Commit | Line | Data |
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cece6e5a DB |
1 | /* |
2 | * USB | |
3 | */ | |
cece6e5a DB |
4 | #include <linux/init.h> |
5 | #include <linux/platform_device.h> | |
6 | #include <linux/dma-mapping.h> | |
7 | ||
8 | #include <linux/usb/musb.h> | |
cece6e5a DB |
9 | |
10 | #include <mach/common.h> | |
d0e58ae7 | 11 | #include <mach/irqs.h> |
efd91181 | 12 | #include <mach/cputype.h> |
215a084d | 13 | #include <mach/da8xx.h> |
ec2a0833 | 14 | #include <linux/platform_data/usb-davinci.h> |
cece6e5a | 15 | |
e5d3d252 | 16 | #define DAVINCI_USB_OTG_BASE 0x01c64000 |
b0ea26e1 SS |
17 | |
18 | #define DA8XX_USB0_BASE 0x01e00000 | |
e5d3d252 | 19 | #define DA8XX_USB1_BASE 0x01e25000 |
f5c122da | 20 | |
a0a56db9 | 21 | #if IS_ENABLED(CONFIG_USB_MUSB_HDRC) |
cece6e5a DB |
22 | static struct musb_hdrc_eps_bits musb_eps[] = { |
23 | { "ep1_tx", 8, }, | |
24 | { "ep1_rx", 8, }, | |
25 | { "ep2_tx", 8, }, | |
26 | { "ep2_rx", 8, }, | |
27 | { "ep3_tx", 5, }, | |
28 | { "ep3_rx", 5, }, | |
29 | { "ep4_tx", 5, }, | |
30 | { "ep4_rx", 5, }, | |
31 | }; | |
32 | ||
33 | static struct musb_hdrc_config musb_config = { | |
34 | .multipoint = true, | |
35 | .dyn_fifo = true, | |
36 | .soft_con = true, | |
37 | .dma = true, | |
38 | ||
39 | .num_eps = 5, | |
40 | .dma_channels = 8, | |
41 | .ram_bits = 10, | |
42 | .eps_bits = musb_eps, | |
43 | }; | |
44 | ||
45 | static struct musb_hdrc_platform_data usb_data = { | |
cece6e5a DB |
46 | /* OTG requires a Mini-AB connector */ |
47 | .mode = MUSB_OTG, | |
34f32c97 | 48 | .clock = "usb", |
cece6e5a DB |
49 | .config = &musb_config, |
50 | }; | |
51 | ||
52 | static struct resource usb_resources[] = { | |
53 | { | |
54 | /* physical address */ | |
55 | .start = DAVINCI_USB_OTG_BASE, | |
56 | .end = DAVINCI_USB_OTG_BASE + 0x5ff, | |
57 | .flags = IORESOURCE_MEM, | |
58 | }, | |
59 | { | |
60 | .start = IRQ_USBINT, | |
61 | .flags = IORESOURCE_IRQ, | |
fcf173e4 | 62 | .name = "mc" |
cece6e5a | 63 | }, |
efd91181 SS |
64 | { |
65 | /* placeholder for the dedicated CPPI IRQ */ | |
66 | .flags = IORESOURCE_IRQ, | |
fcf173e4 | 67 | .name = "dma" |
efd91181 | 68 | }, |
cece6e5a DB |
69 | }; |
70 | ||
284901a9 | 71 | static u64 usb_dmamask = DMA_BIT_MASK(32); |
cece6e5a DB |
72 | |
73 | static struct platform_device usb_dev = { | |
73b089b0 | 74 | .name = "musb-davinci", |
cece6e5a DB |
75 | .id = -1, |
76 | .dev = { | |
77 | .platform_data = &usb_data, | |
78 | .dma_mask = &usb_dmamask, | |
284901a9 | 79 | .coherent_dma_mask = DMA_BIT_MASK(32), |
cece6e5a DB |
80 | }, |
81 | .resource = usb_resources, | |
82 | .num_resources = ARRAY_SIZE(usb_resources), | |
83 | }; | |
84 | ||
355fb4e3 | 85 | void __init davinci_setup_usb(unsigned mA, unsigned potpgt_ms) |
cece6e5a | 86 | { |
355fb4e3 SS |
87 | usb_data.power = mA > 510 ? 255 : mA / 2; |
88 | usb_data.potpgt = (potpgt_ms + 1) / 2; | |
efd91181 SS |
89 | |
90 | if (cpu_is_davinci_dm646x()) { | |
91 | /* Override the defaults as DM6467 uses different IRQs. */ | |
92 | usb_dev.resource[1].start = IRQ_DM646X_USBINT; | |
93 | usb_dev.resource[2].start = IRQ_DM646X_USBDMAINT; | |
94 | } else /* other devices don't have dedicated CPPI IRQ */ | |
95 | usb_dev.num_resources = 2; | |
96 | ||
cece6e5a DB |
97 | platform_device_register(&usb_dev); |
98 | } | |
99 | ||
b0ea26e1 SS |
100 | #ifdef CONFIG_ARCH_DAVINCI_DA8XX |
101 | static struct resource da8xx_usb20_resources[] = { | |
102 | { | |
103 | .start = DA8XX_USB0_BASE, | |
104 | .end = DA8XX_USB0_BASE + SZ_64K - 1, | |
105 | .flags = IORESOURCE_MEM, | |
106 | }, | |
107 | { | |
108 | .start = IRQ_DA8XX_USB_INT, | |
109 | .flags = IORESOURCE_IRQ, | |
5a166f4f | 110 | .name = "mc", |
b0ea26e1 SS |
111 | }, |
112 | }; | |
113 | ||
114 | int __init da8xx_register_usb20(unsigned mA, unsigned potpgt) | |
115 | { | |
116 | usb_data.clock = "usb20"; | |
117 | usb_data.power = mA > 510 ? 255 : mA / 2; | |
118 | usb_data.potpgt = (potpgt + 1) / 2; | |
119 | ||
120 | usb_dev.resource = da8xx_usb20_resources; | |
121 | usb_dev.num_resources = ARRAY_SIZE(da8xx_usb20_resources); | |
8ceae51e | 122 | usb_dev.name = "musb-da8xx"; |
b0ea26e1 SS |
123 | |
124 | return platform_device_register(&usb_dev); | |
125 | } | |
126 | #endif /* CONFIG_DAVINCI_DA8XX */ | |
127 | ||
cece6e5a DB |
128 | #else |
129 | ||
355fb4e3 | 130 | void __init davinci_setup_usb(unsigned mA, unsigned potpgt_ms) |
cece6e5a DB |
131 | { |
132 | } | |
133 | ||
b0ea26e1 SS |
134 | #ifdef CONFIG_ARCH_DAVINCI_DA8XX |
135 | int __init da8xx_register_usb20(unsigned mA, unsigned potpgt) | |
136 | { | |
137 | return 0; | |
138 | } | |
139 | #endif | |
140 | ||
cece6e5a DB |
141 | #endif /* CONFIG_USB_MUSB_HDRC */ |
142 | ||
e5d3d252 SS |
143 | #ifdef CONFIG_ARCH_DAVINCI_DA8XX |
144 | static struct resource da8xx_usb11_resources[] = { | |
145 | [0] = { | |
146 | .start = DA8XX_USB1_BASE, | |
147 | .end = DA8XX_USB1_BASE + SZ_4K - 1, | |
148 | .flags = IORESOURCE_MEM, | |
149 | }, | |
150 | [1] = { | |
151 | .start = IRQ_DA8XX_IRQN, | |
152 | .end = IRQ_DA8XX_IRQN, | |
153 | .flags = IORESOURCE_IRQ, | |
154 | }, | |
155 | }; | |
156 | ||
157 | static u64 da8xx_usb11_dma_mask = DMA_BIT_MASK(32); | |
158 | ||
159 | static struct platform_device da8xx_usb11_device = { | |
160 | .name = "ohci", | |
161 | .id = 0, | |
162 | .dev = { | |
163 | .dma_mask = &da8xx_usb11_dma_mask, | |
164 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
165 | }, | |
166 | .num_resources = ARRAY_SIZE(da8xx_usb11_resources), | |
167 | .resource = da8xx_usb11_resources, | |
168 | }; | |
169 | ||
170 | int __init da8xx_register_usb11(struct da8xx_ohci_root_hub *pdata) | |
171 | { | |
172 | da8xx_usb11_device.dev.platform_data = pdata; | |
173 | return platform_device_register(&da8xx_usb11_device); | |
174 | } | |
175 | #endif /* CONFIG_DAVINCI_DA8XX */ |