--- /dev/null
+ /*
+ * 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)
+ */
+
+/*
+ * The GENIETV is using the following physical memorymap (copied from
+ * the FADS configuration):
+ *
+ * ff020000 -> ff02ffff : pcmcia
+ * ff010000 -> ff01ffff : BCSR connected to CS1, setup by 8xxROM
+ * ff000000 -> ff00ffff : IMAP internal in the cpu
+ * 30000000 -> 300fffff : flash connected to CS0
+ * 00000000 -> nnnnnnnn : sdram setup by U-Boot
+ *
+ * CS pins are connected as follows:
+ *
+ * CS0 -512Kb boot flash
+ * CS1 - SDRAM #1
+ * CS2 - SDRAM #2
+ * CS3 - Flash #1
+ * CS4 - Flash #2
+ * CS5 - Lon (if present)
+ * CS6 - PCMCIA #1
+ * CS7 - PCMCIA #2
+ */
+
+/* ------------------------------------------------------------------------- */
+
+/*
+ * board/config.h - configuration options, board specific
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#define CONFIG_ETHADDR 08:00:22:50:70:63 /* Ethernet address */
+#define CONFIG_ENV_OVERWRITE 1 /* Overwrite the environment */
+
+#define CFG_ALLOC_DPRAM /* Use dynamic DPRAM allocation */
+
+#define CFG_AUTOLOAD "n" /* No autoload */
+
+/*#define CONFIG_VIDEO 1 / To enable the video initialization */
+/*#define CONFIG_VIDEO_ADDR 0x00200000 */
+/*#define CONFIG_HARD_I2C 1 / I2C with hardware support */
+/*#define CONFIG_PCMCIA 1 / To enable the PCMCIA initialization */
+
+/*#define CFG_PCMCIA_IO_ADDR 0xff020000 */
+/*#define CFG_PCMCIA_IO_SIZE 0x10000 */
+/*#define CFG_PCMCIA_MEM_ADDR 0xe0000000 */
+/*#define CFG_PCMCIA_MEM_SIZE 0x10000 */
+
+/* Video related */
+
+/*#define CONFIG_VIDEO_LOGO 1 / Show the logo */
+/*#define CONFIG_VIDEO_ENCODER_AD7177 1 / Enable this encoder */
+/*#define CONFIG_VIDEO_ENCODER_AD7177_ADDR 0xF4 / ALSB to ground */
+
+/* Wireless 56Khz 4PPM keyboard on SMCx */
+
+/*#define CONFIG_WL_4PPM_KEYBOARD 0 */
+/*#define CONFIG_WL_4PPM_KEYBOARD_SMC 0 / SMC to use (0 indexed) */
+
+/*
+ * High Level Configuration Options
+ * (easy to change)
+ */
+#include <mpc8xx_irq.h>
+
+#define CONFIG_GENIETV 1
+#define CONFIG_MPC823 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
+
+#define MPC8XX_FACT 12 /* Multiply by 12 */
+#define MPC8XX_XIN 5000000 /* 4 MHz clock */
+
+#define MPC8XX_HZ ((MPC8XX_XIN) * (MPC8XX_FACT))
+#define CFG_PLPRCR_MF ((MPC8XX_FACT-1) << 20)
+#define CONFIG_8xx_GCLK_FREQ MPC8XX_HZ /* Force it - dont measure it */
+
+#define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
+
+#if 1
+#define CONFIG_BOOTDELAY 1 /* autoboot after 2 seconds */
+#define CONFIG_LOADS_ECHO 0 /* Dont echoes received characters */
+#define CONFIG_BOOTARGS ""
+#define CONFIG_BOOTCOMMAND \
+"bootp; tftp; " \
+"setenv bootargs console=tty0 console=ttyS0 " \
+"root=/dev/nfs nfsroot=$(serverip):$(rootpath) " \
+"ip=$(ipaddr):$(serverip):$(gatewayip):$(subnetmask):$(hostname):eth0:off ;" \
+"bootm "
+#else
+#define CONFIG_BOOTDELAY 0 /* autoboot disabled */
+#endif
+
+#undef CONFIG_WATCHDOG /* watchdog disabled */
+
+/* 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 8 /* 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 { 4800, 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 0x10000 /* Offset of Environment Sector */
+#define CFG_ENV_SIZE 0x10000 /* Total Size of Environment Sector (64k)*/
+
+/* values according to the manual */
+
+/*-----------------------------------------------------------------------
+ * 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)
+ */
+#define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC10)
+
+/*-----------------------------------------------------------------------
+ * 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 (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
+ */
+#define CFG_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST | CFG_PLPRCR_MF)
+
+/*-----------------------------------------------------------------------
+ * 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 and OR0(FLASH)
+ */
+
+#define FLASH_BASE0_PRELIM 0x02800000 /* FLASH bank #0 */
+
+#define CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */
+#define CFG_PRELIM_OR_AM 0xFF800000 /* OR addr mask (512Kb) */
+
+/* FLASH timing */
+#define CFG_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_DIV2 | OR_BI | \
+ OR_SCY_15_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) /* 0xfff80ff4 */
+#define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V | BR_PS_8) /* 0x02800401 */
+
+/*
+ * BR1/2 and OR1/2 (SDRAM)
+*/
+
+#define CFG_OR_TIMING_SDRAM 0x00000A00
+
+#define SDRAM_MAX_SIZE 0x04000000 /* 64Mb bank */
+#define SDRAM_BASE1_PRELIM 0x00000000 /* First bank */
+#define SDRAM_BASE2_PRELIM 0x10000000 /* Second bank */
+
+/*
+ * Memory Periodic Timer Prescaler
+ */
+
+/* periodic timer for refresh */
+#define CFG_MBMR_PTB 0x5d /* 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
+/*
+ * MBMR settings for SDRAM
+ */
+
+/* 8 column SDRAM */
+#define CFG_MBMR_8COL ((CFG_MBMR_PTB << MAMR_PTA_SHIFT) | MAMR_PTAE | \
+ MAMR_G0CLA_A11 | MAMR_RLFA_1X | MAMR_WLFA_1X \
+ | MAMR_TLFA_4X) /* 0x5d802114 */
+
+/*
+ * 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 CONFIG_DRAM_50MHZ 1
+#define CONFIG_SDRAM_50MHZ
+
+/* We don't use the 8259.
+*/
+#define NR_8259_INTS 0
+
+/* Machine type
+*/
+#define _MACH_8xx (_MACH_fads)
+
+/*
+ * MPC8xx CPM Options
+ */
+#define CONFIG_SCC_ENET 1
+
+#define CONFIG_DISK_SPINUP_TIME 1000000
+
+/* PCMCIA configuration */
+
+#define PCMCIA_MAX_SLOTS 1
+#define PCMCIA_SLOT_B 1
+
+#endif /* __CONFIG_H */
projects / kernel / u-boot.git / commitdiff