[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/devtools/met-driver/4.4/common/v8_pmu_hw.c b/src/devtools/met-driver/4.4/common/v8_pmu_hw.c
new file mode 100644
index 0000000..225e1c6
--- /dev/null
+++ b/src/devtools/met-driver/4.4/common/v8_pmu_hw.c
@@ -0,0 +1,304 @@
+/*
+ * Copyright (C) 2018 MediaTek Inc.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/smp.h>
+#include "interface.h"
+#include "cpu_pmu.h"
+#include "v8_pmu_name.h"
+
+/*
+ * Per-CPU PMCR: config reg
+ */
+#define ARMV8_PMCR_E (1 << 0) /* Enable all counters */
+#define ARMV8_PMCR_P (1 << 1) /* Reset all counters */
+#define ARMV8_PMCR_C (1 << 2) /* Cycle counter reset */
+#define ARMV8_PMCR_D (1 << 3) /* CCNT counts every 64th cpu cycle */
+#define ARMV8_PMCR_X (1 << 4) /* Export to ETM */
+#define ARMV8_PMCR_DP (1 << 5) /* Disable CCNT if non-invasive debug */
+#define ARMV8_PMCR_N_SHIFT 11 /* Number of counters supported */
+#define ARMV8_PMCR_N_MASK 0x1f
+#define ARMV8_PMCR_MASK 0x3f /* Mask for writable bits */
+
+/*
+ * PMOVSR: counters overflow flag status reg
+ */
+#define ARMV8_OVSR_MASK 0xffffffff /* Mask for writable bits */
+#define ARMV8_OVERFLOWED_MASK ARMV8_OVSR_MASK
+
+
+enum ARM_TYPE {
+ CORTEX_A53 = 0xD03,
+ CORTEX_A35 = 0xD04,
+ CORTEX_A57 = 0xD07,
+ CORTEX_A72 = 0xD08,
+ CORTEX_A73 = 0xD09,
+ CHIP_UNKNOWN = 0xFFF
+};
+
+struct chip_pmu {
+ enum ARM_TYPE type;
+ struct pmu_desc *desc;
+ unsigned int count;
+ const char *cpu_name;
+};
+
+static struct chip_pmu chips[] = {
+ {CORTEX_A53, a53_pmu_desc, A53_PMU_DESC_COUNT, "Cortex-A7L"},
+ {CORTEX_A35, a53_pmu_desc, A53_PMU_DESC_COUNT, "Cortex-A35"},
+ {CORTEX_A57, a53_pmu_desc, A53_PMU_DESC_COUNT, "Cortex-A57"},
+ {CORTEX_A72, a53_pmu_desc, A53_PMU_DESC_COUNT, "Cortex-A72"},
+ {CORTEX_A73, a53_pmu_desc, A53_PMU_DESC_COUNT, "Cortex-A73"},
+};
+static struct chip_pmu chip_unknown = { CHIP_UNKNOWN, NULL, 0, "Unknown CPU" };
+
+#define CHIP_PMU_COUNT (sizeof(chips) / sizeof(struct chip_pmu))
+
+static struct chip_pmu *chip;
+
+static enum ARM_TYPE armv8_get_ic(void)
+{
+ unsigned int value;
+ /* Read Main ID Register */
+ asm("mrs %0, midr_el1":"=r"(value));
+
+ value = (value & 0xffff) >> 4; /* primary part number */
+ return value;
+}
+
+static inline void armv8_pmu_counter_select(unsigned int idx)
+{
+ asm volatile ("msr pmselr_el0, %0"::"r" (idx));
+ isb();
+}
+
+static inline void armv8_pmu_type_select(unsigned int idx, unsigned int type)
+{
+ armv8_pmu_counter_select(idx);
+ asm volatile ("msr pmxevtyper_el0, %0"::"r" (type));
+}
+
+static inline unsigned int armv8_pmu_read_count(unsigned int idx)
+{
+ unsigned int value;
+
+ if (idx == 31) {
+ asm volatile ("mrs %0, pmccntr_el0":"=r" (value));
+ } else {
+ armv8_pmu_counter_select(idx);
+ asm volatile ("mrs %0, pmxevcntr_el0":"=r" (value));
+ }
+ return value;
+}
+
+static inline void armv8_pmu_write_count(int idx, u32 value)
+{
+ if (idx == 31) {
+ asm volatile ("msr pmccntr_el0, %0"::"r" (value));
+ } else {
+ armv8_pmu_counter_select(idx);
+ asm volatile ("msr pmxevcntr_el0, %0"::"r" (value));
+ }
+}
+
+static inline void armv8_pmu_enable_count(unsigned int idx)
+{
+ asm volatile ("msr pmcntenset_el0, %0"::"r" (1 << idx));
+}
+
+static inline void armv8_pmu_disable_count(unsigned int idx)
+{
+ asm volatile ("msr pmcntenclr_el0, %0"::"r" (1 << idx));
+}
+
+static inline void armv8_pmu_enable_intr(unsigned int idx)
+{
+ asm volatile ("msr pmintenset_el1, %0"::"r" (1 << idx));
+}
+
+static inline void armv8_pmu_disable_intr(unsigned int idx)
+{
+ asm volatile ("msr pmintenclr_el1, %0"::"r" (1 << idx));
+ isb();
+ asm volatile ("msr pmovsclr_el0, %0"::"r" (1 << idx));
+ isb();
+}
+
+static inline unsigned int armv8_pmu_overflow(void)
+{
+ unsigned int val;
+
+ asm volatile ("mrs %0, pmovsclr_el0":"=r" (val)); /* read */
+ val &= ARMV8_OVSR_MASK;
+ asm volatile ("mrs %0, pmovsclr_el0"::"r" (val));
+ return val;
+}
+
+static inline unsigned int armv8_pmu_control_read(void)
+{
+ unsigned int val;
+
+ asm volatile ("mrs %0, pmcr_el0":"=r" (val));
+ return val;
+}
+
+static inline void armv8_pmu_control_write(u32 val)
+{
+ val &= ARMV8_PMCR_MASK;
+ isb();
+ asm volatile ("msr pmcr_el0, %0"::"r" (val));
+}
+
+static int armv8_pmu_hw_get_counters(void)
+{
+ int count = armv8_pmu_control_read();
+ /* N, bits[15:11] */
+ count = ((count >> ARMV8_PMCR_N_SHIFT) & ARMV8_PMCR_N_MASK);
+ return count;
+}
+
+static void armv8_pmu_hw_reset_all(int generic_counters)
+{
+ int i;
+
+ armv8_pmu_control_write(ARMV8_PMCR_C | ARMV8_PMCR_P);
+ /* generic counter */
+ for (i = 0; i < generic_counters; i++) {
+ armv8_pmu_disable_intr(i);
+ armv8_pmu_disable_count(i);
+ }
+ /* cycle counter */
+ armv8_pmu_disable_intr(31);
+ armv8_pmu_disable_count(31);
+ armv8_pmu_overflow(); /* clear overflow */
+}
+
+static int armv8_pmu_hw_get_event_desc(int i, int event, char *event_desc)
+{
+ if (event_desc == NULL)
+ return -1;
+
+ for (i = 0; i < chip->count; i++) {
+ if (chip->desc[i].event == event) {
+ strncpy(event_desc, chip->desc[i].name, MXSIZE_PMU_DESC - 1);
+ break;
+ }
+ }
+ if (i == chip->count)
+ return -1;
+
+ return 0;
+}
+
+static int armv8_pmu_hw_check_event(struct met_pmu *pmu, int idx, int event)
+{
+ int i;
+
+ /* Check if event is duplicate */
+ for (i = 0; i < idx; i++) {
+ if (pmu[i].event == event)
+ break;
+ }
+ if (i < idx) {
+ /* pr_debug("++++++ found duplicate event 0x%02x i=%d\n", event, i); */
+ return -1;
+ }
+
+ for (i = 0; i < chip->count; i++) {
+ if (chip->desc[i].event == event)
+ break;
+ }
+
+ if (i == chip->count)
+ return -1;
+
+ return 0;
+}
+
+static void armv8_pmu_hw_start(struct met_pmu *pmu, int count)
+{
+ int i;
+ int generic = count - 1;
+
+ armv8_pmu_hw_reset_all(generic);
+ for (i = 0; i < generic; i++) {
+ if (pmu[i].mode == MODE_POLLING) {
+ armv8_pmu_type_select(i, pmu[i].event);
+ armv8_pmu_enable_count(i);
+ }
+ }
+ if (pmu[count - 1].mode == MODE_POLLING) { /* cycle counter */
+ armv8_pmu_enable_count(31);
+ }
+ armv8_pmu_control_write(ARMV8_PMCR_E);
+}
+
+static void armv8_pmu_hw_stop(int count)
+{
+ int generic = count - 1;
+
+ armv8_pmu_hw_reset_all(generic);
+}
+
+static unsigned int armv8_pmu_hw_polling(struct met_pmu *pmu, int count, unsigned int *pmu_value)
+{
+ int i, cnt = 0;
+ int generic = count - 1;
+
+ for (i = 0; i < generic; i++) {
+ if (pmu[i].mode == MODE_POLLING) {
+ pmu_value[cnt] = armv8_pmu_read_count(i);
+ cnt++;
+ }
+ }
+ if (pmu[count - 1].mode == MODE_POLLING) {
+ pmu_value[cnt] = armv8_pmu_read_count(31);
+ cnt++;
+ }
+ armv8_pmu_control_write(ARMV8_PMCR_C | ARMV8_PMCR_P | ARMV8_PMCR_E);
+
+ return cnt;
+}
+
+
+struct cpu_pmu_hw armv8_pmu = {
+ .name = "armv8_pmu",
+ .get_event_desc = armv8_pmu_hw_get_event_desc,
+ .check_event = armv8_pmu_hw_check_event,
+ .start = armv8_pmu_hw_start,
+ .stop = armv8_pmu_hw_stop,
+ .polling = armv8_pmu_hw_polling,
+};
+
+struct cpu_pmu_hw *cpu_pmu_hw_init(void)
+{
+ int i;
+ enum ARM_TYPE type;
+
+ type = armv8_get_ic();
+ PR_BOOTMSG("CPU TYPE - v8: %x\n", (unsigned int)type);
+ for (i = 0; i < CHIP_PMU_COUNT; i++) {
+ if (chips[i].type == type) {
+ chip = &(chips[i]);
+ break;
+ }
+ }
+ if (i == CHIP_PMU_COUNT) {
+ chip = &chip_unknown;
+ return NULL;
+ }
+
+ armv8_pmu.nr_cnt = armv8_pmu_hw_get_counters() + 1;
+ armv8_pmu.cpu_name = chip->cpu_name;
+
+ return &armv8_pmu;
+}