000 /* 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 0xFF000000 +#define CFG_IMMR_SIZE ((uint)(64 * 1024)) + +/*----------------------------------------------------------------------- + * 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 + * Also NOTE that it doesn't mean SDRAM - it means MEMORY. + */ +#define CFG_SDRAM_BASE 0x00000000 +#define CFG_FLASH_BASE 0x02800000 +#define CFG_FLASH_SIZE ((uint)(8 * 1024 * 1024)) /* max 8Mbyte */ +#if 0 +#define CFG_MONITOR_LEN (256 << 10) /* Reserve 128 kB for Monitor */ +#else +#define CFG_MONITOR_LEN (512 << 10) /* Reserve 512 kB for Monitor */ +#endif +#define CFG_MONITOR_BASE CFG_FLASH_BASE +#define CFG_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 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 8 /* 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) */ + +#define CFG_ENV_IS_IN_FLASH 1 +#define CFG_ENV_OFFSET 0x00040000 /* Offset of Environment Sector */ +#define CFG_ENV_SIZE 0x40000 /* Total Size of Environment Sector */ + +/*----------------------------------------------------------------------- + * 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 + */ +#define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01) + +/*----------------------------------------------------------------------- + * TBSCR - Time Base Status and Control 11-26 + *----------------------------------------------------------------------- + * Clear Reference Interrupt Status, Timebase freezing enabled + */ +#define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBE) + +/*----------------------------------------------------------------------- + * PISCR - Periodic Interrupt Status and Control 11-31 + *----------------------------------------------------------------------- + * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled + */ +#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 - leave PLL multiplication factor unchanged ! + */ +#define CFG_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 CFG_SCCR (SCCR_TBS | \ + SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \ + SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \ + SCCR_DFALCD00) + + /*----------------------------------------------------------------------- + * + *----------------------------------------------------------------------- + * + */ +#define CFG_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 CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */ +#define CFG_PRELIM_OR_AM 0xFFE00000 /* OR addr mask */ + +/* FLASH timing: ACS = 10, TRLX = 1, CSNT = 1, SCY = 3, EHTR = 0 */ +#define CFG_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_DIV4 | OR_BI | OR_SCY_3_CLK | OR_TRLX) + +#define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH) +#define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH) /* 1 Mbyte until detected and only 1 Mbyte is needed*/ +#define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V ) + +/* BCSRx - Board Control and Status Registers */ +#define CFG_OR1_REMAP CFG_OR0_REMAP +#define CFG_OR1_PRELIM 0xffff8110 /* 64Kbyte address space */ +#define CFG_BR1_PRELIM ((BCSR_ADDR) | BR_V ) + + +/* + * Memory Periodic Timer Prescaler + */ + +/* periodic timer for refresh */ +#define CFG_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 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) + +#define CFG_MAMR 0x13a01114 +/* + * Internal Definitions + * + * Boot Flags + */ +#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ +#define BOOTFLAG_WARM 0x02 /* Software reboot */ + + +/* 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_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 + +#ifdef CONFIG_MPC860T + +/* Interrupt level assignments. +*/ +#define FEC_INTERRUPT SIU_LEVEL1 /* FEC interrupt */ + +#endif /* CONFIG_MPC860T */ + +/* We don't use the 8259. +*/ +#define NR_8259_INTS 0 + +/* Machine type +*/ +#define _MACH_8xx (_MACH_fads) + +#define CONFIG_DISK_SPINUP_TIME 1000000 + + +/* PCMCIA configuration */ + +#define PCMCIA_MAX_SLOTS 2 + +#ifdef CONFIG_MPC860 +#define PCMCIA_SLOT_A 1 +#endif + +#endif /* __CONFIG_H */ |