diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-23 21:24:08 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-23 21:24:08 -0400 |
commit | 30d38542ec777468bb6a31829076a2dbc5690e35 (patch) | |
tree | 698b7a4fdd730befa34c4c9642cdbe72ce7d336a /drivers/pcmcia | |
parent | 20b7997e8abdf338dcc27fb4f1333c4973a7f113 (diff) | |
parent | 044e5f45e4ad890d03bd1e8bb44c634397cac24d (diff) |
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (85 commits)
[ARM] pxa: add base support for PXA930 Handheld Platform (aka SAAR)
[ARM] pxa: add base support for PXA930 Evaluation Board (aka TavorEVB)
[ARM] pxa: add base support for PXA930 (aka Tavor-P)
[ARM] Update mach-types
[ARM] pxa: make littleton to use the new smc91x platform data
[ARM] pxa: make zylonite to use the new smc91x platform data
[ARM] pxa: make mainstone to use the new smc91x platform data
[ARM] pxa: make lubbock to use new smc91x platform data
[NET] smc91x: prepare SMC_USE_PXA_DMA to be specified in platform data
[NET] smc91x: prepare for SMC_IO_SHIFT to be a platform configurable variable
[NET] smc91x: add SMC91X_NOWAIT flag to platform data
[NET] smc91x: favor the use of SMC91X_USE_* instead of SMC_CAN_USE_*
[NET] smc91x: remove "irq_flags" from "struct smc91x_platdata"
[ARM] 5146/1: pxa2xx: convert all boards to call pxa2xx_transceiver_mode helper
Support for LCD on e740 e750 e400 and e800 e-series PDAs
E-series UDC support
PXA UDC - allow use of inverted GPIO for pullup
Add e350 support
Fix broken e-series build
E-series GPIO / IRQ definitions.
...
Diffstat (limited to 'drivers/pcmcia')
-rw-r--r-- | drivers/pcmcia/Kconfig | 3 | ||||
-rw-r--r-- | drivers/pcmcia/Makefile | 1 | ||||
-rw-r--r-- | drivers/pcmcia/pxa2xx_cm_x270.c | 93 | ||||
-rw-r--r-- | drivers/pcmcia/pxa2xx_palmtx.c | 118 |
4 files changed, 148 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 | |||
219 | config PCMCIA_PXA2XX | 219 | 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 || 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-$(CONFIG_ARCH_LUBBOCK) += pxa2xx_lubbock.o sa1111_generic.o | |||
72 | pxa2xx_cs-$(CONFIG_MACH_MAINSTONE) += pxa2xx_mainstone.o | 72 | pxa2xx_cs-$(CONFIG_MACH_MAINSTONE) += pxa2xx_mainstone.o |
73 | pxa2xx_cs-$(CONFIG_PXA_SHARPSL) += pxa2xx_sharpsl.o | 73 | pxa2xx_cs-$(CONFIG_PXA_SHARPSL) += pxa2xx_sharpsl.o |
74 | pxa2xx_cs-$(CONFIG_MACH_ARMCORE) += pxa2xx_cm_x270.o | 74 | pxa2xx_cs-$(CONFIG_MACH_ARMCORE) += pxa2xx_cm_x270.o |
75 | pxa2xx_cs-$(CONFIG_MACH_PALMTX) += pxa2xx_palmtx.o | ||
75 | 76 | ||
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 | |||
29 | static struct pcmcia_irqs irqs[] = { | 31 | static 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 | ||
34 | static int cmx270_pcmcia_hw_init(struct soc_pcmcia_socket *skt) | 35 | static 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 | ||
68 | static void cmx270_pcmcia_shutdown(struct soc_pcmcia_socket *skt) | 50 | static 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 | ||
80 | static void cmx270_pcmcia_socket_state(struct soc_pcmcia_socket *skt, | 57 | static 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, | |||
93 | static int cmx270_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, | 70 | static 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 | ||
145 | static struct platform_device *cmx270_pcmcia_device; | 106 | static 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 | |||
24 | static 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 | |||
30 | static void palmtx_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) | ||
31 | { | ||
32 | } | ||
33 | |||
34 | static 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 | |||
46 | static int | ||
47 | palmtx_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 | |||
58 | static void palmtx_pcmcia_socket_init(struct soc_pcmcia_socket *skt) | ||
59 | { | ||
60 | } | ||
61 | |||
62 | static void palmtx_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt) | ||
63 | { | ||
64 | } | ||
65 | |||
66 | static 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 | |||
82 | static struct platform_device *palmtx_pcmcia_device; | ||
83 | |||
84 | static 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 | |||
107 | static void __exit palmtx_pcmcia_exit(void) | ||
108 | { | ||
109 | platform_device_unregister(palmtx_pcmcia_device); | ||
110 | } | ||
111 | |||
112 | fs_initcall(palmtx_pcmcia_init); | ||
113 | module_exit(palmtx_pcmcia_exit); | ||
114 | |||
115 | MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>"); | ||
116 | MODULE_DESCRIPTION("PCMCIA support for Palm T|X"); | ||
117 | MODULE_ALIAS("platform:pxa2xx-pcmcia"); | ||
118 | MODULE_LICENSE("GPL"); | ||