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| author | Yao Yuan <yao.yuan@freescale.com> | 2015-12-05 14:59:11 +0800 |
|---|---|---|
| committer | York Sun <yorksun@freescale.com> | 2015-12-13 18:27:29 -0800 |
| commit | 762b3535467202ee216dce81f13eec42cd2ac2e3 (patch) | |
| tree | b211fdaea9483e2ce176c0133a954c6045301c3c /arch/arm/cpu/armv7/ls102xa | |
| parent | 7ba0261810dd8924f0aeeb4cf2f12253106170b3 (diff) | |
| download | blackbird-obmc-uboot-762b3535467202ee216dce81f13eec42cd2ac2e3.tar.gz blackbird-obmc-uboot-762b3535467202ee216dce81f13eec42cd2ac2e3.zip | |
arm: ls102xa: enable all the snoop signal for masters.
Enable the IP feature's snoop signal to support
hardware snoop for cache coherence.
SNPCNFGCR contains the bits to drive snoop signal
for various masters.
Signed-off-by: Yuan Yao <yao.yuan@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
Diffstat (limited to 'arch/arm/cpu/armv7/ls102xa')
| -rw-r--r-- | arch/arm/cpu/armv7/ls102xa/soc.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/ls102xa/soc.c b/arch/arm/cpu/armv7/ls102xa/soc.c index 0fdd6d4c86..6036473a50 100644 --- a/arch/arm/cpu/armv7/ls102xa/soc.c +++ b/arch/arm/cpu/armv7/ls102xa/soc.c @@ -62,5 +62,13 @@ int arch_soc_init(void) out_le32(&cci->ctrl_ord, CCI400_CTRLORD_TERM_BARRIER); } + /* Enable all the snoop signal for various masters */ + out_be32(&scfg->snpcnfgcr, SCFG_SNPCNFGCR_SEC_RD_WR | + SCFG_SNPCNFGCR_DCU_RD_WR | + SCFG_SNPCNFGCR_SATA_RD_WR | + SCFG_SNPCNFGCR_USB3_RD_WR | + SCFG_SNPCNFGCR_DBG_RD_WR | + SCFG_SNPCNFGCR_EDMA_SNP); + return 0; } |
