diff options
author | Yang Zhang <yang.z.zhang@intel.com> | 2015-08-28 09:58:54 +0800 |
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committer | Yang Zhang <yang.z.zhang@intel.com> | 2015-09-01 12:44:00 +0800 |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/hw/arm/versatilepb.c | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/hw/arm/versatilepb.c')
-rw-r--r-- | qemu/hw/arm/versatilepb.c | 437 |
1 files changed, 437 insertions, 0 deletions
diff --git a/qemu/hw/arm/versatilepb.c b/qemu/hw/arm/versatilepb.c new file mode 100644 index 000000000..6c69f4eaa --- /dev/null +++ b/qemu/hw/arm/versatilepb.c @@ -0,0 +1,437 @@ +/* + * ARM Versatile Platform/Application Baseboard System emulation. + * + * Copyright (c) 2005-2007 CodeSourcery. + * Written by Paul Brook + * + * This code is licensed under the GPL. + */ + +#include "hw/sysbus.h" +#include "hw/arm/arm.h" +#include "hw/devices.h" +#include "net/net.h" +#include "sysemu/sysemu.h" +#include "hw/pci/pci.h" +#include "hw/i2c/i2c.h" +#include "hw/boards.h" +#include "sysemu/block-backend.h" +#include "exec/address-spaces.h" +#include "hw/block/flash.h" +#include "qemu/error-report.h" + +#define VERSATILE_FLASH_ADDR 0x34000000 +#define VERSATILE_FLASH_SIZE (64 * 1024 * 1024) +#define VERSATILE_FLASH_SECT_SIZE (256 * 1024) + +/* Primary interrupt controller. */ + +#define TYPE_VERSATILE_PB_SIC "versatilepb_sic" +#define VERSATILE_PB_SIC(obj) \ + OBJECT_CHECK(vpb_sic_state, (obj), TYPE_VERSATILE_PB_SIC) + +typedef struct vpb_sic_state { + SysBusDevice parent_obj; + + MemoryRegion iomem; + uint32_t level; + uint32_t mask; + uint32_t pic_enable; + qemu_irq parent[32]; + int irq; +} vpb_sic_state; + +static const VMStateDescription vmstate_vpb_sic = { + .name = "versatilepb_sic", + .version_id = 1, + .minimum_version_id = 1, + .fields = (VMStateField[]) { + VMSTATE_UINT32(level, vpb_sic_state), + VMSTATE_UINT32(mask, vpb_sic_state), + VMSTATE_UINT32(pic_enable, vpb_sic_state), + VMSTATE_END_OF_LIST() + } +}; + +static void vpb_sic_update(vpb_sic_state *s) +{ + uint32_t flags; + + flags = s->level & s->mask; + qemu_set_irq(s->parent[s->irq], flags != 0); +} + +static void vpb_sic_update_pic(vpb_sic_state *s) +{ + int i; + uint32_t mask; + + for (i = 21; i <= 30; i++) { + mask = 1u << i; + if (!(s->pic_enable & mask)) + continue; + qemu_set_irq(s->parent[i], (s->level & mask) != 0); + } +} + +static void vpb_sic_set_irq(void *opaque, int irq, int level) +{ + vpb_sic_state *s = (vpb_sic_state *)opaque; + if (level) + s->level |= 1u << irq; + else + s->level &= ~(1u << irq); + if (s->pic_enable & (1u << irq)) + qemu_set_irq(s->parent[irq], level); + vpb_sic_update(s); +} + +static uint64_t vpb_sic_read(void *opaque, hwaddr offset, + unsigned size) +{ + vpb_sic_state *s = (vpb_sic_state *)opaque; + + switch (offset >> 2) { + case 0: /* STATUS */ + return s->level & s->mask; + case 1: /* RAWSTAT */ + return s->level; + case 2: /* ENABLE */ + return s->mask; + case 4: /* SOFTINT */ + return s->level & 1; + case 8: /* PICENABLE */ + return s->pic_enable; + default: + printf ("vpb_sic_read: Bad register offset 0x%x\n", (int)offset); + return 0; + } +} + +static void vpb_sic_write(void *opaque, hwaddr offset, + uint64_t value, unsigned size) +{ + vpb_sic_state *s = (vpb_sic_state *)opaque; + + switch (offset >> 2) { + case 2: /* ENSET */ + s->mask |= value; + break; + case 3: /* ENCLR */ + s->mask &= ~value; + break; + case 4: /* SOFTINTSET */ + if (value) + s->mask |= 1; + break; + case 5: /* SOFTINTCLR */ + if (value) + s->mask &= ~1u; + break; + case 8: /* PICENSET */ + s->pic_enable |= (value & 0x7fe00000); + vpb_sic_update_pic(s); + break; + case 9: /* PICENCLR */ + s->pic_enable &= ~value; + vpb_sic_update_pic(s); + break; + default: + printf ("vpb_sic_write: Bad register offset 0x%x\n", (int)offset); + return; + } + vpb_sic_update(s); +} + +static const MemoryRegionOps vpb_sic_ops = { + .read = vpb_sic_read, + .write = vpb_sic_write, + .endianness = DEVICE_NATIVE_ENDIAN, +}; + +static int vpb_sic_init(SysBusDevice *sbd) +{ + DeviceState *dev = DEVICE(sbd); + vpb_sic_state *s = VERSATILE_PB_SIC(dev); + int i; + + qdev_init_gpio_in(dev, vpb_sic_set_irq, 32); + for (i = 0; i < 32; i++) { + sysbus_init_irq(sbd, &s->parent[i]); + } + s->irq = 31; + memory_region_init_io(&s->iomem, OBJECT(s), &vpb_sic_ops, s, + "vpb-sic", 0x1000); + sysbus_init_mmio(sbd, &s->iomem); + return 0; +} + +/* Board init. */ + +/* The AB and PB boards both use the same core, just with different + peripherals and expansion busses. For now we emulate a subset of the + PB peripherals and just change the board ID. */ + +static struct arm_boot_info versatile_binfo; + +static void versatile_init(MachineState *machine, int board_id) +{ + ObjectClass *cpu_oc; + Object *cpuobj; + ARMCPU *cpu; + MemoryRegion *sysmem = get_system_memory(); + MemoryRegion *ram = g_new(MemoryRegion, 1); + qemu_irq pic[32]; + qemu_irq sic[32]; + DeviceState *dev, *sysctl; + SysBusDevice *busdev; + DeviceState *pl041; + PCIBus *pci_bus; + NICInfo *nd; + I2CBus *i2c; + int n; + int done_smc = 0; + DriveInfo *dinfo; + Error *err = NULL; + + if (!machine->cpu_model) { + machine->cpu_model = "arm926"; + } + + cpu_oc = cpu_class_by_name(TYPE_ARM_CPU, machine->cpu_model); + if (!cpu_oc) { + fprintf(stderr, "Unable to find CPU definition\n"); + exit(1); + } + + cpuobj = object_new(object_class_get_name(cpu_oc)); + + /* By default ARM1176 CPUs have EL3 enabled. This board does not + * currently support EL3 so the CPU EL3 property is disabled before + * realization. + */ + if (object_property_find(cpuobj, "has_el3", NULL)) { + object_property_set_bool(cpuobj, false, "has_el3", &err); + if (err) { + error_report_err(err); + exit(1); + } + } + + object_property_set_bool(cpuobj, true, "realized", &err); + if (err) { + error_report_err(err); + exit(1); + } + + cpu = ARM_CPU(cpuobj); + + memory_region_allocate_system_memory(ram, NULL, "versatile.ram", + machine->ram_size); + /* ??? RAM should repeat to fill physical memory space. */ + /* SDRAM at address zero. */ + memory_region_add_subregion(sysmem, 0, ram); + + sysctl = qdev_create(NULL, "realview_sysctl"); + qdev_prop_set_uint32(sysctl, "sys_id", 0x41007004); + qdev_prop_set_uint32(sysctl, "proc_id", 0x02000000); + qdev_init_nofail(sysctl); + sysbus_mmio_map(SYS_BUS_DEVICE(sysctl), 0, 0x10000000); + + dev = sysbus_create_varargs("pl190", 0x10140000, + qdev_get_gpio_in(DEVICE(cpu), ARM_CPU_IRQ), + qdev_get_gpio_in(DEVICE(cpu), ARM_CPU_FIQ), + NULL); + for (n = 0; n < 32; n++) { + pic[n] = qdev_get_gpio_in(dev, n); + } + dev = sysbus_create_simple(TYPE_VERSATILE_PB_SIC, 0x10003000, NULL); + for (n = 0; n < 32; n++) { + sysbus_connect_irq(SYS_BUS_DEVICE(dev), n, pic[n]); + sic[n] = qdev_get_gpio_in(dev, n); + } + + sysbus_create_simple("pl050_keyboard", 0x10006000, sic[3]); + sysbus_create_simple("pl050_mouse", 0x10007000, sic[4]); + + dev = qdev_create(NULL, "versatile_pci"); + busdev = SYS_BUS_DEVICE(dev); + qdev_init_nofail(dev); + sysbus_mmio_map(busdev, 0, 0x10001000); /* PCI controller regs */ + sysbus_mmio_map(busdev, 1, 0x41000000); /* PCI self-config */ + sysbus_mmio_map(busdev, 2, 0x42000000); /* PCI config */ + sysbus_mmio_map(busdev, 3, 0x43000000); /* PCI I/O */ + sysbus_mmio_map(busdev, 4, 0x44000000); /* PCI memory window 1 */ + sysbus_mmio_map(busdev, 5, 0x50000000); /* PCI memory window 2 */ + sysbus_mmio_map(busdev, 6, 0x60000000); /* PCI memory window 3 */ + sysbus_connect_irq(busdev, 0, sic[27]); + sysbus_connect_irq(busdev, 1, sic[28]); + sysbus_connect_irq(busdev, 2, sic[29]); + sysbus_connect_irq(busdev, 3, sic[30]); + pci_bus = (PCIBus *)qdev_get_child_bus(dev, "pci"); + + for(n = 0; n < nb_nics; n++) { + nd = &nd_table[n]; + + if (!done_smc && (!nd->model || strcmp(nd->model, "smc91c111") == 0)) { + smc91c111_init(nd, 0x10010000, sic[25]); + done_smc = 1; + } else { + pci_nic_init_nofail(nd, pci_bus, "rtl8139", NULL); + } + } + if (usb_enabled()) { + pci_create_simple(pci_bus, -1, "pci-ohci"); + } + n = drive_get_max_bus(IF_SCSI); + while (n >= 0) { + pci_create_simple(pci_bus, -1, "lsi53c895a"); + n--; + } + + sysbus_create_simple("pl011", 0x101f1000, pic[12]); + sysbus_create_simple("pl011", 0x101f2000, pic[13]); + sysbus_create_simple("pl011", 0x101f3000, pic[14]); + sysbus_create_simple("pl011", 0x10009000, sic[6]); + + sysbus_create_simple("pl080", 0x10130000, pic[17]); + sysbus_create_simple("sp804", 0x101e2000, pic[4]); + sysbus_create_simple("sp804", 0x101e3000, pic[5]); + + sysbus_create_simple("pl061", 0x101e4000, pic[6]); + sysbus_create_simple("pl061", 0x101e5000, pic[7]); + sysbus_create_simple("pl061", 0x101e6000, pic[8]); + sysbus_create_simple("pl061", 0x101e7000, pic[9]); + + /* The versatile/PB actually has a modified Color LCD controller + that includes hardware cursor support from the PL111. */ + dev = sysbus_create_simple("pl110_versatile", 0x10120000, pic[16]); + /* Wire up the mux control signals from the SYS_CLCD register */ + qdev_connect_gpio_out(sysctl, 0, qdev_get_gpio_in(dev, 0)); + + sysbus_create_varargs("pl181", 0x10005000, sic[22], sic[1], NULL); + sysbus_create_varargs("pl181", 0x1000b000, sic[23], sic[2], NULL); + + /* Add PL031 Real Time Clock. */ + sysbus_create_simple("pl031", 0x101e8000, pic[10]); + + dev = sysbus_create_simple("versatile_i2c", 0x10002000, NULL); + i2c = (I2CBus *)qdev_get_child_bus(dev, "i2c"); + i2c_create_slave(i2c, "ds1338", 0x68); + + /* Add PL041 AACI Interface to the LM4549 codec */ + pl041 = qdev_create(NULL, "pl041"); + qdev_prop_set_uint32(pl041, "nc_fifo_depth", 512); + qdev_init_nofail(pl041); + sysbus_mmio_map(SYS_BUS_DEVICE(pl041), 0, 0x10004000); + sysbus_connect_irq(SYS_BUS_DEVICE(pl041), 0, sic[24]); + + /* Memory map for Versatile/PB: */ + /* 0x10000000 System registers. */ + /* 0x10001000 PCI controller config registers. */ + /* 0x10002000 Serial bus interface. */ + /* 0x10003000 Secondary interrupt controller. */ + /* 0x10004000 AACI (audio). */ + /* 0x10005000 MMCI0. */ + /* 0x10006000 KMI0 (keyboard). */ + /* 0x10007000 KMI1 (mouse). */ + /* 0x10008000 Character LCD Interface. */ + /* 0x10009000 UART3. */ + /* 0x1000a000 Smart card 1. */ + /* 0x1000b000 MMCI1. */ + /* 0x10010000 Ethernet. */ + /* 0x10020000 USB. */ + /* 0x10100000 SSMC. */ + /* 0x10110000 MPMC. */ + /* 0x10120000 CLCD Controller. */ + /* 0x10130000 DMA Controller. */ + /* 0x10140000 Vectored interrupt controller. */ + /* 0x101d0000 AHB Monitor Interface. */ + /* 0x101e0000 System Controller. */ + /* 0x101e1000 Watchdog Interface. */ + /* 0x101e2000 Timer 0/1. */ + /* 0x101e3000 Timer 2/3. */ + /* 0x101e4000 GPIO port 0. */ + /* 0x101e5000 GPIO port 1. */ + /* 0x101e6000 GPIO port 2. */ + /* 0x101e7000 GPIO port 3. */ + /* 0x101e8000 RTC. */ + /* 0x101f0000 Smart card 0. */ + /* 0x101f1000 UART0. */ + /* 0x101f2000 UART1. */ + /* 0x101f3000 UART2. */ + /* 0x101f4000 SSPI. */ + /* 0x34000000 NOR Flash */ + + dinfo = drive_get(IF_PFLASH, 0, 0); + if (!pflash_cfi01_register(VERSATILE_FLASH_ADDR, NULL, "versatile.flash", + VERSATILE_FLASH_SIZE, + dinfo ? blk_by_legacy_dinfo(dinfo) : NULL, + VERSATILE_FLASH_SECT_SIZE, + VERSATILE_FLASH_SIZE / VERSATILE_FLASH_SECT_SIZE, + 4, 0x0089, 0x0018, 0x0000, 0x0, 0)) { + fprintf(stderr, "qemu: Error registering flash memory.\n"); + } + + versatile_binfo.ram_size = machine->ram_size; + versatile_binfo.kernel_filename = machine->kernel_filename; + versatile_binfo.kernel_cmdline = machine->kernel_cmdline; + versatile_binfo.initrd_filename = machine->initrd_filename; + versatile_binfo.board_id = board_id; + arm_load_kernel(cpu, &versatile_binfo); +} + +static void vpb_init(MachineState *machine) +{ + versatile_init(machine, 0x183); +} + +static void vab_init(MachineState *machine) +{ + versatile_init(machine, 0x25e); +} + +static QEMUMachine versatilepb_machine = { + .name = "versatilepb", + .desc = "ARM Versatile/PB (ARM926EJ-S)", + .init = vpb_init, + .block_default_type = IF_SCSI, +}; + +static QEMUMachine versatileab_machine = { + .name = "versatileab", + .desc = "ARM Versatile/AB (ARM926EJ-S)", + .init = vab_init, + .block_default_type = IF_SCSI, +}; + +static void versatile_machine_init(void) +{ + qemu_register_machine(&versatilepb_machine); + qemu_register_machine(&versatileab_machine); +} + +machine_init(versatile_machine_init); + +static void vpb_sic_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); + + k->init = vpb_sic_init; + dc->vmsd = &vmstate_vpb_sic; +} + +static const TypeInfo vpb_sic_info = { + .name = TYPE_VERSATILE_PB_SIC, + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(vpb_sic_state), + .class_init = vpb_sic_class_init, +}; + +static void versatilepb_register_types(void) +{ + type_register_static(&vpb_sic_info); +} + +type_init(versatilepb_register_types) |