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authorhoria.geanta@freescale.com <horia.geanta@freescale.com>2015-10-15 14:21:31 +0300
committerYork Sun <yorksun@freescale.com>2015-10-29 10:33:58 -0700
commit5757e06c69a02fe95208a503504756b7d422e64f (patch)
treef296fff714a636cac0b60a76d5137715ea8a928c /arch/arm/cpu/armv7/ls102xa
parent2bc3b2e85c3be81688693f28f1c1f6b1a333d4a8 (diff)
arm: ls102xa: enable snooping for CAAM transactions
Enable snooping for CAAM read & write transactions by programming the SCFG snoop configuration register: SCFG_SNPCNFGCR[SECRDSNP] SCFG_SNPCNFGCR[SECWRSNP] Signed-off-by: Horia Geantă <horia.geanta@freescale.com> Reviewed-by: Zhengxiong Jin <Jason.Jin@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/cpu.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/ls102xa/cpu.c b/arch/arm/cpu/armv7/ls102xa/cpu.c
index e2eb5f383a..df2e1b76f1 100644
--- a/arch/arm/cpu/armv7/ls102xa/cpu.c
+++ b/arch/arm/cpu/armv7/ls102xa/cpu.c
@@ -301,6 +301,7 @@ int arch_cpu_init(void)
void *epu_base = (void *)(CONFIG_SYS_DCSRBAR + EPU_BLOCK_OFFSET);
void *rcpm2_base =
(void *)(CONFIG_SYS_DCSRBAR + DCSR_RCPM2_BLOCK_OFFSET);
+ struct ccsr_scfg *scfg = (void *)CONFIG_SYS_FSL_SCFG_ADDR;
u32 state;
/*
@@ -328,6 +329,8 @@ int arch_cpu_init(void)
*/
fsl_epu_clean(epu_base);
+ setbits_be32(&scfg->snpcnfgcr, SCFG_SNPCNFGCR_SEC_RD_WR);
+
return 0;
}