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arm: ls102xa: enable snooping for CAAM transactions

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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>
This commit is contained in:
horia.geanta@freescale.com 2015-10-15 14:21:31 +03:00 committed by York Sun
parent 2bc3b2e85c
commit 5757e06c69
2 changed files with 4 additions and 0 deletions
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3
arch/arm/cpu/armv7/ls102xa/cpu.c
View File

@ -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;
}

1
arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h
View File

@ -144,6 +144,7 @@ struct ccsr_gur {
};
#define SCFG_ETSECDMAMCR_LE_BD_FR 0x00000c00
#define SCFG_SNPCNFGCR_SEC_RD_WR 0xc0000000
#define SCFG_ETSECCMCR_GE2_CLK125 0x04000000
#define SCFG_ETSECCMCR_GE0_CLK125 0x00000000
#define SCFG_ETSECCMCR_GE1_CLK125 0x08000000