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Commit | Line | Data |
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c157d8e2 SR |
1 | /*USB 1.1,2.0 device*/ |
2 | ||
3 | #include <common.h> | |
4 | #include <asm/processor.h> | |
5 | ||
3a1ed1e1 | 6 | #if (defined(CONFIG_440EP) || defined(CONFIG_440EPX)) && defined(CONFIG_CMD_USB) |
c157d8e2 SR |
7 | |
8 | #include <usb.h> | |
4fb25a3d | 9 | #include <asm/ppc4xx-uic.h> |
c157d8e2 | 10 | #include "usbdev.h" |
c157d8e2 SR |
11 | |
12 | #define USB_DT_DEVICE 0x01 | |
13 | #define USB_DT_CONFIG 0x02 | |
14 | #define USB_DT_STRING 0x03 | |
15 | #define USB_DT_INTERFACE 0x04 | |
16 | #define USB_DT_ENDPOINT 0x05 | |
17 | ||
c04a76e6 | 18 | int set_value = -1; |
c157d8e2 SR |
19 | |
20 | void process_endpoints(unsigned short usb2d0_intrin) | |
21 | { | |
22 | /*will hold the packet received */ | |
23 | struct usb_device_descriptor usb_device_packet; | |
8f8bd565 | 24 | struct usb_configuration_descriptor usb_config_packet; |
c157d8e2 SR |
25 | struct usb_string_descriptor usb_string_packet; |
26 | struct devrequest setup_packet; | |
27 | unsigned int *setup_packet_pt; | |
c04a76e6 | 28 | unsigned char *packet_pt = NULL; |
c157d8e2 SR |
29 | int temp, temp1; |
30 | ||
31 | int i; | |
32 | ||
33 | /*printf("{USB device} - endpoint 0x%X \n", usb2d0_intrin); */ | |
34 | ||
35 | /*set usb address, seems to not work unless it is done in the next | |
36 | interrupt, so that is why it is done this way */ | |
37 | if (set_value != -1) | |
c04a76e6 | 38 | *(unsigned char *)USB2D0_FADDR_8 = (unsigned char)set_value; |
c157d8e2 SR |
39 | |
40 | /*endpoint 1 */ | |
41 | if (usb2d0_intrin & 0x01) { | |
42 | setup_packet_pt = (unsigned int *)&setup_packet; | |
43 | ||
44 | /*copy packet */ | |
45 | setup_packet_pt[0] = *(unsigned int *)USB2D0_FIFO_0; | |
46 | setup_packet_pt[1] = *(unsigned int *)USB2D0_FIFO_0; | |
47 | temp = *(unsigned int *)USB2D0_FIFO_0; | |
48 | temp1 = *(unsigned int *)USB2D0_FIFO_0; | |
49 | ||
50 | /*do some swapping */ | |
51 | setup_packet.value = swap_16(setup_packet.value); | |
52 | setup_packet.index = swap_16(setup_packet.index); | |
53 | setup_packet.length = swap_16(setup_packet.length); | |
54 | ||
55 | /*clear rx packet */ | |
56 | *(unsigned short *)USB2D0_INCSR0_8 = 0x48; | |
57 | ||
58 | /*printf("0x%X 0x%X 0x%X 0x%X 0x%X 0x%X 0x%X\n", setup_packet.requesttype, | |
59 | setup_packet.request, setup_packet.value, | |
60 | setup_packet.index, setup_packet.length, temp, temp1 ); */ | |
61 | ||
62 | switch (setup_packet.request) { | |
63 | case USB_REQ_GET_DESCRIPTOR: | |
64 | ||
65 | switch (setup_packet.value >> 8) { | |
66 | case USB_DT_DEVICE: | |
67 | /*create packet */ | |
68 | usb_device_packet.bLength = 18; | |
69 | usb_device_packet.bDescriptorType = | |
70 | USB_DT_DEVICE; | |
71 | #ifdef USB_2_0_DEVICE | |
72 | usb_device_packet.bcdUSB = swap_16(0x200); | |
73 | #else | |
74 | usb_device_packet.bcdUSB = swap_16(0x110); | |
75 | #endif | |
76 | usb_device_packet.bDeviceClass = 0xff; | |
77 | usb_device_packet.bDeviceSubClass = 0; | |
78 | usb_device_packet.bDeviceProtocol = 0; | |
79 | usb_device_packet.bMaxPacketSize0 = 32; | |
80 | usb_device_packet.idVendor = swap_16(1); | |
81 | usb_device_packet.idProduct = swap_16(2); | |
82 | usb_device_packet.bcdDevice = swap_16(0x300); | |
83 | usb_device_packet.iManufacturer = 1; | |
84 | usb_device_packet.iProduct = 1; | |
85 | usb_device_packet.iSerialNumber = 1; | |
86 | usb_device_packet.bNumConfigurations = 1; | |
87 | ||
88 | /*put packet in fifo */ | |
89 | packet_pt = (unsigned char *)&usb_device_packet; | |
90 | break; | |
91 | ||
92 | case USB_DT_CONFIG: | |
93 | /*create packet */ | |
94 | usb_config_packet.bLength = 9; | |
95 | usb_config_packet.bDescriptorType = | |
96 | USB_DT_CONFIG; | |
97 | usb_config_packet.wTotalLength = swap_16(25); | |
98 | usb_config_packet.bNumInterfaces = 1; | |
99 | usb_config_packet.bConfigurationValue = 1; | |
100 | usb_config_packet.iConfiguration = 0; | |
101 | usb_config_packet.bmAttributes = 0x40; | |
8f8bd565 | 102 | usb_config_packet.bMaxPower = 0; |
c157d8e2 SR |
103 | |
104 | /*put packet in fifo */ | |
105 | packet_pt = (unsigned char *)&usb_config_packet; | |
106 | break; | |
107 | ||
108 | case USB_DT_STRING: | |
109 | /*create packet */ | |
110 | usb_string_packet.bLength = 2; | |
111 | usb_string_packet.bDescriptorType = | |
112 | USB_DT_STRING; | |
113 | usb_string_packet.wData[0] = 0x0094; | |
114 | ||
115 | /*put packet in fifo */ | |
116 | packet_pt = (unsigned char *)&usb_string_packet; | |
117 | break; | |
118 | } | |
119 | ||
120 | /*put packet in fifo */ | |
121 | for (i = 0; i < (setup_packet.length); i++) { | |
122 | *(unsigned char *)USB2D0_FIFO_0 = packet_pt[i]; | |
123 | } | |
124 | ||
125 | /*give tx command */ | |
126 | *(unsigned short *)USB2D0_INCSR0_8 = 0x0a; | |
127 | ||
128 | break; | |
129 | ||
130 | case USB_REQ_SET_ADDRESS: | |
131 | ||
132 | /*copy usb address */ | |
133 | set_value = setup_packet.value; | |
134 | ||
135 | break; | |
136 | } | |
137 | ||
138 | } | |
139 | } | |
140 | ||
141 | void process_other(unsigned char usb2d0_intrusb) | |
142 | { | |
143 | ||
144 | /*check for sof */ | |
145 | if (usb2d0_intrusb & 0x08) { | |
146 | /*printf("{USB device} - sof detected\n"); */ | |
147 | } | |
148 | ||
149 | /*check for reset */ | |
150 | if (usb2d0_intrusb & 0x04) { | |
151 | /*printf("{USB device} - reset detected\n"); */ | |
152 | ||
153 | /*copy usb address of zero, need to do this when usb reset */ | |
154 | set_value = 0; | |
155 | } | |
156 | ||
157 | if (usb2d0_intrusb & 0x02) { | |
158 | /*printf("{USB device} - resume detected\n"); */ | |
159 | } | |
160 | ||
161 | if (usb2d0_intrusb & 0x01) { | |
162 | /*printf("{USB device} - suspend detected\n"); */ | |
163 | } | |
164 | } | |
165 | ||
166 | int usbInt(void) | |
167 | { | |
168 | /*Must read these 2 registers and use values to clear interrupts. If you | |
169 | do not read them then the interrupt will not be cleared. If you do not | |
170 | use the variable the optimizer will not do a read. */ | |
171 | volatile unsigned short usb2d0_intrin = | |
172 | *(unsigned short *)USB2D0_INTRIN_16; | |
173 | volatile unsigned char usb2d0_intrusb = | |
174 | *(unsigned char *)USB2D0_INTRUSB_8; | |
175 | ||
176 | /*check if there was an endpoint interrupt */ | |
177 | if (usb2d0_intrin != 0) { | |
178 | process_endpoints(usb2d0_intrin); | |
179 | } | |
180 | ||
181 | /*check for other interrupts */ | |
182 | if (usb2d0_intrusb != 0) { | |
183 | process_other(usb2d0_intrusb); | |
184 | } | |
185 | ||
186 | return 0; | |
187 | } | |
188 | ||
887e2ec9 SR |
189 | #if defined(CONFIG_440EPX) |
190 | void usb_dev_init() | |
191 | { | |
192 | printf("USB 2.0 Device init\n"); | |
193 | ||
194 | /*usb dev init */ | |
195 | *(unsigned char *)USB2D0_POWER_8 = 0xa1; /* 2.0 */ | |
196 | ||
197 | /*enable interrupts */ | |
198 | *(unsigned char *)USB2D0_INTRUSBE_8 = 0x0f; | |
199 | ||
d1631fe1 | 200 | irq_install_handler(VECNUM_USBDEV, (interrupt_handler_t *) usbInt, |
887e2ec9 SR |
201 | NULL); |
202 | } | |
203 | #else | |
c157d8e2 SR |
204 | void usb_dev_init() |
205 | { | |
206 | #ifdef USB_2_0_DEVICE | |
207 | printf("USB 2.0 Device init\n"); | |
208 | /*select 2.0 device */ | |
d1c3b275 | 209 | mtsdr(SDR0_USB0, 0x0); /* 2.0 */ |
c157d8e2 SR |
210 | |
211 | /*usb dev init */ | |
212 | *(unsigned char *)USB2D0_POWER_8 = 0xa1; /* 2.0 */ | |
213 | #else | |
214 | printf("USB 1.1 Device init\n"); | |
215 | /*select 1.1 device */ | |
d1c3b275 | 216 | mtsdr(SDR0_USB0, 0x2); /* 1.1 */ |
c157d8e2 SR |
217 | |
218 | /*usb dev init */ | |
219 | *(unsigned char *)USB2D0_POWER_8 = 0xc0; /* 1.1 */ | |
220 | #endif | |
221 | ||
222 | /*enable interrupts */ | |
223 | *(unsigned char *)USB2D0_INTRUSBE_8 = 0x0f; | |
224 | ||
225 | irq_install_handler(VECNUM_USBDEV, (interrupt_handler_t *) usbInt, | |
226 | NULL); | |
227 | } | |
887e2ec9 | 228 | #endif |
c157d8e2 | 229 | |
887e2ec9 | 230 | #endif /* CONFIG_440EP || CONFIG_440EPX */ |