mt8173: Enable dynamic clock management
This patch enables dynamic clock management control to reduce power
consumption in various components.
Change-Id: I8f66d9b72c8b1d70169ffe46cc361b16a0dadb77
diff --git a/plat/mediatek/mt8173/bl31_plat_setup.c b/plat/mediatek/mt8173/bl31_plat_setup.c
index 03ec690..ec95143 100644
--- a/plat/mediatek/mt8173/bl31_plat_setup.c
+++ b/plat/mediatek/mt8173/bl31_plat_setup.c
@@ -96,6 +96,16 @@
/* set LITTLE cores arm64 boot mode */
mmio_setbits_32((uintptr_t)&mt8173_mcucfg->mp0_rv_addr[0].rv_addr_hw,
MP0_CPUCFG_64BIT);
+
+ /* enable dcm control */
+ mmio_setbits_32((uintptr_t)&mt8173_mcucfg->bus_fabric_dcm_ctrl,
+ ADB400_GRP_DCM_EN | CCI400_GRP_DCM_EN | ADBCLK_GRP_DCM_EN |
+ EMICLK_GRP_DCM_EN | ACLK_GRP_DCM_EN | L2C_IDLE_DCM_EN |
+ INFRACLK_PSYS_DYNAMIC_CG_EN);
+ mmio_setbits_32((uintptr_t)&mt8173_mcucfg->l2c_sram_ctrl,
+ L2C_SRAM_DCM_EN);
+ mmio_setbits_32((uintptr_t)&mt8173_mcucfg->cci_clk_ctrl,
+ MCU_BUS_DCM_EN);
}
/*******************************************************************************