feat(plat/mediatek/mt8195): add DCM driver
DCM means dynamic clock management, and it can dynamically
slow down or gate clocks during CPU or bus idle.
1. Add MCUSYS related DCM drivers.
2. Enable MCUSYS related DCM by default.
Change-Id: I3237199bc217bd3682f51d31284db5fd0324b396
diff --git a/plat/mediatek/mt8195/drivers/dcm/mtk_dcm_utils.c b/plat/mediatek/mt8195/drivers/dcm/mtk_dcm_utils.c
new file mode 100644
index 0000000..a1a3720
--- /dev/null
+++ b/plat/mediatek/mt8195/drivers/dcm/mtk_dcm_utils.c
@@ -0,0 +1,483 @@
+/*
+ * Copyright (c) 2021, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <lib/mmio.h>
+#include <lib/utils_def.h>
+#include <mtk_dcm_utils.h>
+
+#define MP_CPUSYS_TOP_ADB_DCM_REG0_MASK (BIT(17))
+#define MP_CPUSYS_TOP_ADB_DCM_REG1_MASK (BIT(15) | \
+ BIT(16) | \
+ BIT(17) | \
+ BIT(18) | \
+ BIT(21))
+#define MP_CPUSYS_TOP_ADB_DCM_REG2_MASK (BIT(15) | \
+ BIT(16) | \
+ BIT(17) | \
+ BIT(18))
+#define MP_CPUSYS_TOP_ADB_DCM_REG0_ON (BIT(17))
+#define MP_CPUSYS_TOP_ADB_DCM_REG1_ON (BIT(15) | \
+ BIT(16) | \
+ BIT(17) | \
+ BIT(18) | \
+ BIT(21))
+#define MP_CPUSYS_TOP_ADB_DCM_REG2_ON (BIT(15) | \
+ BIT(16) | \
+ BIT(17) | \
+ BIT(18))
+#define MP_CPUSYS_TOP_ADB_DCM_REG0_OFF ((0x0 << 17))
+#define MP_CPUSYS_TOP_ADB_DCM_REG1_OFF ((0x0 << 15) | \
+ (0x0 << 16) | \
+ (0x0 << 17) | \
+ (0x0 << 18) | \
+ (0x0 << 21))
+#define MP_CPUSYS_TOP_ADB_DCM_REG2_OFF ((0x0 << 15) | \
+ (0x0 << 16) | \
+ (0x0 << 17) | \
+ (0x0 << 18))
+
+bool dcm_mp_cpusys_top_adb_dcm_is_on(void)
+{
+ bool ret = true;
+
+ ret &= ((mmio_read_32(MP_CPUSYS_TOP_MP_ADB_DCM_CFG0) &
+ MP_CPUSYS_TOP_ADB_DCM_REG0_MASK) ==
+ (unsigned int) MP_CPUSYS_TOP_ADB_DCM_REG0_ON);
+ ret &= ((mmio_read_32(MP_CPUSYS_TOP_MP_ADB_DCM_CFG4) &
+ MP_CPUSYS_TOP_ADB_DCM_REG1_MASK) ==
+ (unsigned int) MP_CPUSYS_TOP_ADB_DCM_REG1_ON);
+ ret &= ((mmio_read_32(MP_CPUSYS_TOP_MCUSYS_DCM_CFG0) &
+ MP_CPUSYS_TOP_ADB_DCM_REG2_MASK) ==
+ (unsigned int) MP_CPUSYS_TOP_ADB_DCM_REG2_ON);
+
+ return ret;
+}
+
+void dcm_mp_cpusys_top_adb_dcm(bool on)
+{
+ if (on) {
+ /* TINFO = "Turn ON DCM 'mp_cpusys_top_adb_dcm'" */
+ mmio_clrsetbits_32(MP_CPUSYS_TOP_MP_ADB_DCM_CFG0,
+ MP_CPUSYS_TOP_ADB_DCM_REG0_MASK,
+ MP_CPUSYS_TOP_ADB_DCM_REG0_ON);
+ mmio_clrsetbits_32(MP_CPUSYS_TOP_MP_ADB_DCM_CFG4,
+ MP_CPUSYS_TOP_ADB_DCM_REG1_MASK,
+ MP_CPUSYS_TOP_ADB_DCM_REG1_ON);
+ mmio_clrsetbits_32(MP_CPUSYS_TOP_MCUSYS_DCM_CFG0,
+ MP_CPUSYS_TOP_ADB_DCM_REG2_MASK,
+ MP_CPUSYS_TOP_ADB_DCM_REG2_ON);
+ } else {
+ /* TINFO = "Turn OFF DCM 'mp_cpusys_top_adb_dcm'" */
+ mmio_clrsetbits_32(MP_CPUSYS_TOP_MP_ADB_DCM_CFG0,
+ MP_CPUSYS_TOP_ADB_DCM_REG0_MASK,
+ MP_CPUSYS_TOP_ADB_DCM_REG0_OFF);
+ mmio_clrsetbits_32(MP_CPUSYS_TOP_MP_ADB_DCM_CFG4,
+ MP_CPUSYS_TOP_ADB_DCM_REG1_MASK,
+ MP_CPUSYS_TOP_ADB_DCM_REG1_OFF);
+ mmio_clrsetbits_32(MP_CPUSYS_TOP_MCUSYS_DCM_CFG0,
+ MP_CPUSYS_TOP_ADB_DCM_REG2_MASK,
+ MP_CPUSYS_TOP_ADB_DCM_REG2_OFF);
+ }
+}
+
+#define MP_CPUSYS_TOP_APB_DCM_REG0_MASK (BIT(5))
+#define MP_CPUSYS_TOP_APB_DCM_REG1_MASK (BIT(8))
+#define MP_CPUSYS_TOP_APB_DCM_REG2_MASK (BIT(16))
+#define MP_CPUSYS_TOP_APB_DCM_REG0_ON (BIT(5))
+#define MP_CPUSYS_TOP_APB_DCM_REG1_ON (BIT(8))
+#define MP_CPUSYS_TOP_APB_DCM_REG2_ON (BIT(16))
+#define MP_CPUSYS_TOP_APB_DCM_REG0_OFF ((0x0 << 5))
+#define MP_CPUSYS_TOP_APB_DCM_REG1_OFF ((0x0 << 8))
+#define MP_CPUSYS_TOP_APB_DCM_REG2_OFF ((0x0 << 16))
+
+bool dcm_mp_cpusys_top_apb_dcm_is_on(void)
+{
+ bool ret = true;
+
+ ret &= ((mmio_read_32(MP_CPUSYS_TOP_MP_MISC_DCM_CFG0) &
+ MP_CPUSYS_TOP_APB_DCM_REG0_MASK) ==
+ (unsigned int) MP_CPUSYS_TOP_APB_DCM_REG0_ON);
+ ret &= ((mmio_read_32(MP_CPUSYS_TOP_MCUSYS_DCM_CFG0) &
+ MP_CPUSYS_TOP_APB_DCM_REG1_MASK) ==
+ (unsigned int) MP_CPUSYS_TOP_APB_DCM_REG1_ON);
+ ret &= ((mmio_read_32(MP_CPUSYS_TOP_MP0_DCM_CFG0) &
+ MP_CPUSYS_TOP_APB_DCM_REG2_MASK) ==
+ (unsigned int) MP_CPUSYS_TOP_APB_DCM_REG2_ON);
+
+ return ret;
+}
+
+void dcm_mp_cpusys_top_apb_dcm(bool on)
+{
+ if (on) {
+ /* TINFO = "Turn ON DCM 'mp_cpusys_top_apb_dcm'" */
+ mmio_clrsetbits_32(MP_CPUSYS_TOP_MP_MISC_DCM_CFG0,
+ MP_CPUSYS_TOP_APB_DCM_REG0_MASK,
+ MP_CPUSYS_TOP_APB_DCM_REG0_ON);
+ mmio_clrsetbits_32(MP_CPUSYS_TOP_MCUSYS_DCM_CFG0,
+ MP_CPUSYS_TOP_APB_DCM_REG1_MASK,
+ MP_CPUSYS_TOP_APB_DCM_REG1_ON);
+ mmio_clrsetbits_32(MP_CPUSYS_TOP_MP0_DCM_CFG0,
+ MP_CPUSYS_TOP_APB_DCM_REG2_MASK,
+ MP_CPUSYS_TOP_APB_DCM_REG2_ON);
+ } else {
+ /* TINFO = "Turn OFF DCM 'mp_cpusys_top_apb_dcm'" */
+ mmio_clrsetbits_32(MP_CPUSYS_TOP_MP_MISC_DCM_CFG0,
+ MP_CPUSYS_TOP_APB_DCM_REG0_MASK,
+ MP_CPUSYS_TOP_APB_DCM_REG0_OFF);
+ mmio_clrsetbits_32(MP_CPUSYS_TOP_MCUSYS_DCM_CFG0,
+ MP_CPUSYS_TOP_APB_DCM_REG1_MASK,
+ MP_CPUSYS_TOP_APB_DCM_REG1_OFF);
+ mmio_clrsetbits_32(MP_CPUSYS_TOP_MP0_DCM_CFG0,
+ MP_CPUSYS_TOP_APB_DCM_REG2_MASK,
+ MP_CPUSYS_TOP_APB_DCM_REG2_OFF);
+ }
+}
+
+#define MP_CPUSYS_TOP_BUS_PLL_DIV_DCM_REG0_MASK (BIT(11) | \
+ BIT(24) | \
+ BIT(25))
+#define MP_CPUSYS_TOP_BUS_PLL_DIV_DCM_REG0_ON (BIT(11) | \
+ BIT(24) | \
+ BIT(25))
+#define MP_CPUSYS_TOP_BUS_PLL_DIV_DCM_REG0_OFF ((0x0 << 11) | \
+ (0x0 << 24) | \
+ (0x0 << 25))
+
+bool dcm_mp_cpusys_top_bus_pll_div_dcm_is_on(void)
+{
+ bool ret = true;
+
+ ret &= ((mmio_read_32(MP_CPUSYS_TOP_BUS_PLLDIV_CFG) &
+ MP_CPUSYS_TOP_BUS_PLL_DIV_DCM_REG0_MASK) ==
+ (unsigned int) MP_CPUSYS_TOP_BUS_PLL_DIV_DCM_REG0_ON);
+
+ return ret;
+}
+
+void dcm_mp_cpusys_top_bus_pll_div_dcm(bool on)
+{
+ if (on) {
+ /* TINFO = "Turn ON DCM 'mp_cpusys_top_bus_pll_div_dcm'" */
+ mmio_clrsetbits_32(MP_CPUSYS_TOP_BUS_PLLDIV_CFG,
+ MP_CPUSYS_TOP_BUS_PLL_DIV_DCM_REG0_MASK,
+ MP_CPUSYS_TOP_BUS_PLL_DIV_DCM_REG0_ON);
+ } else {
+ /* TINFO = "Turn OFF DCM 'mp_cpusys_top_bus_pll_div_dcm'" */
+ mmio_clrsetbits_32(MP_CPUSYS_TOP_BUS_PLLDIV_CFG,
+ MP_CPUSYS_TOP_BUS_PLL_DIV_DCM_REG0_MASK,
+ MP_CPUSYS_TOP_BUS_PLL_DIV_DCM_REG0_OFF);
+ }
+}
+
+#define MP_CPUSYS_TOP_CORE_STALL_DCM_REG0_MASK (BIT(0))
+#define MP_CPUSYS_TOP_CORE_STALL_DCM_REG0_ON (BIT(0))
+#define MP_CPUSYS_TOP_CORE_STALL_DCM_REG0_OFF ((0x0 << 0))
+
+bool dcm_mp_cpusys_top_core_stall_dcm_is_on(void)
+{
+ bool ret = true;
+
+ ret &= ((mmio_read_32(MP_CPUSYS_TOP_MP0_DCM_CFG7) &
+ MP_CPUSYS_TOP_CORE_STALL_DCM_REG0_MASK) ==
+ (unsigned int) MP_CPUSYS_TOP_CORE_STALL_DCM_REG0_ON);
+
+ return ret;
+}
+
+void dcm_mp_cpusys_top_core_stall_dcm(bool on)
+{
+ if (on) {
+ /* TINFO = "Turn ON DCM 'mp_cpusys_top_core_stall_dcm'" */
+ mmio_clrsetbits_32(MP_CPUSYS_TOP_MP0_DCM_CFG7,
+ MP_CPUSYS_TOP_CORE_STALL_DCM_REG0_MASK,
+ MP_CPUSYS_TOP_CORE_STALL_DCM_REG0_ON);
+ } else {
+ /* TINFO = "Turn OFF DCM 'mp_cpusys_top_core_stall_dcm'" */
+ mmio_clrsetbits_32(MP_CPUSYS_TOP_MP0_DCM_CFG7,
+ MP_CPUSYS_TOP_CORE_STALL_DCM_REG0_MASK,
+ MP_CPUSYS_TOP_CORE_STALL_DCM_REG0_OFF);
+ }
+}
+
+#define MP_CPUSYS_TOP_CPUBIU_DCM_REG0_MASK ((0xffff << 0))
+#define MP_CPUSYS_TOP_CPUBIU_DCM_REG0_ON ((0xffff << 0))
+#define MP_CPUSYS_TOP_CPUBIU_DCM_REG0_OFF ((0x0 << 0))
+
+bool dcm_mp_cpusys_top_cpubiu_dcm_is_on(void)
+{
+ bool ret = true;
+
+ ret &= ((mmio_read_32(MP_CPUSYS_TOP_MCSIC_DCM0) &
+ MP_CPUSYS_TOP_CPUBIU_DCM_REG0_MASK) ==
+ (unsigned int) MP_CPUSYS_TOP_CPUBIU_DCM_REG0_ON);
+
+ return ret;
+}
+
+void dcm_mp_cpusys_top_cpubiu_dcm(bool on)
+{
+ if (on) {
+ /* TINFO = "Turn ON DCM 'mp_cpusys_top_cpubiu_dcm'" */
+ mmio_clrsetbits_32(MP_CPUSYS_TOP_MCSIC_DCM0,
+ MP_CPUSYS_TOP_CPUBIU_DCM_REG0_MASK,
+ MP_CPUSYS_TOP_CPUBIU_DCM_REG0_ON);
+ } else {
+ /* TINFO = "Turn OFF DCM 'mp_cpusys_top_cpubiu_dcm'" */
+ mmio_clrsetbits_32(MP_CPUSYS_TOP_MCSIC_DCM0,
+ MP_CPUSYS_TOP_CPUBIU_DCM_REG0_MASK,
+ MP_CPUSYS_TOP_CPUBIU_DCM_REG0_OFF);
+ }
+}
+
+#define MP_CPUSYS_TOP_CPU_PLL_DIV_0_DCM_REG0_MASK (BIT(24) | \
+ BIT(25))
+#define MP_CPUSYS_TOP_CPU_PLL_DIV_0_DCM_REG0_ON (BIT(24) | \
+ BIT(25))
+#define MP_CPUSYS_TOP_CPU_PLL_DIV_0_DCM_REG0_OFF ((0x0 << 24) | \
+ (0x0 << 25))
+
+bool dcm_mp_cpusys_top_cpu_pll_div_0_dcm_is_on(void)
+{
+ bool ret = true;
+
+ ret &= ((mmio_read_32(MP_CPUSYS_TOP_CPU_PLLDIV_CFG0) &
+ MP_CPUSYS_TOP_CPU_PLL_DIV_0_DCM_REG0_MASK) ==
+ (unsigned int) MP_CPUSYS_TOP_CPU_PLL_DIV_0_DCM_REG0_ON);
+
+ return ret;
+}
+
+void dcm_mp_cpusys_top_cpu_pll_div_0_dcm(bool on)
+{
+ if (on) {
+ /* TINFO = "Turn ON DCM 'mp_cpusys_top_cpu_pll_div_0_dcm'" */
+ mmio_clrsetbits_32(MP_CPUSYS_TOP_CPU_PLLDIV_CFG0,
+ MP_CPUSYS_TOP_CPU_PLL_DIV_0_DCM_REG0_MASK,
+ MP_CPUSYS_TOP_CPU_PLL_DIV_0_DCM_REG0_ON);
+ } else {
+ /* TINFO = "Turn OFF DCM 'mp_cpusys_top_cpu_pll_div_0_dcm'" */
+ mmio_clrsetbits_32(MP_CPUSYS_TOP_CPU_PLLDIV_CFG0,
+ MP_CPUSYS_TOP_CPU_PLL_DIV_0_DCM_REG0_MASK,
+ MP_CPUSYS_TOP_CPU_PLL_DIV_0_DCM_REG0_OFF);
+ }
+}
+
+#define MP_CPUSYS_TOP_CPU_PLL_DIV_1_DCM_REG0_MASK (BIT(24) | \
+ BIT(25))
+#define MP_CPUSYS_TOP_CPU_PLL_DIV_1_DCM_REG0_ON (BIT(24) | \
+ BIT(25))
+#define MP_CPUSYS_TOP_CPU_PLL_DIV_1_DCM_REG0_OFF ((0x0 << 24) | \
+ (0x0 << 25))
+
+bool dcm_mp_cpusys_top_cpu_pll_div_1_dcm_is_on(void)
+{
+ bool ret = true;
+
+ ret &= ((mmio_read_32(MP_CPUSYS_TOP_CPU_PLLDIV_CFG1) &
+ MP_CPUSYS_TOP_CPU_PLL_DIV_1_DCM_REG0_MASK) ==
+ (unsigned int) MP_CPUSYS_TOP_CPU_PLL_DIV_1_DCM_REG0_ON);
+
+ return ret;
+}
+
+void dcm_mp_cpusys_top_cpu_pll_div_1_dcm(bool on)
+{
+ if (on) {
+ /* TINFO = "Turn ON DCM 'mp_cpusys_top_cpu_pll_div_1_dcm'" */
+ mmio_clrsetbits_32(MP_CPUSYS_TOP_CPU_PLLDIV_CFG1,
+ MP_CPUSYS_TOP_CPU_PLL_DIV_1_DCM_REG0_MASK,
+ MP_CPUSYS_TOP_CPU_PLL_DIV_1_DCM_REG0_ON);
+ } else {
+ /* TINFO = "Turn OFF DCM 'mp_cpusys_top_cpu_pll_div_1_dcm'" */
+ mmio_clrsetbits_32(MP_CPUSYS_TOP_CPU_PLLDIV_CFG1,
+ MP_CPUSYS_TOP_CPU_PLL_DIV_1_DCM_REG0_MASK,
+ MP_CPUSYS_TOP_CPU_PLL_DIV_1_DCM_REG0_OFF);
+ }
+}
+
+#define MP_CPUSYS_TOP_FCM_STALL_DCM_REG0_MASK (BIT(4))
+#define MP_CPUSYS_TOP_FCM_STALL_DCM_REG0_ON (BIT(4))
+#define MP_CPUSYS_TOP_FCM_STALL_DCM_REG0_OFF ((0x0 << 4))
+
+bool dcm_mp_cpusys_top_fcm_stall_dcm_is_on(void)
+{
+ bool ret = true;
+
+ ret &= ((mmio_read_32(MP_CPUSYS_TOP_MP0_DCM_CFG7) &
+ MP_CPUSYS_TOP_FCM_STALL_DCM_REG0_MASK) ==
+ (unsigned int) MP_CPUSYS_TOP_FCM_STALL_DCM_REG0_ON);
+
+ return ret;
+}
+
+void dcm_mp_cpusys_top_fcm_stall_dcm(bool on)
+{
+ if (on) {
+ /* TINFO = "Turn ON DCM 'mp_cpusys_top_fcm_stall_dcm'" */
+ mmio_clrsetbits_32(MP_CPUSYS_TOP_MP0_DCM_CFG7,
+ MP_CPUSYS_TOP_FCM_STALL_DCM_REG0_MASK,
+ MP_CPUSYS_TOP_FCM_STALL_DCM_REG0_ON);
+ } else {
+ /* TINFO = "Turn OFF DCM 'mp_cpusys_top_fcm_stall_dcm'" */
+ mmio_clrsetbits_32(MP_CPUSYS_TOP_MP0_DCM_CFG7,
+ MP_CPUSYS_TOP_FCM_STALL_DCM_REG0_MASK,
+ MP_CPUSYS_TOP_FCM_STALL_DCM_REG0_OFF);
+ }
+}
+
+#define MP_CPUSYS_TOP_LAST_COR_IDLE_DCM_REG0_MASK ((0x1U << 31))
+#define MP_CPUSYS_TOP_LAST_COR_IDLE_DCM_REG0_ON ((0x1U << 31))
+#define MP_CPUSYS_TOP_LAST_COR_IDLE_DCM_REG0_OFF ((0x0U << 31))
+
+bool dcm_mp_cpusys_top_last_cor_idle_dcm_is_on(void)
+{
+ bool ret = true;
+
+ ret &= ((mmio_read_32(MP_CPUSYS_TOP_BUS_PLLDIV_CFG) &
+ MP_CPUSYS_TOP_LAST_COR_IDLE_DCM_REG0_MASK) ==
+ (unsigned int) MP_CPUSYS_TOP_LAST_COR_IDLE_DCM_REG0_ON);
+
+ return ret;
+}
+
+void dcm_mp_cpusys_top_last_cor_idle_dcm(bool on)
+{
+ if (on) {
+ /* TINFO = "Turn ON DCM 'mp_cpusys_top_last_cor_idle_dcm'" */
+ mmio_clrsetbits_32(MP_CPUSYS_TOP_BUS_PLLDIV_CFG,
+ MP_CPUSYS_TOP_LAST_COR_IDLE_DCM_REG0_MASK,
+ MP_CPUSYS_TOP_LAST_COR_IDLE_DCM_REG0_ON);
+ } else {
+ /* TINFO = "Turn OFF DCM 'mp_cpusys_top_last_cor_idle_dcm'" */
+ mmio_clrsetbits_32(MP_CPUSYS_TOP_BUS_PLLDIV_CFG,
+ MP_CPUSYS_TOP_LAST_COR_IDLE_DCM_REG0_MASK,
+ MP_CPUSYS_TOP_LAST_COR_IDLE_DCM_REG0_OFF);
+ }
+}
+
+#define MP_CPUSYS_TOP_MISC_DCM_REG0_MASK (BIT(1) | \
+ BIT(4))
+#define MP_CPUSYS_TOP_MISC_DCM_REG0_ON (BIT(1) | \
+ BIT(4))
+#define MP_CPUSYS_TOP_MISC_DCM_REG0_OFF ((0x0 << 1) | \
+ (0x0 << 4))
+
+bool dcm_mp_cpusys_top_misc_dcm_is_on(void)
+{
+ bool ret = true;
+
+ ret &= ((mmio_read_32(MP_CPUSYS_TOP_MP_MISC_DCM_CFG0) &
+ MP_CPUSYS_TOP_MISC_DCM_REG0_MASK) ==
+ (unsigned int) MP_CPUSYS_TOP_MISC_DCM_REG0_ON);
+
+ return ret;
+}
+
+void dcm_mp_cpusys_top_misc_dcm(bool on)
+{
+ if (on) {
+ /* TINFO = "Turn ON DCM 'mp_cpusys_top_misc_dcm'" */
+ mmio_clrsetbits_32(MP_CPUSYS_TOP_MP_MISC_DCM_CFG0,
+ MP_CPUSYS_TOP_MISC_DCM_REG0_MASK,
+ MP_CPUSYS_TOP_MISC_DCM_REG0_ON);
+ } else {
+ /* TINFO = "Turn OFF DCM 'mp_cpusys_top_misc_dcm'" */
+ mmio_clrsetbits_32(MP_CPUSYS_TOP_MP_MISC_DCM_CFG0,
+ MP_CPUSYS_TOP_MISC_DCM_REG0_MASK,
+ MP_CPUSYS_TOP_MISC_DCM_REG0_OFF);
+ }
+}
+
+#define MP_CPUSYS_TOP_MP0_QDCM_REG0_MASK (BIT(3))
+#define MP_CPUSYS_TOP_MP0_QDCM_REG1_MASK (BIT(0) | \
+ BIT(1) | \
+ BIT(2) | \
+ BIT(3))
+#define MP_CPUSYS_TOP_MP0_QDCM_REG0_ON (BIT(3))
+#define MP_CPUSYS_TOP_MP0_QDCM_REG1_ON (BIT(0) | \
+ BIT(1) | \
+ BIT(2) | \
+ BIT(3))
+#define MP_CPUSYS_TOP_MP0_QDCM_REG0_OFF ((0x0 << 3))
+#define MP_CPUSYS_TOP_MP0_QDCM_REG1_OFF ((0x0 << 0) | \
+ (0x0 << 1) | \
+ (0x0 << 2) | \
+ (0x0 << 3))
+
+bool dcm_mp_cpusys_top_mp0_qdcm_is_on(void)
+{
+ bool ret = true;
+
+ ret &= ((mmio_read_32(MP_CPUSYS_TOP_MP_MISC_DCM_CFG0) &
+ MP_CPUSYS_TOP_MP0_QDCM_REG0_MASK) ==
+ (unsigned int) MP_CPUSYS_TOP_MP0_QDCM_REG0_ON);
+ ret &= ((mmio_read_32(MP_CPUSYS_TOP_MP0_DCM_CFG0) &
+ MP_CPUSYS_TOP_MP0_QDCM_REG1_MASK) ==
+ (unsigned int) MP_CPUSYS_TOP_MP0_QDCM_REG1_ON);
+
+ return ret;
+}
+
+void dcm_mp_cpusys_top_mp0_qdcm(bool on)
+{
+ if (on) {
+ /* TINFO = "Turn ON DCM 'mp_cpusys_top_mp0_qdcm'" */
+ mmio_clrsetbits_32(MP_CPUSYS_TOP_MP_MISC_DCM_CFG0,
+ MP_CPUSYS_TOP_MP0_QDCM_REG0_MASK,
+ MP_CPUSYS_TOP_MP0_QDCM_REG0_ON);
+ mmio_clrsetbits_32(MP_CPUSYS_TOP_MP0_DCM_CFG0,
+ MP_CPUSYS_TOP_MP0_QDCM_REG1_MASK,
+ MP_CPUSYS_TOP_MP0_QDCM_REG1_ON);
+ } else {
+ /* TINFO = "Turn OFF DCM 'mp_cpusys_top_mp0_qdcm'" */
+ mmio_clrsetbits_32(MP_CPUSYS_TOP_MP_MISC_DCM_CFG0,
+ MP_CPUSYS_TOP_MP0_QDCM_REG0_MASK,
+ MP_CPUSYS_TOP_MP0_QDCM_REG0_OFF);
+ mmio_clrsetbits_32(MP_CPUSYS_TOP_MP0_DCM_CFG0,
+ MP_CPUSYS_TOP_MP0_QDCM_REG1_MASK,
+ MP_CPUSYS_TOP_MP0_QDCM_REG1_OFF);
+ }
+}
+
+#define CPCCFG_REG_EMI_WFIFO_REG0_MASK (BIT(0) | \
+ BIT(1) | \
+ BIT(2) | \
+ BIT(3))
+#define CPCCFG_REG_EMI_WFIFO_REG0_ON (BIT(0) | \
+ BIT(1) | \
+ BIT(2) | \
+ BIT(3))
+#define CPCCFG_REG_EMI_WFIFO_REG0_OFF ((0x0 << 0) | \
+ (0x0 << 1) | \
+ (0x0 << 2) | \
+ (0x0 << 3))
+
+bool dcm_cpccfg_reg_emi_wfifo_is_on(void)
+{
+ bool ret = true;
+
+ ret &= ((mmio_read_32(CPCCFG_REG_EMI_WFIFO) &
+ CPCCFG_REG_EMI_WFIFO_REG0_MASK) ==
+ (unsigned int) CPCCFG_REG_EMI_WFIFO_REG0_ON);
+
+ return ret;
+}
+
+void dcm_cpccfg_reg_emi_wfifo(bool on)
+{
+ if (on) {
+ /* TINFO = "Turn ON DCM 'cpccfg_reg_emi_wfifo'" */
+ mmio_clrsetbits_32(CPCCFG_REG_EMI_WFIFO,
+ CPCCFG_REG_EMI_WFIFO_REG0_MASK,
+ CPCCFG_REG_EMI_WFIFO_REG0_ON);
+ } else {
+ /* TINFO = "Turn OFF DCM 'cpccfg_reg_emi_wfifo'" */
+ mmio_clrsetbits_32(CPCCFG_REG_EMI_WFIFO,
+ CPCCFG_REG_EMI_WFIFO_REG0_MASK,
+ CPCCFG_REG_EMI_WFIFO_REG0_OFF);
+ }
+}