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Wed, 05 Aug 2026 08:30:16 -0700 (PDT) From: Simon Xu To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, Owen Giles , Peter Maydell , Pierrick Bouvier , Robert Elliott , Simon Xu Subject: [PATCH v2 7/9] hw/misc/iotkit-sysinfo.c: add SSE-310 support Date: Wed, 5 Aug 2026 10:30:03 -0500 Message-ID: <20260805153005.9989-8-simonxhy0404@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260805153005.9989-1-simonxhy0404@gmail.com> References: <20260805153005.9989-1-simonxhy0404@gmail.com> 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=lists1p.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::234; envelope-from=simonxhy0404@gmail.com; helo=mail-oi1-x234.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 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_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 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: 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 @gmail.com) X-ZM-MESSAGEID: 1785943933128158500 Content-Type: text/plain; charset="utf-8" Add SSE-310 PIDR and CIDR registers. Add sys_config2 register and always report 0 on read as we do not implement the NPU. Reviewed-by: Owen Giles Reviewed-by: Robert Elliott Signed-off-by: Simon Xu Reviewed-by: Peter Maydell --- v1 -> v2 Hard code sys_config2 to return 0 as we don't implement NPU0 --- hw/misc/iotkit-sysinfo.c | 22 +++++++++++++++++++++- 1 file changed, 21 insertions(+), 1 deletion(-) diff --git a/hw/misc/iotkit-sysinfo.c b/hw/misc/iotkit-sysinfo.c index 19f089e6ee..f3d07f3247 100644 --- a/hw/misc/iotkit-sysinfo.c +++ b/hw/misc/iotkit-sysinfo.c @@ -31,6 +31,7 @@ REG32(SYS_VERSION, 0x0) REG32(SYS_CONFIG, 0x4) REG32(SYS_CONFIG1, 0x8) +REG32(SYS_CONFIG2, 0xc) REG32(IIDR, 0xfc8) REG32(PID4, 0xfd0) REG32(PID5, 0xfd4) @@ -58,6 +59,12 @@ static const int sysinfo_sse300_id[] =3D { 0x0d, 0xf0, 0x05, 0xb1, /* CID0..CID3 */ }; =20 +static const int sysinfo_sse310_id[] =3D { + 0x04, 0x00, 0x00, 0x00, /* PID4..PID7 */ + 0x58, 0xb8, 0x2b, 0x00, /* PID0..PID3 */ + 0x0d, 0xf0, 0x05, 0xb1, /* CID0..CID3 */ +}; + static uint64_t iotkit_sysinfo_read(void *opaque, hwaddr offset, unsigned size) { @@ -68,13 +75,22 @@ static uint64_t iotkit_sysinfo_read(void *opaque, hwadd= r offset, case A_SYS_VERSION: r =3D s->sys_version; break; - case A_SYS_CONFIG: r =3D s->sys_config; break; case A_SYS_CONFIG1: switch (s->sse_version) { case ARMSSE_SSE300: + case ARMSSE_SSE310: + return 0; + break; + default: + goto bad_read; + } + break; + case A_SYS_CONFIG2: + switch (s->sse_version) { + case ARMSSE_SSE310: return 0; break; default: @@ -84,6 +100,7 @@ static uint64_t iotkit_sysinfo_read(void *opaque, hwaddr= offset, case A_IIDR: switch (s->sse_version) { case ARMSSE_SSE300: + case ARMSSE_SSE310: return s->iidr; break; default: @@ -95,6 +112,9 @@ static uint64_t iotkit_sysinfo_read(void *opaque, hwaddr= offset, case ARMSSE_SSE300: r =3D sysinfo_sse300_id[(offset - A_PID4) / 4]; break; + case ARMSSE_SSE310: + r =3D sysinfo_sse310_id[(offset - A_PID4) / 4]; + break; default: r =3D sysinfo_id[(offset - A_PID4) / 4]; break; --=20 2.53.0