/* * (C) Copyright 2000 * Murray Jensen <Murray.Jensen@cmst.csiro.au> * * 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 */ /* * Config header file for Hymod board */ #ifndef __CONFIG_H #define __CONFIG_H /* * High Level Configuration Options * (easy to change) */ #define CONFIG_MPC8260 1 /* This is an MPC8260 CPU */ #define CONFIG_HYMOD 1 /* ...on a Hymod board */ #define CONFIG_CPM2 1 /* Has a CPM2 */ #define CONFIG_MISC_INIT_F 1 /* Use misc_init_f() */ #define CONFIG_BOARD_POSTCLK_INIT /* have board_postclk_init() function */ /* * select serial console configuration * * if either CONFIG_CONS_ON_SMC or CONFIG_CONS_ON_SCC is selected, then * CONFIG_CONS_INDEX must be set to the channel number (1-2 for SMC, 1-4 * for SCC). * * if CONFIG_CONS_NONE is defined, then the serial console routines must * defined elsewhere (for example, on the cogent platform, there are serial * ports on the motherboard which are used for the serial console - see * cogent/cma101/serial.[ch]). */ #undef CONFIG_CONS_ON_SMC /* define if console on SMC */ #define CONFIG_CONS_ON_SCC /* define if console on SCC */ #undef CONFIG_CONS_NONE /* define if console on something else*/ #define CONFIG_CONS_INDEX 1 /* which serial channel for console */ #define CONFIG_CONS_USE_EXTC /* SMC/SCC use ext clock not brg_clk */ #define CONFIG_CONS_EXTC_RATE 3686400 /* SMC/SCC ext clk rate in Hz */ #define CONFIG_CONS_EXTC_PINSEL 0 /* pin select 0=CLK3/CLK9,1=CLK5/CLK15*/ /* * select ethernet configuration * * if either CONFIG_ETHER_ON_SCC or CONFIG_ETHER_ON_FCC is selected, then * CONFIG_ETHER_INDEX must be set to the channel number (1-4 for SCC, 1-3 * for FCC) * * if CONFIG_ETHER_NONE is defined, then either the ethernet routines must be * defined elsewhere (as for the console), or CFG_CMD_NET must be removed * from CONFIG_COMMANDS to remove support for networking. */ #undef CONFIG_ETHER_ON_SCC /* define if ether on SCC */ #define CONFIG_ETHER_ON_FCC /* define if ether on FCC */ #undef CONFIG_ETHER_NONE /* define if ether on something else */ #define CONFIG_ETHER_INDEX 1 /* which channel for ether */ #define CONFIG_ETHER_LOOPBACK_TEST /* add ether external loopback test */ #ifdef CONFIG_ETHER_ON_FCC #if (CONFIG_ETHER_INDEX == 1) /* * - Rx-CLK is CLK10 * - Tx-CLK is CLK11 * - RAM for BD/Buffers is on the 60x Bus (see 28-13) * - Enable Full Duplex in FSMR */ # define CFG_CMXFCR_MASK (CMXFCR_FC1|CMXFCR_RF1CS_MSK|CMXFCR_TF1CS_MSK) # define CFG_CMXFCR_VALUE (CMXFCR_RF1CS_CLK10|CMXFCR_TF1CS_CLK11) # define CFG_CPMFCR_RAMTYPE 0 # define CFG_FCC_PSMR (FCC_PSMR_FDE|FCC_PSMR_LPB) # define MDIO_PORT 0 /* Port A */ # define MDIO_DATA_PINMASK 0x00040000 /* Pin 13 */ # define MDIO_CLCK_PINMASK 0x00080000 /* Pin 12 */ #elif (CONFIG_ETHER_INDEX == 2) /* * - Rx-CLK is CLK13 * - Tx-CLK is CLK14 * - RAM for BD/Buffers is on the 60x Bus (see 28-13) * - Enable Full Duplex in FSMR */ # define CFG_CMXFCR_MASK (CMXFCR_FC2|CMXFCR_RF2CS_MSK|CMXFCR_TF2CS_MSK) # define CFG_CMXFCR_VALUE (CMXFCR_RF2CS_CLK13|CMXFCR_TF2CS_CLK14) # define CFG_CPMFCR_RAMTYPE 0 # define CFG_FCC_PSMR (FCC_PSMR_FDE|FCC_PSMR_LPB) # define MDIO_PORT 0 /* Port A */ # define MDIO_DATA_PINMASK 0x00000040 /* Pin 25 */ # define MDIO_CLCK_PINMASK 0x00000080 /* Pin 24 */ #elif (CONFIG_ETHER_INDEX == 3) /* * - Rx-CLK is CLK15 * - Tx-CLK is CLK16 * - RAM for BD/Buffers is on the 60x Bus (see 28-13) * - Enable Full Duplex in FSMR */ # define CFG_CMXFCR_MASK (CMXFCR_FC3|CMXFCR_RF3CS_MSK|CMXFCR_TF3CS_MSK) # define CFG_CMXFCR_VALUE (CMXFCR_RF3CS_CLK15|CMXFCR_TF3CS_CLK16) # define CFG_CPMFCR_RAMTYPE 0 # define CFG_FCC_PSMR (FCC_PSMR_FDE|FCC_PSMR_LPB) # define MDIO_PORT 0 /* Port A */ # define MDIO_DATA_PINMASK 0x00000100 /* Pin 23 */ # define MDIO_CLCK_PINMASK 0x00000200 /* Pin 22 */ #endif /* CONFIG_ETHER_INDEX */ #define CONFIG_MII /* MII PHY management */ #define CONFIG_BITBANGMII /* bit-bang MII PHY management */ #define MDIO_ACTIVE (iop->pdir |= MDIO_DATA_PINMASK) #define MDIO_TRISTATE (iop->pdir &= ~MDIO_DATA_PINMASK) #define MDIO_READ ((iop->pdat & MDIO_DATA_PINMASK) != 0) #define MDIO(bit) if(bit) iop->pdat |= MDIO_DATA_PINMASK; \ else iop->pdat &= ~MDIO_DATA_PINMASK #define MDC(bit) if(bit) iop->pdat |= MDIO_CLCK_PINMASK; \ else iop->pdat &= ~MDIO_CLCK_PINMASK #define MIIDELAY udelay(1) #endif /* CONFIG_ETHER_ON_FCC */ /* other options */ #define CONFIG_HARD_I2C 1 /* To enable I2C hardware support */ #define CONFIG_DTT_ADM1021 1 /* ADM1021 temp sensor support */ /* system clock rate (CLKIN) - equal to the 60x and local bus speed */ #ifdef DEBUG #define CONFIG_8260_CLKIN 33333333 /* in Hz */ #else #define CONFIG_8260_CLKIN 66666666 /* in Hz */ #endif #if defined(CONFIG_CONS_USE_EXTC) #define CONFIG_BAUDRATE 115200 #else #define CONFIG_BAUDRATE 9600 #endif /* default ip addresses - these will be overridden */ #define CONFIG_IPADDR 192.168.1.1 /* hymod "boot" address */ #define CONFIG_SERVERIP 192.168.1.254 /* hymod "server" address */ #define CONFIG_LAST_STAGE_INIT #define CONFIG_COMMANDS (CFG_CMD_ALL & ~( \ CFG_CMD_BEDBUG | \ CFG_CMD_BMP | \ CFG_CMD_DISPLAY | \ CFG_CMD_DOC | \ CFG_CMD_EXT2 | \ CFG_CMD_FDC | \ CFG_CMD_FDOS | \ CFG_CMD_FPGA | \ CFG_CMD_HWFLOW | \ CFG_CMD_IDE | \ CFG_CMD_JFFS2 | \ CFG_CMD_NAND | \ CFG_CMD_MMC | \ CFG_CMD_PCMCIA | \ CFG_CMD_PCI | \ CFG_CMD_USB | \ CFG_CMD_REISER | \ CFG_CMD_SCSI | \ CFG_CMD_SPI | \ CFG_CMD_UNIVERSE| \ CFG_CMD_VFD | \ CFG_CMD_XIMG ) ) /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ #include <cmd_confdefs.h> #ifdef DEBUG #define CONFIG_BOOTDELAY -1 /* autoboot disabled */ #else #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ #define CONFIG_BOOT_RETRY_TIME 30 /* retry autoboot after 30 secs */ #define CONFIG_BOOT_RETRY_MIN 1 /* can go down to 1 second timeout */ /* Be selective on what keys can delay or stop the autoboot process * To stop use: " " */ #define CONFIG_AUTOBOOT_KEYED #define CONFIG_AUTOBOOT_PROMPT "Autobooting in %d seconds, " \ "press <SPACE> to stop\n" #define CONFIG_AUTOBOOT_STOP_STR " " #undef CONFIG_AUTOBOOT_DELAY_STR #define DEBUG_BOOTKEYS 0 #endif #if (CONFIG_COMMANDS & CFG_CMD_KGDB) #undef CONFIG_KGDB_ON_SMC /* define if kgdb on SMC */ #define CONFIG_KGDB_ON_SCC /* define if kgdb on SCC */ #undef CONFIG_KGDB_NONE /* define if kgdb on something else */ #define CONFIG_KGDB_INDEX 2 /* which serial channel for kgdb */ #define CONFIG_KGDB_USE_EXTC /* SMC/SCC use ext clock not brg_clk */ #define CONFIG_KGDB_EXTC_RATE 3686400 /* serial ext clk rate in Hz */ #define CONFIG_KGDB_EXTC_PINSEL 0 /* pin select 0=CLK3/CLK9,1=CLK5/CLK15*/ # if defined(CONFIG_KGDB_USE_EXTC) #define CONFIG_KGDB_BAUDRATE 115200 /* speed to run kgdb serial port at */ # else #define CONFIG_KGDB_BAUDRATE 9600 /* speed to run kgdb serial port at */ # endif #endif #undef CONFIG_WATCHDOG /* disable platform specific watchdog */ #define CONFIG_RTC_PCF8563 /* use Philips PCF8563 RTC */ /* * Hymod specific configurable options */ #undef CFG_HYMOD_DBLEDS /* walk mezz board LEDs */ /* * 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 0x00400000 /* memtest works on */ #define CFG_MEMTEST_END 0x03c00000 /* 4 ... 60 MB in DRAM */ #define CFG_CLKS_IN_HZ 1 /* everything, incl board info, in Hz */ #define CFG_LOAD_ADDR 0x100000 /* default load address */ #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */ #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200, 230400 } #define CFG_I2C_SPEED 50000 #define CFG_I2C_SLAVE 0x7e /* these are for the ST M24C02 2kbit serial i2c eeprom */ #define CFG_I2C_EEPROM_ADDR 0x50 /* base address */ #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_ENABLE 1 /* write eeprom in pages */ #define CFG_EEPROM_PAGE_WRITE_BITS 4 /* 16 byte write page size */ #define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 /* and takes up to 10 msec */ #define CFG_I2C_MULTI_EEPROMS 1 /* hymod has two eeproms */ #define CFG_I2C_RTC_ADDR 0x51 /* philips PCF8563 RTC address */ /* * standard dtt sensor configuration - bottom bit will determine local or * remote sensor of the ADM1021, the rest determines index into * CFG_DTT_ADM1021 array below. * * On HYMOD board, the remote sensor should be connected to the MPC8260 * temperature diode thingy, but an errata said this didn't work and * should be disabled - so it isn't connected. */ #if 0 #define CONFIG_DTT_SENSORS { 0, 1 } #else #define CONFIG_DTT_SENSORS { 0 } #endif /* * ADM1021 temp sensor configuration (see dtt/adm1021.c for details). * there will be one entry in this array for each two (dummy) sensors in * CONFIG_DTT_SENSORS. * * For HYMOD board: * - only one ADM1021 * - i2c addr 0x2a (both ADD0 and ADD1 are N/C) * - conversion rate 0x02 = 0.25 conversions/second * - ALERT ouput disabled * - local temp sensor enabled, min set to 0 deg, max set to 85 deg * - remote temp sensor disabled (see comment for CONFIG_DTT_SENSORS above) */ #define CFG_DTT_ADM1021 { { 0x2a, 0x02, 0, 1, 0, 85, 0, } } /* * Low Level Configuration Settings * (address mappings, register initial values, etc.) * You should know what you are doing if you make changes here. */ /*----------------------------------------------------------------------- * Hard Reset Configuration Words * * if you change bits in the HRCW, you must also change the CFG_* * defines for the various registers affected by the HRCW e.g. changing * HRCW_DPPCxx requires you to also change CFG_SIUMCR. */ #ifdef DEBUG #define CFG_HRCW_MASTER (HRCW_BPS11|HRCW_CIP|HRCW_L2CPC01|HRCW_DPPC10|\ HRCW_ISB100|HRCW_BMS|HRCW_MMR11|HRCW_APPC10|\ HRCW_MODCK_H0010) #else #define CFG_HRCW_MASTER (HRCW_BPS11|HRCW_CIP|HRCW_L2CPC01|HRCW_DPPC10|\ HRCW_ISB100|HRCW_BMS|HRCW_MMR11|HRCW_APPC10|\ HRCW_MODCK_H0101) #endif /* no slaves so just duplicate the master hrcw */ #define CFG_HRCW_SLAVE1 CFG_HRCW_MASTER #define CFG_HRCW_SLAVE2 CFG_HRCW_MASTER #define CFG_HRCW_SLAVE3 CFG_HRCW_MASTER #define CFG_HRCW_SLAVE4 CFG_HRCW_MASTER #define CFG_HRCW_SLAVE5 CFG_HRCW_MASTER #define CFG_HRCW_SLAVE6 CFG_HRCW_MASTER #define CFG_HRCW_SLAVE7 CFG_HRCW_MASTER /*----------------------------------------------------------------------- * Internal Memory Mapped Register */ #define CFG_IMMR 0xF0000000 /*----------------------------------------------------------------------- * Definitions for initial stack pointer and data area (in DPRAM) */ #define CFG_INIT_RAM_ADDR CFG_IMMR #define CFG_INIT_RAM_END 0x4000 /* End of used area in DPRAM */ #define CFG_GBL_DATA_SIZE 128 /* 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 TEXT_BASE #define CFG_MONITOR_BASE TEXT_BASE #define CFG_FPGA_BASE 0x80000000 /* * unfortunately, CFG_MONITOR_LEN must include the * (very large i.e. 256kB) environment flash sector */ #define CFG_MONITOR_LEN (512 << 10) /* Reserve 512 kB for Monitor*/ #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 Mem map for Linux*/ /*----------------------------------------------------------------------- * FLASH organization */ #define CFG_MAX_FLASH_BANKS 2 /* max num of memory banks */ #define CFG_MAX_FLASH_SECT 67 /* max num of sects on one chip */ #define CFG_FLASH_ERASE_TOUT 120000 /* Flash Erase Timeout (in ms) */ #define CFG_FLASH_WRITE_TOUT 500 /* Flash Write Timeout (in ms) */ #define CFG_ENV_IS_IN_FLASH 1 #define CFG_ENV_SIZE 0x40000 /* Total Size of Environment Sector */ #define CFG_ENV_SECT_SIZE 0x40000 /* see README - env sect real size */ #define CFG_ENV_ADDR (CFG_FLASH_BASE+CFG_MONITOR_LEN-CFG_ENV_SECT_SIZE) /*----------------------------------------------------------------------- * Cache Configuration */ #define CFG_CACHELINE_SIZE 32 /* For MPC8260 CPU */ #if (CONFIG_COMMANDS & CFG_CMD_KGDB) #define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value*/ #endif /*----------------------------------------------------------------------- * HIDx - Hardware Implementation-dependent Registers 2-11 *----------------------------------------------------------------------- * HID0 also contains cache control - initially enable both caches and * invalidate contents, then the final state leaves only the instruction * cache enabled. Note that Power-On and Hard reset invalidate the caches, * but Soft reset does not. * * HID1 has only read-only information - nothing to set. */ #define CFG_HID0_INIT (HID0_ICE|HID0_DCE|HID0_ICFI|HID0_DCI|\ HID0_IFEM|HID0_ABE) #ifdef DEBUG #define CFG_HID0_FINAL 0 #else #define CFG_HID0_FINAL (HID0_ICE|HID0_IFEM|HID0_ABE) #endif #define CFG_HID2 0 /*----------------------------------------------------------------------- * RMR - Reset Mode Register 5-5 *----------------------------------------------------------------------- * turn on Checkstop Reset Enable */ #ifdef DEBUG #define CFG_RMR 0 #else #define CFG_RMR RMR_CSRE #endif /*----------------------------------------------------------------------- * BCR - Bus Configuration 4-25 *----------------------------------------------------------------------- */ #define CFG_BCR (BCR_ETM) /*----------------------------------------------------------------------- * SIUMCR - SIU Module Configuration 4-31 *----------------------------------------------------------------------- */ #define CFG_SIUMCR (SIUMCR_DPPC10|SIUMCR_L2CPC01|\ SIUMCR_APPC10|SIUMCR_MMR11) /*----------------------------------------------------------------------- * SYPCR - System Protection Control 4-35 * SYPCR can only be written once after reset! *----------------------------------------------------------------------- * Watchdog & Bus Monitor Timer max, 60x & Local Bus Monitor enable */ #if defined(CONFIG_WATCHDOG) #define CFG_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\ SYPCR_SWRI|SYPCR_SWP|SYPCR_SWE) #else #define CFG_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\ SYPCR_SWRI|SYPCR_SWP) #endif /* CONFIG_WATCHDOG */ /*----------------------------------------------------------------------- * TMCNTSC - Time Counter Status and Control 4-40 *----------------------------------------------------------------------- * Clear once per Second and Alarm Interrupt Status, Set 32KHz timersclk, * and enable Time Counter */ #define CFG_TMCNTSC (TMCNTSC_SEC|TMCNTSC_ALR|TMCNTSC_TCF|TMCNTSC_TCE) /*----------------------------------------------------------------------- * PISCR - Periodic Interrupt Status and Control 4-42 *----------------------------------------------------------------------- * Clear Periodic Interrupt Status, Set 32KHz timersclk, and enable * Periodic timer */ #define CFG_PISCR (PISCR_PS|PISCR_PTF|PISCR_PTE) /*----------------------------------------------------------------------- * SCCR - System Clock Control 9-8 *----------------------------------------------------------------------- * Ensure DFBRG is Divide by 16 */ #define CFG_SCCR (SCCR_DFBRG01) /*----------------------------------------------------------------------- * RCCR - RISC Controller Configuration 13-7 *----------------------------------------------------------------------- */ #define CFG_RCCR 0 /* * Init Memory Controller: * * Bank Bus Machine PortSz Device * ---- --- ------- ------ ------ * 0 60x GPCM 32 bit FLASH * 1 60x GPCM 32 bit FLASH (same as 0 - unused for now) * 2 60x SDRAM 64 bit SDRAM * 3 Local UPMC 8 bit Main Xilinx configuration * 4 Local GPCM 32 bit Main Xilinx register mode * 5 Local UPMB 32 bit Main Xilinx port mode * 6 Local UPMC 8 bit Mezz Xilinx configuration */ /* * Bank 0 - FLASH * * Quotes from the HYMOD IO Board Reference manual: * * "The flash memory is two Intel StrataFlash chips, each configured for * 16 bit operation and connected to give a 32 bit wide port." * * "The chip select logic is configured to respond to both *CS0 and *CS1. * Therefore the FLASH memory will be mapped to both bank 0 and bank 1. * It is suggested that bank 0 be read-only and bank 1 be read/write. The * FLASH will then appear as ROM during boot." * * Initially, we are only going to use bank 0 in read/write mode. */ /* 32 bit, read-write, GPCM on 60x bus */ #define CFG_BR0_PRELIM ((CFG_FLASH_BASE&BRx_BA_MSK)|\ BRx_PS_32|BRx_MS_GPCM_P|BRx_V) /* up to 32 Mb */ #define CFG_OR0_PRELIM (MEG_TO_AM(32)|ORxG_CSNT|ORxG_ACS_DIV2|ORxG_SCY_10_CLK) /* * Bank 2 - SDRAM * * Quotes from the HYMOD IO Board Reference manual: * * "The main memory is implemented using TC59SM716FTL-10 SDRAM and has a * fixed size of 64 Mbytes. The Toshiba TC59SM716FTL-10 is a CMOS synchronous * dynamic random access memory organised as 4 banks by 4096 rows by 512 * columns by 16 bits. Four chips provide a 64-bit port on the 60x bus." * * "The locations in SDRAM are accessed using multiplexed address pins to * specify row and column. The pins also act to specify commands. The state * of the inputs *RAS, *CAS and *WE defines the required action. The a10/AP * pin may function as a row address or as the AUTO PRECHARGE control line, * depending on the cycle type. The 60x bus SDRAM machine allows the MPC8260 * address lines to be configured to the required multiplexing scheme." */ #define CFG_SDRAM_SIZE 64 /* 64 bit, read-write, SDRAM on 60x bus */ #define CFG_BR2_PRELIM ((CFG_SDRAM_BASE&BRx_BA_MSK)|\ BRx_PS_64|BRx_MS_SDRAM_P|BRx_V) /* 64 Mb, 4 int banks per dev, row start addr bit = A6, 12 row addr lines */ #define CFG_OR2_PRELIM (MEG_TO_AM(CFG_SDRAM_SIZE)|\ ORxS_BPD_4|ORxS_ROWST_PBI1_A6|ORxS_NUMR_12) /* * The 60x Bus SDRAM Mode Register (PDSMR) is set as follows: * * Page Based Interleaving, Refresh Enable, Address Multiplexing where A5 * is output on A16 pin (A6 on A17, and so on), use address pins A14-A16 * as bank select, A7 is output on SDA10 during an ACTIVATE command, * earliest timing for ACTIVATE command after REFRESH command is 6 clocks, * earliest timing for ACTIVATE or REFRESH command after PRECHARGE command * is 2 clocks, earliest timing for READ/WRITE command after ACTIVATE * command is 2 clocks, earliest timing for PRECHARGE after last data * was read is 1 clock, earliest timing for PRECHARGE after last data * was written is 1 clock, CAS Latency is 2. */ #define CFG_PSDMR (PSDMR_PBI|PSDMR_SDAM_A16_IS_A5|\ PSDMR_BSMA_A14_A16|PSDMR_SDA10_PBI1_A7|\ PSDMR_RFRC_6_CLK|PSDMR_PRETOACT_2W|\ PSDMR_ACTTORW_2W|PSDMR_LDOTOPRE_1C|\ PSDMR_WRC_1C|PSDMR_CL_2) /* * The 60x bus-assigned SDRAM Refresh Timer (PSRT) (10-31) and the Refresh * Timers Prescale (PTP) value in the Memory Refresh Timer Prescaler Register * (MPTPR) (10-32) must also be set up (it used to be called the Periodic Timer * Prescaler, hence the P instead of the R). The refresh timer period is given * by (note that there was a change in the 8260 UM Errata): * * TimerPeriod = (PSRT + 1) / Fmptc * * where Fmptc is the BusClock divided by PTP. i.e. * * TimerPeriod = (PSRT + 1) / (BusClock / PTP) * * or * * TImerPeriod = (PTP * (PSRT + 1)) / BusClock * * The requirement for the Toshiba TC59SM716FTL-10 is that there must be * 4K refresh cycles every 64 ms. i.e. one refresh cycle every 64000/4096 * = 15.625 usecs. * * So PTP * (PSRT + 1) <= 15.625 * BusClock. At 66.666MHz, PSRT=31 and PTP=32 * appear to be reasonable. */ #ifdef DEBUG #define CFG_PSRT 39 #define CFG_MPTPR MPTPR_PTP_DIV8 #else #define CFG_PSRT 31 #define CFG_MPTPR MPTPR_PTP_DIV32 #endif /* * Banks 3,4,5 and 6 - FPGA access * * Quotes from the HYMOD IO Board Reference manual: * * "The IO Board is fitted with a Xilinx XCV300E main FPGA. Provision is made * for configuring an optional FPGA on the mezzanine interface. * * Access to the FPGAs may be divided into several catagories: * * 1. Configuration * 2. Register mode access * 3. Port mode access * * The main FPGA is supported for modes 1, 2 and 3. The mezzanine FPGA can be * configured only (mode 1). Consequently there are four access types. * * To improve interface performance and simplify software design, the four * possible access types are separately mapped to different memory banks. * * All are accessed using the local bus." * * Device Mode Memory Bank Machine Port Size Access * * Main Configuration 3 UPMC 8bit R/W * Main Register 4 GPCM 32bit R/W * Main Port 5 UPMB 32bit R/W * Mezzanine Configuration 6 UPMC 8bit W/O * * "Note that mezzanine mode 1 access is write-only." */ /* all the bank sizes must be a power of two, greater or equal to 32768 */ #define FPGA_MAIN_CFG_BASE (CFG_FPGA_BASE) #define FPGA_MAIN_CFG_SIZE 32768 #define FPGA_MAIN_REG_BASE (FPGA_MAIN_CFG_BASE + FPGA_MAIN_CFG_SIZE) #define FPGA_MAIN_REG_SIZE 32768 #define FPGA_MAIN_PORT_BASE (FPGA_MAIN_REG_BASE + FPGA_MAIN_REG_SIZE) #define FPGA_MAIN_PORT_SIZE 32768 #define FPGA_MEZZ_CFG_BASE (FPGA_MAIN_PORT_BASE + FPGA_MAIN_PORT_SIZE) #define FPGA_MEZZ_CFG_SIZE 32768 /* 8 bit, read-write, UPMC */ #define CFG_BR3_PRELIM (FPGA_MAIN_CFG_BASE|BRx_PS_8|BRx_MS_UPMC|BRx_V) /* up to 32Kbyte, burst inhibit */ #define CFG_OR3_PRELIM (P2SZ_TO_AM(FPGA_MAIN_CFG_SIZE)|ORxU_BI) /* 32 bit, read-write, GPCM */ #define CFG_BR4_PRELIM (FPGA_MAIN_REG_BASE|BRx_PS_32|BRx_MS_GPCM_L|BRx_V) /* up to 32Kbyte */ #define CFG_OR4_PRELIM (P2SZ_TO_AM(FPGA_MAIN_REG_SIZE)) /* 32 bit, read-write, UPMB */ #define CFG_BR5_PRELIM (FPGA_MAIN_PORT_BASE|BRx_PS_32|BRx_MS_UPMB|BRx_V) /* up to 32Kbyte */ #define CFG_OR5_PRELIM (P2SZ_TO_AM(FPGA_MAIN_PORT_SIZE)|ORxU_BI) /* 8 bit, write-only, UPMC */ #define CFG_BR6_PRELIM (FPGA_MEZZ_CFG_BASE|BRx_PS_8|BRx_MS_UPMC|BRx_V) /* up to 32Kbyte, burst inhibit */ #define CFG_OR6_PRELIM (P2SZ_TO_AM(FPGA_MEZZ_CFG_SIZE)|ORxU_BI) /*----------------------------------------------------------------------- * MBMR - Machine B Mode 10-27 *----------------------------------------------------------------------- */ #define CFG_MBMR (MxMR_BSEL|MxMR_OP_NORM) /* XXX - needs more */ /*----------------------------------------------------------------------- * MCMR - Machine C Mode 10-27 *----------------------------------------------------------------------- */ #define CFG_MCMR (MxMR_BSEL|MxMR_DSx_2_CYCL) /* XXX - needs more */ /* * FPGA I/O Port/Bit information */ #define FPGA_MAIN_PROG_PORT IOPIN_PORTA #define FPGA_MAIN_PROG_PIN 4 /* PA4 */ #define FPGA_MAIN_INIT_PORT IOPIN_PORTA #define FPGA_MAIN_INIT_PIN 5 /* PA5 */ #define FPGA_MAIN_DONE_PORT IOPIN_PORTA #define FPGA_MAIN_DONE_PIN 6 /* PA6 */ #define FPGA_MEZZ_PROG_PORT IOPIN_PORTA #define FPGA_MEZZ_PROG_PIN 0 /* PA0 */ #define FPGA_MEZZ_INIT_PORT IOPIN_PORTA #define FPGA_MEZZ_INIT_PIN 1 /* PA1 */ #define FPGA_MEZZ_DONE_PORT IOPIN_PORTA #define FPGA_MEZZ_DONE_PIN 2 /* PA2 */ #define FPGA_MEZZ_ENABLE_PORT IOPIN_PORTA #define FPGA_MEZZ_ENABLE_PIN 3 /* PA3 */ /* * FPGA Interrupt configuration */ #define FPGA_MAIN_IRQ SIU_INT_IRQ2 /* * Internal Definitions * * Boot Flags */ #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH*/ #define BOOTFLAG_WARM 0x02 /* Software reboot */ /* * JFFS2 partitions * */ /* No command line, one static partition, whole device */ #undef CONFIG_JFFS2_CMDLINE #define CONFIG_JFFS2_DEV "nor0" #define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF #define CONFIG_JFFS2_PART_OFFSET 0x00000000 /* mtdparts command line support */ /* #define CONFIG_JFFS2_CMDLINE #define MTDIDS_DEFAULT "" #define MTDPARTS_DEFAULT "" */ #endif /* __CONFIG_H */