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armv8: fsl-lsch2: add workaround for erratum A-010635

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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>
This commit is contained in:
Tang Yuantian 2017-02-07 14:18:59 +08:00 committed by York Sun
parent 4961eafc25
commit dffb4931fd
1 changed files with 0 additions and 2 deletions
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2
arch/arm/cpu/armv8/fsl-layerscape/soc.c
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@ -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);