aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/pcmcia
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/pcmcia')
-rw-r--r--drivers/pcmcia/Kconfig3
-rw-r--r--drivers/pcmcia/Makefile1
-rw-r--r--drivers/pcmcia/electra_cf.c1
-rw-r--r--drivers/pcmcia/pxa2xx_cm_x270.c93
-rw-r--r--drivers/pcmcia/pxa2xx_palmtx.c118
5 files changed, 149 insertions, 67 deletions
diff --git a/drivers/pcmcia/Kconfig b/drivers/pcmcia/Kconfig
index e45402adac3f..e0f884034c9f 100644
--- a/drivers/pcmcia/Kconfig
+++ b/drivers/pcmcia/Kconfig
@@ -219,7 +219,8 @@ config PCMCIA_SA1111
219config PCMCIA_PXA2XX 219config 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 || MACH_ARMCORE 222 depends on (ARCH_LUBBOCK || MACH_MAINSTONE || PXA_SHARPSL \
223 || MACH_ARMCORE || ARCH_PXA_PALM)
223 help 224 help
224 Say Y here to include support for the PXA2xx PCMCIA controller 225 Say Y here to include support for the PXA2xx PCMCIA controller
225 226
diff --git a/drivers/pcmcia/Makefile b/drivers/pcmcia/Makefile
index 85c6cc931f97..269a9e913ba2 100644
--- a/drivers/pcmcia/Makefile
+++ b/drivers/pcmcia/Makefile
@@ -72,4 +72,5 @@ pxa2xx_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-$(CONFIG_MACH_ARMCORE) += pxa2xx_cm_x270.o
75pxa2xx_cs-$(CONFIG_MACH_PALMTX) += pxa2xx_palmtx.o
75 76
diff --git a/drivers/pcmcia/electra_cf.c b/drivers/pcmcia/electra_cf.c
index c21f9a9c3e3f..a34284b1482a 100644
--- a/drivers/pcmcia/electra_cf.c
+++ b/drivers/pcmcia/electra_cf.c
@@ -28,6 +28,7 @@
28#include <linux/init.h> 28#include <linux/init.h>
29#include <linux/delay.h> 29#include <linux/delay.h>
30#include <linux/interrupt.h> 30#include <linux/interrupt.h>
31#include <linux/mm.h>
31#include <linux/vmalloc.h> 32#include <linux/vmalloc.h>
32#include <linux/of_platform.h> 33#include <linux/of_platform.h>
33 34
diff --git a/drivers/pcmcia/pxa2xx_cm_x270.c b/drivers/pcmcia/pxa2xx_cm_x270.c
index f123fce65f2e..bb95db7d2b76 100644
--- a/drivers/pcmcia/pxa2xx_cm_x270.c
+++ b/drivers/pcmcia/pxa2xx_cm_x270.c
@@ -5,83 +5,60 @@
5 * it under the terms of the GNU General Public License version 2 as 5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation. 6 * published by the Free Software Foundation.
7 * 7 *
8 * Compulab Ltd., 2003, 2007 8 * Compulab Ltd., 2003, 2007, 2008
9 * Mike Rapoport <mike@compulab.co.il> 9 * Mike Rapoport <mike@compulab.co.il>
10 * 10 *
11 */ 11 */
12 12
13#include <linux/kernel.h>
14#include <linux/sched.h>
15#include <linux/platform_device.h> 13#include <linux/platform_device.h>
16#include <linux/irq.h> 14#include <linux/irq.h>
17#include <linux/delay.h> 15#include <linux/delay.h>
16#include <linux/gpio.h>
18 17
19#include <pcmcia/ss.h>
20#include <asm/hardware.h>
21#include <asm/mach-types.h> 18#include <asm/mach-types.h>
22
23#include <asm/arch/pxa-regs.h> 19#include <asm/arch/pxa-regs.h>
24#include <asm/arch/pxa2xx-gpio.h>
25#include <asm/arch/cm-x270.h>
26 20
27#include "soc_common.h" 21#include "soc_common.h"
28 22
23#define GPIO_PCMCIA_S0_CD_VALID (84)
24#define GPIO_PCMCIA_S0_RDYINT (82)
25#define GPIO_PCMCIA_RESET (53)
26
27#define PCMCIA_S0_CD_VALID IRQ_GPIO(GPIO_PCMCIA_S0_CD_VALID)
28#define PCMCIA_S0_RDYINT IRQ_GPIO(GPIO_PCMCIA_S0_RDYINT)
29
30
29static struct pcmcia_irqs irqs[] = { 31static struct pcmcia_irqs irqs[] = {
30 { 0, PCMCIA_S0_CD_VALID, "PCMCIA0 CD" }, 32 { 0, PCMCIA_S0_CD_VALID, "PCMCIA0 CD" },
31 { 1, PCMCIA_S1_CD_VALID, "PCMCIA1 CD" },
32}; 33};
33 34
34static int cmx270_pcmcia_hw_init(struct soc_pcmcia_socket *skt) 35static int cmx270_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
35{ 36{
36 GPSR(GPIO48_nPOE) = GPIO_bit(GPIO48_nPOE) | 37 int ret = gpio_request(GPIO_PCMCIA_RESET, "PCCard reset");
37 GPIO_bit(GPIO49_nPWE) | 38 if (ret)
38 GPIO_bit(GPIO50_nPIOR) | 39 return ret;
39 GPIO_bit(GPIO51_nPIOW) | 40 gpio_direction_output(GPIO_PCMCIA_RESET, 0);
40 GPIO_bit(GPIO85_nPCE_1) | 41
41 GPIO_bit(GPIO54_nPCE_2); 42 skt->irq = PCMCIA_S0_RDYINT;
42 43 ret = soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs));
43 pxa_gpio_mode(GPIO48_nPOE_MD); 44 if (!ret)
44 pxa_gpio_mode(GPIO49_nPWE_MD); 45 gpio_free(GPIO_PCMCIA_RESET);
45 pxa_gpio_mode(GPIO50_nPIOR_MD); 46
46 pxa_gpio_mode(GPIO51_nPIOW_MD); 47 return ret;
47 pxa_gpio_mode(GPIO85_nPCE_1_MD);
48 pxa_gpio_mode(GPIO54_nPCE_2_MD);
49 pxa_gpio_mode(GPIO55_nPREG_MD);
50 pxa_gpio_mode(GPIO56_nPWAIT_MD);
51 pxa_gpio_mode(GPIO57_nIOIS16_MD);
52
53 /* Reset signal */
54 pxa_gpio_mode(GPIO53_nPCE_2 | GPIO_OUT);
55 GPCR(GPIO53_nPCE_2) = GPIO_bit(GPIO53_nPCE_2);
56
57 set_irq_type(PCMCIA_S0_CD_VALID, IRQ_TYPE_EDGE_BOTH);
58 set_irq_type(PCMCIA_S1_CD_VALID, IRQ_TYPE_EDGE_BOTH);
59
60 /* irq's for slots: */
61 set_irq_type(PCMCIA_S0_RDYINT, IRQ_TYPE_EDGE_FALLING);
62 set_irq_type(PCMCIA_S1_RDYINT, IRQ_TYPE_EDGE_FALLING);
63
64 skt->irq = (skt->nr == 0) ? PCMCIA_S0_RDYINT : PCMCIA_S1_RDYINT;
65 return soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs));
66} 48}
67 49
68static void cmx270_pcmcia_shutdown(struct soc_pcmcia_socket *skt) 50static void cmx270_pcmcia_shutdown(struct soc_pcmcia_socket *skt)
69{ 51{
70 soc_pcmcia_free_irqs(skt, irqs, ARRAY_SIZE(irqs)); 52 soc_pcmcia_free_irqs(skt, irqs, ARRAY_SIZE(irqs));
71 53 gpio_free(GPIO_PCMCIA_RESET);
72 set_irq_type(IRQ_TO_GPIO(PCMCIA_S0_CD_VALID), IRQ_TYPE_NONE);
73 set_irq_type(IRQ_TO_GPIO(PCMCIA_S1_CD_VALID), IRQ_TYPE_NONE);
74
75 set_irq_type(IRQ_TO_GPIO(PCMCIA_S0_RDYINT), IRQ_TYPE_NONE);
76 set_irq_type(IRQ_TO_GPIO(PCMCIA_S1_RDYINT), IRQ_TYPE_NONE);
77} 54}
78 55
79 56
80static void cmx270_pcmcia_socket_state(struct soc_pcmcia_socket *skt, 57static void cmx270_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
81 struct pcmcia_state *state) 58 struct pcmcia_state *state)
82{ 59{
83 state->detect = (PCC_DETECT(skt->nr) == 0) ? 1 : 0; 60 state->detect = (gpio_get_value(GPIO_PCMCIA_S0_CD_VALID) == 0) ? 1 : 0;
84 state->ready = (PCC_READY(skt->nr) == 0) ? 0 : 1; 61 state->ready = (gpio_get_value(GPIO_PCMCIA_S0_RDYINT) == 0) ? 0 : 1;
85 state->bvd1 = 1; 62 state->bvd1 = 1;
86 state->bvd2 = 1; 63 state->bvd2 = 1;
87 state->vs_3v = 0; 64 state->vs_3v = 0;
@@ -93,32 +70,16 @@ static void cmx270_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
93static int cmx270_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, 70static int cmx270_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
94 const socket_state_t *state) 71 const socket_state_t *state)
95{ 72{
96 GPSR(GPIO49_nPWE) = GPIO_bit(GPIO49_nPWE);
97 pxa_gpio_mode(GPIO49_nPWE | GPIO_OUT);
98
99 switch (skt->nr) { 73 switch (skt->nr) {
100 case 0: 74 case 0:
101 if (state->flags & SS_RESET) { 75 if (state->flags & SS_RESET) {
102 GPCR(GPIO49_nPWE) = GPIO_bit(GPIO49_nPWE); 76 gpio_set_value(GPIO_PCMCIA_RESET, 1);
103 GPSR(GPIO53_nPCE_2) = GPIO_bit(GPIO53_nPCE_2);
104 udelay(10);
105 GPCR(GPIO53_nPCE_2) = GPIO_bit(GPIO53_nPCE_2);
106 GPSR(GPIO49_nPWE) = GPIO_bit(GPIO49_nPWE);
107 }
108 break;
109 case 1:
110 if (state->flags & SS_RESET) {
111 GPCR(GPIO49_nPWE) = GPIO_bit(GPIO49_nPWE);
112 GPSR(GPIO53_nPCE_2) = GPIO_bit(GPIO53_nPCE_2);
113 udelay(10); 77 udelay(10);
114 GPCR(GPIO53_nPCE_2) = GPIO_bit(GPIO53_nPCE_2); 78 gpio_set_value(GPIO_PCMCIA_RESET, 0);
115 GPSR(GPIO49_nPWE) = GPIO_bit(GPIO49_nPWE);
116 } 79 }
117 break; 80 break;
118 } 81 }
119 82
120 pxa_gpio_mode(GPIO49_nPWE_MD);
121
122 return 0; 83 return 0;
123} 84}
124 85
@@ -139,7 +100,7 @@ static struct pcmcia_low_level cmx270_pcmcia_ops __initdata = {
139 .configure_socket = cmx270_pcmcia_configure_socket, 100 .configure_socket = cmx270_pcmcia_configure_socket,
140 .socket_init = cmx270_pcmcia_socket_init, 101 .socket_init = cmx270_pcmcia_socket_init,
141 .socket_suspend = cmx270_pcmcia_socket_suspend, 102 .socket_suspend = cmx270_pcmcia_socket_suspend,
142 .nr = 2, 103 .nr = 1,
143}; 104};
144 105
145static struct platform_device *cmx270_pcmcia_device; 106static struct platform_device *cmx270_pcmcia_device;
diff --git a/drivers/pcmcia/pxa2xx_palmtx.c b/drivers/pcmcia/pxa2xx_palmtx.c
new file mode 100644
index 000000000000..4abde190c1f5
--- /dev/null
+++ b/drivers/pcmcia/pxa2xx_palmtx.c
@@ -0,0 +1,118 @@
1/*
2 * linux/drivers/pcmcia/pxa2xx_palmtx.c
3 *
4 * Driver for Palm T|X PCMCIA
5 *
6 * Copyright (C) 2007-2008 Marek Vasut <marek.vasut@gmail.com>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 *
12 */
13
14#include <linux/module.h>
15#include <linux/platform_device.h>
16
17#include <asm/mach-types.h>
18
19#include <asm/arch/gpio.h>
20#include <asm/arch/palmtx.h>
21
22#include "soc_common.h"
23
24static int palmtx_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
25{
26 skt->irq = IRQ_GPIO(GPIO_NR_PALMTX_PCMCIA_READY);
27 return 0;
28}
29
30static void palmtx_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
31{
32}
33
34static void palmtx_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
35 struct pcmcia_state *state)
36{
37 state->detect = 1; /* always inserted */
38 state->ready = !!gpio_get_value(GPIO_NR_PALMTX_PCMCIA_READY);
39 state->bvd1 = 1;
40 state->bvd2 = 1;
41 state->wrprot = 0;
42 state->vs_3v = 1;
43 state->vs_Xv = 0;
44}
45
46static int
47palmtx_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
48 const socket_state_t *state)
49{
50 gpio_set_value(GPIO_NR_PALMTX_PCMCIA_POWER1, 1);
51 gpio_set_value(GPIO_NR_PALMTX_PCMCIA_POWER2, 1);
52 gpio_set_value(GPIO_NR_PALMTX_PCMCIA_RESET,
53 !!(state->flags & SS_RESET));
54
55 return 0;
56}
57
58static void palmtx_pcmcia_socket_init(struct soc_pcmcia_socket *skt)
59{
60}
61
62static void palmtx_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt)
63{
64}
65
66static struct pcmcia_low_level palmtx_pcmcia_ops = {
67 .owner = THIS_MODULE,
68
69 .first = 0,
70 .nr = 1,
71
72 .hw_init = palmtx_pcmcia_hw_init,
73 .hw_shutdown = palmtx_pcmcia_hw_shutdown,
74
75 .socket_state = palmtx_pcmcia_socket_state,
76 .configure_socket = palmtx_pcmcia_configure_socket,
77
78 .socket_init = palmtx_pcmcia_socket_init,
79 .socket_suspend = palmtx_pcmcia_socket_suspend,
80};
81
82static struct platform_device *palmtx_pcmcia_device;
83
84static int __init palmtx_pcmcia_init(void)
85{
86 int ret;
87
88 if (!machine_is_palmtx())
89 return -ENODEV;
90
91 palmtx_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1);
92 if (!palmtx_pcmcia_device)
93 return -ENOMEM;
94
95 ret = platform_device_add_data(palmtx_pcmcia_device, &palmtx_pcmcia_ops,
96 sizeof(palmtx_pcmcia_ops));
97
98 if (!ret)
99 ret = platform_device_add(palmtx_pcmcia_device);
100
101 if (ret)
102 platform_device_put(palmtx_pcmcia_device);
103
104 return ret;
105}
106
107static void __exit palmtx_pcmcia_exit(void)
108{
109 platform_device_unregister(palmtx_pcmcia_device);
110}
111
112fs_initcall(palmtx_pcmcia_init);
113module_exit(palmtx_pcmcia_exit);
114
115MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>");
116MODULE_DESCRIPTION("PCMCIA support for Palm T|X");
117MODULE_ALIAS("platform:pxa2xx-pcmcia");
118MODULE_LICENSE("GPL");