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armv8: Make SEC read/write as snoopable for LS1043

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For LS1043, SEC read/writes are made snoopable by setting
the corresponding bits in SCFG to avoid coherency issues.

Signed-off-by: Aneesh Bansal <aneesh.bansal@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
This commit is contained in:
Aneesh Bansal 2015-12-08 13:54:27 +05:30 committed by York Sun
parent b644d3e932
commit 70f959c3c4
1 changed files with 5 additions and 0 deletions
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5
arch/arm/cpu/armv8/fsl-layerscape/soc.c
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@ -161,11 +161,16 @@ void fsl_lsch3_early_init_f(void)
void fsl_lsch2_early_init_f(void) void fsl_lsch2_early_init_f(void)
{ {
struct ccsr_cci400 *cci = (struct ccsr_cci400 *)CONFIG_SYS_CCI400_ADDR; 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 #ifdef CONFIG_FSL_IFC
init_early_memctl_regs(); /* tighten IFC timing */ init_early_memctl_regs(); /* tighten IFC timing */
#endif #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 * Enable snoop requests and DVM message requests for
* Slave insterface S4 (A53 core cluster) * Slave insterface S4 (A53 core cluster)