From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:41811) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gHeLc-0005Vu-CE for qemu-devel@nongnu.org; Tue, 30 Oct 2018 20:27:01 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gHeLb-0000f8-Ja for qemu-devel@nongnu.org; Tue, 30 Oct 2018 20:27:00 -0400 From: =?UTF-8?q?Steffen=20G=C3=B6rtz?= Date: Tue, 30 Oct 2018 20:25:27 -0400 Message-Id: <20181031002526.14262-14-contrib@steffen-goertz.de> In-Reply-To: <20181031002526.14262-1-contrib@steffen-goertz.de> References: <20181031002526.14262-1-contrib@steffen-goertz.de> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Subject: [Qemu-devel] [PATCH v3 13/13] arm: Add Clock peripheral stub to NRF51 SOC List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Stefan Hajnoczi , Joel Stanley , Jim Mussared , Julia Suvorova , Peter Maydell , =?UTF-8?q?Steffen=20G=C3=B6rtz?= , "open list:NRF51" This stubs enables the microbit-micropython firmware to run on the microbit machine. Signed-off-by: Steffen G=C3=B6rtz --- 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 c29b80c0ca..bccf2b9b2c 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, = Error **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