From 1f3402e7291afa3ba0a5f4da72640edaf2f65405 Mon Sep 17 00:00:00 2001 From: York Sun <yorksun@freescale.com> Date: Tue, 6 Jan 2015 13:18:45 -0800 Subject: [PATCH] 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> --- 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 03d7ff17dd..b3477f04b7 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)) -- 2.39.5