[PATCH] armv8: ls1012a: Make USB masters snoopable
Ran Wang
ran.wang_1 at nxp.com
Thu Dec 26 11:11:17 CET 2019
Program register bit of SCFG_SNPCNFGCR_USBRDSNP and
SCFG_SNPCNFGCR_USBWRSNP to drive USB read/write
snoop signal on LS1012A.
Signed-off-by: Ran Wang <ran.wang_1 at nxp.com>
---
arch/arm/cpu/armv8/fsl-layerscape/soc.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/soc.c b/arch/arm/cpu/armv8/fsl-layerscape/soc.c
index ac75c58..e5090d2 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/soc.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/soc.c
@@ -645,6 +645,11 @@ void fsl_lsch2_early_init_f(void)
SCFG_SNPCNFGCR_USB2WRSNP | SCFG_SNPCNFGCR_USB3RDSNP |
SCFG_SNPCNFGCR_USB3WRSNP | SCFG_SNPCNFGCR_SATARDSNP |
SCFG_SNPCNFGCR_SATAWRSNP);
+#elif defined(CONFIG_ARCH_LS1012A)
+ setbits_be32(&scfg->snpcnfgcr, SCFG_SNPCNFGCR_SECRDSNP |
+ SCFG_SNPCNFGCR_SECWRSNP | SCFG_SNPCNFGCR_USB1RDSNP |
+ SCFG_SNPCNFGCR_USB1WRSNP | SCFG_SNPCNFGCR_SATARDSNP |
+ SCFG_SNPCNFGCR_SATAWRSNP);
#else
setbits_be32(&scfg->snpcnfgcr, SCFG_SNPCNFGCR_SECRDSNP |
SCFG_SNPCNFGCR_SECWRSNP |
--
2.7.4
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