5ab0b37494
Add rsp. remove the inclusion of <linux/config.h> as needed. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
189 lines
4.2 KiB
C
189 lines
4.2 KiB
C
/*
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*
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* MyCable board specific pcmcia routines.
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*
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* Copyright 2003 MontaVista Software Inc.
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* Author: Pete Popov, MontaVista Software, Inc.
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* ppopov@mvista.com or source@mvista.com
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*
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* ########################################################################
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*
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* This program is free software; you can distribute it and/or modify it
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* under the terms of the GNU General Public License (Version 2) as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
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*
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* ########################################################################
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*
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*
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*/
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/delay.h>
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#include <linux/ioport.h>
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#include <linux/kernel.h>
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#include <linux/tqueue.h>
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#include <linux/timer.h>
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#include <linux/mm.h>
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#include <linux/proc_fs.h>
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#include <linux/types.h>
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#include <pcmcia/cs_types.h>
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#include <pcmcia/cs.h>
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#include <pcmcia/ss.h>
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#include <pcmcia/bulkmem.h>
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#include <pcmcia/cistpl.h>
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#include <pcmcia/bus_ops.h>
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#include "cs_internal.h"
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#include <asm/io.h>
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#include <asm/irq.h>
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#include <asm/system.h>
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#include <asm/au1000.h>
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#include <asm/au1000_pcmcia.h>
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#include <asm/xxs1500.h>
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#if 0
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#define DEBUG(x,args...) printk(__FUNCTION__ ": " x,##args)
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#else
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#define DEBUG(x,args...)
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#endif
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static int xxs1500_pcmcia_init(struct pcmcia_init *init)
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{
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return PCMCIA_NUM_SOCKS;
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}
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static int xxs1500_pcmcia_shutdown(void)
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{
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/* turn off power */
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au_writel(au_readl(GPIO2_PINSTATE) | (1<<14)|(1<<30),
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GPIO2_OUTPUT);
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au_sync_delay(100);
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/* assert reset */
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au_writel(au_readl(GPIO2_PINSTATE) | (1<<4)|(1<<20),
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GPIO2_OUTPUT);
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au_sync_delay(100);
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return 0;
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}
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static int
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xxs1500_pcmcia_socket_state(unsigned sock, struct pcmcia_state *state)
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{
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u32 inserted; u32 vs;
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unsigned long gpio, gpio2;
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if(sock > PCMCIA_MAX_SOCK) return -1;
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gpio = au_readl(SYS_PINSTATERD);
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gpio2 = au_readl(GPIO2_PINSTATE);
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vs = gpio2 & ((1<<8) | (1<<9));
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inserted = (!(gpio & 0x1) && !(gpio & 0x2));
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state->ready = 0;
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state->vs_Xv = 0;
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state->vs_3v = 0;
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state->detect = 0;
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if (inserted) {
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switch (vs) {
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case 0:
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case 1:
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case 2:
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state->vs_3v=1;
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break;
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case 3: /* 5V */
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default:
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/* return without setting 'detect' */
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printk(KERN_ERR "au1x00_cs: unsupported VS\n",
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vs);
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return;
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}
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state->detect = 1;
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}
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if (state->detect) {
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state->ready = 1;
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}
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state->bvd1= gpio2 & (1<<10);
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state->bvd2 = gpio2 & (1<<11);
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state->wrprot=0;
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return 1;
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}
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static int xxs1500_pcmcia_get_irq_info(struct pcmcia_irq_info *info)
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{
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if(info->sock > PCMCIA_MAX_SOCK) return -1;
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info->irq = PCMCIA_IRQ;
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return 0;
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}
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static int
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xxs1500_pcmcia_configure_socket(const struct pcmcia_configure *configure)
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{
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if(configure->sock > PCMCIA_MAX_SOCK) return -1;
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DEBUG("Vcc %dV Vpp %dV, reset %d\n",
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configure->vcc, configure->vpp, configure->reset);
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switch(configure->vcc){
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case 33: /* Vcc 3.3V */
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/* turn on power */
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DEBUG("turn on power\n");
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au_writel((au_readl(GPIO2_PINSTATE) & ~(1<<14))|(1<<30),
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GPIO2_OUTPUT);
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au_sync_delay(100);
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break;
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case 50: /* Vcc 5V */
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default: /* what's this ? */
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printk(KERN_ERR "au1x00_cs: unsupported VCC\n");
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case 0: /* Vcc 0 */
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/* turn off power */
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au_sync_delay(100);
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au_writel(au_readl(GPIO2_PINSTATE) | (1<<14)|(1<<30),
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GPIO2_OUTPUT);
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break;
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}
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if (!configure->reset) {
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DEBUG("deassert reset\n");
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au_writel((au_readl(GPIO2_PINSTATE) & ~(1<<4))|(1<<20),
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GPIO2_OUTPUT);
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au_sync_delay(100);
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au_writel((au_readl(GPIO2_PINSTATE) & ~(1<<5))|(1<<21),
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GPIO2_OUTPUT);
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}
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else {
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DEBUG("assert reset\n");
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au_writel(au_readl(GPIO2_PINSTATE) | (1<<4)|(1<<20),
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GPIO2_OUTPUT);
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}
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au_sync_delay(100);
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return 0;
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}
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struct pcmcia_low_level xxs1500_pcmcia_ops = {
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xxs1500_pcmcia_init,
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xxs1500_pcmcia_shutdown,
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xxs1500_pcmcia_socket_state,
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xxs1500_pcmcia_get_irq_info,
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xxs1500_pcmcia_configure_socket
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};
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