| /* |
| * (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 <jmonkman@adventnetworks.com> |
| * |
| * (C) Copyright 2001 |
| * Advent Networks, Inc. <http://www.adventnetworks.com> |
| * Oliver Brown <obrown@adventnetworks.com> |
| * |
| * 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 |
| */ |
| |
| /*********************************************************************/ |
| /* DESCRIPTION: |
| * This file contains the board configuartion for the GW8260 board. |
| * |
| * MODULE DEPENDENCY: |
| * None |
| * |
| * RESTRICTIONS/LIMITATIONS: |
| * None |
| * |
| * Copyright (c) 2001, Advent Networks, Inc. |
| */ |
| /*********************************************************************/ |
| |
| #ifndef __CONFIG_H |
| #define __CONFIG_H |
| |
| /* Enable debug prints */ |
| #undef DEBUG /* General debug */ |
| #undef DEBUG_BOOTP_EXT /* Debug received vendor fields */ |
| |
| /* 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 |
| * ------- ---------- --- --- ---- ----- ----- ----- |
| * 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 8 |
| |
| /* Define CFG_FLASH_CHECKSUM to enable flash checksum during boot. |
| * Note: the 'flashchecksum' environment variable must also be set to 'y'. |
| */ |
| #define CFG_FLASH_CHECKSUM |
| |
| /* 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 |
| |
| /* |
| * DRAM tests |
| * CFG_DRAM_TEST - enables the following tests. |
| * |
| * CFG_DRAM_TEST_DATA - Enables test for shorted or open data lines |
| * Environment variable 'test_dram_data' must be |
| * set to 'y'. |
| * CFG_DRAM_TEST_DATA - Enables test to verify that each word is uniquely |
| * addressable. Environment variable |
| * 'test_dram_address' must be set to 'y'. |
| * CFG_DRAM_TEST_WALK - Enables test a 64-bit walking ones pattern test. |
| * This test takes about 6 minutes to test 64 MB. |
| * Environment variable 'test_dram_walk' must be |
| * set to 'y'. |
| */ |
| #define CFG_DRAM_TEST |
| #if defined(CFG_DRAM_TEST) |
| #define CFG_DRAM_TEST_DATA |
| #define CFG_DRAM_TEST_ADDRESS |
| #define CFG_DRAM_TEST_WALK |
| #endif /* CFG_DRAM_TEST */ |
| |
| /* |
| * GW8260 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 |
| */ |
| |
| /* |
| * GW8260 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_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) |
| |
| #elif defined(CONFIG_ETHER_ON_FCC) && (CONFIG_ETHER_INDEX == 3) |
| |
| /* |
| * - Rx-CLK is CLK15 |
| * - Tx-CLK is CLK16 |
| * - Select bus for bd/buffers (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) |
| |
| #endif /* CONFIG_ETHER_ON_FCC, CONFIG_ETHER_INDEX */ |
| |
| /* 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 |
| |
| /* 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 115200 |
| |
| /* Ethernet MAC address - This is set to all zeros to force an |
| * an error if we use BOOTP without setting |
| * the MAC address |
| */ |
| #define CONFIG_ETHADDR 00:00:00:00:00:00 |
| |
| /* Set to a positive value to delay for running BOOTCOMMAND */ |
| #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ |
| |
| /* 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 |
| |
| /* 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? */ |
| #define CONFIG_COMMANDS (((CONFIG_CMD_DFL & ~(CFG_CMD_KGDB))) | \ |
| CFG_CMD_BEDBUG | \ |
| CFG_CMD_ELF | \ |
| CFG_CMD_ASKENV | \ |
| CFG_CMD_REGINFO | \ |
| CFG_CMD_IMMAP | \ |
| CFG_CMD_MII) |
| |
| /* Where do the internal registers live? */ |
| #define CFG_IMMR 0xf0000000 |
| |
| /* Use the HUSH parser */ |
| #define CFG_HUSH_PARSER |
| #ifdef CFG_HUSH_PARSER |
| #define CFG_PROMPT_HUSH_PS2 "> " |
| #endif |
| |
| /* What is the address of IO controller */ |
| #define CFG_IO_BASE 0xe0000000 |
| |
| /***************************************************************************** |
| * |
| * You should not have to modify any of the following settings |
| * |
| *****************************************************************************/ |
| |
| #define CONFIG_MPC8260 1 /* This is an MPC8260 CPU */ |
| #define CONFIG_GW8260 1 /* on an GW8260 Board */ |
| #define CONFIG_CPM2 1 /* Has a CPM2 */ |
| |
| /* 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 8 /* max number of command args */ |
| |
| #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ |
| |
| /* Convert clocks to MHZ when passing board info to kernel. |
| * This must be defined for eariler 2.4 kernels (~2.4.4). |
| */ |
| #define CONFIG_CLOCKS_IN_MHZ |
| |
| #define CFG_LOAD_ADDR 0x100000 /* default load address */ |
| #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */ |
| |
| |
| /* memtest works from the end of the exception vector table |
| * to the end of the DRAM less monitor and malloc area |
| */ |
| #define CFG_MEMTEST_START 0x2000 |
| |
| #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 |
| |
| #define CFG_MONITOR_LEN (256 * 1024) /* Reserve 256 kB for Monitor */ |
| #define CFG_MALLOC_LEN (128 * 1024) /* 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 * 1024 * 1024) /* 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 32 /* 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) */ |
| |
| #define CFG_ENV_IS_IN_FLASH 1 |
| |
| #ifdef CFG_ENV_IN_OWN_SECT |
| # define CFG_ENV_ADDR (CFG_MONITOR_BASE + (256 * 1024)) |
| # define CFG_ENV_SECT_SIZE (256 * 1024) |
| #else |
| # define CFG_ENV_SIZE (16 * 1024)/* Size of Environment Sector */ |
| # define CFG_ENV_ADD ((CFG_MONITOR_BASE + CFG_MONITOR_LEN) - CFG_ENV_SIZE) |
| # define CFG_ENV_SECT_SIZE (256 * 1024)/* see README - env sect real size */ |
| #endif /* CFG_ENV_IN_OWN_SECT */ |
| |
| /*----------------------------------------------------------------------- |
| * 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 unused |
| * 2 60x SDRAM 64 bit SDRAM (DIMM - 16MB or 64MB) |
| * 3 60x SDRAM 64 bit unused |
| * 4 Local GPCM 8 bit IO (on board - 64k) |
| * 5 60x GPCM 8 bit unused |
| * 6 60x GPCM 8 bit unused |
| * 7 60x GPCM 8 bit unused |
| * |
| */ |
| |
| /*----------------------------------------------------------------------- |
| * BR0 - Base Register |
| * Ref: Section 10.3.1 on page 10-14 |
| * OR0 - 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 AM29F016D parts. |
| * |
| * Note: For the 8 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: |
| * |
| * - 8 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 - Base Register |
| * Ref: Section 10.3.1 on page 10-14 |
| * OR2 - Option Register |
| * Ref: Section 10.3.2 on page 10-16 |
| *----------------------------------------------------------------------- |
| */ |
| |
| /* Bank 2 - SDRAM DIMM |
| * |
| * 16MB DIMM: P/N |
| * 64MB DIMM: P/N 1W-8864X8-4-P1-EST or |
| * MT4LSDT864AG-10EB1 (Micron) |
| * |
| * 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) |
| |
| /* 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) |
| |
| /* With a 16 MB DIMM, the PSDMR is configured as follows: |
| * |
| * - Page 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. |
| */ |
| |
| /*----------------------------------------------------------------------- |
| * PSDMR - 60x Bus SDRAM Mode Register |
| * Ref: Section 10.3.3 on page 10-21 |
| *----------------------------------------------------------------------- |
| */ |
| #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 /* (CFG_SDRAM0_SIZE == 16) */ |
| |
| /* 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) |
| |
| /* With a 64 MB DIMM, the PSDMR is configured as follows: |
| * |
| * - Page 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. |
| */ |
| |
| /*----------------------------------------------------------------------- |
| * PSDMR - 60x Bus SDRAM Mode Register |
| * Ref: Section 10.3.3 on page 10-21 |
| *----------------------------------------------------------------------- |
| */ |
| #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 /* (CFG_SDRAM0_SIZE == 64) */ |
| |
| #define CFG_PSRT 0x0e |
| #define CFG_MPTPR MPTPR_PTP_DIV32 |
| |
| |
| /*----------------------------------------------------------------------- |
| * BR4 - Base Register |
| * Ref: Section 10.3.1 on page 10-14 |
| * OR4 - Option Register |
| * Ref: Section 10.3.2 on page 10-18 |
| *----------------------------------------------------------------------- |
| */ |
| /* Bank 4 - Onboard Memory Mapped IO controller |
| * |
| * This expects the onboard IO controller to connected to *CS4 and |
| * the local bus. |
| * - Base address of 0xe0000000 |
| * - 8 bit port size (local bus only) |
| * - Read and write access |
| * - GPCM local bus |
| * - Not used for atomic operations |
| * - No data pipelining is done |
| * - Valid |
| * - extended hold time |
| * - 11 wait states |
| */ |
| |
| #ifdef CFG_IO_BASE |
| # define CFG_BR4_PRELIM ((CFG_IO_BASE & BRx_BA_MSK) |\ |
| BRx_PS_8 |\ |
| BRx_MS_GPCM_L |\ |
| BRx_V) |
| |
| # define CFG_OR4_PRELIM (ORxG_AM_MSK |\ |
| ORxG_SCY_11_CLK |\ |
| ORxG_EHTR) |
| #endif /* CFG_IO_BASE */ |
| |
| /* |
| * Internal Definitions |
| * |
| * Boot Flags |
| */ |
| #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ |
| #define BOOTFLAG_WARM 0x02 /* Software reboot */ |
| |
| #endif /* __CONFIG_H */ |
