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Diffstat (limited to 'include/configs/sbc8260.h')
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diff --git a/include/configs/sbc8260.h b/include/configs/sbc8260.h new file mode 100644 index 0000000..b89f503 --- /dev/null +++ b/include/configs/sbc8260.h @@ -0,0 +1,980 @@ +/* + * (C) Copyright 2000 + * Murray Jensen <Murray.Jensen@cmst.csiro.au> + * + * (C) Copyright 2000 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Marius Groeger <mgroeger@sysgo.de> + * + * (C) Copyright 2001 + * Advent Networks, Inc. <http://www.adventnetworks.com> + * Jay Monkman <jtm@smoothsmoothie.com> + * + * Configuration settings for the WindRiver SBC8260 board. + * See http://www.windriver.com/products/html/sbc8260.html + * + * 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 + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +/* Enable debug prints */ +#undef DEBUG /* General debug */ +#undef DEBUG_BOOTP_EXT /* Debug received vendor fields */ + +/***************************************************************************** + * + * These settings must match the way _your_ board is set up + * + *****************************************************************************/ + +/* What is the oscillator's (UX2) frequency in Hz? */ +#define CONFIG_8260_CLKIN (66 * 1000 * 1000) + +/*----------------------------------------------------------------------- + * MODCK_H & MODCLK[1-3] - Ref: Section 9.2 in MPC8206 User Manual + *----------------------------------------------------------------------- + * What should MODCK_H be? It is dependent on the oscillator + * frequency, MODCK[1-3], and desired CPM and core frequencies. + * Here are some example values (all frequencies are in MHz): + * + * MODCK_H MODCK[1-3] Osc CPM Core S2-6 S2-7 S2-8 + * ------- ---------- --- --- ---- ----- ----- ----- + * 0x1 0x5 33 100 133 Open Close Open + * 0x1 0x6 33 100 166 Open Open Close + * 0x1 0x7 33 100 200 Open Open Open + * + * 0x2 0x2 33 133 133 Close Open Close + * 0x2 0x3 33 133 166 Close Open Open + * 0x2 0x4 33 133 200 Open Close Close + * 0x2 0x5 33 133 233 Open Close Open + * 0x2 0x6 33 133 266 Open Open Close + * + * 0x5 0x5 66 133 133 Open Close Open + * 0x5 0x6 66 133 166 Open Open Close + * 0x5 0x7 66 133 200 Open Open Open + * 0x6 0x0 66 133 233 Close Close Close + * 0x6 0x1 66 133 266 Close Close Open + * 0x6 0x2 66 133 300 Close Open Close + */ +#define CFG_SBC_MODCK_H 0x05 + +/* Define this if you want to boot from 0x00000100. If you don't define + * this, you will need to program the bootloader to 0xfff00000, and + * get the hardware reset config words at 0xfe000000. The simplest + * way to do that is to program the bootloader at both addresses. + * It is suggested that you just let U-Boot live at 0x00000000. + */ +#define CFG_SBC_BOOT_LOW 1 + +/* What should the base address of the main FLASH be and how big is + * it (in MBytes)? This must contain TEXT_BASE from board/sbc8260/config.mk + * The main FLASH is whichever is connected to *CS0. U-Boot expects + * this to be the SIMM. + */ +#define CFG_FLASH0_BASE 0x40000000 +#define CFG_FLASH0_SIZE 4 + +/* What should the base address of the secondary FLASH be and how big + * is it (in Mbytes)? The secondary FLASH is whichever is connected + * to *CS6. U-Boot expects this to be the on board FLASH. If you don't + * want it enabled, don't define these constants. + */ +#define CFG_FLASH1_BASE 0x60000000 +#define CFG_FLASH1_SIZE 2 + +/* What should be the base address of SDRAM DIMM and how big is + * it (in Mbytes)? +*/ +#define CFG_SDRAM0_BASE 0x00000000 +#define CFG_SDRAM0_SIZE 64 + +/* What should be the base address of the LEDs and switch S0? + * If you don't want them enabled, don't define this. + */ +#define CFG_LED_BASE 0xa0000000 + + +/* + * SBC8260 with 16 MB DIMM: + * + * 0x0000 0000 Exception Vector code, 8k + * : + * 0x0000 1FFF + * 0x0000 2000 Free for Application Use + * : + * : + * + * : + * : + * 0x00F5 FF30 Monitor Stack (Growing downward) + * Monitor Stack Buffer (0x80) + * 0x00F5 FFB0 Board Info Data + * 0x00F6 0000 Malloc Arena + * : CFG_ENV_SECT_SIZE, 256k + * : CFG_MALLOC_LEN, 128k + * 0x00FC 0000 RAM Copy of Monitor Code + * : CFG_MONITOR_LEN, 256k + * 0x00FF FFFF [End of RAM], CFG_SDRAM_SIZE - 1 + */ + +/* + * SBC8260 with 64 MB DIMM: + * + * 0x0000 0000 Exception Vector code, 8k + * : + * 0x0000 1FFF + * 0x0000 2000 Free for Application Use + * : + * : + * + * : + * : + * 0x03F5 FF30 Monitor Stack (Growing downward) + * Monitor Stack Buffer (0x80) + * 0x03F5 FFB0 Board Info Data + * 0x03F6 0000 Malloc Arena + * : CFG_ENV_SECT_SIZE, 256k + * : CFG_MALLOC_LEN, 128k + * 0x03FC 0000 RAM Copy of Monitor Code + * : CFG_MONITOR_LEN, 256k + * 0x03FF FFFF [End of RAM], CFG_SDRAM_SIZE - 1 + */ + + +/* + * 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. + */ +#define CONFIG_CONS_ON_SMC 1 /* define if console on SMC */ +#undef CONFIG_CONS_ON_SCC /* define if console on SCC */ +#undef CONFIG_CONS_NONE /* define if console on neither */ +#define CONFIG_CONS_INDEX 1 /* which SMC/SCC channel for console */ + +/* + * 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 CONFIG_ETHER_ON_FCC +#undef CONFIG_ETHER_NONE /* define if ethernet on neither */ + +#ifdef CONFIG_ETHER_ON_SCC +#define CONFIG_ETHER_INDEX 1 /* which SCC/FCC channel for ethernet */ +#endif /* CONFIG_ETHER_ON_SCC */ + +#ifdef CONFIG_ETHER_ON_FCC +#define CONFIG_ETHER_INDEX 2 /* which SCC/FCC channel for ethernet */ +#define CONFIG_MII /* MII PHY management */ +#define CONFIG_BITBANGMII /* bit-bang MII PHY management */ +/* + * Port pins used for bit-banged MII communictions (if applicable). + */ +#define MDIO_PORT 2 /* Port C */ +#define MDIO_ACTIVE (iop->pdir |= 0x00400000) +#define MDIO_TRISTATE (iop->pdir &= ~0x00400000) +#define MDIO_READ ((iop->pdat & 0x00400000) != 0) + +#define MDIO(bit) if(bit) iop->pdat |= 0x00400000; \ + else iop->pdat &= ~0x00400000 + +#define MDC(bit) if(bit) iop->pdat |= 0x00200000; \ + else iop->pdat &= ~0x00200000 + +#define MIIDELAY udelay(1) +#endif /* CONFIG_ETHER_ON_FCC */ + +#if defined(CONFIG_ETHER_ON_SCC) && (CONFIG_ETHER_INDEX == 1) + +/* + * - RX clk is CLK11 + * - TX clk is CLK12 + */ +# define CFG_CMXSCR_VALUE (CMXSCR_RS1CS_CLK11 | CMXSCR_TS1CS_CLK12) + +#elif defined(CONFIG_ETHER_ON_FCC) && (CONFIG_ETHER_INDEX == 2) + +/* + * - Rx-CLK is CLK13 + * - Tx-CLK is CLK14 + * - Select bus for bd/buffers (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) + +#endif /* CONFIG_ETHER_ON_FCC, CONFIG_ETHER_INDEX */ + +/* + * select SPI support configuration + */ +#undef CONFIG_SPI /* enable SPI driver */ + +/* + * select i2c support configuration + * + * Supported configurations are {none, software, hardware} drivers. + * If the software driver is chosen, there are some additional + * configuration items that the driver uses to drive the port pins. + */ +#undef CONFIG_HARD_I2C /* I2C with hardware support */ +#define CONFIG_SOFT_I2C 1 /* I2C bit-banged */ +#define CFG_I2C_SPEED 400000 /* I2C speed and slave address */ +#define CFG_I2C_SLAVE 0x7F + +/* + * Software (bit-bang) I2C driver configuration + */ +#ifdef CONFIG_SOFT_I2C +#define I2C_PORT 3 /* Port A=0, B=1, C=2, D=3 */ +#define I2C_ACTIVE (iop->pdir |= 0x00010000) +#define I2C_TRISTATE (iop->pdir &= ~0x00010000) +#define I2C_READ ((iop->pdat & 0x00010000) != 0) +#define I2C_SDA(bit) if(bit) iop->pdat |= 0x00010000; \ + else iop->pdat &= ~0x00010000 +#define I2C_SCL(bit) if(bit) iop->pdat |= 0x00020000; \ + else iop->pdat &= ~0x00020000 +#define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */ +#endif /* CONFIG_SOFT_I2C */ + + +/* Define this to reserve an entire FLASH sector (256 KB) for + * environment variables. Otherwise, the environment will be + * put in the same sector as U-Boot, and changing variables + * will erase U-Boot temporarily + */ +#define CFG_ENV_IN_OWN_SECT 1 + +/* Define to allow the user to overwrite serial and ethaddr */ +#define CONFIG_ENV_OVERWRITE + +/* What should the console's baud rate be? */ +#define CONFIG_BAUDRATE 9600 + +/* Ethernet MAC address */ +#define CONFIG_ETHADDR 00:a0:1e:a8:7b:cb + +/* + * Define this to set the last octet of the ethernet address from the + * DS0-DS7 switch and light the LEDs with the result. The DS0-DS7 + * switch and the LEDs are backwards with respect to each other. DS7 + * is on the board edge side of both the LED strip and the DS0-DS7 + * switch. + */ +#if 0 +# define CONFIG_MISC_INIT_R +#endif + +/* Set to a positive value to delay for running BOOTCOMMAND */ +#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ + +#if 0 +/* 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 \" \" to stop\n" +# define CONFIG_AUTOBOOT_STOP_STR " " +# undef CONFIG_AUTOBOOT_DELAY_STR +# define DEBUG_BOOTKEYS 0 +#endif + +/* Define a command string that is automatically executed when no character + * is read on the console interface withing "Boot Delay" after reset. + */ +#define CONFIG_BOOT_ROOT_INITRD 0 /* Use ram disk for the root file system */ +#define CONFIG_BOOT_ROOT_NFS 1 /* Use a NFS mounted root file system */ + +#if CONFIG_BOOT_ROOT_INITRD +#define CONFIG_BOOTCOMMAND \ + "version;" \ + "echo;" \ + "bootp;" \ + "setenv bootargs root=/dev/ram0 rw " \ + "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off;" \ + "bootm" +#endif /* CONFIG_BOOT_ROOT_INITRD */ + +#if CONFIG_BOOT_ROOT_NFS +#define CONFIG_BOOTCOMMAND \ + "version;" \ + "echo;" \ + "bootp;" \ + "setenv bootargs root=/dev/nfs rw nfsroot=$(serverip):$(rootpath) " \ + "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off;" \ + "bootm" +#endif /* CONFIG_BOOT_ROOT_NFS */ + +/* Add support for a few extra bootp options like: + * - File size + * - DNS + */ +#define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | \ + CONFIG_BOOTP_BOOTFILESIZE | \ + CONFIG_BOOTP_DNS) + +/* undef this to save memory */ +#define CFG_LONGHELP + +/* Monitor Command Prompt */ +#define CFG_PROMPT "=> " + +/* What U-Boot subsytems do you want enabled? */ +#ifdef CONFIG_ETHER_ON_FCC +# define CONFIG_COMMANDS (((CONFIG_CMD_DFL & ~(CFG_CMD_KGDB))) | \ + CFG_CMD_ELF | \ + CFG_CMD_ASKENV | \ + CFG_CMD_ECHO | \ + CFG_CMD_I2C | \ + CFG_CMD_SDRAM | \ + CFG_CMD_REGINFO | \ + CFG_CMD_IMMAP | \ + CFG_CMD_MII ) +#else +# define CONFIG_COMMANDS (((CONFIG_CMD_DFL & ~(CFG_CMD_KGDB))) | \ + CFG_CMD_ELF | \ + CFG_CMD_ASKENV | \ + CFG_CMD_ECHO | \ + CFG_CMD_I2C | \ + CFG_CMD_SDRAM | \ + CFG_CMD_REGINFO | \ + CFG_CMD_IMMAP ) +#endif /* CONFIG_ETHER_ON_FCC */ + +/* Where do the internal registers live? */ +#define CFG_IMMR 0xF0000000 + +/***************************************************************************** + * + * You should not have to modify any of the following settings + * + *****************************************************************************/ + +#define CONFIG_MPC8260 1 /* This is an MPC8260 CPU */ +#define CONFIG_SBC8260 1 /* on an EST SBC8260 Board */ + +/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ +#include <cmd_confdefs.h> + +/* + * Miscellaneous configurable options + */ +#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 + +/* Print Buffer Size */ +#define CFG_PBSIZE (CFG_CBSIZE + sizeof(CFG_PROMPT)+16) + +#define CFG_MAXARGS 32 /* max number of command args */ + +#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ + +#define CFG_LOAD_ADDR 0x140000 /* default load address */ +#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */ + +#define CFG_MEMTEST_START 0x2000 /* memtest works from the end of */ + /* the exception vector table */ + /* to the end of the DRAM */ + /* less monitor and malloc area */ +#define CFG_STACK_USAGE 0x10000 /* Reserve 64k for the stack usage */ +#define CFG_MEM_END_USAGE ( CFG_MONITOR_LEN \ + + CFG_MALLOC_LEN \ + + CFG_ENV_SECT_SIZE \ + + CFG_STACK_USAGE ) + +#define CFG_MEMTEST_END ( CFG_SDRAM_SIZE * 1024 * 1024 \ + - CFG_MEM_END_USAGE ) + +/* valid baudrates */ +#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. + */ + +#define CFG_FLASH_BASE CFG_FLASH0_BASE +#define CFG_FLASH_SIZE CFG_FLASH0_SIZE +#define CFG_SDRAM_BASE CFG_SDRAM0_BASE +#define CFG_SDRAM_SIZE CFG_SDRAM0_SIZE + +/*----------------------------------------------------------------------- + * Hard Reset Configuration Words + */ +#if defined(CFG_SBC_BOOT_LOW) +# define CFG_SBC_HRCW_BOOT_FLAGS (HRCW_CIP | HRCW_BMS) +#else +# define CFG_SBC_HRCW_BOOT_FLAGS (0) +#endif /* defined(CFG_SBC_BOOT_LOW) */ + +/* get the HRCW ISB field from CFG_IMMR */ +#define CFG_SBC_HRCW_IMMR ( ((CFG_IMMR & 0x10000000) >> 10) | \ + ((CFG_IMMR & 0x01000000) >> 7) | \ + ((CFG_IMMR & 0x00100000) >> 4) ) + +#define CFG_HRCW_MASTER ( HRCW_BPS11 | \ + HRCW_DPPC11 | \ + CFG_SBC_HRCW_IMMR | \ + HRCW_MMR00 | \ + HRCW_LBPC11 | \ + HRCW_APPC10 | \ + HRCW_CS10PC00 | \ + (CFG_SBC_MODCK_H & HRCW_MODCK_H1111) | \ + CFG_SBC_HRCW_BOOT_FLAGS ) + +/* no slaves */ +#define CFG_HRCW_SLAVE1 0 +#define CFG_HRCW_SLAVE2 0 +#define CFG_HRCW_SLAVE3 0 +#define CFG_HRCW_SLAVE4 0 +#define CFG_HRCW_SLAVE5 0 +#define CFG_HRCW_SLAVE6 0 +#define CFG_HRCW_SLAVE7 0 + +/*----------------------------------------------------------------------- + * 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 /* 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 + * Note also that the logic that sets CFG_RAMBOOT is platform dependent. + */ +#define CFG_MONITOR_BASE CFG_FLASH0_BASE + +#if (CFG_MONITOR_BASE < CFG_FLASH_BASE) +# define CFG_RAMBOOT +#endif + +#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 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 Memory map for Linux */ + +/*----------------------------------------------------------------------- + * FLASH and environment organization + */ +#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */ +#define CFG_MAX_FLASH_SECT 16 /* max number of sectors on one chip */ + +#define CFG_FLASH_ERASE_TOUT 8000 /* Timeout for Flash Erase (in ms) */ +#define CFG_FLASH_WRITE_TOUT 1 /* Timeout for Flash Write (in ms) */ + +#ifndef CFG_RAMBOOT +# define CFG_ENV_IS_IN_FLASH 1 + +# ifdef CFG_ENV_IN_OWN_SECT +# define CFG_ENV_ADDR (CFG_MONITOR_BASE + 0x40000) +# define CFG_ENV_SECT_SIZE 0x40000 +# else +# define CFG_ENV_ADDR (CFG_FLASH_BASE + CFG_MONITOR_LEN - CFG_ENV_SECT_SIZE) +# define CFG_ENV_SIZE 0x1000 /* Total Size of Environment Sector */ +# define CFG_ENV_SECT_SIZE 0x10000 /* see README - env sect real size */ +# endif /* CFG_ENV_IN_OWN_SECT */ + +#else +# define CFG_ENV_IS_IN_NVRAM 1 +# define CFG_ENV_ADDR (CFG_MONITOR_BASE - 0x1000) +# define CFG_ENV_SIZE 0x200 +#endif /* CFG_RAMBOOT */ + +/*----------------------------------------------------------------------- + * 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) + +#define CFG_HID0_FINAL (HID0_ICE |\ + HID0_IFEM |\ + HID0_ABE |\ + HID0_EMCP) +#define CFG_HID2 0 + +/*----------------------------------------------------------------------- + * RMR - Reset Mode Register + *----------------------------------------------------------------------- + */ +#define CFG_RMR 0 + +/*----------------------------------------------------------------------- + * BCR - Bus Configuration 4-25 + *----------------------------------------------------------------------- + */ +#define CFG_BCR (BCR_ETM) + +/*----------------------------------------------------------------------- + * SIUMCR - SIU Module Configuration 4-31 + *----------------------------------------------------------------------- + */ + +#define CFG_SIUMCR (SIUMCR_DPPC11 |\ + SIUMCR_L2CPC00 |\ + SIUMCR_APPC10 |\ + SIUMCR_MMR00) + + +/*----------------------------------------------------------------------- + * SYPCR - System Protection Control 11-9 + * SYPCR can only be written once after reset! + *----------------------------------------------------------------------- + * Watchdog & Bus Monitor Timer max, 60x Bus Monitor enable + */ +#define CFG_SYPCR (SYPCR_SWTC |\ + SYPCR_BMT |\ + SYPCR_PBME |\ + SYPCR_LBME |\ + SYPCR_SWRI |\ + SYPCR_SWP) + +/*----------------------------------------------------------------------- + * 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 + *----------------------------------------------------------------------- + */ +#define CFG_SCCR 0 + +/*----------------------------------------------------------------------- + * RCCR - RISC Controller Configuration 13-7 + *----------------------------------------------------------------------- + */ +#define CFG_RCCR 0 + +/* + * Initialize Memory Controller: + * + * Bank Bus Machine PortSz Device + * ---- --- ------- ------ ------ + * 0 60x GPCM 32 bit FLASH (SIMM - 4MB) * + * 1 60x GPCM 32 bit FLASH (SIMM - Unused) + * 2 60x SDRAM 64 bit SDRAM (DIMM - 16MB or 64MB) + * 3 60x SDRAM 64 bit SDRAM (DIMM - Unused) + * 4 Local SDRAM 32 bit SDRAM (on board - 4MB) + * 5 60x GPCM 8 bit EEPROM (8KB) + * 6 60x GPCM 8 bit FLASH (on board - 2MB) * + * 7 60x GPCM 8 bit LEDs, switches + * + * (*) This configuration requires the SBC8260 be configured + * so that *CS0 goes to the FLASH SIMM, and *CS6 goes to + * the on board FLASH. In other words, JP24 should have + * pins 1 and 2 jumpered and pins 3 and 4 jumpered. + * + */ + +/*----------------------------------------------------------------------- + * BR0,BR1 - Base Register + * Ref: Section 10.3.1 on page 10-14 + * OR0,OR1 - Option Register + * Ref: Section 10.3.2 on page 10-18 + *----------------------------------------------------------------------- + */ + +/* Bank 0,1 - FLASH SIMM + * + * This expects the FLASH SIMM to be connected to *CS0 + * It consists of 4 AM29F080B parts. + * + * Note: For the 4 MB SIMM, *CS1 is unused. + */ + +/* BR0 is configured as follows: + * + * - Base address of 0x40000000 + * - 32 bit port size + * - Data errors checking is disabled + * - Read and write access + * - GPCM 60x bus + * - Access are handled by the memory controller according to MSEL + * - Not used for atomic operations + * - No data pipelining is done + * - Valid + */ +#define CFG_BR0_PRELIM ((CFG_FLASH0_BASE & BRx_BA_MSK) |\ + BRx_PS_32 |\ + BRx_MS_GPCM_P |\ + BRx_V) + +/* OR0 is configured as follows: + * + * - 4 MB + * - *BCTL0 is asserted upon access to the current memory bank + * - *CW / *WE are negated a quarter of a clock earlier + * - *CS is output at the same time as the address lines + * - Uses a clock cycle length of 5 + * - *PSDVAL is generated internally by the memory controller + * unless *GTA is asserted earlier externally. + * - Relaxed timing is generated by the GPCM for accesses + * initiated to this memory region. + * - One idle clock is inserted between a read access from the + * current bank and the next access. + */ +#define CFG_OR0_PRELIM (MEG_TO_AM(CFG_FLASH0_SIZE) |\ + ORxG_CSNT |\ + ORxG_ACS_DIV1 |\ + ORxG_SCY_5_CLK |\ + ORxG_TRLX |\ + ORxG_EHTR) + +/*----------------------------------------------------------------------- + * BR2,BR3 - Base Register + * Ref: Section 10.3.1 on page 10-14 + * OR2,OR3 - Option Register + * Ref: Section 10.3.2 on page 10-16 + *----------------------------------------------------------------------- + */ + +/* Bank 2,3 - SDRAM DIMM + * + * 16MB DIMM: P/N + * 64MB DIMM: P/N 1W-8864X8-4-P1-EST + * + * Note: *CS3 is unused for this DIMM + */ + +/* With a 16 MB or 64 MB DIMM, the BR2 is configured as follows: + * + * - Base address of 0x00000000 + * - 64 bit port size (60x bus only) + * - Data errors checking is disabled + * - Read and write access + * - SDRAM 60x bus + * - Access are handled by the memory controller according to MSEL + * - Not used for atomic operations + * - No data pipelining is done + * - Valid + */ +#define CFG_BR2_PRELIM ((CFG_SDRAM0_BASE & BRx_BA_MSK) |\ + BRx_PS_64 |\ + BRx_MS_SDRAM_P |\ + BRx_V) + +#define CFG_BR3_PRELIM ((CFG_SDRAM0_BASE & BRx_BA_MSK) |\ + BRx_PS_64 |\ + BRx_MS_SDRAM_P |\ + BRx_V) + +/* With a 16 MB DIMM, the OR2 is configured as follows: + * + * - 16 MB + * - 2 internal banks per device + * - Row start address bit is A9 with PSDMR[PBI] = 0 + * - 11 row address lines + * - Back-to-back page mode + * - Internal bank interleaving within save device enabled + */ +#if (CFG_SDRAM0_SIZE == 16) +#define CFG_OR2_PRELIM (MEG_TO_AM(CFG_SDRAM0_SIZE) |\ + ORxS_BPD_2 |\ + ORxS_ROWST_PBI0_A9 |\ + ORxS_NUMR_11) +#endif + +/* With a 64 MB DIMM, the OR2 is configured as follows: + * + * - 64 MB + * - 4 internal banks per device + * - Row start address bit is A8 with PSDMR[PBI] = 0 + * - 12 row address lines + * - Back-to-back page mode + * - Internal bank interleaving within save device enabled + */ +#if (CFG_SDRAM0_SIZE == 64) +#define CFG_OR2_PRELIM (MEG_TO_AM(CFG_SDRAM0_SIZE) |\ + ORxS_BPD_4 |\ + ORxS_ROWST_PBI0_A8 |\ + ORxS_NUMR_12) +#endif + +/*----------------------------------------------------------------------- + * PSDMR - 60x Bus SDRAM Mode Register + * Ref: Section 10.3.3 on page 10-21 + *----------------------------------------------------------------------- + */ + +/* Address that the DIMM SPD memory lives at. + */ +#define SDRAM_SPD_ADDR 0x54 + +#if (CFG_SDRAM0_SIZE == 16) +/* With a 16 MB DIMM, the PSDMR is configured as follows: + * + * - Bank Based Interleaving, + * - Refresh Enable, + * - Address Multiplexing where A5 is output on A14 pin + * (A6 on A15, and so on), + * - use address pins A16-A18 as bank select, + * - A9 is output on SDA10 during an ACTIVATE command, + * - earliest timing for ACTIVATE command after REFRESH command is 7 clocks, + * - earliest timing for ACTIVATE or REFRESH command after PRECHARGE command + * is 3 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_RFEN |\ + PSDMR_SDAM_A14_IS_A5 |\ + PSDMR_BSMA_A16_A18 |\ + PSDMR_SDA10_PBI0_A9 |\ + PSDMR_RFRC_7_CLK |\ + PSDMR_PRETOACT_3W |\ + PSDMR_ACTTORW_2W |\ + PSDMR_LDOTOPRE_1C |\ + PSDMR_WRC_1C |\ + PSDMR_CL_2) +#endif + +#if (CFG_SDRAM0_SIZE == 64) +/* With a 64 MB DIMM, the PSDMR is configured as follows: + * + * - Bank Based Interleaving, + * - Refresh Enable, + * - Address Multiplexing where A5 is output on A14 pin + * (A6 on A15, and so on), + * - use address pins A14-A16 as bank select, + * - A9 is output on SDA10 during an ACTIVATE command, + * - earliest timing for ACTIVATE command after REFRESH command is 7 clocks, + * - earliest timing for ACTIVATE or REFRESH command after PRECHARGE command + * is 3 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_RFEN |\ + PSDMR_SDAM_A14_IS_A5 |\ + PSDMR_BSMA_A14_A16 |\ + PSDMR_SDA10_PBI0_A9 |\ + PSDMR_RFRC_7_CLK |\ + PSDMR_PRETOACT_3W |\ + PSDMR_ACTTORW_2W |\ + PSDMR_LDOTOPRE_1C |\ + PSDMR_WRC_1C |\ + PSDMR_CL_2) +#endif + +/* + * Shoot for approximately 1MHz on the prescaler. + */ +#if (CONFIG_8260_CLKIN == (66 * 1000 * 1000)) +#define CFG_MPTPR MPTPR_PTP_DIV64 +#elif (CONFIG_8260_CLKIN == (33 * 1000 * 1000)) +#define CFG_MPTPR MPTPR_PTP_DIV32 +#else +#warning "Unconfigured bus clock freq: check CFG_MPTPR and CFG_PSRT are OK" +#define CFG_MPTPR MPTPR_PTP_DIV32 +#endif +#define CFG_PSRT 14 + + +/* Bank 4 - On board SDRAM + * + * This is not implemented yet. + */ + +/*----------------------------------------------------------------------- + * BR6 - Base Register + * Ref: Section 10.3.1 on page 10-14 + * OR6 - Option Register + * Ref: Section 10.3.2 on page 10-18 + *----------------------------------------------------------------------- + */ + +/* Bank 6 - On board FLASH + * + * This expects the on board FLASH SIMM to be connected to *CS6 + * It consists of 1 AM29F016A part. + */ +#if (defined(CFG_FLASH1_BASE) && defined(CFG_FLASH1_SIZE)) + +/* BR6 is configured as follows: + * + * - Base address of 0x60000000 + * - 8 bit port size + * - Data errors checking is disabled + * - Read and write access + * - GPCM 60x bus + * - Access are handled by the memory controller according to MSEL + * - Not used for atomic operations + * - No data pipelining is done + * - Valid + */ +# define CFG_BR6_PRELIM ((CFG_FLASH1_BASE & BRx_BA_MSK) |\ + BRx_PS_8 |\ + BRx_MS_GPCM_P |\ + BRx_V) + +/* OR6 is configured as follows: + * + * - 2 MB + * - *BCTL0 is asserted upon access to the current memory bank + * - *CW / *WE are negated a quarter of a clock earlier + * - *CS is output at the same time as the address lines + * - Uses a clock cycle length of 5 + * - *PSDVAL is generated internally by the memory controller + * unless *GTA is asserted earlier externally. + * - Relaxed timing is generated by the GPCM for accesses + * initiated to this memory region. + * - One idle clock is inserted between a read access from the + * current bank and the next access. + */ +# define CFG_OR6_PRELIM (MEG_TO_AM(CFG_FLASH1_SIZE) |\ + ORxG_CSNT |\ + ORxG_ACS_DIV1 |\ + ORxG_SCY_5_CLK |\ + ORxG_TRLX |\ + ORxG_EHTR) +#endif /* (defined(CFG_FLASH1_BASE) && defined(CFG_FLASH1_SIZE)) */ + +/*----------------------------------------------------------------------- + * BR7 - Base Register + * Ref: Section 10.3.1 on page 10-14 + * OR7 - Option Register + * Ref: Section 10.3.2 on page 10-18 + *----------------------------------------------------------------------- + */ + +/* Bank 7 - LEDs and switches + * + * LEDs are at 0x00001 (write only) + * switches are at 0x00001 (read only) + */ +#ifdef CFG_LED_BASE + +/* BR7 is configured as follows: + * + * - Base address of 0xA0000000 + * - 8 bit port size + * - Data errors checking is disabled + * - Read and write access + * - GPCM 60x bus + * - Access are handled by the memory controller according to MSEL + * - Not used for atomic operations + * - No data pipelining is done + * - Valid + */ +# define CFG_BR7_PRELIM ((CFG_LED_BASE & BRx_BA_MSK) |\ + BRx_PS_8 |\ + BRx_MS_GPCM_P |\ + BRx_V) + +/* OR7 is configured as follows: + * + * - 1 byte + * - *BCTL0 is asserted upon access to the current memory bank + * - *CW / *WE are negated a quarter of a clock earlier + * - *CS is output at the same time as the address lines + * - Uses a clock cycle length of 15 + * - *PSDVAL is generated internally by the memory controller + * unless *GTA is asserted earlier externally. + * - Relaxed timing is generated by the GPCM for accesses + * initiated to this memory region. + * - One idle clock is inserted between a read access from the + * current bank and the next access. + */ +# define CFG_OR7_PRELIM (ORxG_AM_MSK |\ + ORxG_CSNT |\ + ORxG_ACS_DIV1 |\ + ORxG_SCY_15_CLK |\ + ORxG_TRLX |\ + ORxG_EHTR) +#endif /* CFG_LED_BASE */ + +/* + * Internal Definitions + * + * Boot Flags + */ +#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ +#define BOOTFLAG_WARM 0x02 /* Software reboot */ + +#endif /* __CONFIG_H */ |