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-rw-r--r--arch/arm/mach-omap1/include/mach/gpio.h5
-rw-r--r--arch/arm/mach-omap1/include/mach/smp.h5
-rw-r--r--arch/arm/mach-omap1/include/mach/system.h5
-rw-r--r--arch/arm/mach-omap1/include/mach/vmalloc.h20
-rw-r--r--arch/arm/mach-omap1/leds-h2p2-debug.c167
-rw-r--r--arch/arm/mach-omap1/leds-innovator.c99
-rw-r--r--arch/arm/mach-omap1/leds-osk.c115
-rw-r--r--arch/arm/mach-omap1/leds.c69
-rw-r--r--arch/arm/mach-omap1/leds.h3
9 files changed, 488 insertions, 0 deletions
diff --git a/arch/arm/mach-omap1/include/mach/gpio.h b/arch/arm/mach-omap1/include/mach/gpio.h
new file mode 100644
index 00000000000..e737706a8fe
--- /dev/null
+++ b/arch/arm/mach-omap1/include/mach/gpio.h
@@ -0,0 +1,5 @@
1/*
2 * arch/arm/mach-omap1/include/mach/gpio.h
3 */
4
5#include <plat/gpio.h>
diff --git a/arch/arm/mach-omap1/include/mach/smp.h b/arch/arm/mach-omap1/include/mach/smp.h
new file mode 100644
index 00000000000..80a371c06e5
--- /dev/null
+++ b/arch/arm/mach-omap1/include/mach/smp.h
@@ -0,0 +1,5 @@
1/*
2 * arch/arm/mach-omap1/include/mach/smp.h
3 */
4
5#include <plat/smp.h>
diff --git a/arch/arm/mach-omap1/include/mach/system.h b/arch/arm/mach-omap1/include/mach/system.h
new file mode 100644
index 00000000000..a6c1b3a16df
--- /dev/null
+++ b/arch/arm/mach-omap1/include/mach/system.h
@@ -0,0 +1,5 @@
1/*
2 * arch/arm/mach-omap1/include/mach/system.h
3 */
4
5#include <plat/system.h>
diff --git a/arch/arm/mach-omap1/include/mach/vmalloc.h b/arch/arm/mach-omap1/include/mach/vmalloc.h
new file mode 100644
index 00000000000..22ec4a47957
--- /dev/null
+++ b/arch/arm/mach-omap1/include/mach/vmalloc.h
@@ -0,0 +1,20 @@
1/*
2 * arch/arm/mach-omap1/include/mach/vmalloc.h
3 *
4 * Copyright (C) 2000 Russell King.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20#define VMALLOC_END 0xd8000000UL
diff --git a/arch/arm/mach-omap1/leds-h2p2-debug.c b/arch/arm/mach-omap1/leds-h2p2-debug.c
new file mode 100644
index 00000000000..b4f9be52e1e
--- /dev/null
+++ b/arch/arm/mach-omap1/leds-h2p2-debug.c
@@ -0,0 +1,167 @@
1/*
2 * linux/arch/arm/mach-omap1/leds-h2p2-debug.c
3 *
4 * Copyright 2003 by Texas Instruments Incorporated
5 *
6 * There are 16 LEDs on the debug board (all green); four may be used
7 * for logical 'green', 'amber', 'red', and 'blue' (after "claiming").
8 *
9 * The "surfer" expansion board and H2 sample board also have two-color
10 * green+red LEDs (in parallel), used here for timer and idle indicators.
11 */
12#include <linux/init.h>
13#include <linux/kernel_stat.h>
14#include <linux/sched.h>
15#include <linux/io.h>
16
17#include <mach/hardware.h>
18#include <asm/leds.h>
19#include <asm/system.h>
20#include <asm/mach-types.h>
21
22#include <plat/fpga.h>
23#include <mach/gpio.h>
24
25#include "leds.h"
26
27
28#define GPIO_LED_RED 3
29#define GPIO_LED_GREEN OMAP_MPUIO(4)
30
31
32#define LED_STATE_ENABLED 0x01
33#define LED_STATE_CLAIMED 0x02
34#define LED_TIMER_ON 0x04
35
36#define GPIO_IDLE GPIO_LED_GREEN
37#define GPIO_TIMER GPIO_LED_RED
38
39
40void h2p2_dbg_leds_event(led_event_t evt)
41{
42 unsigned long flags;
43
44 static struct h2p2_dbg_fpga __iomem *fpga;
45 static u16 led_state, hw_led_state;
46
47 local_irq_save(flags);
48
49 if (!(led_state & LED_STATE_ENABLED) && evt != led_start)
50 goto done;
51
52 switch (evt) {
53 case led_start:
54 if (!fpga)
55 fpga = ioremap(H2P2_DBG_FPGA_START,
56 H2P2_DBG_FPGA_SIZE);
57 if (fpga) {
58 led_state |= LED_STATE_ENABLED;
59 __raw_writew(~0, &fpga->leds);
60 }
61 break;
62
63 case led_stop:
64 case led_halted:
65 /* all leds off during suspend or shutdown */
66
67 if (! machine_is_omap_perseus2()) {
68 gpio_set_value(GPIO_TIMER, 0);
69 gpio_set_value(GPIO_IDLE, 0);
70 }
71
72 __raw_writew(~0, &fpga->leds);
73 led_state &= ~LED_STATE_ENABLED;
74 if (evt == led_halted) {
75 iounmap(fpga);
76 fpga = NULL;
77 }
78
79 goto done;
80
81 case led_claim:
82 led_state |= LED_STATE_CLAIMED;
83 hw_led_state = 0;
84 break;
85
86 case led_release:
87 led_state &= ~LED_STATE_CLAIMED;
88 break;
89
90#ifdef CONFIG_LEDS_TIMER
91 case led_timer:
92 led_state ^= LED_TIMER_ON;
93
94 if (machine_is_omap_perseus2())
95 hw_led_state ^= H2P2_DBG_FPGA_P2_LED_TIMER;
96 else {
97 gpio_set_value(GPIO_TIMER, led_state & LED_TIMER_ON);
98 goto done;
99 }
100
101 break;
102#endif
103
104#ifdef CONFIG_LEDS_CPU
105 case led_idle_start:
106 if (machine_is_omap_perseus2())
107 hw_led_state |= H2P2_DBG_FPGA_P2_LED_IDLE;
108 else {
109 gpio_set_value(GPIO_IDLE, 1);
110 goto done;
111 }
112
113 break;
114
115 case led_idle_end:
116 if (machine_is_omap_perseus2())
117 hw_led_state &= ~H2P2_DBG_FPGA_P2_LED_IDLE;
118 else {
119 gpio_set_value(GPIO_IDLE, 0);
120 goto done;
121 }
122
123 break;
124#endif
125
126 case led_green_on:
127 hw_led_state |= H2P2_DBG_FPGA_LED_GREEN;
128 break;
129 case led_green_off:
130 hw_led_state &= ~H2P2_DBG_FPGA_LED_GREEN;
131 break;
132
133 case led_amber_on:
134 hw_led_state |= H2P2_DBG_FPGA_LED_AMBER;
135 break;
136 case led_amber_off:
137 hw_led_state &= ~H2P2_DBG_FPGA_LED_AMBER;
138 break;
139
140 case led_red_on:
141 hw_led_state |= H2P2_DBG_FPGA_LED_RED;
142 break;
143 case led_red_off:
144 hw_led_state &= ~H2P2_DBG_FPGA_LED_RED;
145 break;
146
147 case led_blue_on:
148 hw_led_state |= H2P2_DBG_FPGA_LED_BLUE;
149 break;
150 case led_blue_off:
151 hw_led_state &= ~H2P2_DBG_FPGA_LED_BLUE;
152 break;
153
154 default:
155 break;
156 }
157
158
159 /*
160 * Actually burn the LEDs
161 */
162 if (led_state & LED_STATE_ENABLED)
163 __raw_writew(~hw_led_state, &fpga->leds);
164
165done:
166 local_irq_restore(flags);
167}
diff --git a/arch/arm/mach-omap1/leds-innovator.c b/arch/arm/mach-omap1/leds-innovator.c
new file mode 100644
index 00000000000..9b99c289462
--- /dev/null
+++ b/arch/arm/mach-omap1/leds-innovator.c
@@ -0,0 +1,99 @@
1/*
2 * linux/arch/arm/mach-omap1/leds-innovator.c
3 */
4#include <linux/init.h>
5
6#include <mach/hardware.h>
7#include <asm/leds.h>
8#include <asm/system.h>
9
10#include "leds.h"
11
12
13#define LED_STATE_ENABLED 1
14#define LED_STATE_CLAIMED 2
15
16static unsigned int led_state;
17static unsigned int hw_led_state;
18
19void innovator_leds_event(led_event_t evt)
20{
21 unsigned long flags;
22
23 local_irq_save(flags);
24
25 switch (evt) {
26 case led_start:
27 hw_led_state = 0;
28 led_state = LED_STATE_ENABLED;
29 break;
30
31 case led_stop:
32 led_state &= ~LED_STATE_ENABLED;
33 hw_led_state = 0;
34 break;
35
36 case led_claim:
37 led_state |= LED_STATE_CLAIMED;
38 hw_led_state = 0;
39 break;
40
41 case led_release:
42 led_state &= ~LED_STATE_CLAIMED;
43 hw_led_state = 0;
44 break;
45
46#ifdef CONFIG_LEDS_TIMER
47 case led_timer:
48 if (!(led_state & LED_STATE_CLAIMED))
49 hw_led_state ^= 0;
50 break;
51#endif
52
53#ifdef CONFIG_LEDS_CPU
54 case led_idle_start:
55 if (!(led_state & LED_STATE_CLAIMED))
56 hw_led_state |= 0;
57 break;
58
59 case led_idle_end:
60 if (!(led_state & LED_STATE_CLAIMED))
61 hw_led_state &= ~0;
62 break;
63#endif
64
65 case led_halted:
66 break;
67
68 case led_green_on:
69 if (led_state & LED_STATE_CLAIMED)
70 hw_led_state &= ~0;
71 break;
72
73 case led_green_off:
74 if (led_state & LED_STATE_CLAIMED)
75 hw_led_state |= 0;
76 break;
77
78 case led_amber_on:
79 break;
80
81 case led_amber_off:
82 break;
83
84 case led_red_on:
85 if (led_state & LED_STATE_CLAIMED)
86 hw_led_state &= ~0;
87 break;
88
89 case led_red_off:
90 if (led_state & LED_STATE_CLAIMED)
91 hw_led_state |= 0;
92 break;
93
94 default:
95 break;
96 }
97
98 local_irq_restore(flags);
99}
diff --git a/arch/arm/mach-omap1/leds-osk.c b/arch/arm/mach-omap1/leds-osk.c
new file mode 100644
index 00000000000..499d7ad8697
--- /dev/null
+++ b/arch/arm/mach-omap1/leds-osk.c
@@ -0,0 +1,115 @@
1/*
2 * linux/arch/arm/mach-omap1/leds-osk.c
3 *
4 * LED driver for OSK with optional Mistral QVGA board
5 */
6#include <linux/init.h>
7
8#include <mach/hardware.h>
9#include <asm/leds.h>
10#include <asm/system.h>
11
12#include <mach/gpio.h>
13
14#include "leds.h"
15
16
17#define LED_STATE_ENABLED (1 << 0)
18#define LED_STATE_CLAIMED (1 << 1)
19static u8 led_state;
20
21#define TIMER_LED (1 << 3) /* Mistral board */
22#define IDLE_LED (1 << 4) /* Mistral board */
23static u8 hw_led_state;
24
25
26#ifdef CONFIG_OMAP_OSK_MISTRAL
27
28/* For now, all system indicators require the Mistral board, since that
29 * LED can be manipulated without a task context. This LED is either red,
30 * or green, but not both; it can't give the full "disco led" effect.
31 */
32
33#define GPIO_LED_RED 3
34#define GPIO_LED_GREEN OMAP_MPUIO(4)
35
36static void mistral_setled(void)
37{
38 int red = 0;
39 int green = 0;
40
41 if (hw_led_state & TIMER_LED)
42 red = 1;
43 else if (hw_led_state & IDLE_LED)
44 green = 1;
45 /* else both sides are disabled */
46
47 gpio_set_value(GPIO_LED_GREEN, green);
48 gpio_set_value(GPIO_LED_RED, red);
49}
50
51#endif
52
53void osk_leds_event(led_event_t evt)
54{
55 unsigned long flags;
56 u16 leds;
57
58 local_irq_save(flags);
59
60 if (!(led_state & LED_STATE_ENABLED) && evt != led_start)
61 goto done;
62
63 leds = hw_led_state;
64 switch (evt) {
65 case led_start:
66 led_state |= LED_STATE_ENABLED;
67 hw_led_state = 0;
68 leds = ~0;
69 break;
70
71 case led_halted:
72 case led_stop:
73 led_state &= ~LED_STATE_ENABLED;
74 hw_led_state = 0;
75 break;
76
77 case led_claim:
78 led_state |= LED_STATE_CLAIMED;
79 hw_led_state = 0;
80 leds = ~0;
81 break;
82
83 case led_release:
84 led_state &= ~LED_STATE_CLAIMED;
85 hw_led_state = 0;
86 break;
87
88#ifdef CONFIG_OMAP_OSK_MISTRAL
89
90 case led_timer:
91 hw_led_state ^= TIMER_LED;
92 mistral_setled();
93 break;
94
95 case led_idle_start: /* idle == off */
96 hw_led_state &= ~IDLE_LED;
97 mistral_setled();
98 break;
99
100 case led_idle_end:
101 hw_led_state |= IDLE_LED;
102 mistral_setled();
103 break;
104
105#endif /* CONFIG_OMAP_OSK_MISTRAL */
106
107 default:
108 break;
109 }
110
111 leds ^= hw_led_state;
112
113done:
114 local_irq_restore(flags);
115}
diff --git a/arch/arm/mach-omap1/leds.c b/arch/arm/mach-omap1/leds.c
new file mode 100644
index 00000000000..22eb11dde9e
--- /dev/null
+++ b/arch/arm/mach-omap1/leds.c
@@ -0,0 +1,69 @@
1/*
2 * linux/arch/arm/mach-omap1/leds.c
3 *
4 * OMAP LEDs dispatcher
5 */
6#include <linux/kernel.h>
7#include <linux/init.h>
8
9#include <asm/leds.h>
10#include <asm/mach-types.h>
11
12#include <mach/gpio.h>
13#include <plat/mux.h>
14
15#include "leds.h"
16
17static int __init
18omap_leds_init(void)
19{
20 if (!cpu_class_is_omap1())
21 return -ENODEV;
22
23 if (machine_is_omap_innovator())
24 leds_event = innovator_leds_event;
25
26 else if (machine_is_omap_h2()
27 || machine_is_omap_h3()
28 || machine_is_omap_perseus2())
29 leds_event = h2p2_dbg_leds_event;
30
31 else if (machine_is_omap_osk())
32 leds_event = osk_leds_event;
33
34 else
35 return -1;
36
37 if (machine_is_omap_h2()
38 || machine_is_omap_h3()
39#ifdef CONFIG_OMAP_OSK_MISTRAL
40 || machine_is_omap_osk()
41#endif
42 ) {
43
44 /* LED1/LED2 pins can be used as GPIO (as done here), or by
45 * the LPG (works even in deep sleep!), to drive a bicolor
46 * LED on the H2 sample board, and another on the H2/P2
47 * "surfer" expansion board.
48 *
49 * The same pins drive a LED on the OSK Mistral board, but
50 * that's a different kind of LED (just one color at a time).
51 */
52 omap_cfg_reg(P18_1610_GPIO3);
53 if (gpio_request(3, "LED red") == 0)
54 gpio_direction_output(3, 1);
55 else
56 printk(KERN_WARNING "LED: can't get GPIO3/red?\n");
57
58 omap_cfg_reg(MPUIO4);
59 if (gpio_request(OMAP_MPUIO(4), "LED green") == 0)
60 gpio_direction_output(OMAP_MPUIO(4), 1);
61 else
62 printk(KERN_WARNING "LED: can't get MPUIO4/green?\n");
63 }
64
65 leds_event(led_start);
66 return 0;
67}
68
69__initcall(omap_leds_init);
diff --git a/arch/arm/mach-omap1/leds.h b/arch/arm/mach-omap1/leds.h
new file mode 100644
index 00000000000..a1e9fedc376
--- /dev/null
+++ b/arch/arm/mach-omap1/leds.h
@@ -0,0 +1,3 @@
1extern void innovator_leds_event(led_event_t evt);
2extern void h2p2_dbg_leds_event(led_event_t evt);
3extern void osk_leds_event(led_event_t evt);
generated by cgit v1.2.2 (git 2.25.0) at 2026-01-17 13:23:46 -0500