3 * MyCable board specific pcmcia routines.
5 * Copyright 2003 MontaVista Software Inc.
6 * Author: Pete Popov, MontaVista Software, Inc.
7 * ppopov@mvista.com or source@mvista.com
9 * ########################################################################
11 * This program is free software; you can distribute it and/or modify it
12 * under the terms of the GNU General Public License (Version 2) as
13 * published by the Free Software Foundation.
15 * This program is distributed in the hope it will be useful, but WITHOUT
16 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
17 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
20 * You should have received a copy of the GNU General Public License along
21 * with this program; if not, write to the Free Software Foundation, Inc.,
22 * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
24 * ########################################################################
28 #include <linux/module.h>
29 #include <linux/init.h>
30 #include <linux/config.h>
31 #include <linux/delay.h>
32 #include <linux/ioport.h>
33 #include <linux/kernel.h>
34 #include <linux/tqueue.h>
35 #include <linux/timer.h>
37 #include <linux/proc_fs.h>
38 #include <linux/version.h>
39 #include <linux/types.h>
41 #include <pcmcia/cs_types.h>
42 #include <pcmcia/cs.h>
43 #include <pcmcia/ss.h>
44 #include <pcmcia/bulkmem.h>
45 #include <pcmcia/cistpl.h>
46 #include <pcmcia/bus_ops.h>
47 #include "cs_internal.h"
51 #include <asm/system.h>
53 #include <asm/au1000.h>
54 #include <asm/au1000_pcmcia.h>
55 #include <asm/xxs1500.h>
58 #define DEBUG(x,args...) printk(__FUNCTION__ ": " x,##args)
60 #define DEBUG(x,args...)
63 static int xxs1500_pcmcia_init(struct pcmcia_init *init)
65 return PCMCIA_NUM_SOCKS;
68 static int xxs1500_pcmcia_shutdown(void)
71 au_writel(au_readl(GPIO2_PINSTATE) | (1<<14)|(1<<30),
76 au_writel(au_readl(GPIO2_PINSTATE) | (1<<4)|(1<<20),
84 xxs1500_pcmcia_socket_state(unsigned sock, struct pcmcia_state *state)
87 unsigned long gpio, gpio2;
89 if(sock > PCMCIA_MAX_SOCK) return -1;
91 gpio = au_readl(SYS_PINSTATERD);
92 gpio2 = au_readl(GPIO2_PINSTATE);
94 vs = gpio2 & ((1<<8) | (1<<9));
95 inserted = (!(gpio & 0x1) && !(gpio & 0x2));
111 /* return without setting 'detect' */
112 printk(KERN_ERR "au1x00_cs: unsupported VS\n",
123 state->bvd1= gpio2 & (1<<10);
124 state->bvd2 = gpio2 & (1<<11);
130 static int xxs1500_pcmcia_get_irq_info(struct pcmcia_irq_info *info)
133 if(info->sock > PCMCIA_MAX_SOCK) return -1;
134 info->irq = PCMCIA_IRQ;
140 xxs1500_pcmcia_configure_socket(const struct pcmcia_configure *configure)
143 if(configure->sock > PCMCIA_MAX_SOCK) return -1;
145 DEBUG("Vcc %dV Vpp %dV, reset %d\n",
146 configure->vcc, configure->vpp, configure->reset);
148 switch(configure->vcc){
149 case 33: /* Vcc 3.3V */
151 DEBUG("turn on power\n");
152 au_writel((au_readl(GPIO2_PINSTATE) & ~(1<<14))|(1<<30),
156 case 50: /* Vcc 5V */
157 default: /* what's this ? */
158 printk(KERN_ERR "au1x00_cs: unsupported VCC\n");
162 au_writel(au_readl(GPIO2_PINSTATE) | (1<<14)|(1<<30),
167 if (!configure->reset) {
168 DEBUG("deassert reset\n");
169 au_writel((au_readl(GPIO2_PINSTATE) & ~(1<<4))|(1<<20),
172 au_writel((au_readl(GPIO2_PINSTATE) & ~(1<<5))|(1<<21),
176 DEBUG("assert reset\n");
177 au_writel(au_readl(GPIO2_PINSTATE) | (1<<4)|(1<<20),
184 struct pcmcia_low_level xxs1500_pcmcia_ops = {
186 xxs1500_pcmcia_shutdown,
187 xxs1500_pcmcia_socket_state,
188 xxs1500_pcmcia_get_irq_info,
189 xxs1500_pcmcia_configure_socket