mediatek: mt8192: Add MCDI drivers
Add MCDI related drivers to handle CPU powered on/off in CPU suspend.
Change-Id: I5110461e8eef86f8383b45f197ec5cb10dbfeb3e
diff --git a/plat/mediatek/mt8192/drivers/mcdi/mt_cpu_pm_cpc.h b/plat/mediatek/mt8192/drivers/mcdi/mt_cpu_pm_cpc.h
new file mode 100644
index 0000000..19dd6a2
--- /dev/null
+++ b/plat/mediatek/mt8192/drivers/mcdi/mt_cpu_pm_cpc.h
@@ -0,0 +1,106 @@
+/*
+ * Copyright (c) 2020, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef MT_CPU_PM_CPC_H
+#define MT_CPU_PM_CPC_H
+
+#include <lib/mmio.h>
+#include <lib/utils_def.h>
+#include <mcucfg.h>
+#include <platform_def.h>
+
+#define NEED_CPUSYS_PROT_WORKAROUND 1
+
+/* system sram registers */
+#define CPUIDLE_SRAM_REG(r) (uint32_t)(MTK_MCDI_SRAM_BASE + (r))
+
+/* db dump */
+#define CPC_TRACE_SIZE U(0x20)
+#define CPC_TRACE_ID_NUM U(10)
+#define CPC_TRACE_SRAM(id) (CPUIDLE_SRAM_REG(0x10) + (id) * CPC_TRACE_SIZE)
+
+/* buckup off count */
+#define CPC_CLUSTER_CNT_BACKUP CPUIDLE_SRAM_REG(0x1F0)
+#define CPC_MCUSYS_CNT CPUIDLE_SRAM_REG(0x1F4)
+
+/* CPC_MCUSYS_CPC_FLOW_CTRL_CFG(0xA814): debug setting */
+#define CPC_PWR_ON_SEQ_DIS BIT(1)
+#define CPC_PWR_ON_PRIORITY BIT(2)
+#define CPC_AUTO_OFF_EN BIT(5)
+#define CPC_DORMANT_WAIT_EN BIT(14)
+#define CPC_CTRL_EN BIT(16)
+#define CPC_OFF_PRE_EN BIT(29)
+
+/* CPC_MCUSYS_LAST_CORE_REQ(0xA818) : last core protection */
+#define CPUSYS_PROT_SET BIT(0)
+#define MCUSYS_PROT_SET BIT(8)
+#define CPUSYS_PROT_CLR BIT(8)
+#define MCUSYS_PROT_CLR BIT(9)
+
+#define CPC_PROT_RESP_MASK U(0x3)
+#define CPUSYS_RESP_OFS U(16)
+#define MCUSYS_RESP_OFS U(30)
+
+#define cpusys_resp(r) (((r) >> CPUSYS_RESP_OFS) & CPC_PROT_RESP_MASK)
+#define mcusys_resp(r) (((r) >> MCUSYS_RESP_OFS) & CPC_PROT_RESP_MASK)
+
+#define RETRY_CNT_MAX U(1000)
+
+#define PROT_RETRY U(0)
+#define PROT_SUCCESS U(1)
+#define PROT_GIVEUP U(2)
+
+/* CPC_MCUSYS_CPC_DBG_SETTING(0xAB00): debug setting */
+#define CPC_PROF_EN BIT(0)
+#define CPC_DBG_EN BIT(1)
+#define CPC_FREEZE BIT(2)
+#define CPC_CALC_EN BIT(3)
+
+enum {
+ CPC_SUCCESS = 0,
+
+ CPC_ERR_FAIL,
+ CPC_ERR_TIMEOUT,
+
+ NF_CPC_ERR
+};
+
+enum {
+ CPC_SMC_EVENT_DUMP_TRACE_DATA,
+ CPC_SMC_EVENT_GIC_DPG_SET,
+ CPC_SMC_EVENT_CPC_CONFIG,
+ CPC_SMC_EVENT_READ_CONFIG,
+
+ NF_CPC_SMC_EVENT
+};
+
+enum {
+ CPC_SMC_CONFIG_PROF,
+ CPC_SMC_CONFIG_AUTO_OFF,
+ CPC_SMC_CONFIG_AUTO_OFF_THRES,
+ CPC_SMC_CONFIG_CNT_CLR,
+ CPC_SMC_CONFIG_TIME_SYNC,
+
+ NF_CPC_SMC_CONFIG
+};
+
+#define us_to_ticks(us) ((us) * 13)
+#define ticks_to_us(tick) ((tick) / 13)
+
+int mtk_cpu_pm_cluster_prot_aquire(unsigned int cluster);
+void mtk_cpu_pm_cluster_prot_release(unsigned int cluster);
+
+void mtk_cpc_mcusys_off_reflect(void);
+int mtk_cpc_mcusys_off_prepare(void);
+
+void mtk_cpc_core_on_hint_set(unsigned int cpu);
+void mtk_cpc_core_on_hint_clr(unsigned int cpu);
+void mtk_cpc_time_sync(void);
+
+uint64_t mtk_cpc_handler(uint64_t act, uint64_t arg1, uint64_t arg2);
+void mtk_cpc_init(void);
+
+#endif /* MT_CPU_PM_CPC_H */