| /* |
| * ARM Versatile Express emulation. |
| * |
| * Copyright (c) 2010 - 2011 B Labs Ltd. |
| * Copyright (c) 2011 Linaro Limited |
| * Written by Bahadir Balban, Amit Mahajan, Peter Maydell |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License along |
| * with this program; if not, see <http://www.gnu.org/licenses/>. |
| * |
| * Contributions after 2012-01-13 are licensed under the terms of the |
| * GNU GPL, version 2 or (at your option) any later version. |
| */ |
| |
| #include "sysbus.h" |
| #include "arm-misc.h" |
| #include "primecell.h" |
| #include "devices.h" |
| #include "net/net.h" |
| #include "sysemu.h" |
| #include "boards.h" |
| #include "exec-memory.h" |
| #include "blockdev.h" |
| #include "flash.h" |
| |
| #define VEXPRESS_BOARD_ID 0x8e0 |
| #define VEXPRESS_FLASH_SIZE (64 * 1024 * 1024) |
| #define VEXPRESS_FLASH_SECT_SIZE (256 * 1024) |
| |
| static struct arm_boot_info vexpress_binfo; |
| |
| /* Address maps for peripherals: |
| * the Versatile Express motherboard has two possible maps, |
| * the "legacy" one (used for A9) and the "Cortex-A Series" |
| * map (used for newer cores). |
| * Individual daughterboards can also have different maps for |
| * their peripherals. |
| */ |
| |
| enum { |
| VE_SYSREGS, |
| VE_SP810, |
| VE_SERIALPCI, |
| VE_PL041, |
| VE_MMCI, |
| VE_KMI0, |
| VE_KMI1, |
| VE_UART0, |
| VE_UART1, |
| VE_UART2, |
| VE_UART3, |
| VE_WDT, |
| VE_TIMER01, |
| VE_TIMER23, |
| VE_SERIALDVI, |
| VE_RTC, |
| VE_COMPACTFLASH, |
| VE_CLCD, |
| VE_NORFLASH0, |
| VE_NORFLASH1, |
| VE_SRAM, |
| VE_VIDEORAM, |
| VE_ETHERNET, |
| VE_USB, |
| VE_DAPROM, |
| }; |
| |
| static hwaddr motherboard_legacy_map[] = { |
| /* CS7: 0x10000000 .. 0x10020000 */ |
| [VE_SYSREGS] = 0x10000000, |
| [VE_SP810] = 0x10001000, |
| [VE_SERIALPCI] = 0x10002000, |
| [VE_PL041] = 0x10004000, |
| [VE_MMCI] = 0x10005000, |
| [VE_KMI0] = 0x10006000, |
| [VE_KMI1] = 0x10007000, |
| [VE_UART0] = 0x10009000, |
| [VE_UART1] = 0x1000a000, |
| [VE_UART2] = 0x1000b000, |
| [VE_UART3] = 0x1000c000, |
| [VE_WDT] = 0x1000f000, |
| [VE_TIMER01] = 0x10011000, |
| [VE_TIMER23] = 0x10012000, |
| [VE_SERIALDVI] = 0x10016000, |
| [VE_RTC] = 0x10017000, |
| [VE_COMPACTFLASH] = 0x1001a000, |
| [VE_CLCD] = 0x1001f000, |
| /* CS0: 0x40000000 .. 0x44000000 */ |
| [VE_NORFLASH0] = 0x40000000, |
| /* CS1: 0x44000000 .. 0x48000000 */ |
| [VE_NORFLASH1] = 0x44000000, |
| /* CS2: 0x48000000 .. 0x4a000000 */ |
| [VE_SRAM] = 0x48000000, |
| /* CS3: 0x4c000000 .. 0x50000000 */ |
| [VE_VIDEORAM] = 0x4c000000, |
| [VE_ETHERNET] = 0x4e000000, |
| [VE_USB] = 0x4f000000, |
| }; |
| |
| static hwaddr motherboard_aseries_map[] = { |
| /* CS0: 0x08000000 .. 0x0c000000 */ |
| [VE_NORFLASH0] = 0x08000000, |
| /* CS4: 0x0c000000 .. 0x10000000 */ |
| [VE_NORFLASH1] = 0x0c000000, |
| /* CS5: 0x10000000 .. 0x14000000 */ |
| /* CS1: 0x14000000 .. 0x18000000 */ |
| [VE_SRAM] = 0x14000000, |
| /* CS2: 0x18000000 .. 0x1c000000 */ |
| [VE_VIDEORAM] = 0x18000000, |
| [VE_ETHERNET] = 0x1a000000, |
| [VE_USB] = 0x1b000000, |
| /* CS3: 0x1c000000 .. 0x20000000 */ |
| [VE_DAPROM] = 0x1c000000, |
| [VE_SYSREGS] = 0x1c010000, |
| [VE_SP810] = 0x1c020000, |
| [VE_SERIALPCI] = 0x1c030000, |
| [VE_PL041] = 0x1c040000, |
| [VE_MMCI] = 0x1c050000, |
| [VE_KMI0] = 0x1c060000, |
| [VE_KMI1] = 0x1c070000, |
| [VE_UART0] = 0x1c090000, |
| [VE_UART1] = 0x1c0a0000, |
| [VE_UART2] = 0x1c0b0000, |
| [VE_UART3] = 0x1c0c0000, |
| [VE_WDT] = 0x1c0f0000, |
| [VE_TIMER01] = 0x1c110000, |
| [VE_TIMER23] = 0x1c120000, |
| [VE_SERIALDVI] = 0x1c160000, |
| [VE_RTC] = 0x1c170000, |
| [VE_COMPACTFLASH] = 0x1c1a0000, |
| [VE_CLCD] = 0x1c1f0000, |
| }; |
| |
| /* Structure defining the peculiarities of a specific daughterboard */ |
| |
| typedef struct VEDBoardInfo VEDBoardInfo; |
| |
| typedef void DBoardInitFn(const VEDBoardInfo *daughterboard, |
| ram_addr_t ram_size, |
| const char *cpu_model, |
| qemu_irq *pic, uint32_t *proc_id); |
| |
| struct VEDBoardInfo { |
| const hwaddr *motherboard_map; |
| hwaddr loader_start; |
| const hwaddr gic_cpu_if_addr; |
| DBoardInitFn *init; |
| }; |
| |
| static void a9_daughterboard_init(const VEDBoardInfo *daughterboard, |
| ram_addr_t ram_size, |
| const char *cpu_model, |
| qemu_irq *pic, uint32_t *proc_id) |
| { |
| MemoryRegion *sysmem = get_system_memory(); |
| MemoryRegion *ram = g_new(MemoryRegion, 1); |
| MemoryRegion *lowram = g_new(MemoryRegion, 1); |
| DeviceState *dev; |
| SysBusDevice *busdev; |
| qemu_irq *irqp; |
| int n; |
| qemu_irq cpu_irq[4]; |
| ram_addr_t low_ram_size; |
| |
| if (!cpu_model) { |
| cpu_model = "cortex-a9"; |
| } |
| |
| *proc_id = 0x0c000191; |
| |
| for (n = 0; n < smp_cpus; n++) { |
| ARMCPU *cpu = cpu_arm_init(cpu_model); |
| if (!cpu) { |
| fprintf(stderr, "Unable to find CPU definition\n"); |
| exit(1); |
| } |
| irqp = arm_pic_init_cpu(cpu); |
| cpu_irq[n] = irqp[ARM_PIC_CPU_IRQ]; |
| } |
| |
| if (ram_size > 0x40000000) { |
| /* 1GB is the maximum the address space permits */ |
| fprintf(stderr, "vexpress-a9: cannot model more than 1GB RAM\n"); |
| exit(1); |
| } |
| |
| memory_region_init_ram(ram, "vexpress.highmem", ram_size); |
| vmstate_register_ram_global(ram); |
| low_ram_size = ram_size; |
| if (low_ram_size > 0x4000000) { |
| low_ram_size = 0x4000000; |
| } |
| /* RAM is from 0x60000000 upwards. The bottom 64MB of the |
| * address space should in theory be remappable to various |
| * things including ROM or RAM; we always map the RAM there. |
| */ |
| memory_region_init_alias(lowram, "vexpress.lowmem", ram, 0, low_ram_size); |
| memory_region_add_subregion(sysmem, 0x0, lowram); |
| memory_region_add_subregion(sysmem, 0x60000000, ram); |
| |
| /* 0x1e000000 A9MPCore (SCU) private memory region */ |
| dev = qdev_create(NULL, "a9mpcore_priv"); |
| qdev_prop_set_uint32(dev, "num-cpu", smp_cpus); |
| qdev_init_nofail(dev); |
| busdev = sysbus_from_qdev(dev); |
| sysbus_mmio_map(busdev, 0, 0x1e000000); |
| for (n = 0; n < smp_cpus; n++) { |
| sysbus_connect_irq(busdev, n, cpu_irq[n]); |
| } |
| /* Interrupts [42:0] are from the motherboard; |
| * [47:43] are reserved; [63:48] are daughterboard |
| * peripherals. Note that some documentation numbers |
| * external interrupts starting from 32 (because the |
| * A9MP has internal interrupts 0..31). |
| */ |
| for (n = 0; n < 64; n++) { |
| pic[n] = qdev_get_gpio_in(dev, n); |
| } |
| |
| /* Daughterboard peripherals : 0x10020000 .. 0x20000000 */ |
| |
| /* 0x10020000 PL111 CLCD (daughterboard) */ |
| sysbus_create_simple("pl111", 0x10020000, pic[44]); |
| |
| /* 0x10060000 AXI RAM */ |
| /* 0x100e0000 PL341 Dynamic Memory Controller */ |
| /* 0x100e1000 PL354 Static Memory Controller */ |
| /* 0x100e2000 System Configuration Controller */ |
| |
| sysbus_create_simple("sp804", 0x100e4000, pic[48]); |
| /* 0x100e5000 SP805 Watchdog module */ |
| /* 0x100e6000 BP147 TrustZone Protection Controller */ |
| /* 0x100e9000 PL301 'Fast' AXI matrix */ |
| /* 0x100ea000 PL301 'Slow' AXI matrix */ |
| /* 0x100ec000 TrustZone Address Space Controller */ |
| /* 0x10200000 CoreSight debug APB */ |
| /* 0x1e00a000 PL310 L2 Cache Controller */ |
| sysbus_create_varargs("l2x0", 0x1e00a000, NULL); |
| } |
| |
| static const VEDBoardInfo a9_daughterboard = { |
| .motherboard_map = motherboard_legacy_map, |
| .loader_start = 0x60000000, |
| .gic_cpu_if_addr = 0x1e000100, |
| .init = a9_daughterboard_init, |
| }; |
| |
| static void a15_daughterboard_init(const VEDBoardInfo *daughterboard, |
| ram_addr_t ram_size, |
| const char *cpu_model, |
| qemu_irq *pic, uint32_t *proc_id) |
| { |
| int n; |
| MemoryRegion *sysmem = get_system_memory(); |
| MemoryRegion *ram = g_new(MemoryRegion, 1); |
| MemoryRegion *sram = g_new(MemoryRegion, 1); |
| qemu_irq cpu_irq[4]; |
| DeviceState *dev; |
| SysBusDevice *busdev; |
| |
| if (!cpu_model) { |
| cpu_model = "cortex-a15"; |
| } |
| |
| *proc_id = 0x14000217; |
| |
| for (n = 0; n < smp_cpus; n++) { |
| ARMCPU *cpu; |
| qemu_irq *irqp; |
| |
| cpu = cpu_arm_init(cpu_model); |
| if (!cpu) { |
| fprintf(stderr, "Unable to find CPU definition\n"); |
| exit(1); |
| } |
| irqp = arm_pic_init_cpu(cpu); |
| cpu_irq[n] = irqp[ARM_PIC_CPU_IRQ]; |
| } |
| |
| { |
| /* We have to use a separate 64 bit variable here to avoid the gcc |
| * "comparison is always false due to limited range of data type" |
| * warning if we are on a host where ram_addr_t is 32 bits. |
| */ |
| uint64_t rsz = ram_size; |
| if (rsz > (30ULL * 1024 * 1024 * 1024)) { |
| fprintf(stderr, "vexpress-a15: cannot model more than 30GB RAM\n"); |
| exit(1); |
| } |
| } |
| |
| memory_region_init_ram(ram, "vexpress.highmem", ram_size); |
| vmstate_register_ram_global(ram); |
| /* RAM is from 0x80000000 upwards; there is no low-memory alias for it. */ |
| memory_region_add_subregion(sysmem, 0x80000000, ram); |
| |
| /* 0x2c000000 A15MPCore private memory region (GIC) */ |
| dev = qdev_create(NULL, "a15mpcore_priv"); |
| qdev_prop_set_uint32(dev, "num-cpu", smp_cpus); |
| qdev_init_nofail(dev); |
| busdev = sysbus_from_qdev(dev); |
| sysbus_mmio_map(busdev, 0, 0x2c000000); |
| for (n = 0; n < smp_cpus; n++) { |
| sysbus_connect_irq(busdev, n, cpu_irq[n]); |
| } |
| /* Interrupts [42:0] are from the motherboard; |
| * [47:43] are reserved; [63:48] are daughterboard |
| * peripherals. Note that some documentation numbers |
| * external interrupts starting from 32 (because there |
| * are internal interrupts 0..31). |
| */ |
| for (n = 0; n < 64; n++) { |
| pic[n] = qdev_get_gpio_in(dev, n); |
| } |
| |
| /* A15 daughterboard peripherals: */ |
| |
| /* 0x20000000: CoreSight interfaces: not modelled */ |
| /* 0x2a000000: PL301 AXI interconnect: not modelled */ |
| /* 0x2a420000: SCC: not modelled */ |
| /* 0x2a430000: system counter: not modelled */ |
| /* 0x2b000000: HDLCD controller: not modelled */ |
| /* 0x2b060000: SP805 watchdog: not modelled */ |
| /* 0x2b0a0000: PL341 dynamic memory controller: not modelled */ |
| /* 0x2e000000: system SRAM */ |
| memory_region_init_ram(sram, "vexpress.a15sram", 0x10000); |
| vmstate_register_ram_global(sram); |
| memory_region_add_subregion(sysmem, 0x2e000000, sram); |
| |
| /* 0x7ffb0000: DMA330 DMA controller: not modelled */ |
| /* 0x7ffd0000: PL354 static memory controller: not modelled */ |
| } |
| |
| static const VEDBoardInfo a15_daughterboard = { |
| .motherboard_map = motherboard_aseries_map, |
| .loader_start = 0x80000000, |
| .gic_cpu_if_addr = 0x2c002000, |
| .init = a15_daughterboard_init, |
| }; |
| |
| static void vexpress_common_init(const VEDBoardInfo *daughterboard, |
| QEMUMachineInitArgs *args) |
| { |
| DeviceState *dev, *sysctl, *pl041; |
| qemu_irq pic[64]; |
| uint32_t proc_id; |
| uint32_t sys_id; |
| DriveInfo *dinfo; |
| ram_addr_t vram_size, sram_size; |
| MemoryRegion *sysmem = get_system_memory(); |
| MemoryRegion *vram = g_new(MemoryRegion, 1); |
| MemoryRegion *sram = g_new(MemoryRegion, 1); |
| const hwaddr *map = daughterboard->motherboard_map; |
| |
| daughterboard->init(daughterboard, args->ram_size, args->cpu_model, |
| pic, &proc_id); |
| |
| /* Motherboard peripherals: the wiring is the same but the |
| * addresses vary between the legacy and A-Series memory maps. |
| */ |
| |
| sys_id = 0x1190f500; |
| |
| sysctl = qdev_create(NULL, "realview_sysctl"); |
| qdev_prop_set_uint32(sysctl, "sys_id", sys_id); |
| qdev_prop_set_uint32(sysctl, "proc_id", proc_id); |
| qdev_init_nofail(sysctl); |
| sysbus_mmio_map(sysbus_from_qdev(sysctl), 0, map[VE_SYSREGS]); |
| |
| /* VE_SP810: not modelled */ |
| /* VE_SERIALPCI: not modelled */ |
| |
| pl041 = qdev_create(NULL, "pl041"); |
| qdev_prop_set_uint32(pl041, "nc_fifo_depth", 512); |
| qdev_init_nofail(pl041); |
| sysbus_mmio_map(sysbus_from_qdev(pl041), 0, map[VE_PL041]); |
| sysbus_connect_irq(sysbus_from_qdev(pl041), 0, pic[11]); |
| |
| dev = sysbus_create_varargs("pl181", map[VE_MMCI], pic[9], pic[10], NULL); |
| /* Wire up MMC card detect and read-only signals */ |
| qdev_connect_gpio_out(dev, 0, |
| qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_WPROT)); |
| qdev_connect_gpio_out(dev, 1, |
| qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_CARDIN)); |
| |
| sysbus_create_simple("pl050_keyboard", map[VE_KMI0], pic[12]); |
| sysbus_create_simple("pl050_mouse", map[VE_KMI1], pic[13]); |
| |
| sysbus_create_simple("pl011", map[VE_UART0], pic[5]); |
| sysbus_create_simple("pl011", map[VE_UART1], pic[6]); |
| sysbus_create_simple("pl011", map[VE_UART2], pic[7]); |
| sysbus_create_simple("pl011", map[VE_UART3], pic[8]); |
| |
| sysbus_create_simple("sp804", map[VE_TIMER01], pic[2]); |
| sysbus_create_simple("sp804", map[VE_TIMER23], pic[3]); |
| |
| /* VE_SERIALDVI: not modelled */ |
| |
| sysbus_create_simple("pl031", map[VE_RTC], pic[4]); /* RTC */ |
| |
| /* VE_COMPACTFLASH: not modelled */ |
| |
| sysbus_create_simple("pl111", map[VE_CLCD], pic[14]); |
| |
| dinfo = drive_get_next(IF_PFLASH); |
| if (!pflash_cfi01_register(map[VE_NORFLASH0], NULL, "vexpress.flash0", |
| VEXPRESS_FLASH_SIZE, dinfo ? dinfo->bdrv : NULL, |
| VEXPRESS_FLASH_SECT_SIZE, |
| VEXPRESS_FLASH_SIZE / VEXPRESS_FLASH_SECT_SIZE, 4, |
| 0x00, 0x89, 0x00, 0x18, 0)) { |
| fprintf(stderr, "vexpress: error registering flash 0.\n"); |
| exit(1); |
| } |
| |
| dinfo = drive_get_next(IF_PFLASH); |
| if (!pflash_cfi01_register(map[VE_NORFLASH1], NULL, "vexpress.flash1", |
| VEXPRESS_FLASH_SIZE, dinfo ? dinfo->bdrv : NULL, |
| VEXPRESS_FLASH_SECT_SIZE, |
| VEXPRESS_FLASH_SIZE / VEXPRESS_FLASH_SECT_SIZE, 4, |
| 0x00, 0x89, 0x00, 0x18, 0)) { |
| fprintf(stderr, "vexpress: error registering flash 1.\n"); |
| exit(1); |
| } |
| |
| sram_size = 0x2000000; |
| memory_region_init_ram(sram, "vexpress.sram", sram_size); |
| vmstate_register_ram_global(sram); |
| memory_region_add_subregion(sysmem, map[VE_SRAM], sram); |
| |
| vram_size = 0x800000; |
| memory_region_init_ram(vram, "vexpress.vram", vram_size); |
| vmstate_register_ram_global(vram); |
| memory_region_add_subregion(sysmem, map[VE_VIDEORAM], vram); |
| |
| /* 0x4e000000 LAN9118 Ethernet */ |
| if (nd_table[0].used) { |
| lan9118_init(&nd_table[0], map[VE_ETHERNET], pic[15]); |
| } |
| |
| /* VE_USB: not modelled */ |
| |
| /* VE_DAPROM: not modelled */ |
| |
| vexpress_binfo.ram_size = args->ram_size; |
| vexpress_binfo.kernel_filename = args->kernel_filename; |
| vexpress_binfo.kernel_cmdline = args->kernel_cmdline; |
| vexpress_binfo.initrd_filename = args->initrd_filename; |
| vexpress_binfo.nb_cpus = smp_cpus; |
| vexpress_binfo.board_id = VEXPRESS_BOARD_ID; |
| vexpress_binfo.loader_start = daughterboard->loader_start; |
| vexpress_binfo.smp_loader_start = map[VE_SRAM]; |
| vexpress_binfo.smp_bootreg_addr = map[VE_SYSREGS] + 0x30; |
| vexpress_binfo.gic_cpu_if_addr = daughterboard->gic_cpu_if_addr; |
| arm_load_kernel(arm_env_get_cpu(first_cpu), &vexpress_binfo); |
| } |
| |
| static void vexpress_a9_init(QEMUMachineInitArgs *args) |
| { |
| vexpress_common_init(&a9_daughterboard, args); |
| } |
| |
| static void vexpress_a15_init(QEMUMachineInitArgs *args) |
| { |
| vexpress_common_init(&a15_daughterboard, args); |
| } |
| |
| static QEMUMachine vexpress_a9_machine = { |
| .name = "vexpress-a9", |
| .desc = "ARM Versatile Express for Cortex-A9", |
| .init = vexpress_a9_init, |
| .block_default_type = IF_SCSI, |
| .max_cpus = 4, |
| }; |
| |
| static QEMUMachine vexpress_a15_machine = { |
| .name = "vexpress-a15", |
| .desc = "ARM Versatile Express for Cortex-A15", |
| .init = vexpress_a15_init, |
| .block_default_type = IF_SCSI, |
| .max_cpus = 4, |
| }; |
| |
| static void vexpress_machine_init(void) |
| { |
| qemu_register_machine(&vexpress_a9_machine); |
| qemu_register_machine(&vexpress_a15_machine); |
| } |
| |
| machine_init(vexpress_machine_init); |
