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bh=j8EyVF26JGcxCBZmSftvoi/p1Ne9x5TBTCuTOiW8dDg=; b=ZeWJ/7oOrWNxNbBWHN2s6egm1GiLHOR8c6yVDXeJgLt2ieOYVn9CRQEkCo9nwRNqSCDEM8Sc0aPRN7gvLr4LbspxWRDFIYoPsOflVeWxXSzkgtN9jjgNoze1nEEbnB8hKpo3GGm9l6JhfnPYzZoz8fOmWq2Yqzq8yg/KRdBz3imT0tmljUDLi5QGYEEu21V1Ya7P1ObXgJ1dAQJdVapjaKzWpB2F0lsuMHxSdpLB49GxzFTmdRUw1sf61Asweh/pJA83JrQ0JI8CjCAv34QwUXyk5FdbZCQqoo3DFtviHt4XaJAyFcin8vhTWvvRtQKDxOp43AEoNiUgQhr0NqMLwA== From: Jamin Lin To: Paolo Bonzini , Peter Maydell , =?iso-8859-1?Q?C=E9dric_Le_Goater?= , Steven Lee , Troy Lee , Andrew Jeffery , Joel Stanley , =?iso-8859-1?Q?Marc-Andr=E9_Lureau?= , =?iso-8859-1?Q?Daniel_P=2E_Berrang=E9?= , =?iso-8859-1?Q?Philippe_Mathieu-Daud=E9?= , "open list:All patches CC here" , "open list:ARM TCG CPUs" CC: Jamin Lin , Troy Lee , Kane Chen , "nabihestefan@google.com" , Joe Komlodi , Patrick Venture Subject: [PATCH v4 08/20] hw/i3c/dw-i3c: Add register RO field masks Thread-Topic: [PATCH v4 08/20] hw/i3c/dw-i3c: Add register RO field masks Thread-Index: AQHcmaTNOFrHPIKG2kC2jQcdKOcekg== Date: Mon, 9 Feb 2026 09:16:42 +0000 Message-ID: <20260209091629.823457-9-jamin_lin@aspeedtech.com> References: <20260209091629.823457-1-jamin_lin@aspeedtech.com> In-Reply-To: <20260209091629.823457-1-jamin_lin@aspeedtech.com> Accept-Language: zh-TW, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=aspeedtech.com; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a01:111:f403:c405::7; envelope-from=jamin_lin@aspeedtech.com; helo=TYDPR03CU002.outbound.protection.outlook.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, 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: 2.1.29 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 @aspeedtech.com) X-ZM-MESSAGEID: 1770628711647154101 Content-Type: text/plain; charset="utf-8" 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 --- 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 7bb33c7a9e..02fa9b3c00 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 2.43.0