[U-Boot] [PATCH v2] armv8: fsl-lsch2: add workaround for erratum A-010635
From: Tang Yuantian Yuantian.Tang@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@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);
Oops, sent this patch twice, please ignore this one.
Regards, Yuantian
-----Original Message----- From: yuantian.tang@nxp.com [mailto:yuantian.tang@nxp.com] Sent: Tuesday, February 07, 2017 2:19 PM To: york sun york.sun@nxp.com Cc: u-boot@lists.denx.de; Y.T. Tang yuantian.tang@nxp.com; Y.T. Tang yuantian.tang@nxp.com Subject: [PATCH v2] armv8: fsl-lsch2: add workaround for erratum A-010635
From: Tang Yuantian Yuantian.Tang@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@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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