tree 70cd556e7498ef63f2d51519958cfc2994c73950
parent 5a17b8b5dab8973089b7400d05f8503d56f29370
author Shengzhou Liu <Shengzhou.Liu@nxp.com> 1479699408 +0800
committer York Sun <york.sun@nxp.com> 1480955505 -0800

fsl/ddr: Add erratum_a009942_check_cpo and clean related erratum

- add additional function erratum_a009942_check_cpo to check if the
  board needs tuning CPO calibration for optimal setting.
- move ERRATUM_A009942(with revision to check cpo_sample option) from
  fsl_ddr_gen4.c to ctrl_regs.c for reuse on all DDR4/DDR3 parts.
- move ERRATUM_A008378 from fsl_ddr_gen4.c to ctrl_regs.c
- remove obsolete ERRATUM_A004934 which is replaced with ERRATUM_A009942.

Signed-off-by: Shengzhou Liu <Shengzhou.Liu@nxp.com>
[YS: Replaced CONFIG_QEMU_E500 with CONFIG_ARCH_QEMU_E500]
Reviewed-by: York Sun <york.sun@nxp.com>