From 435cca167149d19a9740806f63a3f58388280507 Mon Sep 17 00:00:00 2001 From: Tang Yuantian Date: Thu, 1 Dec 2016 17:06:58 +0800 Subject: [PATCH] armv8: fsl-lsch3: enable snoopable sata read and write 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 Reviewed-by: York Sun --- 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 c0fd1a6..9489f85 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); -- 2.7.4