[U-Boot] [PATCH] armv8: fsl-lsch3: enable snoopable sata read and write

[yuantian.tang at nxp.com]

From: Tang Yuantian <Yuantian.Tang at nxp.com>

By default the SATA IP on the ls208Xa SoCs does not generating
coherent/snoopable transactions.  This patch enable it in the
sata axicc register.

Signed-off-by: Tang Yuantian <yuantian.tang at nxp.com>
---
 arch/arm/cpu/armv8/fsl-layerscape/soc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/cpu/armv8/fsl-layerscape/soc.c b/arch/arm/cpu/armv8/fsl-layerscape/soc.c
index 6c42387..80fdca5 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/soc.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/soc.c
@@ -213,10 +213,12 @@ int sata_init(void)
 	ccsr_ahci  = (void *)CONFIG_SYS_SATA2;
 	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);
 
 	ccsr_ahci  = (void *)CONFIG_SYS_SATA1;
 	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);
 
 	ahci_init((void __iomem *)CONFIG_SYS_SATA1);
 	scsi_scan(0);
-- 
2.1.0.27.g96db324