diff options
Diffstat (limited to 'hw/pci-host/mv64361.c')
| -rw-r--r-- | hw/pci-host/mv64361.c | 951 |
1 files changed, 951 insertions, 0 deletions
diff --git a/hw/pci-host/mv64361.c b/hw/pci-host/mv64361.c new file mode 100644 index 0000000000..20510d8680 --- /dev/null +++ b/hw/pci-host/mv64361.c @@ -0,0 +1,951 @@ +/* + * Marvell Discovery II MV64361 System Controller for + * QEMU PowerPC CHRP (Genesi/bPlan Pegasos II) hardware System Emulator + * + * Copyright (c) 2018-2020 BALATON Zoltan + * + * This work is licensed under the GNU GPL license version 2 or later. + * + */ + +#include "qemu/osdep.h" +#include "qemu-common.h" +#include "qemu/units.h" +#include "qapi/error.h" +#include "hw/hw.h" +#include "hw/sysbus.h" +#include "hw/pci/pci.h" +#include "hw/pci/pci_host.h" +#include "hw/irq.h" +#include "hw/intc/i8259.h" +#include "hw/qdev-properties.h" +#include "exec/address-spaces.h" +#include "qemu/log.h" +#include "qemu/error-report.h" +#include "trace.h" +#include "hw/pci-host/mv64361.h" +#include "mv643xx.h" + +#define TYPE_MV64361_PCI_BRIDGE "mv64361-pcibridge" + +static void mv64361_pcibridge_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); + + k->vendor_id = PCI_VENDOR_ID_MARVELL; + k->device_id = PCI_DEVICE_ID_MARVELL_MV6436X; + k->class_id = PCI_CLASS_BRIDGE_HOST; + /* + * PCI-facing part of the host bridge, + * not usable without the host-facing part + */ + dc->user_creatable = false; +} + +static const TypeInfo mv64361_pcibridge_info = { + .name = TYPE_MV64361_PCI_BRIDGE, + .parent = TYPE_PCI_DEVICE, + .instance_size = sizeof(PCIDevice), + .class_init = mv64361_pcibridge_class_init, + .interfaces = (InterfaceInfo[]) { + { INTERFACE_CONVENTIONAL_PCI_DEVICE }, + { }, + }, +}; + + +#define TYPE_MV64361_PCI "mv64361-pcihost" +OBJECT_DECLARE_SIMPLE_TYPE(MV64361PCIState, MV64361_PCI) + +struct MV64361PCIState { + PCIHostState parent_obj; + + uint8_t index; + MemoryRegion io; + MemoryRegion mem; + qemu_irq irq[PCI_NUM_PINS]; + + uint32_t io_base; + uint32_t io_size; + uint32_t mem_base[4]; + uint32_t mem_size[4]; + uint64_t remap[5]; +}; + +static int mv64361_pcihost_map_irq(PCIDevice *pci_dev, int n) +{ + return (n + PCI_SLOT(pci_dev->devfn)) % PCI_NUM_PINS; +} + +static void mv64361_pcihost_set_irq(void *opaque, int n, int level) +{ + MV64361PCIState *s = opaque; + qemu_set_irq(s->irq[n], level); +} + +static void mv64361_pcihost_realize(DeviceState *dev, Error **errp) +{ + MV64361PCIState *s = MV64361_PCI(dev); + PCIHostState *h = PCI_HOST_BRIDGE(dev); + char *name; + + name = g_strdup_printf("pci%d-io", s->index); + memory_region_init(&s->io, OBJECT(dev), name, 0x10000); + g_free(name); + name = g_strdup_printf("pci%d-mem", s->index); + memory_region_init(&s->mem, OBJECT(dev), name, 1ULL << 32); + g_free(name); + name = g_strdup_printf("pci.%d", s->index); + h->bus = pci_register_root_bus(dev, name, mv64361_pcihost_set_irq, + mv64361_pcihost_map_irq, dev, + &s->mem, &s->io, 0, 4, TYPE_PCI_BUS); + g_free(name); + pci_create_simple(h->bus, 0, TYPE_MV64361_PCI_BRIDGE); +} + +static Property mv64361_pcihost_props[] = { + DEFINE_PROP_UINT8("index", MV64361PCIState, index, 0), + DEFINE_PROP_END_OF_LIST() +}; + +static void mv64361_pcihost_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + + dc->realize = mv64361_pcihost_realize; + device_class_set_props(dc, mv64361_pcihost_props); + set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories); +} + +static const TypeInfo mv64361_pcihost_info = { + .name = TYPE_MV64361_PCI, + .parent = TYPE_PCI_HOST_BRIDGE, + .instance_size = sizeof(MV64361PCIState), + .class_init = mv64361_pcihost_class_init, +}; + +static void mv64361_pci_register_types(void) +{ + type_register_static(&mv64361_pcihost_info); + type_register_static(&mv64361_pcibridge_info); +} + +type_init(mv64361_pci_register_types) + + +OBJECT_DECLARE_SIMPLE_TYPE(MV64361State, MV64361) + +struct MV64361State { + SysBusDevice parent_obj; + + MemoryRegion regs; + MV64361PCIState pci[2]; + MemoryRegion cpu_win[19]; + qemu_irq cpu_irq; + + /* registers state */ + uint32_t cpu_conf; + uint32_t regs_base; + uint32_t base_addr_enable; + uint64_t main_int_cr; + uint64_t cpu0_int_mask; + uint32_t gpp_io; + uint32_t gpp_level; + uint32_t gpp_value; + uint32_t gpp_int_cr; + uint32_t gpp_int_mask; + bool gpp_int_level; +}; + +enum mv64361_irq_cause { + MV64361_IRQ_DEVERR = 1, + MV64361_IRQ_DMAERR = 2, + MV64361_IRQ_CPUERR = 3, + MV64361_IRQ_IDMA0 = 4, + MV64361_IRQ_IDMA1 = 5, + MV64361_IRQ_IDMA2 = 6, + MV64361_IRQ_IDMA3 = 7, + MV64361_IRQ_TIMER0 = 8, + MV64361_IRQ_TIMER1 = 9, + MV64361_IRQ_TIMER2 = 10, + MV64361_IRQ_TIMER3 = 11, + MV64361_IRQ_PCI0 = 12, + MV64361_IRQ_SRAMERR = 13, + MV64361_IRQ_GBEERR = 14, + MV64361_IRQ_CERR = 15, + MV64361_IRQ_PCI1 = 16, + MV64361_IRQ_DRAMERR = 17, + MV64361_IRQ_WDNMI = 18, + MV64361_IRQ_WDE = 19, + MV64361_IRQ_PCI0IN = 20, + MV64361_IRQ_PCI0OUT = 21, + MV64361_IRQ_PCI1IN = 22, + MV64361_IRQ_PCI1OUT = 23, + MV64361_IRQ_P1_GPP0_7 = 24, + MV64361_IRQ_P1_GPP8_15 = 25, + MV64361_IRQ_P1_GPP16_23 = 26, + MV64361_IRQ_P1_GPP24_31 = 27, + MV64361_IRQ_P1_CPU_DB = 28, + /* 29-31: reserved */ + MV64361_IRQ_GBE0 = 32, + MV64361_IRQ_GBE1 = 33, + MV64361_IRQ_GBE2 = 34, + /* 35: reserved */ + MV64361_IRQ_SDMA0 = 36, + MV64361_IRQ_TWSI = 37, + MV64361_IRQ_SDMA1 = 38, + MV64361_IRQ_BRG = 39, + MV64361_IRQ_MPSC0 = 40, + MV64361_IRQ_MPSC1 = 41, + MV64361_IRQ_G0RX = 42, + MV64361_IRQ_G0TX = 43, + MV64361_IRQ_G0MISC = 44, + MV64361_IRQ_G1RX = 45, + MV64361_IRQ_G1TX = 46, + MV64361_IRQ_G1MISC = 47, + MV64361_IRQ_G2RX = 48, + MV64361_IRQ_G2TX = 49, + MV64361_IRQ_G2MISC = 50, + /* 51-55: reserved */ + MV64361_IRQ_P0_GPP0_7 = 56, + MV64361_IRQ_P0_GPP8_15 = 57, + MV64361_IRQ_P0_GPP16_23 = 58, + MV64361_IRQ_P0_GPP24_31 = 59, + MV64361_IRQ_P0_CPU_DB = 60, + /* 61-63: reserved */ +}; + +PCIBus *mv64361_get_pci_bus(DeviceState *dev, int n) +{ + MV64361State *mv = MV64361(dev); + return PCI_HOST_BRIDGE(&mv->pci[n])->bus; +} + +static void unmap_region(MemoryRegion *mr) +{ + if (memory_region_is_mapped(mr)) { + memory_region_del_subregion(get_system_memory(), mr); + object_unparent(OBJECT(mr)); + } +} + +static void map_pci_region(MemoryRegion *mr, MemoryRegion *parent, + struct Object *owner, const char *name, + hwaddr poffs, uint64_t size, hwaddr moffs) +{ + memory_region_init_alias(mr, owner, name, parent, poffs, size); + memory_region_add_subregion(get_system_memory(), moffs, mr); + trace_mv64361_region_map(name, poffs, size, moffs); +} + +static void set_mem_windows(MV64361State *s, uint32_t val) +{ + MV64361PCIState *p; + MemoryRegion *mr; + uint32_t mask; + int i; + + val &= 0x1fffff; + for (mask = 1, i = 0; i < 21; i++, mask <<= 1) { + if ((val & mask) != (s->base_addr_enable & mask)) { + trace_mv64361_region_enable(!(val & mask) ? "enable" : "disable", i); + /* + * 0-3 are SDRAM chip selects but we map all RAM directly + * 4-7 are device chip selects (not sure what those are) + * 8 is Boot device (ROM) chip select but we map that directly too + */ + if (i == 9) { + p = &s->pci[0]; + mr = &s->cpu_win[i]; + unmap_region(mr); + if (!(val & mask)) { + map_pci_region(mr, &p->io, OBJECT(s), "pci0-io-win", + p->remap[4], (p->io_size + 1) << 16, + (p->io_base & 0xfffff) << 16); + } + } else if (i == 10) { + p = &s->pci[0]; + mr = &s->cpu_win[i]; + unmap_region(mr); + if (!(val & mask)) { + map_pci_region(mr, &p->mem, OBJECT(s), "pci0-mem0-win", + p->remap[0], (p->mem_size[0] + 1) << 16, + (p->mem_base[0] & 0xfffff) << 16); + } + } else if (i == 11) { + p = &s->pci[0]; + mr = &s->cpu_win[i]; + unmap_region(mr); + if (!(val & mask)) { + map_pci_region(mr, &p->mem, OBJECT(s), "pci0-mem1-win", + p->remap[1], (p->mem_size[1] + 1) << 16, + (p->mem_base[1] & 0xfffff) << 16); + } + } else if (i == 12) { + p = &s->pci[0]; + mr = &s->cpu_win[i]; + unmap_region(mr); + if (!(val & mask)) { + map_pci_region(mr, &p->mem, OBJECT(s), "pci0-mem2-win", + p->remap[2], (p->mem_size[2] + 1) << 16, + (p->mem_base[2] & 0xfffff) << 16); + } + } else if (i == 13) { + p = &s->pci[0]; + mr = &s->cpu_win[i]; + unmap_region(mr); + if (!(val & mask)) { + map_pci_region(mr, &p->mem, OBJECT(s), "pci0-mem3-win", + p->remap[3], (p->mem_size[3] + 1) << 16, + (p->mem_base[3] & 0xfffff) << 16); + } + } else if (i == 14) { + p = &s->pci[1]; + mr = &s->cpu_win[i]; + unmap_region(mr); + if (!(val & mask)) { + map_pci_region(mr, &p->io, OBJECT(s), "pci1-io-win", + p->remap[4], (p->io_size + 1) << 16, + (p->io_base & 0xfffff) << 16); + } + } else if (i == 15) { + p = &s->pci[1]; + mr = &s->cpu_win[i]; + unmap_region(mr); + if (!(val & mask)) { + map_pci_region(mr, &p->mem, OBJECT(s), "pci1-mem0-win", + p->remap[0], (p->mem_size[0] + 1) << 16, + (p->mem_base[0] & 0xfffff) << 16); + } + } else if (i == 16) { + p = &s->pci[1]; + mr = &s->cpu_win[i]; + unmap_region(mr); + if (!(val & mask)) { + map_pci_region(mr, &p->mem, OBJECT(s), "pci1-mem1-win", + p->remap[1], (p->mem_size[1] + 1) << 16, + (p->mem_base[1] & 0xfffff) << 16); + } + } else if (i == 17) { + p = &s->pci[1]; + mr = &s->cpu_win[i]; + unmap_region(mr); + if (!(val & mask)) { + map_pci_region(mr, &p->mem, OBJECT(s), "pci1-mem2-win", + p->remap[2], (p->mem_size[2] + 1) << 16, + (p->mem_base[2] & 0xfffff) << 16); + } + } else if (i == 18) { + p = &s->pci[1]; + mr = &s->cpu_win[i]; + unmap_region(mr); + if (!(val & mask)) { + map_pci_region(mr, &p->mem, OBJECT(s), "pci1-mem3-win", + p->remap[3], (p->mem_size[3] + 1) << 16, + (p->mem_base[3] & 0xfffff) << 16); + } + /* 19 is integrated SRAM */ + } else if (i == 20) { + mr = &s->regs; + unmap_region(mr); + if (!(val & mask)) { + memory_region_add_subregion(get_system_memory(), + (s->regs_base & 0xfffff) << 16, mr); + } + } + } + } + s->base_addr_enable = val; +} + +static void mv64361_update_irq(void *opaque, int n, int level) +{ + MV64361State *s = opaque; + uint64_t val = s->main_int_cr; + + if (level) { + val |= BIT_ULL(n); + } else { + val &= ~BIT_ULL(n); + } + if ((s->main_int_cr & s->cpu0_int_mask) != (val & s->cpu0_int_mask)) { + qemu_set_irq(s->cpu_irq, level); + } + s->main_int_cr = val; +} + +static uint64_t mv64361_read(void *opaque, hwaddr addr, unsigned int size) +{ + MV64361State *s = MV64361(opaque); + uint32_t ret = 0; + + switch (addr) { + case MV64340_CPU_CONFIG: + ret = s->cpu_conf; + break; + case MV64340_PCI_0_IO_BASE_ADDR: + ret = s->pci[0].io_base; + break; + case MV64340_PCI_0_IO_SIZE: + ret = s->pci[0].io_size; + break; + case MV64340_PCI_0_IO_ADDR_REMAP: + ret = s->pci[0].remap[4] >> 16; + break; + case MV64340_PCI_0_MEMORY0_BASE_ADDR: + ret = s->pci[0].mem_base[0]; + break; + case MV64340_PCI_0_MEMORY0_SIZE: + ret = s->pci[0].mem_size[0]; + break; + case MV64340_PCI_0_MEMORY0_LOW_ADDR_REMAP: + ret = (s->pci[0].remap[0] & 0xffff0000) >> 16; + break; + case MV64340_PCI_0_MEMORY0_HIGH_ADDR_REMAP: + ret = s->pci[0].remap[0] >> 32; + break; + case MV64340_PCI_0_MEMORY1_BASE_ADDR: + ret = s->pci[0].mem_base[1]; + break; + case MV64340_PCI_0_MEMORY1_SIZE: + ret = s->pci[0].mem_size[1]; + break; + case MV64340_PCI_0_MEMORY1_LOW_ADDR_REMAP: + ret = (s->pci[0].remap[1] & 0xffff0000) >> 16; + break; + case MV64340_PCI_0_MEMORY1_HIGH_ADDR_REMAP: + ret = s->pci[0].remap[1] >> 32; + break; + case MV64340_PCI_0_MEMORY2_BASE_ADDR: + ret = s->pci[0].mem_base[2]; + break; + case MV64340_PCI_0_MEMORY2_SIZE: + ret = s->pci[0].mem_size[2]; + break; + case MV64340_PCI_0_MEMORY2_LOW_ADDR_REMAP: + ret = (s->pci[0].remap[2] & 0xffff0000) >> 16; + break; + case MV64340_PCI_0_MEMORY2_HIGH_ADDR_REMAP: + ret = s->pci[0].remap[2] >> 32; + break; + case MV64340_PCI_0_MEMORY3_BASE_ADDR: + ret = s->pci[0].mem_base[3]; + break; + case MV64340_PCI_0_MEMORY3_SIZE: + ret = s->pci[0].mem_size[3]; + break; + case MV64340_PCI_0_MEMORY3_LOW_ADDR_REMAP: + ret = (s->pci[0].remap[3] & 0xffff0000) >> 16; + break; + case MV64340_PCI_0_MEMORY3_HIGH_ADDR_REMAP: + ret = s->pci[0].remap[3] >> 32; + break; + case MV64340_PCI_1_IO_BASE_ADDR: + ret = s->pci[1].io_base; + break; + case MV64340_PCI_1_IO_SIZE: + ret = s->pci[1].io_size; + break; + case MV64340_PCI_1_IO_ADDR_REMAP: + ret = s->pci[1].remap[4] >> 16; + break; + case MV64340_PCI_1_MEMORY0_BASE_ADDR: + ret = s->pci[1].mem_base[0]; + break; + case MV64340_PCI_1_MEMORY0_SIZE: + ret = s->pci[1].mem_size[0]; + break; + case MV64340_PCI_1_MEMORY0_LOW_ADDR_REMAP: + ret = (s->pci[1].remap[0] & 0xffff0000) >> 16; + break; + case MV64340_PCI_1_MEMORY0_HIGH_ADDR_REMAP: + ret = s->pci[1].remap[0] >> 32; + break; + case MV64340_PCI_1_MEMORY1_BASE_ADDR: + ret = s->pci[1].mem_base[1]; + break; + case MV64340_PCI_1_MEMORY1_SIZE: + ret = s->pci[1].mem_size[1]; + break; + case MV64340_PCI_1_MEMORY1_LOW_ADDR_REMAP: + ret = (s->pci[1].remap[1] & 0xffff0000) >> 16; + break; + case MV64340_PCI_1_MEMORY1_HIGH_ADDR_REMAP: + ret = s->pci[1].remap[1] >> 32; + break; + case MV64340_PCI_1_MEMORY2_BASE_ADDR: + ret = s->pci[1].mem_base[2]; + break; + case MV64340_PCI_1_MEMORY2_SIZE: + ret = s->pci[1].mem_size[2]; + break; + case MV64340_PCI_1_MEMORY2_LOW_ADDR_REMAP: + ret = (s->pci[1].remap[2] & 0xffff0000) >> 16; + break; + case MV64340_PCI_1_MEMORY2_HIGH_ADDR_REMAP: + ret = s->pci[1].remap[2] >> 32; + break; + case MV64340_PCI_1_MEMORY3_BASE_ADDR: + ret = s->pci[1].mem_base[3]; + break; + case MV64340_PCI_1_MEMORY3_SIZE: + ret = s->pci[1].mem_size[3]; + break; + case MV64340_PCI_1_MEMORY3_LOW_ADDR_REMAP: + ret = (s->pci[1].remap[3] & 0xffff0000) >> 16; + break; + case MV64340_PCI_1_MEMORY3_HIGH_ADDR_REMAP: + ret = s->pci[1].remap[3] >> 32; + break; + case MV64340_INTERNAL_SPACE_BASE_ADDR: + ret = s->regs_base; + break; + case MV64340_BASE_ADDR_ENABLE: + ret = s->base_addr_enable; + break; + case MV64340_PCI_0_CONFIG_ADDR: + ret = pci_host_conf_le_ops.read(PCI_HOST_BRIDGE(&s->pci[0]), 0, size); + break; + case MV64340_PCI_0_CONFIG_DATA_VIRTUAL_REG ... + MV64340_PCI_0_CONFIG_DATA_VIRTUAL_REG + 3: + ret = pci_host_data_le_ops.read(PCI_HOST_BRIDGE(&s->pci[0]), + addr - MV64340_PCI_0_CONFIG_DATA_VIRTUAL_REG, size); + break; + case MV64340_PCI_1_CONFIG_ADDR: + ret = pci_host_conf_le_ops.read(PCI_HOST_BRIDGE(&s->pci[1]), 0, size); + break; + case MV64340_PCI_1_CONFIG_DATA_VIRTUAL_REG ... + MV64340_PCI_1_CONFIG_DATA_VIRTUAL_REG + 3: + ret = pci_host_data_le_ops.read(PCI_HOST_BRIDGE(&s->pci[1]), + addr - MV64340_PCI_1_CONFIG_DATA_VIRTUAL_REG, size); + break; + case MV64340_PCI_1_INTERRUPT_ACKNOWLEDGE_VIRTUAL_REG: + /* FIXME: Should this be sent via the PCI bus somehow? */ + if (s->gpp_int_level && (s->gpp_value & BIT(31))) { + ret = pic_read_irq(isa_pic); + } + break; + case MV64340_MAIN_INTERRUPT_CAUSE_LOW: + ret = s->main_int_cr; + break; + case MV64340_MAIN_INTERRUPT_CAUSE_HIGH: + ret = s->main_int_cr >> 32; + break; + case MV64340_CPU_INTERRUPT0_MASK_LOW: + ret = s->cpu0_int_mask; + break; + case MV64340_CPU_INTERRUPT0_MASK_HIGH: + ret = s->cpu0_int_mask >> 32; + break; + case MV64340_CPU_INTERRUPT0_SELECT_CAUSE: + ret = s->main_int_cr; + if (s->main_int_cr & s->cpu0_int_mask) { + if (!(s->main_int_cr & s->cpu0_int_mask & 0xffffffff)) { + ret = s->main_int_cr >> 32 | BIT(30); + } else if ((s->main_int_cr & s->cpu0_int_mask) >> 32) { + ret |= BIT(31); + } + } + break; + case MV64340_CUNIT_ARBITER_CONTROL_REG: + ret = 0x11ff0000 | (s->gpp_int_level << 10); + break; + case MV64340_GPP_IO_CONTROL: + ret = s->gpp_io; + break; + case MV64340_GPP_LEVEL_CONTROL: + ret = s->gpp_level; + break; + case MV64340_GPP_VALUE: + ret = s->gpp_value; + break; + case MV64340_GPP_VALUE_SET: + case MV64340_GPP_VALUE_CLEAR: + ret = 0; + break; + case MV64340_GPP_INTERRUPT_CAUSE: + ret = s->gpp_int_cr; + break; + case MV64340_GPP_INTERRUPT_MASK0: + case MV64340_GPP_INTERRUPT_MASK1: + ret = s->gpp_int_mask; + break; + default: + qemu_log_mask(LOG_UNIMP, "%s: Unimplemented register read 0x%" + HWADDR_PRIx "\n", __func__, addr); + break; + } + if (addr != MV64340_PCI_1_INTERRUPT_ACKNOWLEDGE_VIRTUAL_REG) { + trace_mv64361_reg_read(addr, ret); + } + return ret; +} + +static void warn_swap_bit(uint64_t val) +{ + if ((val & 0x3000000ULL) >> 24 != 1) { + qemu_log_mask(LOG_UNIMP, "%s: Data swap not implemented", __func__); + } +} + +static void mv64361_set_pci_mem_remap(MV64361State *s, int bus, int idx, + uint64_t val, bool high) +{ + if (high) { + s->pci[bus].remap[idx] = val; + } else { + s->pci[bus].remap[idx] &= 0xffffffff00000000ULL; + s->pci[bus].remap[idx] |= (val & 0xffffULL) << 16; + } +} + +static void mv64361_write(void *opaque, hwaddr addr, uint64_t val, + unsigned int size) +{ + MV64361State *s = MV64361(opaque); + + trace_mv64361_reg_write(addr, val); + switch (addr) { + case MV64340_CPU_CONFIG: + s->cpu_conf = val & 0xe4e3bffULL; + s->cpu_conf |= BIT(23); + break; + case MV64340_PCI_0_IO_BASE_ADDR: + s->pci[0].io_base = val & 0x30fffffULL; + warn_swap_bit(val); + if (!(s->cpu_conf & BIT(27))) { + s->pci[0].remap[4] = (val & 0xffffULL) << 16; + } + break; + case MV64340_PCI_0_IO_SIZE: + s->pci[0].io_size = val & 0xffffULL; + break; + case MV64340_PCI_0_IO_ADDR_REMAP: + s->pci[0].remap[4] = (val & 0xffffULL) << 16; + break; + case MV64340_PCI_0_MEMORY0_BASE_ADDR: + s->pci[0].mem_base[0] = val & 0x70fffffULL; + warn_swap_bit(val); + if (!(s->cpu_conf & BIT(27))) { + mv64361_set_pci_mem_remap(s, 0, 0, val, false); + } + break; + case MV64340_PCI_0_MEMORY0_SIZE: + s->pci[0].mem_size[0] = val & 0xffffULL; + break; + case MV64340_PCI_0_MEMORY0_LOW_ADDR_REMAP: + case MV64340_PCI_0_MEMORY0_HIGH_ADDR_REMAP: + mv64361_set_pci_mem_remap(s, 0, 0, val, + (addr == MV64340_PCI_0_MEMORY0_HIGH_ADDR_REMAP)); + break; + case MV64340_PCI_0_MEMORY1_BASE_ADDR: + s->pci[0].mem_base[1] = val & 0x70fffffULL; + warn_swap_bit(val); + if (!(s->cpu_conf & BIT(27))) { + mv64361_set_pci_mem_remap(s, 0, 1, val, false); + } + break; + case MV64340_PCI_0_MEMORY1_SIZE: + s->pci[0].mem_size[1] = val & 0xffffULL; + break; + case MV64340_PCI_0_MEMORY1_LOW_ADDR_REMAP: + case MV64340_PCI_0_MEMORY1_HIGH_ADDR_REMAP: + mv64361_set_pci_mem_remap(s, 0, 1, val, + (addr == MV64340_PCI_0_MEMORY1_HIGH_ADDR_REMAP)); + break; + case MV64340_PCI_0_MEMORY2_BASE_ADDR: + s->pci[0].mem_base[2] = val & 0x70fffffULL; + warn_swap_bit(val); + if (!(s->cpu_conf & BIT(27))) { + mv64361_set_pci_mem_remap(s, 0, 2, val, false); + } + break; + case MV64340_PCI_0_MEMORY2_SIZE: + s->pci[0].mem_size[2] = val & 0xffffULL; + break; + case MV64340_PCI_0_MEMORY2_LOW_ADDR_REMAP: + case MV64340_PCI_0_MEMORY2_HIGH_ADDR_REMAP: + mv64361_set_pci_mem_remap(s, 0, 2, val, + (addr == MV64340_PCI_0_MEMORY2_HIGH_ADDR_REMAP)); + break; + case MV64340_PCI_0_MEMORY3_BASE_ADDR: + s->pci[0].mem_base[3] = val & 0x70fffffULL; + warn_swap_bit(val); + if (!(s->cpu_conf & BIT(27))) { + mv64361_set_pci_mem_remap(s, 0, 3, val, false); + } + break; + case MV64340_PCI_0_MEMORY3_SIZE: + s->pci[0].mem_size[3] = val & 0xffffULL; + break; + case MV64340_PCI_0_MEMORY3_LOW_ADDR_REMAP: + case MV64340_PCI_0_MEMORY3_HIGH_ADDR_REMAP: + mv64361_set_pci_mem_remap(s, 0, 3, val, + (addr == MV64340_PCI_0_MEMORY3_HIGH_ADDR_REMAP)); + break; + case MV64340_PCI_1_IO_BASE_ADDR: + s->pci[1].io_base = val & 0x30fffffULL; + warn_swap_bit(val); + break; + if (!(s->cpu_conf & BIT(27))) { + s->pci[1].remap[4] = (val & 0xffffULL) << 16; + } + break; + case MV64340_PCI_1_IO_SIZE: + s->pci[1].io_size = val & 0xffffULL; + break; + case MV64340_PCI_1_MEMORY0_BASE_ADDR: + s->pci[1].mem_base[0] = val & 0x70fffffULL; + warn_swap_bit(val); + if (!(s->cpu_conf & BIT(27))) { + mv64361_set_pci_mem_remap(s, 1, 0, val, false); + } + break; + case MV64340_PCI_1_MEMORY0_SIZE: + s->pci[1].mem_size[0] = val & 0xffffULL; + break; + case MV64340_PCI_1_MEMORY0_LOW_ADDR_REMAP: + case MV64340_PCI_1_MEMORY0_HIGH_ADDR_REMAP: + mv64361_set_pci_mem_remap(s, 1, 0, val, + (addr == MV64340_PCI_1_MEMORY0_HIGH_ADDR_REMAP)); + break; + case MV64340_PCI_1_MEMORY1_BASE_ADDR: + s->pci[1].mem_base[1] = val & 0x70fffffULL; + warn_swap_bit(val); + if (!(s->cpu_conf & BIT(27))) { + mv64361_set_pci_mem_remap(s, 1, 1, val, false); + } + break; + case MV64340_PCI_1_MEMORY1_SIZE: + s->pci[1].mem_size[1] = val & 0xffffULL; + break; + case MV64340_PCI_1_MEMORY1_LOW_ADDR_REMAP: + case MV64340_PCI_1_MEMORY1_HIGH_ADDR_REMAP: + mv64361_set_pci_mem_remap(s, 1, 1, val, + (addr == MV64340_PCI_1_MEMORY1_HIGH_ADDR_REMAP)); + break; + case MV64340_PCI_1_MEMORY2_BASE_ADDR: + s->pci[1].mem_base[2] = val & 0x70fffffULL; + warn_swap_bit(val); + if (!(s->cpu_conf & BIT(27))) { + mv64361_set_pci_mem_remap(s, 1, 2, val, false); + } + break; + case MV64340_PCI_1_MEMORY2_SIZE: + s->pci[1].mem_size[2] = val & 0xffffULL; + break; + case MV64340_PCI_1_MEMORY2_LOW_ADDR_REMAP: + case MV64340_PCI_1_MEMORY2_HIGH_ADDR_REMAP: + mv64361_set_pci_mem_remap(s, 1, 2, val, + (addr == MV64340_PCI_1_MEMORY2_HIGH_ADDR_REMAP)); + break; + case MV64340_PCI_1_MEMORY3_BASE_ADDR: + s->pci[1].mem_base[3] = val & 0x70fffffULL; + warn_swap_bit(val); + if (!(s->cpu_conf & BIT(27))) { + mv64361_set_pci_mem_remap(s, 1, 3, val, false); + } + break; + case MV64340_PCI_1_MEMORY3_SIZE: + s->pci[1].mem_size[3] = val & 0xffffULL; + break; + case MV64340_PCI_1_MEMORY3_LOW_ADDR_REMAP: + case MV64340_PCI_1_MEMORY3_HIGH_ADDR_REMAP: + mv64361_set_pci_mem_remap(s, 1, 3, val, + (addr == MV64340_PCI_1_MEMORY3_HIGH_ADDR_REMAP)); + break; + case MV64340_INTERNAL_SPACE_BASE_ADDR: + s->regs_base = val & 0xfffffULL; + break; + case MV64340_BASE_ADDR_ENABLE: + set_mem_windows(s, val); + break; + case MV64340_PCI_0_CONFIG_ADDR: + pci_host_conf_le_ops.write(PCI_HOST_BRIDGE(&s->pci[0]), 0, val, size); + break; + case MV64340_PCI_0_CONFIG_DATA_VIRTUAL_REG ... + MV64340_PCI_0_CONFIG_DATA_VIRTUAL_REG + 3: + pci_host_data_le_ops.write(PCI_HOST_BRIDGE(&s->pci[0]), + addr - MV64340_PCI_0_CONFIG_DATA_VIRTUAL_REG, val, size); + break; + case MV64340_PCI_1_CONFIG_ADDR: + pci_host_conf_le_ops.write(PCI_HOST_BRIDGE(&s->pci[1]), 0, val, size); + break; + case MV64340_PCI_1_CONFIG_DATA_VIRTUAL_REG ... + MV64340_PCI_1_CONFIG_DATA_VIRTUAL_REG + 3: + pci_host_data_le_ops.write(PCI_HOST_BRIDGE(&s->pci[1]), + addr - MV64340_PCI_1_CONFIG_DATA_VIRTUAL_REG, val, size); + break; + case MV64340_CPU_INTERRUPT0_MASK_LOW: + s->cpu0_int_mask &= 0xffffffff00000000ULL; + s->cpu0_int_mask |= val & 0xffffffffULL; + break; + case MV64340_CPU_INTERRUPT0_MASK_HIGH: + s->cpu0_int_mask &= 0xffffffffULL; + s->cpu0_int_mask |= val << 32; + break; + case MV64340_CUNIT_ARBITER_CONTROL_REG: + s->gpp_int_level = !!(val & BIT(10)); + break; + case MV64340_GPP_IO_CONTROL: + s->gpp_io = val; + break; + case MV64340_GPP_LEVEL_CONTROL: + s->gpp_level = val; + break; + case MV64340_GPP_VALUE: + s->gpp_value &= ~s->gpp_io; + s->gpp_value |= val & s->gpp_io; + break; + case MV64340_GPP_VALUE_SET: + s->gpp_value |= val & s->gpp_io; + break; + case MV64340_GPP_VALUE_CLEAR: + s->gpp_value &= ~(val & s->gpp_io); + break; + case MV64340_GPP_INTERRUPT_CAUSE: + if (!s->gpp_int_level && val != s->gpp_int_cr) { + int i; + uint32_t ch = s->gpp_int_cr ^ val; + s->gpp_int_cr = val; + for (i = 0; i < 4; i++) { + if ((ch & 0xff << i) && !(val & 0xff << i)) { + mv64361_update_irq(opaque, MV64361_IRQ_P0_GPP0_7 + i, 0); + } + } + } else { + s->gpp_int_cr = val; + } + break; + case MV64340_GPP_INTERRUPT_MASK0: + case MV64340_GPP_INTERRUPT_MASK1: + s->gpp_int_mask = val; + break; + default: + qemu_log_mask(LOG_UNIMP, "%s: Unimplemented register write 0x%" + HWADDR_PRIx " = %"PRIx64"\n", __func__, addr, val); + break; + } +} + +static const MemoryRegionOps mv64361_ops = { + .read = mv64361_read, + .write = mv64361_write, + .valid.min_access_size = 1, + .valid.max_access_size = 4, + .endianness = DEVICE_LITTLE_ENDIAN, +}; + +static void mv64361_gpp_irq(void *opaque, int n, int level) +{ + MV64361State *s = opaque; + uint32_t mask = BIT(n); + uint32_t val = s->gpp_value & ~mask; + + if (s->gpp_level & mask) { + level = !level; + } + val |= level << n; + if (val > s->gpp_value) { + s->gpp_value = val; + s->gpp_int_cr |= mask; + if (s->gpp_int_mask & mask) { + mv64361_update_irq(opaque, MV64361_IRQ_P0_GPP0_7 + n / 8, 1); + } + } else if (val < s->gpp_value) { + int b = n / 8; + s->gpp_value = val; + if (s->gpp_int_level && !(val & 0xff << b)) { + mv64361_update_irq(opaque, MV64361_IRQ_P0_GPP0_7 + b, 0); + } + } +} + +static void mv64361_realize(DeviceState *dev, Error **errp) +{ + MV64361State *s = MV64361(dev); + int i; + + s->base_addr_enable = 0x1fffff; + memory_region_init_io(&s->regs, OBJECT(s), &mv64361_ops, s, + TYPE_MV64361, 0x10000); + for (i = 0; i < 2; i++) { + g_autofree char *name = g_strdup_printf("pcihost%d", i); + object_initialize_child(OBJECT(dev), name, &s->pci[i], + TYPE_MV64361_PCI); + DeviceState *pci = DEVICE(&s->pci[i]); + qdev_prop_set_uint8(pci, "index", i); + sysbus_realize_and_unref(SYS_BUS_DEVICE(pci), &error_fatal); + } + sysbus_init_irq(SYS_BUS_DEVICE(dev), &s->cpu_irq); + qdev_init_gpio_in_named(dev, mv64361_gpp_irq, "gpp", 32); + /* FIXME: PCI IRQ connections may be board specific */ + for (i = 0; i < PCI_NUM_PINS; i++) { + s->pci[1].irq[i] = qdev_get_gpio_in_named(dev, "gpp", 12 + i); + } +} + +static void mv64361_reset(DeviceState *dev) +{ + MV64361State *s = MV64361(dev); + int i, j; + + /* + * These values may be board specific + * Real chip supports init from an eprom but that's not modelled + */ + set_mem_windows(s, 0x1fffff); + s->cpu_conf = 0x28000ff; + s->regs_base = 0x100f100; + s->pci[0].io_base = 0x100f800; + s->pci[0].io_size = 0xff; + s->pci[0].mem_base[0] = 0x100c000; + s->pci[0].mem_size[0] = 0x1fff; + s->pci[0].mem_base[1] = 0x100f900; + s->pci[0].mem_size[1] = 0xff; + s->pci[0].mem_base[2] = 0x100f400; + s->pci[0].mem_size[2] = 0x1ff; + s->pci[0].mem_base[3] = 0x100f600; + s->pci[0].mem_size[3] = 0x1ff; + s->pci[1].io_base = 0x100fe00; + s->pci[1].io_size = 0xff; + s->pci[1].mem_base[0] = 0x1008000; + s->pci[1].mem_size[0] = 0x3fff; + s->pci[1].mem_base[1] = 0x100fd00; + s->pci[1].mem_size[1] = 0xff; + s->pci[1].mem_base[2] = 0x1002600; + s->pci[1].mem_size[2] = 0x1ff; + s->pci[1].mem_base[3] = 0x100ff80; + s->pci[1].mem_size[3] = 0x7f; + for (i = 0; i < 2; i++) { + for (j = 0; j < 4; j++) { + s->pci[i].remap[j] = s->pci[i].mem_base[j] << 16; + } + } + s->pci[0].remap[1] = 0; + s->pci[1].remap[1] = 0; + set_mem_windows(s, 0xfbfff); +} + +static void mv64361_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + + dc->realize = mv64361_realize; + dc->reset = mv64361_reset; +} + +static const TypeInfo mv64361_type_info = { + .name = TYPE_MV64361, + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(MV64361State), + .class_init = mv64361_class_init, +}; + +static void mv64361_register_types(void) +{ + type_register_static(&mv64361_type_info); +} + +type_init(mv64361_register_types) |