[MIPS] Alchemy, PNX: Use symbolic constants for DMA masks.
[linux-2.6.git] / arch / mips / au1000 / 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
21 #define PORT(_base, _irq)                               \
22         {                                               \
23                 .iobase         = _base,                \
24                 .membase        = (void __iomem *)_base,\
25                 .mapbase        = CPHYSADDR(_base),     \
26                 .irq            = _irq,                 \
27                 .regshift       = 2,                    \
28                 .iotype         = UPIO_AU,              \
29                 .flags          = UPF_SKIP_TEST         \
30         }
31
32 static struct plat_serial8250_port au1x00_uart_data[] = {
33 #if defined(CONFIG_SERIAL_8250_AU1X00)
34 #if defined(CONFIG_SOC_AU1000)
35         PORT(UART0_ADDR, AU1000_UART0_INT),
36         PORT(UART1_ADDR, AU1000_UART1_INT),
37         PORT(UART2_ADDR, AU1000_UART2_INT),
38         PORT(UART3_ADDR, AU1000_UART3_INT),
39 #elif defined(CONFIG_SOC_AU1500)
40         PORT(UART0_ADDR, AU1500_UART0_INT),
41         PORT(UART3_ADDR, AU1500_UART3_INT),
42 #elif defined(CONFIG_SOC_AU1100)
43         PORT(UART0_ADDR, AU1100_UART0_INT),
44         PORT(UART1_ADDR, AU1100_UART1_INT),
45         PORT(UART3_ADDR, AU1100_UART3_INT),
46 #elif defined(CONFIG_SOC_AU1550)
47         PORT(UART0_ADDR, AU1550_UART0_INT),
48         PORT(UART1_ADDR, AU1550_UART1_INT),
49         PORT(UART3_ADDR, AU1550_UART3_INT),
50 #elif defined(CONFIG_SOC_AU1200)
51         PORT(UART0_ADDR, AU1200_UART0_INT),
52         PORT(UART1_ADDR, AU1200_UART1_INT),
53 #endif
54 #endif  /* CONFIG_SERIAL_8250_AU1X00 */
55         { },
56 };
57
58 static struct platform_device au1xx0_uart_device = {
59         .name                   = "serial8250",
60         .id                     = PLAT8250_DEV_AU1X00,
61         .dev                    = {
62                 .platform_data  = au1x00_uart_data,
63         },
64 };
65
66 /* OHCI (USB full speed host controller) */
67 static struct resource au1xxx_usb_ohci_resources[] = {
68         [0] = {
69                 .start          = USB_OHCI_BASE,
70                 .end            = USB_OHCI_BASE + USB_OHCI_LEN - 1,
71                 .flags          = IORESOURCE_MEM,
72         },
73         [1] = {
74                 .start          = AU1000_USB_HOST_INT,
75                 .end            = AU1000_USB_HOST_INT,
76                 .flags          = IORESOURCE_IRQ,
77         },
78 };
79
80 /* The dmamask must be set for OHCI to work */
81 static u64 ohci_dmamask = DMA_32BIT_MASK;
82
83 static struct platform_device au1xxx_usb_ohci_device = {
84         .name           = "au1xxx-ohci",
85         .id             = 0,
86         .dev = {
87                 .dma_mask               = &ohci_dmamask,
88                 .coherent_dma_mask      = DMA_32BIT_MASK,
89         },
90         .num_resources  = ARRAY_SIZE(au1xxx_usb_ohci_resources),
91         .resource       = au1xxx_usb_ohci_resources,
92 };
93
94 /*** AU1100 LCD controller ***/
95
96 #ifdef CONFIG_FB_AU1100
97 static struct resource au1100_lcd_resources[] = {
98         [0] = {
99                 .start          = LCD_PHYS_ADDR,
100                 .end            = LCD_PHYS_ADDR + 0x800 - 1,
101                 .flags          = IORESOURCE_MEM,
102         },
103         [1] = {
104                 .start          = AU1100_LCD_INT,
105                 .end            = AU1100_LCD_INT,
106                 .flags          = IORESOURCE_IRQ,
107         }
108 };
109
110 static u64 au1100_lcd_dmamask = DMA_32BIT_MASK;
111
112 static struct platform_device au1100_lcd_device = {
113         .name           = "au1100-lcd",
114         .id             = 0,
115         .dev = {
116                 .dma_mask               = &au1100_lcd_dmamask,
117                 .coherent_dma_mask      = DMA_32BIT_MASK,
118         },
119         .num_resources  = ARRAY_SIZE(au1100_lcd_resources),
120         .resource       = au1100_lcd_resources,
121 };
122 #endif
123
124 #ifdef CONFIG_SOC_AU1200
125 /* EHCI (USB high speed host controller) */
126 static struct resource au1xxx_usb_ehci_resources[] = {
127         [0] = {
128                 .start          = USB_EHCI_BASE,
129                 .end            = USB_EHCI_BASE + USB_EHCI_LEN - 1,
130                 .flags          = IORESOURCE_MEM,
131         },
132         [1] = {
133                 .start          = AU1000_USB_HOST_INT,
134                 .end            = AU1000_USB_HOST_INT,
135                 .flags          = IORESOURCE_IRQ,
136         },
137 };
138
139 static u64 ehci_dmamask = DMA_32BIT_MASK;
140
141 static struct platform_device au1xxx_usb_ehci_device = {
142         .name           = "au1xxx-ehci",
143         .id             = 0,
144         .dev = {
145                 .dma_mask               = &ehci_dmamask,
146                 .coherent_dma_mask      = DMA_32BIT_MASK,
147         },
148         .num_resources  = ARRAY_SIZE(au1xxx_usb_ehci_resources),
149         .resource       = au1xxx_usb_ehci_resources,
150 };
151
152 /* Au1200 UDC (USB gadget controller) */
153 static struct resource au1xxx_usb_gdt_resources[] = {
154         [0] = {
155                 .start          = USB_UDC_BASE,
156                 .end            = USB_UDC_BASE + USB_UDC_LEN - 1,
157                 .flags          = IORESOURCE_MEM,
158         },
159         [1] = {
160                 .start          = AU1200_USB_INT,
161                 .end            = AU1200_USB_INT,
162                 .flags          = IORESOURCE_IRQ,
163         },
164 };
165
166 static struct resource au1xxx_mmc_resources[] = {
167         [0] = {
168                 .start          = SD0_PHYS_ADDR,
169                 .end            = SD0_PHYS_ADDR + 0x7ffff,
170                 .flags          = IORESOURCE_MEM,
171         },
172         [1] = {
173                 .start          = SD1_PHYS_ADDR,
174                 .end            = SD1_PHYS_ADDR + 0x7ffff,
175                 .flags          = IORESOURCE_MEM,
176         },
177         [2] = {
178                 .start          = AU1200_SD_INT,
179                 .end            = AU1200_SD_INT,
180                 .flags          = IORESOURCE_IRQ,
181         }
182 };
183
184 static u64 udc_dmamask = DMA_32BIT_MASK;
185
186 static struct platform_device au1xxx_usb_gdt_device = {
187         .name           = "au1xxx-udc",
188         .id             = 0,
189         .dev = {
190                 .dma_mask               = &udc_dmamask,
191                 .coherent_dma_mask      = DMA_32BIT_MASK,
192         },
193         .num_resources  = ARRAY_SIZE(au1xxx_usb_gdt_resources),
194         .resource       = au1xxx_usb_gdt_resources,
195 };
196
197 /* Au1200 UOC (USB OTG controller) */
198 static struct resource au1xxx_usb_otg_resources[] = {
199         [0] = {
200                 .start          = USB_UOC_BASE,
201                 .end            = USB_UOC_BASE + USB_UOC_LEN - 1,
202                 .flags          = IORESOURCE_MEM,
203         },
204         [1] = {
205                 .start          = AU1200_USB_INT,
206                 .end            = AU1200_USB_INT,
207                 .flags          = IORESOURCE_IRQ,
208         },
209 };
210
211 static u64 uoc_dmamask = DMA_32BIT_MASK;
212
213 static struct platform_device au1xxx_usb_otg_device = {
214         .name           = "au1xxx-uoc",
215         .id             = 0,
216         .dev = {
217                 .dma_mask               = &uoc_dmamask,
218                 .coherent_dma_mask      = DMA_32BIT_MASK,
219         },
220         .num_resources  = ARRAY_SIZE(au1xxx_usb_otg_resources),
221         .resource       = au1xxx_usb_otg_resources,
222 };
223
224 static struct resource au1200_lcd_resources[] = {
225         [0] = {
226                 .start          = LCD_PHYS_ADDR,
227                 .end            = LCD_PHYS_ADDR + 0x800 - 1,
228                 .flags          = IORESOURCE_MEM,
229         },
230         [1] = {
231                 .start          = AU1200_LCD_INT,
232                 .end            = AU1200_LCD_INT,
233                 .flags          = IORESOURCE_IRQ,
234         }
235 };
236
237 static u64 au1200_lcd_dmamask = DMA_32BIT_MASK;
238
239 static struct platform_device au1200_lcd_device = {
240         .name           = "au1200-lcd",
241         .id             = 0,
242         .dev = {
243                 .dma_mask               = &au1200_lcd_dmamask,
244                 .coherent_dma_mask      = DMA_32BIT_MASK,
245         },
246         .num_resources  = ARRAY_SIZE(au1200_lcd_resources),
247         .resource       = au1200_lcd_resources,
248 };
249
250 static u64 au1xxx_mmc_dmamask =  DMA_32BIT_MASK;
251
252 static struct platform_device au1xxx_mmc_device = {
253         .name = "au1xxx-mmc",
254         .id = 0,
255         .dev = {
256                 .dma_mask               = &au1xxx_mmc_dmamask,
257                 .coherent_dma_mask      = DMA_32BIT_MASK,
258         },
259         .num_resources  = ARRAY_SIZE(au1xxx_mmc_resources),
260         .resource       = au1xxx_mmc_resources,
261 };
262 #endif /* #ifdef CONFIG_SOC_AU1200 */
263
264 static struct platform_device au1x00_pcmcia_device = {
265         .name           = "au1x00-pcmcia",
266         .id             = 0,
267 };
268
269 /* All Alchemy demoboards with I2C have this #define in their headers */
270 #ifdef SMBUS_PSC_BASE
271 static struct resource pbdb_smbus_resources[] = {
272         {
273                 .start  = CPHYSADDR(SMBUS_PSC_BASE),
274                 .end    = CPHYSADDR(SMBUS_PSC_BASE + 0xfffff),
275                 .flags  = IORESOURCE_MEM,
276         },
277 };
278
279 static struct platform_device pbdb_smbus_device = {
280         .name           = "au1xpsc_smbus",
281         .id             = 0,    /* bus number */
282         .num_resources  = ARRAY_SIZE(pbdb_smbus_resources),
283         .resource       = pbdb_smbus_resources,
284 };
285 #endif
286
287 static struct platform_device *au1xxx_platform_devices[] __initdata = {
288         &au1xx0_uart_device,
289         &au1xxx_usb_ohci_device,
290         &au1x00_pcmcia_device,
291 #ifdef CONFIG_FB_AU1100
292         &au1100_lcd_device,
293 #endif
294 #ifdef CONFIG_SOC_AU1200
295         &au1xxx_usb_ehci_device,
296         &au1xxx_usb_gdt_device,
297         &au1xxx_usb_otg_device,
298         &au1200_lcd_device,
299         &au1xxx_mmc_device,
300 #endif
301 #ifdef SMBUS_PSC_BASE
302         &pbdb_smbus_device,
303 #endif
304 };
305
306 static int __init au1xxx_platform_init(void)
307 {
308         unsigned int uartclk = get_au1x00_uart_baud_base() * 16;
309         int i;
310
311         /* Fill up uartclk. */
312         for (i = 0; au1x00_uart_data[i].flags; i++)
313                 au1x00_uart_data[i].uartclk = uartclk;
314
315         return platform_add_devices(au1xxx_platform_devices,
316                                     ARRAY_SIZE(au1xxx_platform_devices));
317 }
318
319 arch_initcall(au1xxx_platform_init);