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Wed, 17 Aug 2022 11:08:40 -0400 Received: from zero.eik.bme.hu (blah.eik.bme.hu [152.66.115.182]) by localhost (Postfix) with SMTP id 0096C746E07; Wed, 17 Aug 2022 17:08:38 +0200 (CEST) Received: by zero.eik.bme.hu (Postfix, from userid 432) id CF63C74638A; Wed, 17 Aug 2022 17:08:37 +0200 (CEST) Message-Id: In-Reply-To: References: From: BALATON Zoltan Subject: [PATCH v2 19/31] ppc/ppc405: QOM'ify FPGA MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Cc: clg@kaod.org, Daniel Henrique Barboza , Peter Maydell Date: Wed, 17 Aug 2022 17:08:37 +0200 (CEST) X-Spam-Probability: 8% 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=152.66.115.2; envelope-from=balaton@eik.bme.hu; helo=zero.eik.bme.hu X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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" X-ZM-MESSAGEID: 1660749960377100001 From: C=C3=A9dric Le Goater Signed-off-by: C=C3=A9dric Le Goater Signed-off-by: BALATON Zoltan --- hw/ppc/ppc405_boards.c | 56 +++++++++++++++++++++++++++++------------- 1 file changed, 39 insertions(+), 17 deletions(-) diff --git a/hw/ppc/ppc405_boards.c b/hw/ppc/ppc405_boards.c index 3677793adc..7af0d7feef 100644 --- a/hw/ppc/ppc405_boards.c +++ b/hw/ppc/ppc405_boards.c @@ -71,18 +71,23 @@ struct Ppc405MachineState { * - NVRAM (0xF0000000) * - FPGA (0xF0300000) */ -typedef struct ref405ep_fpga_t ref405ep_fpga_t; -struct ref405ep_fpga_t { + +#define TYPE_REF405EP_FPGA "ref405ep-fpga" +OBJECT_DECLARE_SIMPLE_TYPE(Ref405epFpgaState, REF405EP_FPGA); +struct Ref405epFpgaState { + SysBusDevice parent_obj; + + MemoryRegion iomem; + uint8_t reg0; uint8_t reg1; }; =20 static uint64_t ref405ep_fpga_readb(void *opaque, hwaddr addr, unsigned si= ze) { - ref405ep_fpga_t *fpga; + Ref405epFpgaState *fpga =3D opaque; uint32_t ret; =20 - fpga =3D opaque; switch (addr) { case 0x0: ret =3D fpga->reg0; @@ -101,9 +106,8 @@ static uint64_t ref405ep_fpga_readb(void *opaque, hwadd= r addr, unsigned size) static void ref405ep_fpga_writeb(void *opaque, hwaddr addr, uint64_t value, unsigned size) { - ref405ep_fpga_t *fpga; + Ref405epFpgaState *fpga =3D opaque; =20 - fpga =3D opaque; switch (addr) { case 0x0: /* Read only */ @@ -126,27 +130,40 @@ static const MemoryRegionOps ref405ep_fpga_ops =3D { .endianness =3D DEVICE_BIG_ENDIAN, }; =20 -static void ref405ep_fpga_reset (void *opaque) +static void ref405ep_fpga_reset(DeviceState *dev) { - ref405ep_fpga_t *fpga; + Ref405epFpgaState *fpga =3D REF405EP_FPGA(dev); =20 - fpga =3D opaque; fpga->reg0 =3D 0x00; fpga->reg1 =3D 0x0F; } =20 -static void ref405ep_fpga_init(MemoryRegion *sysmem, uint32_t base) +static void ref405ep_fpga_realize(DeviceState *dev, Error **errp) { - ref405ep_fpga_t *fpga; - MemoryRegion *fpga_memory =3D g_new(MemoryRegion, 1); + Ref405epFpgaState *s =3D REF405EP_FPGA(dev); =20 - fpga =3D g_new0(ref405ep_fpga_t, 1); - memory_region_init_io(fpga_memory, NULL, &ref405ep_fpga_ops, fpga, + memory_region_init_io(&s->iomem, OBJECT(s), &ref405ep_fpga_ops, s, "fpga", 0x00000100); - memory_region_add_subregion(sysmem, base, fpga_memory); - qemu_register_reset(&ref405ep_fpga_reset, fpga); + sysbus_init_mmio(SYS_BUS_DEVICE(s), &s->iomem); +} + +static void ref405ep_fpga_class_init(ObjectClass *oc, void *data) +{ + DeviceClass *dc =3D DEVICE_CLASS(oc); + + dc->realize =3D ref405ep_fpga_realize; + dc->reset =3D ref405ep_fpga_reset; + /* Reason: only works as part of a ppc405 board */ + dc->user_creatable =3D false; } =20 +static const TypeInfo ref405ep_fpga_type =3D { + .name =3D TYPE_REF405EP_FPGA, + .parent =3D TYPE_SYS_BUS_DEVICE, + .instance_size =3D sizeof(Ref405epFpgaState), + .class_init =3D ref405ep_fpga_class_init, +}; + /* * CPU reset handler when booting directly from a loaded kernel */ @@ -331,7 +348,11 @@ static void ref405ep_init(MachineState *machine) memory_region_add_subregion(get_system_memory(), PPC405EP_SRAM_BASE, s= ram); =20 /* Register FPGA */ - ref405ep_fpga_init(get_system_memory(), PPC405EP_FPGA_BASE); + dev =3D qdev_new(TYPE_REF405EP_FPGA); + object_property_add_child(OBJECT(machine), "fpga", OBJECT(dev)); + sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); + sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, PPC405EP_FPGA_BASE); + /* Register NVRAM */ dev =3D qdev_new("sysbus-m48t08"); qdev_prop_set_int32(dev, "base-year", 1968); @@ -376,6 +397,7 @@ static void ppc405_machine_init(void) { type_register_static(&ppc405_machine_type); type_register_static(&ref405ep_type); + type_register_static(&ref405ep_fpga_type); } =20 type_init(ppc405_machine_init) --=20 2.30.4