On ZeBu emulator, CAS to preamble overrides need to be set to satisfy the timing. This only impact platforms with CONFIG_EMU.
These should be set before MEM_EN is set.
Signed-off-by: York Sun yorksun@freescale.com ---
drivers/ddr/fsl/ctrl_regs.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/ddr/fsl/ctrl_regs.c b/drivers/ddr/fsl/ctrl_regs.c index 03d7ff1..b3477f0 100644 --- a/drivers/ddr/fsl/ctrl_regs.c +++ b/drivers/ddr/fsl/ctrl_regs.c @@ -2372,7 +2372,11 @@ compute_fsl_memctl_config_regs(const memctl_options_t *popts, #ifdef CONFIG_SYS_FSL_DDR_EMU /* disble DDR training for emulator */ ddr->debug[2] = 0x00000400; - ddr->debug[4] = 0xff800000; + ddr->debug[4] = 0xff800800; + ddr->debug[5] = 0x08000800; + ddr->debug[6] = 0x08000800; + ddr->debug[7] = 0x08000800; + ddr->debug[8] = 0x08000800; #endif #ifdef CONFIG_SYS_FSL_ERRATUM_A004508 if ((ip_rev >= 0x40000) && (ip_rev < 0x40400))