/* * (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); }