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-rw-r--r--hw/arm/xilinx_zynq.c224
1 files changed, 224 insertions, 0 deletions
diff --git a/hw/arm/xilinx_zynq.c b/hw/arm/xilinx_zynq.c
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index 0000000000..f78c47e43e
--- /dev/null
+++ b/hw/arm/xilinx_zynq.c
@@ -0,0 +1,224 @@
+/*
+ * Xilinx Zynq Baseboard System emulation.
+ *
+ * Copyright (c) 2010 Xilinx.
+ * Copyright (c) 2012 Peter A.G. Crosthwaite (peter.croshtwaite@petalogix.com)
+ * Copyright (c) 2012 Petalogix Pty Ltd.
+ * Written by Haibing Ma
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "hw/sysbus.h"
+#include "hw/arm-misc.h"
+#include "net/net.h"
+#include "exec/address-spaces.h"
+#include "sysemu/sysemu.h"
+#include "hw/boards.h"
+#include "hw/flash.h"
+#include "sysemu/blockdev.h"
+#include "hw/loader.h"
+#include "hw/ssi.h"
+
+#define NUM_SPI_FLASHES 4
+#define NUM_QSPI_FLASHES 2
+#define NUM_QSPI_BUSSES 2
+
+#define FLASH_SIZE (64 * 1024 * 1024)
+#define FLASH_SECTOR_SIZE (128 * 1024)
+
+#define IRQ_OFFSET 32 /* pic interrupts start from index 32 */
+
+static struct arm_boot_info zynq_binfo = {};
+
+static void gem_init(NICInfo *nd, uint32_t base, qemu_irq irq)
+{
+ DeviceState *dev;
+ SysBusDevice *s;
+
+ qemu_check_nic_model(nd, "cadence_gem");
+ dev = qdev_create(NULL, "cadence_gem");
+ qdev_set_nic_properties(dev, nd);
+ qdev_init_nofail(dev);
+ s = SYS_BUS_DEVICE(dev);
+ sysbus_mmio_map(s, 0, base);
+ sysbus_connect_irq(s, 0, irq);
+}
+
+static inline void zynq_init_spi_flashes(uint32_t base_addr, qemu_irq irq,
+ bool is_qspi)
+{
+ DeviceState *dev;
+ SysBusDevice *busdev;
+ SSIBus *spi;
+ DeviceState *flash_dev;
+ int i, j;
+ int num_busses = is_qspi ? NUM_QSPI_BUSSES : 1;
+ int num_ss = is_qspi ? NUM_QSPI_FLASHES : NUM_SPI_FLASHES;
+
+ dev = qdev_create(NULL, "xilinx,spips");
+ qdev_prop_set_uint8(dev, "num-txrx-bytes", is_qspi ? 4 : 1);
+ qdev_prop_set_uint8(dev, "num-ss-bits", num_ss);
+ qdev_prop_set_uint8(dev, "num-busses", num_busses);
+ qdev_init_nofail(dev);
+ busdev = SYS_BUS_DEVICE(dev);
+ sysbus_mmio_map(busdev, 0, base_addr);
+ if (is_qspi) {
+ sysbus_mmio_map(busdev, 1, 0xFC000000);
+ }
+ sysbus_connect_irq(busdev, 0, irq);
+
+ for (i = 0; i < num_busses; ++i) {
+ char bus_name[16];
+ qemu_irq cs_line;
+
+ snprintf(bus_name, 16, "spi%d", i);
+ spi = (SSIBus *)qdev_get_child_bus(dev, bus_name);
+
+ for (j = 0; j < num_ss; ++j) {
+ flash_dev = ssi_create_slave_no_init(spi, "n25q128");
+ qdev_init_nofail(flash_dev);
+
+ cs_line = qdev_get_gpio_in(flash_dev, 0);
+ sysbus_connect_irq(busdev, i * num_ss + j + 1, cs_line);
+ }
+ }
+
+}
+
+static void zynq_init(QEMUMachineInitArgs *args)
+{
+ ram_addr_t ram_size = args->ram_size;
+ const char *cpu_model = args->cpu_model;
+ const char *kernel_filename = args->kernel_filename;
+ const char *kernel_cmdline = args->kernel_cmdline;
+ const char *initrd_filename = args->initrd_filename;
+ ARMCPU *cpu;
+ MemoryRegion *address_space_mem = get_system_memory();
+ MemoryRegion *ext_ram = g_new(MemoryRegion, 1);
+ MemoryRegion *ocm_ram = g_new(MemoryRegion, 1);
+ DeviceState *dev;
+ SysBusDevice *busdev;
+ qemu_irq *irqp;
+ qemu_irq pic[64];
+ NICInfo *nd;
+ int n;
+ qemu_irq cpu_irq;
+
+ if (!cpu_model) {
+ cpu_model = "cortex-a9";
+ }
+
+ 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 = irqp[ARM_PIC_CPU_IRQ];
+
+ /* max 2GB ram */
+ if (ram_size > 0x80000000) {
+ ram_size = 0x80000000;
+ }
+
+ /* DDR remapped to address zero. */
+ memory_region_init_ram(ext_ram, "zynq.ext_ram", ram_size);
+ vmstate_register_ram_global(ext_ram);
+ memory_region_add_subregion(address_space_mem, 0, ext_ram);
+
+ /* 256K of on-chip memory */
+ memory_region_init_ram(ocm_ram, "zynq.ocm_ram", 256 << 10);
+ vmstate_register_ram_global(ocm_ram);
+ memory_region_add_subregion(address_space_mem, 0xFFFC0000, ocm_ram);
+
+ DriveInfo *dinfo = drive_get(IF_PFLASH, 0, 0);
+
+ /* AMD */
+ pflash_cfi02_register(0xe2000000, NULL, "zynq.pflash", FLASH_SIZE,
+ dinfo ? dinfo->bdrv : NULL, FLASH_SECTOR_SIZE,
+ FLASH_SIZE/FLASH_SECTOR_SIZE, 1,
+ 1, 0x0066, 0x0022, 0x0000, 0x0000, 0x0555, 0x2aa,
+ 0);
+
+ dev = qdev_create(NULL, "xilinx,zynq_slcr");
+ qdev_init_nofail(dev);
+ sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, 0xF8000000);
+
+ dev = qdev_create(NULL, "a9mpcore_priv");
+ qdev_prop_set_uint32(dev, "num-cpu", 1);
+ qdev_init_nofail(dev);
+ busdev = SYS_BUS_DEVICE(dev);
+ sysbus_mmio_map(busdev, 0, 0xF8F00000);
+ sysbus_connect_irq(busdev, 0, cpu_irq);
+
+ for (n = 0; n < 64; n++) {
+ pic[n] = qdev_get_gpio_in(dev, n);
+ }
+
+ zynq_init_spi_flashes(0xE0006000, pic[58-IRQ_OFFSET], false);
+ zynq_init_spi_flashes(0xE0007000, pic[81-IRQ_OFFSET], false);
+ zynq_init_spi_flashes(0xE000D000, pic[51-IRQ_OFFSET], true);
+
+ sysbus_create_simple("xlnx,ps7-usb", 0xE0002000, pic[53-IRQ_OFFSET]);
+ sysbus_create_simple("xlnx,ps7-usb", 0xE0003000, pic[76-IRQ_OFFSET]);
+
+ sysbus_create_simple("cadence_uart", 0xE0000000, pic[59-IRQ_OFFSET]);
+ sysbus_create_simple("cadence_uart", 0xE0001000, pic[82-IRQ_OFFSET]);
+
+ sysbus_create_varargs("cadence_ttc", 0xF8001000,
+ pic[42-IRQ_OFFSET], pic[43-IRQ_OFFSET], pic[44-IRQ_OFFSET], NULL);
+ sysbus_create_varargs("cadence_ttc", 0xF8002000,
+ pic[69-IRQ_OFFSET], pic[70-IRQ_OFFSET], pic[71-IRQ_OFFSET], NULL);
+
+ for (n = 0; n < nb_nics; n++) {
+ nd = &nd_table[n];
+ if (n == 0) {
+ gem_init(nd, 0xE000B000, pic[54-IRQ_OFFSET]);
+ } else if (n == 1) {
+ gem_init(nd, 0xE000C000, pic[77-IRQ_OFFSET]);
+ }
+ }
+
+ dev = qdev_create(NULL, "generic-sdhci");
+ qdev_init_nofail(dev);
+ sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, 0xE0100000);
+ sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[56-IRQ_OFFSET]);
+
+ dev = qdev_create(NULL, "generic-sdhci");
+ qdev_init_nofail(dev);
+ sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, 0xE0101000);
+ sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[79-IRQ_OFFSET]);
+
+ zynq_binfo.ram_size = ram_size;
+ zynq_binfo.kernel_filename = kernel_filename;
+ zynq_binfo.kernel_cmdline = kernel_cmdline;
+ zynq_binfo.initrd_filename = initrd_filename;
+ zynq_binfo.nb_cpus = 1;
+ zynq_binfo.board_id = 0xd32;
+ zynq_binfo.loader_start = 0;
+ arm_load_kernel(arm_env_get_cpu(first_cpu), &zynq_binfo);
+}
+
+static QEMUMachine zynq_machine = {
+ .name = "xilinx-zynq-a9",
+ .desc = "Xilinx Zynq Platform Baseboard for Cortex-A9",
+ .init = zynq_init,
+ .block_default_type = IF_SCSI,
+ .max_cpus = 1,
+ .no_sdcard = 1,
+ DEFAULT_MACHINE_OPTIONS,
+};
+
+static void zynq_machine_init(void)
+{
+ qemu_register_machine(&zynq_machine);
+}
+
+machine_init(zynq_machine_init);
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