diff options
Diffstat (limited to 'package/uboot-xburst/files/cpu/mips/usb_boot.S')
| -rw-r--r-- | package/uboot-xburst/files/cpu/mips/usb_boot.S | 880 |
1 files changed, 880 insertions, 0 deletions
diff --git a/package/uboot-xburst/files/cpu/mips/usb_boot.S b/package/uboot-xburst/files/cpu/mips/usb_boot.S new file mode 100644 index 0000000000..107b928c71 --- /dev/null +++ b/package/uboot-xburst/files/cpu/mips/usb_boot.S @@ -0,0 +1,880 @@ +/* + * for jz4740 usb boot + * + * Copyright (c) 2009 Xiangfu Liu <xiangfu.z@gmail.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + .set noreorder + .globl usb_boot + .text + +//---------------------------------------------------------------------- +// Both NAND and USB boot load data to D-Cache first, then transfer +// data from D-Cache to I-Cache, and jump to execute the code in I-Cache. +// So init caches first and then dispatch to a proper boot routine. +//---------------------------------------------------------------------- + +.macro load_addr reg addr + li \reg, 0x80000000 + addiu \reg, \reg, \addr + la $2, usbboot_begin + subu \reg, \reg, $2 +.endm + +usb_boot: + //-------------------------------------------------------------- + // Initialize PLL: set ICLK to 84MHz and HCLK to 42MHz. + //-------------------------------------------------------------- + la $9, 0xB0000000 // CPCCR: Clock Control Register + la $8, 0x42041110 // I:S:M:P=1:2:2:2 + sw $8, 0($9) + + la $9, 0xB0000010 // CPPCR: PLL Control Register + la $8, 0x06000120 // M=12 N=0 D=0 CLK=12*(M+2)/(N+2) + sw $8, 0($9) + + mtc0 $0, $26 // CP0_ERRCTL, restore WST reset state + nop + + mtc0 $0, $16 // CP0_CONFIG + nop + + // Relocate code to beginning of the ram + + la $2, usbboot_begin + la $3, usbboot_end + li $4, 0x80000000 + +1: + lw $5, 0($2) + sw $5, 0($4) + addiu $2, $2, 4 + bne $2, $3, 1b + addiu $4, $4, 4 + + li $2, 0x80000000 + ori $3, $2, 0 + addiu $3, $3, usbboot_end + la $4, usbboot_begin + subu $3, $3, $4 + + +2: + cache 0x0, 0($2) // Index_Invalidate_I + cache 0x1, 0($2) // Index_Writeback_Inv_D + addiu $2, $2, 32 + subu $4, $3, $2 + bgtz $4, 2b + nop + + load_addr $3, usb_boot_return + + jr $3 + +usbboot_begin: + +init_caches: + li $2, 3 // cacheable for kseg0 access + mtc0 $2, $16 // CP0_CONFIG + nop + + li $2, 0x20000000 // enable idx-store-data cache insn + mtc0 $2, $26 // CP0_ERRCTL + + ori $2, $28, 0 // start address + ori $3, $2, 0x3fe0 // end address, total 16KB + mtc0 $0, $28, 0 // CP0_TAGLO + mtc0 $0, $28, 1 // CP0_DATALO +cache_clear_a_line: + cache 0x8, 0($2) // Index_Store_Tag_I + cache 0x9, 0($2) // Index_Store_Tag_D + bne $2, $3, cache_clear_a_line + addiu $2, $2, 32 // increment CACHE_LINE_SIZE + + ori $2, $28, 0 // start address + ori $3, $2, 0x3fe0 // end address, total 16KB + la $4, 0x1ffff000 // physical address and 4KB page mask +cache_alloc_a_line: + and $5, $2, $4 + ori $5, $5, 1 // V bit of the physical tag + mtc0 $5, $28, 0 // CP0_TAGLO + cache 0x8, 0($2) // Index_Store_Tag_I + cache 0x9, 0($2) // Index_Store_Tag_D + bne $2, $3, cache_alloc_a_line + addiu $2, $2, 32 // increment CACHE_LINE_SIZE + + nop + nop + nop + //-------------------------------------------------------------- + // Transfer data from dcache to icache, then jump to icache. + // + // Input parameters: + // + // $19: data length in bytes + // $20: jump target address + //-------------------------------------------------------------- +xfer_d2i: + + ori $8, $20, 0 + addu $9, $8, $19 // total 16KB + +1: + cache 0x0, 0($8) // Index_Invalidate_I + cache 0x1, 0($8) // Index_Writeback_Inv_D + bne $8, $9, 1b + addiu $8, $8, 32 + + // flush write-buffer + sync + + // Invalidate BTB + mfc0 $8, $16, 7 // CP0_CONFIG + nop + ori $8, 2 + mtc0 $8, $16, 7 + nop + + // Overwrite config to disable ram initalisation + li $2, 0xff + sb $2, 20($20) + + jalr $20 + nop + +icache_return: + //-------------------------------------------------------------- + // User code can return to here after executing itself in + // icache, by jumping to $31. + //-------------------------------------------------------------- + b usb_boot_return + nop + + +usb_boot_return: + //-------------------------------------------------------------- + // Enable the USB PHY + //-------------------------------------------------------------- + la $9, 0xB0000024 // CPM_SCR + lw $8, 0($9) + ori $8, 0x40 // USBPHY_ENABLE + sw $8, 0($9) + + //-------------------------------------------------------------- + // Initialize USB registers + //-------------------------------------------------------------- + la $27, 0xb3040000 // USB registers base address + + sb $0, 0x0b($27) // INTRUSBE: disable common USB interrupts + sh $0, 0x06($27) // INTRINE: disable EPIN interrutps + sh $0, 0x08($27) // INTROUTE: disable EPOUT interrutps + + li $9, 0x61 + sb $9, 0x01($27) // POWER: HSENAB | SUSPENDM | SOFTCONN + + //-------------------------------------------------------------- + // Initialize USB states + //-------------------------------------------------------------- + li $22, 0 // set EP0 to IDLE state + li $23, 1 // no data stage + + //-------------------------------------------------------------- + // Main loop of polling the usb commands + //-------------------------------------------------------------- +usb_command_loop: + lbu $9, 0x0a($27) // read INTRUSB + andi $9, 0x04 // check USB_INTR_RESET + beqz $9, check_intr_ep0in + nop + + //-------------------------------------------------------------- + // 1. Handle USB reset interrupt + //-------------------------------------------------------------- +handle_reset_intr: + lbu $9, 0x01($27) // read POWER + andi $9, 0x10 // test HS_MODE + bnez $9, _usb_set_maxpktsize + li $9, 512 // max packet size of HS mode + li $9, 64 // max packet size of FS mode + +_usb_set_maxpktsize: + li $8, 1 + sb $8, 0x0e($27) // set INDEX 1 + + sh $9, 0x10($27) // INMAXP + sb $0, 0x13($27) // INCSRH + sh $9, 0x14($27) // OUTMAXP + sb $0, 0x17($27) // OUTCSRH + +_usb_flush_fifo: + li $8, 0x48 // INCSR_CDT && INCSR_FF + sb $8, 0x12($27) // INCSR + li $8, 0x90 // OUTCSR_CDT && OUTCSR_FF + sb $8, 0x16($27) // OUTCSR + + li $22, 0 // set EP0 to IDLE state + li $23, 1 // no data stage + + //-------------------------------------------------------------- + // 2. Check and handle EP0 interrupt + //-------------------------------------------------------------- +check_intr_ep0in: + lhu $10, 0x02($27) // read INTRIN + andi $9, $10, 0x1 // check EP0 interrupt + beqz $9, check_intr_ep1in + nop + +handle_ep0_intr: + sb $0, 0x0e($27) // set INDEX 0 + lbu $11, 0x12($27) // read CSR0 + + andi $9, $11, 0x04 // check SENTSTALL + beqz $9, _ep0_setupend + nop + +_ep0_sentstall: + andi $9, $11, 0xdb + sb $9, 0x12($27) // clear SENDSTALL and SENTSTALL + li $22, 0 // set EP0 to IDLE state + +_ep0_setupend: + andi $9, $11, 0x10 // check SETUPEND + beqz $9, ep0_idle_state + nop + + ori $9, $11, 0x80 + sb $9, 0x12($27) // set SVDSETUPEND + li $22, 0 // set EP0 to IDLE state + +ep0_idle_state: + bnez $22, ep0_tx_state + nop + + //-------------------------------------------------------------- + // 2.1 Handle EP0 IDLE state interrupt + //-------------------------------------------------------------- + andi $9, $11, 0x01 // check OUTPKTRDY + beqz $9, check_intr_ep1in + nop + + //-------------------------------------------------------------- + // Read 8-bytes setup packet from the FIFO + //-------------------------------------------------------------- + lw $25, 0x20($27) // first word of setup packet + lw $26, 0x20($27) // second word of setup packet + + andi $9, $25, 0x60 // bRequestType & USB_TYPE_MASK + beqz $9, _ep0_std_req + nop + + //-------------------------------------------------------------- + // 2.1.1 Vendor-specific setup request + //-------------------------------------------------------------- +_ep0_vend_req: + li $22, 0 // set EP0 to IDLE state + li $23, 1 // NoData = 1 + + andi $9, $25, 0xff00 // check bRequest + srl $9, $9, 8 + beqz $9, __ep0_get_cpu_info + sub $8, $9, 0x1 + beqz $8, __ep0_set_data_address + sub $8, $9, 0x2 + beqz $8, __ep0_set_data_length + sub $8, $9, 0x3 + beqz $8, __ep0_flush_caches + sub $8, $9, 0x4 + beqz $8, __ep0_prog_start1 + sub $8, $9, 0x5 + beqz $8, __ep0_prog_start2 + nop + b _ep0_idle_state_fini // invalid request + nop + +__ep0_get_cpu_info: + load_addr $20, cpu_info_data // data pointer to transfer + li $21, 8 // bytes left to transfer + li $22, 1 // set EP0 to TX state + li $23, 0 // NoData = 0 + + b _ep0_idle_state_fini + nop + +__ep0_set_data_address: + li $9, 0xffff0000 + and $9, $25, $9 + andi $8, $26, 0xffff + or $20, $9, $8 // data address of next transfer + + b _ep0_idle_state_fini + nop + +__ep0_set_data_length: + li $9, 0xffff0000 + and $9, $25, $9 + andi $8, $26, 0xffff + or $21, $9, $8 // data length of next transfer + + li $9, 0x48 // SVDOUTPKTRDY and DATAEND + sb $9, 0x12($27) // CSR0 + + // We must write packet to FIFO before EP1-IN interrupt here. + b handle_epin1_intr + nop + +__ep0_flush_caches: + // Flush dcache and invalidate icache. + li $8, 0x80000000 + addi $9, $8, 0x3fe0 // total 16KB + +1: + cache 0x0, 0($8) // Index_Invalidate_I + cache 0x1, 0($8) // Index_Writeback_Inv_D + bne $8, $9, 1b + addiu $8, $8, 32 + + // flush write-buffer + sync + + // Invalidate BTB + mfc0 $8, $16, 7 // CP0_CONFIG + nop + ori $8, 2 + mtc0 $8, $16, 7 + nop + + b _ep0_idle_state_fini + nop + +__ep0_prog_start1: + li $9, 0x48 // SVDOUTPKTRDY and DATAEND + sb $9, 0x12($27) // CSR0 + + li $9, 0xffff0000 + and $9, $25, $9 + andi $8, $26, 0xffff + or $20, $9, $8 // target address + + b xfer_d2i + li $19, 0x2000 // 16KB data length + +__ep0_prog_start2: + li $9, 0x48 // SVDOUTPKTRDY and DATAEND + sb $9, 0x12($27) // CSR0 + + li $9, 0xffff0000 + and $9, $25, $9 + andi $8, $26, 0xffff + or $20, $9, $8 // target address + + jalr $20 // jump, and place the return address in $31 + nop + +__ep0_prog_start2_return: + // User code can return to here after executing itself, by jumping to $31. + b usb_boot_return + nop + + //-------------------------------------------------------------- + // 2.1.2 Standard setup request + //-------------------------------------------------------------- +_ep0_std_req: + andi $12, $25, 0xff00 // check bRequest + srl $12, $12, 8 + sub $9, $12, 0x05 // check USB_REQ_SET_ADDRESS + bnez $9, __ep0_req_set_config + nop + + //-------------------------------------------------------------- + // Handle USB_REQ_SET_ADDRESS + //-------------------------------------------------------------- +__ep0_req_set_addr: + srl $9, $25, 16 // get wValue + sb $9, 0x0($27) // set FADDR + li $23, 1 // NoData = 1 + b _ep0_idle_state_fini + nop + +__ep0_req_set_config: + sub $9, $12, 0x09 // check USB_REQ_SET_CONFIGURATION + bnez $9, __ep0_req_get_desc + nop + + //-------------------------------------------------------------- + // Handle USB_REQ_SET_CONFIGURATION + //-------------------------------------------------------------- + li $23, 1 // NoData = 1 + b _ep0_idle_state_fini + nop + +__ep0_req_get_desc: + sub $9, $12, 0x06 // check USB_REQ_GET_DESCRIPTOR + bnez $9, _ep0_idle_state_fini + li $23, 1 // NoData = 1 + + //-------------------------------------------------------------- + // Handle USB_REQ_GET_DESCRIPTOR + //-------------------------------------------------------------- + li $23, 0 // NoData = 0 + + srl $9, $25, 24 // wValue >> 8 + sub $8, $9, 0x01 // check USB_DT_DEVICE + beqz $8, ___ep0_get_dev_desc + srl $21, $26, 16 // get wLength + sub $8, $9, 0x02 // check USB_DT_CONFIG + beqz $8, ___ep0_get_conf_desc + sub $8, $9, 0x03 // check USB_DT_STRING + beqz $8, ___ep0_get_string_desc + sub $8, $9, 0x06 // check USB_DT_DEVICE_QUALIFIER + beqz $8, ___ep0_get_dev_qualifier + nop + b _ep0_idle_state_fini + nop + +___ep0_get_dev_desc: + load_addr $20, device_desc // data pointer + li $22, 1 // set EP0 to TX state + sub $8, $21, 18 + blez $8, _ep0_idle_state_fini // wLength <= 18 + nop + li $21, 18 // max length of device_desc + b _ep0_idle_state_fini + nop + +___ep0_get_dev_qualifier: + load_addr $20, dev_qualifier // data pointer + li $22, 1 // set EP0 to TX state + sub $8, $21, 10 + blez $8, _ep0_idle_state_fini // wLength <= 10 + nop + li $21, 10 // max length of dev_qualifier + b _ep0_idle_state_fini + nop + +___ep0_get_conf_desc: + load_addr $20, config_desc_fs // data pointer of FS mode + lbu $8, 0x01($27) // read POWER + andi $8, 0x10 // test HS_MODE + beqz $8, ___ep0_get_conf_desc2 + nop + load_addr $20, config_desc_hs // data pointer of HS mode + +___ep0_get_conf_desc2: + li $22, 1 // set EP0 to TX state + sub $8, $21, 32 + blez $8, _ep0_idle_state_fini // wLength <= 32 + nop + li $21, 32 // max length of config_desc + b _ep0_idle_state_fini + nop + +___ep0_get_string_desc: + li $22, 1 // set EP0 to TX state + + srl $9, $25, 16 // wValue & 0xff + andi $9, 0xff + + sub $8, $9, 1 + beqz $8, ___ep0_get_string_manufacture + sub $8, $9, 2 + beqz $8, ___ep0_get_string_product + nop + +___ep0_get_string_lang_ids: + load_addr $20, string_lang_ids // data pointer + b _ep0_idle_state_fini + li $21, 4 // data length + +___ep0_get_string_manufacture: + load_addr $20, string_manufacture // data pointer + b _ep0_idle_state_fini + li $21, 16 // data length + +___ep0_get_string_product: + load_addr $20, string_product // data pointer + b _ep0_idle_state_fini + li $21, 46 // data length + +_ep0_idle_state_fini: + li $9, 0x40 // SVDOUTPKTRDY + beqz $23, _ep0_idle_state_fini2 + nop + ori $9, $9, 0x08 // DATAEND +_ep0_idle_state_fini2: + sb $9, 0x12($27) // CSR0 + beqz $22, check_intr_ep1in + nop + + //-------------------------------------------------------------- + // 2.2 Handle EP0 TX state interrupt + //-------------------------------------------------------------- +ep0_tx_state: + sub $9, $22, 1 + bnez $9, check_intr_ep1in + nop + + sub $9, $21, 64 // max packetsize + blez $9, _ep0_tx_state2 // data count <= 64 + ori $19, $21, 0 + li $19, 64 + +_ep0_tx_state2: + beqz $19, _ep0_tx_state3 // send ZLP + ori $18, $19, 0 // record bytes to be transferred + sub $21, $21, $19 // decrement data count + +_ep0_fifo_write_loop: + lbu $9, 0($20) // read data + sb $9, 0x20($27) // load FIFO + sub $19, $19, 1 // decrement counter + bnez $19, _ep0_fifo_write_loop + addi $20, $20, 1 // increment data pointer + + sub $9, $18, 64 // max packetsize + beqz $9, _ep0_tx_state4 + nop + +_ep0_tx_state3: + // transferred bytes < max packetsize + li $9, 0x0a // set INPKTRDY and DATAEND + sb $9, 0x12($27) // CSR0 + li $22, 0 // set EP0 to IDLE state + b check_intr_ep1in + nop + +_ep0_tx_state4: + // transferred bytes == max packetsize + li $9, 0x02 // set INPKTRDY + sb $9, 0x12($27) // CSR0 + b check_intr_ep1in + nop + + //-------------------------------------------------------------- + // 3. Check and handle EP1 BULK-IN interrupt + //-------------------------------------------------------------- +check_intr_ep1in: + andi $9, $10, 0x2 // check EP1 IN interrupt + beqz $9, check_intr_ep1out + nop + +handle_epin1_intr: + li $9, 1 + sb $9, 0x0e($27) // set INDEX 1 + lbu $9, 0x12($27) // read INCSR + + andi $8, $9, 0x2 // check INCSR_FFNOTEMPT + bnez $8, _epin1_tx_state4 + nop + +_epin1_write_fifo: + lhu $9, 0x10($27) // get INMAXP + sub $8, $21, $9 + blez $8, _epin1_tx_state1 // bytes left <= INMAXP + ori $19, $21, 0 + ori $19, $9, 0 + +_epin1_tx_state1: + beqz $19, _epin1_tx_state4 // No data + nop + + sub $21, $21, $19 // decrement data count + + srl $5, $19, 2 // # of word + andi $6, $19, 0x3 // # of byte + beqz $5, _epin1_tx_state2 + nop + +_epin1_fifo_write_word: + lw $9, 0($20) // read data from source address + sw $9, 0x24($27) // write FIFO + sub $5, $5, 1 // decrement counter + bnez $5, _epin1_fifo_write_word + addiu $20, $20, 4 // increment dest address + +_epin1_tx_state2: + beqz $6, _epin1_tx_state3 + nop + +_epin1_fifo_write_byte: + lbu $9, 0($20) // read data from source address + sb $9, 0x24($27) // write FIFO + sub $6, $6, 1 // decrement counter + bnez $6, _epin1_fifo_write_byte + addiu $20, $20, 1 // increment dest address + +_epin1_tx_state3: + li $9, 0x1 + sb $9, 0x12($27) // INCSR, set INPKTRDY + +_epin1_tx_state4: + // nop + + //-------------------------------------------------------------- + // 4. Check and handle EP1 BULK-OUT interrupt + //-------------------------------------------------------------- +check_intr_ep1out: + lhu $9, 0x04($27) // read INTROUT + andi $9, 0x2 + beqz $9, check_status_next + nop + +handle_epout1_intr: + li $9, 1 + sb $9, 0x0e($27) // set INDEX 1 + + lbu $9, 0x16($27) // read OUTCSR + andi $9, 0x1 // check OUTPKTRDY + beqz $9, check_status_next + nop + +_epout1_read_fifo: + lhu $19, 0x18($27) // read OUTCOUNT + srl $5, $19, 2 // # of word + andi $6, $19, 0x3 // # of byte + beqz $5, _epout1_rx_state1 + nop + +_epout1_fifo_read_word: + lw $9, 0x24($27) // read FIFO + sw $9, 0($20) // store to dest address + sub $5, $5, 1 // decrement counter + bnez $5, _epout1_fifo_read_word + addiu $20, $20, 4 // increment dest address + +_epout1_rx_state1: + beqz $6, _epout1_rx_state2 + nop + +_epout1_fifo_read_byte: + lbu $9, 0x24($27) // read FIFO + sb $9, 0($20) // store to dest address + sub $6, $6, 1 // decrement counter + bnez $6, _epout1_fifo_read_byte + addiu $20, $20, 1 // increment dest address + +_epout1_rx_state2: + sb $0, 0x16($27) // clear OUTPKTRDY + +check_status_next: + b usb_command_loop + nop + +//-------------------------------------------------------------- +// Device/Configuration/Interface/Endpoint/String Descriptors +//-------------------------------------------------------------- + + .align 2 +device_desc: + .byte 0x12 // bLength + .byte 0x01 // bDescriptorType + .byte 0x00 // bcdUSB + .byte 0x02 // bcdUSB + .byte 0x00 // bDeviceClass + .byte 0x00 // bDeviceSubClass + .byte 0x00 // bDeviceProtocol + .byte 0x40 // bMaxPacketSize0 + .byte 0x1a // idVendor + .byte 0x60 // idVendor + .byte 0x40 // idProduct + .byte 0x47 // idProduct + .byte 0x00 // bcdDevice + .byte 0x01 // bcdDevice + .byte 0x01 // iManufacturer + .byte 0x02 // iProduct + .byte 0x00 // iSerialNumber + .byte 0x01 // bNumConfigurations + + .align 2 +dev_qualifier: + .byte 0x0a // bLength + .byte 0x06 // bDescriptorType + .byte 0x00 // bcdUSB + .byte 0x02 // bcdUSB + .byte 0x00 // bDeviceClass + .byte 0x00 // bDeviceSubClass + .byte 0x00 // bDeviceProtocol + .byte 0x40 // bMaxPacketSize0 + .byte 0x01 // bNumConfigurations + .byte 0x00 // bRESERVED + + .align 2 +config_desc_hs: + .byte 0x09 // bLength + .byte 0x02 // bDescriptorType + .byte 0x20 // wTotalLength + .byte 0x00 // wTotalLength + .byte 0x01 // bNumInterfaces + .byte 0x01 // bConfigurationValue + .byte 0x00 // iConfiguration + .byte 0xc0 // bmAttributes + .byte 0x01 // MaxPower +intf_desc_hs: + .byte 0x09 // bLength + .byte 0x04 // bDescriptorType + .byte 0x00 // bInterfaceNumber + .byte 0x00 // bAlternateSetting + .byte 0x02 // bNumEndpoints + .byte 0xff // bInterfaceClass + .byte 0x00 // bInterfaceSubClass + .byte 0x50 // bInterfaceProtocol + .byte 0x00 // iInterface +ep1_desc_hs: + .byte 0x07 // bLength + .byte 0x05 // bDescriptorType + .byte 0x01 // bEndpointAddress + .byte 0x02 // bmAttributes + .byte 0x00 // wMaxPacketSize + .byte 0x02 // wMaxPacketSize + .byte 0x00 // bInterval +ep2_desc_hs: + .byte 0x07 // bLength + .byte 0x05 // bDescriptorType + .byte 0x81 // bEndpointAddress + .byte 0x02 // bmAttributes + .byte 0x00 // wMaxPacketSize + .byte 0x02 // wMaxPacketSize + .byte 0x00 // bInterval + + .align 2 +config_desc_fs: + .byte 0x09 // bLength + .byte 0x02 // bDescriptorType + .byte 0x20 // wTotalLength + .byte 0x00 // wTotalLength + .byte 0x01 // bNumInterfaces + .byte 0x01 // bConfigurationValue + .byte 0x00 // iConfiguration + .byte 0xc0 // bmAttributes + .byte 0x01 // MaxPower +intf_desc_fs: + .byte 0x09 // bLength + .byte 0x04 // bDescriptorType + .byte 0x00 // bInterfaceNumber + .byte 0x00 // bAlternateSetting + .byte 0x02 // bNumEndpoints + .byte 0xff // bInterfaceClass + .byte 0x00 // bInterfaceSubClass + .byte 0x50 // bInterfaceProtocol + .byte 0x00 // iInterface +ep1_desc_fs: + .byte 0x07 // bLength + .byte 0x05 // bDescriptorType + .byte 0x01 // bEndpointAddress + .byte 0x02 // bmAttributes + .byte 0x40 // wMaxPacketSize + .byte 0x00 // wMaxPacketSize + .byte 0x00 // bInterval +ep2_desc_fs: + .byte 0x07 // bLength + .byte 0x05 // bDescriptorType + .byte 0x81 // bEndpointAddress + .byte 0x02 // bmAttributes + .byte 0x40 // wMaxPacketSize + .byte 0x00 // wMaxPacketSize + .byte 0x00 // bInterval + + .align 2 +string_lang_ids: + .byte 0x04 + .byte 0x03 + .byte 0x09 + .byte 0x04 + + .align 2 +string_manufacture: + .byte 0x10 + .byte 0x03 + .byte 0x49 + .byte 0x00 + .byte 0x6e + .byte 0x00 + .byte 0x67 + .byte 0x00 + .byte 0x65 + .byte 0x00 + .byte 0x6e + .byte 0x00 + .byte 0x69 + .byte 0x00 + .byte 0x63 + .byte 0x00 + + .align 2 +string_product: + .byte 0x2e + .byte 0x03 + .byte 0x4a + .byte 0x00 + .byte 0x5a + .byte 0x00 + .byte 0x34 + .byte 0x00 + .byte 0x37 + .byte 0x00 + .byte 0x34 + .byte 0x00 + .byte 0x30 + .byte 0x00 + .byte 0x20 + .byte 0x00 + .byte 0x55 + .byte 0x00 + .byte 0x53 + .byte 0x00 + .byte 0x42 + .byte 0x00 + .byte 0x20 + .byte 0x00 + .byte 0x42 + .byte 0x00 + .byte 0x6f + .byte 0x00 + .byte 0x6f + .byte 0x00 + .byte 0x74 + .byte 0x00 + .byte 0x20 + .byte 0x00 + .byte 0x44 + .byte 0x00 + .byte 0x65 + .byte 0x00 + .byte 0x76 + .byte 0x00 + .byte 0x69 + .byte 0x00 + .byte 0x63 + .byte 0x00 + .byte 0x65 + .byte 0x00 + + .align 2 +cpu_info_data: + .byte 0x4a + .byte 0x5a + .byte 0x34 + .byte 0x37 + .byte 0x34 + .byte 0x30 + .byte 0x56 + .byte 0x31 +usbboot_end: + + .set reorder |