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Iglesias" To: qemu-devel@nongnu.org Subject: [PATCH v1 09/11] hw/arm: versal: Add support for the RTC Date: Mon, 27 Apr 2020 20:16:47 +0200 Message-Id: <20200427181649.26851-10-edgar.iglesias@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200427181649.26851-1-edgar.iglesias@gmail.com> References: <20200427181649.26851-1-edgar.iglesias@gmail.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=2a00:1450:4864:20::141; envelope-from=edgar.iglesias@gmail.com; helo=mail-lf1-x141.google.com X-detected-operating-system: by eggs.gnu.org: Error: [-] PROGRAM ABORT : Malformed IPv6 address (bad octet value). Location : parse_addr6(), p0f-client.c:67 X-Received-From: 2a00:1450:4864:20::141 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: figlesia@xilinx.com, peter.maydell@linaro.org, sstabellini@kernel.org, edgar.iglesias@xilinx.com, sai.pavan.boddu@xilinx.com, frasse.iglesias@gmail.com, alistair@alistair23.me, richard.henderson@linaro.org, frederic.konrad@adacore.com, qemu-arm@nongnu.org, philmd@redhat.com, luc.michel@greensocs.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" From: "Edgar E. Iglesias" hw/arm: versal: Add support for the RTC. Signed-off-by: Edgar E. Iglesias Reviewed-by: Alistair Francis Reviewed-by: Luc Michel Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- hw/arm/xlnx-versal.c | 21 +++++++++++++++++++++ include/hw/arm/xlnx-versal.h | 8 ++++++++ 2 files changed, 29 insertions(+) diff --git a/hw/arm/xlnx-versal.c b/hw/arm/xlnx-versal.c index e263bdf77a..321171bcce 100644 --- a/hw/arm/xlnx-versal.c +++ b/hw/arm/xlnx-versal.c @@ -240,6 +240,26 @@ static void versal_create_sds(Versal *s, qemu_irq *pic) } } =20 +static void versal_create_rtc(Versal *s, qemu_irq *pic) +{ + SysBusDevice *sbd; + MemoryRegion *mr; + + sysbus_init_child_obj(OBJECT(s), "rtc", &s->pmc.rtc, sizeof(s->pmc.rtc= ), + TYPE_XLNX_ZYNQMP_RTC); + sbd =3D SYS_BUS_DEVICE(&s->pmc.rtc); + qdev_init_nofail(DEVICE(sbd)); + + mr =3D sysbus_mmio_get_region(sbd, 0); + memory_region_add_subregion(&s->mr_ps, MM_PMC_RTC, mr); + + /* + * TODO: Connect the ALARM and SECONDS interrupts once our RTC model + * supports them. + */ + sysbus_connect_irq(sbd, 1, pic[VERSAL_RTC_APB_ERR_IRQ]); +} + /* This takes the board allocated linear DDR memory and creates aliases * for each split DDR range/aperture on the Versal address map. */ @@ -323,6 +343,7 @@ static void versal_realize(DeviceState *dev, Error **er= rp) versal_create_gems(s, pic); versal_create_admas(s, pic); versal_create_sds(s, pic); + versal_create_rtc(s, pic); versal_map_ddr(s); versal_unimp(s); =20 diff --git a/include/hw/arm/xlnx-versal.h b/include/hw/arm/xlnx-versal.h index e11693e29d..9c9f47ba9d 100644 --- a/include/hw/arm/xlnx-versal.h +++ b/include/hw/arm/xlnx-versal.h @@ -19,6 +19,7 @@ #include "hw/char/pl011.h" #include "hw/dma/xlnx-zdma.h" #include "hw/net/cadence_gem.h" +#include "hw/rtc/xlnx-zynqmp-rtc.h" =20 #define TYPE_XLNX_VERSAL "xlnx-versal" #define XLNX_VERSAL(obj) OBJECT_CHECK(Versal, (obj), TYPE_XLNX_VERSAL) @@ -65,6 +66,8 @@ typedef struct Versal { struct { SDHCIState sd[XLNX_VERSAL_NR_SDS]; } iou; + + XlnxZynqMPRTC rtc; } pmc; =20 struct { @@ -89,7 +92,10 @@ typedef struct Versal { #define VERSAL_GEM1_IRQ_0 58 #define VERSAL_GEM1_WAKE_IRQ_0 59 #define VERSAL_ADMA_IRQ_0 60 +#define VERSAL_RTC_APB_ERR_IRQ 121 #define VERSAL_SD0_IRQ_0 126 +#define VERSAL_RTC_ALARM_IRQ 142 +#define VERSAL_RTC_SECONDS_IRQ 143 =20 /* Architecturally reserved IRQs suitable for virtualization. */ #define VERSAL_RSVD_IRQ_FIRST 111 @@ -143,4 +149,6 @@ typedef struct Versal { #define MM_PMC_SD0_SIZE 0x10000 #define MM_PMC_CRP 0xf1260000U #define MM_PMC_CRP_SIZE 0x10000 +#define MM_PMC_RTC 0xf12a0000 +#define MM_PMC_RTC_SIZE 0x10000 #endif --=20 2.20.1