aboutsummaryrefslogtreecommitdiffstats
path: root/arch/sh/boards/renesas/r7780rp
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sh/boards/renesas/r7780rp')
-rw-r--r--arch/sh/boards/renesas/r7780rp/Makefile4
-rw-r--r--arch/sh/boards/renesas/r7780rp/io.c2
-rw-r--r--arch/sh/boards/renesas/r7780rp/irq.c10
-rw-r--r--arch/sh/boards/renesas/r7780rp/psw.c122
-rw-r--r--arch/sh/boards/renesas/r7780rp/setup.c31
5 files changed, 162 insertions, 7 deletions
diff --git a/arch/sh/boards/renesas/r7780rp/Makefile b/arch/sh/boards/renesas/r7780rp/Makefile
index f1776d027978..574b0316ed56 100644
--- a/arch/sh/boards/renesas/r7780rp/Makefile
+++ b/arch/sh/boards/renesas/r7780rp/Makefile
@@ -3,4 +3,6 @@
3# 3#
4 4
5obj-y := setup.o io.o irq.o 5obj-y := setup.o io.o irq.o
6obj-$(CONFIG_HEARTBEAT) += led.o 6
7obj-$(CONFIG_HEARTBEAT) += led.o
8obj-$(CONFIG_PUSH_SWITCH) += psw.o
diff --git a/arch/sh/boards/renesas/r7780rp/io.c b/arch/sh/boards/renesas/r7780rp/io.c
index db92d6e6ae99..311ccccba718 100644
--- a/arch/sh/boards/renesas/r7780rp/io.c
+++ b/arch/sh/boards/renesas/r7780rp/io.c
@@ -11,7 +11,7 @@
11#include <linux/pci.h> 11#include <linux/pci.h>
12#include <linux/kernel.h> 12#include <linux/kernel.h>
13#include <linux/types.h> 13#include <linux/types.h>
14#include <asm/r7780rp/r7780rp.h> 14#include <asm/r7780rp.h>
15#include <asm/addrspace.h> 15#include <asm/addrspace.h>
16#include <asm/io.h> 16#include <asm/io.h>
17 17
diff --git a/arch/sh/boards/renesas/r7780rp/irq.c b/arch/sh/boards/renesas/r7780rp/irq.c
index b544772cbc72..cc381e197783 100644
--- a/arch/sh/boards/renesas/r7780rp/irq.c
+++ b/arch/sh/boards/renesas/r7780rp/irq.c
@@ -10,7 +10,9 @@
10 */ 10 */
11#include <linux/init.h> 11#include <linux/init.h>
12#include <linux/irq.h> 12#include <linux/irq.h>
13#include <asm/io.h> 13#include <linux/interrupt.h>
14#include <linux/io.h>
15#include <asm/r7780rp.h>
14 16
15#ifdef CONFIG_SH_R7780MP 17#ifdef CONFIG_SH_R7780MP
16static int mask_pos[] = {12, 11, 9, 14, 15, 8, 13, 6, 5, 4, 3, 2, 0, 0, 1, 0}; 18static int mask_pos[] = {12, 11, 9, 14, 15, 8, 13, 6, 5, 4, 3, 2, 0, 0, 1, 0};
@@ -32,7 +34,7 @@ static void disable_r7780rp_irq(unsigned int irq)
32} 34}
33 35
34static struct irq_chip r7780rp_irq_chip __read_mostly = { 36static struct irq_chip r7780rp_irq_chip __read_mostly = {
35 .name = "r7780rp", 37 .name = "R7780RP",
36 .mask = disable_r7780rp_irq, 38 .mask = disable_r7780rp_irq,
37 .unmask = enable_r7780rp_irq, 39 .unmask = enable_r7780rp_irq,
38 .mask_ack = disable_r7780rp_irq, 40 .mask_ack = disable_r7780rp_irq,
@@ -47,8 +49,8 @@ void __init init_r7780rp_IRQ(void)
47 49
48 for (i = 0; i < 15; i++) { 50 for (i = 0; i < 15; i++) {
49 disable_irq_nosync(i); 51 disable_irq_nosync(i);
50 set_irq_chip_and_handler(i, &r7780rp_irq_chip, 52 set_irq_chip_and_handler_name(i, &r7780rp_irq_chip,
51 handle_level_irq); 53 handle_level_irq, "level");
52 enable_r7780rp_irq(i); 54 enable_r7780rp_irq(i);
53 } 55 }
54} 56}
diff --git a/arch/sh/boards/renesas/r7780rp/psw.c b/arch/sh/boards/renesas/r7780rp/psw.c
new file mode 100644
index 000000000000..c844dfa5d58d
--- /dev/null
+++ b/arch/sh/boards/renesas/r7780rp/psw.c
@@ -0,0 +1,122 @@
1/*
2 * arch/sh/boards/renesas/r7780rp/psw.c
3 *
4 * push switch support for RDBRP-1/RDBREVRP-1 debug boards.
5 *
6 * Copyright (C) 2006 Paul Mundt
7 *
8 * This file is subject to the terms and conditions of the GNU General Public
9 * License. See the file "COPYING" in the main directory of this archive
10 * for more details.
11 */
12#include <linux/io.h>
13#include <linux/init.h>
14#include <linux/interrupt.h>
15#include <linux/platform_device.h>
16#include <asm/mach/r7780rp.h>
17#include <asm/push-switch.h>
18
19static irqreturn_t psw_irq_handler(int irq, void *arg)
20{
21 struct platform_device *pdev = arg;
22 struct push_switch *psw = platform_get_drvdata(pdev);
23 struct push_switch_platform_info *psw_info = pdev->dev.platform_data;
24 unsigned int l, mask;
25 int ret = 0;
26
27 l = ctrl_inw(PA_DBSW);
28
29 /* Nothing to do if there's no state change */
30 if (psw->state) {
31 ret = 1;
32 goto out;
33 }
34
35 mask = l & 0x70;
36 /* Figure out who raised it */
37 if (mask & (1 << psw_info->bit)) {
38 psw->state = !!(mask & (1 << psw_info->bit));
39 if (psw->state) /* debounce */
40 mod_timer(&psw->debounce, jiffies + 50);
41
42 ret = 1;
43 }
44
45out:
46 /* Clear the switch IRQs */
47 l |= (0x7 << 12);
48 ctrl_outw(l, PA_DBSW);
49
50 return IRQ_RETVAL(ret);
51}
52
53static struct resource psw_resources[] = {
54 [0] = {
55 .start = IRQ_PSW,
56 .flags = IORESOURCE_IRQ,
57 },
58};
59
60static struct push_switch_platform_info s2_platform_data = {
61 .name = "s2",
62 .bit = 6,
63 .irq_flags = IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING |
64 IRQF_SHARED,
65 .irq_handler = psw_irq_handler,
66};
67
68static struct platform_device s2_switch_device = {
69 .name = "push-switch",
70 .id = 0,
71 .num_resources = ARRAY_SIZE(psw_resources),
72 .resource = psw_resources,
73 .dev = {
74 .platform_data = &s2_platform_data,
75 },
76};
77
78static struct push_switch_platform_info s3_platform_data = {
79 .name = "s3",
80 .bit = 5,
81 .irq_flags = IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING |
82 IRQF_SHARED,
83 .irq_handler = psw_irq_handler,
84};
85
86static struct platform_device s3_switch_device = {
87 .name = "push-switch",
88 .id = 1,
89 .num_resources = ARRAY_SIZE(psw_resources),
90 .resource = psw_resources,
91 .dev = {
92 .platform_data = &s3_platform_data,
93 },
94};
95
96static struct push_switch_platform_info s4_platform_data = {
97 .name = "s4",
98 .bit = 4,
99 .irq_flags = IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING |
100 IRQF_SHARED,
101 .irq_handler = psw_irq_handler,
102};
103
104static struct platform_device s4_switch_device = {
105 .name = "push-switch",
106 .id = 2,
107 .num_resources = ARRAY_SIZE(psw_resources),
108 .resource = psw_resources,
109 .dev = {
110 .platform_data = &s4_platform_data,
111 },
112};
113
114static struct platform_device *psw_devices[] = {
115 &s2_switch_device, &s3_switch_device, &s4_switch_device,
116};
117
118static int __init psw_init(void)
119{
120 return platform_add_devices(psw_devices, ARRAY_SIZE(psw_devices));
121}
122module_init(psw_init);
diff --git a/arch/sh/boards/renesas/r7780rp/setup.c b/arch/sh/boards/renesas/r7780rp/setup.c
index b941aa0aa34e..9f89c8de9db9 100644
--- a/arch/sh/boards/renesas/r7780rp/setup.c
+++ b/arch/sh/boards/renesas/r7780rp/setup.c
@@ -13,7 +13,7 @@
13#include <linux/init.h> 13#include <linux/init.h>
14#include <linux/platform_device.h> 14#include <linux/platform_device.h>
15#include <asm/machvec.h> 15#include <asm/machvec.h>
16#include <asm/r7780rp/r7780rp.h> 16#include <asm/r7780rp.h>
17#include <asm/clock.h> 17#include <asm/clock.h>
18#include <asm/io.h> 18#include <asm/io.h>
19 19
@@ -44,8 +44,37 @@ static struct platform_device m66596_usb_host_device = {
44 .resource = m66596_usb_host_resources, 44 .resource = m66596_usb_host_resources,
45}; 45};
46 46
47static struct resource cf_ide_resources[] = {
48 [0] = {
49 .start = 0x1f0,
50 .end = 0x1f0 + 8,
51 .flags = IORESOURCE_IO,
52 },
53 [1] = {
54 .start = 0x1f0 + 0x206,
55 .end = 0x1f0 + 8 + 0x206 + 8,
56 .flags = IORESOURCE_IO,
57 },
58 [2] = {
59#ifdef CONFIG_SH_R7780MP
60 .start = 1,
61#else
62 .start = 4,
63#endif
64 .flags = IORESOURCE_IRQ,
65 },
66};
67
68static struct platform_device cf_ide_device = {
69 .name = "pata_platform",
70 .id = -1,
71 .num_resources = ARRAY_SIZE(cf_ide_resources),
72 .resource = cf_ide_resources,
73};
74
47static struct platform_device *r7780rp_devices[] __initdata = { 75static struct platform_device *r7780rp_devices[] __initdata = {
48 &m66596_usb_host_device, 76 &m66596_usb_host_device,
77 &cf_ide_device,
49}; 78};
50 79
51static int __init r7780rp_devices_setup(void) 80static int __init r7780rp_devices_setup(void)
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-19 09:11:30 -0500