Merge branch 'for-rmk' of git://linux-arm.org/linux-2.6 into devel
[linux-2.6] / arch / mips / alchemy / common / platform.c
1 /*
2  * Platform device support for Au1x00 SoCs.
3  *
4  * Copyright 2004, Matt Porter <mporter@kernel.crashing.org>
5  *
6  * (C) Copyright Embedded Alley Solutions, Inc 2005
7  * Author: Pantelis Antoniou <pantelis@embeddedalley.com>
8  *
9  * This file is licensed under the terms of the GNU General Public
10  * License version 2.  This program is licensed "as is" without any
11  * warranty of any kind, whether express or implied.
12  */
13
14 #include <linux/dma-mapping.h>
15 #include <linux/platform_device.h>
16 #include <linux/serial_8250.h>
17 #include <linux/init.h>
18
19 #include <asm/mach-au1x00/au1xxx.h>
20 #include <asm/mach-au1x00/au1xxx_dbdma.h>
21 #include <asm/mach-au1x00/au1100_mmc.h>
22
23 #define PORT(_base, _irq)                               \
24         {                                               \
25                 .iobase         = _base,                \
26                 .membase        = (void __iomem *)_base,\
27                 .mapbase        = CPHYSADDR(_base),     \
28                 .irq            = _irq,                 \
29                 .regshift       = 2,                    \
30                 .iotype         = UPIO_AU,              \
31                 .flags          = UPF_SKIP_TEST         \
32         }
33
34 static struct plat_serial8250_port au1x00_uart_data[] = {
35 #if defined(CONFIG_SERIAL_8250_AU1X00)
36 #if defined(CONFIG_SOC_AU1000)
37         PORT(UART0_ADDR, AU1000_UART0_INT),
38         PORT(UART1_ADDR, AU1000_UART1_INT),
39         PORT(UART2_ADDR, AU1000_UART2_INT),
40         PORT(UART3_ADDR, AU1000_UART3_INT),
41 #elif defined(CONFIG_SOC_AU1500)
42         PORT(UART0_ADDR, AU1500_UART0_INT),
43         PORT(UART3_ADDR, AU1500_UART3_INT),
44 #elif defined(CONFIG_SOC_AU1100)
45         PORT(UART0_ADDR, AU1100_UART0_INT),
46         PORT(UART1_ADDR, AU1100_UART1_INT),
47         PORT(UART3_ADDR, AU1100_UART3_INT),
48 #elif defined(CONFIG_SOC_AU1550)
49         PORT(UART0_ADDR, AU1550_UART0_INT),
50         PORT(UART1_ADDR, AU1550_UART1_INT),
51         PORT(UART3_ADDR, AU1550_UART3_INT),
52 #elif defined(CONFIG_SOC_AU1200)
53         PORT(UART0_ADDR, AU1200_UART0_INT),
54         PORT(UART1_ADDR, AU1200_UART1_INT),
55 #endif
56 #endif  /* CONFIG_SERIAL_8250_AU1X00 */
57         { },
58 };
59
60 static struct platform_device au1xx0_uart_device = {
61         .name                   = "serial8250",
62         .id                     = PLAT8250_DEV_AU1X00,
63         .dev                    = {
64                 .platform_data  = au1x00_uart_data,
65         },
66 };
67
68 /* OHCI (USB full speed host controller) */
69 static struct resource au1xxx_usb_ohci_resources[] = {
70         [0] = {
71                 .start          = USB_OHCI_BASE,
72                 .end            = USB_OHCI_BASE + USB_OHCI_LEN - 1,
73                 .flags          = IORESOURCE_MEM,
74         },
75         [1] = {
76                 .start          = AU1000_USB_HOST_INT,
77                 .end            = AU1000_USB_HOST_INT,
78                 .flags          = IORESOURCE_IRQ,
79         },
80 };
81
82 /* The dmamask must be set for OHCI to work */
83 static u64 ohci_dmamask = DMA_32BIT_MASK;
84
85 static struct platform_device au1xxx_usb_ohci_device = {
86         .name           = "au1xxx-ohci",
87         .id             = 0,
88         .dev = {
89                 .dma_mask               = &ohci_dmamask,
90                 .coherent_dma_mask      = DMA_32BIT_MASK,
91         },
92         .num_resources  = ARRAY_SIZE(au1xxx_usb_ohci_resources),
93         .resource       = au1xxx_usb_ohci_resources,
94 };
95
96 /*** AU1100 LCD controller ***/
97
98 #ifdef CONFIG_FB_AU1100
99 static struct resource au1100_lcd_resources[] = {
100         [0] = {
101                 .start          = LCD_PHYS_ADDR,
102                 .end            = LCD_PHYS_ADDR + 0x800 - 1,
103                 .flags          = IORESOURCE_MEM,
104         },
105         [1] = {
106                 .start          = AU1100_LCD_INT,
107                 .end            = AU1100_LCD_INT,
108                 .flags          = IORESOURCE_IRQ,
109         }
110 };
111
112 static u64 au1100_lcd_dmamask = DMA_32BIT_MASK;
113
114 static struct platform_device au1100_lcd_device = {
115         .name           = "au1100-lcd",
116         .id             = 0,
117         .dev = {
118                 .dma_mask               = &au1100_lcd_dmamask,
119                 .coherent_dma_mask      = DMA_32BIT_MASK,
120         },
121         .num_resources  = ARRAY_SIZE(au1100_lcd_resources),
122         .resource       = au1100_lcd_resources,
123 };
124 #endif
125
126 #ifdef CONFIG_SOC_AU1200
127 /* EHCI (USB high speed host controller) */
128 static struct resource au1xxx_usb_ehci_resources[] = {
129         [0] = {
130                 .start          = USB_EHCI_BASE,
131                 .end            = USB_EHCI_BASE + USB_EHCI_LEN - 1,
132                 .flags          = IORESOURCE_MEM,
133         },
134         [1] = {
135                 .start          = AU1000_USB_HOST_INT,
136                 .end            = AU1000_USB_HOST_INT,
137                 .flags          = IORESOURCE_IRQ,
138         },
139 };
140
141 static u64 ehci_dmamask = DMA_32BIT_MASK;
142
143 static struct platform_device au1xxx_usb_ehci_device = {
144         .name           = "au1xxx-ehci",
145         .id             = 0,
146         .dev = {
147                 .dma_mask               = &ehci_dmamask,
148                 .coherent_dma_mask      = DMA_32BIT_MASK,
149         },
150         .num_resources  = ARRAY_SIZE(au1xxx_usb_ehci_resources),
151         .resource       = au1xxx_usb_ehci_resources,
152 };
153
154 /* Au1200 UDC (USB gadget controller) */
155 static struct resource au1xxx_usb_gdt_resources[] = {
156         [0] = {
157                 .start          = USB_UDC_BASE,
158                 .end            = USB_UDC_BASE + USB_UDC_LEN - 1,
159                 .flags          = IORESOURCE_MEM,
160         },
161         [1] = {
162                 .start          = AU1200_USB_INT,
163                 .end            = AU1200_USB_INT,
164                 .flags          = IORESOURCE_IRQ,
165         },
166 };
167
168 static u64 udc_dmamask = DMA_32BIT_MASK;
169
170 static struct platform_device au1xxx_usb_gdt_device = {
171         .name           = "au1xxx-udc",
172         .id             = 0,
173         .dev = {
174                 .dma_mask               = &udc_dmamask,
175                 .coherent_dma_mask      = DMA_32BIT_MASK,
176         },
177         .num_resources  = ARRAY_SIZE(au1xxx_usb_gdt_resources),
178         .resource       = au1xxx_usb_gdt_resources,
179 };
180
181 /* Au1200 UOC (USB OTG controller) */
182 static struct resource au1xxx_usb_otg_resources[] = {
183         [0] = {
184                 .start          = USB_UOC_BASE,
185                 .end            = USB_UOC_BASE + USB_UOC_LEN - 1,
186                 .flags          = IORESOURCE_MEM,
187         },
188         [1] = {
189                 .start          = AU1200_USB_INT,
190                 .end            = AU1200_USB_INT,
191                 .flags          = IORESOURCE_IRQ,
192         },
193 };
194
195 static u64 uoc_dmamask = DMA_32BIT_MASK;
196
197 static struct platform_device au1xxx_usb_otg_device = {
198         .name           = "au1xxx-uoc",
199         .id             = 0,
200         .dev = {
201                 .dma_mask               = &uoc_dmamask,
202                 .coherent_dma_mask      = DMA_32BIT_MASK,
203         },
204         .num_resources  = ARRAY_SIZE(au1xxx_usb_otg_resources),
205         .resource       = au1xxx_usb_otg_resources,
206 };
207
208 static struct resource au1200_lcd_resources[] = {
209         [0] = {
210                 .start          = LCD_PHYS_ADDR,
211                 .end            = LCD_PHYS_ADDR + 0x800 - 1,
212                 .flags          = IORESOURCE_MEM,
213         },
214         [1] = {
215                 .start          = AU1200_LCD_INT,
216                 .end            = AU1200_LCD_INT,
217                 .flags          = IORESOURCE_IRQ,
218         }
219 };
220
221 static u64 au1200_lcd_dmamask = DMA_32BIT_MASK;
222
223 static struct platform_device au1200_lcd_device = {
224         .name           = "au1200-lcd",
225         .id             = 0,
226         .dev = {
227                 .dma_mask               = &au1200_lcd_dmamask,
228                 .coherent_dma_mask      = DMA_32BIT_MASK,
229         },
230         .num_resources  = ARRAY_SIZE(au1200_lcd_resources),
231         .resource       = au1200_lcd_resources,
232 };
233
234 static u64 au1xxx_mmc_dmamask =  DMA_32BIT_MASK;
235
236 extern struct au1xmmc_platform_data au1xmmc_platdata[2];
237
238 static struct resource au1200_mmc0_resources[] = {
239         [0] = {
240                 .start          = SD0_PHYS_ADDR,
241                 .end            = SD0_PHYS_ADDR + 0x7ffff,
242                 .flags          = IORESOURCE_MEM,
243         },
244         [1] = {
245                 .start          = AU1200_SD_INT,
246                 .end            = AU1200_SD_INT,
247                 .flags          = IORESOURCE_IRQ,
248         },
249         [2] = {
250                 .start          = DSCR_CMD0_SDMS_TX0,
251                 .end            = DSCR_CMD0_SDMS_TX0,
252                 .flags          = IORESOURCE_DMA,
253         },
254         [3] = {
255                 .start          = DSCR_CMD0_SDMS_RX0,
256                 .end            = DSCR_CMD0_SDMS_RX0,
257                 .flags          = IORESOURCE_DMA,
258         }
259 };
260
261 static struct platform_device au1200_mmc0_device = {
262         .name = "au1xxx-mmc",
263         .id = 0,
264         .dev = {
265                 .dma_mask               = &au1xxx_mmc_dmamask,
266                 .coherent_dma_mask      = DMA_32BIT_MASK,
267                 .platform_data          = &au1xmmc_platdata[0],
268         },
269         .num_resources  = ARRAY_SIZE(au1200_mmc0_resources),
270         .resource       = au1200_mmc0_resources,
271 };
272
273 #ifndef CONFIG_MIPS_DB1200
274 static struct resource au1200_mmc1_resources[] = {
275         [0] = {
276                 .start          = SD1_PHYS_ADDR,
277                 .end            = SD1_PHYS_ADDR + 0x7ffff,
278                 .flags          = IORESOURCE_MEM,
279         },
280         [1] = {
281                 .start          = AU1200_SD_INT,
282                 .end            = AU1200_SD_INT,
283                 .flags          = IORESOURCE_IRQ,
284         },
285         [2] = {
286                 .start          = DSCR_CMD0_SDMS_TX1,
287                 .end            = DSCR_CMD0_SDMS_TX1,
288                 .flags          = IORESOURCE_DMA,
289         },
290         [3] = {
291                 .start          = DSCR_CMD0_SDMS_RX1,
292                 .end            = DSCR_CMD0_SDMS_RX1,
293                 .flags          = IORESOURCE_DMA,
294         }
295 };
296
297 static struct platform_device au1200_mmc1_device = {
298         .name = "au1xxx-mmc",
299         .id = 1,
300         .dev = {
301                 .dma_mask               = &au1xxx_mmc_dmamask,
302                 .coherent_dma_mask      = DMA_32BIT_MASK,
303                 .platform_data          = &au1xmmc_platdata[1],
304         },
305         .num_resources  = ARRAY_SIZE(au1200_mmc1_resources),
306         .resource       = au1200_mmc1_resources,
307 };
308 #endif /* #ifndef CONFIG_MIPS_DB1200 */
309 #endif /* #ifdef CONFIG_SOC_AU1200 */
310
311 static struct platform_device au1x00_pcmcia_device = {
312         .name           = "au1x00-pcmcia",
313         .id             = 0,
314 };
315
316 /* All Alchemy demoboards with I2C have this #define in their headers */
317 #ifdef SMBUS_PSC_BASE
318 static struct resource pbdb_smbus_resources[] = {
319         {
320                 .start  = CPHYSADDR(SMBUS_PSC_BASE),
321                 .end    = CPHYSADDR(SMBUS_PSC_BASE + 0xfffff),
322                 .flags  = IORESOURCE_MEM,
323         },
324 };
325
326 static struct platform_device pbdb_smbus_device = {
327         .name           = "au1xpsc_smbus",
328         .id             = 0,    /* bus number */
329         .num_resources  = ARRAY_SIZE(pbdb_smbus_resources),
330         .resource       = pbdb_smbus_resources,
331 };
332 #endif
333
334 static struct platform_device *au1xxx_platform_devices[] __initdata = {
335         &au1xx0_uart_device,
336         &au1xxx_usb_ohci_device,
337         &au1x00_pcmcia_device,
338 #ifdef CONFIG_FB_AU1100
339         &au1100_lcd_device,
340 #endif
341 #ifdef CONFIG_SOC_AU1200
342         &au1xxx_usb_ehci_device,
343         &au1xxx_usb_gdt_device,
344         &au1xxx_usb_otg_device,
345         &au1200_lcd_device,
346         &au1200_mmc0_device,
347 #ifndef CONFIG_MIPS_DB1200
348         &au1200_mmc1_device,
349 #endif
350 #endif
351 #ifdef SMBUS_PSC_BASE
352         &pbdb_smbus_device,
353 #endif
354 };
355
356 static int __init au1xxx_platform_init(void)
357 {
358         unsigned int uartclk = get_au1x00_uart_baud_base() * 16;
359         int i;
360
361         /* Fill up uartclk. */
362         for (i = 0; au1x00_uart_data[i].flags; i++)
363                 au1x00_uart_data[i].uartclk = uartclk;
364
365         return platform_add_devices(au1xxx_platform_devices,
366                                     ARRAY_SIZE(au1xxx_platform_devices));
367 }
368
369 arch_initcall(au1xxx_platform_init);