--- /dev/null
+/*
+ * 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 "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 "exec/address-spaces.h"
+
+#include "boot.h"
+
+#define LMB_BRAM_SIZE (128 * 1024)
+#define FLASH_SIZE (16 * 1024 * 1024)
+
+#define BINARY_DEVICE_TREE_FILE "petalogix-s3adsp1800.dtb"
+
+#define MEMORY_BASEADDR 0x90000000
+#define FLASH_BASEADDR 0xa0000000
+#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_bool(OBJECT(cpu), true, "realized", &error_abort);
+
+ /* Attach emulated BRAM through the LMB. */
+ memory_region_init_ram(phys_lmb_bram, NULL,
+ "petalogix_s3adsp1800.lmb_bram", LMB_BRAM_SIZE,
+ &error_abort);
+ vmstate_register_ram_global(phys_lmb_bram);
+ memory_region_add_subregion(sysmem, 0x00000000, phys_lmb_bram);
+
+ memory_region_init_ram(phys_ram, NULL, "petalogix_s3adsp1800.ram",
+ ram_size, &error_abort);
+ vmstate_register_ram_global(phys_ram);
+ memory_region_add_subregion(sysmem, ddr_base, phys_ram);
+
+ dinfo = drive_get(IF_PFLASH, 0, 0);
+ pflash_cfi01_register(FLASH_BASEADDR,
+ NULL, "petalogix_s3adsp1800.flash", FLASH_SIZE,
+ dinfo ? blk_by_legacy_dinfo(dinfo) : NULL,
+ (64 * 1024), FLASH_SIZE >> 16,
+ 1, 0x89, 0x18, 0x0000, 0x0, 1);
+
+ dev = qdev_create(NULL, "xlnx.xps-intc");
+ qdev_prop_set_uint32(dev, "kind-of-intr",
+ 1 << ETHLITE_IRQ | 1 << UARTLITE_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);
+ }
+
+ sysbus_create_simple("xlnx.xps-uartlite", UARTLITE_BASEADDR,
+ irq[UARTLITE_IRQ]);
+
+ /* 2 timers at irq 2 @ 62 Mhz. */
+ dev = qdev_create(NULL, "xlnx.xps-timer");
+ qdev_prop_set_uint32(dev, "one-timer-only", 0);
+ qdev_prop_set_uint32(dev, "clock-frequency", 62 * 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]);
+
+ qemu_check_nic_model(&nd_table[0], "xlnx.xps-ethernetlite");
+ dev = qdev_create(NULL, "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);
+ qdev_init_nofail(dev);
+ sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, ETHLITE_BASEADDR);
+ sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, irq[ETHLITE_IRQ]);
+
+ microblaze_load_kernel(cpu, ddr_base, ram_size,
+ machine->initrd_filename,
+ BINARY_DEVICE_TREE_FILE,
+ NULL);
+}
+
+static QEMUMachine petalogix_s3adsp1800_machine = {
+ .name = "petalogix-s3adsp1800",
+ .desc = "PetaLogix linux refdesign for xilinx Spartan 3ADSP1800",
+ .init = petalogix_s3adsp1800_init,
+ .is_default = 1,
+};
+
+static void petalogix_s3adsp1800_machine_init(void)
+{
+ qemu_register_machine(&petalogix_s3adsp1800_machine);
+}
+
+machine_init(petalogix_s3adsp1800_machine_init);
Code Review / kvmfornfv.git / blobdiff