From: York Sun <yorksun@freescale.com>
Date: Tue, 6 Jan 2015 21:18:45 +0000 (-0800)
Subject: driver/ddr/fsl: Adjust CAS to preamble override for emulator
X-Git-Tag: v2015.04-rc3~15^2~26
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=1f3402e7291afa3ba0a5f4da72640edaf2f65405;p=oweals%2Fu-boot.git

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>
---

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))