[U-Boot] [PATCH v2] armv8: fsl-lsch2: add workaround for erratum A-010635
Y.T. Tang
yuantian.tang at nxp.com
Tue Feb 7 06:34:49 UTC 2017
Oops, sent this patch twice, please ignore this one.
Regards,
Yuantian
> -----Original Message-----
> From: yuantian.tang at nxp.com [mailto:yuantian.tang at nxp.com]
> Sent: Tuesday, February 07, 2017 2:19 PM
> To: york sun <york.sun at nxp.com>
> Cc: u-boot at lists.denx.de; Y.T. Tang <yuantian.tang at nxp.com>; Y.T. Tang
> <yuantian.tang at nxp.com>
> Subject: [PATCH v2] armv8: fsl-lsch2: add workaround for erratum A-010635
>
> From: Tang Yuantian <Yuantian.Tang at nxp.com>
>
> 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 at nxp.com>
> ---
> v2:
> - refine the commit message
>
> 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 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);
> --
> 2.1.0.27.g96db324
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