Root/arch/mips/jz4740/platform.c

Source at commit 694c7fbe86b8a9c91392e505afcb9fcfc91deccc created 12 years 6 months ago.
By Maarten ter Huurne, MIPS: JZ4740: Add cpufreq support
1/*
2 * Copyright (C) 2009-2010, Lars-Peter Clausen <lars@metafoo.de>
3 * JZ4740 platform devices
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License as published by the
7 * Free Software Foundation; either version 2 of the License, or (at your
8 * option) any later version.
9 *
10 * You should have received a copy of the GNU General Public License along
11 * with this program; if not, write to the Free Software Foundation, Inc.,
12 * 675 Mass Ave, Cambridge, MA 02139, USA.
13 *
14 */
15
16#include <linux/device.h>
17#include <linux/init.h>
18#include <linux/kernel.h>
19#include <linux/platform_device.h>
20#include <linux/resource.h>
21
22#include <linux/dma-mapping.h>
23
24#include <asm/mach-jz4740/platform.h>
25#include <asm/mach-jz4740/base.h>
26#include <asm/mach-jz4740/irq.h>
27
28#include <linux/serial_core.h>
29#include <linux/serial_8250.h>
30
31#include "serial.h"
32#include "clock.h"
33
34/* OHCI controller */
35static struct resource jz4740_usb_ohci_resources[] = {
36    {
37        .start = JZ4740_UHC_BASE_ADDR,
38        .end = JZ4740_UHC_BASE_ADDR + 0x1000 - 1,
39        .flags = IORESOURCE_MEM,
40    },
41    {
42        .start = JZ4740_IRQ_UHC,
43        .end = JZ4740_IRQ_UHC,
44        .flags = IORESOURCE_IRQ,
45    },
46};
47
48struct platform_device jz4740_usb_ohci_device = {
49    .name = "jz4740-ohci",
50    .id = -1,
51    .dev = {
52        .dma_mask = &jz4740_usb_ohci_device.dev.coherent_dma_mask,
53        .coherent_dma_mask = DMA_BIT_MASK(32),
54    },
55    .num_resources = ARRAY_SIZE(jz4740_usb_ohci_resources),
56    .resource = jz4740_usb_ohci_resources,
57};
58
59/* UDC (USB gadget controller) */
60static struct resource jz4740_usb_gdt_resources[] = {
61    {
62        .start = JZ4740_UDC_BASE_ADDR,
63        .end = JZ4740_UDC_BASE_ADDR + 0x1000 - 1,
64        .flags = IORESOURCE_MEM,
65    },
66    {
67        .start = JZ4740_IRQ_UDC,
68        .end = JZ4740_IRQ_UDC,
69        .flags = IORESOURCE_IRQ,
70    },
71};
72
73struct platform_device jz4740_udc_device = {
74    .name = "jz-udc",
75    .id = -1,
76    .dev = {
77        .dma_mask = &jz4740_udc_device.dev.coherent_dma_mask,
78        .coherent_dma_mask = DMA_BIT_MASK(32),
79    },
80    .num_resources = ARRAY_SIZE(jz4740_usb_gdt_resources),
81    .resource = jz4740_usb_gdt_resources,
82};
83
84/* MMC/SD controller */
85static struct resource jz4740_mmc_resources[] = {
86    {
87        .start = JZ4740_MSC_BASE_ADDR,
88        .end = JZ4740_MSC_BASE_ADDR + 0x1000 - 1,
89        .flags = IORESOURCE_MEM,
90    },
91    {
92        .start = JZ4740_IRQ_MSC,
93        .end = JZ4740_IRQ_MSC,
94        .flags = IORESOURCE_IRQ,
95    }
96};
97
98struct platform_device jz4740_mmc_device = {
99    .name = "jz4740-mmc",
100    .id = 0,
101    .dev = {
102        .dma_mask = &jz4740_mmc_device.dev.coherent_dma_mask,
103        .coherent_dma_mask = DMA_BIT_MASK(32),
104    },
105    .num_resources = ARRAY_SIZE(jz4740_mmc_resources),
106    .resource = jz4740_mmc_resources,
107};
108
109/* RTC controller */
110static struct resource jz4740_rtc_resources[] = {
111    {
112        .start = JZ4740_RTC_BASE_ADDR,
113        .end = JZ4740_RTC_BASE_ADDR + 0x38 - 1,
114        .flags = IORESOURCE_MEM,
115    },
116    {
117        .start = JZ4740_IRQ_RTC,
118        .end = JZ4740_IRQ_RTC,
119        .flags = IORESOURCE_IRQ,
120    },
121};
122
123struct platform_device jz4740_rtc_device = {
124    .name = "jz4740-rtc",
125    .id = -1,
126    .num_resources = ARRAY_SIZE(jz4740_rtc_resources),
127    .resource = jz4740_rtc_resources,
128};
129
130/* I2C controller */
131static struct resource jz4740_i2c_resources[] = {
132    {
133        .start = JZ4740_I2C_BASE_ADDR,
134        .end = JZ4740_I2C_BASE_ADDR + 0x1000 - 1,
135        .flags = IORESOURCE_MEM,
136    },
137    {
138        .start = JZ4740_IRQ_I2C,
139        .end = JZ4740_IRQ_I2C,
140        .flags = IORESOURCE_IRQ,
141    }
142};
143
144struct platform_device jz4740_i2c_device = {
145    .name = "jz4740-i2c",
146    .id = 0,
147    .num_resources = ARRAY_SIZE(jz4740_i2c_resources),
148    .resource = jz4740_i2c_resources,
149};
150
151/* NAND controller */
152static struct resource jz4740_nand_resources[] = {
153    {
154        .name = "mmio",
155        .start = JZ4740_EMC_BASE_ADDR,
156        .end = JZ4740_EMC_BASE_ADDR + 0x1000 - 1,
157        .flags = IORESOURCE_MEM,
158    },
159    {
160        .name = "bank1",
161        .start = 0x18000000,
162        .end = 0x180C0000 - 1,
163        .flags = IORESOURCE_MEM,
164    },
165    {
166        .name = "bank2",
167        .start = 0x14000000,
168        .end = 0x140C0000 - 1,
169        .flags = IORESOURCE_MEM,
170    },
171    {
172        .name = "bank3",
173        .start = 0x0C000000,
174        .end = 0x0C0C0000 - 1,
175        .flags = IORESOURCE_MEM,
176    },
177    {
178        .name = "bank4",
179        .start = 0x08000000,
180        .end = 0x080C0000 - 1,
181        .flags = IORESOURCE_MEM,
182    },
183};
184
185struct platform_device jz4740_nand_device = {
186    .name = "jz4740-nand",
187    .num_resources = ARRAY_SIZE(jz4740_nand_resources),
188    .resource = jz4740_nand_resources,
189};
190
191/* LCD controller */
192static struct resource jz4740_framebuffer_resources[] = {
193    {
194        .start = JZ4740_LCD_BASE_ADDR,
195        .end = JZ4740_LCD_BASE_ADDR + 0x1000 - 1,
196        .flags = IORESOURCE_MEM,
197    },
198};
199
200struct platform_device jz4740_framebuffer_device = {
201    .name = "jz4740-fb",
202    .id = -1,
203    .num_resources = ARRAY_SIZE(jz4740_framebuffer_resources),
204    .resource = jz4740_framebuffer_resources,
205    .dev = {
206        .dma_mask = &jz4740_framebuffer_device.dev.coherent_dma_mask,
207        .coherent_dma_mask = DMA_BIT_MASK(32),
208    },
209};
210
211/* I2S controller */
212static struct resource jz4740_i2s_resources[] = {
213    {
214        .start = JZ4740_AIC_BASE_ADDR,
215        .end = JZ4740_AIC_BASE_ADDR + 0x38 - 1,
216        .flags = IORESOURCE_MEM,
217    },
218};
219
220struct platform_device jz4740_i2s_device = {
221    .name = "jz4740-i2s",
222    .id = -1,
223    .num_resources = ARRAY_SIZE(jz4740_i2s_resources),
224    .resource = jz4740_i2s_resources,
225};
226
227/* PCM */
228struct platform_device jz4740_pcm_device = {
229    .name = "jz4740-pcm-audio",
230    .id = -1,
231};
232
233/* Codec */
234static struct resource jz4740_codec_resources[] = {
235    {
236        .start = JZ4740_AIC_BASE_ADDR + 0x80,
237        .end = JZ4740_AIC_BASE_ADDR + 0x88 - 1,
238        .flags = IORESOURCE_MEM,
239    },
240};
241
242struct platform_device jz4740_codec_device = {
243    .name = "jz4740-codec",
244    .id = -1,
245    .num_resources = ARRAY_SIZE(jz4740_codec_resources),
246    .resource = jz4740_codec_resources,
247};
248
249/* ADC controller */
250static struct resource jz4740_adc_resources[] = {
251    {
252        .start = JZ4740_SADC_BASE_ADDR,
253        .end = JZ4740_SADC_BASE_ADDR + 0x30,
254        .flags = IORESOURCE_MEM,
255    },
256    {
257        .start = JZ4740_IRQ_SADC,
258        .end = JZ4740_IRQ_SADC,
259        .flags = IORESOURCE_IRQ,
260    },
261    {
262        .start = JZ4740_IRQ_ADC_BASE,
263        .end = JZ4740_IRQ_ADC_BASE,
264        .flags = IORESOURCE_IRQ,
265    },
266};
267
268struct platform_device jz4740_adc_device = {
269    .name = "jz4740-adc",
270    .id = -1,
271    .num_resources = ARRAY_SIZE(jz4740_adc_resources),
272    .resource = jz4740_adc_resources,
273};
274
275/* Serial */
276#define JZ4740_UART_DATA(_id) \
277    { \
278        .flags = UPF_SKIP_TEST | UPF_IOREMAP | UPF_FIXED_TYPE, \
279        .iotype = UPIO_MEM, \
280        .regshift = 2, \
281        .serial_out = jz4740_serial_out, \
282        .type = PORT_16550, \
283        .mapbase = JZ4740_UART ## _id ## _BASE_ADDR, \
284        .irq = JZ4740_IRQ_UART ## _id, \
285    }
286
287static struct plat_serial8250_port jz4740_uart_data[] = {
288    JZ4740_UART_DATA(0),
289    JZ4740_UART_DATA(1),
290    {},
291};
292
293static struct platform_device jz4740_uart_device = {
294    .name = "serial8250",
295    .id = 0,
296    .dev = {
297        .platform_data = jz4740_uart_data,
298    },
299};
300
301void jz4740_serial_device_register(void)
302{
303    struct plat_serial8250_port *p;
304
305    for (p = jz4740_uart_data; p->flags != 0; ++p)
306        p->uartclk = jz4740_clock_bdata.ext_rate;
307
308    platform_device_register(&jz4740_uart_device);
309}
310
311/* Watchdog */
312static struct resource jz4740_wdt_resources[] = {
313    {
314        .start = JZ4740_WDT_BASE_ADDR,
315        .end = JZ4740_WDT_BASE_ADDR + 0x10 - 1,
316        .flags = IORESOURCE_MEM,
317    },
318};
319
320struct platform_device jz4740_wdt_device = {
321    .name = "jz4740-wdt",
322    .id = -1,
323    .num_resources = ARRAY_SIZE(jz4740_wdt_resources),
324    .resource = jz4740_wdt_resources,
325};
326
327/* PWM */
328struct platform_device jz4740_pwm_device = {
329    .name = "jz4740-pwm",
330    .id = -1,
331};
332
333/* DMA */
334static struct resource jz4740_dma_resources[] = {
335    {
336        .start = JZ4740_DMAC_BASE_ADDR,
337        .end = JZ4740_DMAC_BASE_ADDR + 0x400 - 1,
338        .flags = IORESOURCE_MEM,
339    },
340    {
341        .start = JZ4740_IRQ_DMAC,
342        .end = JZ4740_IRQ_DMAC,
343        .flags = IORESOURCE_IRQ,
344    },
345};
346
347struct platform_device jz4740_dma_device = {
348    .name = "jz4740-dma",
349    .id = -1,
350    .num_resources = ARRAY_SIZE(jz4740_dma_resources),
351    .resource = jz4740_dma_resources,
352};
353

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