diff options
author | RajithaY <rajithax.yerrumsetty@intel.com> | 2017-04-25 03:31:15 -0700 |
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committer | Rajitha Yerrumchetty <rajithax.yerrumsetty@intel.com> | 2017-05-22 06:48:08 +0000 |
commit | bb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch) | |
tree | ca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/hw/pci-host/apb.c | |
parent | a14b48d18a9ed03ec191cf16b162206998a895ce (diff) |
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/hw/pci-host/apb.c')
-rw-r--r-- | qemu/hw/pci-host/apb.c | 871 |
1 files changed, 0 insertions, 871 deletions
diff --git a/qemu/hw/pci-host/apb.c b/qemu/hw/pci-host/apb.c deleted file mode 100644 index aaef7bb3a..000000000 --- a/qemu/hw/pci-host/apb.c +++ /dev/null @@ -1,871 +0,0 @@ -/* - * QEMU Ultrasparc APB PCI host - * - * Copyright (c) 2006 Fabrice Bellard - * Copyright (c) 2012,2013 Artyom Tarasenko - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ - -/* XXX This file and most of its contents are somewhat misnamed. The - Ultrasparc PCI host is called the PCI Bus Module (PBM). The APB is - the secondary PCI bridge. */ - -#include "qemu/osdep.h" -#include "hw/sysbus.h" -#include "hw/pci/pci.h" -#include "hw/pci/pci_host.h" -#include "hw/pci/pci_bridge.h" -#include "hw/pci/pci_bus.h" -#include "hw/pci-host/apb.h" -#include "sysemu/sysemu.h" -#include "exec/address-spaces.h" - -/* debug APB */ -//#define DEBUG_APB - -#ifdef DEBUG_APB -#define APB_DPRINTF(fmt, ...) \ -do { printf("APB: " fmt , ## __VA_ARGS__); } while (0) -#else -#define APB_DPRINTF(fmt, ...) -#endif - -/* debug IOMMU */ -//#define DEBUG_IOMMU - -#ifdef DEBUG_IOMMU -#define IOMMU_DPRINTF(fmt, ...) \ -do { printf("IOMMU: " fmt , ## __VA_ARGS__); } while (0) -#else -#define IOMMU_DPRINTF(fmt, ...) -#endif - -/* - * Chipset docs: - * PBM: "UltraSPARC IIi User's Manual", - * http://www.sun.com/processors/manuals/805-0087.pdf - * - * APB: "Advanced PCI Bridge (APB) User's Manual", - * http://www.sun.com/processors/manuals/805-1251.pdf - */ - -#define PBM_PCI_IMR_MASK 0x7fffffff -#define PBM_PCI_IMR_ENABLED 0x80000000 - -#define POR (1U << 31) -#define SOFT_POR (1U << 30) -#define SOFT_XIR (1U << 29) -#define BTN_POR (1U << 28) -#define BTN_XIR (1U << 27) -#define RESET_MASK 0xf8000000 -#define RESET_WCMASK 0x98000000 -#define RESET_WMASK 0x60000000 - -#define MAX_IVEC 0x40 -#define NO_IRQ_REQUEST (MAX_IVEC + 1) - -#define IOMMU_PAGE_SIZE_8K (1ULL << 13) -#define IOMMU_PAGE_MASK_8K (~(IOMMU_PAGE_SIZE_8K - 1)) -#define IOMMU_PAGE_SIZE_64K (1ULL << 16) -#define IOMMU_PAGE_MASK_64K (~(IOMMU_PAGE_SIZE_64K - 1)) - -#define IOMMU_NREGS 3 - -#define IOMMU_CTRL 0x0 -#define IOMMU_CTRL_TBW_SIZE (1ULL << 2) -#define IOMMU_CTRL_MMU_EN (1ULL) - -#define IOMMU_CTRL_TSB_SHIFT 16 - -#define IOMMU_BASE 0x8 -#define IOMMU_FLUSH 0x10 - -#define IOMMU_TTE_DATA_V (1ULL << 63) -#define IOMMU_TTE_DATA_SIZE (1ULL << 61) -#define IOMMU_TTE_DATA_W (1ULL << 1) - -#define IOMMU_TTE_PHYS_MASK_8K 0x1ffffffe000ULL -#define IOMMU_TTE_PHYS_MASK_64K 0x1ffffff8000ULL - -#define IOMMU_TSB_8K_OFFSET_MASK_8M 0x00000000007fe000ULL -#define IOMMU_TSB_8K_OFFSET_MASK_16M 0x0000000000ffe000ULL -#define IOMMU_TSB_8K_OFFSET_MASK_32M 0x0000000001ffe000ULL -#define IOMMU_TSB_8K_OFFSET_MASK_64M 0x0000000003ffe000ULL -#define IOMMU_TSB_8K_OFFSET_MASK_128M 0x0000000007ffe000ULL -#define IOMMU_TSB_8K_OFFSET_MASK_256M 0x000000000fffe000ULL -#define IOMMU_TSB_8K_OFFSET_MASK_512M 0x000000001fffe000ULL -#define IOMMU_TSB_8K_OFFSET_MASK_1G 0x000000003fffe000ULL - -#define IOMMU_TSB_64K_OFFSET_MASK_64M 0x0000000003ff0000ULL -#define IOMMU_TSB_64K_OFFSET_MASK_128M 0x0000000007ff0000ULL -#define IOMMU_TSB_64K_OFFSET_MASK_256M 0x000000000fff0000ULL -#define IOMMU_TSB_64K_OFFSET_MASK_512M 0x000000001fff0000ULL -#define IOMMU_TSB_64K_OFFSET_MASK_1G 0x000000003fff0000ULL -#define IOMMU_TSB_64K_OFFSET_MASK_2G 0x000000007fff0000ULL - -typedef struct IOMMUState { - AddressSpace iommu_as; - MemoryRegion iommu; - - uint64_t regs[IOMMU_NREGS]; -} IOMMUState; - -#define TYPE_APB "pbm" - -#define APB_DEVICE(obj) \ - OBJECT_CHECK(APBState, (obj), TYPE_APB) - -typedef struct APBState { - PCIHostState parent_obj; - - MemoryRegion apb_config; - MemoryRegion pci_config; - MemoryRegion pci_mmio; - MemoryRegion pci_ioport; - uint64_t pci_irq_in; - IOMMUState iommu; - uint32_t pci_control[16]; - uint32_t pci_irq_map[8]; - uint32_t pci_err_irq_map[4]; - uint32_t obio_irq_map[32]; - qemu_irq *pbm_irqs; - qemu_irq *ivec_irqs; - unsigned int irq_request; - uint32_t reset_control; - unsigned int nr_resets; -} APBState; - -static inline void pbm_set_request(APBState *s, unsigned int irq_num) -{ - APB_DPRINTF("%s: request irq %d\n", __func__, irq_num); - - s->irq_request = irq_num; - qemu_set_irq(s->ivec_irqs[irq_num], 1); -} - -static inline void pbm_check_irqs(APBState *s) -{ - - unsigned int i; - - /* Previous request is not acknowledged, resubmit */ - if (s->irq_request != NO_IRQ_REQUEST) { - pbm_set_request(s, s->irq_request); - return; - } - /* no request pending */ - if (s->pci_irq_in == 0ULL) { - return; - } - for (i = 0; i < 32; i++) { - if (s->pci_irq_in & (1ULL << i)) { - if (s->pci_irq_map[i >> 2] & PBM_PCI_IMR_ENABLED) { - pbm_set_request(s, i); - return; - } - } - } - for (i = 32; i < 64; i++) { - if (s->pci_irq_in & (1ULL << i)) { - if (s->obio_irq_map[i - 32] & PBM_PCI_IMR_ENABLED) { - pbm_set_request(s, i); - break; - } - } - } -} - -static inline void pbm_clear_request(APBState *s, unsigned int irq_num) -{ - APB_DPRINTF("%s: clear request irq %d\n", __func__, irq_num); - qemu_set_irq(s->ivec_irqs[irq_num], 0); - s->irq_request = NO_IRQ_REQUEST; -} - -static AddressSpace *pbm_pci_dma_iommu(PCIBus *bus, void *opaque, int devfn) -{ - IOMMUState *is = opaque; - - return &is->iommu_as; -} - -/* Called from RCU critical section */ -static IOMMUTLBEntry pbm_translate_iommu(MemoryRegion *iommu, hwaddr addr, - bool is_write) -{ - IOMMUState *is = container_of(iommu, IOMMUState, iommu); - hwaddr baseaddr, offset; - uint64_t tte; - uint32_t tsbsize; - IOMMUTLBEntry ret = { - .target_as = &address_space_memory, - .iova = 0, - .translated_addr = 0, - .addr_mask = ~(hwaddr)0, - .perm = IOMMU_NONE, - }; - - if (!(is->regs[IOMMU_CTRL >> 3] & IOMMU_CTRL_MMU_EN)) { - /* IOMMU disabled, passthrough using standard 8K page */ - ret.iova = addr & IOMMU_PAGE_MASK_8K; - ret.translated_addr = addr; - ret.addr_mask = IOMMU_PAGE_MASK_8K; - ret.perm = IOMMU_RW; - - return ret; - } - - baseaddr = is->regs[IOMMU_BASE >> 3]; - tsbsize = (is->regs[IOMMU_CTRL >> 3] >> IOMMU_CTRL_TSB_SHIFT) & 0x7; - - if (is->regs[IOMMU_CTRL >> 3] & IOMMU_CTRL_TBW_SIZE) { - /* 64K */ - switch (tsbsize) { - case 0: - offset = (addr & IOMMU_TSB_64K_OFFSET_MASK_64M) >> 13; - break; - case 1: - offset = (addr & IOMMU_TSB_64K_OFFSET_MASK_128M) >> 13; - break; - case 2: - offset = (addr & IOMMU_TSB_64K_OFFSET_MASK_256M) >> 13; - break; - case 3: - offset = (addr & IOMMU_TSB_64K_OFFSET_MASK_512M) >> 13; - break; - case 4: - offset = (addr & IOMMU_TSB_64K_OFFSET_MASK_1G) >> 13; - break; - case 5: - offset = (addr & IOMMU_TSB_64K_OFFSET_MASK_2G) >> 13; - break; - default: - /* Not implemented, error */ - return ret; - } - } else { - /* 8K */ - switch (tsbsize) { - case 0: - offset = (addr & IOMMU_TSB_8K_OFFSET_MASK_8M) >> 10; - break; - case 1: - offset = (addr & IOMMU_TSB_8K_OFFSET_MASK_16M) >> 10; - break; - case 2: - offset = (addr & IOMMU_TSB_8K_OFFSET_MASK_32M) >> 10; - break; - case 3: - offset = (addr & IOMMU_TSB_8K_OFFSET_MASK_64M) >> 10; - break; - case 4: - offset = (addr & IOMMU_TSB_8K_OFFSET_MASK_128M) >> 10; - break; - case 5: - offset = (addr & IOMMU_TSB_8K_OFFSET_MASK_256M) >> 10; - break; - case 6: - offset = (addr & IOMMU_TSB_8K_OFFSET_MASK_512M) >> 10; - break; - case 7: - offset = (addr & IOMMU_TSB_8K_OFFSET_MASK_1G) >> 10; - break; - } - } - - tte = address_space_ldq_be(&address_space_memory, baseaddr + offset, - MEMTXATTRS_UNSPECIFIED, NULL); - - if (!(tte & IOMMU_TTE_DATA_V)) { - /* Invalid mapping */ - return ret; - } - - if (tte & IOMMU_TTE_DATA_W) { - /* Writeable */ - ret.perm = IOMMU_RW; - } else { - ret.perm = IOMMU_RO; - } - - /* Extract phys */ - if (tte & IOMMU_TTE_DATA_SIZE) { - /* 64K */ - ret.iova = addr & IOMMU_PAGE_MASK_64K; - ret.translated_addr = tte & IOMMU_TTE_PHYS_MASK_64K; - ret.addr_mask = (IOMMU_PAGE_SIZE_64K - 1); - } else { - /* 8K */ - ret.iova = addr & IOMMU_PAGE_MASK_8K; - ret.translated_addr = tte & IOMMU_TTE_PHYS_MASK_8K; - ret.addr_mask = (IOMMU_PAGE_SIZE_8K - 1); - } - - return ret; -} - -static MemoryRegionIOMMUOps pbm_iommu_ops = { - .translate = pbm_translate_iommu, -}; - -static void iommu_config_write(void *opaque, hwaddr addr, - uint64_t val, unsigned size) -{ - IOMMUState *is = opaque; - - IOMMU_DPRINTF("IOMMU config write: 0x%" HWADDR_PRIx " val: %" PRIx64 - " size: %d\n", addr, val, size); - - switch (addr) { - case IOMMU_CTRL: - if (size == 4) { - is->regs[IOMMU_CTRL >> 3] &= 0xffffffffULL; - is->regs[IOMMU_CTRL >> 3] |= val << 32; - } else { - is->regs[IOMMU_CTRL >> 3] = val; - } - break; - case IOMMU_CTRL + 0x4: - is->regs[IOMMU_CTRL >> 3] &= 0xffffffff00000000ULL; - is->regs[IOMMU_CTRL >> 3] |= val & 0xffffffffULL; - break; - case IOMMU_BASE: - if (size == 4) { - is->regs[IOMMU_BASE >> 3] &= 0xffffffffULL; - is->regs[IOMMU_BASE >> 3] |= val << 32; - } else { - is->regs[IOMMU_BASE >> 3] = val; - } - break; - case IOMMU_BASE + 0x4: - is->regs[IOMMU_BASE >> 3] &= 0xffffffff00000000ULL; - is->regs[IOMMU_BASE >> 3] |= val & 0xffffffffULL; - break; - case IOMMU_FLUSH: - case IOMMU_FLUSH + 0x4: - break; - default: - qemu_log_mask(LOG_UNIMP, - "apb iommu: Unimplemented register write " - "reg 0x%" HWADDR_PRIx " size 0x%x value 0x%" PRIx64 "\n", - addr, size, val); - break; - } -} - -static uint64_t iommu_config_read(void *opaque, hwaddr addr, unsigned size) -{ - IOMMUState *is = opaque; - uint64_t val; - - switch (addr) { - case IOMMU_CTRL: - if (size == 4) { - val = is->regs[IOMMU_CTRL >> 3] >> 32; - } else { - val = is->regs[IOMMU_CTRL >> 3]; - } - break; - case IOMMU_CTRL + 0x4: - val = is->regs[IOMMU_CTRL >> 3] & 0xffffffffULL; - break; - case IOMMU_BASE: - if (size == 4) { - val = is->regs[IOMMU_BASE >> 3] >> 32; - } else { - val = is->regs[IOMMU_BASE >> 3]; - } - break; - case IOMMU_BASE + 0x4: - val = is->regs[IOMMU_BASE >> 3] & 0xffffffffULL; - break; - case IOMMU_FLUSH: - case IOMMU_FLUSH + 0x4: - val = 0; - break; - default: - qemu_log_mask(LOG_UNIMP, - "apb iommu: Unimplemented register read " - "reg 0x%" HWADDR_PRIx " size 0x%x\n", - addr, size); - val = 0; - break; - } - - IOMMU_DPRINTF("IOMMU config read: 0x%" HWADDR_PRIx " val: %" PRIx64 - " size: %d\n", addr, val, size); - - return val; -} - -static void apb_config_writel (void *opaque, hwaddr addr, - uint64_t val, unsigned size) -{ - APBState *s = opaque; - IOMMUState *is = &s->iommu; - - APB_DPRINTF("%s: addr " TARGET_FMT_plx " val %" PRIx64 "\n", __func__, addr, val); - - switch (addr & 0xffff) { - case 0x30 ... 0x4f: /* DMA error registers */ - /* XXX: not implemented yet */ - break; - case 0x200 ... 0x217: /* IOMMU */ - iommu_config_write(is, (addr & 0x1f), val, size); - break; - case 0xc00 ... 0xc3f: /* PCI interrupt control */ - if (addr & 4) { - unsigned int ino = (addr & 0x3f) >> 3; - s->pci_irq_map[ino] &= PBM_PCI_IMR_MASK; - s->pci_irq_map[ino] |= val & ~PBM_PCI_IMR_MASK; - if ((s->irq_request == ino) && !(val & ~PBM_PCI_IMR_MASK)) { - pbm_clear_request(s, ino); - } - pbm_check_irqs(s); - } - break; - case 0x1000 ... 0x107f: /* OBIO interrupt control */ - if (addr & 4) { - unsigned int ino = ((addr & 0xff) >> 3); - s->obio_irq_map[ino] &= PBM_PCI_IMR_MASK; - s->obio_irq_map[ino] |= val & ~PBM_PCI_IMR_MASK; - if ((s->irq_request == (ino | 0x20)) - && !(val & ~PBM_PCI_IMR_MASK)) { - pbm_clear_request(s, ino | 0x20); - } - pbm_check_irqs(s); - } - break; - case 0x1400 ... 0x14ff: /* PCI interrupt clear */ - if (addr & 4) { - unsigned int ino = (addr & 0xff) >> 5; - if ((s->irq_request / 4) == ino) { - pbm_clear_request(s, s->irq_request); - pbm_check_irqs(s); - } - } - break; - case 0x1800 ... 0x1860: /* OBIO interrupt clear */ - if (addr & 4) { - unsigned int ino = ((addr & 0xff) >> 3) | 0x20; - if (s->irq_request == ino) { - pbm_clear_request(s, ino); - pbm_check_irqs(s); - } - } - break; - case 0x2000 ... 0x202f: /* PCI control */ - s->pci_control[(addr & 0x3f) >> 2] = val; - break; - case 0xf020 ... 0xf027: /* Reset control */ - if (addr & 4) { - val &= RESET_MASK; - s->reset_control &= ~(val & RESET_WCMASK); - s->reset_control |= val & RESET_WMASK; - if (val & SOFT_POR) { - s->nr_resets = 0; - qemu_system_reset_request(); - } else if (val & SOFT_XIR) { - qemu_system_reset_request(); - } - } - break; - case 0x5000 ... 0x51cf: /* PIO/DMA diagnostics */ - case 0xa400 ... 0xa67f: /* IOMMU diagnostics */ - case 0xa800 ... 0xa80f: /* Interrupt diagnostics */ - case 0xf000 ... 0xf01f: /* FFB config, memory control */ - /* we don't care */ - default: - break; - } -} - -static uint64_t apb_config_readl (void *opaque, - hwaddr addr, unsigned size) -{ - APBState *s = opaque; - IOMMUState *is = &s->iommu; - uint32_t val; - - switch (addr & 0xffff) { - case 0x30 ... 0x4f: /* DMA error registers */ - val = 0; - /* XXX: not implemented yet */ - break; - case 0x200 ... 0x217: /* IOMMU */ - val = iommu_config_read(is, (addr & 0x1f), size); - break; - case 0xc00 ... 0xc3f: /* PCI interrupt control */ - if (addr & 4) { - val = s->pci_irq_map[(addr & 0x3f) >> 3]; - } else { - val = 0; - } - break; - case 0x1000 ... 0x107f: /* OBIO interrupt control */ - if (addr & 4) { - val = s->obio_irq_map[(addr & 0xff) >> 3]; - } else { - val = 0; - } - break; - case 0x1080 ... 0x108f: /* PCI bus error */ - if (addr & 4) { - val = s->pci_err_irq_map[(addr & 0xf) >> 3]; - } else { - val = 0; - } - break; - case 0x2000 ... 0x202f: /* PCI control */ - val = s->pci_control[(addr & 0x3f) >> 2]; - break; - case 0xf020 ... 0xf027: /* Reset control */ - if (addr & 4) { - val = s->reset_control; - } else { - val = 0; - } - break; - case 0x5000 ... 0x51cf: /* PIO/DMA diagnostics */ - case 0xa400 ... 0xa67f: /* IOMMU diagnostics */ - case 0xa800 ... 0xa80f: /* Interrupt diagnostics */ - case 0xf000 ... 0xf01f: /* FFB config, memory control */ - /* we don't care */ - default: - val = 0; - break; - } - APB_DPRINTF("%s: addr " TARGET_FMT_plx " -> %x\n", __func__, addr, val); - - return val; -} - -static const MemoryRegionOps apb_config_ops = { - .read = apb_config_readl, - .write = apb_config_writel, - .endianness = DEVICE_NATIVE_ENDIAN, -}; - -static void apb_pci_config_write(void *opaque, hwaddr addr, - uint64_t val, unsigned size) -{ - APBState *s = opaque; - PCIHostState *phb = PCI_HOST_BRIDGE(s); - - val = qemu_bswap_len(val, size); - APB_DPRINTF("%s: addr " TARGET_FMT_plx " val %" PRIx64 "\n", __func__, addr, val); - pci_data_write(phb->bus, addr, val, size); -} - -static uint64_t apb_pci_config_read(void *opaque, hwaddr addr, - unsigned size) -{ - uint32_t ret; - APBState *s = opaque; - PCIHostState *phb = PCI_HOST_BRIDGE(s); - - ret = pci_data_read(phb->bus, addr, size); - ret = qemu_bswap_len(ret, size); - APB_DPRINTF("%s: addr " TARGET_FMT_plx " -> %x\n", __func__, addr, ret); - return ret; -} - -/* The APB host has an IRQ line for each IRQ line of each slot. */ -static int pci_apb_map_irq(PCIDevice *pci_dev, int irq_num) -{ - return ((pci_dev->devfn & 0x18) >> 1) + irq_num; -} - -static int pci_pbm_map_irq(PCIDevice *pci_dev, int irq_num) -{ - int bus_offset; - if (pci_dev->devfn & 1) - bus_offset = 16; - else - bus_offset = 0; - return (bus_offset + (PCI_SLOT(pci_dev->devfn) << 2) + irq_num) & 0x1f; -} - -static void pci_apb_set_irq(void *opaque, int irq_num, int level) -{ - APBState *s = opaque; - - APB_DPRINTF("%s: set irq_in %d level %d\n", __func__, irq_num, level); - /* PCI IRQ map onto the first 32 INO. */ - if (irq_num < 32) { - if (level) { - s->pci_irq_in |= 1ULL << irq_num; - if (s->pci_irq_map[irq_num >> 2] & PBM_PCI_IMR_ENABLED) { - pbm_set_request(s, irq_num); - } - } else { - s->pci_irq_in &= ~(1ULL << irq_num); - } - } else { - /* OBIO IRQ map onto the next 32 INO. */ - if (level) { - APB_DPRINTF("%s: set irq %d level %d\n", __func__, irq_num, level); - s->pci_irq_in |= 1ULL << irq_num; - if ((s->irq_request == NO_IRQ_REQUEST) - && (s->obio_irq_map[irq_num - 32] & PBM_PCI_IMR_ENABLED)) { - pbm_set_request(s, irq_num); - } - } else { - s->pci_irq_in &= ~(1ULL << irq_num); - } - } -} - -static int apb_pci_bridge_initfn(PCIDevice *dev) -{ - pci_bridge_initfn(dev, TYPE_PCI_BUS); - - /* - * command register: - * According to PCI bridge spec, after reset - * bus master bit is off - * memory space enable bit is off - * According to manual (805-1251.pdf). - * the reset value should be zero unless the boot pin is tied high - * (which is true) and thus it should be PCI_COMMAND_MEMORY. - */ - pci_set_word(dev->config + PCI_COMMAND, - PCI_COMMAND_MEMORY); - pci_set_word(dev->config + PCI_STATUS, - PCI_STATUS_FAST_BACK | PCI_STATUS_66MHZ | - PCI_STATUS_DEVSEL_MEDIUM); - return 0; -} - -PCIBus *pci_apb_init(hwaddr special_base, - hwaddr mem_base, - qemu_irq *ivec_irqs, PCIBus **bus2, PCIBus **bus3, - qemu_irq **pbm_irqs) -{ - DeviceState *dev; - SysBusDevice *s; - PCIHostState *phb; - APBState *d; - IOMMUState *is; - PCIDevice *pci_dev; - PCIBridge *br; - - /* Ultrasparc PBM main bus */ - dev = qdev_create(NULL, TYPE_APB); - qdev_init_nofail(dev); - s = SYS_BUS_DEVICE(dev); - /* apb_config */ - sysbus_mmio_map(s, 0, special_base); - /* PCI configuration space */ - sysbus_mmio_map(s, 1, special_base + 0x1000000ULL); - /* pci_ioport */ - sysbus_mmio_map(s, 2, special_base + 0x2000000ULL); - d = APB_DEVICE(dev); - - memory_region_init(&d->pci_mmio, OBJECT(s), "pci-mmio", 0x100000000ULL); - memory_region_add_subregion(get_system_memory(), mem_base, &d->pci_mmio); - - phb = PCI_HOST_BRIDGE(dev); - phb->bus = pci_register_bus(DEVICE(phb), "pci", - pci_apb_set_irq, pci_pbm_map_irq, d, - &d->pci_mmio, - get_system_io(), - 0, 32, TYPE_PCI_BUS); - - *pbm_irqs = d->pbm_irqs; - d->ivec_irqs = ivec_irqs; - - pci_create_simple(phb->bus, 0, "pbm-pci"); - - /* APB IOMMU */ - is = &d->iommu; - memset(is, 0, sizeof(IOMMUState)); - - memory_region_init_iommu(&is->iommu, OBJECT(dev), &pbm_iommu_ops, - "iommu-apb", UINT64_MAX); - address_space_init(&is->iommu_as, &is->iommu, "pbm-as"); - pci_setup_iommu(phb->bus, pbm_pci_dma_iommu, is); - - /* APB secondary busses */ - pci_dev = pci_create_multifunction(phb->bus, PCI_DEVFN(1, 0), true, - "pbm-bridge"); - br = PCI_BRIDGE(pci_dev); - pci_bridge_map_irq(br, "Advanced PCI Bus secondary bridge 1", - pci_apb_map_irq); - qdev_init_nofail(&pci_dev->qdev); - *bus2 = pci_bridge_get_sec_bus(br); - - pci_dev = pci_create_multifunction(phb->bus, PCI_DEVFN(1, 1), true, - "pbm-bridge"); - br = PCI_BRIDGE(pci_dev); - pci_bridge_map_irq(br, "Advanced PCI Bus secondary bridge 2", - pci_apb_map_irq); - qdev_init_nofail(&pci_dev->qdev); - *bus3 = pci_bridge_get_sec_bus(br); - - return phb->bus; -} - -static void pci_pbm_reset(DeviceState *d) -{ - unsigned int i; - APBState *s = APB_DEVICE(d); - - for (i = 0; i < 8; i++) { - s->pci_irq_map[i] &= PBM_PCI_IMR_MASK; - } - for (i = 0; i < 32; i++) { - s->obio_irq_map[i] &= PBM_PCI_IMR_MASK; - } - - s->irq_request = NO_IRQ_REQUEST; - s->pci_irq_in = 0ULL; - - if (s->nr_resets++ == 0) { - /* Power on reset */ - s->reset_control = POR; - } -} - -static const MemoryRegionOps pci_config_ops = { - .read = apb_pci_config_read, - .write = apb_pci_config_write, - .endianness = DEVICE_NATIVE_ENDIAN, -}; - -static int pci_pbm_init_device(SysBusDevice *dev) -{ - APBState *s; - unsigned int i; - - s = APB_DEVICE(dev); - for (i = 0; i < 8; i++) { - s->pci_irq_map[i] = (0x1f << 6) | (i << 2); - } - for (i = 0; i < 2; i++) { - s->pci_err_irq_map[i] = (0x1f << 6) | 0x30; - } - for (i = 0; i < 32; i++) { - s->obio_irq_map[i] = ((0x1f << 6) | 0x20) + i; - } - s->pbm_irqs = qemu_allocate_irqs(pci_apb_set_irq, s, MAX_IVEC); - s->irq_request = NO_IRQ_REQUEST; - s->pci_irq_in = 0ULL; - - /* apb_config */ - memory_region_init_io(&s->apb_config, OBJECT(s), &apb_config_ops, s, - "apb-config", 0x10000); - /* at region 0 */ - sysbus_init_mmio(dev, &s->apb_config); - - memory_region_init_io(&s->pci_config, OBJECT(s), &pci_config_ops, s, - "apb-pci-config", 0x1000000); - /* at region 1 */ - sysbus_init_mmio(dev, &s->pci_config); - - /* pci_ioport */ - memory_region_init_alias(&s->pci_ioport, OBJECT(s), "apb-pci-ioport", - get_system_io(), 0, 0x10000); - /* at region 2 */ - sysbus_init_mmio(dev, &s->pci_ioport); - - return 0; -} - -static void pbm_pci_host_realize(PCIDevice *d, Error **errp) -{ - pci_set_word(d->config + PCI_COMMAND, - PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER); - pci_set_word(d->config + PCI_STATUS, - PCI_STATUS_FAST_BACK | PCI_STATUS_66MHZ | - PCI_STATUS_DEVSEL_MEDIUM); -} - -static void pbm_pci_host_class_init(ObjectClass *klass, void *data) -{ - PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); - DeviceClass *dc = DEVICE_CLASS(klass); - - k->realize = pbm_pci_host_realize; - k->vendor_id = PCI_VENDOR_ID_SUN; - k->device_id = PCI_DEVICE_ID_SUN_SABRE; - k->class_id = PCI_CLASS_BRIDGE_HOST; - /* - * PCI-facing part of the host bridge, not usable without the - * host-facing part, which can't be device_add'ed, yet. - */ - dc->cannot_instantiate_with_device_add_yet = true; -} - -static const TypeInfo pbm_pci_host_info = { - .name = "pbm-pci", - .parent = TYPE_PCI_DEVICE, - .instance_size = sizeof(PCIDevice), - .class_init = pbm_pci_host_class_init, -}; - -static void pbm_host_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); - - k->init = pci_pbm_init_device; - set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories); - dc->reset = pci_pbm_reset; -} - -static const TypeInfo pbm_host_info = { - .name = TYPE_APB, - .parent = TYPE_PCI_HOST_BRIDGE, - .instance_size = sizeof(APBState), - .class_init = pbm_host_class_init, -}; - -static void pbm_pci_bridge_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); - - k->init = apb_pci_bridge_initfn; - k->exit = pci_bridge_exitfn; - k->vendor_id = PCI_VENDOR_ID_SUN; - k->device_id = PCI_DEVICE_ID_SUN_SIMBA; - k->revision = 0x11; - k->config_write = pci_bridge_write_config; - k->is_bridge = 1; - set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories); - dc->reset = pci_bridge_reset; - dc->vmsd = &vmstate_pci_device; -} - -static const TypeInfo pbm_pci_bridge_info = { - .name = "pbm-bridge", - .parent = TYPE_PCI_BRIDGE, - .class_init = pbm_pci_bridge_class_init, -}; - -static void pbm_register_types(void) -{ - type_register_static(&pbm_host_info); - type_register_static(&pbm_pci_host_info); - type_register_static(&pbm_pci_bridge_info); -} - -type_init(pbm_register_types) |