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Thu, 12 Jun 2025 17:04:22 -0700 (PDT) Date: Fri, 13 Jun 2025 00:03:59 +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: <20250613000411.1516521-8-komlodi@google.com> Subject: [PATCH 07/19] hw/i3c/aspeed_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::64a; envelope-from=3BmtLaAcKClM59769y319916z.x97Bz7F-yzGz689818F.9C1@flex--komlodi.bounces.google.com; helo=mail-pl1-x64a.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=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: 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: 1749773392220116600 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Adds read-only register masks for the Aspeed I3C controller registers. Signed-off-by: Joe Komlodi Reviewed-by: Patrick Venture --- hw/i3c/aspeed_i3c.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/hw/i3c/aspeed_i3c.c b/hw/i3c/aspeed_i3c.c index 7a16dfec53..1ad25e5a00 100644 --- a/hw/i3c/aspeed_i3c.c +++ b/hw/i3c/aspeed_i3c.c @@ -74,6 +74,21 @@ REG32(I3C6_REG1, 0x64) FIELD(I3C6_REG1, SA_EN, 15, 1) FIELD(I3C6_REG1, INST_ID, 16, 4) =20 +static const uint32_t ast2600_i3c_controller_ro[ASPEED_I3C_NR_REGS] =3D { + [R_I3C1_REG0] =3D 0xfc000000, + [R_I3C1_REG1] =3D 0xfff00000, + [R_I3C2_REG0] =3D 0xfc000000, + [R_I3C2_REG1] =3D 0xfff00000, + [R_I3C3_REG0] =3D 0xfc000000, + [R_I3C3_REG1] =3D 0xfff00000, + [R_I3C4_REG0] =3D 0xfc000000, + [R_I3C4_REG1] =3D 0xfff00000, + [R_I3C5_REG0] =3D 0xfc000000, + [R_I3C5_REG1] =3D 0xfff00000, + [R_I3C6_REG0] =3D 0xfc000000, + [R_I3C6_REG1] =3D 0xfff00000, +}; + static uint64_t aspeed_i3c_read(void *opaque, hwaddr addr, unsigned int si= ze) { AspeedI3CState *s =3D ASPEED_I3C(opaque); @@ -97,6 +112,7 @@ static void aspeed_i3c_write(void *opaque, =20 addr >>=3D 2; =20 + data &=3D ~ast2600_i3c_controller_ro[addr]; /* I3C controller register */ switch (addr) { case R_I3C1_REG1: --=20 2.50.0.rc1.591.g9c95f17f64-goog