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 --- 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)