contrib/octeon-sdk/cvmx-nand.c

405         cvmx_dprintf("%s: Defaults: page size: %d, OOB size: %d, pages per block %d, blocks: %d, timing mode: %d\n",
746                     cvmx_dprintf("%s: Defaults: page size: %d, OOB size: %d, pages per block %d, part size: %d MBytes, timing mode: %d\n",
977  * This include column bits, padding, page bits, and block bits.
1452  * Erase a NAND block. A single block contains multiple pages.
1664  * Get the number of pages per NAND block
1668  * @return Number of pages in each block or a negative cvmx_nand_status_t error
1742  * @param block  pointer to 256 bytes of data
1745 void cvmx_nand_compute_boot_ecc(unsigned char *block, unsigned char *eccp)
1753 		pd0 ^= (block[i] ^ (block[i] >> 2) ^ (block[i] >> 4) ^ (block[i] >> 6)) & 1;
1755 		pd0 ^= ((block[i] ^ (block[i] >> 1) ^ (block[i] >> 4) ^ (block[i] >> 5)) & 1) << 1;
1757 		pd0 ^= ((block[i] ^ (block[i] >> 1) ^ (block[i] >> 2) ^ (block[i] >> 3)) & 1) << 2;
1759 		pd0 ^= ((block[2*i] ^ (block[2*i] >> 1) ^ (block[2*i] >> 2) ^
1760 			(block[2*i] >> 3) ^ (block[2*i] >> 4) ^ (block[2*i] >> 5) ^
1761 			(block[2*i] >> 6) ^ (block[2*i] >> 7)) & 1) << 3;
1764 			pd0 ^= ((block[4*i+j] ^ (block[4*i+j] >> 1) ^ (block[4*i+j] >> 2) ^
1765 				(block[4*i+j] >> 3) ^ (block[4*i+j] >> 4) ^ (block[4*i+j] >> 5) ^
1766 				(block[4*i+j] >> 6) ^ (block[4*i+j] >> 7)) & 1) << 4;
1769 			pd0 ^= ((block[8*i+j] ^ (block[8*i+j] >> 1) ^ (block[8*i+j] >> 2) ^
1770 				(block[8*i+j] >> 3) ^ (block[8*i+j] >> 4) ^ (block[8*i+j] >> 5) ^
1771 				(block[8*i+j] >> 6) ^ (block[8*i+j] >> 7)) & 1) << 5;
1774 			pd0 ^= ((block[16*i+j] ^ (block[16*i+j] >> 1) ^ (block[16*i+j] >> 2) ^
1775 				(block[16*i+j] >> 3) ^ (block[16*i+j] >> 4) ^ (block[16*i+j] >> 5) ^
1776 				(block[16*i+j] >> 6) ^ (block[16*i+j] >> 7)) & 1) << 6;
1779 			pd0 ^= ((block[32*i+j] ^ (block[32*i+j] >> 1) ^ (block[32*i+j] >> 2) ^
1780 				(block[32*i+j] >> 3) ^ (block[32*i+j] >> 4) ^ (block[32*i+j] >> 5) ^
1781 				(block[32*i+j] >> 6) ^ (block[32*i+j] >> 7)) & 1) << 7;
1784 			pd1 ^= ((block[64*i+j] ^ (block[64*i+j] >> 1) ^ (block[64*i+j] >> 2) ^
1785 				(block[64*i+j] >> 3) ^ (block[64*i+j] >> 4) ^ (block[64*i+j] >> 5) ^
1786 				(block[64*i+j] >> 6) ^ (block[64*i+j] >> 7)) & 1) << 0;
1789 			pd1 ^= ((block[128*i+j] ^ (block[128*i+j] >> 1) ^ (block[128*i+j] >> 2) ^
1790 				(block[128*i+j] >> 3) ^ (block[128*i+j] >> 4) ^ (block[128*i+j] >> 5) ^
1791 				(block[128*i+j] >> 6) ^ (block[128*i+j] >> 7)) & 1) << 1;
1793 		pd1 ^= ((block[i] ^ (block[i] >> 1) ^ (block[i] >> 2) ^
1794 			(block[i] >> 3) ^ (block[i] >> 4) ^ (block[i] >> 5) ^
1795 			(block[i] >> 6) ^ (block[i] >> 7)) & 1) << 2;
1799 		pd1 ^= (((block[i] >> 1) ^ (block[i] >> 3) ^ (block[i] >> 5) ^ (block[i] >> 7)) & 1) << 5;
1801 		pd1 ^= (((block[i] >> 2) ^ (block[i] >> 3) ^ (block[i] >> 6) ^ (block[i] >> 7)) & 1) << 6;
1803 		pd1 ^= (((block[i] >> 4) ^ (block[i] >> 5) ^ (block[i] >> 6) ^ (block[i] >> 7)) & 1) << 7;
1805 		pd2 ^= ((block[2*i+1] ^ (block[2*i+1] >> 1) ^ (block[2*i+1] >> 2) ^
1806 			(block[2*i+1] >> 3) ^ (block[2*i+1] >> 4) ^ (block[2*i+1] >> 5) ^
1807 			(block[2*i+1] >> 6) ^ (block[2*i+1] >> 7)) & 1) << 0;
1810 			pd2 ^= ((block[4*i+j] ^ (block[4*i+j] >> 1) ^ (block[4*i+j] >> 2) ^
1811 				(block[4*i+j] >> 3) ^ (block[4*i+j] >> 4) ^ (block[4*i+j] >> 5) ^
1812 				(block[4*i+j] >> 6) ^ (block[4*i+j] >> 7)) & 1) << 1;
1815 			pd2 ^= ((block[8*i+j] ^ (block[8*i+j] >> 1) ^ (block[8*i+j] >> 2) ^
1816 				(block[8*i+j] >> 3) ^ (block[8*i+j] >> 4) ^ (block[8*i+j] >> 5) ^
1817 				(block[8*i+j] >> 6) ^ (block[8*i+j] >> 7)) & 1) << 2;
1820 			pd2 ^= ((block[16*i+j] ^ (block[16*i+j] >> 1) ^ (block[16*i+j] >> 2) ^
1821 				(block[16*i+j] >> 3) ^ (block[16*i+j] >> 4) ^ (block[16*i+j] >> 5) ^
1822 				(block[16*i+j] >> 6) ^ (block[16*i+j] >> 7)) & 1) << 3;
1825 			pd2 ^= ((block[32*i+j] ^ (block[32*i+j] >> 1) ^ (block[32*i+j] >> 2) ^
1826 				(block[32*i+j] >> 3) ^ (block[32*i+j] >> 4) ^ (block[32*i+j] >> 5) ^
1827 				(block[32*i+j] >> 6) ^ (block[32*i+j] >> 7)) & 1) << 4;
1830 			pd2 ^= ((block[64*i+j] ^ (block[64*i+j] >> 1) ^ (block[64*i+j] >> 2) ^
1831 				(block[64*i+j] >> 3) ^ (block[64*i+j] >> 4) ^ (block[64*i+j] >> 5) ^
1832 				(block[64*i+j] >> 6) ^ (block[64*i+j] >> 7)) & 1) << 5;
1835 			pd2 ^= ((block[128*i+j] ^ (block[128*i+j] >> 1) ^ (block[128*i+j] >> 2) ^
1836 				(block[128*i+j] >> 3) ^ (block[128*i+j] >> 4) ^ (block[128*i+j] >> 5) ^
1837 				(block[128*i+j] >> 6) ^ (block[128*i+j] >> 7)) & 1) << 6;
1839 		pd2 ^= ((block[i] ^ (block[i] >> 1) ^ (block[i] >> 2) ^
1840 			(block[i] >> 3) ^ (block[i] >> 4) ^ (block[i] >> 5) ^
1841 			(block[i] >> 6) ^ (block[i] >> 7)) & 1) << 7;
1849  * Check an Octeon ECC block, fixing errors if possible
1851  * @param block  Pointer to block to check
1853  * @return Zero if block has no errors, one if errors were corrected, two
1856 int cvmx_nand_correct_boot_ecc(uint8_t *block)
1864     asm volatile ("pref 0,0(%0);pref 0,128(%0);pref 0,256(%0)\n" :: "r" (block));
1869         pd0 ^= (block[i] ^ (block[i] >> 2) ^ (block[i] >> 4) ^ (block[i] >> 6)) & 1;
1871         pd0 ^= ((block[i] ^ (block[i] >> 1) ^ (block[i] >> 4) ^ (block[i] >> 5)) & 1) << 1;
1873         pd0 ^= ((block[i] ^ (block[i] >> 1) ^ (block[i] >> 2) ^ (block[i] >> 3)) & 1) << 2;
1875         pd0 ^= ((block[2*i] ^ (block[2*i] >> 1) ^ (block[2*i] >> 2) ^
1876                  (block[2*i] >> 3) ^ (block[2*i] >> 4) ^ (block[2*i] >> 5) ^
1877                  (block[2*i] >> 6) ^ (block[2*i] >> 7)) & 1) << 3;
1880             pd0 ^= ((block[4*i+j] ^ (block[4*i+j] >> 1) ^ (block[4*i+j] >> 2) ^
1881                      (block[4*i+j] >> 3) ^ (block[4*i+j] >> 4) ^ (block[4*i+j] >> 5) ^
1882                      (block[4*i+j] >> 6) ^ (block[4*i+j] >> 7)) & 1) << 4;
1885             pd0 ^= ((block[8*i+j] ^ (block[8*i+j] >> 1) ^ (block[8*i+j] >> 2) ^
1886                      (block[8*i+j] >> 3) ^ (block[8*i+j] >> 4) ^ (block[8*i+j] >> 5) ^
1887                      (block[8*i+j] >> 6) ^ (block[8*i+j] >> 7)) & 1) << 5;
1890             pd0 ^= ((block[16*i+j] ^ (block[16*i+j] >> 1) ^ (block[16*i+j] >> 2) ^
1891                      (block[16*i+j] >> 3) ^ (block[16*i+j] >> 4) ^ (block[16*i+j] >> 5) ^
1892                      (block[16*i+j] >> 6) ^ (block[16*i+j] >> 7)) & 1) << 6;
1895             pd0 ^= ((block[32*i+j] ^ (block[32*i+j] >> 1) ^ (block[32*i+j] >> 2) ^
1896                      (block[32*i+j] >> 3) ^ (block[32*i+j] >> 4) ^ (block[32*i+j] >> 5) ^
1897                      (block[32*i+j] >> 6) ^ (block[32*i+j] >> 7)) & 1) << 7;
1900             pd1 ^= ((block[64*i+j] ^ (block[64*i+j] >> 1) ^ (block[64*i+j] >> 2) ^
1901                      (block[64*i+j] >> 3) ^ (block[64*i+j] >> 4) ^ (block[64*i+j] >> 5) ^
1902                      (block[64*i+j] >> 6) ^ (block[64*i+j] >> 7)) & 1) << 0;
1905             pd1 ^= ((block[128*i+j] ^ (block[128*i+j] >> 1) ^ (block[128*i+j] >> 2) ^
1906                      (block[128*i+j] >> 3) ^ (block[128*i+j] >> 4) ^ (block[128*i+j] >> 5) ^
1907                      (block[128*i+j] >> 6) ^ (block[128*i+j] >> 7)) & 1) << 1;
1909         pd1 ^= ((block[i] ^ (block[i] >> 1) ^ (block[i] >> 2) ^
1910                  (block[i] >> 3) ^ (block[i] >> 4) ^ (block[i] >> 5) ^
1911                  (block[i] >> 6) ^ (block[i] >> 7)) & 1) << 2;
1915         pd1 ^= (((block[i] >> 1) ^ (block[i] >> 3) ^ (block[i] >> 5) ^ (block[i] >> 7)) & 1) << 5;
1917         pd1 ^= (((block[i] >> 2) ^ (block[i] >> 3) ^ (block[i] >> 6) ^ (block[i] >> 7)) & 1) << 6;
1919         pd1 ^= (((block[i] >> 4) ^ (block[i] >> 5) ^ (block[i] >> 6) ^ (block[i] >> 7)) & 1) << 7;
1921         pd2 ^= ((block[2*i+1] ^ (block[2*i+1] >> 1) ^ (block[2*i+1] >> 2) ^
1922                  (block[2*i+1] >> 3) ^ (block[2*i+1] >> 4) ^ (block[2*i+1] >> 5) ^
1923                  (block[2*i+1] >> 6) ^ (block[2*i+1] >> 7)) & 1) << 0;
1926             pd2 ^= ((block[4*i+j] ^ (block[4*i+j] >> 1) ^ (block[4*i+j] >> 2) ^
1927                      (block[4*i+j] >> 3) ^ (block[4*i+j] >> 4) ^ (block[4*i+j] >> 5) ^
1928                      (block[4*i+j] >> 6) ^ (block[4*i+j] >> 7)) & 1) << 1;
1931             pd2 ^= ((block[8*i+j] ^ (block[8*i+j] >> 1) ^ (block[8*i+j] >> 2) ^
1932                      (block[8*i+j] >> 3) ^ (block[8*i+j] >> 4) ^ (block[8*i+j] >> 5) ^
1933                      (block[8*i+j] >> 6) ^ (block[8*i+j] >> 7)) & 1) << 2;
1936             pd2 ^= ((block[16*i+j] ^ (block[16*i+j] >> 1) ^ (block[16*i+j] >> 2) ^
1937                      (block[16*i+j] >> 3) ^ (block[16*i+j] >> 4) ^ (block[16*i+j] >> 5) ^
1938                      (block[16*i+j] >> 6) ^ (block[16*i+j] >> 7)) & 1) << 3;
1941             pd2 ^= ((block[32*i+j] ^ (block[32*i+j] >> 1) ^ (block[32*i+j] >> 2) ^
1942                      (block[32*i+j] >> 3) ^ (block[32*i+j] >> 4) ^ (block[32*i+j] >> 5) ^
1943                      (block[32*i+j] >> 6) ^ (block[32*i+j] >> 7)) & 1) << 4;
1946             pd2 ^= ((block[64*i+j] ^ (block[64*i+j] >> 1) ^ (block[64*i+j] >> 2) ^
1947                      (block[64*i+j] >> 3) ^ (block[64*i+j] >> 4) ^ (block[64*i+j] >> 5) ^
1948                      (block[64*i+j] >> 6) ^ (block[64*i+j] >> 7)) & 1) << 5;
1951             pd2 ^= ((block[128*i+j] ^ (block[128*i+j] >> 1) ^ (block[128*i+j] >> 2) ^
1952                      (block[128*i+j] >> 3) ^ (block[128*i+j] >> 4) ^ (block[128*i+j] >> 5) ^
1953                      (block[128*i+j] >> 6) ^ (block[128*i+j] >> 7)) & 1) << 6;
1955         pd2 ^= ((block[i] ^ (block[i] >> 1) ^ (block[i] >> 2) ^
1956                  (block[i] >> 3) ^ (block[i] >> 4) ^ (block[i] >> 5) ^
1957                  (block[i] >> 6) ^ (block[i] >> 7)) & 1) << 7;
1959     xorpd0 = pd0 ^ block[256];
1960     xorpd1 = pd1 ^ block[257];
1961     xorpd2 = pd2 ^ block[258];
1974         block[xorpd2] ^= 1 << (xorpd1 >> 5);