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1/*
2 * arch/sh/boards/renesas/r7780rp/setup.c
3 *
4 * Renesas Solutions Highlander Support.
5 *
6 * Copyright (C) 2002 Atom Create Engineering Co., Ltd.
7 * Copyright (C) 2005 - 2008 Paul Mundt
8 *
9 * This contains support for the R7780RP-1, R7780MP, and R7785RP
10 * Highlander modules.
11 *
12 * This file is subject to the terms and conditions of the GNU General Public
13 * License. See the file "COPYING" in the main directory of this archive
14 * for more details.
15 */
16#include <linux/init.h>
17#include <linux/platform_device.h>
18#include <linux/ata_platform.h>
19#include <linux/types.h>
20#include <linux/i2c.h>
21#include <net/ax88796.h>
22#include <asm/machvec.h>
23#include <asm/r7780rp.h>
24#include <asm/clock.h>
25#include <asm/heartbeat.h>
26#include <asm/io.h>
27#include <asm/io_trapped.h>
28
29static struct resource r8a66597_usb_host_resources[] = {
30 [0] = {
31 .name = "r8a66597_hcd",
32 .start = 0xA4200000,
33 .end = 0xA42000FF,
34 .flags = IORESOURCE_MEM,
35 },
36 [1] = {
37 .name = "r8a66597_hcd",
38 .start = IRQ_EXT1, /* irq number */
39 .end = IRQ_EXT1,
40 .flags = IORESOURCE_IRQ,
41 },
42};
43
44static struct platform_device r8a66597_usb_host_device = {
45 .name = "r8a66597_hcd",
46 .id = -1,
47 .dev = {
48 .dma_mask = NULL, /* don't use dma */
49 .coherent_dma_mask = 0xffffffff,
50 },
51 .num_resources = ARRAY_SIZE(r8a66597_usb_host_resources),
52 .resource = r8a66597_usb_host_resources,
53};
54
55static struct resource m66592_usb_peripheral_resources[] = {
56 [0] = {
57 .name = "m66592_udc",
58 .start = 0xb0000000,
59 .end = 0xb00000FF,
60 .flags = IORESOURCE_MEM,
61 },
62 [1] = {
63 .name = "m66592_udc",
64 .start = IRQ_EXT4, /* irq number */
65 .end = IRQ_EXT4,
66 .flags = IORESOURCE_IRQ,
67 },
68};
69
70static struct platform_device m66592_usb_peripheral_device = {
71 .name = "m66592_udc",
72 .id = -1,
73 .dev = {
74 .dma_mask = NULL, /* don't use dma */
75 .coherent_dma_mask = 0xffffffff,
76 },
77 .num_resources = ARRAY_SIZE(m66592_usb_peripheral_resources),
78 .resource = m66592_usb_peripheral_resources,
79};
80
81static struct resource cf_ide_resources[] = {
82 [0] = {
83 .start = PA_AREA5_IO + 0x1000,
84 .end = PA_AREA5_IO + 0x1000 + 0x08 - 1,
85 .flags = IORESOURCE_MEM,
86 },
87 [1] = {
88 .start = PA_AREA5_IO + 0x80c,
89 .end = PA_AREA5_IO + 0x80c + 0x16 - 1,
90 .flags = IORESOURCE_MEM,
91 },
92 [2] = {
93 .start = IRQ_CF,
94 .flags = IORESOURCE_IRQ,
95 },
96};
97
98static struct pata_platform_info pata_info = {
99 .ioport_shift = 1,
100};
101
102static struct platform_device cf_ide_device = {
103 .name = "pata_platform",
104 .id = -1,
105 .num_resources = ARRAY_SIZE(cf_ide_resources),
106 .resource = cf_ide_resources,
107 .dev = {
108 .platform_data = &pata_info,
109 },
110};
111
112static struct resource heartbeat_resources[] = {
113 [0] = {
114 .start = PA_OBLED,
115 .end = PA_OBLED,
116 .flags = IORESOURCE_MEM,
117 },
118};
119
120#ifndef CONFIG_SH_R7785RP
121static unsigned char heartbeat_bit_pos[] = { 2, 1, 0, 3, 6, 5, 4, 7 };
122
123static struct heartbeat_data heartbeat_data = {
124 .bit_pos = heartbeat_bit_pos,
125 .nr_bits = ARRAY_SIZE(heartbeat_bit_pos),
126};
127#endif
128
129static struct platform_device heartbeat_device = {
130 .name = "heartbeat",
131 .id = -1,
132
133 /* R7785RP has a slightly more sensible FPGA.. */
134#ifndef CONFIG_SH_R7785RP
135 .dev = {
136 .platform_data = &heartbeat_data,
137 },
138#endif
139 .num_resources = ARRAY_SIZE(heartbeat_resources),
140 .resource = heartbeat_resources,
141};
142
143static struct ax_plat_data ax88796_platdata = {
144 .flags = AXFLG_HAS_93CX6,
145 .wordlength = 2,
146 .dcr_val = 0x1,
147 .rcr_val = 0x40,
148};
149
150static struct resource ax88796_resources[] = {
151 {
152#ifdef CONFIG_SH_R7780RP
153 .start = 0xa5800400,
154 .end = 0xa5800400 + (0x20 * 0x2) - 1,
155#else
156 .start = 0xa4100400,
157 .end = 0xa4100400 + (0x20 * 0x2) - 1,
158#endif
159 .flags = IORESOURCE_MEM,
160 },
161 {
162 .start = IRQ_AX88796,
163 .end = IRQ_AX88796,
164 .flags = IORESOURCE_IRQ,
165 },
166};
167
168static struct platform_device ax88796_device = {
169 .name = "ax88796",
170 .id = 0,
171
172 .dev = {
173 .platform_data = &ax88796_platdata,
174 },
175
176 .num_resources = ARRAY_SIZE(ax88796_resources),
177 .resource = ax88796_resources,
178};
179
180static struct resource smbus_resources[] = {
181 [0] = {
182 .start = PA_SMCR,
183 .end = PA_SMCR + 0x100 - 1,
184 .flags = IORESOURCE_MEM,
185 },
186 [1] = {
187 .start = IRQ_SMBUS,
188 .end = IRQ_SMBUS,
189 .flags = IORESOURCE_IRQ,
190 },
191};
192
193static struct platform_device smbus_device = {
194 .name = "i2c-highlander",
195 .id = 0,
196 .num_resources = ARRAY_SIZE(smbus_resources),
197 .resource = smbus_resources,
198};
199
200static struct i2c_board_info __initdata highlander_i2c_devices[] = {
201 {
202 I2C_BOARD_INFO("r2025sd", 0x32),
203 },
204};
205
206static struct platform_device *r7780rp_devices[] __initdata = {
207 &r8a66597_usb_host_device,
208 &m66592_usb_peripheral_device,
209 &heartbeat_device,
210 &smbus_device,
211#ifndef CONFIG_SH_R7780RP
212 &ax88796_device,
213#endif
214};
215
216/*
217 * The CF is connected using a 16-bit bus where 8-bit operations are
218 * unsupported. The linux ata driver is however using 8-bit operations, so
219 * insert a trapped io filter to convert 8-bit operations into 16-bit.
220 */
221static struct trapped_io cf_trapped_io = {
222 .resource = cf_ide_resources,
223 .num_resources = 2,
224 .minimum_bus_width = 16,
225};
226
227static int __init r7780rp_devices_setup(void)
228{
229 int ret = 0;
230
231#ifndef CONFIG_SH_R7780RP
232 if (register_trapped_io(&cf_trapped_io) == 0)
233 ret |= platform_device_register(&cf_ide_device);
234#endif
235
236 ret |= platform_add_devices(r7780rp_devices,
237 ARRAY_SIZE(r7780rp_devices));
238
239 ret |= i2c_register_board_info(0, highlander_i2c_devices,
240 ARRAY_SIZE(highlander_i2c_devices));
241
242 return ret;
243}
244device_initcall(r7780rp_devices_setup);
245
246/*
247 * Platform specific clocks
248 */
249static void ivdr_clk_enable(struct clk *clk)
250{
251 ctrl_outw(ctrl_inw(PA_IVDRCTL) | (1 << IVDR_CK_ON), PA_IVDRCTL);
252}
253
254static void ivdr_clk_disable(struct clk *clk)
255{
256 ctrl_outw(ctrl_inw(PA_IVDRCTL) & ~(1 << IVDR_CK_ON), PA_IVDRCTL);
257}
258
259static struct clk_ops ivdr_clk_ops = {
260 .enable = ivdr_clk_enable,
261 .disable = ivdr_clk_disable,
262};
263
264static struct clk ivdr_clk = {
265 .name = "ivdr_clk",
266 .ops = &ivdr_clk_ops,
267};
268
269static struct clk *r7780rp_clocks[] = {
270 &ivdr_clk,
271};
272
273static void r7780rp_power_off(void)
274{
275 if (mach_is_r7780mp() || mach_is_r7785rp())
276 ctrl_outw(0x0001, PA_POFF);
277}
278
279/*
280 * Initialize the board
281 */
282static void __init highlander_setup(char **cmdline_p)
283{
284 u16 ver = ctrl_inw(PA_VERREG);
285 int i;
286
287 printk(KERN_INFO "Renesas Solutions Highlander %s support.\n",
288 mach_is_r7780rp() ? "R7780RP-1" :
289 mach_is_r7780mp() ? "R7780MP" :
290 "R7785RP");
291
292 printk(KERN_INFO "Board version: %d (revision %d), "
293 "FPGA version: %d (revision %d)\n",
294 (ver >> 12) & 0xf, (ver >> 8) & 0xf,
295 (ver >> 4) & 0xf, ver & 0xf);
296
297 /*
298 * Enable the important clocks right away..
299 */
300 for (i = 0; i < ARRAY_SIZE(r7780rp_clocks); i++) {
301 struct clk *clk = r7780rp_clocks[i];
302
303 clk_register(clk);
304 clk_enable(clk);
305 }
306
307 ctrl_outw(0x0000, PA_OBLED); /* Clear LED. */
308
309 if (mach_is_r7780rp())
310 ctrl_outw(0x0001, PA_SDPOW); /* SD Power ON */
311
312 ctrl_outw(ctrl_inw(PA_IVDRCTL) | 0x01, PA_IVDRCTL); /* Si13112 */
313
314 pm_power_off = r7780rp_power_off;
315}
316
317static unsigned char irl2irq[HL_NR_IRL];
318
319static int highlander_irq_demux(int irq)
320{
321 if (irq >= HL_NR_IRL || !irl2irq[irq])
322 return irq;
323
324 return irl2irq[irq];
325}
326
327static void __init highlander_init_irq(void)
328{
329 unsigned char *ucp = highlander_plat_irq_setup();
330
331 if (ucp) {
332 plat_irq_setup_pins(IRQ_MODE_IRL3210);
333 memcpy(irl2irq, ucp, HL_NR_IRL);
334 }
335}
336
337/*
338 * The Machine Vector
339 */
340static struct sh_machine_vector mv_highlander __initmv = {
341 .mv_name = "Highlander",
342 .mv_setup = highlander_setup,
343 .mv_init_irq = highlander_init_irq,
344 .mv_irq_demux = highlander_irq_demux,
345};