From dffb4931fdba5d98133a80b719622bacc8524655 Mon Sep 17 00:00:00 2001
From: Tang Yuantian <Yuantian.Tang@nxp.com>
Date: Tue, 7 Feb 2017 14:18:59 +0800
Subject: [PATCH] armv8: fsl-lsch2: add workaround for erratum A-010635
Read DMA operations causes CRC error on armv8 chassis 2 platforms
due to the erratum A-010635.
In order to support sata on these platforms, ECC needs to be disabled.
Signed-off-by: Tang Yuantian <yuantian.tang@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
---
arch/arm/cpu/armv8/fsl-layerscape/soc.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/soc.c b/arch/arm/cpu/armv8/fsl-layerscape/soc.c
index 9489f85c642..b54a9379711 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/soc.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/soc.c
@@ -233,10 +233,8 @@ int sata_init(void)
{
struct ccsr_ahci __iomem *ccsr_ahci = (void *)CONFIG_SYS_SATA;
-#ifdef CONFIG_ARCH_LS1046A
/* Disable SATA ECC */
out_le32((void *)CONFIG_SYS_DCSR_DCFG_ADDR + 0x520, 0x80000000);
-#endif
out_le32(&ccsr_ahci->ppcfg, AHCI_PORT_PHY_1_CFG);
out_le32(&ccsr_ahci->ptc, AHCI_PORT_TRANS_CFG);
out_le32(&ccsr_ahci->axicc, AHCI_PORT_AXICC_CFG);
--
GitLab