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c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1772733469; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=FafuM0kfPRdGgBBe2UUn28g5e/Q1yO3e0b8qE9HejYY=; b=I5RaUOquazVWHVVoS1IKYqe6dueZBjQdJMWPxt/IX/YsBxcBI6PNvWdndbAlAoGQVrdNU3 MopyF2ndQ/wC9Zy3lssLBOGDsM4lyNEjXoKPjhI5mA8yznnOOPoHgaZkQYd+Ny6oRmftOd yDgTzTa+7UuK1DtwNe9GeDgI6twMXXc= X-MC-Unique: pvRsxkgmPWOU_KbxLyf4cQ-1 X-Mimecast-MFC-AGG-ID: pvRsxkgmPWOU_KbxLyf4cQ_1772733462 From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Cc: Jamin Lin , Joe Komlodi , Patrick Venture , Jithu Joseph , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= Subject: [PULL 10/38] hw/i3c/dw-i3c: Add register RO field masks Date: Thu, 5 Mar 2026 18:56:43 +0100 Message-ID: <20260305175711.1119025-11-clg@redhat.com> In-Reply-To: <20260305175711.1119025-1-clg@redhat.com> References: <20260305175711.1119025-1-clg@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 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=170.10.129.124; envelope-from=clg@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -5 X-Spam_score: -0.6 X-Spam_bar: / X-Spam_report: (-0.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.892, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.622, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1772733520456158500 From: Jamin Lin Adds read-only register masks for the DwC I3C controller. Signed-off-by: Joe Komlodi Reviewed-by: Patrick Venture Reviewed-by: Jamin Lin Signed-off-by: Jamin Lin Tested-by: Jithu Joseph Link: https://lore.kernel.org/qemu-devel/20260225021158.1586584-10-jamin_li= n@aspeedtech.com Signed-off-by: C=C3=A9dric Le Goater --- hw/i3c/dw-i3c.c | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) diff --git a/hw/i3c/dw-i3c.c b/hw/i3c/dw-i3c.c index 28da6016a1ea..87c8f63da96d 100644 --- a/hw/i3c/dw-i3c.c +++ b/hw/i3c/dw-i3c.c @@ -296,6 +296,45 @@ static const uint32_t dw_i3c_resets[DW_I3C_NR_REGS] = =3D { [R_SLAVE_CONFIG] =3D 0x00000023, }; =20 +static const uint32_t dw_i3c_ro[DW_I3C_NR_REGS] =3D { + [R_DEVICE_CTRL] =3D 0x04fffe00, + [R_DEVICE_ADDR] =3D 0x7f807f80, + [R_HW_CAPABILITY] =3D 0xffffffff, + [R_IBI_QUEUE_STATUS] =3D 0xffffffff, + [R_DATA_BUFFER_THLD_CTRL] =3D 0xf8f8f8f8, + [R_IBI_QUEUE_CTRL] =3D 0xfffffff0, + [R_RESET_CTRL] =3D 0xffffffc0, + [R_SLV_EVENT_CTRL] =3D 0xffffff3f, + [R_INTR_STATUS] =3D 0xffff809f, + [R_INTR_STATUS_EN] =3D 0xffff8080, + [R_INTR_SIGNAL_EN] =3D 0xffff8080, + [R_INTR_FORCE] =3D 0xffff8000, + [R_QUEUE_STATUS_LEVEL] =3D 0xffffffff, + [R_DATA_BUFFER_STATUS_LEVEL] =3D 0xffffffff, + [R_PRESENT_STATE] =3D 0xffffffff, + [R_CCC_DEVICE_STATUS] =3D 0xffffffff, + [R_I3C_VER_ID] =3D 0xffffffff, + [R_I3C_VER_TYPE] =3D 0xffffffff, + [R_DEVICE_ADDR_TABLE_POINTER] =3D 0xffffffff, + [R_DEV_CHAR_TABLE_POINTER] =3D 0xffcbffff, + [R_SLV_PID_VALUE] =3D 0xffff0fff, + [R_SLV_CHAR_CTRL] =3D 0xffffffff, + [A_VENDOR_SPECIFIC_REG_POINTER] =3D 0xffffffff, + [R_SLV_MAX_LEN] =3D 0xffffffff, + [R_MAX_READ_TURNAROUND] =3D 0xffffffff, + [R_MAX_DATA_SPEED] =3D 0xffffffff, + [R_SLV_INTR_REQ] =3D 0xfffffff0, + [R_SLV_TSX_SYMBL_TIMING] =3D 0xffffffc0, + [R_DEVICE_CTRL_EXTENDED] =3D 0xfffffff8, + [R_SCL_I3C_OD_TIMING] =3D 0xff00ff00, + [R_SCL_I3C_PP_TIMING] =3D 0xff00ff00, + [R_SCL_I2C_FMP_TIMING] =3D 0xff000000, + [R_SCL_EXT_TERMN_LCNT_TIMING] =3D 0x0000fff0, + [R_BUS_IDLE_TIMING] =3D 0xfff00000, + [R_EXTENDED_CAPABILITY] =3D 0xffffffff, + [R_SLAVE_CONFIG] =3D 0xffffffff, +}; + static uint64_t dw_i3c_read(void *opaque, hwaddr offset, unsigned size) { DWI3C *s =3D DW_I3C(opaque); @@ -324,6 +363,7 @@ static void dw_i3c_write(void *opaque, hwaddr offset, u= int64_t value, =20 trace_dw_i3c_write(s->id, offset, value); =20 + value &=3D ~dw_i3c_ro[addr]; switch (addr) { case R_HW_CAPABILITY: case R_RESPONSE_QUEUE_PORT: --=20 2.53.0