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armv8: ls1046a: disable SATA ECC in DCSR

This is a workaround to fix SATA CRC error. Once the root cause
is found the ECC disabling will be removed.

Signed-off-by: Shaohui Xie <Shaohui.Xie@nxp.com>
Signed-off-by: Gong Qianyu <Qianyu.Gong@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
Shaohui Xie 8 years ago
parent
commit
1b2b406636
1 changed files with 4 additions and 0 deletions
  1. 4 0
      arch/arm/cpu/armv8/fsl-layerscape/soc.c

+ 4 - 0
arch/arm/cpu/armv8/fsl-layerscape/soc.c

@@ -228,6 +228,10 @@ int sata_init(void)
 {
 	struct ccsr_ahci __iomem *ccsr_ahci = (void *)CONFIG_SYS_SATA;
 
+#ifdef CONFIG_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->pp2c, AHCI_PORT_PHY_2_CFG);
 	out_le32(&ccsr_ahci->pp3c, AHCI_PORT_PHY_3_CFG);