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 extern void usb_core_init (void);
  63 /*----------------------------------------------------------------------------*
  64 **                         Local Function Prototype                           *
  65 **---------------------------------------------------------------------------*/
  66
  67 void usb_write (unsigned char *write_buf,  unsigned int write_len);
  68 void usb_init (unsigned long ext_clk26M);
  69
  70 #if !(defined( CONFIG_SC8830) || defined(CONFIG_SC9630))
  71 static void SetPllClock (void)
  72 {
  73     uint32 clk;
  74     clk = * (volatile uint32 *) (AHB_ARM_CLK);
  75     clk &= ~ ( (3 << 23) | (7 << 4) | (7));
  76     clk |= ( (1 << 23) | (1 << 4) | (0));
  77
  78     * (volatile uint32 *) (AHB_ARM_CLK) = clk;
  79 }
  80 #endif
  81 /*****************************************************************************/
  82 //  Description:
  83 //    Global resource dependence:
  84 //  Author:         Daniel.Ding
  85 //    Note:
  86 /*****************************************************************************/
  87 void usb_init (unsigned long ext_clk26M)
  88 {
  89 #if !(defined( CONFIG_SC8830) || defined(CONFIG_SC9630))
  90 #if (!defined(_LITTLE_ENDIAN) && !defined(CHIP_ENDIAN_LITTLE))
  91     *(volatile uint32 *)AHB_CONTROL_REG3 |= USB_S_HBIGENDIAN;    //master AHB interface: Big Endian
  92 #else
  93     *(volatile uint32 *)AHB_CONTROL_REG3 &= ~USB_S_HBIGENDIAN;    //master AHB interface: Little Endian
  94 #endif
  95 #endif
  96
  97     *(volatile uint32 *)AHB_CTRL0 |= USBD_EN;  // usbd enable
  98     usb_core_init();
  99 }
 100 /*****************************************************************************/
 101 //  Description:
 102 //    Global resource dependence:
 103 //  Author:         Daniel.Ding
 104 //    Note:
 105 /*****************************************************************************/
 106 void usb_boot (uint32 ext_clk26M)
 107 {
 108     usb_init (ext_clk26M);
 109 }
 110 void usb_varinit (void)
 111 {
 112     usb_init (0);
 113 }
 114 /*****************************************************************************/
 115 //  Description:
 116 //    Global resource dependence:
 117 //  Author:
 118 //    Note:
 119 /*****************************************************************************/
 120 PUBLIC void usb_ldo_enable (BOOLEAN is_usb_ldo_enabled)
 121 {
 122     volatile unsigned long usb_ldo = 0;
 123
 124     // usb_ldo  = *(volatile unsigned long *)(GLOBAL_CTL_LDO);
 125
 126     if (is_usb_ldo_enabled)
 127     {
 128         usb_ldo &= ~ (BIT_10);
 129         usb_ldo |= (BIT_11);
 130     }
 131     else
 132     {
 133         usb_ldo |= (BIT_10);
 134         usb_ldo &= ~ (BIT_11);
 135     }
 136
 137     //*(volatile unsigned long *)(GLOBAL_CTL_LDO) = usb_ldo;
 138
 139     return;
 140 }
 141 /*****************************************************************************/
 142 //  Description:
 143 //    Global resource dependence:
 144 //  Author:         Daniel.Ding
 145 //    Note:
 146 /*****************************************************************************/
 147 void usb_write (unsigned char *write_buf,unsigned int write_len)
 148 {
 149     memcpy (s_usb_snd_buff, write_buf, write_len);
 150     USB_EPxSendData (USB_EP5 , (unsigned int *) s_usb_snd_buff, write_len);
 151 }
 152 extern char VCOM_GetChar (void);
 153 extern int VCOM_GetSingleChar (void);
 154 extern int VCOM_Read(unsigned char *buf, unsigned int len);
 155
 156 static int FDL_UsbOpen (struct FDL_ChannelHandler  *channel, unsigned int baudrate)
 157 {
 158     return 0;
 159 }
 160 static int FDL_UsbRead (struct FDL_ChannelHandler  *channel, unsigned char *buf, unsigned int len)
 161 {
 162     return VCOM_Read(buf, len);
 163 }
 164 static char FDL_UsbGetChar (struct FDL_ChannelHandler  *channel)
 165 {
 166     return VCOM_GetChar();
 167 }
 168 static int FDL_UsbGetSingleChar (struct FDL_ChannelHandler  *channel)
 169 {
 170     return VCOM_GetSingleChar();
 171 }
 172 static int FDL_UsbWrite (struct FDL_ChannelHandler  *channel, const unsigned char *buf, unsigned int len)
 173 {
 174     usb_write ( (unsigned char *) buf, len);
 175     return 0;
 176 }
 177
 178 static int FDL_UsbPutChar (struct FDL_ChannelHandler  *channel, const unsigned char ch)
 179 {
 180     s_usb_snd_buff[0] = ch;
 181     //int data = ch;
 182     USB_EPxSendData (USB_EP3 , (unsigned int *) &s_usb_snd_buff, 1);
 183     return 0;
 184 }
 185
 186 static int FDL_UsbSetBaudrate (struct FDL_ChannelHandler  *channel,  unsigned int baudrate)
 187 {
 188     return 0;
 189 }
 190 static int FDL_UsbClose (struct FDL_ChannelHandler  *channel)
 191 {
 192     return 0;
 193 }
 194 struct FDL_ChannelHandler gUSBChannel =
 195 {
 196     FDL_UsbOpen,
 197     FDL_UsbRead,
 198     FDL_UsbGetChar,
 199     FDL_UsbGetSingleChar,
 200     FDL_UsbWrite,
 201     FDL_UsbPutChar,
 202     FDL_UsbSetBaudrate,
 203     FDL_UsbClose,
 204     0
 205 };
 206
 207 /**---------------------------------------------------------------------------*
 208 **                         Compiler Flag                                      *
 209 **---------------------------------------------------------------------------*/
 210 #ifdef   __cplusplus
 211 }
 212 #endif