diff options
| author | York Sun <yorksun@freescale.com> | 2015-01-06 13:18:45 -0800 |
|---|---|---|
| committer | York Sun <yorksun@freescale.com> | 2015-02-24 13:09:02 -0800 |
| commit | 1f3402e7291afa3ba0a5f4da72640edaf2f65405 (patch) | |
| tree | f1729b57a8e4407a9ad68ac2290282242c5464fd /drivers | |
| parent | 912cc40f767807fe87320b939cf4ce14aa01c1c4 (diff) | |
driver/ddr/fsl: Adjust CAS to preamble override for emulator
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/ddr/fsl/ctrl_regs.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/ddr/fsl/ctrl_regs.c b/drivers/ddr/fsl/ctrl_regs.c index 03d7ff17dd1..b3477f04b71 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)) |