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authorYork Sun <yorksun@freescale.com>2015-01-06 13:18:45 -0800
committerYork Sun <yorksun@freescale.com>2015-02-24 13:09:02 -0800
commit1f3402e7291afa3ba0a5f4da72640edaf2f65405 (patch)
treef1729b57a8e4407a9ad68ac2290282242c5464fd
parent912cc40f767807fe87320b939cf4ce14aa01c1c4 (diff)
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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>
-rw-r--r--drivers/ddr/fsl/ctrl_regs.c6
1 files changed, 5 insertions, 1 deletions
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))