1 /*
2 * This program is free software; you can redistribute it and/or modify it
3 * under the terms of the GNU General Public License version 2 as published
4 * by the Free Software Foundation.
5 *
6 * Copyright (C) 2010 John Crispin <blogic@openwrt.org>
7 */
8
9 #include <linux/init.h>
10 #include <linux/export.h>
11 #include <linux/types.h>
12 #include <linux/string.h>
13 #include <linux/mtd/physmap.h>
14 #include <linux/kernel.h>
15 #include <linux/reboot.h>
16 #include <linux/platform_device.h>
17 #include <linux/leds.h>
18 #include <linux/etherdevice.h>
19 #include <linux/time.h>
20 #include <linux/io.h>
21 #include <linux/gpio.h>
22
23 #include <asm/bootinfo.h>
24 #include <asm/irq.h>
25
26 #include <lantiq_soc.h>
27 #include <lantiq_irq.h>
28 #include <lantiq_platform.h>
29
30 #include "devices.h"
31
32 /* gpio */
33 static struct resource ltq_gpio_resource[] = {
34 {
35 .name = "gpio0",
36 .start = LTQ_GPIO0_BASE_ADDR,
37 .end = LTQ_GPIO0_BASE_ADDR + LTQ_GPIO_SIZE - 1,
38 .flags = IORESOURCE_MEM,
39 }, {
40 .name = "gpio1",
41 .start = LTQ_GPIO1_BASE_ADDR,
42 .end = LTQ_GPIO1_BASE_ADDR + LTQ_GPIO_SIZE - 1,
43 .flags = IORESOURCE_MEM,
44 }, {
45 .name = "gpio2",
46 .start = LTQ_GPIO2_BASE_ADDR,
47 .end = LTQ_GPIO2_BASE_ADDR + LTQ_GPIO_SIZE - 1,
48 .flags = IORESOURCE_MEM,
49 }
50 };
51
ltq_register_gpio(void)52 void __init ltq_register_gpio(void)
53 {
54 platform_device_register_simple("ltq_gpio", 0,
55 <q_gpio_resource[0], 1);
56 platform_device_register_simple("ltq_gpio", 1,
57 <q_gpio_resource[1], 1);
58
59 /* AR9 and VR9 have an extra gpio block */
60 if (ltq_is_ar9() || ltq_is_vr9()) {
61 platform_device_register_simple("ltq_gpio", 2,
62 <q_gpio_resource[2], 1);
63 }
64 }
65
66 /* serial to parallel conversion */
67 static struct resource ltq_stp_resource = {
68 .name = "stp",
69 .start = LTQ_STP_BASE_ADDR,
70 .end = LTQ_STP_BASE_ADDR + LTQ_STP_SIZE - 1,
71 .flags = IORESOURCE_MEM,
72 };
73
ltq_register_gpio_stp(void)74 void __init ltq_register_gpio_stp(void)
75 {
76 platform_device_register_simple("ltq_stp", 0, <q_stp_resource, 1);
77 }
78
79 /* asc ports - amazon se has its own serial mapping */
80 static struct resource ltq_ase_asc_resources[] = {
81 {
82 .name = "asc0",
83 .start = LTQ_ASC1_BASE_ADDR,
84 .end = LTQ_ASC1_BASE_ADDR + LTQ_ASC_SIZE - 1,
85 .flags = IORESOURCE_MEM,
86 },
87 IRQ_RES(tx, LTQ_ASC_ASE_TIR),
88 IRQ_RES(rx, LTQ_ASC_ASE_RIR),
89 IRQ_RES(err, LTQ_ASC_ASE_EIR),
90 };
91
ltq_register_ase_asc(void)92 void __init ltq_register_ase_asc(void)
93 {
94 platform_device_register_simple("ltq_asc", 0,
95 ltq_ase_asc_resources, ARRAY_SIZE(ltq_ase_asc_resources));
96 }
97
98 /* ethernet */
99 static struct resource ltq_etop_resources = {
100 .name = "etop",
101 .start = LTQ_ETOP_BASE_ADDR,
102 .end = LTQ_ETOP_BASE_ADDR + LTQ_ETOP_SIZE - 1,
103 .flags = IORESOURCE_MEM,
104 };
105
106 static struct platform_device ltq_etop = {
107 .name = "ltq_etop",
108 .resource = <q_etop_resources,
109 .num_resources = 1,
110 };
111
112 void __init
ltq_register_etop(struct ltq_eth_data * eth)113 ltq_register_etop(struct ltq_eth_data *eth)
114 {
115 if (eth) {
116 ltq_etop.dev.platform_data = eth;
117 platform_device_register(<q_etop);
118 }
119 }
120