mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-29 08:01:08 +00:00
20787e23b8
- update the pxa-regs.h file for PXA27x chips - add PXA27x based ADSVIX board - add support for MMC on PXA27x processors * Patch by Andrew E. Mileski, 28 Nov 2004: Fix PPC4xx SPD SDRAM detection bug * Patch by Hiroshi Ito, 26 Nov 2004: Fix logic of "test -z" and "test -n" commands
67 lines
1.6 KiB
C
67 lines
1.6 KiB
C
/*
|
|
* (C) Copyright 2004
|
|
* Robert Whaley, Applied Data Systems, Inc. rwhaley@applieddata.net
|
|
*
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 2 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <asm/arch/pxa-regs.h>
|
|
|
|
void pcmcia_power_on(void)
|
|
{
|
|
#if 0
|
|
if (!(GPLR(20) & GPIO_bit(20))) { /* 3.3V */
|
|
GPCR(81) = GPIO_bit(81);
|
|
GPSR(82) = GPIO_bit(82);
|
|
}
|
|
else if (!(GPLR(21) & GPIO_bit(21))) { /* 5.0V */
|
|
GPCR(81) = GPIO_bit(81);
|
|
GPCR(82) = GPIO_bit(82);
|
|
}
|
|
#else
|
|
#warning "Board will only supply 5V, wait for next HW spin for selectable power"
|
|
/* 5.0V */
|
|
GPCR(81) = GPIO_bit(81);
|
|
GPCR(82) = GPIO_bit(82);
|
|
#endif
|
|
|
|
udelay(300000);
|
|
|
|
/* reset the card */
|
|
GPSR(52) = GPIO_bit(52);
|
|
|
|
/* enable PCMCIA */
|
|
GPCR(83) = GPIO_bit(83);
|
|
|
|
/* clear reset */
|
|
udelay(10);
|
|
GPCR(52) = GPIO_bit(52);
|
|
|
|
udelay(20000);
|
|
}
|
|
|
|
void pcmcia_power_off(void)
|
|
{
|
|
/* 0V */
|
|
GPSR(81) = GPIO_bit(81);
|
|
GPSR(82) = GPIO_bit(82);
|
|
/* disable PCMCIA */
|
|
GPSR(83) = GPIO_bit(83);
|
|
}
|