From patchwork Wed Mar 16 17:18:28 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Maydell X-Patchwork-Id: 8602891 Return-Path: X-Original-To: patchwork-qemu-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 8B737C0554 for ; Wed, 16 Mar 2016 17:19:09 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 74E0B202F2 for ; Wed, 16 Mar 2016 17:19:08 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1B7042026C for ; Wed, 16 Mar 2016 17:19:07 +0000 (UTC) Received: from localhost ([::1]:57646 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1agF6A-0002Iu-Ba for patchwork-qemu-devel@patchwork.kernel.org; Wed, 16 Mar 2016 13:19:06 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:35363) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1agF5q-00029S-0P for qemu-devel@nongnu.org; Wed, 16 Mar 2016 13:18:48 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1agF5o-0001EZ-GK for qemu-devel@nongnu.org; Wed, 16 Mar 2016 13:18:45 -0400 Received: from orth.archaic.org.uk ([2001:8b0:1d0::2]:56203) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1agF5o-0001Bd-88 for qemu-devel@nongnu.org; Wed, 16 Mar 2016 13:18:44 -0400 Received: from pm215 by orth.archaic.org.uk with local (Exim 4.84_2) (envelope-from ) id 1agF5o-0000yg-0R for qemu-devel@nongnu.org; Wed, 16 Mar 2016 17:18:44 +0000 From: Peter Maydell To: qemu-devel@nongnu.org Date: Wed, 16 Mar 2016 17:18:28 +0000 Message-Id: <1458148715-16864-15-git-send-email-peter.maydell@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1458148715-16864-1-git-send-email-peter.maydell@linaro.org> References: <1458148715-16864-1-git-send-email-peter.maydell@linaro.org> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:8b0:1d0::2 Subject: [Qemu-devel] [PULL 14/21] hw/arm: Add ASPEED AST2400 SoC model X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Andrew Jeffery While the ASPEED AST2400 SoC[1] has a broad range of capabilities this implementation is minimal, comprising an ARM926 processor, ASPEED VIC and timer devices, and a 8250 UART. [1] http://www.aspeedtech.com/products.php?fPath=20&rId=376 Signed-off-by: Andrew Jeffery Message-id: 1458096317-25223-4-git-send-email-andrew@aj.id.au Reviewed-by: Peter Maydell Signed-off-by: Peter Maydell --- hw/arm/Makefile.objs | 1 + hw/arm/ast2400.c | 137 +++++++++++++++++++++++++++++++++++++++++++++++ include/hw/arm/ast2400.h | 35 ++++++++++++ 3 files changed, 173 insertions(+) create mode 100644 hw/arm/ast2400.c create mode 100644 include/hw/arm/ast2400.h diff --git a/hw/arm/Makefile.objs b/hw/arm/Makefile.objs index a711e4d..f333b7f 100644 --- a/hw/arm/Makefile.objs +++ b/hw/arm/Makefile.objs @@ -16,3 +16,4 @@ obj-$(CONFIG_STM32F205_SOC) += stm32f205_soc.o obj-$(CONFIG_XLNX_ZYNQMP) += xlnx-zynqmp.o xlnx-ep108.o obj-$(CONFIG_FSL_IMX25) += fsl-imx25.o imx25_pdk.o obj-$(CONFIG_FSL_IMX31) += fsl-imx31.o kzm.o +obj-$(CONFIG_ASPEED_SOC) += ast2400.o diff --git a/hw/arm/ast2400.c b/hw/arm/ast2400.c new file mode 100644 index 0000000..daa5518 --- /dev/null +++ b/hw/arm/ast2400.c @@ -0,0 +1,137 @@ +/* + * AST2400 SoC + * + * Andrew Jeffery + * Jeremy Kerr + * + * Copyright 2016 IBM Corp. + * + * This code is licensed under the GPL version 2 or later. See + * the COPYING file in the top-level directory. + */ + +#include "qemu/osdep.h" +#include "exec/address-spaces.h" +#include "hw/arm/ast2400.h" +#include "hw/char/serial.h" + +#define AST2400_UART_5_BASE 0x00184000 +#define AST2400_IOMEM_SIZE 0x00200000 +#define AST2400_IOMEM_BASE 0x1E600000 +#define AST2400_VIC_BASE 0x1E6C0000 +#define AST2400_TIMER_BASE 0x1E782000 + +static const int uart_irqs[] = { 9, 32, 33, 34, 10 }; +static const int timer_irqs[] = { 16, 17, 18, 35, 36, 37, 38, 39, }; + +/* + * IO handlers: simply catch any reads/writes to IO addresses that aren't + * handled by a device mapping. + */ + +static uint64_t ast2400_io_read(void *p, hwaddr offset, unsigned size) +{ + qemu_log_mask(LOG_UNIMP, "%s: 0x%" HWADDR_PRIx " [%u]\n", + __func__, offset, size); + return 0; +} + +static void ast2400_io_write(void *opaque, hwaddr offset, uint64_t value, + unsigned size) +{ + qemu_log_mask(LOG_UNIMP, "%s: 0x%" HWADDR_PRIx " <- 0x%" PRIx64 " [%u]\n", + __func__, offset, value, size); +} + +static const MemoryRegionOps ast2400_io_ops = { + .read = ast2400_io_read, + .write = ast2400_io_write, + .endianness = DEVICE_LITTLE_ENDIAN, +}; + +static void ast2400_init(Object *obj) +{ + AST2400State *s = AST2400(obj); + + s->cpu = cpu_arm_init("arm926"); + + object_initialize(&s->vic, sizeof(s->vic), TYPE_ASPEED_VIC); + object_property_add_child(obj, "vic", OBJECT(&s->vic), NULL); + qdev_set_parent_bus(DEVICE(&s->vic), sysbus_get_default()); + + object_initialize(&s->timerctrl, sizeof(s->timerctrl), TYPE_ASPEED_TIMER); + object_property_add_child(obj, "timerctrl", OBJECT(&s->timerctrl), NULL); + qdev_set_parent_bus(DEVICE(&s->timerctrl), sysbus_get_default()); +} + +static void ast2400_realize(DeviceState *dev, Error **errp) +{ + int i; + AST2400State *s = AST2400(dev); + Error *err = NULL; + + /* IO space */ + memory_region_init_io(&s->iomem, NULL, &ast2400_io_ops, NULL, + "ast2400.io", AST2400_IOMEM_SIZE); + memory_region_add_subregion_overlap(get_system_memory(), AST2400_IOMEM_BASE, + &s->iomem, -1); + + /* VIC */ + object_property_set_bool(OBJECT(&s->vic), true, "realized", &err); + if (err) { + error_propagate(errp, err); + return; + } + sysbus_mmio_map(SYS_BUS_DEVICE(&s->vic), 0, AST2400_VIC_BASE); + sysbus_connect_irq(SYS_BUS_DEVICE(&s->vic), 0, + qdev_get_gpio_in(DEVICE(s->cpu), ARM_CPU_IRQ)); + sysbus_connect_irq(SYS_BUS_DEVICE(&s->vic), 1, + qdev_get_gpio_in(DEVICE(s->cpu), ARM_CPU_FIQ)); + + /* Timer */ + object_property_set_bool(OBJECT(&s->timerctrl), true, "realized", &err); + if (err) { + error_propagate(errp, err); + return; + } + sysbus_mmio_map(SYS_BUS_DEVICE(&s->timerctrl), 0, AST2400_TIMER_BASE); + for (i = 0; i < ARRAY_SIZE(timer_irqs); i++) { + qemu_irq irq = qdev_get_gpio_in(DEVICE(&s->vic), timer_irqs[i]); + sysbus_connect_irq(SYS_BUS_DEVICE(&s->timerctrl), i, irq); + } + + /* UART - attach an 8250 to the IO space as our UART5 */ + if (serial_hds[0]) { + qemu_irq uart5 = qdev_get_gpio_in(DEVICE(&s->vic), uart_irqs[4]); + serial_mm_init(&s->iomem, AST2400_UART_5_BASE, 2, + uart5, 38400, serial_hds[0], DEVICE_LITTLE_ENDIAN); + } +} + +static void ast2400_class_init(ObjectClass *oc, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(oc); + + dc->realize = ast2400_realize; + + /* + * Reason: creates an ARM CPU, thus use after free(), see + * arm_cpu_class_init() + */ + dc->cannot_destroy_with_object_finalize_yet = true; +} + +static const TypeInfo ast2400_type_info = { + .name = TYPE_AST2400, + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(AST2400State), + .instance_init = ast2400_init, + .class_init = ast2400_class_init, +}; + +static void ast2400_register_types(void) +{ + type_register_static(&ast2400_type_info); +} + +type_init(ast2400_register_types) diff --git a/include/hw/arm/ast2400.h b/include/hw/arm/ast2400.h new file mode 100644 index 0000000..f16a1ed --- /dev/null +++ b/include/hw/arm/ast2400.h @@ -0,0 +1,35 @@ +/* + * ASPEED AST2400 SoC + * + * Andrew Jeffery + * + * Copyright 2016 IBM Corp. + * + * This code is licensed under the GPL version 2 or later. See + * the COPYING file in the top-level directory. + */ + +#ifndef AST2400_H +#define AST2400_H + +#include "hw/arm/arm.h" +#include "hw/intc/aspeed_vic.h" +#include "hw/timer/aspeed_timer.h" + +typedef struct AST2400State { + /*< private >*/ + DeviceState parent; + + /*< public >*/ + ARMCPU *cpu; + MemoryRegion iomem; + AspeedVICState vic; + AspeedTimerCtrlState timerctrl; +} AST2400State; + +#define TYPE_AST2400 "ast2400" +#define AST2400(obj) OBJECT_CHECK(AST2400State, (obj), TYPE_AST2400) + +#define AST2400_SDRAM_BASE 0x40000000 + +#endif /* AST2400_H */