关于如何同时使用wince6.0 下S5pv210 的四个SD卡的问题

   topic：关于如何同时使用wince6.0 下S5pv210 的四个SD卡的问题

   作者：gooogleman

   平台：S5pv210 之Sate210

    地址：http://blog.csdn.net/gooogleman/article/details/7623553

     Sate210 核心板引出四个SD卡接口，但是目前底板只放了两个SD卡（SD0和SD2）并能在wince6.0 下正常使用，现在有人问我如何同时使用四个SD卡 ，让wince6.0 驱动支持，我现在来分析一下。

看platform.reg 注册表，

有

IF BSP_NOSDMMC_CH0 !
[HKEY_LOCAL_MACHINE\Drivers\BuiltIn\SDMMC_CH0]
 "InterfaceType"=dword:0                 ; Internal
 "Order"=dword:21
 "Dll"="sdmmc_ch0.dll"
 "Prefix"="HSC"
 "ObjectCreationProc"="CreateSDMMCHCCh0Object"
 "MemBase"=dword:EB000000
 "MemLen"=dword:100
 "Irq"=dword:5E                   ; SDMMC0 Virtual IRQ = 94 (0x5E), Physical IRQ = 58
 ;"BaseClockFrequency"=dword:B71B000      ; 2AEA540->45MHz(EPLL)
 ;"TimeoutClockFrequency"=dword:B71B000   ; 2AEA540->45MHz(EPLL)
 "BaseClockFrequency"=dword:5B8D800      ; 2AEA540->45MHz(EPLL)
 "TimeoutClockFrequency"=dword:5B8D800   ; 2AEA540->45MHz(EPLL)
 "IClass"="{A32942B7-920C-486b-B0E6-92A702A99B35}"   ; Power-manageable generic 
ENDIF BSP_NOSDMMC_CH0 !

IF BSP_NOSDMMC_CH0
IF BSP_NOSDMMC_CH1 !
[HKEY_LOCAL_MACHINE\Drivers\BuiltIn\SDMMC_CH1]
 "InterfaceType"=dword:0                 ; Internal
 "Order"=dword:21
 "Dll"="sdmmc_ch1.dll"
 "Prefix"="HSC"
 "ObjectCreationProc"="CreateSDMMCHCCh1Object"
 "MemBase"=dword:EB100000
 "MemLen"=dword:100
 "Irq"=dword:5F                          ; SDMMC1 Virtual IRQ = 95 (0x5F), Physical IRQ = 59
 ;"BaseClockFrequency"=dword:B71B000      ; 2AEA540->45MHz(EPLL)
 ;"TimeoutClockFrequency"=dword:B71B000   ; 2AEA540->45MHz(EPLL)
  "BaseClockFrequency"=dword:5B8D800      ; 2AEA540->45MHz(EPLL)
 "TimeoutClockFrequency"=dword:5B8D800   ; 2AEA540->45MHz(EPLL)
 "IClass"="{A32942B7-920C-486b-B0E6-92A702A99B35}"   ; Power-manageable generic
ENDIF BSP_NOSDMMC_CH1 !
ENDIF BSP_NOSDMMC_CH0

IF BSP_NOSDMMC_CH2 !
[HKEY_LOCAL_MACHINE\Drivers\BuiltIn\SDMMC_CH2]
 "InterfaceType"=dword:0                 ; Internal
 "Order"=dword:21
 "Dll"="sdmmc_CH2.dll"
 "Prefix"="HSC"
 "ObjectCreationProc"="CreateSDMMCHCCh2Object"
 "MemBase"=dword:EB200000
 "MemLen"=dword:100
 "Irq"=dword:60                   ; SDMMC0 Virtual IRQ = 94 (0x5E), Physical IRQ = 58
 "BaseClockFrequency"=dword:5B8D800      ; 2AEA540->45MHz(EPLL)
 "TimeoutClockFrequency"=dword:5B8D800   ; 2AEA540->45MHz(EPLL)
 "IClass"="{A32942B7-920C-486b-B0E6-92A702A99B35}"   ; Power-manageable generic
ENDIF BSP_NOSDMMC_CH2 !

IF BSP_USE_SDMMC_CH2_8BIT !
IF BSP_NOSDMMC_CH3 !
[HKEY_LOCAL_MACHINE\Drivers\BuiltIn\SDMMC_CH3]
 "InterfaceType"=dword:0                 ; Internal
 "Order"=dword:21
 "Dll"="sdmmc_CH3.dll"
 "Prefix"="HSC"
 "ObjectCreationProc"="CreateSDMMCHCCh3Object"
 "MemBase"=dword:EB300000
 "MemLen"=dword:100
 "Irq"=dword:86                   ; SDMMC0 Virtual IRQ = 94 (0x5E), Physical IRQ = 58
 "BaseClockFrequency"=dword:5B8D800      ; 2AEA540->45MHz(EPLL)
 "TimeoutClockFrequency"=dword:5B8D800   ; 2AEA540->45MHz(EPLL)
 "IClass"="{A32942B7-920C-486b-B0E6-92A702A99B35}"   ; Power-manageable generic
ENDIF BSP_NOSDMMC_CH3 !
ENDIF BSP_USE_SDMMC_CH2_8BIT !

 

再看看BSP_NOSDMMC_CH0，BSP_NOSDMMC_CH1，BSP_NOSDMMC_CH2，BSP_NOSDMMC_CH3 的环境变量设置

在sate210.bat 里面有

set BSP_NOSDMMC_BOOT=1

@REM ----- SD/MMC Driver Configuration  -------------------------
set BSP_NOSDMMC_CH0=         

set BSP_USE_SDMMC_CH0_8BIT=
set BSP_NOSDMMC_CH1=1
set BSP_NOSDMMC_CH2=
set BSP_USE_SDMMC_CH2_8BIT=
set BSP_NOSDMMC_CH3=1
if /i "%BSP_NOSDMMC_BOOT%"=="" set BSP_NOSDMMC_CH0=1

上面配置和注册表的SD配置结合起来，说明 SD0和SD2都是直接可用的，那么要SD1和SD3 也可以用就要这么改——最简单的办法，把注册表的环境变量全部删除，让环境变量不受Sate210.bat 控制。

[HKEY_LOCAL_MACHINE\Drivers\BuiltIn\SDMMC_CH0]
 "InterfaceType"=dword:0                 ; Internal
 "Order"=dword:21
 "Dll"="sdmmc_ch0.dll"
 "Prefix"="HSC"
 "ObjectCreationProc"="CreateSDMMCHCCh0Object"
 "MemBase"=dword:EB000000
 "MemLen"=dword:100
 "Irq"=dword:5E                   ; SDMMC0 Virtual IRQ = 94 (0x5E), Physical IRQ = 58
 ;"BaseClockFrequency"=dword:B71B000      ; 2AEA540->45MHz(EPLL)
 ;"TimeoutClockFrequency"=dword:B71B000   ; 2AEA540->45MHz(EPLL)
 "BaseClockFrequency"=dword:5B8D800      ; 2AEA540->45MHz(EPLL)
 "TimeoutClockFrequency"=dword:5B8D800   ; 2AEA540->45MHz(EPLL)
 "IClass"="{A32942B7-920C-486b-B0E6-92A702A99B35}"   ; Power-manageable generic 

[HKEY_LOCAL_MACHINE\Drivers\BuiltIn\SDMMC_CH1]
 "InterfaceType"=dword:0                 ; Internal
 "Order"=dword:21
 "Dll"="sdmmc_ch1.dll"
 "Prefix"="HSC"
 "ObjectCreationProc"="CreateSDMMCHCCh1Object"
 "MemBase"=dword:EB100000
 "MemLen"=dword:100
 "Irq"=dword:5F                          ; SDMMC1 Virtual IRQ = 95 (0x5F), Physical IRQ = 59
 ;"BaseClockFrequency"=dword:B71B000      ; 2AEA540->45MHz(EPLL)
 ;"TimeoutClockFrequency"=dword:B71B000   ; 2AEA540->45MHz(EPLL)
  "BaseClockFrequency"=dword:5B8D800      ; 2AEA540->45MHz(EPLL)
 "TimeoutClockFrequency"=dword:5B8D800   ; 2AEA540->45MHz(EPLL)
 "IClass"="{A32942B7-920C-486b-B0E6-92A702A99B35}"   ; Power-manageable generic

[HKEY_LOCAL_MACHINE\Drivers\BuiltIn\SDMMC_CH2]
 "InterfaceType"=dword:0                 ; Internal
 "Order"=dword:21
 "Dll"="sdmmc_CH2.dll"
 "Prefix"="HSC"
 "ObjectCreationProc"="CreateSDMMCHCCh2Object"
 "MemBase"=dword:EB200000
 "MemLen"=dword:100
 "Irq"=dword:60                   ; SDMMC0 Virtual IRQ = 94 (0x5E), Physical IRQ = 58
 "BaseClockFrequency"=dword:5B8D800      ; 2AEA540->45MHz(EPLL)
 "TimeoutClockFrequency"=dword:5B8D800   ; 2AEA540->45MHz(EPLL)
 "IClass"="{A32942B7-920C-486b-B0E6-92A702A99B35}"   ; Power-manageable generic

[HKEY_LOCAL_MACHINE\Drivers\BuiltIn\SDMMC_CH3]
 "InterfaceType"=dword:0                 ; Internal
 "Order"=dword:21
 "Dll"="sdmmc_CH3.dll"
 "Prefix"="HSC"
 "ObjectCreationProc"="CreateSDMMCHCCh3Object"
 "MemBase"=dword:EB300000
 "MemLen"=dword:100
 "Irq"=dword:86                   ; SDMMC0 Virtual IRQ = 94 (0x5E), Physical IRQ = 58
 "BaseClockFrequency"=dword:5B8D800      ; 2AEA540->45MHz(EPLL)
 "TimeoutClockFrequency"=dword:5B8D800   ; 2AEA540->45MHz(EPLL)
 "IClass"="{A32942B7-920C-486b-B0E6-92A702A99B35}"   ; Power-manageable generic

在看看 platform.bib  file

;-------- SMDKV210 SDMMC -----------------------------------------------------------------------
IF BSP_NOSDMMC_CH0 !
   sdmmc_ch0.dll  $(_FLATRELEASEDIR)\sdmmc_ch0.dll  NK SHMK
ENDIF BSP_NOSDMMC_CH0 !

IF BSP_NOSDMMC_CH0
IF BSP_NOSDMMC_CH1 !
   sdmmc_ch1.dll  $(_FLATRELEASEDIR)\sdmmc_ch1.dll  NK SHMK
ENDIF BSP_NOSDMMC_CH1 !
ENDIF BSP_NOSDMMC_CH0

IF BSP_NOSDMMC_CH2 !
   sdmmc_ch2.dll  $(_FLATRELEASEDIR)\sdmmc_ch2.dll  NK SHMK
ENDIF BSP_NOSDMMC_CH2 !

IF BSP_USE_SDMMC_CH2_8BIT !
IF BSP_NOSDMMC_CH3 !
   sdmmc_ch3.dll  $(_FLATRELEASEDIR)\sdmmc_ch3.dll  NK SHMK
ENDIF BSP_NOSDMMC_CH3 !
ENDIF BSP_USE_SDMMC_CH2_8BIT !

 

这样也把那些环境变量删除，剩余下面即可

sdmmc_ch0.dll  $(_FLATRELEASEDIR)\sdmmc_ch0.dll  NK SHMK
sdmmc_ch1.dll  $(_FLATRELEASEDIR)\sdmmc_ch1.dll  NK SHMK
sdmmc_ch2.dll  $(_FLATRELEASEDIR)\sdmmc_ch2.dll  NK SHMK

sdmmc_ch3.dll  $(_FLATRELEASEDIR)\sdmmc_ch3.dll  NK SHMK