board/xplain/include/board/sdram.h File Reference

Board specific external RAM control. More...

#include <util.h>
#include <interrupt.h>
#include <clk/sys.h>
#include <regs/xmega_ebi.h>

Go to the source code of this file.

Defines
#define	BOARD_SDRAM_INITDLY   (100 * 2 * CONFIG_CPU_HZ / 1000000)
	SDRAM initialization delay in number of CLKper2 cycles (100 us).
#define	BOARD_SDRAM_REFRESH   (16 * 2 * CONFIG_CPU_HZ / 1000000)
	SDRAM refresh interval in number of CLKper2 cycles (16 us).
Functions
static void	board_enable_sdram (void)
	Configure the EBI for the 8 MB onboard SDRAM.
static void	board_disable_sdram (void)
	Disable the SDRAM by disabling the EBI.
static void	board_enable_sdram_selfrefresh (void)
	Enable self-refresh mode for SDRAM.
static void	board_disable_sdram_selfrefresh (void)
	Disable self-refresh mode for SDRAM.

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Detailed Description

Board specific external RAM control.

Copyright (C) 2010 Atmel Corporation. All rights reserved.

Definition in file sdram.h.