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/microblaze/petalogix_ml605_mmu.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/microblaze/petalogix_ml605_mmu.c')
-rw-r--r-- | qemu/hw/microblaze/petalogix_ml605_mmu.c | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/qemu/hw/microblaze/petalogix_ml605_mmu.c b/qemu/hw/microblaze/petalogix_ml605_mmu.c new file mode 100644 index 000000000..ed84a37e6 --- /dev/null +++ b/qemu/hw/microblaze/petalogix_ml605_mmu.c @@ -0,0 +1,221 @@ +/* + * Model of Petalogix linux reference design targeting Xilinx Spartan ml605 + * board. + * + * Copyright (c) 2011 Michal Simek <monstr@monstr.eu> + * Copyright (c) 2011 PetaLogix + * Copyright (c) 2009 Edgar E. Iglesias. + * + * 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. + */ + +#include "hw/sysbus.h" +#include "hw/hw.h" +#include "net/net.h" +#include "hw/block/flash.h" +#include "sysemu/sysemu.h" +#include "hw/devices.h" +#include "hw/boards.h" +#include "sysemu/block-backend.h" +#include "hw/char/serial.h" +#include "exec/address-spaces.h" +#include "hw/ssi.h" + +#include "boot.h" + +#include "hw/stream.h" + +#define LMB_BRAM_SIZE (128 * 1024) +#define FLASH_SIZE (32 * 1024 * 1024) + +#define BINARY_DEVICE_TREE_FILE "petalogix-ml605.dtb" + +#define NUM_SPI_FLASHES 4 + +#define SPI_BASEADDR 0x40a00000 +#define MEMORY_BASEADDR 0x50000000 +#define FLASH_BASEADDR 0x86000000 +#define INTC_BASEADDR 0x81800000 +#define TIMER_BASEADDR 0x83c00000 +#define UART16550_BASEADDR 0x83e00000 +#define AXIENET_BASEADDR 0x82780000 +#define AXIDMA_BASEADDR 0x84600000 + +#define AXIDMA_IRQ1 0 +#define AXIDMA_IRQ0 1 +#define TIMER_IRQ 2 +#define AXIENET_IRQ 3 +#define SPI_IRQ 4 +#define UART16550_IRQ 5 + +static void +petalogix_ml605_init(MachineState *machine) +{ + ram_addr_t ram_size = machine->ram_size; + MemoryRegion *address_space_mem = get_system_memory(); + DeviceState *dev, *dma, *eth0; + Object *ds, *cs; + MicroBlazeCPU *cpu; + SysBusDevice *busdev; + DriveInfo *dinfo; + int i; + MemoryRegion *phys_lmb_bram = g_new(MemoryRegion, 1); + MemoryRegion *phys_ram = g_new(MemoryRegion, 1); + qemu_irq irq[32]; + + /* init CPUs */ + cpu = MICROBLAZE_CPU(object_new(TYPE_MICROBLAZE_CPU)); + /* Use FPU but don't use floating point conversion and square + * root instructions + */ + object_property_set_int(OBJECT(cpu), 1, "use-fpu", &error_abort); + object_property_set_bool(OBJECT(cpu), true, "dcache-writeback", + &error_abort); + object_property_set_bool(OBJECT(cpu), true, "endianness", &error_abort); + object_property_set_bool(OBJECT(cpu), true, "realized", &error_abort); + + /* Attach emulated BRAM through the LMB. */ + memory_region_init_ram(phys_lmb_bram, NULL, "petalogix_ml605.lmb_bram", + LMB_BRAM_SIZE, &error_abort); + vmstate_register_ram_global(phys_lmb_bram); + memory_region_add_subregion(address_space_mem, 0x00000000, phys_lmb_bram); + + memory_region_init_ram(phys_ram, NULL, "petalogix_ml605.ram", ram_size, + &error_abort); + vmstate_register_ram_global(phys_ram); + memory_region_add_subregion(address_space_mem, MEMORY_BASEADDR, phys_ram); + + dinfo = drive_get(IF_PFLASH, 0, 0); + /* 5th parameter 2 means bank-width + * 10th paremeter 0 means little-endian */ + pflash_cfi01_register(FLASH_BASEADDR, + NULL, "petalogix_ml605.flash", FLASH_SIZE, + dinfo ? blk_by_legacy_dinfo(dinfo) : NULL, + (64 * 1024), FLASH_SIZE >> 16, + 2, 0x89, 0x18, 0x0000, 0x0, 0); + + + dev = qdev_create(NULL, "xlnx.xps-intc"); + qdev_prop_set_uint32(dev, "kind-of-intr", 1 << TIMER_IRQ); + qdev_init_nofail(dev); + sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, INTC_BASEADDR); + sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, + qdev_get_gpio_in(DEVICE(cpu), MB_CPU_IRQ)); + for (i = 0; i < 32; i++) { + irq[i] = qdev_get_gpio_in(dev, i); + } + + serial_mm_init(address_space_mem, UART16550_BASEADDR + 0x1000, 2, + irq[UART16550_IRQ], 115200, serial_hds[0], + DEVICE_LITTLE_ENDIAN); + + /* 2 timers at irq 2 @ 100 Mhz. */ + dev = qdev_create(NULL, "xlnx.xps-timer"); + qdev_prop_set_uint32(dev, "one-timer-only", 0); + qdev_prop_set_uint32(dev, "clock-frequency", 100 * 1000000); + qdev_init_nofail(dev); + sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, TIMER_BASEADDR); + sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, irq[TIMER_IRQ]); + + /* axi ethernet and dma initialization. */ + qemu_check_nic_model(&nd_table[0], "xlnx.axi-ethernet"); + eth0 = qdev_create(NULL, "xlnx.axi-ethernet"); + dma = qdev_create(NULL, "xlnx.axi-dma"); + + /* FIXME: attach to the sysbus instead */ + object_property_add_child(qdev_get_machine(), "xilinx-eth", OBJECT(eth0), + NULL); + object_property_add_child(qdev_get_machine(), "xilinx-dma", OBJECT(dma), + NULL); + + ds = object_property_get_link(OBJECT(dma), + "axistream-connected-target", NULL); + cs = object_property_get_link(OBJECT(dma), + "axistream-control-connected-target", NULL); + qdev_set_nic_properties(eth0, &nd_table[0]); + qdev_prop_set_uint32(eth0, "rxmem", 0x1000); + qdev_prop_set_uint32(eth0, "txmem", 0x1000); + object_property_set_link(OBJECT(eth0), OBJECT(ds), + "axistream-connected", &error_abort); + object_property_set_link(OBJECT(eth0), OBJECT(cs), + "axistream-control-connected", &error_abort); + qdev_init_nofail(eth0); + sysbus_mmio_map(SYS_BUS_DEVICE(eth0), 0, AXIENET_BASEADDR); + sysbus_connect_irq(SYS_BUS_DEVICE(eth0), 0, irq[AXIENET_IRQ]); + + ds = object_property_get_link(OBJECT(eth0), + "axistream-connected-target", NULL); + cs = object_property_get_link(OBJECT(eth0), + "axistream-control-connected-target", NULL); + qdev_prop_set_uint32(dma, "freqhz", 100 * 1000000); + object_property_set_link(OBJECT(dma), OBJECT(ds), + "axistream-connected", &error_abort); + object_property_set_link(OBJECT(dma), OBJECT(cs), + "axistream-control-connected", &error_abort); + qdev_init_nofail(dma); + sysbus_mmio_map(SYS_BUS_DEVICE(dma), 0, AXIDMA_BASEADDR); + sysbus_connect_irq(SYS_BUS_DEVICE(dma), 0, irq[AXIDMA_IRQ0]); + sysbus_connect_irq(SYS_BUS_DEVICE(dma), 1, irq[AXIDMA_IRQ1]); + + { + SSIBus *spi; + + dev = qdev_create(NULL, "xlnx.xps-spi"); + qdev_prop_set_uint8(dev, "num-ss-bits", NUM_SPI_FLASHES); + qdev_init_nofail(dev); + busdev = SYS_BUS_DEVICE(dev); + sysbus_mmio_map(busdev, 0, SPI_BASEADDR); + sysbus_connect_irq(busdev, 0, irq[SPI_IRQ]); + + spi = (SSIBus *)qdev_get_child_bus(dev, "spi"); + + for (i = 0; i < NUM_SPI_FLASHES; i++) { + qemu_irq cs_line; + + dev = ssi_create_slave(spi, "n25q128"); + cs_line = qdev_get_gpio_in_named(dev, SSI_GPIO_CS, 0); + sysbus_connect_irq(busdev, i+1, cs_line); + } + } + + /* setup PVR to match kernel settings */ + cpu->env.pvr.regs[4] = 0xc56b8000; + cpu->env.pvr.regs[5] = 0xc56be000; + cpu->env.pvr.regs[10] = 0x0e000000; /* virtex 6 */ + + microblaze_load_kernel(cpu, MEMORY_BASEADDR, ram_size, + machine->initrd_filename, + BINARY_DEVICE_TREE_FILE, + NULL); + +} + +static QEMUMachine petalogix_ml605_machine = { + .name = "petalogix-ml605", + .desc = "PetaLogix linux refdesign for xilinx ml605 little endian", + .init = petalogix_ml605_init, + .is_default = 0, +}; + +static void petalogix_ml605_machine_init(void) +{ + qemu_register_machine(&petalogix_ml605_machine); +} + +machine_init(petalogix_ml605_machine_init); |