From patchwork Thu May 27 05:21:14 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yoshinori Sato X-Patchwork-Id: 1484433 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4FrGYs6kmgz9sT6 for ; Thu, 27 May 2021 15:28:16 +1000 (AEST) Received: from localhost ([::1]:51984 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lm8Z3-0002xO-OK for incoming@patchwork.ozlabs.org; Thu, 27 May 2021 01:28:13 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:56902) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lm8Sj-0008S0-0X for qemu-devel@nongnu.org; Thu, 27 May 2021 01:21:41 -0400 Received: from mail01.asahi-net.or.jp ([202.224.55.13]:58620) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lm8Sc-00064b-2X for qemu-devel@nongnu.org; Thu, 27 May 2021 01:21:40 -0400 Received: from sakura.ysato.name (ik1-413-38519.vs.sakura.ne.jp [153.127.30.23]) (Authenticated sender: PQ4Y-STU) by mail01.asahi-net.or.jp (Postfix) with ESMTPA id 7AB7D11D366; Thu, 27 May 2021 14:21:30 +0900 (JST) Received: from yo-satoh-debian.localdomain (y245018.dynamic.ppp.asahi-net.or.jp [118.243.245.18]) by sakura.ysato.name (Postfix) with ESMTPSA id E18F31C064D; Thu, 27 May 2021 14:21:29 +0900 (JST) From: Yoshinori Sato To: qemu-devel@nongnu.org Subject: [PATCH 03/11] hw/timer: Renesas TMU/CMT module. Date: Thu, 27 May 2021 14:21:14 +0900 Message-Id: <20210527052122.97103-4-ysato@users.sourceforge.jp> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210527052122.97103-1-ysato@users.sourceforge.jp> References: <20210527052122.97103-1-ysato@users.sourceforge.jp> MIME-Version: 1.0 Received-SPF: softfail client-ip=202.224.55.13; envelope-from=ysato@users.sourceforge.jp; helo=mail01.asahi-net.or.jp X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_SOFTFAIL=0.665 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Yoshinori Sato Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" TMU - SH4 Timer module. CMT - Compare and match timer used by some Renesas MCUs. The two modules have similar interfaces and have been merged. Signed-off-by: Yoshinori Sato --- include/hw/timer/renesas_timer.h | 96 +++++ hw/timer/renesas_timer.c | 644 +++++++++++++++++++++++++++++++ hw/timer/Kconfig | 3 + hw/timer/meson.build | 1 + 4 files changed, 744 insertions(+) create mode 100644 include/hw/timer/renesas_timer.h create mode 100644 hw/timer/renesas_timer.c diff --git a/include/hw/timer/renesas_timer.h b/include/hw/timer/renesas_timer.h new file mode 100644 index 0000000000..d71feec54e --- /dev/null +++ b/include/hw/timer/renesas_timer.h @@ -0,0 +1,96 @@ +/* + * Renesas Timer unit Object + * + * Copyright (c) 2020 Yoshinori Sato + * + * This code is licensed under the GPL version 2 or later. + * + */ + +#ifndef HW_RENESAS_TIMER_H +#define HW_RENESAS_TIMER_H + +#include "hw/sysbus.h" +#include "hw/qdev-clock.h" + +#define TYPE_RENESAS_TIMER_BASE "renesas-timer" +OBJECT_DECLARE_TYPE(RenesasTimerBaseState, RenesasTimerBaseClass, + RENESAS_TIMER_BASE) +#define TYPE_RENESAS_CMT "renesas-cmt" +OBJECT_DECLARE_TYPE(RenesasCMTState, RenesasCMTClass, + RENESAS_CMT) +#define TYPE_RENESAS_TMU "renesas-tmu" +OBJECT_DECLARE_TYPE(RenesasTMUState, RenesasTMUClass, + RENESAS_TMU) + +enum { + TIMER_CH_CMT = 2, + TIMER_CH_TMU = 3, +}; + +enum { + CMT_NR_IRQ = 1 * TIMER_CH_CMT, +}; + +struct RenesasTimerBaseState; + +enum dirction { + countup, countdown, +}; + +struct rtimer_ch { + uint32_t cnt; + uint32_t cor; + uint16_t ctrl; + qemu_irq irq; + int64_t base; + int64_t next; + uint64_t clk; + bool start; + QEMUTimer *timer; + struct RenesasTimerBaseState *tmrp; +}; + +typedef struct RenesasTimerBaseState { + SysBusDevice parent_obj; + + uint64_t input_freq; + MemoryRegion memory; + Clock *pck; + + struct rtimer_ch ch[TIMER_CH_TMU]; + int num_ch; + enum dirction direction; + int unit; +} RenesasTimerBaseState; + +typedef struct RenesasCMTState { + RenesasTimerBaseState parent_obj; +} RenesasCMTState; + +typedef struct RenesasTMUState { + RenesasTimerBaseState parent_obj; + uint8_t tocr; + MemoryRegion memory_p4; + MemoryRegion memory_a7; +} RenesasTMUState; + +typedef struct RenesasTimerBaseClass { + SysBusDeviceClass parent; + int (*divrate)(RenesasTimerBaseState *tmr, int ch); + void (*timer_event)(void *opaque); + int64_t (*delta_to_tcnt)(RenesasTimerBaseState *tmr, int ch, int64_t delta); + int64_t (*get_next)(RenesasTimerBaseState *tmr, int ch); + void (*update_clk)(RenesasTimerBaseState *tmr, int ch); +} RenesasTimerBaseClass; + +typedef struct RenesasCMTClass { + RenesasTimerBaseClass parent; +} RenesasCMTClass; + +typedef struct RenesasTMUClass { + RenesasTimerBaseClass parent; + void (*p_update_clk)(RenesasTimerBaseState *tmr, int ch); +} RenesasTMUClass; + +#endif diff --git a/hw/timer/renesas_timer.c b/hw/timer/renesas_timer.c new file mode 100644 index 0000000000..b1224e1e6b --- /dev/null +++ b/hw/timer/renesas_timer.c @@ -0,0 +1,644 @@ +/* + * Renesas 16bit/32bit Compare-match timer (CMT/TMU) + * + * Datasheet: RX62N Group, RX621 Group User's Manual: Hardware + * (Rev.1.40 R01UH0033EJ0140) + * And SH7751 Group, SH7751R Group User's Manual: Hardware + * (Rev.4.01 R01UH0457EJ0401) + * + * Copyright (c) 2021 Yoshinori Sato + * + * SPDX-License-Identifier: GPL-2.0-or-later + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2 or later, as published by the Free Software Foundation. + * + * This program is distributed in the hope 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. + * + * You should have received a copy of the GNU General Public License along with + * this program. If not, see . + */ + +#include "qemu/osdep.h" +#include "qemu-common.h" +#include "qemu/log.h" +#include "qapi/error.h" +#include "qemu/timer.h" +#include "hw/hw.h" +#include "hw/irq.h" +#include "hw/sysbus.h" +#include "hw/registerfields.h" +#include "hw/qdev-properties.h" +#include "hw/timer/renesas_timer.h" +#include "migration/vmstate.h" +#include "qemu/error-report.h" + +REG32(TOCR, 0) + FIELD(TOCR, TCOE, 0, 1) +REG32(CMSTR, 0) +REG32(TSTR, 4) +REG32(TCOR, 8) +REG32(TCNT, 12) +REG32(TCR, 16) + FIELD(TCR, TPSC, 0, 3) + FIELD(TCR, CKEG, 3, 2) + FIELD(TCR, UNIE, 5, 1) + FIELD(TCR, ICPE, 6, 2) + FIELD(TCR, UNF, 8, 1) + FIELD(TCR, ICPF, 9, 1) +REG32(CMCR, 16) + FIELD(CMCR, CKS, 0, 2) + FIELD(CMCR, CMIE, 6, 1) +REG32(TCPR, 20) + +static int cmt_div(RenesasTimerBaseState *tmr, int ch) +{ + return 8 << (2 * FIELD_EX16(tmr->ch[ch].ctrl, CMCR, CKS)); +} + +static int tmu_div(RenesasTimerBaseState *tmr, int ch) +{ + if (FIELD_EX16(tmr->ch[ch].ctrl, TCR, TPSC) <= 5) { + return 4 << (2 * FIELD_EX16(tmr->ch[ch].ctrl, TCR, TPSC)); + } else { + return 0; + } + +} + +static int64_t cmt_get_next(RenesasTimerBaseState *tmr, int ch) +{ + return tmr->ch[ch].cor - tmr->ch[ch].cnt; +} + +static int64_t tmu_get_next(RenesasTimerBaseState *tmr, int ch) +{ + return tmr->ch[ch].cnt; +} + +static void cmt_timer_event(void *opaque) +{ + struct rtimer_ch *ch = opaque; + ch->cnt = 0; + if (FIELD_EX16(ch->ctrl, CMCR, CMIE)) { + qemu_irq_pulse(ch->irq); + } + ch->base = ch->next; + ch->next += (ch->cor - ch->cnt) * ch->clk; + timer_mod(ch->timer, ch->next); +} + +static void tmu_timer_event(void *opaque) +{ + struct rtimer_ch *ch = opaque; + ch->cnt = ch->cor; + if (!FIELD_EX16(ch->ctrl, TCR, UNF)) { + ch->ctrl = FIELD_DP16(ch->ctrl, TCR, UNF, 1); + qemu_set_irq(ch->irq, FIELD_EX16(ch->ctrl, TCR, UNIE)); + } + ch->base = ch->next; + ch->next += ch->cnt * ch->clk; + timer_mod(ch->timer, ch->next); +} + +static int64_t cmt_delta_to_cnt(RenesasTimerBaseState *tmr, + int ch, int64_t delta) +{ + return tmr->ch[ch].cnt + delta; +} + +static int64_t tmu_delta_to_cnt(RenesasTimerBaseState *tmr, + int ch, int64_t delta) +{ + return tmr->ch[ch].cnt - delta; +} + +static int64_t read_tcnt(RenesasTimerBaseState *tmr, int ch) +{ + int64_t delta, now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); + RenesasTimerBaseClass *tc = RENESAS_TIMER_BASE_GET_CLASS(tmr); + + if (tmr->ch[ch].clk > 0) { + delta = (now - tmr->ch[ch].base); + delta /= tmr->ch[ch].clk; + return tc->delta_to_tcnt(tmr, ch, delta); + } else { + return tmr->ch[ch].cnt; + } +} + +static void tmr_start_stop(RenesasTimerBaseState *tmr, int ch, int start) +{ + RenesasTimerBaseClass *tc = RENESAS_TIMER_BASE_GET_CLASS(tmr); + int64_t now; + if (tmr->ch[ch].start != start) { + now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); + if (start) { + if (!tmr->ch[ch].timer) { + tmr->ch[ch].timer = + timer_new_ns(QEMU_CLOCK_VIRTUAL, + tc->timer_event, &tmr->ch[ch]); + } + tmr->ch[ch].base = now; + tmr->ch[ch].next = now + tc->get_next(tmr, ch) * tmr->ch[ch].clk; + timer_mod(tmr->ch[ch].timer, tmr->ch[ch].next); + } else { + tmr->ch[ch].cnt = read_tcnt(tmr, ch); + tmr->ch[ch].next = 0; + if (tmr->ch[ch].timer) { + timer_del(tmr->ch[ch].timer); + } + } + tmr->ch[ch].start = start; + } +} + +static uint64_t read_tstr(RenesasTimerBaseState *tmr) +{ + uint64_t ret = 0; + int ch; + for (ch = 0; ch < tmr->num_ch; ch++) { + ret = deposit64(ret, ch, 1, tmr->ch[ch].start); + } + return ret; +} + +static void update_clk(RenesasTimerBaseState *tmr, int ch) +{ + RenesasTimerBaseClass *tc = RENESAS_TIMER_BASE_GET_CLASS(tmr); + int t; + t = tc->divrate(tmr, ch); + if (t > 0) { + t = tmr->input_freq / t; + tmr->ch[ch].clk = NANOSECONDS_PER_SECOND / t; + } else { + tmr->ch[ch].clk = 0; + } +} + +static void tmu_update_clk(RenesasTimerBaseState *tmr, int ch) +{ + /* Clock setting validation */ + int tpsc = FIELD_EX16(tmr->ch[ch].ctrl, TCR, TPSC); + switch (tpsc) { + case 5: + qemu_log_mask(LOG_GUEST_ERROR, + "renesas_timer: Invalid TPSC valule %d.\n", tpsc); + break; + case 6: + case 7: + qemu_log_mask(LOG_UNIMP, + "renesas_timer: External clock not implemented.\n"); + break; + } + /* Interrupt clear */ + if (FIELD_EX16(tmr->ch[ch].ctrl, TCR, UNF) == 0) { + qemu_set_irq(tmr->ch[ch].irq, 0); + } + update_clk(tmr, ch); +} + +static uint64_t channel_read(RenesasTimerBaseState *tmr, int ch, int reg) +{ + switch (reg) { + case R_TCR: + return tmr->ch[ch].ctrl; + case R_TCNT: + if (tmr->ch[ch].start) { + return read_tcnt(tmr, ch); + } else { + return tmr->ch[ch].cnt; + } + case R_TCOR: + return tmr->ch[ch].cor; + } + return UINT64_MAX; +} + +static void tmr_pck_update(void *opaque, ClockEvent evt) +{ + RenesasTimerBaseState *tmr = RENESAS_TIMER_BASE(opaque); + int64_t now; + int i; + struct rtimer_ch *ch; + for (i = 0; i < TIMER_CH_CMT; i++) { + if (tmr->ch[i].start) { + tmr->ch[i].cnt = read_tcnt(tmr, i); + } + } + if (clock_is_enabled(tmr->pck)) { + tmr->input_freq = clock_get_hz(tmr->pck); + now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); + for (i = 0; i < TIMER_CH_CMT; i++) { + update_clk(tmr, i); + ch = &tmr->ch[i]; + if (ch->start) { + ch->next = ch->base = now; + if (tmr->direction == countup) { + ch->next += (ch->cor - ch->cnt) * ch->clk; + } else { + ch->next += ch->cnt * ch->clk; + } + timer_mod(ch->timer, ch->next); + } + } + } else { + for (i = 0; i < TIMER_CH_CMT; i++) { + if (tmr->ch[i].timer) { + timer_del(tmr->ch[i].timer); + } + } + } +} + +static uint64_t cmt_read(void *opaque, hwaddr addr, unsigned size) +{ + RenesasCMTState *cmt = RENESAS_CMT(opaque); + RenesasTimerBaseState *tmr = RENESAS_TIMER_BASE(cmt); + int ch, reg; + + /* +0 - CMSTR (TSTR) */ + /* +2 - CMCR0 (TCR) */ + /* +4 - CMCNT0 (TCNT) */ + /* +6 - CMCOR0 (TCOR) */ + /* +8 - CMCR1 (TCR) */ + /* +10 - CMCNT1 (TCNT) */ + /* +12 - CMCOR1 (TCOR) */ + if (!clock_is_enabled(tmr->pck)) { + qemu_log_mask(LOG_UNIMP, "renesas_timer: Unit %d stopped.\n", + tmr->unit); + return UINT64_MAX; + } + addr /= 2; + if (addr == R_CMSTR) { + return read_tstr(RENESAS_TIMER_BASE(cmt)); + } else { + ch = addr / 4; + if (addr < 4) { + /* skip CMSTR */ + addr--; + } + reg = 2 - (addr % 4); + return channel_read(RENESAS_TIMER_BASE(cmt), ch, reg); + } +} + +static uint64_t tmu_read(void *opaque, hwaddr addr, unsigned size) +{ + RenesasTMUState *tmu = RENESAS_TMU(opaque); + RenesasTimerBaseState *tmr = RENESAS_TIMER_BASE(tmu); + int ch = -1, reg = -1; + + /* +0 - TCOR */ + /* +4 - TSTR */ + /* +8 - TCOR0 */ + /* +12 - TCNT0 */ + /* +16 - TCR0 */ + /* +20 - TCOR1 */ + /* +24 - TCNT1 */ + /* +28 - TCR1 */ + /* +32 - TCOR2 */ + /* +36 - TCNT2 */ + /* +40 - TCR2 */ + /* +44 - TCPR2 */ + + if (tmr->unit != 0 && addr >= 32) { + /* UNIT1 channel2 is not exit */ + qemu_log_mask(LOG_UNIMP, "renesas_timer: Register 0x%" + HWADDR_PRIX " not implemented\n", addr); + return UINT64_MAX; + } + if (!clock_is_enabled(tmr->pck)) { + qemu_log_mask(LOG_UNIMP, "renesas_timer: Unit %d stopped.\n", + tmr->unit); + return UINT64_MAX; + } + addr /= 4; + switch (addr) { + case R_TOCR: + return tmu->tocr; + case R_TSTR: + return read_tstr(RENESAS_TIMER_BASE(tmu)); + case R_TCPR: + qemu_log_mask(LOG_UNIMP, + "renesas_timer: Input capture not implemented.\n"); + return UINT64_MAX; + default: + ch = (addr - 2) / 3; + reg = (addr - 2) % 3 + 2; + return channel_read(RENESAS_TIMER_BASE(tmu), ch, reg); + } +} + +static void write_tstr(RenesasTimerBaseState *tmr, uint16_t val) +{ + int ch; + for (ch = 0; ch < tmr->num_ch; ch++) { + tmr_start_stop(tmr, ch, extract16(val, ch, 1)); + } +} + +static void write_tcr(RenesasTimerBaseState *tmr, int ch, + uint16_t val, uint16_t mask) +{ + RenesasTimerBaseClass *tc = RENESAS_TIMER_BASE_GET_CLASS(tmr); + tmr->ch[ch].ctrl |= (mask & 0x00ff); + tmr->ch[ch].ctrl &= val & mask; + tc->update_clk(tmr, ch); +} + +static void channel_write(RenesasTimerBaseState *tmr, int ch, + int reg, uint64_t val) +{ + switch (reg) { + case R_TCNT: + tmr->ch[ch].cnt = val; + break; + case R_TCOR: + tmr->ch[ch].cor = val; + break; + } +} + +static void cmt_write(void *opaque, hwaddr addr, uint64_t val, unsigned size) +{ + RenesasTimerBaseState *tmr = RENESAS_TIMER_BASE(opaque); + int ch, reg; + uint32_t next_timeout; + uint16_t cnt; + + if (!clock_is_enabled(tmr->pck)) { + qemu_log_mask(LOG_UNIMP, "renesas_timer: Unit %d stopped.\n", + tmr->unit); + return; + } + addr /= 2; + if (addr == R_CMSTR) { + write_tstr(tmr, val); + } else { + ch = addr / 4; + if (addr < 4) { + /* skip CMSTR */ + addr--; + } + reg = (2 - (addr % 4)) + 2; + if (reg == R_TCR) { + /* bit7 always 1 */ + val |= 0x0080; + write_tcr(RENESAS_TIMER_BASE(tmr), ch, val, 0x0043); + } else { + channel_write(RENESAS_TIMER_BASE(tmr), ch, reg, val); + if (tmr->ch[ch].start) { + if (reg == R_TCNT) { + cnt = tmr->ch[ch].cnt; + } else { + cnt = read_tcnt(tmr, ch); + } + if (tmr->ch[ch].cor < cnt) { + next_timeout = 0x10000 + tmr->ch[ch].cor - cnt; + } else { + next_timeout = tmr->ch[ch].cor - cnt; + } + tmr->ch[ch].next = tmr->ch[ch].base + + next_timeout * tmr->ch[ch].clk; + timer_mod(tmr->ch[ch].timer, tmr->ch[ch].next); + } + } + } +} + +static void tmu_write(void *opaque, hwaddr addr, uint64_t val, unsigned size) +{ + RenesasTMUState *tmu = RENESAS_TMU(opaque); + RenesasTimerBaseState *tmr = RENESAS_TIMER_BASE(tmu); + + int ch, reg; + uint16_t tcr_mask; + + if (tmr->unit != 0 && addr >= 32) { + /* UNIT1 channel2 is not exit */ + qemu_log_mask(LOG_UNIMP, "renesas_timer: Register 0x%" + HWADDR_PRIX " not implemented\n", addr); + return; + } + if (!clock_is_enabled(tmr->pck)) { + qemu_log_mask(LOG_UNIMP, "renesas_timer: Unit %d stopped.\n", + tmr->unit); + return; + } + addr /= 4; + switch (addr) { + case R_TOCR: + tmu->tocr = FIELD_DP8(tmu->tocr, TOCR, TCOE, + FIELD_EX8(val, TOCR, TCOE)); + break; + case R_TSTR: + write_tstr(tmr, val); + break; + case R_TCPR: + qemu_log_mask(LOG_GUEST_ERROR, + "renesas_timer: TCPR is read only.\n"); + break; + default: + ch = (addr - 2) / 3; + reg = (addr - 2) % 3 + 2; + if (reg == R_TCR) { + if (tmr->unit == 0) { + tcr_mask = (ch < 2) ? 0x013f : 0x03ff; + } else { + tcr_mask = 0x0127; + } + write_tcr(tmr, ch, val, tcr_mask); + } else { + channel_write(tmr, ch, reg, val); + if (reg == R_TCNT && tmr->ch[ch].start) { + tmr->ch[ch].next = tmr->ch[ch].base + + tmr->ch[ch].cnt * tmr->ch[ch].clk; + timer_mod(tmr->ch[ch].timer, tmr->ch[ch].next); + } + } + break; + } +} + +static const MemoryRegionOps cmt_ops = { + .write = cmt_write, + .read = cmt_read, + .endianness = DEVICE_NATIVE_ENDIAN, + .impl = { + .min_access_size = 2, + .max_access_size = 2, + }, +}; + +static const MemoryRegionOps tmu_ops = { + .write = tmu_write, + .read = tmu_read, + .endianness = DEVICE_NATIVE_ENDIAN, + .impl = { + .min_access_size = 2, + .max_access_size = 4, + }, +}; + +static void timer_base_realize(RenesasTimerBaseState *tmr, int num_ch) +{ + tmr->num_ch = num_ch; +} + +static void cmt_realize(DeviceState *dev, Error **errp) +{ + RenesasCMTState *cmt = RENESAS_CMT(dev); + RenesasTimerBaseState *tmr = RENESAS_TIMER_BASE(cmt); + int i; + + timer_base_realize(tmr, TIMER_CH_CMT); + + for (i = 0; i < TIMER_CH_CMT; i++) { + tmr->ch[i].cor = 0xffff; + if (clock_is_enabled(tmr->pck)) { + update_clk(tmr, i); + } + } +} + +static void cmt_init(Object *obj) +{ + SysBusDevice *d = SYS_BUS_DEVICE(obj); + RenesasCMTState *cmt = RENESAS_CMT(obj); + RenesasTimerBaseState *tmr = RENESAS_TIMER_BASE(cmt); + int i; + + tmr->direction = countup; + memory_region_init_io(&tmr->memory, obj, &cmt_ops, + tmr, "renesas-cmt", 0x10); + sysbus_init_mmio(d, &tmr->memory); + + for (i = 0; i < TIMER_CH_CMT; i++) { + sysbus_init_irq(d, &tmr->ch[i].irq); + } + tmr->pck = qdev_init_clock_in(DEVICE(obj), "pck", + tmr_pck_update, tmr, ClockUpdate); +} + +static void tmu_realize(DeviceState *dev, Error **errp) +{ + SysBusDevice *d = SYS_BUS_DEVICE(dev); + RenesasTMUState *tmu = RENESAS_TMU(dev); + RenesasTimerBaseState *tmr = RENESAS_TIMER_BASE(tmu); + int i; + int num_ch; + + /* Unit0 have 3ch, Unit1 have 2ch */ + num_ch = TIMER_CH_TMU - tmr->unit; + timer_base_realize(tmr, num_ch); + for (i = 0; i < num_ch; i++) { + sysbus_init_irq(d, &tmr->ch[i].irq); + tmr->ch[i].cor = tmr->ch[i].cnt = 0xffffffff; + if (clock_is_enabled(tmr->pck)) { + update_clk(tmr, i); + } + } +} + +static void tmu_init(Object *obj) +{ + SysBusDevice *d = SYS_BUS_DEVICE(obj); + RenesasTimerBaseState *tmr = RENESAS_TIMER_BASE(obj); + RenesasTMUState *tmu = RENESAS_TMU(obj); + + tmr->direction = countdown; + memory_region_init_io(&tmr->memory, obj, &tmu_ops, + tmr, "renesas-tmu", 0x30); + sysbus_init_mmio(d, &tmr->memory); + memory_region_init_alias(&tmu->memory_p4, NULL, "renesas-tmu-p4", + &tmr->memory, 0, 0x30); + sysbus_init_mmio(d, &tmu->memory_p4); + memory_region_init_alias(&tmu->memory_a7, NULL, "renesas-tmu-a7", + &tmr->memory, 0, 0x30); + sysbus_init_mmio(d, &tmu->memory_a7); + tmr->pck = qdev_init_clock_in(DEVICE(obj), "pck", + tmr_pck_update, tmr, ClockUpdate); +} + +static const VMStateDescription vmstate_rtimer = { + .name = "rx-cmt", + .version_id = 1, + .minimum_version_id = 1, + .fields = (VMStateField[]) { + VMSTATE_END_OF_LIST() + } +}; + +static Property renesas_timer_properties[] = { + DEFINE_PROP_INT32("unit", RenesasTimerBaseState, unit, 0), + DEFINE_PROP_END_OF_LIST(), +}; + +static void renesas_timer_base_class_init(ObjectClass *klass, void *data) +{ + RenesasTimerBaseClass *base = RENESAS_TIMER_BASE_CLASS(klass); + DeviceClass *dc = DEVICE_CLASS(klass); + + dc->vmsd = &vmstate_rtimer; + base->update_clk = update_clk; + device_class_set_props(dc, renesas_timer_properties); +} + +static void cmt_class_init(ObjectClass *klass, void *data) +{ + RenesasTimerBaseClass *base = RENESAS_TIMER_BASE_CLASS(klass); + DeviceClass *dc = DEVICE_CLASS(klass); + + base->divrate = cmt_div; + base->timer_event = cmt_timer_event; + base->delta_to_tcnt = cmt_delta_to_cnt; + base->get_next = cmt_get_next; + dc->realize = cmt_realize; +} + +static void tmu_class_init(ObjectClass *klass, void *data) +{ + RenesasTimerBaseClass *base = RENESAS_TIMER_BASE_CLASS(klass); + DeviceClass *dc = DEVICE_CLASS(klass); + + base->divrate = tmu_div; + base->timer_event = tmu_timer_event; + base->delta_to_tcnt = tmu_delta_to_cnt; + base->get_next = tmu_get_next; + base->update_clk = tmu_update_clk; + dc->realize = tmu_realize; +} + +static const TypeInfo renesas_timer_info[] = { + { + .name = TYPE_RENESAS_TIMER_BASE, + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(RenesasTimerBaseState), + .class_init = renesas_timer_base_class_init, + .class_size = sizeof(RenesasTimerBaseClass), + .abstract = true, + }, + { + .name = TYPE_RENESAS_CMT, + .parent = TYPE_RENESAS_TIMER_BASE, + .instance_size = sizeof(RenesasCMTState), + .instance_init = cmt_init, + .class_init = cmt_class_init, + .class_size = sizeof(RenesasCMTClass), + }, + { + .name = TYPE_RENESAS_TMU, + .parent = TYPE_RENESAS_TIMER_BASE, + .instance_size = sizeof(RenesasTMUState), + .instance_init = tmu_init, + .class_init = tmu_class_init, + .class_size = sizeof(RenesasTMUClass), + }, +}; + +DEFINE_TYPES(renesas_timer_info) diff --git a/hw/timer/Kconfig b/hw/timer/Kconfig index bac2511715..347add12dd 100644 --- a/hw/timer/Kconfig +++ b/hw/timer/Kconfig @@ -54,3 +54,6 @@ config SSE_TIMER config AVR_TIMER16 bool + +config RENESAS_TIMER + bool diff --git a/hw/timer/meson.build b/hw/timer/meson.build index 157f540ecd..9019dce993 100644 --- a/hw/timer/meson.build +++ b/hw/timer/meson.build @@ -33,5 +33,6 @@ softmmu_ss.add(when: 'CONFIG_SSE_COUNTER', if_true: files('sse-counter.c')) softmmu_ss.add(when: 'CONFIG_SSE_TIMER', if_true: files('sse-timer.c')) softmmu_ss.add(when: 'CONFIG_STM32F2XX_TIMER', if_true: files('stm32f2xx_timer.c')) softmmu_ss.add(when: 'CONFIG_XILINX', if_true: files('xilinx_timer.c')) +softmmu_ss.add(when: 'CONFIG_RENESAS_TIMER', if_true: files('renesas_timer.c')) specific_ss.add(when: 'CONFIG_AVR_TIMER16', if_true: files('avr_timer16.c'))