git.sur5r.net Git - u-boot/blob - arch/arm/include/asm/arch-rockchip/f_rockusb.h

   1 /*
   2  * (C) Copyright 2017
   3  *
   4  * Eddie Cai <eddie.cai.linux@gmail.com>
   5  *
   6  * SPDX-License-Identifier:     GPL-2.0+
   7  */
   8
   9 #ifndef _F_ROCKUSB_H_
  10 #define _F_ROCKUSB_H_
  11 #include <blk.h>
  12
  13 #define ROCKUSB_VERSION         "0.1"
  14
  15 #define ROCKUSB_INTERFACE_CLASS 0xff
  16 #define ROCKUSB_INTERFACE_SUB_CLASS     0x06
  17 #define ROCKUSB_INTERFACE_PROTOCOL      0x05
  18
  19 #define RX_ENDPOINT_MAXIMUM_PACKET_SIZE_2_0  0x0200
  20 #define RX_ENDPOINT_MAXIMUM_PACKET_SIZE_1_1  0x0040
  21 #define TX_ENDPOINT_MAXIMUM_PACKET_SIZE      0x0040
  22
  23 #define EP_BUFFER_SIZE                  4096
  24 /*
  25  * EP_BUFFER_SIZE must always be an integral multiple of maxpacket size
  26  * (64 or 512 or 1024), else we break on certain controllers like DWC3
  27  * that expect bulk OUT requests to be divisible by maxpacket size.
  28  */
  29
  30 #define RKUSB_BUF_SIZE          EP_BUFFER_SIZE * 2
  31
  32 #define RKUSB_STATUS_IDLE                       0
  33 #define RKUSB_STATUS_CMD                        1
  34 #define RKUSB_STATUS_RXDATA                     2
  35 #define RKUSB_STATUS_TXDATA                     3
  36 #define RKUSB_STATUS_CSW                        4
  37 #define RKUSB_STATUS_RXDATA_PREPARE             5
  38 #define RKUSB_STATUS_TXDATA_PREPARE             6
  39
  40 enum rkusb_command {
  41 K_FW_TEST_UNIT_READY    = 0x00,
  42 K_FW_READ_FLASH_ID = 0x01,
  43 K_FW_SET_DEVICE_ID = 0x02,
  44 K_FW_TEST_BAD_BLOCK = 0x03,
  45 K_FW_READ_10 = 0x04,
  46 K_FW_WRITE_10 = 0x05,
  47 K_FW_ERASE_10 = 0x06,
  48 K_FW_WRITE_SPARE = 0x07,
  49 K_FW_READ_SPARE = 0x08,
  50
  51 K_FW_ERASE_10_FORCE = 0x0b,
  52 K_FW_GET_VERSION = 0x0c,
  53
  54 K_FW_LBA_READ_10 = 0x14,
  55 K_FW_LBA_WRITE_10 = 0x15,
  56 K_FW_ERASE_SYS_DISK = 0x16,
  57 K_FW_SDRAM_READ_10 = 0x17,
  58 K_FW_SDRAM_WRITE_10 = 0x18,
  59 K_FW_SDRAM_EXECUTE = 0x19,
  60 K_FW_READ_FLASH_INFO = 0x1A,
  61 K_FW_GET_CHIP_VER = 0x1B,
  62 K_FW_LOW_FORMAT = 0x1C,
  63 K_FW_SET_RESET_FLAG = 0x1E,
  64 K_FW_SPI_READ_10 = 0x21,
  65 K_FW_SPI_WRITE_10 = 0x22,
  66
  67 K_FW_SESSION = 0X30,
  68 K_FW_RESET = 0xff,
  69 };
  70
  71 #define CBW_DIRECTION_OUT               0x00
  72 #define CBW_DIRECTION_IN                0x80
  73
  74 struct cmd_dispatch_info {
  75         enum rkusb_command cmd;
  76         /* call back function to handle rockusb command */
  77         void (*cb)(struct usb_ep *ep, struct usb_request *req);
  78 };
  79
  80 /* Bulk-only data structures */
  81
  82 /* Command Block Wrapper */
  83 struct fsg_bulk_cb_wrap {
  84         __le32  signature;              /* Contains 'USBC' */
  85         u32     tag;                    /* Unique per command id */
  86         __le32  data_transfer_length;   /* Size of the data */
  87         u8      flags;                  /* Direction in bit 7 */
  88         u8      lun;                    /* lun (normally 0) */
  89         u8      length;                 /* Of the CDB, <= MAX_COMMAND_SIZE */
  90         u8      CDB[16];                /* Command Data Block */
  91 };
  92
  93 #define USB_BULK_CB_WRAP_LEN    31
  94 #define USB_BULK_CB_SIG         0x43425355      /* Spells out USBC */
  95 #define USB_BULK_IN_FLAG        0x80
  96
  97 /* Command status Wrapper */
  98 struct bulk_cs_wrap {
  99         __le32  signature;              /* Should = 'USBS' */
 100         u32     tag;                    /* Same as original command */
 101         __le32  residue;                /* Amount not transferred */
 102         u8      status;                 /* See below */
 103 };
 104
 105 #define USB_BULK_CS_WRAP_LEN    13
 106 #define USB_BULK_CS_SIG         0x53425355      /* Spells out 'USBS' */
 107 #define USB_STATUS_PASS         0
 108 #define USB_STATUS_FAIL         1
 109 #define USB_STATUS_PHASE_ERROR  2
 110
 111 #define CSW_GOOD                0x00
 112 #define CSW_FAIL                0x01
 113
 114 struct f_rockusb {
 115         struct usb_function usb_function;
 116         struct usb_ep *in_ep, *out_ep;
 117         struct usb_request *in_req, *out_req;
 118         char *dev_type;
 119         unsigned int dev_index;
 120         unsigned int tag;
 121         unsigned int lba;
 122         unsigned int dl_size;
 123         unsigned int dl_bytes;
 124         struct blk_desc *desc;
 125         int reboot_flag;
 126         void *buf;
 127         void *buf_head;
 128 };
 129
 130 /* init rockusb device, tell rockusb which device you want to read/write*/
 131 void rockusb_dev_init(char *dev_type, int dev_index);
 132 #endif /* _F_ROCKUSB_H_ */
 133