mirror of
git://projects.qi-hardware.com/xburst-tools.git
synced 2024-11-23 22:49:42 +02:00
68 lines
1.7 KiB
C
68 lines
1.7 KiB
C
|
#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
|