drivers/net/wireless/libertas/if_bootcmd.c

   1 /**
   2   * This file contains functions used in USB Boot command
   3   * and Boot2/FW update
   4   */
   5
   6 #include <linux/delay.h>
   7 #include <linux/firmware.h>
   8 #include <linux/netdevice.h>
   9 #include <linux/usb.h>
  10
  11 #define DRV_NAME "usb8xxx"
  12
  13 #include "defs.h"
  14 #include "dev.h"
  15 #include "if_usb.h"
  16
  17 /**
  18  *  @brief This function issues Boot command to the Boot2 code
  19  *  @param ivalue   1:Boot from FW by USB-Download
  20  *                  2:Boot from FW in EEPROM
  21  *  @return             0
  22  */
  23 int if_usb_issue_boot_command(wlan_private *priv, int ivalue)
  24 {
  25         struct usb_card_rec     *cardp = priv->card;
  26         struct bootcmdstr       sbootcmd;
  27         int i;
  28
  29         /* Prepare command */
  30         sbootcmd.u32magicnumber = cpu_to_le32(BOOT_CMD_MAGIC_NUMBER);
  31         sbootcmd.u8cmd_tag = ivalue;
  32         for (i=0; i<11; i++)
  33                 sbootcmd.au8dumy[i]=0x00;
  34         memcpy(cardp->bulk_out_buffer, &sbootcmd, sizeof(struct bootcmdstr));
  35
  36         /* Issue command */
  37         usb_tx_block(priv, cardp->bulk_out_buffer, sizeof(struct bootcmdstr));
  38
  39         return 0;
  40 }