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/bsp/at91/at91sam9260/drivers/
A Dat91_nand.c89 uint8_t idx, reg1, reg2, reg3, tmp1, tmp2; in nand_calculate_ecc() local
93 reg1 = reg2 = reg3 = 0; in nand_calculate_ecc()
105 reg3 ^= (uint8_t) i; in nand_calculate_ecc()
111 tmp1 = (reg3 & 0x80) >> 0; /* B7 -> B7 */ in nand_calculate_ecc()
113 tmp1 |= (reg3 & 0x40) >> 1; /* B6 -> B5 */ in nand_calculate_ecc()
115 tmp1 |= (reg3 & 0x20) >> 2; /* B5 -> B3 */ in nand_calculate_ecc()
117 tmp1 |= (reg3 & 0x10) >> 3; /* B4 -> B1 */ in nand_calculate_ecc()
120 tmp2 = (reg3 & 0x08) << 4; /* B3 -> B7 */ in nand_calculate_ecc()
122 tmp2 |= (reg3 & 0x04) << 3; /* B2 -> B5 */ in nand_calculate_ecc()
124 tmp2 |= (reg3 & 0x02) << 2; /* B1 -> B3 */ in nand_calculate_ecc()
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