From: Tang Yuantian Date: Tue, 7 Feb 2017 06:18:59 +0000 (+0800) Subject: armv8: fsl-lsch2: add workaround for erratum A-010635 X-Git-Tag: v2017.05-rc1~75^2~5 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=dffb4931fdba5d98133a80b719622bacc8524655;p=platform%2Fkernel%2Fu-boot.git 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 Reviewed-by: York Sun --- diff --git a/arch/arm/cpu/armv8/fsl-layerscape/soc.c b/arch/arm/cpu/armv8/fsl-layerscape/soc.c index 9489f85..b54a937 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);