/* * Model of Petalogix linux reference design targeting Xilinx Spartan 3ADSP-1800 * boards. * * 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 "qemu/osdep.h" #include "qemu/units.h" #include "qapi/error.h" #include "cpu.h" #include "hw/sysbus.h" #include "net/net.h" #include "hw/block/flash.h" #include "sysemu/sysemu.h" #include "hw/boards.h" #include "hw/misc/unimp.h" #include "exec/address-spaces.h" #include "hw/char/xilinx_uartlite.h" #include "boot.h" #define LMB_BRAM_SIZE (128 * KiB) #define FLASH_SIZE (16 * MiB) #define BINARY_DEVICE_TREE_FILE "petalogix-s3adsp1800.dtb" #define MEMORY_BASEADDR 0x90000000 #define FLASH_BASEADDR 0xa0000000 #define GPIO_BASEADDR 0x81400000 #define INTC_BASEADDR 0x81800000 #define TIMER_BASEADDR 0x83c00000 #define UARTLITE_BASEADDR 0x84000000 #define ETHLITE_BASEADDR 0x81000000 #define TIMER_IRQ 0 #define ETHLITE_IRQ 1 #define UARTLITE_IRQ 3 static void petalogix_s3adsp1800_init(MachineState *machine) { ram_addr_t ram_size = machine->ram_size; DeviceState *dev; MicroBlazeCPU *cpu; DriveInfo *dinfo; int i; hwaddr ddr_base = MEMORY_BASEADDR; MemoryRegion *phys_lmb_bram = g_new(MemoryRegion, 1); MemoryRegion *phys_ram = g_new(MemoryRegion, 1); qemu_irq irq[32]; MemoryRegion *sysmem = get_system_memory(); cpu = MICROBLAZE_CPU(object_new(TYPE_MICROBLAZE_CPU)); object_property_set_str(OBJECT(cpu), "version", "7.10.d", &error_abort); qdev_realize(DEVICE(cpu), NULL, &error_abort); /* Attach emulated BRAM through the LMB. */ memory_region_init_ram(phys_lmb_bram, NULL, "petalogix_s3adsp1800.lmb_bram", LMB_BRAM_SIZE, &error_fatal); memory_region_add_subregion(sysmem, 0x00000000, phys_lmb_bram); memory_region_init_ram(phys_ram, NULL, "petalogix_s3adsp1800.ram", ram_size, &error_fatal); memory_region_add_subregion(sysmem, ddr_base, phys_ram); dinfo = drive_get(IF_PFLASH, 0, 0); pflash_cfi01_register(FLASH_BASEADDR, "petalogix_s3adsp1800.flash", FLASH_SIZE, dinfo ? blk_by_legacy_dinfo(dinfo) : NULL, 64 * KiB, 1, 0x89, 0x18, 0x0000, 0x0, 1); dev = qdev_new("xlnx.xps-intc"); qdev_prop_set_uint32(dev, "kind-of-intr", 1 << ETHLITE_IRQ | 1 << UARTLITE_IRQ); sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); 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); } xilinx_uartlite_create(UARTLITE_BASEADDR, irq[UARTLITE_IRQ], serial_hd(0)); /* 2 timers at irq 2 @ 62 Mhz. */ dev = qdev_new("xlnx.xps-timer"); qdev_prop_set_uint32(dev, "one-timer-only", 0); qdev_prop_set_uint32(dev, "clock-frequency", 62 * 1000000); sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, TIMER_BASEADDR); sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, irq[TIMER_IRQ]); qemu_check_nic_model(&nd_table[0], "xlnx.xps-ethernetlite"); dev = qdev_new("xlnx.xps-ethernetlite"); qdev_set_nic_properties(dev, &nd_table[0]); qdev_prop_set_uint32(dev, "tx-ping-pong", 0); qdev_prop_set_uint32(dev, "rx-ping-pong", 0); sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, ETHLITE_BASEADDR); sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, irq[ETHLITE_IRQ]); create_unimplemented_device("gpio", GPIO_BASEADDR, 0x10000); microblaze_load_kernel(cpu, ddr_base, ram_size, machine->initrd_filename, BINARY_DEVICE_TREE_FILE, NULL); } static void petalogix_s3adsp1800_machine_init(MachineClass *mc) { mc->desc = "PetaLogix linux refdesign for xilinx Spartan 3ADSP1800"; mc->init = petalogix_s3adsp1800_init; mc->is_default = true; } DEFINE_MACHINE("petalogix-s3adsp1800", petalogix_s3adsp1800_machine_init)