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.wan...@nxp.com>
---
arch/arm/cpu/armv8/fsl-layerscape/soc.c | 9 +++++++++
arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h | 6 ++++++
2 files changed, 15 insertions(+)
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/soc.c
b/arch/arm/cpu/armv8/fsl-layerscape/soc.c
index b508bc9..17c0502 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/soc.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/soc.c
@@ -636,10 +636,19 @@ 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
diff --git a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h
b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h
index b4b7c34..524961d 100644
--- a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h
+++ b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h
@@ -409,6 +409,12 @@ struct ccsr_gur {
#define SCFG_SNPCNFGCR_SECWRSNP 0x40000000
#define SCFG_SNPCNFGCR_SATARDSNP 0x00800000
#define SCFG_SNPCNFGCR_SATAWRSNP 0x00400000
+#define SCFG_SNPCNFGCR_USB1RDSNP 0x00200000
+#define SCFG_SNPCNFGCR_USB1WRSNP 0x00100000
+#define SCFG_SNPCNFGCR_USB2RDSNP 0x00008000
+#define SCFG_SNPCNFGCR_USB2WRSNP 0x00010000
+#define SCFG_SNPCNFGCR_USB3RDSNP 0x00002000
+#define SCFG_SNPCNFGCR_USB3WRSNP 0x00004000
/* RGMIIPCR bit definitions*/
#define SCFG_RGMIIPCR_EN_AUTO BIT(3)
--
2.7.4
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