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sdcard: Updating sector calculation for SDXC.#1052
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The current code only calculates sectors for SDHC, with a max of 32GThe new code will calculate sectors for SDXC, with a max of 2TC_SIZE is 22 bits[69:48] and the high 2 bits of csd[7] are requiredto be 0, currently, so i'm not masking them off.The max value for C_SIZE is 0x3FFEFF, so C_SIZE+1*1024 is a 32-bit number.Signed-off-by: Ben Wynn <bwynn@glowie.com>
will fix issue#1053 |
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The current code only calculates sectors for SDHC, with a max of 32G
The new code will calculate sectors for SDXC, with a max of 2T
C_SIZE is 22 bits[69:48] and the high 2 bits of csd[7] are required
to be 0, currently, so i'm not masking them off.
The max value for C_SIZE is 0x3FFEFF, so C_SIZE+1*1024 is a 32-bit number.