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xburst-tools/usb-boot/stage1/configs.h

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2009-04-05 21:14:39 +03:00
#ifndef _CONFIGS_H
#define _CONFIGS_H
//Here are these common definitions
//Once your system configration change,just modify the file
#define CONFIG_NR_DRAM_BANKS 1 /* SDRAM BANK Number: 1, 2*/
#define SDRAM_CASL 3 /* CAS latency: 2 or 3 */
// SDRAM Timings, unit: ns
#define SDRAM_TRAS 45 /* RAS# Active Time */
#define SDRAM_RCD 20 /* RAS# to CAS# Delay */
#define SDRAM_TPC 20 /* RAS# Precharge Time */
#define SDRAM_TRWL 7 /* Write Latency Time */
#define SDRAM_TREF 15625 /* Refresh period: 4096 refresh cycles/64ms */
extern volatile u32 CPU_ID;
extern volatile u8 SDRAM_BW16;
extern volatile u8 SDRAM_BANK4;
extern volatile u8 SDRAM_ROW;
extern volatile u8 SDRAM_COL;
extern volatile u8 CONFIG_MOBILE_SDRAM;
extern volatile u32 CFG_CPU_SPEED;
extern volatile u8 PHM_DIV;
extern volatile u32 CFG_EXTAL;
extern volatile u32 CONFIG_BAUDRATE;
extern volatile u32 UART_BASE;
extern volatile u8 CONFIG_MOBILE_SDRAM;
extern volatile u8 IS_SHARE;
typedef struct {
/* CPU ID */
unsigned int cpu_id;
/* PLL args */
unsigned char ext_clk;
unsigned char cpu_speed;
unsigned char phm_div;
unsigned char use_uart;
unsigned int boudrate;
/* SDRAM args */
unsigned char bus_width;
unsigned char bank_num;
unsigned char row_addr;
unsigned char col_addr;
unsigned char is_mobile;
unsigned char is_busshare;
/* debug args */
unsigned char debug_ops;
unsigned char pin_num;
unsigned int start;
unsigned int size;
}fw_args_t;
extern void gpio_init_4740(void);
extern void sdram_init_4740(void);
extern void serial_init_4740(void);
extern void pll_init_4740(void);
extern void gpio_init_4750(void);
extern void sdram_init_4750(void);
extern void serial_init_4750(void);
extern void pll_init_4750(void);
extern void serial_puts(const char *s);
#endif