1 /*
2 * arch/sh/boards/mach-x3proto/setup.c
3 *
4 * Renesas SH-X3 Prototype Board Support.
5 *
6 * Copyright (C) 2007 - 2010 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/init.h>
13 #include <linux/platform_device.h>
14 #include <linux/kernel.h>
15 #include <linux/io.h>
16 #include <linux/smc91x.h>
17 #include <linux/irq.h>
18 #include <linux/interrupt.h>
19 #include <linux/input.h>
20 #include <linux/usb/r8a66597.h>
21 #include <linux/usb/m66592.h>
22 #include <linux/gpio.h>
23 #include <linux/gpio_keys.h>
24 #include <mach/ilsel.h>
25 #include <mach/hardware.h>
26 #include <asm/smp-ops.h>
27
28 static struct resource heartbeat_resources[] = {
29 [0] = {
30 .start = 0xb8140020,
31 .end = 0xb8140020,
32 .flags = IORESOURCE_MEM,
33 },
34 };
35
36 static struct platform_device heartbeat_device = {
37 .name = "heartbeat",
38 .id = -1,
39 .num_resources = ARRAY_SIZE(heartbeat_resources),
40 .resource = heartbeat_resources,
41 };
42
43 static struct smc91x_platdata smc91x_info = {
44 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
45 };
46
47 static struct resource smc91x_resources[] = {
48 [0] = {
49 .start = 0x18000300,
50 .end = 0x18000300 + 0x10 - 1,
51 .flags = IORESOURCE_MEM,
52 },
53 [1] = {
54 /* Filled in by ilsel */
55 .flags = IORESOURCE_IRQ,
56 },
57 };
58
59 static struct platform_device smc91x_device = {
60 .name = "smc91x",
61 .id = -1,
62 .resource = smc91x_resources,
63 .num_resources = ARRAY_SIZE(smc91x_resources),
64 .dev = {
65 .platform_data = &smc91x_info,
66 },
67 };
68
69 static struct r8a66597_platdata r8a66597_data = {
70 .xtal = R8A66597_PLATDATA_XTAL_12MHZ,
71 .vif = 1,
72 };
73
74 static struct resource r8a66597_usb_host_resources[] = {
75 [0] = {
76 .start = 0x18040000,
77 .end = 0x18080000 - 1,
78 .flags = IORESOURCE_MEM,
79 },
80 [1] = {
81 /* Filled in by ilsel */
82 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_LOW,
83 },
84 };
85
86 static struct platform_device r8a66597_usb_host_device = {
87 .name = "r8a66597_hcd",
88 .id = -1,
89 .dev = {
90 .dma_mask = NULL, /* don't use dma */
91 .coherent_dma_mask = 0xffffffff,
92 .platform_data = &r8a66597_data,
93 },
94 .num_resources = ARRAY_SIZE(r8a66597_usb_host_resources),
95 .resource = r8a66597_usb_host_resources,
96 };
97
98 static struct m66592_platdata usbf_platdata = {
99 .xtal = M66592_PLATDATA_XTAL_24MHZ,
100 .vif = 1,
101 };
102
103 static struct resource m66592_usb_peripheral_resources[] = {
104 [0] = {
105 .name = "m66592_udc",
106 .start = 0x18080000,
107 .end = 0x180c0000 - 1,
108 .flags = IORESOURCE_MEM,
109 },
110 [1] = {
111 .name = "m66592_udc",
112 /* Filled in by ilsel */
113 .flags = IORESOURCE_IRQ,
114 },
115 };
116
117 static struct platform_device m66592_usb_peripheral_device = {
118 .name = "m66592_udc",
119 .id = -1,
120 .dev = {
121 .dma_mask = NULL, /* don't use dma */
122 .coherent_dma_mask = 0xffffffff,
123 .platform_data = &usbf_platdata,
124 },
125 .num_resources = ARRAY_SIZE(m66592_usb_peripheral_resources),
126 .resource = m66592_usb_peripheral_resources,
127 };
128
129 static struct gpio_keys_button baseboard_buttons[NR_BASEBOARD_GPIOS] = {
130 {
131 .desc = "key44",
132 .code = KEY_POWER,
133 .active_low = 1,
134 .wakeup = 1,
135 }, {
136 .desc = "key43",
137 .code = KEY_SUSPEND,
138 .active_low = 1,
139 .wakeup = 1,
140 }, {
141 .desc = "key42",
142 .code = KEY_KATAKANAHIRAGANA,
143 .active_low = 1,
144 }, {
145 .desc = "key41",
146 .code = KEY_SWITCHVIDEOMODE,
147 .active_low = 1,
148 }, {
149 .desc = "key34",
150 .code = KEY_F12,
151 .active_low = 1,
152 }, {
153 .desc = "key33",
154 .code = KEY_F11,
155 .active_low = 1,
156 }, {
157 .desc = "key32",
158 .code = KEY_F10,
159 .active_low = 1,
160 }, {
161 .desc = "key31",
162 .code = KEY_F9,
163 .active_low = 1,
164 }, {
165 .desc = "key24",
166 .code = KEY_F8,
167 .active_low = 1,
168 }, {
169 .desc = "key23",
170 .code = KEY_F7,
171 .active_low = 1,
172 }, {
173 .desc = "key22",
174 .code = KEY_F6,
175 .active_low = 1,
176 }, {
177 .desc = "key21",
178 .code = KEY_F5,
179 .active_low = 1,
180 }, {
181 .desc = "key14",
182 .code = KEY_F4,
183 .active_low = 1,
184 }, {
185 .desc = "key13",
186 .code = KEY_F3,
187 .active_low = 1,
188 }, {
189 .desc = "key12",
190 .code = KEY_F2,
191 .active_low = 1,
192 }, {
193 .desc = "key11",
194 .code = KEY_F1,
195 .active_low = 1,
196 },
197 };
198
199 static struct gpio_keys_platform_data baseboard_buttons_data = {
200 .buttons = baseboard_buttons,
201 .nbuttons = ARRAY_SIZE(baseboard_buttons),
202 };
203
204 static struct platform_device baseboard_buttons_device = {
205 .name = "gpio-keys",
206 .id = -1,
207 .dev = {
208 .platform_data = &baseboard_buttons_data,
209 },
210 };
211
212 static struct platform_device *x3proto_devices[] __initdata = {
213 &heartbeat_device,
214 &smc91x_device,
215 &r8a66597_usb_host_device,
216 &m66592_usb_peripheral_device,
217 &baseboard_buttons_device,
218 };
219
x3proto_init_irq(void)220 static void __init x3proto_init_irq(void)
221 {
222 plat_irq_setup_pins(IRQ_MODE_IRL3210);
223
224 /* Set ICR0.LVLMODE */
225 __raw_writel(__raw_readl(0xfe410000) | (1 << 21), 0xfe410000);
226 }
227
x3proto_devices_setup(void)228 static int __init x3proto_devices_setup(void)
229 {
230 int ret, i;
231
232 /*
233 * IRLs are only needed for ILSEL mappings, so flip over the INTC
234 * pins at a later point to enable the GPIOs to settle.
235 */
236 x3proto_init_irq();
237
238 /*
239 * Now that ILSELs are available, set up the baseboard GPIOs.
240 */
241 ret = x3proto_gpio_setup();
242 if (unlikely(ret))
243 return ret;
244
245 /*
246 * Propagate dynamic GPIOs for the baseboard button device.
247 */
248 for (i = 0; i < ARRAY_SIZE(baseboard_buttons); i++)
249 baseboard_buttons[i].gpio = x3proto_gpio_chip.base + i;
250
251 r8a66597_usb_host_resources[1].start =
252 r8a66597_usb_host_resources[1].end = ilsel_enable(ILSEL_USBH_I);
253
254 m66592_usb_peripheral_resources[1].start =
255 m66592_usb_peripheral_resources[1].end = ilsel_enable(ILSEL_USBP_I);
256
257 smc91x_resources[1].start =
258 smc91x_resources[1].end = ilsel_enable(ILSEL_LAN);
259
260 return platform_add_devices(x3proto_devices,
261 ARRAY_SIZE(x3proto_devices));
262 }
263 device_initcall(x3proto_devices_setup);
264
x3proto_setup(char ** cmdline_p)265 static void __init x3proto_setup(char **cmdline_p)
266 {
267 register_smp_ops(&shx3_smp_ops);
268 }
269
270 static struct sh_machine_vector mv_x3proto __initmv = {
271 .mv_name = "x3proto",
272 .mv_setup = x3proto_setup,
273 };
274