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-rw-r--r--drivers/pcmcia/Kconfig2
-rw-r--r--drivers/pcmcia/Makefile3
-rw-r--r--drivers/pcmcia/pxa2xx_cm_x255.c154
-rw-r--r--drivers/pcmcia/pxa2xx_cm_x270.c14
-rw-r--r--drivers/pcmcia/pxa2xx_cm_x2xx.c49
-rw-r--r--drivers/pcmcia/pxa2xx_trizeps4.c256
6 files changed, 464 insertions, 14 deletions
diff --git a/drivers/pcmcia/Kconfig b/drivers/pcmcia/Kconfig
index e0f884034c9f..40417d3fe50d 100644
--- a/drivers/pcmcia/Kconfig
+++ b/drivers/pcmcia/Kconfig
@@ -220,7 +220,7 @@ config PCMCIA_PXA2XX
220 tristate "PXA2xx support" 220 tristate "PXA2xx support"
221 depends on ARM && ARCH_PXA && PCMCIA 221 depends on ARM && ARCH_PXA && PCMCIA
222 depends on (ARCH_LUBBOCK || MACH_MAINSTONE || PXA_SHARPSL \ 222 depends on (ARCH_LUBBOCK || MACH_MAINSTONE || PXA_SHARPSL \
223 || MACH_ARMCORE || ARCH_PXA_PALM) 223 || MACH_ARMCORE || ARCH_PXA_PALM || TRIZEPS_PCMCIA)
224 help 224 help
225 Say Y here to include support for the PXA2xx PCMCIA controller 225 Say Y here to include support for the PXA2xx PCMCIA controller
226 226
diff --git a/drivers/pcmcia/Makefile b/drivers/pcmcia/Makefile
index c6d89fd3dcf4..679ca927a62a 100644
--- a/drivers/pcmcia/Makefile
+++ b/drivers/pcmcia/Makefile
@@ -71,7 +71,8 @@ sa1100_cs-$(CONFIG_SA1100_SIMPAD) += sa1100_simpad.o
71pxa2xx_cs-$(CONFIG_ARCH_LUBBOCK) += pxa2xx_lubbock.o sa1111_generic.o 71pxa2xx_cs-$(CONFIG_ARCH_LUBBOCK) += pxa2xx_lubbock.o sa1111_generic.o
72pxa2xx_cs-$(CONFIG_MACH_MAINSTONE) += pxa2xx_mainstone.o 72pxa2xx_cs-$(CONFIG_MACH_MAINSTONE) += pxa2xx_mainstone.o
73pxa2xx_cs-$(CONFIG_PXA_SHARPSL) += pxa2xx_sharpsl.o 73pxa2xx_cs-$(CONFIG_PXA_SHARPSL) += pxa2xx_sharpsl.o
74pxa2xx_cs-$(CONFIG_MACH_ARMCORE) += pxa2xx_cm_x270.o 74pxa2xx_cs-$(CONFIG_MACH_ARMCORE) += pxa2xx_cm_x2xx.o pxa2xx_cm_x255.o pxa2xx_cm_x270.o
75pxa2xx_cs-$(CONFIG_TRIZEPS_PCMCIA) += pxa2xx_trizeps.o
75pxa2xx_cs-$(CONFIG_MACH_PALMTX) += pxa2xx_palmtx.o 76pxa2xx_cs-$(CONFIG_MACH_PALMTX) += pxa2xx_palmtx.o
76pxa2xx_cs-$(CONFIG_MACH_PALMLD) += pxa2xx_palmld.o 77pxa2xx_cs-$(CONFIG_MACH_PALMLD) += pxa2xx_palmld.o
77 78
diff --git a/drivers/pcmcia/pxa2xx_cm_x255.c b/drivers/pcmcia/pxa2xx_cm_x255.c
new file mode 100644
index 000000000000..7c8bcb476622
--- /dev/null
+++ b/drivers/pcmcia/pxa2xx_cm_x255.c
@@ -0,0 +1,154 @@
1/*
2 * linux/drivers/pcmcia/pxa/pxa_cm_x255.c
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
7 *
8 * Compulab Ltd., 2003, 2007, 2008
9 * Mike Rapoport <mike@compulab.co.il>
10 *
11 */
12
13#include <linux/platform_device.h>
14#include <linux/irq.h>
15#include <linux/delay.h>
16#include <linux/gpio.h>
17
18#include <asm/mach-types.h>
19#include <mach/pxa-regs.h>
20
21#include "soc_common.h"
22
23#define GPIO_PCMCIA_SKTSEL (54)
24#define GPIO_PCMCIA_S0_CD_VALID (16)
25#define GPIO_PCMCIA_S1_CD_VALID (17)
26#define GPIO_PCMCIA_S0_RDYINT (6)
27#define GPIO_PCMCIA_S1_RDYINT (8)
28#define GPIO_PCMCIA_RESET (9)
29
30#define PCMCIA_S0_CD_VALID IRQ_GPIO(GPIO_PCMCIA_S0_CD_VALID)
31#define PCMCIA_S1_CD_VALID IRQ_GPIO(GPIO_PCMCIA_S1_CD_VALID)
32#define PCMCIA_S0_RDYINT IRQ_GPIO(GPIO_PCMCIA_S0_RDYINT)
33#define PCMCIA_S1_RDYINT IRQ_GPIO(GPIO_PCMCIA_S1_RDYINT)
34
35
36static struct pcmcia_irqs irqs[] = {
37 { 0, PCMCIA_S0_CD_VALID, "PCMCIA0 CD" },
38 { 1, PCMCIA_S1_CD_VALID, "PCMCIA1 CD" },
39};
40
41static int cmx255_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
42{
43 int ret = gpio_request(GPIO_PCMCIA_RESET, "PCCard reset");
44 if (ret)
45 return ret;
46 gpio_direction_output(GPIO_PCMCIA_RESET, 0);
47
48 skt->irq = skt->nr == 0 ? PCMCIA_S0_RDYINT : PCMCIA_S1_RDYINT;
49 ret = soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs));
50 if (!ret)
51 gpio_free(GPIO_PCMCIA_RESET);
52
53 return ret;
54}
55
56static void cmx255_pcmcia_shutdown(struct soc_pcmcia_socket *skt)
57{
58 soc_pcmcia_free_irqs(skt, irqs, ARRAY_SIZE(irqs));
59 gpio_free(GPIO_PCMCIA_RESET);
60}
61
62
63static void cmx255_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
64 struct pcmcia_state *state)
65{
66 int cd = skt->nr ? GPIO_PCMCIA_S1_CD_VALID : GPIO_PCMCIA_S0_CD_VALID;
67 int rdy = skt->nr ? GPIO_PCMCIA_S0_RDYINT : GPIO_PCMCIA_S1_RDYINT;
68
69 state->detect = !gpio_get_value(cd);
70 state->ready = !!gpio_get_value(rdy);
71 state->bvd1 = 1;
72 state->bvd2 = 1;
73 state->vs_3v = 0;
74 state->vs_Xv = 0;
75 state->wrprot = 0; /* not available */
76}
77
78
79static int cmx255_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
80 const socket_state_t *state)
81{
82 switch (skt->nr) {
83 case 0:
84 if (state->flags & SS_RESET) {
85 gpio_set_value(GPIO_PCMCIA_SKTSEL, 0);
86 udelay(1);
87 gpio_set_value(GPIO_PCMCIA_RESET, 1);
88 udelay(10);
89 gpio_set_value(GPIO_PCMCIA_RESET, 0);
90 }
91 break;
92 case 1:
93 if (state->flags & SS_RESET) {
94 gpio_set_value(GPIO_PCMCIA_SKTSEL, 1);
95 udelay(1);
96 gpio_set_value(GPIO_PCMCIA_RESET, 1);
97 udelay(10);
98 gpio_set_value(GPIO_PCMCIA_RESET, 0);
99 }
100 break;
101 }
102
103 return 0;
104}
105
106static void cmx255_pcmcia_socket_init(struct soc_pcmcia_socket *skt)
107{
108}
109
110static void cmx255_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt)
111{
112}
113
114
115static struct pcmcia_low_level cmx255_pcmcia_ops __initdata = {
116 .owner = THIS_MODULE,
117 .hw_init = cmx255_pcmcia_hw_init,
118 .hw_shutdown = cmx255_pcmcia_shutdown,
119 .socket_state = cmx255_pcmcia_socket_state,
120 .configure_socket = cmx255_pcmcia_configure_socket,
121 .socket_init = cmx255_pcmcia_socket_init,
122 .socket_suspend = cmx255_pcmcia_socket_suspend,
123 .nr = 1,
124};
125
126static struct platform_device *cmx255_pcmcia_device;
127
128int __init cmx255_pcmcia_init(void)
129{
130 int ret;
131
132 cmx255_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1);
133
134 if (!cmx255_pcmcia_device)
135 return -ENOMEM;
136
137 ret = platform_device_add_data(cmx255_pcmcia_device, &cmx255_pcmcia_ops,
138 sizeof(cmx255_pcmcia_ops));
139
140 if (ret == 0) {
141 printk(KERN_INFO "Registering cm-x255 PCMCIA interface.\n");
142 ret = platform_device_add(cmx255_pcmcia_device);
143 }
144
145 if (ret)
146 platform_device_put(cmx255_pcmcia_device);
147
148 return ret;
149}
150
151void __exit cmx255_pcmcia_exit(void)
152{
153 platform_device_unregister(cmx255_pcmcia_device);
154}
diff --git a/drivers/pcmcia/pxa2xx_cm_x270.c b/drivers/pcmcia/pxa2xx_cm_x270.c
index bcff5cfed051..6c3aac377126 100644
--- a/drivers/pcmcia/pxa2xx_cm_x270.c
+++ b/drivers/pcmcia/pxa2xx_cm_x270.c
@@ -105,13 +105,10 @@ static struct pcmcia_low_level cmx270_pcmcia_ops __initdata = {
105 105
106static struct platform_device *cmx270_pcmcia_device; 106static struct platform_device *cmx270_pcmcia_device;
107 107
108static int __init cmx270_pcmcia_init(void) 108int __init cmx270_pcmcia_init(void)
109{ 109{
110 int ret; 110 int ret;
111 111
112 if (!machine_is_armcore())
113 return -ENODEV;
114
115 cmx270_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1); 112 cmx270_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1);
116 113
117 if (!cmx270_pcmcia_device) 114 if (!cmx270_pcmcia_device)
@@ -131,14 +128,7 @@ static int __init cmx270_pcmcia_init(void)
131 return ret; 128 return ret;
132} 129}
133 130
134static void __exit cmx270_pcmcia_exit(void) 131void __exit cmx270_pcmcia_exit(void)
135{ 132{
136 platform_device_unregister(cmx270_pcmcia_device); 133 platform_device_unregister(cmx270_pcmcia_device);
137} 134}
138
139module_init(cmx270_pcmcia_init);
140module_exit(cmx270_pcmcia_exit);
141
142MODULE_LICENSE("GPL");
143MODULE_AUTHOR("Mike Rapoport <mike@compulab.co.il>");
144MODULE_DESCRIPTION("CM-x270 PCMCIA driver");
diff --git a/drivers/pcmcia/pxa2xx_cm_x2xx.c b/drivers/pcmcia/pxa2xx_cm_x2xx.c
new file mode 100644
index 000000000000..4f09506ad8d4
--- /dev/null
+++ b/drivers/pcmcia/pxa2xx_cm_x2xx.c
@@ -0,0 +1,49 @@
1/*
2 * linux/drivers/pcmcia/pxa/pxa_cm_x2xx.c
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
7 *
8 * Compulab Ltd., 2003, 2007, 2008
9 * Mike Rapoport <mike@compulab.co.il>
10 *
11 */
12
13#include <linux/module.h>
14
15#include <asm/system.h>
16#include <asm/mach-types.h>
17#include <mach/system.h>
18
19int cmx255_pcmcia_init(void);
20int cmx270_pcmcia_init(void);
21void cmx255_pcmcia_exit(void);
22void cmx270_pcmcia_exit(void);
23
24static int __init cmx2xx_pcmcia_init(void)
25{
26 int ret = -ENODEV;
27
28 if (machine_is_armcore() && cpu_is_pxa25x())
29 ret = cmx255_pcmcia_init();
30 else if (machine_is_armcore() && cpu_is_pxa27x())
31 ret = cmx270_pcmcia_init();
32
33 return ret;
34}
35
36static void __exit cmx2xx_pcmcia_exit(void)
37{
38 if (machine_is_armcore() && cpu_is_pxa25x())
39 cmx255_pcmcia_exit();
40 else if (machine_is_armcore() && cpu_is_pxa27x())
41 cmx270_pcmcia_exit();
42}
43
44module_init(cmx2xx_pcmcia_init);
45module_exit(cmx2xx_pcmcia_exit);
46
47MODULE_LICENSE("GPL");
48MODULE_AUTHOR("Mike Rapoport <mike@compulab.co.il>");
49MODULE_DESCRIPTION("CM-x2xx PCMCIA driver");
diff --git a/drivers/pcmcia/pxa2xx_trizeps4.c b/drivers/pcmcia/pxa2xx_trizeps4.c
new file mode 100644
index 000000000000..36c7a0b324d2
--- /dev/null
+++ b/drivers/pcmcia/pxa2xx_trizeps4.c
@@ -0,0 +1,256 @@
1/*
2 * linux/drivers/pcmcia/pxa2xx_trizeps4.c
3 *
4 * TRIZEPS PCMCIA specific routines.
5 *
6 * Author: Jürgen Schindele
7 * Created: 20 02, 2006
8 * Copyright: Jürgen Schindele
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13 */
14
15#include <linux/module.h>
16#include <linux/init.h>
17#include <linux/kernel.h>
18#include <linux/gpio.h>
19#include <linux/interrupt.h>
20#include <linux/platform_device.h>
21
22#include <asm/mach-types.h>
23#include <asm/irq.h>
24
25#include <mach/hardware.h>
26#include <mach/pxa-regs.h>
27#include <mach/trizeps4.h>
28
29#include "soc_common.h"
30
31extern void board_pcmcia_power(int power);
32
33static struct pcmcia_irqs irqs[] = {
34 { 0, IRQ_GPIO(GPIO_PCD), "cs0_cd" }
35 /* on other baseboards we can have more inputs */
36};
37
38static int trizeps_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
39{
40 int ret, i;
41 /* we dont have voltage/card/ready detection
42 * so we dont need interrupts for it
43 */
44 switch (skt->nr) {
45 case 0:
46 if (gpio_request(GPIO_PRDY, "cf_irq") < 0) {
47 pr_err("%s: sock %d unable to request gpio %d\n", __func__,
48 skt->nr, GPIO_PRDY);
49 return -EBUSY;
50 }
51 if (gpio_direction_input(GPIO_PRDY) < 0) {
52 pr_err("%s: sock %d unable to set input gpio %d\n", __func__,
53 skt->nr, GPIO_PRDY);
54 gpio_free(GPIO_PRDY);
55 return -EINVAL;
56 }
57 skt->irq = IRQ_GPIO(GPIO_PRDY);
58 break;
59
60#ifndef CONFIG_MACH_TRIZEPS_CONXS
61 case 1:
62#endif
63 default:
64 break;
65 }
66 /* release the reset of this card */
67 pr_debug("%s: sock %d irq %d\n", __func__, skt->nr, skt->irq);
68
69 /* supplementory irqs for the socket */
70 for (i = 0; i < ARRAY_SIZE(irqs); i++) {
71 if (irqs[i].sock != skt->nr)
72 continue;
73 if (gpio_request(IRQ_TO_GPIO(irqs[i].irq), irqs[i].str) < 0) {
74 pr_err("%s: sock %d unable to request gpio %d\n",
75 __func__, skt->nr, IRQ_TO_GPIO(irqs[i].irq));
76 ret = -EBUSY;
77 goto error;
78 }
79 if (gpio_direction_input(IRQ_TO_GPIO(irqs[i].irq)) < 0) {
80 pr_err("%s: sock %d unable to set input gpio %d\n",
81 __func__, skt->nr, IRQ_TO_GPIO(irqs[i].irq));
82 ret = -EINVAL;
83 goto error;
84 }
85 }
86 return soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs));
87
88error:
89 for (; i >= 0; i--) {
90 gpio_free(IRQ_TO_GPIO(irqs[i].irq));
91 }
92 return (ret);
93}
94
95static void trizeps_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
96{
97 int i;
98 /* free allocated gpio's */
99 gpio_free(GPIO_PRDY);
100 for (i = 0; i < ARRAY_SIZE(irqs); i++)
101 gpio_free(IRQ_TO_GPIO(irqs[i].irq));
102}
103
104static unsigned long trizeps_pcmcia_status[2];
105
106static void trizeps_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
107 struct pcmcia_state *state)
108{
109 unsigned short status = 0, change;
110 status = CFSR_readw();
111 change = (status ^ trizeps_pcmcia_status[skt->nr]) &
112 ConXS_CFSR_BVD_MASK;
113 if (change) {
114 trizeps_pcmcia_status[skt->nr] = status;
115 if (status & ConXS_CFSR_BVD1) {
116 /* enable_irq empty */
117 } else {
118 /* disable_irq empty */
119 }
120 }
121
122 switch (skt->nr) {
123 case 0:
124 /* just fill in fix states */
125 state->detect = gpio_get_value(GPIO_PCD) ? 0 : 1;
126 state->ready = gpio_get_value(GPIO_PRDY) ? 1 : 0;
127 state->bvd1 = (status & ConXS_CFSR_BVD1) ? 1 : 0;
128 state->bvd2 = (status & ConXS_CFSR_BVD2) ? 1 : 0;
129 state->vs_3v = (status & ConXS_CFSR_VS1) ? 0 : 1;
130 state->vs_Xv = (status & ConXS_CFSR_VS2) ? 0 : 1;
131 state->wrprot = 0; /* not available */
132 break;
133
134#ifndef CONFIG_MACH_TRIZEPS_CONXS
135 /* on ConXS we only have one slot. Second is inactive */
136 case 1:
137 state->detect = 0;
138 state->ready = 0;
139 state->bvd1 = 0;
140 state->bvd2 = 0;
141 state->vs_3v = 0;
142 state->vs_Xv = 0;
143 state->wrprot = 0;
144 break;
145
146#endif
147 }
148}
149
150static int trizeps_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
151 const socket_state_t *state)
152{
153 int ret = 0;
154 unsigned short power = 0;
155
156 /* we do nothing here just check a bit */
157 switch (state->Vcc) {
158 case 0: power &= 0xfc; break;
159 case 33: power |= ConXS_BCR_S0_VCC_3V3; break;
160 case 50:
161 pr_err("%s(): Vcc 5V not supported in socket\n", __func__);
162 break;
163 default:
164 pr_err("%s(): bad Vcc %u\n", __func__, state->Vcc);
165 ret = -1;
166 }
167
168 switch (state->Vpp) {
169 case 0: power &= 0xf3; break;
170 case 33: power |= ConXS_BCR_S0_VPP_3V3; break;
171 case 120:
172 pr_err("%s(): Vpp 12V not supported in socket\n", __func__);
173 break;
174 default:
175 if (state->Vpp != state->Vcc) {
176 pr_err("%s(): bad Vpp %u\n", __func__, state->Vpp);
177 ret = -1;
178 }
179 }
180
181 switch (skt->nr) {
182 case 0: /* we only have 3.3V */
183 board_pcmcia_power(power);
184 break;
185
186#ifndef CONFIG_MACH_TRIZEPS_CONXS
187 /* on ConXS we only have one slot. Second is inactive */
188 case 1:
189#endif
190 default:
191 break;
192 }
193
194 return ret;
195}
196
197static void trizeps_pcmcia_socket_init(struct soc_pcmcia_socket *skt)
198{
199 /* default is on */
200 board_pcmcia_power(0x9);
201}
202
203static void trizeps_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt)
204{
205 board_pcmcia_power(0x0);
206}
207
208static struct pcmcia_low_level trizeps_pcmcia_ops = {
209 .owner = THIS_MODULE,
210 .hw_init = trizeps_pcmcia_hw_init,
211 .hw_shutdown = trizeps_pcmcia_hw_shutdown,
212 .socket_state = trizeps_pcmcia_socket_state,
213 .configure_socket = trizeps_pcmcia_configure_socket,
214 .socket_init = trizeps_pcmcia_socket_init,
215 .socket_suspend = trizeps_pcmcia_socket_suspend,
216#ifdef CONFIG_MACH_TRIZEPS_CONXS
217 .nr = 1,
218#else
219 .nr = 2,
220#endif
221 .first = 0,
222};
223
224static struct platform_device *trizeps_pcmcia_device;
225
226static int __init trizeps_pcmcia_init(void)
227{
228 int ret;
229
230 trizeps_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1);
231 if (!trizeps_pcmcia_device)
232 return -ENOMEM;
233
234 ret = platform_device_add_data(trizeps_pcmcia_device,
235 &trizeps_pcmcia_ops, sizeof(trizeps_pcmcia_ops));
236
237 if (ret == 0)
238 ret = platform_device_add(trizeps_pcmcia_device);
239
240 if (ret)
241 platform_device_put(trizeps_pcmcia_device);
242
243 return ret;
244}
245
246static void __exit trizeps_pcmcia_exit(void)
247{
248 platform_device_unregister(trizeps_pcmcia_device);
249}
250
251fs_initcall(trizeps_pcmcia_init);
252module_exit(trizeps_pcmcia_exit);
253
254MODULE_LICENSE("GPL");
255MODULE_AUTHOR("Juergen Schindele");
256MODULE_ALIAS("platform:pxa2xx-pcmcia");
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-30 21:00:21 -0500