diff --git a/arch/arc/plat-eznps/include/plat/ctop.h b/arch/arc/plat-eznps/include/plat/ctop.h index 7729d3d183007b65a6f3c554cb22028c7c84151c..0c7d11022d0f8875256e64162d2ee0f1f0aa85e1 100644 --- a/arch/arc/plat-eznps/include/plat/ctop.h +++ b/arch/arc/plat-eznps/include/plat/ctop.h @@ -39,6 +39,7 @@ #define CTOP_AUX_LOGIC_CORE_ID (CTOP_AUX_BASE + 0x018) #define CTOP_AUX_MT_CTRL (CTOP_AUX_BASE + 0x020) #define CTOP_AUX_HW_COMPLY (CTOP_AUX_BASE + 0x024) +#define CTOP_AUX_DPC (CTOP_AUX_BASE + 0x02C) #define CTOP_AUX_LPC (CTOP_AUX_BASE + 0x030) #define CTOP_AUX_EFLAGS (CTOP_AUX_BASE + 0x080) #define CTOP_AUX_IACK (CTOP_AUX_BASE + 0x088) diff --git a/arch/arc/plat-eznps/mtm.c b/arch/arc/plat-eznps/mtm.c index 8a13f0ac49fb5e068bf4478b52f2c32053ea3035..2388de3d09ef9e71f710ec4625e20a9e85cbdc1e 100644 --- a/arch/arc/plat-eznps/mtm.c +++ b/arch/arc/plat-eznps/mtm.c @@ -110,6 +110,18 @@ void mtm_enable_core(unsigned int cpu) int i; struct nps_host_reg_aux_mt_ctrl mt_ctrl; struct nps_host_reg_mtm_cfg mtm_cfg; + struct nps_host_reg_aux_dpc dpc; + + /* + * Initializing dpc register in each CPU. + * Overwriting the init value of the DPC + * register so that CMEM and FMT virtual address + * spaces are accessible, and Data Plane HW + * facilities are enabled. + */ + dpc.ien = 1; + dpc.men = 1; + write_aux_reg(CTOP_AUX_DPC, dpc.value); if (NPS_CPU_TO_THREAD_NUM(cpu) != 0) return;