| /* |
| * (C) Copyright 2001 |
| * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| * |
| * 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 MUSENKI 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_MUSENKI 1 |
| |
| |
| #define CONFIG_CONS_INDEX 1 |
| #define CONFIG_BAUDRATE 9600 |
| #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } |
| |
| #define CONFIG_BOOTDELAY 5 |
| |
| |
| /* |
| * BOOTP options |
| */ |
| #define CONFIG_BOOTP_BOOTFILESIZE |
| #define CONFIG_BOOTP_BOOTPATH |
| #define CONFIG_BOOTP_GATEWAY |
| #define CONFIG_BOOTP_HOSTNAME |
| |
| |
| /* |
| * Command line configuration. |
| */ |
| #include <config_cmd_default.h> |
| |
| |
| /* |
| * Miscellaneous configurable options |
| */ |
| #undef 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 8 /* Max number of command args */ |
| #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ |
| #define CFG_LOAD_ADDR 0x00100000 /* Default load address */ |
| |
| /*----------------------------------------------------------------------- |
| * PCI stuff |
| *----------------------------------------------------------------------- |
| */ |
| #define CONFIG_PCI /* include pci support */ |
| #undef CONFIG_PCI_PNP |
| |
| #define CONFIG_NET_MULTI /* Multi ethernet cards support */ |
| |
| #define CONFIG_TULIP |
| |
| #define PCI_ENET0_IOADDR 0x80000000 |
| #define PCI_ENET0_MEMADDR 0x80000000 |
| #define PCI_ENET1_IOADDR 0x81000000 |
| #define PCI_ENET1_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_FLASH_BASE0_PRELIM 0xFF800000 /* FLASH bank on RCS#0 */ |
| #define CFG_FLASH_BASE1_PRELIM 0xFF000000 /* FLASH bank on RCS#1 */ |
| #define CFG_FLASH_BASE CFG_FLASH_BASE0_PRELIM |
| |
| /* even though FLASHP_BASE is FF800000, with 4MB is RCS0, the |
| * reset vector is actually located at FFB00100, 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_MEMTEST_START 0x00004000 /* memtest works on */ |
| #define CFG_MEMTEST_END 0x02000000 /* 0 ... 32 MB in DRAM */ |
| |
| /* Maximum amount of RAM. |
| */ |
| #define CFG_MAX_RAM_SIZE 0x08000000 /* 0 .. 128 MB of (S)DRAM */ |
| |
| |
| #if CFG_MONITOR_BASE >= CFG_FLASH_BASE |
| #undef CFG_RAMBOOT |
| #else |
| #define CFG_RAMBOOT |
| #endif |
| |
| /* |
| * 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) |
| |
| /*----------------------------------------------------------------------- |
| * Definitions for initial stack pointer and data area |
| */ |
| |
| /* #define CFG_MONITOR_BASE TEXT_BASE */ |
| /*#define CFG_GBL_DATA_SIZE 256*/ |
| #define CFG_GBL_DATA_SIZE 128 |
| #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) |
| |
| |
| /* |
| * 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 33333333 /* external frequency to pll */ |
| #define CFG_HZ 1000 |
| |
| /* Bit-field values for MCCR1. |
| */ |
| #define CFG_ROMNAL 7 |
| #define CFG_ROMFAL 11 |
| #define CFG_DBUS_SIZE 0x3 |
| |
| /* Bit-field values for MCCR2. |
| */ |
| #define CFG_TSWAIT 0x5 /* Transaction Start Wait States timer */ |
| #define CFG_REFINT 0x400 /* Refresh interval FIXME: was 0t430 */ |
| |
| /* Burst To Precharge. Bits of this value go to MCCR3 and MCCR4. |
| */ |
| #define CFG_BSTOPRE 121 |
| |
| /* Bit-field values for MCCR3. |
| */ |
| #define CFG_REFREC 8 /* Refresh to activate interval */ |
| |
| /* Bit-field values for MCCR4. |
| */ |
| #define CFG_PRETOACT 3 /* Precharge to activate interval FIXME: was 2 */ |
| #define CFG_ACTTOPRE 5 /* Activate to Precharge interval FIXME: was 5 */ |
| #define CFG_ACTORW 3 /* FIXME was 2 */ |
| #define CFG_SDMODE_CAS_LAT 3 /* SDMODE CAS latancy */ |
| #define CFG_SDMODE_WRAP 0 /* SDMODE wrap type */ |
| #define CFG_REGISTERD_TYPE_BUFFER 1 |
| #define CFG_EXTROM 1 |
| #define CFG_REGDIMM 0 |
| |
| #define CFG_PGMAX 0x32 /* how long the 8240 reatins the currently accessed page in memory FIXME: was 0x32*/ |
| |
| #define CFG_SDRAM_DSCD 0x20 /* SDRAM data in sample clock delay - note bottom 3 bits MUST be 0 */ |
| |
| /* Memory bank settings. |
| * Only bits 20-29 are actually used from these vales 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 MPC8240 book. |
| */ |
| |
| #define CFG_BANK0_START 0x00000000 |
| #define CFG_BANK0_END (CFG_MAX_RAM_SIZE - 1) |
| #define CFG_BANK0_ENABLE 1 |
| #define CFG_BANK1_START 0x3ff00000 |
| #define CFG_BANK1_END 0x3fffffff |
| #define CFG_BANK1_ENABLE 0 |
| #define CFG_BANK2_START 0x3ff00000 |
| #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 |
| |
| #define CFG_ODCR 0xff |
| |
| #define CFG_IBAT0L (CFG_SDRAM_BASE | BATL_PP_10 | BATL_MEMCOHERENCE) |
| #define CFG_IBAT0U (CFG_SDRAM_BASE | BATU_BL_256M | BATU_VS | BATU_VP) |
| |
| #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) |
| |
| #define CFG_IBAT2L (0x80000000 | BATL_PP_10 | BATL_CACHEINHIBIT) |
| #define CFG_IBAT2U (0x80000000 | BATU_BL_256M | BATU_VS | BATU_VP) |
| |
| #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 |
| */ |
| #define CFG_MAX_FLASH_BANKS 2 /* Max number of flash banks */ |
| #define CFG_MAX_FLASH_SECT 64 /* Max number of sectors per flash */ |
| |
| #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ |
| #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ |
| |
| |
| /* Warining: environment is not EMBEDDED in the U-Boot code. |
| * It's stored in flash separately. |
| */ |
| #define CONFIG_ENV_IS_IN_FLASH 1 |
| #define CFG_ENV_ADDR 0xFFFF0000 |
| #define CFG_ENV_SIZE 0x00010000 /* Size of the Environment */ |
| #define CFG_ENV_SECT_SIZE 0x20000 /* Size of the Environment Sector */ |
| |
| /*----------------------------------------------------------------------- |
| * Cache Configuration |
| */ |
| #define CFG_CACHELINE_SIZE 32 |
| #if defined(CONFIG_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 */ |