Root/
1 | /* |
2 | * USB |
3 | */ |
4 | #include <linux/init.h> |
5 | #include <linux/platform_device.h> |
6 | #include <linux/dma-mapping.h> |
7 | |
8 | #include <linux/usb/musb.h> |
9 | |
10 | #include <mach/common.h> |
11 | #include <mach/irqs.h> |
12 | #include <mach/cputype.h> |
13 | #include <mach/usb.h> |
14 | |
15 | #define DAVINCI_USB_OTG_BASE 0x01c64000 |
16 | |
17 | #define DA8XX_USB0_BASE 0x01e00000 |
18 | #define DA8XX_USB1_BASE 0x01e25000 |
19 | |
20 | #if defined(CONFIG_USB_MUSB_HDRC) || defined(CONFIG_USB_MUSB_HDRC_MODULE) |
21 | static struct musb_hdrc_eps_bits musb_eps[] = { |
22 | { "ep1_tx", 8, }, |
23 | { "ep1_rx", 8, }, |
24 | { "ep2_tx", 8, }, |
25 | { "ep2_rx", 8, }, |
26 | { "ep3_tx", 5, }, |
27 | { "ep3_rx", 5, }, |
28 | { "ep4_tx", 5, }, |
29 | { "ep4_rx", 5, }, |
30 | }; |
31 | |
32 | static struct musb_hdrc_config musb_config = { |
33 | .multipoint = true, |
34 | .dyn_fifo = true, |
35 | .soft_con = true, |
36 | .dma = true, |
37 | |
38 | .num_eps = 5, |
39 | .dma_channels = 8, |
40 | .ram_bits = 10, |
41 | .eps_bits = musb_eps, |
42 | }; |
43 | |
44 | static struct musb_hdrc_platform_data usb_data = { |
45 | #if defined(CONFIG_USB_MUSB_OTG) |
46 | /* OTG requires a Mini-AB connector */ |
47 | .mode = MUSB_OTG, |
48 | #elif defined(CONFIG_USB_MUSB_PERIPHERAL) |
49 | .mode = MUSB_PERIPHERAL, |
50 | #elif defined(CONFIG_USB_MUSB_HOST) |
51 | .mode = MUSB_HOST, |
52 | #endif |
53 | .clock = "usb", |
54 | .config = &musb_config, |
55 | }; |
56 | |
57 | static struct resource usb_resources[] = { |
58 | { |
59 | /* physical address */ |
60 | .start = DAVINCI_USB_OTG_BASE, |
61 | .end = DAVINCI_USB_OTG_BASE + 0x5ff, |
62 | .flags = IORESOURCE_MEM, |
63 | }, |
64 | { |
65 | .start = IRQ_USBINT, |
66 | .flags = IORESOURCE_IRQ, |
67 | }, |
68 | { |
69 | /* placeholder for the dedicated CPPI IRQ */ |
70 | .flags = IORESOURCE_IRQ, |
71 | }, |
72 | }; |
73 | |
74 | static u64 usb_dmamask = DMA_BIT_MASK(32); |
75 | |
76 | static struct platform_device usb_dev = { |
77 | .name = "musb_hdrc", |
78 | .id = -1, |
79 | .dev = { |
80 | .platform_data = &usb_data, |
81 | .dma_mask = &usb_dmamask, |
82 | .coherent_dma_mask = DMA_BIT_MASK(32), |
83 | }, |
84 | .resource = usb_resources, |
85 | .num_resources = ARRAY_SIZE(usb_resources), |
86 | }; |
87 | |
88 | void __init davinci_setup_usb(unsigned mA, unsigned potpgt_ms) |
89 | { |
90 | usb_data.power = mA > 510 ? 255 : mA / 2; |
91 | usb_data.potpgt = (potpgt_ms + 1) / 2; |
92 | |
93 | if (cpu_is_davinci_dm646x()) { |
94 | /* Override the defaults as DM6467 uses different IRQs. */ |
95 | usb_dev.resource[1].start = IRQ_DM646X_USBINT; |
96 | usb_dev.resource[2].start = IRQ_DM646X_USBDMAINT; |
97 | } else /* other devices don't have dedicated CPPI IRQ */ |
98 | usb_dev.num_resources = 2; |
99 | |
100 | platform_device_register(&usb_dev); |
101 | } |
102 | |
103 | #ifdef CONFIG_ARCH_DAVINCI_DA8XX |
104 | static struct resource da8xx_usb20_resources[] = { |
105 | { |
106 | .start = DA8XX_USB0_BASE, |
107 | .end = DA8XX_USB0_BASE + SZ_64K - 1, |
108 | .flags = IORESOURCE_MEM, |
109 | }, |
110 | { |
111 | .start = IRQ_DA8XX_USB_INT, |
112 | .flags = IORESOURCE_IRQ, |
113 | }, |
114 | }; |
115 | |
116 | int __init da8xx_register_usb20(unsigned mA, unsigned potpgt) |
117 | { |
118 | usb_data.clock = "usb20"; |
119 | usb_data.power = mA > 510 ? 255 : mA / 2; |
120 | usb_data.potpgt = (potpgt + 1) / 2; |
121 | |
122 | usb_dev.resource = da8xx_usb20_resources; |
123 | usb_dev.num_resources = ARRAY_SIZE(da8xx_usb20_resources); |
124 | |
125 | return platform_device_register(&usb_dev); |
126 | } |
127 | #endif /* CONFIG_DAVINCI_DA8XX */ |
128 | |
129 | #else |
130 | |
131 | void __init davinci_setup_usb(unsigned mA, unsigned potpgt_ms) |
132 | { |
133 | } |
134 | |
135 | #ifdef CONFIG_ARCH_DAVINCI_DA8XX |
136 | int __init da8xx_register_usb20(unsigned mA, unsigned potpgt) |
137 | { |
138 | return 0; |
139 | } |
140 | #endif |
141 | |
142 | #endif /* CONFIG_USB_MUSB_HDRC */ |
143 | |
144 | #ifdef CONFIG_ARCH_DAVINCI_DA8XX |
145 | static struct resource da8xx_usb11_resources[] = { |
146 | [0] = { |
147 | .start = DA8XX_USB1_BASE, |
148 | .end = DA8XX_USB1_BASE + SZ_4K - 1, |
149 | .flags = IORESOURCE_MEM, |
150 | }, |
151 | [1] = { |
152 | .start = IRQ_DA8XX_IRQN, |
153 | .end = IRQ_DA8XX_IRQN, |
154 | .flags = IORESOURCE_IRQ, |
155 | }, |
156 | }; |
157 | |
158 | static u64 da8xx_usb11_dma_mask = DMA_BIT_MASK(32); |
159 | |
160 | static struct platform_device da8xx_usb11_device = { |
161 | .name = "ohci", |
162 | .id = 0, |
163 | .dev = { |
164 | .dma_mask = &da8xx_usb11_dma_mask, |
165 | .coherent_dma_mask = DMA_BIT_MASK(32), |
166 | }, |
167 | .num_resources = ARRAY_SIZE(da8xx_usb11_resources), |
168 | .resource = da8xx_usb11_resources, |
169 | }; |
170 | |
171 | int __init da8xx_register_usb11(struct da8xx_ohci_root_hub *pdata) |
172 | { |
173 | da8xx_usb11_device.dev.platform_data = pdata; |
174 | return platform_device_register(&da8xx_usb11_device); |
175 | } |
176 | #endif /* CONFIG_DAVINCI_DA8XX */ |
177 |
Branches:
ben-wpan
ben-wpan-stefan
javiroman/ks7010
jz-2.6.34
jz-2.6.34-rc5
jz-2.6.34-rc6
jz-2.6.34-rc7
jz-2.6.35
jz-2.6.36
jz-2.6.37
jz-2.6.38
jz-2.6.39
jz-3.0
jz-3.1
jz-3.11
jz-3.12
jz-3.13
jz-3.15
jz-3.16
jz-3.18-dt
jz-3.2
jz-3.3
jz-3.4
jz-3.5
jz-3.6
jz-3.6-rc2-pwm
jz-3.9
jz-3.9-clk
jz-3.9-rc8
jz47xx
jz47xx-2.6.38
master
Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9