Commit | Line | Data |
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5283ecb5 PM |
1 | /* |
2 | * arch/sh/boards/renesas/r7780rp/setup.c | |
3 | * | |
32351a28 PM |
4 | * Renesas Solutions Highlander Support. |
5 | * | |
5283ecb5 | 6 | * Copyright (C) 2002 Atom Create Engineering Co., Ltd. |
c2933965 | 7 | * Copyright (C) 2005 - 2008 Paul Mundt |
5283ecb5 | 8 | * |
32351a28 PM |
9 | * This contains support for the R7780RP-1, R7780MP, and R7785RP |
10 | * Highlander modules. | |
5283ecb5 PM |
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> | |
67bbabbc | 17 | #include <linux/io.h> |
5283ecb5 | 18 | #include <linux/platform_device.h> |
0a87e3e9 | 19 | #include <linux/ata_platform.h> |
b5751e2e | 20 | #include <linux/types.h> |
15ba400e | 21 | #include <linux/mtd/physmap.h> |
c2933965 | 22 | #include <linux/i2c.h> |
604437f0 | 23 | #include <linux/irq.h> |
6239b20d YS |
24 | #include <linux/interrupt.h> |
25 | #include <linux/usb/r8a66597.h> | |
2c59b0b7 | 26 | #include <linux/usb/m66592.h> |
6d803ba7 | 27 | #include <linux/clkdev.h> |
c6f93a34 | 28 | #include <net/ax88796.h> |
5283ecb5 | 29 | #include <asm/machvec.h> |
7639a454 | 30 | #include <mach/highlander.h> |
5283ecb5 | 31 | #include <asm/clock.h> |
8786c952 | 32 | #include <asm/heartbeat.h> |
5283ecb5 | 33 | #include <asm/io.h> |
c1a34e4c | 34 | #include <asm/io_trapped.h> |
5283ecb5 | 35 | |
6239b20d YS |
36 | static struct r8a66597_platdata r8a66597_data = { |
37 | .xtal = R8A66597_PLATDATA_XTAL_12MHZ, | |
38 | .vif = 1, | |
39 | }; | |
40 | ||
e6c972f2 YS |
41 | static struct resource r8a66597_usb_host_resources[] = { |
42 | [0] = { | |
e6c972f2 YS |
43 | .start = 0xA4200000, |
44 | .end = 0xA42000FF, | |
45 | .flags = IORESOURCE_MEM, | |
46 | }, | |
47 | [1] = { | |
897cfcd8 MD |
48 | .start = IRQ_EXT1, /* irq number */ |
49 | .end = IRQ_EXT1, | |
6239b20d | 50 | .flags = IORESOURCE_IRQ | IRQF_TRIGGER_LOW, |
e6c972f2 YS |
51 | }, |
52 | }; | |
53 | ||
54 | static struct platform_device r8a66597_usb_host_device = { | |
55 | .name = "r8a66597_hcd", | |
56 | .id = -1, | |
57 | .dev = { | |
58 | .dma_mask = NULL, /* don't use dma */ | |
59 | .coherent_dma_mask = 0xffffffff, | |
6239b20d | 60 | .platform_data = &r8a66597_data, |
e6c972f2 YS |
61 | }, |
62 | .num_resources = ARRAY_SIZE(r8a66597_usb_host_resources), | |
63 | .resource = r8a66597_usb_host_resources, | |
64 | }; | |
65 | ||
2c59b0b7 MD |
66 | static struct m66592_platdata usbf_platdata = { |
67 | .xtal = M66592_PLATDATA_XTAL_24MHZ, | |
68 | .vif = 1, | |
69 | }; | |
70 | ||
e6c972f2 YS |
71 | static struct resource m66592_usb_peripheral_resources[] = { |
72 | [0] = { | |
73 | .name = "m66592_udc", | |
74 | .start = 0xb0000000, | |
75 | .end = 0xb00000FF, | |
76 | .flags = IORESOURCE_MEM, | |
77 | }, | |
78 | [1] = { | |
79 | .name = "m66592_udc", | |
897cfcd8 MD |
80 | .start = IRQ_EXT4, /* irq number */ |
81 | .end = IRQ_EXT4, | |
e6c972f2 YS |
82 | .flags = IORESOURCE_IRQ, |
83 | }, | |
84 | }; | |
85 | ||
86 | static struct platform_device m66592_usb_peripheral_device = { | |
87 | .name = "m66592_udc", | |
88 | .id = -1, | |
89 | .dev = { | |
90 | .dma_mask = NULL, /* don't use dma */ | |
91 | .coherent_dma_mask = 0xffffffff, | |
2c59b0b7 | 92 | .platform_data = &usbf_platdata, |
e6c972f2 YS |
93 | }, |
94 | .num_resources = ARRAY_SIZE(m66592_usb_peripheral_resources), | |
95 | .resource = m66592_usb_peripheral_resources, | |
96 | }; | |
97 | ||
0c020e3d PM |
98 | static struct resource cf_ide_resources[] = { |
99 | [0] = { | |
71074d3a PM |
100 | .start = PA_AREA5_IO + 0x1000, |
101 | .end = PA_AREA5_IO + 0x1000 + 0x08 - 1, | |
102 | .flags = IORESOURCE_MEM, | |
0c020e3d PM |
103 | }, |
104 | [1] = { | |
71074d3a PM |
105 | .start = PA_AREA5_IO + 0x80c, |
106 | .end = PA_AREA5_IO + 0x80c + 0x16 - 1, | |
107 | .flags = IORESOURCE_MEM, | |
0c020e3d PM |
108 | }, |
109 | [2] = { | |
897cfcd8 | 110 | .start = IRQ_CF, |
0c020e3d PM |
111 | .flags = IORESOURCE_IRQ, |
112 | }, | |
113 | }; | |
114 | ||
71074d3a PM |
115 | static struct pata_platform_info pata_info = { |
116 | .ioport_shift = 1, | |
117 | }; | |
118 | ||
0c020e3d PM |
119 | static struct platform_device cf_ide_device = { |
120 | .name = "pata_platform", | |
121 | .id = -1, | |
122 | .num_resources = ARRAY_SIZE(cf_ide_resources), | |
123 | .resource = cf_ide_resources, | |
71074d3a PM |
124 | .dev = { |
125 | .platform_data = &pata_info, | |
126 | }, | |
0c020e3d PM |
127 | }; |
128 | ||
3b4d9539 PM |
129 | static struct resource heartbeat_resources[] = { |
130 | [0] = { | |
131 | .start = PA_OBLED, | |
a1fd306b | 132 | .end = PA_OBLED, |
3b4d9539 PM |
133 | .flags = IORESOURCE_MEM, |
134 | }, | |
135 | }; | |
136 | ||
8786c952 PM |
137 | #ifndef CONFIG_SH_R7785RP |
138 | static unsigned char heartbeat_bit_pos[] = { 2, 1, 0, 3, 6, 5, 4, 7 }; | |
139 | ||
140 | static struct heartbeat_data heartbeat_data = { | |
141 | .bit_pos = heartbeat_bit_pos, | |
142 | .nr_bits = ARRAY_SIZE(heartbeat_bit_pos), | |
143 | }; | |
144 | #endif | |
145 | ||
3b4d9539 PM |
146 | static struct platform_device heartbeat_device = { |
147 | .name = "heartbeat", | |
148 | .id = -1, | |
32351a28 PM |
149 | |
150 | /* R7785RP has a slightly more sensible FPGA.. */ | |
151 | #ifndef CONFIG_SH_R7785RP | |
3b4d9539 | 152 | .dev = { |
a1fd306b | 153 | .platform_data = &heartbeat_data, |
3b4d9539 | 154 | }, |
32351a28 | 155 | #endif |
3b4d9539 PM |
156 | .num_resources = ARRAY_SIZE(heartbeat_resources), |
157 | .resource = heartbeat_resources, | |
158 | }; | |
159 | ||
c6f93a34 MD |
160 | static struct ax_plat_data ax88796_platdata = { |
161 | .flags = AXFLG_HAS_93CX6, | |
162 | .wordlength = 2, | |
163 | .dcr_val = 0x1, | |
164 | .rcr_val = 0x40, | |
165 | }; | |
166 | ||
167 | static struct resource ax88796_resources[] = { | |
168 | { | |
169 | #ifdef CONFIG_SH_R7780RP | |
170 | .start = 0xa5800400, | |
171 | .end = 0xa5800400 + (0x20 * 0x2) - 1, | |
172 | #else | |
173 | .start = 0xa4100400, | |
174 | .end = 0xa4100400 + (0x20 * 0x2) - 1, | |
175 | #endif | |
176 | .flags = IORESOURCE_MEM, | |
177 | }, | |
178 | { | |
179 | .start = IRQ_AX88796, | |
180 | .end = IRQ_AX88796, | |
181 | .flags = IORESOURCE_IRQ, | |
182 | }, | |
183 | }; | |
184 | ||
185 | static struct platform_device ax88796_device = { | |
186 | .name = "ax88796", | |
187 | .id = 0, | |
188 | ||
189 | .dev = { | |
190 | .platform_data = &ax88796_platdata, | |
191 | }, | |
192 | ||
193 | .num_resources = ARRAY_SIZE(ax88796_resources), | |
194 | .resource = ax88796_resources, | |
195 | }; | |
196 | ||
15ba400e NI |
197 | static struct mtd_partition nor_flash_partitions[] = { |
198 | { | |
199 | .name = "loader", | |
200 | .offset = 0x00000000, | |
201 | .size = 512 * 1024, | |
202 | }, | |
203 | { | |
204 | .name = "bootenv", | |
205 | .offset = MTDPART_OFS_APPEND, | |
206 | .size = 512 * 1024, | |
207 | }, | |
208 | { | |
209 | .name = "kernel", | |
210 | .offset = MTDPART_OFS_APPEND, | |
211 | .size = 4 * 1024 * 1024, | |
212 | }, | |
213 | { | |
214 | .name = "data", | |
215 | .offset = MTDPART_OFS_APPEND, | |
216 | .size = MTDPART_SIZ_FULL, | |
217 | }, | |
218 | }; | |
219 | ||
220 | static struct physmap_flash_data nor_flash_data = { | |
221 | .width = 4, | |
222 | .parts = nor_flash_partitions, | |
223 | .nr_parts = ARRAY_SIZE(nor_flash_partitions), | |
224 | }; | |
225 | ||
226 | /* This config is flash board for mass production. */ | |
227 | static struct resource nor_flash_resources[] = { | |
228 | [0] = { | |
229 | .start = PA_NORFLASH_ADDR, | |
230 | .end = PA_NORFLASH_ADDR + PA_NORFLASH_SIZE - 1, | |
231 | .flags = IORESOURCE_MEM, | |
232 | } | |
233 | }; | |
234 | ||
235 | static struct platform_device nor_flash_device = { | |
236 | .name = "physmap-flash", | |
237 | .dev = { | |
238 | .platform_data = &nor_flash_data, | |
239 | }, | |
240 | .num_resources = ARRAY_SIZE(nor_flash_resources), | |
241 | .resource = nor_flash_resources, | |
242 | }; | |
243 | ||
c2933965 PM |
244 | static struct resource smbus_resources[] = { |
245 | [0] = { | |
246 | .start = PA_SMCR, | |
247 | .end = PA_SMCR + 0x100 - 1, | |
248 | .flags = IORESOURCE_MEM, | |
249 | }, | |
250 | [1] = { | |
251 | .start = IRQ_SMBUS, | |
252 | .end = IRQ_SMBUS, | |
253 | .flags = IORESOURCE_IRQ, | |
254 | }, | |
255 | }; | |
256 | ||
257 | static struct platform_device smbus_device = { | |
258 | .name = "i2c-highlander", | |
259 | .id = 0, | |
260 | .num_resources = ARRAY_SIZE(smbus_resources), | |
261 | .resource = smbus_resources, | |
262 | }; | |
263 | ||
264 | static struct i2c_board_info __initdata highlander_i2c_devices[] = { | |
265 | { | |
3760f736 | 266 | I2C_BOARD_INFO("r2025sd", 0x32), |
c2933965 PM |
267 | }, |
268 | }; | |
c6f93a34 | 269 | |
5283ecb5 | 270 | static struct platform_device *r7780rp_devices[] __initdata = { |
e6c972f2 YS |
271 | &r8a66597_usb_host_device, |
272 | &m66592_usb_peripheral_device, | |
3b4d9539 | 273 | &heartbeat_device, |
c2933965 | 274 | &smbus_device, |
15ba400e | 275 | &nor_flash_device, |
da2d7f4b | 276 | #ifndef CONFIG_SH_R7780RP |
c6f93a34 | 277 | &ax88796_device, |
da2d7f4b | 278 | #endif |
5283ecb5 PM |
279 | }; |
280 | ||
c1a34e4c MD |
281 | /* |
282 | * The CF is connected using a 16-bit bus where 8-bit operations are | |
283 | * unsupported. The linux ata driver is however using 8-bit operations, so | |
284 | * insert a trapped io filter to convert 8-bit operations into 16-bit. | |
285 | */ | |
286 | static struct trapped_io cf_trapped_io = { | |
287 | .resource = cf_ide_resources, | |
288 | .num_resources = 2, | |
289 | .minimum_bus_width = 16, | |
290 | }; | |
291 | ||
5283ecb5 PM |
292 | static int __init r7780rp_devices_setup(void) |
293 | { | |
c2933965 PM |
294 | int ret = 0; |
295 | ||
c1a34e4c MD |
296 | #ifndef CONFIG_SH_R7780RP |
297 | if (register_trapped_io(&cf_trapped_io) == 0) | |
c2933965 | 298 | ret |= platform_device_register(&cf_ide_device); |
c1a34e4c | 299 | #endif |
c2933965 PM |
300 | |
301 | ret |= platform_add_devices(r7780rp_devices, | |
5283ecb5 | 302 | ARRAY_SIZE(r7780rp_devices)); |
c2933965 PM |
303 | |
304 | ret |= i2c_register_board_info(0, highlander_i2c_devices, | |
305 | ARRAY_SIZE(highlander_i2c_devices)); | |
306 | ||
307 | return ret; | |
5283ecb5 | 308 | } |
32351a28 | 309 | device_initcall(r7780rp_devices_setup); |
5283ecb5 PM |
310 | |
311 | /* | |
312 | * Platform specific clocks | |
313 | */ | |
39f4490c | 314 | static int ivdr_clk_enable(struct clk *clk) |
5283ecb5 | 315 | { |
9d56dd3b | 316 | __raw_writew(__raw_readw(PA_IVDRCTL) | (1 << IVDR_CK_ON), PA_IVDRCTL); |
39f4490c | 317 | return 0; |
5283ecb5 PM |
318 | } |
319 | ||
320 | static void ivdr_clk_disable(struct clk *clk) | |
321 | { | |
9d56dd3b | 322 | __raw_writew(__raw_readw(PA_IVDRCTL) & ~(1 << IVDR_CK_ON), PA_IVDRCTL); |
5283ecb5 PM |
323 | } |
324 | ||
325 | static struct clk_ops ivdr_clk_ops = { | |
326 | .enable = ivdr_clk_enable, | |
327 | .disable = ivdr_clk_disable, | |
328 | }; | |
329 | ||
330 | static struct clk ivdr_clk = { | |
5283ecb5 PM |
331 | .ops = &ivdr_clk_ops, |
332 | }; | |
333 | ||
334 | static struct clk *r7780rp_clocks[] = { | |
335 | &ivdr_clk, | |
336 | }; | |
337 | ||
67bbabbc MD |
338 | static struct clk_lookup lookups[] = { |
339 | /* main clocks */ | |
340 | CLKDEV_CON_ID("ivdr_clk", &ivdr_clk), | |
341 | }; | |
342 | ||
5283ecb5 PM |
343 | static void r7780rp_power_off(void) |
344 | { | |
32351a28 | 345 | if (mach_is_r7780mp() || mach_is_r7785rp()) |
9d56dd3b | 346 | __raw_writew(0x0001, PA_POFF); |
5283ecb5 PM |
347 | } |
348 | ||
349 | /* | |
350 | * Initialize the board | |
351 | */ | |
32351a28 | 352 | static void __init highlander_setup(char **cmdline_p) |
5283ecb5 | 353 | { |
9d56dd3b | 354 | u16 ver = __raw_readw(PA_VERREG); |
5283ecb5 PM |
355 | int i; |
356 | ||
32351a28 PM |
357 | printk(KERN_INFO "Renesas Solutions Highlander %s support.\n", |
358 | mach_is_r7780rp() ? "R7780RP-1" : | |
359 | mach_is_r7780mp() ? "R7780MP" : | |
360 | "R7785RP"); | |
5283ecb5 PM |
361 | |
362 | printk(KERN_INFO "Board version: %d (revision %d), " | |
363 | "FPGA version: %d (revision %d)\n", | |
364 | (ver >> 12) & 0xf, (ver >> 8) & 0xf, | |
365 | (ver >> 4) & 0xf, ver & 0xf); | |
366 | ||
61dc6eae PM |
367 | highlander_plat_pinmux_setup(); |
368 | ||
5283ecb5 PM |
369 | /* |
370 | * Enable the important clocks right away.. | |
371 | */ | |
372 | for (i = 0; i < ARRAY_SIZE(r7780rp_clocks); i++) { | |
373 | struct clk *clk = r7780rp_clocks[i]; | |
374 | ||
375 | clk_register(clk); | |
376 | clk_enable(clk); | |
377 | } | |
378 | ||
67bbabbc MD |
379 | clkdev_add_table(lookups, ARRAY_SIZE(lookups)); |
380 | ||
9d56dd3b | 381 | __raw_writew(0x0000, PA_OBLED); /* Clear LED. */ |
32351a28 PM |
382 | |
383 | if (mach_is_r7780rp()) | |
9d56dd3b | 384 | __raw_writew(0x0001, PA_SDPOW); /* SD Power ON */ |
32351a28 | 385 | |
9d56dd3b | 386 | __raw_writew(__raw_readw(PA_IVDRCTL) | 0x01, PA_IVDRCTL); /* Si13112 */ |
5283ecb5 PM |
387 | |
388 | pm_power_off = r7780rp_power_off; | |
389 | } | |
2c7834a6 | 390 | |
897cfcd8 MD |
391 | static unsigned char irl2irq[HL_NR_IRL]; |
392 | ||
ae8a5348 | 393 | static int highlander_irq_demux(int irq) |
897cfcd8 | 394 | { |
90163320 | 395 | if (irq >= HL_NR_IRL || irq < 0 || !irl2irq[irq]) |
897cfcd8 MD |
396 | return irq; |
397 | ||
398 | return irl2irq[irq]; | |
399 | } | |
400 | ||
ae8a5348 | 401 | static void __init highlander_init_irq(void) |
897cfcd8 | 402 | { |
ae8a5348 | 403 | unsigned char *ucp = highlander_plat_irq_setup(); |
897cfcd8 MD |
404 | |
405 | if (ucp) { | |
406 | plat_irq_setup_pins(IRQ_MODE_IRL3210); | |
407 | memcpy(irl2irq, ucp, HL_NR_IRL); | |
408 | } | |
409 | } | |
410 | ||
2c7834a6 PM |
411 | /* |
412 | * The Machine Vector | |
413 | */ | |
82f81f47 | 414 | static struct sh_machine_vector mv_highlander __initmv = { |
32351a28 | 415 | .mv_name = "Highlander", |
32351a28 PM |
416 | .mv_setup = highlander_setup, |
417 | .mv_init_irq = highlander_init_irq, | |
897cfcd8 | 418 | .mv_irq_demux = highlander_irq_demux, |
2c7834a6 | 419 | }; |