?? sxni855t.h
字號:
#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */#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. *//*----------------------------------------------------------------------- * Internal Memory Mapped Register */#define CFG_IMMR 0xFF000000#define CFG_IMMR_SIZE ((uint)(64 * 1024))/*----------------------------------------------------------------------- * Definitions for initial stack pointer and data area (in DPRAM) */#define CFG_INIT_RAM_ADDR CFG_IMMR#define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */#define CFG_GBL_DATA_SIZE 64 /* size in 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 */#define CFG_SDRAM_BASE 0x00000000#define CFG_SRAM_BASE 0xF4000000#define CFG_SRAM_SIZE 0x04000000 /* autosize up to 64Mbyte */#define CFG_FLASH_BASE 0xF8000000#define CFG_FLASH_SIZE ((uint)(8 * 1024 * 1024)) /* max 8Mbyte */#define CFG_DFLASH_BASE 0xff020000 /* DiskOnChip or NAND FLASH */#define CFG_DFLASH_SIZE 0x00010000#define CFG_FPGA_BASE 0xFF100000 /* Xilinx FPGA */#define CFG_FPGA_PROG 0xFF130000 /* Programming address */#define CFG_FPGA_SIZE 0x00040000 /* 256KiB usable */#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */#define CFG_MONITOR_BASE CFG_FLASH_BASE#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 organization */#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks *//* Intel 28F640 has 135, 127 64K sectors in 8MB, + 8 more for 8K boot blocks. * AMD 29LV641 has 128 64K sectors in 8MB */#define CFG_MAX_FLASH_SECT 135 /* max number of sectors on one chip */#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) *//*----------------------------------------------------------------------- * Cache Configuration */#define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */#if (CONFIG_COMMANDS & CFG_CMD_KGDB)#define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */#endif/*----------------------------------------------------------------------- * SYPCR - System Protection Control 11-9 * SYPCR can only be written once after reset! *----------------------------------------------------------------------- * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze */#if defined(CONFIG_WATCHDOG)#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \ SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)#else#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)#endif/*----------------------------------------------------------------------- * SIUMCR - SIU Module Configuration 11-6 *----------------------------------------------------------------------- * PCMCIA config., multi-function pin tri-state */#define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)/*----------------------------------------------------------------------- * TBSCR - Time Base Status and Control 11-26 *----------------------------------------------------------------------- * Clear Reference Interrupt Status, Timebase freezing enabled */#define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBE)/*----------------------------------------------------------------------- * PISCR - Periodic Interrupt Status and Control 11-31 *----------------------------------------------------------------------- * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled */#define CFG_PISCR (PISCR_PS | PISCR_PITF)/*----------------------------------------------------------------------- * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30 *----------------------------------------------------------------------- * set the PLL, the low-power modes and the reset control (15-29) */#define CFG_PLPRCR (((MPC8XX_FACT-1) << PLPRCR_MF_SHIFT) | \ PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)/*----------------------------------------------------------------------- * SCCR - System Clock and reset Control Register 15-27 *----------------------------------------------------------------------- * Set clock output, timebase and RTC source and divider, * power management and some other internal clocks */#define SCCR_MASK SCCR_EBDF11#define CFG_SCCR (SCCR_TBS|SCCR_COM00|SCCR_DFSYNC00|SCCR_DFBRG00|SCCR_DFNL000|SCCR_DFNH000|SCCR_DFLCD000|SCCR_DFALCD00) /*----------------------------------------------------------------------- * *----------------------------------------------------------------------- * */#define CFG_DER 0/* Because of the way the 860 starts up and assigns CS0 the * entire address space, we have to set the memory controller * differently. Normally, you write the option register * first, and then enable the chip select by writing the * base register. For CS0, you must write the base register * first, followed by the option register. *//* * Init Memory Controller: * ********************************************************** * BR0 and OR0 (FLASH) */#define CFG_PRELIM_OR0_AM 0xFC000000 /* OR addr mask *//* FLASH timing: ACS = 10, TRLX = 1, CSNT = 1, SCY = 3, EHTR = 0 */#define CFG_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_DIV4 | OR_BI | OR_SCY_3_CLK | OR_TRLX)#define CFG_OR0_PRELIM (CFG_PRELIM_OR0_AM | CFG_OR_TIMING_FLASH)#define CONFIG_FLASH_16BIT#define CFG_BR0_PRELIM ((CFG_FLASH_BASE & BR_BA_MSK) | BR_PS_16 | BR_V )#define CFG_FLASH_PROTECTION /* need to lock/unlock sectors in hardware *//********************************************************** * BR1 and OR1 (FPGA) * These preliminary values are also the final values. */#define CFG_OR_TIMING_FPGA \ (OR_CSNT_SAM | OR_ACS_DIV2 | OR_BI | OR_SCY_4_CLK | OR_EHTR | OR_TRLX)#define CFG_BR1_PRELIM ((CFG_FPGA_BASE & BR_BA_MSK) | BR_PS_8 | BR_V )#define CFG_OR1_PRELIM (((-CFG_FPGA_SIZE) & OR_AM_MSK) | CFG_OR_TIMING_FPGA)/********************************************************** * BR4 and OR4 (data flash) * These preliminary values are also the final values. */#define CFG_OR_TIMING_DFLASH \ (OR_CSNT_SAM | OR_ACS_DIV4 | OR_BI | OR_SCY_2_CLK | OR_EHTR | OR_TRLX)#define CFG_BR4_PRELIM ((CFG_DFLASH_BASE & BR_BA_MSK) | BR_PS_8 | BR_V )#define CFG_OR4_PRELIM (((-CFG_DFLASH_SIZE) & OR_AM_MSK) | CFG_OR_TIMING_DFLASH)/********************************************************** * BR5/6 and OR5/6 (Dual UART) */#define CFG_DUART_SIZE 0x8000 /* 32K window, only uses 8 bytes */#define CFG_DUARTA_BASE 0xff010000#define CFG_DUARTB_BASE 0xff018000#define DUART_MBMR 0#define DUART_OR_VALUE (ORMASK(CFG_DUART_SIZE) | OR_G5LS| OR_BI)#define DUART_BR_VALUE (BR_MS_UPMB | BR_PS_8 | BR_V)#define DUART_BR5_VALUE ((CFG_DUARTA_BASE & BR_BA_MSK ) | DUART_BR_VALUE)#define DUART_BR6_VALUE ((CFG_DUARTB_BASE & BR_BA_MSK ) | DUART_BR_VALUE)/********************************************************** * * Boot Flags */#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */#define BOOTFLAG_WARM 0x02 /* Software reboot */#define CONFIG_RESET_ON_PANIC /* reset if system panic() */#define CFG_ENV_IS_IN_FLASH#ifdef CFG_ENV_IS_IN_FLASH /* environment is in FLASH */ #define CFG_ENV_ADDR 0xF8040000 /* AM29LV641 or AM29LV800BT */ #define CFG_ENV_ADDR_REDUND 0xF8050000 /* AM29LV641 or AM29LV800BT */ #define CFG_ENV_SECT_SIZE 0x00010000 #define CFG_ENV_SIZE 0x00002000#else /* environment is in EEPROM */ #define CFG_ENV_IS_IN_EEPROM 1 #define CFG_ENV_OFFSET 0 /* at beginning of EEPROM */ #define CFG_ENV_SIZE 1024 /* Use only a part of it*/#endif#if 1#define CONFIG_AUTOBOOT_KEYED /* use key strings to stop autoboot */#define CONFIG_AUTOBOOT_PROMPT "autoboot in %d seconds\n"#define CONFIG_AUTOBOOT_DELAY_STR "delayabit"#define CONFIG_AUTOBOOT_STOP_STR " " /* easy to stop for now */#endif#endif /* __CONFIG_H */
?? 快捷鍵說明
復(fù)制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -