| /* |
| * (C) Copyright 2001 |
| * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| * |
| * (C) Copyright 2002 |
| * Gregory E. Allen, gallen@arlut.utexas.edu |
| * Matthew E. Karger, karger@arlut.utexas.edu |
| * Applied Research Laboratories, The University of Texas at Austin |
| * |
| * 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 |
| */ |
| |
| /* |
| * |
| * Configuration settings for the utx8245 board. |
| * |
| */ |
| |
| /* ------------------------------------------------------------------------- */ |
| |
| /* |
| * board/config.h - configuration options, board specific |
| */ |
| |
| #ifndef __CONFIG_H |
| #define __CONFIG_H |
| |
| /* |
| * High Level Configuration Options |
| * (easy to change) |
| */ |
| |
| #define CONFIG_MPC824X 1 |
| #define CONFIG_MPC8245 1 |
| #define CONFIG_UTX8245 1 |
| #define DEBUG 1 |
| |
| #define CONFIG_CONS_INDEX 1 |
| #define CONFIG_BAUDRATE 57600 |
| #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } |
| |
| #define CONFIG_BOOTDELAY 5 |
| #define CONFIG_AUTOBOOT_PROMPT "autoboot in %d seconds\n" |
| #define CONFIG_BOOTCOMMAND "bootm FF920000 FF800000" /* autoboot command */ |
| #define CONFIG_BOOTARGS "root=/dev/ram console=ttyS0,57600" /* RAMdisk */ |
| #define CONFIG_ETHADDR 41:52:4c:61:00:01 /* MAC address */ |
| #define CONFIG_SERVERIP 10.8.17.105 |
| #define CONFIG_ENV_OVERWRITE |
| |
| #define CONFIG_COMMANDS (CFG_CMD_DFL | CFG_CMD_BDI | CFG_CMD_PCI \ |
| | CFG_CMD_FLASH | CFG_CMD_MEMORY \ |
| | CFG_CMD_ENV | CFG_CMD_CONSOLE \ |
| | CFG_CMD_LOADS | CFG_CMD_LOADB \ |
| | CFG_CMD_IMI | CFG_CMD_CACHE \ |
| | CFG_CMD_RUN | CFG_CMD_ECHO \ |
| | CFG_CMD_REGINFO | CFG_CMD_NET\ |
| | CFG_CMD_DHCP) |
| |
| /* This must be included AFTER the definition of CONFIG_COMMANDS (if any) |
| */ |
| #include <cmd_confdefs.h> |
| |
| |
| /* |
| * Miscellaneous configurable options |
| */ |
| #define CFG_LONGHELP /* undef to save memory */ |
| #define CFG_PROMPT "=> " /* Monitor Command Prompt */ |
| #define CFG_CBSIZE 256 /* Console I/O Buffer Size */ |
| |
| /* Print Buffer Size */ |
| #define CFG_PBSIZE (CFG_CBSIZE + sizeof(CFG_PROMPT) + 16) |
| |
| #define CFG_MAXARGS 16 /* max number of command args */ |
| #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ |
| #define CFG_LOAD_ADDR 0x00100000 /* Default load address */ |
| |
| |
| /*----------------------------------------------------------------------- |
| * PCI configuration |
| *----------------------------------------------------------------------- |
| */ |
| #define CONFIG_PCI /* include pci support */ |
| #undef CONFIG_PCI_PNP |
| #define CONFIG_PCI_SCAN_SHOW |
| #define CONFIG_NET_MULTI |
| #define CONFIG_EEPRO100 |
| |
| #define PCI_ENET0_IOADDR 0x80000000 |
| #define PCI_ENET0_MEMADDR 0x80000000 |
| #define PCI_FIREWIRE_IOADDR 0x81000000 |
| #define PCI_FIREWIRE_MEMADDR 0x81000000 |
| |
| |
| /*----------------------------------------------------------------------- |
| * 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_MAX_RAM_SIZE 0x10000000 /* amount of SDRAM */ |
| |
| |
| /* even though FLASHP_BASE is FF800000, with 2MB on RCS0, the |
| * reset vector is actually located at FF800100, but the 8245 |
| * takes care of us. |
| */ |
| #define CFG_RESET_ADDRESS 0xFFF00100 |
| |
| #define CFG_EUMB_ADDR 0xFC000000 |
| |
| #define CFG_MONITOR_BASE TEXT_BASE |
| |
| #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ |
| #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */ |
| |
| /*#define CFG_DRAM_TEST 1 */ |
| #define CFG_MEMTEST_START 0x00003000 /* memtest works on 0...256 MB */ |
| #define CFG_MEMTEST_END 0x0ff8ffa8 /* in SDRAM, skips exception */ |
| /* vectors and U-Boot */ |
| |
| |
| /*-------------------------------------------------------------------- |
| * Definitions for initial stack pointer and data area |
| *------------------------------------------------------------------*/ |
| #define CFG_GBL_DATA_SIZE 128 /* Size in bytes reserved for */ |
| /* initial data */ |
| #define CFG_INIT_RAM_ADDR 0x40000000 |
| #define CFG_INIT_RAM_END 0x1000 |
| #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) |
| |
| /*-------------------------------------------------------------------- |
| * NS16550 Configuration |
| *------------------------------------------------------------------*/ |
| #define CFG_NS16550 |
| #define CFG_NS16550_SERIAL |
| |
| #define CFG_NS16550_REG_SIZE 1 |
| |
| #define CFG_NS16550_CLK get_bus_freq(0) |
| |
| #define CFG_NS16550_COM1 (CFG_EUMB_ADDR + 0x4500) |
| #define CFG_NS16550_COM2 (CFG_EUMB_ADDR + 0x4600) |
| |
| /*-------------------------------------------------------------------- |
| * Low Level Configuration Settings |
| * (address mappings, register initial values, etc.) |
| * You should know what you are doing if you make changes here. |
| * For the detail description refer to the MPC8240 user's manual. |
| *------------------------------------------------------------------*/ |
| |
| #define CONFIG_SYS_CLK_FREQ 33000000 |
| #define CFG_HZ 1000 |
| |
| #define CFG_ETH_DEV_FN 0x7800 |
| #define CFG_ETH_IOBASE 0x00104000 |
| |
| |
| /*-------------------------------------------------------------------- |
| * Memory Control Configuration Register values |
| * - see sec. 4.12 of MPC8245 UM |
| *------------------------------------------------------------------*/ |
| |
| /* MCCR1 */ |
| #define CFG_ROMNAL 0 |
| #define CFG_ROMFAL 2 /* (tacc=70ns)*mem_freq - 2 */ |
| #define CFG_BANK0_ROW 2 /* SDRAM bank 7-0 row address */ |
| #define CFG_BANK1_ROW 2 /* bit count */ |
| #define CFG_BANK2_ROW 0 |
| #define CFG_BANK3_ROW 0 |
| #define CFG_BANK4_ROW 0 |
| #define CFG_BANK5_ROW 0 |
| #define CFG_BANK6_ROW 0 |
| #define CFG_BANK7_ROW 0 |
| |
| /* MCCR2, refresh interval clock cycles */ |
| #define CFG_REFINT 480 /* 33 MHz SDRAM clock was 480 */ |
| |
| /* Burst To Precharge. Bits of this value go to MCCR3 and MCCR4 */ |
| #define CFG_BSTOPRE 1023 /* burst to precharge[0..9], */ |
| /* sets open page interval */ |
| |
| /* MCCR3 */ |
| #define CFG_REFREC 5 /* Refresh to activate interval, trc */ |
| |
| /* MCCR4 */ |
| #define CFG_PRETOACT 2 /* trp */ |
| #define CFG_ACTTOPRE 7 /* trcd + (burst length - 1) + tdrl */ |
| #define CFG_SDMODE_CAS_LAT 3 /* SDMODE CAS latancy */ |
| #define CFG_SDMODE_WRAP 0 /* SDMODE wrap type, sequential */ |
| #define CFG_ACTORW 2 /* trcd min */ |
| #define CFG_DBUS_SIZE2 1 /* set for 8-bit RCS1, clear for 32,64 */ |
| #define CFG_REGISTERD_TYPE_BUFFER 1 |
| #define CFG_EXTROM 1 |
| #define CFG_REGDIMM 0 |
| |
| /* calculate according to formula in sec. 6-22 of 8245 UM */ |
| #define CFG_PGMAX 50 /* how long the 8245 retains the */ |
| /* currently accessed page in memory */ |
| /* was 45 */ |
| |
| #define CFG_SDRAM_DSCD 0x20 /* SDRAM data in sample clock delay - note */ |
| /* bottom 3 bits MUST be 0 */ |
| |
| #define CFG_DLL_MAX_DELAY 0x04 |
| #define CFG_DLL_EXTEND 0x80 |
| #define CFG_PCI_HOLD_DEL 0x20 |
| |
| |
| /* Memory bank settings. |
| * Only bits 20-29 are actually used from these values to set the |
| * start/end addresses. The upper two bits will always be 0, and the lower |
| * 20 bits will be 0x00000 for a start address, or 0xfffff for an end |
| * address. Refer to the MPC8245 user manual. |
| */ |
| |
| #define CFG_BANK0_START 0x00000000 |
| #define CFG_BANK0_END (CFG_MAX_RAM_SIZE/2 - 1) |
| #define CFG_BANK0_ENABLE 1 |
| #define CFG_BANK1_START CFG_MAX_RAM_SIZE/2 |
| #define CFG_BANK1_END (CFG_MAX_RAM_SIZE - 1) |
| #define CFG_BANK1_ENABLE 1 |
| #define CFG_BANK2_START 0x3ff00000 /* not available in this design */ |
| #define CFG_BANK2_END 0x3fffffff |
| #define CFG_BANK2_ENABLE 0 |
| #define CFG_BANK3_START 0x3ff00000 |
| #define CFG_BANK3_END 0x3fffffff |
| #define CFG_BANK3_ENABLE 0 |
| #define CFG_BANK4_START 0x3ff00000 |
| #define CFG_BANK4_END 0x3fffffff |
| #define CFG_BANK4_ENABLE 0 |
| #define CFG_BANK5_START 0x3ff00000 |
| #define CFG_BANK5_END 0x3fffffff |
| #define CFG_BANK5_ENABLE 0 |
| #define CFG_BANK6_START 0x3ff00000 |
| #define CFG_BANK6_END 0x3fffffff |
| #define CFG_BANK6_ENABLE 0 |
| #define CFG_BANK7_START 0x3ff00000 |
| #define CFG_BANK7_END 0x3fffffff |
| #define CFG_BANK7_ENABLE 0 |
| |
| /*-------------------------------------------------------------------- |
| * 4.4 - Output Driver Control Register |
| *------------------------------------------------------------------*/ |
| #define CFG_ODCR 0xe5 |
| |
| /*-------------------------------------------------------------------- |
| * 4.8 - Error Handling Registers |
| *------------------------------------------------------------------*/ |
| #define CFG_ERRENR1 0x11 /* enable SDRAM refresh overflow error */ |
| |
| /* SDRAM 0-256 MB */ |
| #define CFG_IBAT0L (CFG_SDRAM_BASE | BATL_PP_10 | BATL_MEMCOHERENCE) |
| #define CFG_IBAT0U (CFG_SDRAM_BASE | BATU_BL_256M | BATU_VS | BATU_VP) |
| |
| /* stack in dcache */ |
| #define CFG_IBAT1L (CFG_INIT_RAM_ADDR | BATL_PP_10 | BATL_MEMCOHERENCE) |
| #define CFG_IBAT1U (CFG_INIT_RAM_ADDR | BATU_BL_128K | BATU_VS | BATU_VP) |
| |
| /* PCI memory */ |
| #define CFG_IBAT2L (0x80000000 | BATL_PP_10 | BATL_CACHEINHIBIT) |
| #define CFG_IBAT2U (0x80000000 | BATU_BL_256M | BATU_VS | BATU_VP) |
| |
| /* Flash, config addrs, etc. */ |
| #define CFG_IBAT3L (0xF0000000 | BATL_PP_10 | BATL_CACHEINHIBIT) |
| #define CFG_IBAT3U (0xF0000000 | BATU_BL_256M | BATU_VS | BATU_VP) |
| |
| #define CFG_DBAT0L CFG_IBAT0L |
| #define CFG_DBAT0U CFG_IBAT0U |
| #define CFG_DBAT1L CFG_IBAT1L |
| #define CFG_DBAT1U CFG_IBAT1U |
| #define CFG_DBAT2L CFG_IBAT2L |
| #define CFG_DBAT2U CFG_IBAT2U |
| #define CFG_DBAT3L CFG_IBAT3L |
| #define CFG_DBAT3U CFG_IBAT3U |
| |
| /* |
| * For booting Linux, the board info and command line data |
| * have to be in the first 8 MB of memory, since this is |
| * the maximum mapped by the Linux kernel during initialization. |
| */ |
| #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ |
| |
| /*----------------------------------------------------------------------- |
| * FLASH organization (AMD AM29LV116D) |
| */ |
| #define CFG_FLASH_BASE 0xFF800000 |
| |
| #define CFG_MAX_FLASH_BANKS 1 /* Max number of flash banks */ |
| #define CFG_MAX_FLASH_SECT 35 /* Max number of sectors in one bank */ |
| |
| #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ |
| #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ |
| |
| /* Warning: environment is not EMBEDDED in the U-Boot code. |
| * It's stored in flash separately. |
| */ |
| #define CFG_ENV_IS_IN_FLASH 1 |
| |
| #define CFG_ENV_ADDR 0xFF9FA000 /* flash sector SA33 */ |
| #define CFG_ENV_SIZE 0x2000 /* Size of the Environment */ |
| #define CFG_ENV_OFFSET 0 /* starting right at the beginning */ |
| #define CFG_ENV_SECT_SIZE 0x2000 /* Size of the Environment Sector */ |
| |
| |
| #if CFG_MONITOR_BASE >= CFG_FLASH_BASE |
| #undef CFG_RAMBOOT |
| #else |
| #define CFG_RAMBOOT |
| #endif |
| |
| |
| /*----------------------------------------------------------------------- |
| * Cache Configuration |
| */ |
| #define CFG_CACHELINE_SIZE 32 |
| #if (CONFIG_COMMANDS & CFG_CMD_KGDB) |
| # define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */ |
| #endif |
| |
| /* |
| * Internal Definitions |
| * |
| * Boot Flags |
| */ |
| #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ |
| #define BOOTFLAG_WARM 0x02 /* Software reboot */ |
| |
| |
| #endif /* __CONFIG_H */ |