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-rw-r--r--hw/misc/npcm7xx_mft.c540
1 files changed, 540 insertions, 0 deletions
diff --git a/hw/misc/npcm7xx_mft.c b/hw/misc/npcm7xx_mft.c
new file mode 100644
index 0000000000..a30583a1b0
--- /dev/null
+++ b/hw/misc/npcm7xx_mft.c
@@ -0,0 +1,540 @@
+/*
+ * Nuvoton NPCM7xx MFT Module
+ *
+ * Copyright 2021 Google LLC
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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 "qemu/osdep.h"
+#include "hw/irq.h"
+#include "hw/qdev-clock.h"
+#include "hw/qdev-properties.h"
+#include "hw/misc/npcm7xx_mft.h"
+#include "hw/misc/npcm7xx_pwm.h"
+#include "hw/registerfields.h"
+#include "migration/vmstate.h"
+#include "qapi/error.h"
+#include "qapi/visitor.h"
+#include "qemu/bitops.h"
+#include "qemu/error-report.h"
+#include "qemu/log.h"
+#include "qemu/module.h"
+#include "qemu/timer.h"
+#include "qemu/units.h"
+#include "trace.h"
+
+/*
+ * Some of the registers can only accessed via 16-bit ops and some can only
+ * be accessed via 8-bit ops. However we mark all of them using REG16 to
+ * simplify implementation. npcm7xx_mft_check_mem_op checks the access length
+ * of memory operations.
+ */
+REG16(NPCM7XX_MFT_CNT1, 0x00);
+REG16(NPCM7XX_MFT_CRA, 0x02);
+REG16(NPCM7XX_MFT_CRB, 0x04);
+REG16(NPCM7XX_MFT_CNT2, 0x06);
+REG16(NPCM7XX_MFT_PRSC, 0x08);
+REG16(NPCM7XX_MFT_CKC, 0x0a);
+REG16(NPCM7XX_MFT_MCTRL, 0x0c);
+REG16(NPCM7XX_MFT_ICTRL, 0x0e);
+REG16(NPCM7XX_MFT_ICLR, 0x10);
+REG16(NPCM7XX_MFT_IEN, 0x12);
+REG16(NPCM7XX_MFT_CPA, 0x14);
+REG16(NPCM7XX_MFT_CPB, 0x16);
+REG16(NPCM7XX_MFT_CPCFG, 0x18);
+REG16(NPCM7XX_MFT_INASEL, 0x1a);
+REG16(NPCM7XX_MFT_INBSEL, 0x1c);
+
+/* Register Fields */
+#define NPCM7XX_MFT_CKC_C2CSEL BIT(3)
+#define NPCM7XX_MFT_CKC_C1CSEL BIT(0)
+
+#define NPCM7XX_MFT_MCTRL_TBEN BIT(6)
+#define NPCM7XX_MFT_MCTRL_TAEN BIT(5)
+#define NPCM7XX_MFT_MCTRL_TBEDG BIT(4)
+#define NPCM7XX_MFT_MCTRL_TAEDG BIT(3)
+#define NPCM7XX_MFT_MCTRL_MODE5 BIT(2)
+
+#define NPCM7XX_MFT_ICTRL_TFPND BIT(5)
+#define NPCM7XX_MFT_ICTRL_TEPND BIT(4)
+#define NPCM7XX_MFT_ICTRL_TDPND BIT(3)
+#define NPCM7XX_MFT_ICTRL_TCPND BIT(2)
+#define NPCM7XX_MFT_ICTRL_TBPND BIT(1)
+#define NPCM7XX_MFT_ICTRL_TAPND BIT(0)
+
+#define NPCM7XX_MFT_ICLR_TFCLR BIT(5)
+#define NPCM7XX_MFT_ICLR_TECLR BIT(4)
+#define NPCM7XX_MFT_ICLR_TDCLR BIT(3)
+#define NPCM7XX_MFT_ICLR_TCCLR BIT(2)
+#define NPCM7XX_MFT_ICLR_TBCLR BIT(1)
+#define NPCM7XX_MFT_ICLR_TACLR BIT(0)
+
+#define NPCM7XX_MFT_IEN_TFIEN BIT(5)
+#define NPCM7XX_MFT_IEN_TEIEN BIT(4)
+#define NPCM7XX_MFT_IEN_TDIEN BIT(3)
+#define NPCM7XX_MFT_IEN_TCIEN BIT(2)
+#define NPCM7XX_MFT_IEN_TBIEN BIT(1)
+#define NPCM7XX_MFT_IEN_TAIEN BIT(0)
+
+#define NPCM7XX_MFT_CPCFG_GET_B(rv) extract8((rv), 4, 4)
+#define NPCM7XX_MFT_CPCFG_GET_A(rv) extract8((rv), 0, 4)
+#define NPCM7XX_MFT_CPCFG_HIEN BIT(3)
+#define NPCM7XX_MFT_CPCFG_EQEN BIT(2)
+#define NPCM7XX_MFT_CPCFG_LOEN BIT(1)
+#define NPCM7XX_MFT_CPCFG_CPSEL BIT(0)
+
+#define NPCM7XX_MFT_INASEL_SELA BIT(0)
+#define NPCM7XX_MFT_INBSEL_SELB BIT(0)
+
+/* Max CNT values of the module. The CNT value is a countdown from it. */
+#define NPCM7XX_MFT_MAX_CNT 0xFFFF
+
+/* Each fan revolution should generated 2 pulses */
+#define NPCM7XX_MFT_PULSE_PER_REVOLUTION 2
+
+typedef enum NPCM7xxMFTCaptureState {
+ /* capture succeeded with a valid CNT value. */
+ NPCM7XX_CAPTURE_SUCCEED,
+ /* capture stopped prematurely due to reaching CPCFG condition. */
+ NPCM7XX_CAPTURE_COMPARE_HIT,
+ /* capture fails since it reaches underflow condition for CNT. */
+ NPCM7XX_CAPTURE_UNDERFLOW,
+} NPCM7xxMFTCaptureState;
+
+static void npcm7xx_mft_reset(NPCM7xxMFTState *s)
+{
+ int i;
+
+ /* Only registers PRSC ~ INBSEL need to be reset. */
+ for (i = R_NPCM7XX_MFT_PRSC; i <= R_NPCM7XX_MFT_INBSEL; ++i) {
+ s->regs[i] = 0;
+ }
+}
+
+static void npcm7xx_mft_clear_interrupt(NPCM7xxMFTState *s, uint8_t iclr)
+{
+ /*
+ * Clear bits in ICTRL where corresponding bits in iclr is 1.
+ * Both iclr and ictrl are 8-bit regs. (See npcm7xx_mft_check_mem_op)
+ */
+ s->regs[R_NPCM7XX_MFT_ICTRL] &= ~iclr;
+}
+
+/*
+ * If the CPCFG's condition should be triggered during count down from
+ * NPCM7XX_MFT_MAX_CNT to src if compared to tgt, return the count when
+ * the condition is triggered.
+ * Otherwise return -1.
+ * Since tgt is uint16_t it must always <= NPCM7XX_MFT_MAX_CNT.
+ */
+static int npcm7xx_mft_compare(int32_t src, uint16_t tgt, uint8_t cpcfg)
+{
+ if (cpcfg & NPCM7XX_MFT_CPCFG_HIEN) {
+ return NPCM7XX_MFT_MAX_CNT;
+ }
+ if ((cpcfg & NPCM7XX_MFT_CPCFG_EQEN) && (src <= tgt)) {
+ return tgt;
+ }
+ if ((cpcfg & NPCM7XX_MFT_CPCFG_LOEN) && (tgt > 0) && (src < tgt)) {
+ return tgt - 1;
+ }
+
+ return -1;
+}
+
+/* Compute CNT according to corresponding fan's RPM. */
+static NPCM7xxMFTCaptureState npcm7xx_mft_compute_cnt(
+ Clock *clock, uint32_t max_rpm, uint32_t duty, uint16_t tgt,
+ uint8_t cpcfg, uint16_t *cnt)
+{
+ uint32_t rpm = (uint64_t)max_rpm * (uint64_t)duty / NPCM7XX_PWM_MAX_DUTY;
+ int32_t count;
+ int stopped;
+ NPCM7xxMFTCaptureState state;
+
+ if (rpm == 0) {
+ /*
+ * If RPM = 0, capture won't happen. CNT will continue count down.
+ * So it's effective equivalent to have a cnt > NPCM7XX_MFT_MAX_CNT
+ */
+ count = NPCM7XX_MFT_MAX_CNT + 1;
+ } else {
+ /*
+ * RPM = revolution/min. The time for one revlution (in ns) is
+ * MINUTE_TO_NANOSECOND / RPM.
+ */
+ count = clock_ns_to_ticks(clock, (60 * NANOSECONDS_PER_SECOND) /
+ (rpm * NPCM7XX_MFT_PULSE_PER_REVOLUTION));
+ }
+
+ if (count > NPCM7XX_MFT_MAX_CNT) {
+ count = -1;
+ } else {
+ /* The CNT is a countdown value from NPCM7XX_MFT_MAX_CNT. */
+ count = NPCM7XX_MFT_MAX_CNT - count;
+ }
+ stopped = npcm7xx_mft_compare(count, tgt, cpcfg);
+ if (stopped == -1) {
+ if (count == -1) {
+ /* Underflow */
+ state = NPCM7XX_CAPTURE_UNDERFLOW;
+ } else {
+ state = NPCM7XX_CAPTURE_SUCCEED;
+ }
+ } else {
+ count = stopped;
+ state = NPCM7XX_CAPTURE_COMPARE_HIT;
+ }
+
+ if (count != -1) {
+ *cnt = count;
+ }
+ trace_npcm7xx_mft_rpm(clock->canonical_path, clock_get_hz(clock),
+ state, count, rpm, duty);
+ return state;
+}
+
+/*
+ * Capture Fan RPM and update CNT and CR registers accordingly.
+ * Raise IRQ if certain contidions are met in IEN.
+ */
+static void npcm7xx_mft_capture(NPCM7xxMFTState *s)
+{
+ int irq_level = 0;
+ NPCM7xxMFTCaptureState state;
+ int sel;
+ uint8_t cpcfg;
+
+ /*
+ * If not mode 5, the behavior is undefined. We just do nothing in this
+ * case.
+ */
+ if (!(s->regs[R_NPCM7XX_MFT_MCTRL] & NPCM7XX_MFT_MCTRL_MODE5)) {
+ return;
+ }
+
+ /* Capture input A. */
+ if (s->regs[R_NPCM7XX_MFT_MCTRL] & NPCM7XX_MFT_MCTRL_TAEN &&
+ s->regs[R_NPCM7XX_MFT_CKC] & NPCM7XX_MFT_CKC_C1CSEL) {
+ sel = s->regs[R_NPCM7XX_MFT_INASEL] & NPCM7XX_MFT_INASEL_SELA;
+ cpcfg = NPCM7XX_MFT_CPCFG_GET_A(s->regs[R_NPCM7XX_MFT_CPCFG]);
+ state = npcm7xx_mft_compute_cnt(s->clock_1,
+ sel ? s->max_rpm[2] : s->max_rpm[0],
+ sel ? s->duty[2] : s->duty[0],
+ s->regs[R_NPCM7XX_MFT_CPA],
+ cpcfg,
+ &s->regs[R_NPCM7XX_MFT_CNT1]);
+ switch (state) {
+ case NPCM7XX_CAPTURE_SUCCEED:
+ /* Interrupt on input capture on TAn transition - TAPND */
+ s->regs[R_NPCM7XX_MFT_CRA] = s->regs[R_NPCM7XX_MFT_CNT1];
+ s->regs[R_NPCM7XX_MFT_ICTRL] |= NPCM7XX_MFT_ICTRL_TAPND;
+ if (s->regs[R_NPCM7XX_MFT_IEN] & NPCM7XX_MFT_IEN_TAIEN) {
+ irq_level = 1;
+ }
+ break;
+
+ case NPCM7XX_CAPTURE_COMPARE_HIT:
+ /* Compare Hit - TEPND */
+ s->regs[R_NPCM7XX_MFT_ICTRL] |= NPCM7XX_MFT_ICTRL_TEPND;
+ if (s->regs[R_NPCM7XX_MFT_IEN] & NPCM7XX_MFT_IEN_TEIEN) {
+ irq_level = 1;
+ }
+ break;
+
+ case NPCM7XX_CAPTURE_UNDERFLOW:
+ /* Underflow - TCPND */
+ s->regs[R_NPCM7XX_MFT_ICTRL] |= NPCM7XX_MFT_ICTRL_TCPND;
+ if (s->regs[R_NPCM7XX_MFT_IEN] & NPCM7XX_MFT_IEN_TCIEN) {
+ irq_level = 1;
+ }
+ break;
+
+ default:
+ g_assert_not_reached();
+ }
+ }
+
+ /* Capture input B. */
+ if (s->regs[R_NPCM7XX_MFT_MCTRL] & NPCM7XX_MFT_MCTRL_TBEN &&
+ s->regs[R_NPCM7XX_MFT_CKC] & NPCM7XX_MFT_CKC_C2CSEL) {
+ sel = s->regs[R_NPCM7XX_MFT_INBSEL] & NPCM7XX_MFT_INBSEL_SELB;
+ cpcfg = NPCM7XX_MFT_CPCFG_GET_B(s->regs[R_NPCM7XX_MFT_CPCFG]);
+ state = npcm7xx_mft_compute_cnt(s->clock_2,
+ sel ? s->max_rpm[3] : s->max_rpm[1],
+ sel ? s->duty[3] : s->duty[1],
+ s->regs[R_NPCM7XX_MFT_CPB],
+ cpcfg,
+ &s->regs[R_NPCM7XX_MFT_CNT2]);
+ switch (state) {
+ case NPCM7XX_CAPTURE_SUCCEED:
+ /* Interrupt on input capture on TBn transition - TBPND */
+ s->regs[R_NPCM7XX_MFT_CRB] = s->regs[R_NPCM7XX_MFT_CNT2];
+ s->regs[R_NPCM7XX_MFT_ICTRL] |= NPCM7XX_MFT_ICTRL_TBPND;
+ if (s->regs[R_NPCM7XX_MFT_IEN] & NPCM7XX_MFT_IEN_TBIEN) {
+ irq_level = 1;
+ }
+ break;
+
+ case NPCM7XX_CAPTURE_COMPARE_HIT:
+ /* Compare Hit - TFPND */
+ s->regs[R_NPCM7XX_MFT_ICTRL] |= NPCM7XX_MFT_ICTRL_TFPND;
+ if (s->regs[R_NPCM7XX_MFT_IEN] & NPCM7XX_MFT_IEN_TFIEN) {
+ irq_level = 1;
+ }
+ break;
+
+ case NPCM7XX_CAPTURE_UNDERFLOW:
+ /* Underflow - TDPND */
+ s->regs[R_NPCM7XX_MFT_ICTRL] |= NPCM7XX_MFT_ICTRL_TDPND;
+ if (s->regs[R_NPCM7XX_MFT_IEN] & NPCM7XX_MFT_IEN_TDIEN) {
+ irq_level = 1;
+ }
+ break;
+
+ default:
+ g_assert_not_reached();
+ }
+ }
+
+ trace_npcm7xx_mft_capture(DEVICE(s)->canonical_path, irq_level);
+ qemu_set_irq(s->irq, irq_level);
+}
+
+/* Update clock for counters. */
+static void npcm7xx_mft_update_clock(void *opaque, ClockEvent event)
+{
+ NPCM7xxMFTState *s = NPCM7XX_MFT(opaque);
+ uint64_t prescaled_clock_period;
+
+ prescaled_clock_period = clock_get(s->clock_in) *
+ (s->regs[R_NPCM7XX_MFT_PRSC] + 1ULL);
+ trace_npcm7xx_mft_update_clock(s->clock_in->canonical_path,
+ s->regs[R_NPCM7XX_MFT_CKC],
+ clock_get(s->clock_in),
+ prescaled_clock_period);
+ /* Update clock 1 */
+ if (s->regs[R_NPCM7XX_MFT_CKC] & NPCM7XX_MFT_CKC_C1CSEL) {
+ /* Clock is prescaled. */
+ clock_update(s->clock_1, prescaled_clock_period);
+ } else {
+ /* Clock stopped. */
+ clock_update(s->clock_1, 0);
+ }
+ /* Update clock 2 */
+ if (s->regs[R_NPCM7XX_MFT_CKC] & NPCM7XX_MFT_CKC_C2CSEL) {
+ /* Clock is prescaled. */
+ clock_update(s->clock_2, prescaled_clock_period);
+ } else {
+ /* Clock stopped. */
+ clock_update(s->clock_2, 0);
+ }
+
+ npcm7xx_mft_capture(s);
+}
+
+static uint64_t npcm7xx_mft_read(void *opaque, hwaddr offset, unsigned size)
+{
+ NPCM7xxMFTState *s = NPCM7XX_MFT(opaque);
+ uint16_t value = 0;
+
+ switch (offset) {
+ case A_NPCM7XX_MFT_ICLR:
+ qemu_log_mask(LOG_GUEST_ERROR,
+ "%s: register @ 0x%04" HWADDR_PRIx " is write-only\n",
+ __func__, offset);
+ break;
+
+ default:
+ value = s->regs[offset / 2];
+ }
+
+ trace_npcm7xx_mft_read(DEVICE(s)->canonical_path, offset, value);
+ return value;
+}
+
+static void npcm7xx_mft_write(void *opaque, hwaddr offset,
+ uint64_t v, unsigned size)
+{
+ NPCM7xxMFTState *s = NPCM7XX_MFT(opaque);
+
+ trace_npcm7xx_mft_write(DEVICE(s)->canonical_path, offset, v);
+ switch (offset) {
+ case A_NPCM7XX_MFT_ICLR:
+ npcm7xx_mft_clear_interrupt(s, v);
+ break;
+
+ case A_NPCM7XX_MFT_CKC:
+ case A_NPCM7XX_MFT_PRSC:
+ s->regs[offset / 2] = v;
+ npcm7xx_mft_update_clock(s, ClockUpdate);
+ break;
+
+ default:
+ s->regs[offset / 2] = v;
+ npcm7xx_mft_capture(s);
+ break;
+ }
+}
+
+static bool npcm7xx_mft_check_mem_op(void *opaque, hwaddr offset,
+ unsigned size, bool is_write,
+ MemTxAttrs attrs)
+{
+ switch (offset) {
+ /* 16-bit registers. Must be accessed with 16-bit read/write.*/
+ case A_NPCM7XX_MFT_CNT1:
+ case A_NPCM7XX_MFT_CRA:
+ case A_NPCM7XX_MFT_CRB:
+ case A_NPCM7XX_MFT_CNT2:
+ case A_NPCM7XX_MFT_CPA:
+ case A_NPCM7XX_MFT_CPB:
+ return size == 2;
+
+ /* 8-bit registers. Must be accessed with 8-bit read/write.*/
+ case A_NPCM7XX_MFT_PRSC:
+ case A_NPCM7XX_MFT_CKC:
+ case A_NPCM7XX_MFT_MCTRL:
+ case A_NPCM7XX_MFT_ICTRL:
+ case A_NPCM7XX_MFT_ICLR:
+ case A_NPCM7XX_MFT_IEN:
+ case A_NPCM7XX_MFT_CPCFG:
+ case A_NPCM7XX_MFT_INASEL:
+ case A_NPCM7XX_MFT_INBSEL:
+ return size == 1;
+
+ default:
+ /* Invalid registers. */
+ return false;
+ }
+}
+
+static void npcm7xx_mft_get_max_rpm(Object *obj, Visitor *v, const char *name,
+ void *opaque, Error **errp)
+{
+ visit_type_uint32(v, name, (uint32_t *)opaque, errp);
+}
+
+static void npcm7xx_mft_set_max_rpm(Object *obj, Visitor *v, const char *name,
+ void *opaque, Error **errp)
+{
+ NPCM7xxMFTState *s = NPCM7XX_MFT(obj);
+ uint32_t *max_rpm = opaque;
+ uint32_t value;
+
+ if (!visit_type_uint32(v, name, &value, errp)) {
+ return;
+ }
+
+ *max_rpm = value;
+ npcm7xx_mft_capture(s);
+}
+
+static void npcm7xx_mft_duty_handler(void *opaque, int n, int value)
+{
+ NPCM7xxMFTState *s = NPCM7XX_MFT(opaque);
+
+ trace_npcm7xx_mft_set_duty(DEVICE(s)->canonical_path, n, value);
+ s->duty[n] = value;
+ npcm7xx_mft_capture(s);
+}
+
+static const struct MemoryRegionOps npcm7xx_mft_ops = {
+ .read = npcm7xx_mft_read,
+ .write = npcm7xx_mft_write,
+ .endianness = DEVICE_LITTLE_ENDIAN,
+ .valid = {
+ .min_access_size = 1,
+ .max_access_size = 2,
+ .unaligned = false,
+ .accepts = npcm7xx_mft_check_mem_op,
+ },
+};
+
+static void npcm7xx_mft_enter_reset(Object *obj, ResetType type)
+{
+ NPCM7xxMFTState *s = NPCM7XX_MFT(obj);
+
+ npcm7xx_mft_reset(s);
+}
+
+static void npcm7xx_mft_hold_reset(Object *obj)
+{
+ NPCM7xxMFTState *s = NPCM7XX_MFT(obj);
+
+ qemu_irq_lower(s->irq);
+}
+
+static void npcm7xx_mft_init(Object *obj)
+{
+ NPCM7xxMFTState *s = NPCM7XX_MFT(obj);
+ SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
+ DeviceState *dev = DEVICE(obj);
+
+ memory_region_init_io(&s->iomem, obj, &npcm7xx_mft_ops, s,
+ TYPE_NPCM7XX_MFT, 4 * KiB);
+ sysbus_init_mmio(sbd, &s->iomem);
+ sysbus_init_irq(sbd, &s->irq);
+ s->clock_in = qdev_init_clock_in(dev, "clock-in", npcm7xx_mft_update_clock,
+ s, ClockUpdate);
+ s->clock_1 = qdev_init_clock_out(dev, "clock1");
+ s->clock_2 = qdev_init_clock_out(dev, "clock2");
+
+ for (int i = 0; i < NPCM7XX_PWM_PER_MODULE; ++i) {
+ object_property_add(obj, "max_rpm[*]", "uint32",
+ npcm7xx_mft_get_max_rpm,
+ npcm7xx_mft_set_max_rpm,
+ NULL, &s->max_rpm[i]);
+ }
+ qdev_init_gpio_in_named(dev, npcm7xx_mft_duty_handler, "duty",
+ NPCM7XX_MFT_FANIN_COUNT);
+}
+
+static const VMStateDescription vmstate_npcm7xx_mft = {
+ .name = "npcm7xx-mft-module",
+ .version_id = 0,
+ .minimum_version_id = 0,
+ .fields = (VMStateField[]) {
+ VMSTATE_CLOCK(clock_in, NPCM7xxMFTState),
+ VMSTATE_CLOCK(clock_1, NPCM7xxMFTState),
+ VMSTATE_CLOCK(clock_2, NPCM7xxMFTState),
+ VMSTATE_UINT16_ARRAY(regs, NPCM7xxMFTState, NPCM7XX_MFT_NR_REGS),
+ VMSTATE_UINT32_ARRAY(max_rpm, NPCM7xxMFTState, NPCM7XX_MFT_FANIN_COUNT),
+ VMSTATE_UINT32_ARRAY(duty, NPCM7xxMFTState, NPCM7XX_MFT_FANIN_COUNT),
+ VMSTATE_END_OF_LIST(),
+ },
+};
+
+static void npcm7xx_mft_class_init(ObjectClass *klass, void *data)
+{
+ ResettableClass *rc = RESETTABLE_CLASS(klass);
+ DeviceClass *dc = DEVICE_CLASS(klass);
+
+ dc->desc = "NPCM7xx MFT Controller";
+ dc->vmsd = &vmstate_npcm7xx_mft;
+ rc->phases.enter = npcm7xx_mft_enter_reset;
+ rc->phases.hold = npcm7xx_mft_hold_reset;
+}
+
+static const TypeInfo npcm7xx_mft_info = {
+ .name = TYPE_NPCM7XX_MFT,
+ .parent = TYPE_SYS_BUS_DEVICE,
+ .instance_size = sizeof(NPCM7xxMFTState),
+ .class_init = npcm7xx_mft_class_init,
+ .instance_init = npcm7xx_mft_init,
+};
+
+static void npcm7xx_mft_register_type(void)
+{
+ type_register_static(&npcm7xx_mft_info);
+}
+type_init(npcm7xx_mft_register_type);
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-26 12:28:20 +0000