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Fri, 04 Jul 2025 09:57:36 -0700 (PDT) From: Jackson Donaldson X-Google-Original-From: Jackson Donaldson To: qemu-devel@nongnu.org Cc: peter.maydell@linaro.org Subject: [PATCH v3 07/11] MAX78000: Add GCR to SOC Date: Fri, 4 Jul 2025 12:57:25 -0400 Message-Id: <20250704165729.208381-8-jcksn@duck.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250704165729.208381-1-jcksn@duck.com> References: <20250704165729.208381-1-jcksn@duck.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=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::f36; envelope-from=jackson88044@gmail.com; helo=mail-qv1-xf36.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=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 @gmail.com) X-ZM-MESSAGEID: 1751648309496116600 Content-Type: text/plain; charset="utf-8" This commit adds the Global Control Register to max78000_soc Signed-off-by: Jackson Donaldson Reviewed-by: Peter Maydell --- hw/arm/max78000_soc.c | 22 ++++++++++++++++++++-- include/hw/arm/max78000_soc.h | 2 ++ 2 files changed, 22 insertions(+), 2 deletions(-) diff --git a/hw/arm/max78000_soc.c b/hw/arm/max78000_soc.c index 2f93ab882d..eddd9616f0 100644 --- a/hw/arm/max78000_soc.c +++ b/hw/arm/max78000_soc.c @@ -30,6 +30,8 @@ static void max78000_soc_initfn(Object *obj) =20 object_initialize_child(obj, "armv7m", &s->armv7m, TYPE_ARMV7M); =20 + object_initialize_child(obj, "gcr", &s->gcr, TYPE_MAX78000_GCR); + for (i =3D 0; i < MAX78000_NUM_ICC; i++) { g_autofree char *name =3D g_strdup_printf("icc%d", i); object_initialize_child(obj, name, &s->icc[i], TYPE_MAX78000_ICC); @@ -48,7 +50,7 @@ static void max78000_soc_realize(DeviceState *dev_soc, Er= ror **errp) { MAX78000State *s =3D MAX78000_SOC(dev_soc); MemoryRegion *system_memory =3D get_system_memory(); - DeviceState *dev, *armv7m; + DeviceState *dev, *gcrdev, *armv7m; SysBusDevice *busdev; Error *err =3D NULL; int i; @@ -69,6 +71,11 @@ static void max78000_soc_realize(DeviceState *dev_soc, E= rror **errp) =20 memory_region_init_ram(&s->sram, NULL, "MAX78000.sram", SRAM_SIZE, &err); + + gcrdev =3D DEVICE(&s->gcr); + object_property_set_link(OBJECT(gcrdev), "sram", OBJECT(&s->sram), + &err); + if (err !=3D NULL) { error_propagate(errp, err); return; @@ -94,12 +101,14 @@ static void max78000_soc_realize(DeviceState *dev_soc,= Error **errp) return; } =20 + for (i =3D 0; i < MAX78000_NUM_ICC; i++) { dev =3D DEVICE(&(s->icc[i])); sysbus_realize(SYS_BUS_DEVICE(dev), errp); sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, max78000_icc_addr[i]); } =20 + for (i =3D 0; i < MAX78000_NUM_UART; i++) { dev =3D DEVICE(&(s->uart[i])); qdev_prop_set_chr(dev, "chardev", serial_hd(i)); @@ -107,13 +116,22 @@ static void max78000_soc_realize(DeviceState *dev_soc= , Error **errp) return; } =20 + g_autofree char *link =3D g_strdup_printf("uart%d", i); + object_property_set_link(OBJECT(gcrdev), link, OBJECT(dev), + &err); + busdev =3D SYS_BUS_DEVICE(dev); sysbus_mmio_map(busdev, 0, max78000_uart_addr[i]); sysbus_connect_irq(busdev, 0, qdev_get_gpio_in(armv7m, max78000_uart_irq[i= ])); } =20 - create_unimplemented_device("globalControl", 0x40000000, 0x400); + dev =3D DEVICE(&s->gcr); + sysbus_realize(SYS_BUS_DEVICE(dev), errp); + sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, 0x40000000); + + + create_unimplemented_device("systemInterface", 0x40000400, 0x400); create_unimplemented_device("functionControl", 0x40000800, 0x400); create_unimplemented_device("watchdogTimer0", 0x40003000, 0x400); diff --git a/include/hw/arm/max78000_soc.h b/include/hw/arm/max78000_soc.h index 57894f0035..919aca0855 100644 --- a/include/hw/arm/max78000_soc.h +++ b/include/hw/arm/max78000_soc.h @@ -11,6 +11,7 @@ =20 #include "hw/or-irq.h" #include "hw/arm/armv7m.h" +#include "hw/misc/max78000_gcr.h" #include "hw/misc/max78000_icc.h" #include "hw/char/max78000_uart.h" #include "qom/object.h" @@ -35,6 +36,7 @@ struct MAX78000State { MemoryRegion sram; MemoryRegion flash; =20 + Max78000GcrState gcr; Max78000IccState icc[MAX78000_NUM_ICC]; Max78000UartState uart[MAX78000_NUM_UART]; =20 --=20 2.34.1