sdramc.h File Reference

#include <avr32/io.h>
#include "board.h"

Macros
#define	SDRAM   ((void *)AVR32_EBI_CS1_ADDRESS)
	Pointer to SDRAM. More...
#define	SDRAM_BANK_BITS   2
	The number of bank bits for this SDRAM (1 or 2). More...
#define	SDRAM_CAS   2
	The minimal column address select (READ) latency for this SDRAM (1 to 3 SDRAM cycles). More...
#define	SDRAM_COL_BITS   9
	The number of column bits for this SDRAM (8 to 11). More...
#define	SDRAM_INIT_AUTO_REFRESH_COUNT   2
	The minimal number of AUTO REFRESH commands required during initialization for this SDRAM. More...
#define	SDRAM_ROW_BITS   13
	The number of row bits for this SDRAM (11 to 13). More...
#define	SDRAM_SIZE
	SDRAM size. More...
#define	SDRAM_STABLE_CLOCK_INIT_DELAY   100
	The minimal stable-clock initialization delay for this SDRAM. More...
#define	SDRAM_TMRD   2
	The minimal mode register delay time for this SDRAM. More...
#define	SDRAM_TR   7812
	The maximal refresh time for this SDRAM (0 to 4095 SDRAM cycles). More...
#define	SDRAM_TRAS   37
	The minimal row address select time for this SDRAM (0 to 15 SDRAM cycles). More...
#define	SDRAM_TRC   60
	The minimal row cycle time for this SDRAM (0 to 15 SDRAM cycles). More...
#define	SDRAM_TRCD   15
	The minimal row to column delay time for this SDRAM (0 to 15 SDRAM cycles). More...
#define	SDRAM_TRFC   66
	The minimal refresh cycle time for this SDRAM. More...
#define	SDRAM_TRP   15
	The minimal row precharge time for this SDRAM (0 to 15 SDRAM cycles). More...
#define	SDRAM_TWR   14
	The minimal write recovery time for this SDRAM (0 to 15 SDRAM cycles). More...
#define	SDRAM_TXSR   67
	The minimal exit self refresh time for this SDRAM (0 to 15 SDRAM cycles). More...

Functions
void	sdram_enter_self_refresh (void)
	Set the SDRAM in self refresh mode. The SELF REFRESH command can be used to retain data in the SDRAM, even if the rest of the system is powered down. When in the self refresh mode, the SDRAM retains data without external clocking. More...
void	sdram_exit_self_refresh (void)
	Exit from the SDRAM self refresh mode, inhibits self refresh mode. More...
void	sdramc_init (unsigned long hsb_hz)
	Initializes the AVR32 SDRAM Controller and the connected SDRAM(s). More...