| /* |
| * (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 */ |
