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[44.242.66.180]) by smtp.gmail.com with ESMTPSA id cq6sm5074158edb.1.2021.07.06.03.25.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 06 Jul 2021 03:25:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=W/JuhvKQLOnsIlTO9avFmh0xmJK3sQ76sT8oXdcL4bE=; b=iiN8l1Fb4GHIFNMpF/TKUKCbEA7CuLsdTfvm2ps2EHac70HawujaflDLaOAA4Bg71w W6chgNsuN2z1Tq4Hhyxt7RYwwgnJorD5TpHVzsMYoOHLx/ev0IhYVUkaQmk4izQOHaxp hH3ILaCXE9qUuUGpgm8pmTl0FYr1ev/M8fyqTNl8AEXle2XW/YDaa9Uq/KRjC/PCBjdm 7v8xlo2tfqwIvHXoQnns0+ji7dWhJ6LAP6CgFrGvbzZ9zVl9S8LbNFl45zdYGJuo/Q02 ZFrMT9l7SIVuq4WDHF6KaEAJ+OKL1W/2Pfkob0viVLHPqU19/2kS+L/OHz9po7rkXCtE oHyw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=W/JuhvKQLOnsIlTO9avFmh0xmJK3sQ76sT8oXdcL4bE=; b=LhBKDOViaBU6YZwOkXHKx0u+ljh16hzxUn5gAaZvigzjT+T8FEQFbWR2BrgO5MxYwJ ej3iOt8IknSV9X+Zw7z658G+zZPYMnrP79zbuPtQueWK5NDGviM0RCZQkcQ+2vHklvqO IsbufqEkb92eOTZw91LywfQnKq3NACo9d+ywvhSoj2/S7CxauI0IzmG8oPE0NPAMIvMf HWFaDkjRnIA9DaXjQNKHiF0Rb20xVzbWgmegtZmEs6RV2DK7ks8uAUU69QbTFl1Txfia iDc1BYnjqXCTIGvky66pOuOPn6x5gxhJxjeM6VX20uB52BmmhsARq7Tm3UUGVMi3K+R3 tQrA== X-Gm-Message-State: AOAM530dB8DdTxuqsv3ay5BdLymSBjrkcITJttcbFtj0J1NviTSlkwZl KvaHzlS1MHMm0DUYqIy/SQ2gVl9joN4= X-Google-Smtp-Source: ABdhPJxQl7lILzUz+6bTtWO32MUhRK0dca/1gmMkJtWS9i2NfTzZbIXG+oJdTMmwBfnbi7eO3gLtSA== X-Received: by 2002:a17:906:1701:: with SMTP id c1mr17866292eje.425.1625567143806; Tue, 06 Jul 2021 03:25:43 -0700 (PDT) From: Bin Meng To: Alistair Francis , qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [PATCH] hw/riscv: sifive_u: Correct the CLINT timebase frequency Date: Tue, 6 Jul 2021 18:26:16 +0800 Message-Id: <20210706102616.1922469-1-bmeng.cn@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::62d; envelope-from=bmeng.cn@gmail.com; helo=mail-ej1-x62d.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham 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: Bin Meng Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1625568603813100001 Content-Type: text/plain; charset="utf-8" From: Bin Meng At present the CLINT timebase frequency is set to 10MHz on sifive_u, but on the real hardware the timebase frequency is 1Mhz. Signed-off-by: Bin Meng Reviewed-by: Alistair Francis --- hw/riscv/sifive_u.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/hw/riscv/sifive_u.c b/hw/riscv/sifive_u.c index 273c86418c..e75ca38783 100644 --- a/hw/riscv/sifive_u.c +++ b/hw/riscv/sifive_u.c @@ -62,6 +62,9 @@ =20 #include =20 +/* CLINT timebase frequency */ +#define CLINT_TIMEBASE_FREQ 1000000 + static const MemMapEntry sifive_u_memmap[] =3D { [SIFIVE_U_DEV_DEBUG] =3D { 0x0, 0x100 }, [SIFIVE_U_DEV_MROM] =3D { 0x1000, 0xf000 }, @@ -165,7 +168,7 @@ static void create_fdt(SiFiveUState *s, const MemMapEnt= ry *memmap, =20 qemu_fdt_add_subnode(fdt, "/cpus"); qemu_fdt_setprop_cell(fdt, "/cpus", "timebase-frequency", - SIFIVE_CLINT_TIMEBASE_FREQ); + CLINT_TIMEBASE_FREQ); qemu_fdt_setprop_cell(fdt, "/cpus", "#size-cells", 0x0); qemu_fdt_setprop_cell(fdt, "/cpus", "#address-cells", 0x1); =20 @@ -847,7 +850,7 @@ static void sifive_u_soc_realize(DeviceState *dev, Erro= r **errp) sifive_clint_create(memmap[SIFIVE_U_DEV_CLINT].base, memmap[SIFIVE_U_DEV_CLINT].size, 0, ms->smp.cpus, SIFIVE_SIP_BASE, SIFIVE_TIMECMP_BASE, SIFIVE_TIME_BASE, - SIFIVE_CLINT_TIMEBASE_FREQ, false); + CLINT_TIMEBASE_FREQ, false); =20 if (!sysbus_realize(SYS_BUS_DEVICE(&s->prci), errp)) { return; --=20 2.25.1