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Diffstat (limited to 'include/configs/SL8245.h')
| -rw-r--r-- | include/configs/SL8245.h | 268 |
1 files changed, 268 insertions, 0 deletions
diff --git a/include/configs/SL8245.h b/include/configs/SL8245.h new file mode 100644 index 0000000..ec875f6 --- /dev/null +++ b/include/configs/SL8245.h @@ -0,0 +1,268 @@ +/* + * (C) Copyright 2001 - 2003 + * 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 SL8245 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_SL8245 1 + + +#define CONFIG_CONS_INDEX 1 +#define CONFIG_BAUDRATE 115200 +#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } + +#define CONFIG_BOOTDELAY 5 + +#define CONFIG_COMMANDS ( CONFIG_CMD_DFL & ~CFG_CMD_NET ) + +/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ + +#include <cmd_confdefs.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 0x00400000 /* Default load address */ + +/*----------------------------------------------------------------------- + * 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_BASE CFG_FLASH_BASE0_PRELIM +#define CFG_FLASH_BANKS { CFG_FLASH_BASE0_PRELIM } + +#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 0x10000000 /* 0 .. 256 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) + +/*----------------------------------------------------------------------- + * Definitions for initial stack pointer and data area + */ + +#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 66666666 /* external frequency to pll */ +#define CFG_HZ 1000 + + /* Bit-field values for MCCR1. + */ +#define CFG_ROMNAL 0 +#define CFG_ROMFAL 7 +#define CFG_BANK0_ROW 2 + + /* Bit-field values for MCCR2. + */ +#define CFG_REFINT 0x400 /* Refresh interval FIXME: was 0t430 */ + + /* Burst To Precharge. Bits of this value go to MCCR3 and MCCR4. + */ +#define CFG_BSTOPRE 192 + + /* Bit-field values for MCCR3. + */ +#define CFG_REFREC 2 /* Refresh to activate interval */ + + /* Bit-field values for MCCR4. + */ +#define CFG_PRETOACT 2 /* Precharge to activate interval */ +#define CFG_ACTTOPRE 5 /* Activate to Precharge interval */ +#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_ODCR 0xff /* configures line driver impedances, */ + /* see 8245 book for bit definitions */ +#define CFG_PGMAX 0x32 /* how long the 8245 retains the */ + /* currently accessed page in memory */ + /* see 8245 book for details */ + +/* 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_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 1 /* Max number of flash banks */ +#define CFG_MAX_FLASH_SECT 35 /* 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 CFG_ENV_IS_IN_FLASH 1 +#define CFG_ENV_ADDR 0xFFFF0000 +#define CFG_ENV_SIZE 0x00010000 /* Size of the Environment */ +#define CFG_ENV_SECT_SIZE 0x00010000 /* Size of the Environment Sector */ + +/*----------------------------------------------------------------------- + * 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 */ |