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driver/ddr/fsl: Adjust CAS to preamble override for emulator

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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>
This commit is contained in:
York Sun
2015-01-06 13:18:45 -08:00
parent 912cc40f76
commit 1f3402e729
1 changed files with 5 additions and 1 deletions
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6
drivers/ddr/fsl/ctrl_regs.c
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@@ -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))