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-rw-r--r--meta/recipes-kernel/linux/linux-2.6.23/cm-x270/0005-cm-x270-pcmcia.patch228
1 files changed, 228 insertions, 0 deletions
diff --git a/meta/recipes-kernel/linux/linux-2.6.23/cm-x270/0005-cm-x270-pcmcia.patch b/meta/recipes-kernel/linux/linux-2.6.23/cm-x270/0005-cm-x270-pcmcia.patch
new file mode 100644
index 0000000000..7dceff5c9d
--- /dev/null
+++ b/meta/recipes-kernel/linux/linux-2.6.23/cm-x270/0005-cm-x270-pcmcia.patch
@@ -0,0 +1,228 @@
1From 338653da8f8afcdf8afc7e8a5a0104d5083597cc Mon Sep 17 00:00:00 2001
2From: Cliff Brake <cbrake@happy.dev.bec-systems.com>
3Date: Fri, 20 Jul 2007 19:01:27 -0400
4Subject: [PATCH] cm-x270-pcmcia
5
6---
7 drivers/pcmcia/Makefile | 1 +
8 drivers/pcmcia/pxa2xx_cm_x270.c | 198 +++++++++++++++++++++++++++++++++++++++
9 2 files changed, 199 insertions(+), 0 deletions(-)
10 create mode 100644 drivers/pcmcia/pxa2xx_cm_x270.c
11
12diff --git a/drivers/pcmcia/Makefile b/drivers/pcmcia/Makefile
13index 4276965..353d5b7 100644
14--- a/drivers/pcmcia/Makefile
15+++ b/drivers/pcmcia/Makefile
16@@ -69,4 +69,5 @@ sa1100_cs-$(CONFIG_SA1100_SIMPAD) += sa1100_simpad.o
17 pxa2xx_cs-$(CONFIG_ARCH_LUBBOCK) += pxa2xx_lubbock.o sa1111_generic.o
18 pxa2xx_cs-$(CONFIG_MACH_MAINSTONE) += pxa2xx_mainstone.o
19 pxa2xx_cs-$(CONFIG_PXA_SHARPSL) += pxa2xx_sharpsl.o
20+pxa2xx_cs-$(CONFIG_MACH_ARMCORE) += pxa2xx_cm_x270.o
21
22diff --git a/drivers/pcmcia/pxa2xx_cm_x270.c b/drivers/pcmcia/pxa2xx_cm_x270.c
23new file mode 100644
24index 0000000..25e369f
25--- /dev/null
26+++ b/drivers/pcmcia/pxa2xx_cm_x270.c
27@@ -0,0 +1,198 @@
28+/*
29+ * linux/drivers/pcmcia/pxa/pxa_armcore.c
30+ *
31+ * This program is free software; you can redistribute it and/or modify
32+ * it under the terms of the GNU General Public License version 2 as
33+ * published by the Free Software Foundation.
34+ *
35+ * Compulab Ltd., 2003
36+ *
37+ */
38+
39+#include <linux/kernel.h>
40+#include <linux/sched.h>
41+#include <linux/platform_device.h>
42+#include <linux/irq.h>
43+
44+#include <pcmcia/ss.h>
45+#include <asm/delay.h>
46+#include <asm/hardware.h>
47+
48+#include <asm/arch/pxa-regs.h>
49+#include <asm/arch/cm-x270.h>
50+
51+#include "soc_common.h"
52+
53+
54+static struct pcmcia_irqs irqs[] = {
55+ { 0, PCMCIA_S0_CD_VALID, "PCMCIA0 CD" },
56+ { 1, PCMCIA_S1_CD_VALID, "PCMCIA1 CD" },
57+};
58+
59+
60+static int
61+cmx270_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
62+{
63+ int return_val=0;
64+
65+ GPSR(GPIO48_nPOE) = GPIO_bit(GPIO48_nPOE) |
66+ GPIO_bit(GPIO49_nPWE) |
67+ GPIO_bit(GPIO50_nPIOR) |
68+ GPIO_bit(GPIO51_nPIOW) |
69+ GPIO_bit(GPIO85_nPCE_1) |
70+ GPIO_bit(GPIO54_nPCE_2);
71+
72+ pxa_gpio_mode(GPIO48_nPOE_MD);
73+ pxa_gpio_mode(GPIO49_nPWE_MD);
74+ pxa_gpio_mode(GPIO50_nPIOR_MD);
75+ pxa_gpio_mode(GPIO51_nPIOW_MD);
76+ pxa_gpio_mode(GPIO85_nPCE_1_MD);
77+ pxa_gpio_mode(GPIO54_nPCE_2_MD);
78+ //pxa_gpio_mode(GPIO79_pSKTSEL_MD); /* REVISIT: s/b dependent on num sockets (on ATX base not routed)*/
79+ pxa_gpio_mode(GPIO55_nPREG_MD);
80+ pxa_gpio_mode(GPIO56_nPWAIT_MD);
81+ pxa_gpio_mode(GPIO57_nIOIS16_MD);
82+
83+ // Reset signal
84+ GPDR(GPIO53_nPCE_2) |= GPIO_bit(GPIO53_nPCE_2);
85+ GPCR(GPIO53_nPCE_2) = GPIO_bit(GPIO53_nPCE_2);
86+
87+ GPDR(IRQ_TO_GPIO(PCMCIA_S0_CD_VALID)) &= ~GPIO_bit(IRQ_TO_GPIO(PCMCIA_S0_CD_VALID));
88+ GPDR(IRQ_TO_GPIO(PCMCIA_S1_CD_VALID)) &= ~GPIO_bit(IRQ_TO_GPIO(PCMCIA_S1_CD_VALID));
89+
90+ set_irq_type(PCMCIA_S0_CD_VALID, IRQ_TYPE_EDGE_BOTH);
91+ set_irq_type(PCMCIA_S1_CD_VALID, IRQ_TYPE_EDGE_BOTH);
92+
93+ //irq's for slots:
94+ GPDR(IRQ_TO_GPIO(PCMCIA_S0_RDYINT)) &= ~GPIO_bit(IRQ_TO_GPIO(PCMCIA_S0_RDYINT));
95+ GPDR(IRQ_TO_GPIO(PCMCIA_S1_RDYINT)) &= ~GPIO_bit(IRQ_TO_GPIO(PCMCIA_S1_RDYINT));
96+
97+ set_irq_type(PCMCIA_S0_RDYINT, IRQ_TYPE_EDGE_FALLING);
98+ set_irq_type(PCMCIA_S1_RDYINT, IRQ_TYPE_EDGE_FALLING);
99+
100+ skt->irq = (skt->nr == 0) ? PCMCIA_S0_RDYINT : PCMCIA_S1_RDYINT;
101+ return_val = soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs));
102+
103+ return return_val;
104+}
105+
106+
107+static void cmx270_pcmcia_shutdown(struct soc_pcmcia_socket *skt)
108+{
109+ soc_pcmcia_free_irqs(skt, irqs, ARRAY_SIZE(irqs));
110+
111+ set_irq_type(IRQ_TO_GPIO(PCMCIA_S0_CD_VALID), IRQ_TYPE_NONE);
112+ set_irq_type(IRQ_TO_GPIO(PCMCIA_S1_CD_VALID), IRQ_TYPE_NONE);
113+
114+ set_irq_type(IRQ_TO_GPIO(PCMCIA_S0_RDYINT), IRQ_TYPE_NONE);
115+ set_irq_type(IRQ_TO_GPIO(PCMCIA_S1_RDYINT), IRQ_TYPE_NONE);
116+}
117+
118+
119+static void cmx270_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
120+ struct pcmcia_state *state)
121+{
122+
123+ state->detect = (PCC_DETECT(skt->nr) == 0) ? 1 : 0;
124+ state->ready = (PCC_READY(skt->nr) == 0) ? 0 : 1;
125+ state->bvd1 = 1;
126+ state->bvd2 = 1;
127+ state->vs_3v = 0;
128+ state->vs_Xv = 0;
129+ state->wrprot = 0; /* not available */
130+
131+}
132+
133+
134+static int
135+cmx270_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
136+ const socket_state_t *state)
137+{
138+
139+ GPSR(GPIO49_nPWE) = GPIO_bit(GPIO49_nPWE);
140+ pxa_gpio_mode(GPIO49_nPWE | GPIO_OUT);
141+ //pxa_gpio_mode(GPIO79_pSKTSEL_MD | GPIO_OUT); /* For 2-socket mode */
142+
143+ switch(skt->nr){
144+ case 0:
145+ if(state->flags & SS_RESET) {
146+ //GPCR(GPIO79_pSKTSEL) = GPIO_bit(GPIO79_pSKTSEL); /* For 2-socket mode */
147+ //udelay(1);
148+ GPCR(GPIO49_nPWE) = GPIO_bit(GPIO49_nPWE);
149+ GPSR(GPIO53_nPCE_2) = GPIO_bit(GPIO53_nPCE_2);
150+ udelay(10);
151+ GPCR(GPIO53_nPCE_2) = GPIO_bit(GPIO53_nPCE_2);
152+ GPSR(GPIO49_nPWE) = GPIO_bit(GPIO49_nPWE);
153+ }
154+ break;
155+ case 1:
156+ if(state->flags & SS_RESET) {
157+ //GPCR(GPIO79_pSKTSEL) = GPIO_bit(GPIO79_pSKTSEL); /* For 2-socket mode */
158+ //udelay(1);
159+ GPCR(GPIO49_nPWE) = GPIO_bit(GPIO49_nPWE);
160+ GPSR(GPIO53_nPCE_2) = GPIO_bit(GPIO53_nPCE_2);
161+ udelay(10);
162+ GPCR(GPIO53_nPCE_2) = GPIO_bit(GPIO53_nPCE_2);
163+ GPSR(GPIO49_nPWE) = GPIO_bit(GPIO49_nPWE);
164+ }
165+ break;
166+ }
167+
168+ pxa_gpio_mode(GPIO49_nPWE_MD);
169+ //pxa_gpio_mode(GPIO79_pSKTSEL_MD); /* For 2-socket mode */
170+
171+
172+ return 0;
173+}
174+
175+static void cmx270_pcmcia_socket_init(struct soc_pcmcia_socket *skt)
176+{
177+}
178+
179+static void cmx270_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt)
180+{
181+}
182+
183+
184+static struct pcmcia_low_level cmx270_pcmcia_ops = {
185+ .owner = THIS_MODULE,
186+ .hw_init = cmx270_pcmcia_hw_init,
187+ .hw_shutdown = cmx270_pcmcia_shutdown,
188+ .socket_state = cmx270_pcmcia_socket_state,
189+ .configure_socket = cmx270_pcmcia_configure_socket,
190+ .socket_init = cmx270_pcmcia_socket_init,
191+ .socket_suspend = cmx270_pcmcia_socket_suspend,
192+ .nr = 2,
193+};
194+
195+static struct platform_device *cmx270_pcmcia_device;
196+
197+static int __init cmx270_pcmcia_init(void)
198+{
199+ int ret;
200+
201+ cmx270_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1);
202+
203+ if (!cmx270_pcmcia_device)
204+ return -ENOMEM;
205+
206+ cmx270_pcmcia_device->dev.platform_data = &cmx270_pcmcia_ops;
207+
208+ printk ("Registering cm-x270 PCMCIA interface.\n");
209+ ret = platform_device_add(cmx270_pcmcia_device);
210+
211+ if (ret)
212+ platform_device_put(cmx270_pcmcia_device);
213+
214+ return ret;
215+}
216+
217+static void __exit cmx270_pcmcia_exit(void)
218+{
219+ platform_device_unregister(cmx270_pcmcia_device);
220+}
221+
222+module_init(cmx270_pcmcia_init);
223+module_exit(cmx270_pcmcia_exit);
224+
225+MODULE_LICENSE("GPL");
226--
2271.5.1.6
228
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