From nobody Tue Feb 10 20:07:22 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1541178816301452.92384666857197; Fri, 2 Nov 2018 10:13:36 -0700 (PDT) Received: from localhost ([::1]:52739 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gId0p-0003Zg-4I for importer@patchew.org; Fri, 02 Nov 2018 13:13:35 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:46756) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gIcvy-0007f4-6T for qemu-devel@nongnu.org; Fri, 02 Nov 2018 13:08:36 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gIcvw-0004nl-Sr for qemu-devel@nongnu.org; Fri, 02 Nov 2018 13:08:33 -0400 Received: from steffen-goertz.de ([88.198.119.201]:33348) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gIcvg-0004I3-5x; Fri, 02 Nov 2018 13:08:18 -0400 Received: from gouranga.nyu.edu (unknown [192.76.177.125]) by steffen-goertz.de (Postfix) with ESMTPSA id BAA474FF73; Fri, 2 Nov 2018 18:05:09 +0100 (CET) From: =?UTF-8?q?Steffen=20G=C3=B6rtz?= To: qemu-devel@nongnu.org Date: Fri, 2 Nov 2018 13:07:30 -0400 Message-Id: <20181102170730.12432-14-contrib@steffen-goertz.de> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181102170730.12432-1-contrib@steffen-goertz.de> References: <20181102170730.12432-1-contrib@steffen-goertz.de> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 88.198.119.201 Subject: [Qemu-devel] [PATCH v4 13/13] arm: Add Clock peripheral stub to NRF51 SOC X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , Jim Mussared , Stefan Hajnoczi , =?UTF-8?q?Steffen=20G=C3=B6rtz?= , "open list:NRF51" , Joel Stanley , Julia Suvorova Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" This stubs enables the microbit-micropython firmware to run on the microbit machine. Signed-off-by: Steffen G=C3=B6rtz Reviewed-by: Stefan Hajnoczi --- hw/arm/nrf51_soc.c | 27 +++++++++++++++++++++++++++ include/hw/arm/nrf51_soc.h | 1 + 2 files changed, 28 insertions(+) diff --git a/hw/arm/nrf51_soc.c b/hw/arm/nrf51_soc.c index 36dac03896..ce8c61ae69 100644 --- a/hw/arm/nrf51_soc.c +++ b/hw/arm/nrf51_soc.c @@ -35,6 +35,26 @@ =20 #define BASE_TO_IRQ(base) ((base >> 12) & 0x1F) =20 +static uint64_t clock_read(void *opaque, hwaddr addr, unsigned int size) +{ + qemu_log_mask(LOG_UNIMP, "%s: 0x%" HWADDR_PRIx " [%u]\n", + __func__, addr, size); + return 1; +} + +static void clock_write(void *opaque, hwaddr addr, uint64_t data, + unsigned int size) +{ + qemu_log_mask(LOG_UNIMP, "%s: 0x%" HWADDR_PRIx " <- 0x%" PRIx64 " [%u]= \n", + __func__, addr, data, size); +} + +static const MemoryRegionOps clock_ops =3D { + .read =3D clock_read, + .write =3D clock_write +}; + + static void nrf51_soc_realize(DeviceState *dev_soc, Error **errp) { NRF51State *s =3D NRF51_SOC(dev_soc); @@ -159,6 +179,13 @@ static void nrf51_soc_realize(DeviceState *dev_soc, Er= ror **errp) BASE_TO_IRQ(base_addr))); } =20 + /* STUB Peripherals */ + memory_region_init_io(&s->clock, NULL, &clock_ops, NULL, + "nrf51_soc.clock", 0x1000); + memory_region_add_subregion_overlap(&s->container, + NRF51_IOMEM_BASE, &s->clock, -1); + + =20 create_unimplemented_device("nrf51_soc.io", NRF51_IOMEM_BASE, NRF51_IOMEM_SIZE); diff --git a/include/hw/arm/nrf51_soc.h b/include/hw/arm/nrf51_soc.h index 89525dcb39..4610d0c7ae 100644 --- a/include/hw/arm/nrf51_soc.h +++ b/include/hw/arm/nrf51_soc.h @@ -40,6 +40,7 @@ typedef struct NRF51State { MemoryRegion iomem; MemoryRegion sram; MemoryRegion flash; + MemoryRegion clock; =20 uint32_t sram_size; uint32_t flash_size; --=20 2.19.1