Stefan Roese | 326c971 | 2005-08-01 16:41:48 +0200 | [diff] [blame] | 1 | /*USB 1.1,2.0 device*/ |
| 2 | |
| 3 | #include <common.h> |
| 4 | #include <asm/processor.h> |
| 5 | |
Jon Loeliger | a521774 | 2007-07-09 18:57:22 -0500 | [diff] [blame] | 6 | #if (defined(CONFIG_440EP) || defined(CONFIG_440EPX)) && defined(CONFIG_CMD_USB) |
Stefan Roese | 326c971 | 2005-08-01 16:41:48 +0200 | [diff] [blame] | 7 | |
| 8 | #include <usb.h> |
Stefan Roese | 41b1746 | 2008-06-25 10:59:22 +0200 | [diff] [blame] | 9 | #include <asm/ppc4xx-uic.h> |
Stefan Roese | 326c971 | 2005-08-01 16:41:48 +0200 | [diff] [blame] | 10 | #include "usbdev.h" |
Stefan Roese | 326c971 | 2005-08-01 16:41:48 +0200 | [diff] [blame] | 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 | |
Wolfgang Denk | 58550cc | 2005-08-06 00:11:50 +0200 | [diff] [blame] | 18 | int set_value = -1; |
Stefan Roese | 326c971 | 2005-08-01 16:41:48 +0200 | [diff] [blame] | 19 | |
| 20 | void process_endpoints(unsigned short usb2d0_intrin) |
| 21 | { |
| 22 | /*will hold the packet received */ |
| 23 | struct usb_device_descriptor usb_device_packet; |
| 24 | struct usb_config_descriptor usb_config_packet; |
| 25 | struct usb_string_descriptor usb_string_packet; |
| 26 | struct devrequest setup_packet; |
| 27 | unsigned int *setup_packet_pt; |
Wolfgang Denk | 58550cc | 2005-08-06 00:11:50 +0200 | [diff] [blame] | 28 | unsigned char *packet_pt = NULL; |
Stefan Roese | 326c971 | 2005-08-01 16:41:48 +0200 | [diff] [blame] | 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) |
Wolfgang Denk | 58550cc | 2005-08-06 00:11:50 +0200 | [diff] [blame] | 38 | *(unsigned char *)USB2D0_FADDR_8 = (unsigned char)set_value; |
Stefan Roese | 326c971 | 2005-08-01 16:41:48 +0200 | [diff] [blame] | 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; |
| 102 | usb_config_packet.MaxPower = 0; |
| 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 | |
Stefan Roese | 42fbddd | 2006-09-07 11:51:23 +0200 | [diff] [blame] | 189 | #if defined(CONFIG_440EPX) |
Stefan Roese | 326c971 | 2005-08-01 16:41:48 +0200 | [diff] [blame] | 190 | void usb_dev_init() |
| 191 | { |
Stefan Roese | 42fbddd | 2006-09-07 11:51:23 +0200 | [diff] [blame] | 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 | |
Stefan Roese | 01edcea | 2008-06-26 13:40:57 +0200 | [diff] [blame] | 200 | irq_install_handler(VECNUM_USBDEV, (interrupt_handler_t *) usbInt, |
Stefan Roese | 42fbddd | 2006-09-07 11:51:23 +0200 | [diff] [blame] | 201 | NULL); |
| 202 | } |
| 203 | #else |
| 204 | void usb_dev_init() |
| 205 | { |
Stefan Roese | 326c971 | 2005-08-01 16:41:48 +0200 | [diff] [blame] | 206 | #ifdef USB_2_0_DEVICE |
| 207 | printf("USB 2.0 Device init\n"); |
| 208 | /*select 2.0 device */ |
| 209 | mtsdr(sdr_usb0, 0x0); /* 2.0 */ |
| 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 */ |
| 216 | mtsdr(sdr_usb0, 0x2); /* 1.1 */ |
| 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 | } |
Stefan Roese | 42fbddd | 2006-09-07 11:51:23 +0200 | [diff] [blame] | 228 | #endif |
Stefan Roese | 326c971 | 2005-08-01 16:41:48 +0200 | [diff] [blame] | 229 | |
Stefan Roese | 42fbddd | 2006-09-07 11:51:23 +0200 | [diff] [blame] | 230 | #endif /* CONFIG_440EP || CONFIG_440EPX */ |