blob: 40d6a12b55a44fb4a7c4277a38baa92e225e5c99 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
/*
* Altera CF drvier
*
* (C) Copyright 2010, Thomas Chou <thomas@wytron.com.tw>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <common.h>
#include <asm/io.h>
#if defined(CONFIG_IDE_RESET) && defined(CONFIG_SYS_CF_CTL_BASE)
/* ide_set_reset for Altera CF interface */
#define ALTERA_CF_CTL_STATUS 0
#define ALTERA_CF_IDE_CTL 4
#define ALTERA_CF_CTL_STATUS_PRESENT_MSK (0x1)
#define ALTERA_CF_CTL_STATUS_POWER_MSK (0x2)
#define ALTERA_CF_CTL_STATUS_RESET_MSK (0x4)
#define ALTERA_CF_CTL_STATUS_IRQ_EN_MSK (0x8)
#define ALTERA_CF_IDE_CTL_IRQ_EN_MSK (0x1)
void ide_set_reset(int idereset)
{
int i;
writel(idereset ? ALTERA_CF_CTL_STATUS_RESET_MSK :
ALTERA_CF_CTL_STATUS_POWER_MSK,
CONFIG_SYS_CF_CTL_BASE + ALTERA_CF_CTL_STATUS);
/* wait 500 ms for power to stabilize */
for (i = 0; i < 500; i++)
udelay(1000);
}
#endif
|
