mediatek: mt8192: Add SPMC driver
Add SPMC driver for CPU power on/off.
Change-Id: I526b98d5885855efce019dd09cfd93b8816cbf19
diff --git a/plat/mediatek/mt8192/drivers/spmc/mtspmc_private.h b/plat/mediatek/mt8192/drivers/spmc/mtspmc_private.h
new file mode 100644
index 0000000..ad78295
--- /dev/null
+++ b/plat/mediatek/mt8192/drivers/spmc/mtspmc_private.h
@@ -0,0 +1,184 @@
+/*
+ * Copyright (c) 2020, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef MTSPMC_PRIVATE_H
+#define MTSPMC_PRIVATE_H
+
+#include <lib/utils_def.h>
+#include <platform_def.h>
+
+unsigned long read_cpuectlr(void);
+void write_cpuectlr(unsigned long cpuectlr);
+
+unsigned long read_cpupwrctlr_el1(void);
+void write_cpupwrctlr_el1(unsigned long cpuectlr);
+
+/*
+ * per_cpu/cluster helper
+ */
+struct per_cpu_reg {
+ unsigned int cluster_addr;
+ unsigned int cpu_stride;
+};
+
+#define per_cpu(cluster, cpu, reg) \
+ (reg[cluster].cluster_addr + (cpu << reg[cluster].cpu_stride))
+
+#define per_cluster(cluster, reg) (reg[cluster].cluster_addr)
+
+#define SPM_REG(ofs) (uint32_t)(SPM_BASE + (ofs))
+#define MCUCFG_REG(ofs) (uint32_t)(MCUCFG_BASE + (ofs))
+#define INFRACFG_AO_REG(ofs) (uint32_t)(INFRACFG_AO_BASE + (ofs))
+
+/* === SPMC related registers */
+#define SPM_POWERON_CONFIG_EN SPM_REG(0x000)
+/* bit-fields of SPM_POWERON_CONFIG_EN */
+#define PROJECT_CODE (U(0xb16) << 16)
+#define BCLK_CG_EN BIT(0)
+
+#define SPM_PWR_STATUS SPM_REG(0x16c)
+#define SPM_PWR_STATUS_2ND SPM_REG(0x170)
+#define SPM_CPU_PWR_STATUS SPM_REG(0x174)
+
+/* bit-fields of SPM_PWR_STATUS */
+#define MD BIT(0)
+#define CONN BIT(1)
+#define DDRPHY BIT(2)
+#define DISP BIT(3)
+#define MFG BIT(4)
+#define ISP BIT(5)
+#define INFRA BIT(6)
+#define VDEC BIT(7)
+#define MP0_CPUTOP BIT(8)
+#define MP0_CPU0 BIT(9)
+#define MP0_CPU1 BIT(10)
+#define MP0_CPU2 BIT(11)
+#define MP0_CPU3 BIT(12)
+#define MCUSYS BIT(14)
+#define MP0_CPU4 BIT(15)
+#define MP0_CPU5 BIT(16)
+#define MP0_CPU6 BIT(17)
+#define MP0_CPU7 BIT(18)
+#define VEN BIT(21)
+
+/* === SPMC related registers */
+#define SPM_MCUSYS_PWR_CON MCUCFG_REG(0xd200)
+#define SPM_MP0_CPUTOP_PWR_CON MCUCFG_REG(0xd204)
+#define SPM_MP0_CPU0_PWR_CON MCUCFG_REG(0xd208)
+#define SPM_MP0_CPU1_PWR_CON MCUCFG_REG(0xd20c)
+#define SPM_MP0_CPU2_PWR_CON MCUCFG_REG(0xd210)
+#define SPM_MP0_CPU3_PWR_CON MCUCFG_REG(0xd214)
+#define SPM_MP0_CPU4_PWR_CON MCUCFG_REG(0xd218)
+#define SPM_MP0_CPU5_PWR_CON MCUCFG_REG(0xd21c)
+#define SPM_MP0_CPU6_PWR_CON MCUCFG_REG(0xd220)
+#define SPM_MP0_CPU7_PWR_CON MCUCFG_REG(0xd224)
+
+/* bit fields of SPM_*_PWR_CON */
+#define PWR_ON_ACK BIT(31)
+#define VPROC_EXT_OFF BIT(7)
+#define DORMANT_EN BIT(6)
+#define RESETPWRON_CONFIG BIT(5)
+#define PWR_CLK_DIS BIT(4)
+#define PWR_ON BIT(2)
+#define PWR_RST_B BIT(0)
+
+/**** per_cpu registers for SPM_MP0_CPU?_PWR_CON */
+static const struct per_cpu_reg SPM_CPU_PWR[] = {
+ { .cluster_addr = SPM_MP0_CPU0_PWR_CON, .cpu_stride = 2U }
+};
+
+/**** per_cluster registers for SPM_MP0_CPUTOP_PWR_CON */
+static const struct per_cpu_reg SPM_CLUSTER_PWR[] = {
+ { .cluster_addr = SPM_MP0_CPUTOP_PWR_CON, .cpu_stride = 0U }
+};
+
+/* === MCUCFG related registers */
+/* aa64naa32 */
+#define MCUCFG_MP0_CLUSTER_CFG5 MCUCFG_REG(0xc8e4)
+/* reset vectors */
+#define MCUCFG_MP0_CLUSTER_CFG8 MCUCFG_REG(0xc900)
+#define MCUCFG_MP0_CLUSTER_CFG10 MCUCFG_REG(0xc908)
+#define MCUCFG_MP0_CLUSTER_CFG12 MCUCFG_REG(0xc910)
+#define MCUCFG_MP0_CLUSTER_CFG14 MCUCFG_REG(0xc918)
+#define MCUCFG_MP0_CLUSTER_CFG16 MCUCFG_REG(0xc920)
+#define MCUCFG_MP0_CLUSTER_CFG18 MCUCFG_REG(0xc928)
+#define MCUCFG_MP0_CLUSTER_CFG20 MCUCFG_REG(0xc930)
+#define MCUCFG_MP0_CLUSTER_CFG22 MCUCFG_REG(0xc938)
+
+/* MCUSYS DREQ BIG VPROC ISO control */
+#define DREQ20_BIG_VPROC_ISO MCUCFG_REG(0xad8c)
+
+/**** per_cpu registers for MCUCFG_MP0_CLUSTER_CFG? */
+static const struct per_cpu_reg MCUCFG_BOOTADDR[] = {
+ { .cluster_addr = MCUCFG_MP0_CLUSTER_CFG8, .cpu_stride = 3U }
+};
+
+/**** per_cpu registers for MCUCFG_MP0_CLUSTER_CFG5 */
+static const struct per_cpu_reg MCUCFG_INITARCH[] = {
+ { .cluster_addr = MCUCFG_MP0_CLUSTER_CFG5, .cpu_stride = 0U }
+};
+
+#define MCUCFG_INITARCH_CPU_BIT(cpu) BIT(16U + cpu)
+#define LAST_PC_REG(cpu) (MCUCFG_REG(0x308) + (cpu * 0x800))
+
+/* === CPC control */
+#define MCUCFG_CPC_FLOW_CTRL_CFG MCUCFG_REG(0xa814)
+#define MCUCFG_CPC_SPMC_PWR_STATUS MCUCFG_REG(0xa840)
+
+/* bit fields of CPC_FLOW_CTRL_CFG */
+#define CPC_CTRL_ENABLE BIT(16)
+#define SSPM_ALL_PWR_CTRL_EN BIT(13) /* for cpu-hotplug */
+#define GIC_WAKEUP_IGNORE(cpu) BIT(21 + cpu)
+
+/* bit fields of CPC_SPMC_PWR_STATUS */
+#define CORE_SPMC_PWR_ON_ACK GENMASK(15, 0)
+
+/* === APB Module infracfg_ao */
+#define INFRA_TOPAXI_PROTECTEN INFRACFG_AO_REG(0x0220)
+#define INFRA_TOPAXI_PROTECTEN_STA0 INFRACFG_AO_REG(0x0224)
+#define INFRA_TOPAXI_PROTECTEN_STA1 INFRACFG_AO_REG(0x0228)
+#define INFRA_TOPAXI_PROTECTEN_SET INFRACFG_AO_REG(0x02a0)
+#define INFRA_TOPAXI_PROTECTEN_CLR INFRACFG_AO_REG(0x02a4)
+#define INFRA_TOPAXI_PROTECTEN_1 INFRACFG_AO_REG(0x0250)
+#define INFRA_TOPAXI_PROTECTEN_STA0_1 INFRACFG_AO_REG(0x0254)
+#define INFRA_TOPAXI_PROTECTEN_STA1_1 INFRACFG_AO_REG(0x0258)
+#define INFRA_TOPAXI_PROTECTEN_1_SET INFRACFG_AO_REG(0x02a8)
+#define INFRA_TOPAXI_PROTECTEN_1_CLR INFRACFG_AO_REG(0x02ac)
+
+/* bit fields of INFRA_TOPAXI_PROTECTEN */
+#define MP0_SPMC_PROT_STEP1_0_MASK BIT(12)
+#define MP0_SPMC_PROT_STEP1_1_MASK (BIT(26) | BIT(12))
+
+/* === SPARK */
+#define VOLTAGE_04 U(0x40)
+#define VOLTAGE_05 U(0x60)
+
+#define PTP3_CPU0_SPMC_SW_CFG MCUCFG_REG(0x200)
+#define CPU0_ILDO_CONTROL5 MCUCFG_REG(0x334)
+#define CPU0_ILDO_CONTROL8 MCUCFG_REG(0x340)
+
+/* bit fields of CPU0_ILDO_CONTROL5 */
+#define ILDO_RET_VOSEL GENMASK(7, 0)
+
+/* bit fields of PTP3_CPU_SPMC_SW_CFG */
+#define SW_SPARK_EN BIT(0)
+
+/* bit fields of CPU0_ILDO_CONTROL8 */
+#define ILDO_BYPASS_B BIT(0)
+
+static const struct per_cpu_reg MCUCFG_SPARK[] = {
+ { .cluster_addr = PTP3_CPU0_SPMC_SW_CFG, .cpu_stride = 11U }
+};
+
+static const struct per_cpu_reg ILDO_CONTROL5[] = {
+ { .cluster_addr = CPU0_ILDO_CONTROL5, .cpu_stride = 11U }
+};
+
+static const struct per_cpu_reg ILDO_CONTROL8[] = {
+ { .cluster_addr = CPU0_ILDO_CONTROL8, .cpu_stride = 11U }
+};
+
+#endif /* MTSPMC_PRIVATE_H */