aboutsummaryrefslogtreecommitdiff
path: root/arch/sh/boards/renesas/r7780rp/setup.c
blob: 0fdc0bc19145d8f2f8a37bfb79b21b2db741903e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
/*
 * arch/sh/boards/renesas/r7780rp/setup.c
 *
 * Renesas Solutions Highlander Support.
 *
 * Copyright (C) 2002 Atom Create Engineering Co., Ltd.
 * Copyright (C) 2005 - 2007 Paul Mundt
 *
 * This contains support for the R7780RP-1, R7780MP, and R7785RP
 * Highlander modules.
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 */
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/pata_platform.h>
#include <linux/types.h>
#include <net/ax88796.h>
#include <asm/machvec.h>
#include <asm/r7780rp.h>
#include <asm/clock.h>
#include <asm/heartbeat.h>
#include <asm/io.h>

static struct resource r8a66597_usb_host_resources[] = {
	[0] = {
		.name	= "r8a66597_hcd",
		.start	= 0xA4200000,
		.end	= 0xA42000FF,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.name	= "r8a66597_hcd",
		.start	= IRQ_EXT1,		/* irq number */
		.end	= IRQ_EXT1,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device r8a66597_usb_host_device = {
	.name		= "r8a66597_hcd",
	.id		= -1,
	.dev = {
		.dma_mask		= NULL,		/* don't use dma */
		.coherent_dma_mask	= 0xffffffff,
	},
	.num_resources	= ARRAY_SIZE(r8a66597_usb_host_resources),
	.resource	= r8a66597_usb_host_resources,
};

static struct resource m66592_usb_peripheral_resources[] = {
	[0] = {
		.name	= "m66592_udc",
		.start	= 0xb0000000,
		.end	= 0xb00000FF,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.name	= "m66592_udc",
		.start	= IRQ_EXT4,		/* irq number */
		.end	= IRQ_EXT4,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device m66592_usb_peripheral_device = {
	.name		= "m66592_udc",
	.id		= -1,
	.dev = {
		.dma_mask		= NULL,		/* don't use dma */
		.coherent_dma_mask	= 0xffffffff,
	},
	.num_resources	= ARRAY_SIZE(m66592_usb_peripheral_resources),
	.resource	= m66592_usb_peripheral_resources,
};

static struct resource cf_ide_resources[] = {
	[0] = {
		.start	= PA_AREA5_IO + 0x1000,
		.end	= PA_AREA5_IO + 0x1000 + 0x08 - 1,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= PA_AREA5_IO + 0x80c,
		.end	= PA_AREA5_IO + 0x80c + 0x16 - 1,
		.flags	= IORESOURCE_MEM,
	},
	[2] = {
		.start	= IRQ_CF,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct pata_platform_info pata_info = {
	.ioport_shift	= 1,
};

static struct platform_device cf_ide_device  = {
	.name		= "pata_platform",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(cf_ide_resources),
	.resource	= cf_ide_resources,
	.dev	= {
		.platform_data	= &pata_info,
	},
};

static struct resource heartbeat_resources[] = {
	[0] = {
		.start	= PA_OBLED,
		.end	= PA_OBLED,
		.flags	= IORESOURCE_MEM,
	},
};

#ifndef CONFIG_SH_R7785RP
static unsigned char heartbeat_bit_pos[] = { 2, 1, 0, 3, 6, 5, 4, 7 };

static struct heartbeat_data heartbeat_data = {
	.bit_pos	= heartbeat_bit_pos,
	.nr_bits	= ARRAY_SIZE(heartbeat_bit_pos),
};
#endif

static struct platform_device heartbeat_device = {
	.name		= "heartbeat",
	.id		= -1,

	/* R7785RP has a slightly more sensible FPGA.. */
#ifndef CONFIG_SH_R7785RP
	.dev	= {
		.platform_data	= &heartbeat_data,
	},
#endif
	.num_resources	= ARRAY_SIZE(heartbeat_resources),
	.resource	= heartbeat_resources,
};

static struct ax_plat_data ax88796_platdata = {
	.flags          = AXFLG_HAS_93CX6,
	.wordlength     = 2,
	.dcr_val        = 0x1,
	.rcr_val        = 0x40,
};

static struct resource ax88796_resources[] = {
	{
#ifdef CONFIG_SH_R7780RP
		.start  = 0xa5800400,
		.end    = 0xa5800400 + (0x20 * 0x2) - 1,
#else
		.start  = 0xa4100400,
		.end    = 0xa4100400 + (0x20 * 0x2) - 1,
#endif
		.flags  = IORESOURCE_MEM,
	},
	{
		.start  = IRQ_AX88796,
		.end    = IRQ_AX88796,
		.flags  = IORESOURCE_IRQ,
	},
};

static struct platform_device ax88796_device = {
	.name           = "ax88796",
	.id             = 0,

	.dev    = {
		.platform_data = &ax88796_platdata,
	},

	.num_resources  = ARRAY_SIZE(ax88796_resources),
	.resource       = ax88796_resources,
};


static struct platform_device *r7780rp_devices[] __initdata = {
	&r8a66597_usb_host_device,
	&m66592_usb_peripheral_device,
	&cf_ide_device,
	&heartbeat_device,
	&ax88796_device,
};

static int __init r7780rp_devices_setup(void)
{
	return platform_add_devices(r7780rp_devices,
				    ARRAY_SIZE(r7780rp_devices));
}
device_initcall(r7780rp_devices_setup);

/*
 * Platform specific clocks
 */
static void ivdr_clk_enable(struct clk *clk)
{
	ctrl_outw(ctrl_inw(PA_IVDRCTL) | (1 << IVDR_CK_ON), PA_IVDRCTL);
}

static void ivdr_clk_disable(struct clk *clk)
{
	ctrl_outw(ctrl_inw(PA_IVDRCTL) & ~(1 << IVDR_CK_ON), PA_IVDRCTL);
}

static struct clk_ops ivdr_clk_ops = {
	.enable		= ivdr_clk_enable,
	.disable	= ivdr_clk_disable,
};

static struct clk ivdr_clk = {
	.name		= "ivdr_clk",
	.ops		= &ivdr_clk_ops,
};

static struct clk *r7780rp_clocks[] = {
	&ivdr_clk,
};

static void r7780rp_power_off(void)
{
	if (mach_is_r7780mp() || mach_is_r7785rp())
		ctrl_outw(0x0001, PA_POFF);
}

static inline unsigned char is_ide_ioaddr(unsigned long addr)
{
	return ((cf_ide_resources[0].start <= addr &&
		 addr <= cf_ide_resources[0].end) ||
		(cf_ide_resources[1].start <= addr &&
		 addr <= cf_ide_resources[1].end));
}

void highlander_writeb(u8 b, void __iomem *addr)
{
	unsigned long tmp = (unsigned long __force)addr;

	if (is_ide_ioaddr(tmp))
		ctrl_outw((u16)b, tmp);
	else
		ctrl_outb(b, tmp);
}

u8 highlander_readb(void __iomem *addr)
{
	unsigned long tmp = (unsigned long __force)addr;

	if (is_ide_ioaddr(tmp))
		return ctrl_inw(tmp) & 0xff;
	else
		return ctrl_inb(tmp);
}

/*
 * Initialize the board
 */
static void __init highlander_setup(char **cmdline_p)
{
	u16 ver = ctrl_inw(PA_VERREG);
	int i;

	printk(KERN_INFO "Renesas Solutions Highlander %s support.\n",
			 mach_is_r7780rp() ? "R7780RP-1" :
			 mach_is_r7780mp() ? "R7780MP"	 :
					     "R7785RP");

	printk(KERN_INFO "Board version: %d (revision %d), "
			 "FPGA version: %d (revision %d)\n",
			 (ver >> 12) & 0xf, (ver >> 8) & 0xf,
			 (ver >>  4) & 0xf, ver & 0xf);

	/*
	 * Enable the important clocks right away..
	 */
	for (i = 0; i < ARRAY_SIZE(r7780rp_clocks); i++) {
		struct clk *clk = r7780rp_clocks[i];

		clk_register(clk);
		clk_enable(clk);
	}

	ctrl_outw(0x0000, PA_OBLED);	/* Clear LED. */

	if (mach_is_r7780rp())
		ctrl_outw(0x0001, PA_SDPOW);	/* SD Power ON */

	ctrl_outw(ctrl_inw(PA_IVDRCTL) | 0x01, PA_IVDRCTL);	/* Si13112 */

	pm_power_off = r7780rp_power_off;
}

static unsigned char irl2irq[HL_NR_IRL];

int highlander_irq_demux(int irq)
{
	if (irq >= HL_NR_IRL || !irl2irq[irq])
		return irq;

	return irl2irq[irq];
}

void __init highlander_init_irq(void)
{
	unsigned char *ucp = NULL;

	do {
#ifdef CONFIG_SH_R7780MP
		ucp = highlander_init_irq_r7780mp();
		if (ucp)
			break;
#endif
#ifdef CONFIG_SH_R7785RP
		ucp = highlander_init_irq_r7785rp();
		if (ucp)
			break;
#endif
#ifdef CONFIG_SH_R7780RP
		highlander_init_irq_r7780rp();
		ucp = irl2irq;
		break;
#endif
	} while (0);

	if (ucp) {
		plat_irq_setup_pins(IRQ_MODE_IRL3210);
		memcpy(irl2irq, ucp, HL_NR_IRL);
	}
}

/*
 * The Machine Vector
 */
static struct sh_machine_vector mv_highlander __initmv = {
	.mv_name		= "Highlander",
	.mv_setup		= highlander_setup,
	.mv_init_irq		= highlander_init_irq,
	.mv_irq_demux		= highlander_irq_demux,
	.mv_readb		= highlander_readb,
	.mv_writeb		= highlander_writeb,
};