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JEDEC spec allows DRAM vendors to use prime DQ for write leveling. This is not an issue unless some DQ pins are not connected. If a platform uses regular DIMMs but with reduced DDR ECC pins, the prime DQ may end up on those floating pins for the second rank. The workaround is to use a known good chip select for this purpose. Signed-off-by: York Sun <yorksun@freescale.com> |
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.. | ||
arm_ddr_gen3.c | ||
ctrl_regs.c | ||
ddr1_dimm_params.c | ||
ddr2_dimm_params.c | ||
ddr3_dimm_params.c | ||
ddr4_dimm_params.c | ||
fsl_ddr_gen4.c | ||
interactive.c | ||
lc_common_dimm_params.c | ||
main.c | ||
Makefile | ||
mpc85xx_ddr_gen1.c | ||
mpc85xx_ddr_gen2.c | ||
mpc85xx_ddr_gen3.c | ||
mpc86xx_ddr.c | ||
options.c | ||
util.c |