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 
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 
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 
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