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Thu, 12 Jun 2025 17:04:23 -0700 (PDT) Date: Fri, 13 Jun 2025 00:04:00 +0000 In-Reply-To: <20250613000411.1516521-1-komlodi@google.com> Mime-Version: 1.0 References: <20250613000411.1516521-1-komlodi@google.com> X-Mailer: git-send-email 2.50.0.rc1.591.g9c95f17f64-goog Message-ID: <20250613000411.1516521-9-komlodi@google.com> Subject: [PATCH 08/19] hw/i3c/dw-i3c: Add register RO field masks From: Joe Komlodi To: qemu-devel@nongnu.org Cc: venture@google.com, komlodi@google.com, clg@kaod.org, peter.maydell@linaro.org, steven_lee@aspeedtech.com, leetroy@gmail.com, jamin_lin@aspeedtech.com, andrew@codeconstruct.com.au, joel@jms.id.au, qemu-arm@nongnu.org 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=2607:f8b0:4864:20::549; envelope-from=3B2tLaAcKClQ6A87Az42AA270.yA8C08G-z0H079A929G.AD2@flex--komlodi.bounces.google.com; helo=mail-pg1-x549.google.com X-Spam_score_int: -95 X-Spam_score: -9.6 X-Spam_bar: --------- X-Spam_report: (-9.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_MED=-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, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, USER_IN_DEF_DKIM_WL=-7.5 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: 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 @google.com) X-ZM-MESSAGEID: 1749773101534116600 Content-Transfer-Encoding: quoted-printable 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 --- 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 845fbd5efd..4f40f999f4 100644 --- a/hw/i3c/dw-i3c.c +++ b/hw/i3c/dw-i3c.c @@ -313,6 +313,45 @@ 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); @@ -341,6 +380,7 @@ 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 2.50.0.rc1.591.g9c95f17f64-goog