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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=40.107.1.41; envelope-from=ivan.griffin@emdalo.com; helo=EUR02-HE1-obe.outbound.protection.outlook.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/16 13:10:13 X-ACL-Warn: Detected OS = Windows NT kernel [generic] [fuzzy] X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, MSGID_FROM_MTA_HEADER=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_PASS=-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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-trivial@nongnu.org, qemu-riscv@nongnu.org, qemu-devel@nongnu.org, ivan.griffin@emdalo.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @emdalo.onmicrosoft.com) Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Adding the PolarFire SoC IOSCBCTRL memory region to prevent QEMU reporting a STORE/AMO Access Fault. This region is used by the PolarFire SoC port of U-Boot to interact with the FPGA system controller. Signed-off-by: Ivan Griffin Reviewed-by: Alistair Francis --- hw/riscv/microchip_pfsoc.c | 10 ++++++++++ include/hw/riscv/microchip_pfsoc.h | 1 + 2 files changed, 11 insertions(+) diff --git a/hw/riscv/microchip_pfsoc.c b/hw/riscv/microchip_pfsoc.c index 4627179cd3..9aaa276ee2 100644 --- a/hw/riscv/microchip_pfsoc.c +++ b/hw/riscv/microchip_pfsoc.c @@ -97,6 +97,7 @@ static const struct MemmapEntry { [MICROCHIP_PFSOC_GPIO2] =3D { 0x20122000, 0x1000 }, [MICROCHIP_PFSOC_ENVM_CFG] =3D { 0x20200000, 0x1000 }, [MICROCHIP_PFSOC_ENVM_DATA] =3D { 0x20220000, 0x20000 }, + [MICROCHIP_PFSOC_IOSCB_CTRL] =3D { 0x37020000, 0x1000 }, [MICROCHIP_PFSOC_IOSCB_CFG] =3D { 0x37080000, 0x1000 }, [MICROCHIP_PFSOC_DRAM] =3D { 0x80000000, 0x0 }, }; @@ -341,6 +342,15 @@ static void microchip_pfsoc_soc_realize(DeviceState *d= ev, Error **errp) create_unimplemented_device("microchip.pfsoc.ioscb.cfg", memmap[MICROCHIP_PFSOC_IOSCB_CFG].base, memmap[MICROCHIP_PFSOC_IOSCB_CFG].size); + + /* IOSCBCTRL + * + * These registers are not documented in the official documentation + * but used by the polarfire-soc-bare-meta-library code + */ + create_unimplemented_device("microchip.pfsoc.ioscb.ctrl", + memmap[MICROCHIP_PFSOC_IOSCB_CTRL].base, + memmap[MICROCHIP_PFSOC_IOSCB_CTRL].size); } =20 static void microchip_pfsoc_soc_class_init(ObjectClass *oc, void *data) diff --git a/include/hw/riscv/microchip_pfsoc.h b/include/hw/riscv/microchi= p_pfsoc.h index 8bfc7e1a85..3f1874b162 100644 --- a/include/hw/riscv/microchip_pfsoc.h +++ b/include/hw/riscv/microchip_pfsoc.h @@ -95,6 +95,7 @@ enum { MICROCHIP_PFSOC_ENVM_CFG, MICROCHIP_PFSOC_ENVM_DATA, MICROCHIP_PFSOC_IOSCB_CFG, + MICROCHIP_PFSOC_IOSCB_CTRL, MICROCHIP_PFSOC_DRAM, }; =20 --=20 2.17.1