From 70f959c3c45bd408ba4f7b18a3a69afd9ccfe739 Mon Sep 17 00:00:00 2001 From: Aneesh Bansal Date: Tue, 8 Dec 2015 13:54:27 +0530 Subject: [PATCH] armv8: Make SEC read/write as snoopable for LS1043 For LS1043, SEC read/writes are made snoopable by setting the corresponding bits in SCFG to avoid coherency issues. Signed-off-by: Aneesh Bansal Reviewed-by: York Sun --- arch/arm/cpu/armv8/fsl-layerscape/soc.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm/cpu/armv8/fsl-layerscape/soc.c b/arch/arm/cpu/armv8/fsl-layerscape/soc.c index a0de4be..8d40405 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/soc.c +++ b/arch/arm/cpu/armv8/fsl-layerscape/soc.c @@ -161,11 +161,16 @@ void fsl_lsch3_early_init_f(void) void fsl_lsch2_early_init_f(void) { struct ccsr_cci400 *cci = (struct ccsr_cci400 *)CONFIG_SYS_CCI400_ADDR; + struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR; #ifdef CONFIG_FSL_IFC init_early_memctl_regs(); /* tighten IFC timing */ #endif + /* Make SEC reads and writes snoopable */ + setbits_be32(&scfg->snpcnfgcr, SCFG_SNPCNFGCR_SECRDSNP | + SCFG_SNPCNFGCR_SECWRSNP); + /* * Enable snoop requests and DVM message requests for * Slave insterface S4 (A53 core cluster) -- 2.7.4