From patchwork Mon Dec 12 10:47:49 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Maydell X-Patchwork-Id: 130696 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [140.186.70.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id E1F75B6F9A for ; Mon, 12 Dec 2011 21:48:22 +1100 (EST) Received: from localhost ([::1]:43903 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Ra3Qa-0003pl-Fn for incoming@patchwork.ozlabs.org; Mon, 12 Dec 2011 05:48:12 -0500 Received: from eggs.gnu.org ([140.186.70.92]:44403) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Ra3QT-0003pc-LF for qemu-devel@nongnu.org; Mon, 12 Dec 2011 05:48:07 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Ra3QN-00068Y-0E for qemu-devel@nongnu.org; Mon, 12 Dec 2011 05:48:05 -0500 Received: from mnementh.archaic.org.uk ([81.2.115.146]:45674) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Ra3QM-000684-F4 for qemu-devel@nongnu.org; Mon, 12 Dec 2011 05:47:58 -0500 Received: from pm215 by mnementh.archaic.org.uk with local (Exim 4.72) (envelope-from ) id 1Ra3QD-00043m-JA; Mon, 12 Dec 2011 10:47:49 +0000 From: Peter Maydell To: Anthony Liguori Date: Mon, 12 Dec 2011 10:47:49 +0000 Message-Id: <1323686869-15567-9-git-send-email-peter.maydell@linaro.org> X-Mailer: git-send-email 1.7.2.5 In-Reply-To: <1323686869-15567-1-git-send-email-peter.maydell@linaro.org> References: <1323686869-15567-1-git-send-email-peter.maydell@linaro.org> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 2) X-Received-From: 81.2.115.146 Cc: qemu-devel@nongnu.org Subject: [Qemu-devel] [PATCH 8/8] hw/mpcore.c: Merge with hw/arm11mpcore.c 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org hw/mpcore.c is now implementing only ARM11MPCore specific peripherals, and is #included only from hw/arm11mpcore.c, so just merge it into that file. Signed-off-by: Peter Maydell --- hw/arm11mpcore.c | 130 ++++++++++++++++++++++++++++++++++++++++++++++++++- hw/mpcore.c | 137 ------------------------------------------------------ 2 files changed, 129 insertions(+), 138 deletions(-) delete mode 100644 hw/mpcore.c diff --git a/hw/arm11mpcore.c b/hw/arm11mpcore.c index 32ecf98..bc0457e 100644 --- a/hw/arm11mpcore.c +++ b/hw/arm11mpcore.c @@ -7,11 +7,139 @@ * This code is licensed under the GPL. */ +#include "sysbus.h" +#include "qemu-timer.h" + /* ??? The MPCore TRM says the on-chip controller has 224 external IRQ lines (+ 32 internal). However my test chip only exposes/reports 32. More importantly Linux falls over if more than 32 are present! */ #define GIC_NIRQ 64 -#include "mpcore.c" + +#define NCPU 4 + +static inline int +gic_get_current_cpu(void) +{ + return cpu_single_env->cpu_index; +} + +#include "arm_gic.c" + +/* MPCore private memory region. */ + +typedef struct mpcore_priv_state { + gic_state gic; + uint32_t scu_control; + int iomemtype; + uint32_t old_timer_status[8]; + uint32_t num_cpu; + qemu_irq *timer_irq; + MemoryRegion iomem; + MemoryRegion container; + DeviceState *mptimer; +} mpcore_priv_state; + +/* Per-CPU private memory mapped IO. */ + +static uint64_t mpcore_scu_read(void *opaque, target_phys_addr_t offset, + unsigned size) +{ + mpcore_priv_state *s = (mpcore_priv_state *)opaque; + int id; + offset &= 0xff; + /* SCU */ + switch (offset) { + case 0x00: /* Control. */ + return s->scu_control; + case 0x04: /* Configuration. */ + id = ((1 << s->num_cpu) - 1) << 4; + return id | (s->num_cpu - 1); + case 0x08: /* CPU status. */ + return 0; + case 0x0c: /* Invalidate all. */ + return 0; + default: + hw_error("mpcore_priv_read: Bad offset %x\n", (int)offset); + } +} + +static void mpcore_scu_write(void *opaque, target_phys_addr_t offset, + uint64_t value, unsigned size) +{ + mpcore_priv_state *s = (mpcore_priv_state *)opaque; + offset &= 0xff; + /* SCU */ + switch (offset) { + case 0: /* Control register. */ + s->scu_control = value & 1; + break; + case 0x0c: /* Invalidate all. */ + /* This is a no-op as cache is not emulated. */ + break; + default: + hw_error("mpcore_priv_read: Bad offset %x\n", (int)offset); + } +} + +static const MemoryRegionOps mpcore_scu_ops = { + .read = mpcore_scu_read, + .write = mpcore_scu_write, + .endianness = DEVICE_NATIVE_ENDIAN, +}; + +static void mpcore_timer_irq_handler(void *opaque, int irq, int level) +{ + mpcore_priv_state *s = (mpcore_priv_state *)opaque; + if (level && !s->old_timer_status[irq]) { + gic_set_pending_private(&s->gic, irq >> 1, 29 + (irq & 1)); + } + s->old_timer_status[irq] = level; +} + +static void mpcore_priv_map_setup(mpcore_priv_state *s) +{ + int i; + SysBusDevice *busdev = sysbus_from_qdev(s->mptimer); + memory_region_init(&s->container, "mpcode-priv-container", 0x2000); + memory_region_init_io(&s->iomem, &mpcore_scu_ops, s, "mpcore-scu", 0x100); + memory_region_add_subregion(&s->container, 0, &s->iomem); + /* GIC CPU interfaces: "current CPU" at 0x100, then specific CPUs + * at 0x200, 0x300... + */ + for (i = 0; i < (s->num_cpu + 1); i++) { + target_phys_addr_t offset = 0x100 + (i * 0x100); + memory_region_add_subregion(&s->container, offset, &s->gic.cpuiomem[i]); + } + /* Add the regions for timer and watchdog for "current CPU" and + * for each specific CPU. + */ + s->timer_irq = qemu_allocate_irqs(mpcore_timer_irq_handler, + s, (s->num_cpu + 1) * 2); + for (i = 0; i < (s->num_cpu + 1) * 2; i++) { + /* Timers at 0x600, 0x700, ...; watchdogs at 0x620, 0x720, ... */ + target_phys_addr_t offset = 0x600 + (i >> 1) * 0x100 + (i & 1) * 0x20; + memory_region_add_subregion(&s->container, offset, + sysbus_mmio_get_region(busdev, i)); + } + memory_region_add_subregion(&s->container, 0x1000, &s->gic.iomem); + /* Wire up the interrupt from each watchdog and timer. */ + for (i = 0; i < s->num_cpu * 2; i++) { + sysbus_connect_irq(busdev, i, s->timer_irq[i]); + } +} + +static int mpcore_priv_init(SysBusDevice *dev) +{ + mpcore_priv_state *s = FROM_SYSBUSGIC(mpcore_priv_state, dev); + + gic_init(&s->gic, s->num_cpu); + s->mptimer = qdev_create(NULL, "arm_mptimer"); + qdev_prop_set_uint32(s->mptimer, "num-cpu", s->num_cpu); + qdev_init_nofail(s->mptimer); + mpcore_priv_map_setup(s); + sysbus_init_mmio(dev, &s->container); + return 0; +} /* Dummy PIC to route IRQ lines. The baseboard has 4 independent IRQ controllers. The output of these, plus some of the raw input lines diff --git a/hw/mpcore.c b/hw/mpcore.c deleted file mode 100644 index 670d7e5..0000000 --- a/hw/mpcore.c +++ /dev/null @@ -1,137 +0,0 @@ -/* - * ARM MPCore internal peripheral emulation (common code). - * - * Copyright (c) 2006-2007 CodeSourcery. - * Written by Paul Brook - * - * This code is licensed under the GPL. - */ - -#include "sysbus.h" -#include "qemu-timer.h" - -#define NCPU 4 - -static inline int -gic_get_current_cpu(void) -{ - return cpu_single_env->cpu_index; -} - -#include "arm_gic.c" - -/* MPCore private memory region. */ - -typedef struct mpcore_priv_state { - gic_state gic; - uint32_t scu_control; - int iomemtype; - uint32_t old_timer_status[8]; - uint32_t num_cpu; - qemu_irq *timer_irq; - MemoryRegion iomem; - MemoryRegion container; - DeviceState *mptimer; -} mpcore_priv_state; - -/* Per-CPU private memory mapped IO. */ - -static uint64_t mpcore_scu_read(void *opaque, target_phys_addr_t offset, - unsigned size) -{ - mpcore_priv_state *s = (mpcore_priv_state *)opaque; - int id; - offset &= 0xff; - /* SCU */ - switch (offset) { - case 0x00: /* Control. */ - return s->scu_control; - case 0x04: /* Configuration. */ - id = ((1 << s->num_cpu) - 1) << 4; - return id | (s->num_cpu - 1); - case 0x08: /* CPU status. */ - return 0; - case 0x0c: /* Invalidate all. */ - return 0; - default: - hw_error("mpcore_priv_read: Bad offset %x\n", (int)offset); - } -} - -static void mpcore_scu_write(void *opaque, target_phys_addr_t offset, - uint64_t value, unsigned size) -{ - mpcore_priv_state *s = (mpcore_priv_state *)opaque; - offset &= 0xff; - /* SCU */ - switch (offset) { - case 0: /* Control register. */ - s->scu_control = value & 1; - break; - case 0x0c: /* Invalidate all. */ - /* This is a no-op as cache is not emulated. */ - break; - default: - hw_error("mpcore_priv_read: Bad offset %x\n", (int)offset); - } -} - -static const MemoryRegionOps mpcore_scu_ops = { - .read = mpcore_scu_read, - .write = mpcore_scu_write, - .endianness = DEVICE_NATIVE_ENDIAN, -}; - -static void mpcore_timer_irq_handler(void *opaque, int irq, int level) -{ - mpcore_priv_state *s = (mpcore_priv_state *)opaque; - if (level && !s->old_timer_status[irq]) { - gic_set_pending_private(&s->gic, irq >> 1, 29 + (irq & 1)); - } - s->old_timer_status[irq] = level; -} - -static void mpcore_priv_map_setup(mpcore_priv_state *s) -{ - int i; - SysBusDevice *busdev = sysbus_from_qdev(s->mptimer); - memory_region_init(&s->container, "mpcode-priv-container", 0x2000); - memory_region_init_io(&s->iomem, &mpcore_scu_ops, s, "mpcore-scu", 0x100); - memory_region_add_subregion(&s->container, 0, &s->iomem); - /* GIC CPU interfaces: "current CPU" at 0x100, then specific CPUs - * at 0x200, 0x300... - */ - for (i = 0; i < (s->num_cpu + 1); i++) { - target_phys_addr_t offset = 0x100 + (i * 0x100); - memory_region_add_subregion(&s->container, offset, &s->gic.cpuiomem[i]); - } - /* Add the regions for timer and watchdog for "current CPU" and - * for each specific CPU. - */ - s->timer_irq = qemu_allocate_irqs(mpcore_timer_irq_handler, - s, (s->num_cpu + 1) * 2); - for (i = 0; i < (s->num_cpu + 1) * 2; i++) { - /* Timers at 0x600, 0x700, ...; watchdogs at 0x620, 0x720, ... */ - target_phys_addr_t offset = 0x600 + (i >> 1) * 0x100 + (i & 1) * 0x20; - memory_region_add_subregion(&s->container, offset, - sysbus_mmio_get_region(busdev, i)); - } - memory_region_add_subregion(&s->container, 0x1000, &s->gic.iomem); - /* Wire up the interrupt from each watchdog and timer. */ - for (i = 0; i < s->num_cpu * 2; i++) { - sysbus_connect_irq(busdev, i, s->timer_irq[i]); - } -} - -static int mpcore_priv_init(SysBusDevice *dev) -{ - mpcore_priv_state *s = FROM_SYSBUSGIC(mpcore_priv_state, dev); - - gic_init(&s->gic, s->num_cpu); - s->mptimer = qdev_create(NULL, "arm_mptimer"); - qdev_prop_set_uint32(s->mptimer, "num-cpu", s->num_cpu); - qdev_init_nofail(s->mptimer); - mpcore_priv_map_setup(s); - sysbus_init_mmio(dev, &s->container); - return 0; -}