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Diffstat (limited to 'drivers/pcmcia/au1000_pb1x00.c')
-rw-r--r--drivers/pcmcia/au1000_pb1x00.c294
1 files changed, 0 insertions, 294 deletions
diff --git a/drivers/pcmcia/au1000_pb1x00.c b/drivers/pcmcia/au1000_pb1x00.c
deleted file mode 100644
index b2396647a165..000000000000
--- a/drivers/pcmcia/au1000_pb1x00.c
+++ /dev/null
@@ -1,294 +0,0 @@
1/*
2 *
3 * Alchemy Semi Pb1000 boards specific pcmcia routines.
4 *
5 * Copyright 2002 MontaVista Software Inc.
6 * Author: MontaVista Software, Inc.
7 * ppopov@mvista.com or source@mvista.com
8 *
9 * ########################################################################
10 *
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.
14 *
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
18 * for more details.
19 *
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.
23 */
24#include <linux/module.h>
25#include <linux/init.h>
26#include <linux/delay.h>
27#include <linux/ioport.h>
28#include <linux/kernel.h>
29#include <linux/timer.h>
30#include <linux/mm.h>
31#include <linux/proc_fs.h>
32#include <linux/types.h>
33
34#include <pcmcia/ss.h>
35#include <pcmcia/cistpl.h>
36
37#include <asm/io.h>
38#include <asm/irq.h>
39#include <asm/system.h>
40
41#include <asm/au1000.h>
42#include <asm/au1000_pcmcia.h>
43
44#define debug(fmt, arg...) do { } while (0)
45
46#include <asm/pb1000.h>
47#define PCMCIA_IRQ AU1000_GPIO_15
48
49static int pb1x00_pcmcia_init(struct pcmcia_init *init)
50{
51 u16 pcr;
52 pcr = PCR_SLOT_0_RST | PCR_SLOT_1_RST;
53
54 au_writel(0x8000, PB1000_MDR); /* clear pcmcia interrupt */
55 au_sync_delay(100);
56 au_writel(0x4000, PB1000_MDR); /* enable pcmcia interrupt */
57 au_sync();
58
59 pcr |= SET_VCC_VPP(VCC_HIZ,VPP_HIZ,0);
60 pcr |= SET_VCC_VPP(VCC_HIZ,VPP_HIZ,1);
61 au_writel(pcr, PB1000_PCR);
62 au_sync_delay(20);
63
64 return PCMCIA_NUM_SOCKS;
65}
66
67static int pb1x00_pcmcia_shutdown(void)
68{
69 u16 pcr;
70 pcr = PCR_SLOT_0_RST | PCR_SLOT_1_RST;
71 pcr |= SET_VCC_VPP(VCC_HIZ,VPP_HIZ,0);
72 pcr |= SET_VCC_VPP(VCC_HIZ,VPP_HIZ,1);
73 au_writel(pcr, PB1000_PCR);
74 au_sync_delay(20);
75 return 0;
76}
77
78static int
79pb1x00_pcmcia_socket_state(unsigned sock, struct pcmcia_state *state)
80{
81 u32 inserted0, inserted1;
82 u16 vs0, vs1;
83
84 vs0 = vs1 = (u16)au_readl(PB1000_ACR1);
85 inserted0 = !(vs0 & (ACR1_SLOT_0_CD1 | ACR1_SLOT_0_CD2));
86 inserted1 = !(vs1 & (ACR1_SLOT_1_CD1 | ACR1_SLOT_1_CD2));
87 vs0 = (vs0 >> 4) & 0x3;
88 vs1 = (vs1 >> 12) & 0x3;
89
90 state->ready = 0;
91 state->vs_Xv = 0;
92 state->vs_3v = 0;
93 state->detect = 0;
94
95 if (sock == 0) {
96 if (inserted0) {
97 switch (vs0) {
98 case 0:
99 case 2:
100 state->vs_3v=1;
101 break;
102 case 3: /* 5V */
103 break;
104 default:
105 /* return without setting 'detect' */
106 printk(KERN_ERR "pb1x00 bad VS (%d)\n",
107 vs0);
108 return 0;
109 }
110 state->detect = 1;
111 }
112 }
113 else {
114 if (inserted1) {
115 switch (vs1) {
116 case 0:
117 case 2:
118 state->vs_3v=1;
119 break;
120 case 3: /* 5V */
121 break;
122 default:
123 /* return without setting 'detect' */
124 printk(KERN_ERR "pb1x00 bad VS (%d)\n",
125 vs1);
126 return 0;
127 }
128 state->detect = 1;
129 }
130 }
131
132 if (state->detect) {
133 state->ready = 1;
134 }
135
136 state->bvd1=1;
137 state->bvd2=1;
138 state->wrprot=0;
139 return 1;
140}
141
142
143static int pb1x00_pcmcia_get_irq_info(struct pcmcia_irq_info *info)
144{
145
146 if(info->sock > PCMCIA_MAX_SOCK) return -1;
147
148 /*
149 * Even in the case of the Pb1000, both sockets are connected
150 * to the same irq line.
151 */
152 info->irq = PCMCIA_IRQ;
153
154 return 0;
155}
156
157
158static int
159pb1x00_pcmcia_configure_socket(const struct pcmcia_configure *configure)
160{
161 u16 pcr;
162
163 if(configure->sock > PCMCIA_MAX_SOCK) return -1;
164
165 pcr = au_readl(PB1000_PCR);
166
167 if (configure->sock == 0) {
168 pcr &= ~(PCR_SLOT_0_VCC0 | PCR_SLOT_0_VCC1 |
169 PCR_SLOT_0_VPP0 | PCR_SLOT_0_VPP1);
170 }
171 else {
172 pcr &= ~(PCR_SLOT_1_VCC0 | PCR_SLOT_1_VCC1 |
173 PCR_SLOT_1_VPP0 | PCR_SLOT_1_VPP1);
174 }
175
176 pcr &= ~PCR_SLOT_0_RST;
177 debug("Vcc %dV Vpp %dV, pcr %x\n",
178 configure->vcc, configure->vpp, pcr);
179 switch(configure->vcc){
180 case 0: /* Vcc 0 */
181 switch(configure->vpp) {
182 case 0:
183 pcr |= SET_VCC_VPP(VCC_HIZ,VPP_GND,
184 configure->sock);
185 break;
186 case 12:
187 pcr |= SET_VCC_VPP(VCC_HIZ,VPP_12V,
188 configure->sock);
189 break;
190 case 50:
191 pcr |= SET_VCC_VPP(VCC_HIZ,VPP_5V,
192 configure->sock);
193 break;
194 case 33:
195 pcr |= SET_VCC_VPP(VCC_HIZ,VPP_3V,
196 configure->sock);
197 break;
198 default:
199 pcr |= SET_VCC_VPP(VCC_HIZ,VPP_HIZ,
200 configure->sock);
201 printk("%s: bad Vcc/Vpp (%d:%d)\n",
202 __func__,
203 configure->vcc,
204 configure->vpp);
205 break;
206 }
207 break;
208 case 50: /* Vcc 5V */
209 switch(configure->vpp) {
210 case 0:
211 pcr |= SET_VCC_VPP(VCC_5V,VPP_GND,
212 configure->sock);
213 break;
214 case 50:
215 pcr |= SET_VCC_VPP(VCC_5V,VPP_5V,
216 configure->sock);
217 break;
218 case 12:
219 pcr |= SET_VCC_VPP(VCC_5V,VPP_12V,
220 configure->sock);
221 break;
222 case 33:
223 pcr |= SET_VCC_VPP(VCC_5V,VPP_3V,
224 configure->sock);
225 break;
226 default:
227 pcr |= SET_VCC_VPP(VCC_HIZ,VPP_HIZ,
228 configure->sock);
229 printk("%s: bad Vcc/Vpp (%d:%d)\n",
230 __func__,
231 configure->vcc,
232 configure->vpp);
233 break;
234 }
235 break;
236 case 33: /* Vcc 3.3V */
237 switch(configure->vpp) {
238 case 0:
239 pcr |= SET_VCC_VPP(VCC_3V,VPP_GND,
240 configure->sock);
241 break;
242 case 50:
243 pcr |= SET_VCC_VPP(VCC_3V,VPP_5V,
244 configure->sock);
245 break;
246 case 12:
247 pcr |= SET_VCC_VPP(VCC_3V,VPP_12V,
248 configure->sock);
249 break;
250 case 33:
251 pcr |= SET_VCC_VPP(VCC_3V,VPP_3V,
252 configure->sock);
253 break;
254 default:
255 pcr |= SET_VCC_VPP(VCC_HIZ,VPP_HIZ,
256 configure->sock);
257 printk("%s: bad Vcc/Vpp (%d:%d)\n",
258 __func__,
259 configure->vcc,
260 configure->vpp);
261 break;
262 }
263 break;
264 default: /* what's this ? */
265 pcr |= SET_VCC_VPP(VCC_HIZ,VPP_HIZ,configure->sock);
266 printk(KERN_ERR "%s: bad Vcc %d\n",
267 __func__, configure->vcc);
268 break;
269 }
270
271 if (configure->sock == 0) {
272 pcr &= ~(PCR_SLOT_0_RST);
273 if (configure->reset)
274 pcr |= PCR_SLOT_0_RST;
275 }
276 else {
277 pcr &= ~(PCR_SLOT_1_RST);
278 if (configure->reset)
279 pcr |= PCR_SLOT_1_RST;
280 }
281 au_writel(pcr, PB1000_PCR);
282 au_sync_delay(300);
283
284 return 0;
285}
286
287
288struct pcmcia_low_level pb1x00_pcmcia_ops = {
289 pb1x00_pcmcia_init,
290 pb1x00_pcmcia_shutdown,
291 pb1x00_pcmcia_socket_state,
292 pb1x00_pcmcia_get_irq_info,
293 pb1x00_pcmcia_configure_socket
294};
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-02 22:58:56 -0500