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authorRan Wang <ran.wang_1@nxp.com>2019-09-20 17:34:29 +0800
committerPriyanka Jain <priyanka.jain@nxp.com>2019-10-21 15:34:17 +0530
commit3d23b6c5836c004c5f9a8281b03a2da98f20d9ff (patch)
tree5f00d110834d72bd342a8a8fb366bb925383ffe1 /arch/arm/cpu/armv8/fsl-layerscape/soc.c
parentbb6f3c0f76347a3a8d701f2318bbf0b7eef5279e (diff)
armv8: fsl-layerscape: Make USB masters snoopable
Program register bit of SCFG_SNPCNFGCR_USBxRDSNP and SCFG_SNPCNFGCR_USBxWRSNP(x = 1, 2, 3) to drive USBx read/write snoop signal on LS1043A and LS1046A. Signed-off-by: Ran Wang <ran.wang_1@nxp.com> Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
Diffstat (limited to 'arch/arm/cpu/armv8/fsl-layerscape/soc.c')
-rw-r--r--arch/arm/cpu/armv8/fsl-layerscape/soc.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/soc.c b/arch/arm/cpu/armv8/fsl-layerscape/soc.c
index 3fd34e3a43..1f1869e8cf 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/soc.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/soc.c
@@ -627,10 +627,19 @@ void fsl_lsch2_early_init_f(void)
#endif
#endif
/* Make SEC reads and writes snoopable */
+#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A)
+ setbits_be32(&scfg->snpcnfgcr, SCFG_SNPCNFGCR_SECRDSNP |
+ SCFG_SNPCNFGCR_SECWRSNP | SCFG_SNPCNFGCR_USB1RDSNP |
+ SCFG_SNPCNFGCR_USB1WRSNP | SCFG_SNPCNFGCR_USB2RDSNP |
+ SCFG_SNPCNFGCR_USB2WRSNP | SCFG_SNPCNFGCR_USB3RDSNP |
+ SCFG_SNPCNFGCR_USB3WRSNP | SCFG_SNPCNFGCR_SATARDSNP |
+ SCFG_SNPCNFGCR_SATAWRSNP);
+#else
setbits_be32(&scfg->snpcnfgcr, SCFG_SNPCNFGCR_SECRDSNP |
SCFG_SNPCNFGCR_SECWRSNP |
SCFG_SNPCNFGCR_SATARDSNP |
SCFG_SNPCNFGCR_SATAWRSNP);
+#endif
/*
* Enable snoop requests and DVM message requests for