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snapdragon: added MAC generation functions
Add support for generation of unique MAC address that is derived from board serial. Algorithm for generation of MAC taken from LK. Signed-off-by: Ramon Fried <ramon.fried@gmail.com>
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@ -8,5 +8,6 @@
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#define MISC_H
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#define MISC_H
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u32 msm_board_serial(void);
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u32 msm_board_serial(void);
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void msm_generate_mac_addr(u8 *mac);
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#endif
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#endif
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@ -35,3 +35,19 @@ u32 msm_board_serial(void)
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return UNSTUFF_BITS(mmc_dev->cid, 16, 32);
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return UNSTUFF_BITS(mmc_dev->cid, 16, 32);
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}
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}
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void msm_generate_mac_addr(u8 *mac)
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{
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int i;
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char sn[9];
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snprintf(sn, 8, "%08x", msm_board_serial());
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/* fill in the mac with serialno, use locally adminstrated pool */
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mac[0] = 0x02;
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mac[1] = 00;
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for (i = 3; i >= 0; i--) {
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mac[i + 2] = simple_strtoul(&sn[2 * i], NULL, 16);
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sn[2 * i] = 0;
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}
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}
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