nand_fdl/common/src/usb_boot.c

   1 /******************************************************************************
   2  ** File Name:    usb_boot.c                                                  *
   3  ** Author:       Daniel.Ding                                                 *
   4  ** DATE:         4/25/2005                                                   *
   5  ** Copyright:    2005 Spreatrum, Incoporated. All Rights Reserved.           *
   6  ** Description:                                                              *
   7  *****************************************************************************/
   8 /******************************************************************************
   9  **                   Edit    History                                         *
  10  **---------------------------------------------------------------------------*
  11  ** DATE          NAME            DESCRIPTION                                 *
  12  ** 3/25/2005     Daniel.Ding     Create.                                     *
  13  *****************************************************************************/
  14 /*----------------------------------------------------------------------------*
  15 **                        Dependencies                                        *
  16 **---------------------------------------------------------------------------*/
  17 #include <asm/arch/usb_boot.h>
  18 #include <asm/arch/drv_usb.h>
  19 #include <asm/arch/virtual_com.h>
  20 #include <asm/arch/fdl_crc.h>
  21 #include <asm/arch/fdl_channel.h>
  22 #include <asm/arch/usb20_reg_v3.h>
  23 /**---------------------------------------------------------------------------*
  24 **                        Compiler Flag                                       *
  25 **---------------------------------------------------------------------------*/
  26 #ifdef   __cplusplus
  27 extern   "C"
  28 {
  29 #endif
  30 /*----------------------------------------------------------------------------*
  31 **                            Mcaro Definitions                               *
  32 **---------------------------------------------------------------------------*/
  33 //AHB Register
  34 #if (defined CONFIG_SC8830) || (defined CONFIG_SC9630)
  35 #define AHB_CTRL0                           (0x20D00000)
  36 #ifdef CONFIG_SPX15
  37 #define USBD_EN                             BIT_4
  38 #else
  39 #define USBD_EN                             BIT_5
  40 #endif
  41 #else
  42 #define AHB_CTRL0                           (0x20900200)
  43 #define USBD_EN                             BIT_4
  44 #endif
  45 #define AHB_CONTROL_REG3                    (0x2090020c)
  46 #define CLK_USB_REF_SEL                     BIT_1
  47 #define USB_S_HBIGENDIAN                    BIT_2
  48 #define CLK_USB_REF_EN                      BIT_6
  49 //#define AHB_SOFT_RST                      (0x20900210)
  50 //#define USBPHY_SOFT_RST                       BIT_7
  51 //#define AHB_ARM_CLK                           (0x20900224)
  52
  53 #define USB_BUFF_SIZE  0x4000
  54 /*----------------------------------------------------------------------------*
  55 **                             Data Structures                                *
  56 **---------------------------------------------------------------------------*/
  57
  58 /*--------------------------- Local Data ------------------------------------*/
  59 LOCAL __align(32) uint8 s_usb_snd_buff[USB_BUFF_SIZE];
  60 /*--------------------------- Global Data -----------------------------------*/
  61 /*--------------------------- External Data ---------------------------------*/
  62 /*----------------------------------------------------------------------------*
  63 **                         Local Function Prototype                           *
  64 **---------------------------------------------------------------------------*/
  65
  66 void usb_write (unsigned char *write_buf,  unsigned int write_len);
  67 void usb_init (unsigned long ext_clk26M);
  68
  69 #if !(defined( CONFIG_SC8830) || defined(CONFIG_SC9630))
  70 static void SetPllClock (void)
  71 {
  72     uint32 clk;
  73     clk = * (volatile uint32 *) (AHB_ARM_CLK);
  74     clk &= ~ ( (3 << 23) | (7 << 4) | (7));
  75     clk |= ( (1 << 23) | (1 << 4) | (0));
  76
  77     * (volatile uint32 *) (AHB_ARM_CLK) = clk;
  78 }
  79 #endif
  80 /*****************************************************************************/
  81 //  Description:
  82 //    Global resource dependence:
  83 //  Author:         Daniel.Ding
  84 //    Note:
  85 /*****************************************************************************/
  86 void usb_init (unsigned long ext_clk26M)
  87 {
  88 #if !(defined( CONFIG_SC8830) || defined(CONFIG_SC9630))
  89 #if (!defined(_LITTLE_ENDIAN) && !defined(CHIP_ENDIAN_LITTLE))
  90     *(volatile uint32 *)AHB_CONTROL_REG3 |= USB_S_HBIGENDIAN;    //master AHB interface: Big Endian
  91 #else
  92     *(volatile uint32 *)AHB_CONTROL_REG3 &= ~USB_S_HBIGENDIAN;    //master AHB interface: Little Endian
  93 #endif
  94 #endif
  95
  96     *(volatile uint32 *)AHB_CTRL0 |= USBD_EN;  // usbd enable
  97     usb_core_init();
  98 }
  99 /*****************************************************************************/
 100 //  Description:
 101 //    Global resource dependence:
 102 //  Author:         Daniel.Ding
 103 //    Note:
 104 /*****************************************************************************/
 105 void usb_boot (uint32 ext_clk26M)
 106 {
 107     usb_init (ext_clk26M);
 108 }
 109 void usb_varinit (void)
 110 {
 111     usb_init (0);
 112 }
 113 /*****************************************************************************/
 114 //  Description:
 115 //    Global resource dependence:
 116 //  Author:
 117 //    Note:
 118 /*****************************************************************************/
 119 PUBLIC void usb_ldo_enable (BOOLEAN is_usb_ldo_enabled)
 120 {
 121     volatile unsigned long usb_ldo = 0;
 122
 123     // usb_ldo  = *(volatile unsigned long *)(GLOBAL_CTL_LDO);
 124
 125     if (is_usb_ldo_enabled)
 126     {
 127         usb_ldo &= ~ (BIT_10);
 128         usb_ldo |= (BIT_11);
 129     }
 130     else
 131     {
 132         usb_ldo |= (BIT_10);
 133         usb_ldo &= ~ (BIT_11);
 134     }
 135
 136     //*(volatile unsigned long *)(GLOBAL_CTL_LDO) = usb_ldo;
 137
 138     return;
 139 }
 140 /*****************************************************************************/
 141 //  Description:
 142 //    Global resource dependence:
 143 //  Author:         Daniel.Ding
 144 //    Note:
 145 /*****************************************************************************/
 146 void usb_write (unsigned char *write_buf,unsigned int write_len)
 147 {
 148     memcpy (s_usb_snd_buff, write_buf, write_len);
 149     USB_EPxSendData (USB_EP5 , (unsigned int *) s_usb_snd_buff, write_len);
 150 }
 151 extern char VCOM_GetChar (void);
 152 extern int VCOM_GetSingleChar (void);
 153 extern int VCOM_Read(const unsigned char *buf, unsigned int len);
 154
 155 static int FDL_UsbOpen (struct FDL_ChannelHandler  *channel, unsigned int baudrate)
 156 {
 157     return 0;
 158 }
 159 static int FDL_UsbRead (struct FDL_ChannelHandler  *channel, const unsigned char *buf, unsigned int len)
 160 {
 161     return VCOM_Read(buf, len);
 162 }
 163 static char FDL_UsbGetChar (struct FDL_ChannelHandler  *channel)
 164 {
 165     return VCOM_GetChar();
 166 }
 167 static int FDL_UsbGetSingleChar (struct FDL_ChannelHandler  *channel)
 168 {
 169     return VCOM_GetSingleChar();
 170 }
 171 static int FDL_UsbWrite (struct FDL_ChannelHandler  *channel, const unsigned char *buf, unsigned int len)
 172 {
 173     usb_write ( (unsigned char *) buf, len);
 174     return 0;
 175 }
 176
 177 static int FDL_UsbPutChar (struct FDL_ChannelHandler  *channel, const unsigned char ch)
 178 {
 179     s_usb_snd_buff[0] = ch;
 180     //int data = ch;
 181     USB_EPxSendData (USB_EP3 , (unsigned int *) &s_usb_snd_buff, 1);
 182     return 0;
 183 }
 184
 185 static int FDL_UsbSetBaudrate (struct FDL_ChannelHandler  *channel,  unsigned int baudrate)
 186 {
 187     return 0;
 188 }
 189 static int FDL_UsbClose (struct FDL_ChannelHandler  *channel)
 190 {
 191     return 0;
 192 }
 193 struct FDL_ChannelHandler gUSBChannel =
 194 {
 195     FDL_UsbOpen,
 196     FDL_UsbRead,
 197     FDL_UsbGetChar,
 198     FDL_UsbGetSingleChar,
 199     FDL_UsbWrite,
 200     FDL_UsbPutChar,
 201     FDL_UsbSetBaudrate,
 202     FDL_UsbClose,
 203     0
 204 };
 205
 206 /**---------------------------------------------------------------------------*
 207 **                         Compiler Flag                                      *
 208 **---------------------------------------------------------------------------*/
 209 #ifdef   __cplusplus
 210 }
 211 #endif