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【u-boot-2010.06】SDIO0 TF卡初始化兼容性问题
两种tf卡,A和B,都是金士顿16G class 10的。
A卡初始化为低速卡
=========================================
EMMC/MMC/SD controller initialization.
CMD41 send:0x40300000
CMD41 response:0xc0ff8000
mmc scr:0x858082
Device is not exit !
MMC/SD Card:
MID: 0x9f
Read Block: 512 Bytes
Write Block: 512 Bytes
Chip Size: 14832M Bytes (High Capacity)
Name: "SD16G"
Chip Type: SD
Version: 1.0
Speed: 25000000Hz
Bus Width: 1bit
Boot Addr: 0 Bytes
In: serial
Out: serial
Err: serial
A卡初始化为低速卡
=========================================
EMMC/MMC/SD controller initialization.
CMD41 send:0x40300000
CMD41 response:0xc0ff8000
mmc scr:0x2058083
Device is not exit !
MMC/SD Card:
MID: 0x9f
Read Block: 512 Bytes
Write Block: 512 Bytes
Chip Size: 14760M Bytes (High Capacity)
Name: "SD16G"
Chip Type: SD
Version: 2.0
Speed: 50000000Hz
Bus Width: 4bit
Boot Addr: 0 Bytes
In: serial
Out: serial
Err: serial
日志打印,A卡初始化异常,是因为sd_send_op_cond (CMD55 + 41) 导致。SD卡不是专业,求助高手。
A卡初始化为低速卡
=========================================
EMMC/MMC/SD controller initialization.
CMD41 send:0x40300000
CMD41 response:0xc0ff8000
mmc scr:0x858082
Device is not exit !
MMC/SD Card:
MID: 0x9f
Read Block: 512 Bytes
Write Block: 512 Bytes
Chip Size: 14832M Bytes (High Capacity)
Name: "SD16G"
Chip Type: SD
Version: 1.0
Speed: 25000000Hz
Bus Width: 1bit
Boot Addr: 0 Bytes
In: serial
Out: serial
Err: serial
A卡初始化为低速卡
=========================================
EMMC/MMC/SD controller initialization.
CMD41 send:0x40300000
CMD41 response:0xc0ff8000
mmc scr:0x2058083
Device is not exit !
MMC/SD Card:
MID: 0x9f
Read Block: 512 Bytes
Write Block: 512 Bytes
Chip Size: 14760M Bytes (High Capacity)
Name: "SD16G"
Chip Type: SD
Version: 2.0
Speed: 50000000Hz
Bus Width: 4bit
Boot Addr: 0 Bytes
In: serial
Out: serial
Err: serial
日志打印,A卡初始化异常,是因为sd_send_op_cond (CMD55 + 41) 导致。SD卡不是专业,求助高手。
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