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-rw-r--r--MAINTAINERS1
-rw-r--r--default-configs/aarch64-softmmu.mak1
-rw-r--r--hw/arm/Makefile.objs1
-rw-r--r--hw/arm/microbit.c2
-rw-r--r--hw/arm/nrf51_soc.c20
-rw-r--r--hw/arm/strongarm.c4
-rw-r--r--hw/arm/virt.c4
-rw-r--r--hw/arm/xilinx_zynq.c2
-rw-r--r--hw/arm/xlnx-versal-virt.c494
-rw-r--r--hw/arm/xlnx-versal.c323
-rw-r--r--hw/char/Makefile.objs1
-rw-r--r--hw/char/nrf51_uart.c330
-rw-r--r--hw/char/trace-events4
-rw-r--r--include/hw/arm/nrf51_soc.h3
-rw-r--r--include/hw/arm/xlnx-versal.h122
-rw-r--r--include/hw/char/nrf51_uart.h78
-rw-r--r--target/arm/cpu.c15
-rw-r--r--target/arm/cpu.h5
-rw-r--r--tests/boot-serial-test.c19
19 files changed, 1423 insertions, 6 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index 85f19f5..98a1856 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -627,7 +627,6 @@ F: hw/*/xlnx*.c
F: include/hw/*/xlnx*.h
ARM ACPI Subsystem
-M: Shannon Zhao <zhaoshenglong@huawei.com>
M: Shannon Zhao <shannon.zhaosl@gmail.com>
L: qemu-arm@nongnu.org
S: Maintained
diff --git a/default-configs/aarch64-softmmu.mak b/default-configs/aarch64-softmmu.mak
index 6f790f0..4ea9add 100644
--- a/default-configs/aarch64-softmmu.mak
+++ b/default-configs/aarch64-softmmu.mak
@@ -8,4 +8,5 @@ CONFIG_DDC=y
CONFIG_DPCD=y
CONFIG_XLNX_ZYNQMP=y
CONFIG_XLNX_ZYNQMP_ARM=y
+CONFIG_XLNX_VERSAL=y
CONFIG_ARM_SMMUV3=y
diff --git a/hw/arm/Makefile.objs b/hw/arm/Makefile.objs
index 5f88062..50c7b4a 100644
--- a/hw/arm/Makefile.objs
+++ b/hw/arm/Makefile.objs
@@ -26,6 +26,7 @@ obj-$(CONFIG_ALLWINNER_A10) += allwinner-a10.o cubieboard.o
obj-$(CONFIG_RASPI) += bcm2835_peripherals.o bcm2836.o raspi.o
obj-$(CONFIG_STM32F205_SOC) += stm32f205_soc.o
obj-$(CONFIG_XLNX_ZYNQMP_ARM) += xlnx-zynqmp.o xlnx-zcu102.o
+obj-$(CONFIG_XLNX_VERSAL) += xlnx-versal.o xlnx-versal-virt.o
obj-$(CONFIG_FSL_IMX25) += fsl-imx25.o imx25_pdk.o
obj-$(CONFIG_FSL_IMX31) += fsl-imx31.o kzm.o
obj-$(CONFIG_FSL_IMX6) += fsl-imx6.o sabrelite.o
diff --git a/hw/arm/microbit.c b/hw/arm/microbit.c
index e7d7411..a734e7f 100644
--- a/hw/arm/microbit.c
+++ b/hw/arm/microbit.c
@@ -12,6 +12,7 @@
#include "qapi/error.h"
#include "hw/boards.h"
#include "hw/arm/arm.h"
+#include "sysemu/sysemu.h"
#include "exec/address-spaces.h"
#include "hw/arm/nrf51_soc.h"
@@ -35,6 +36,7 @@ static void microbit_init(MachineState *machine)
sysbus_init_child_obj(OBJECT(machine), "nrf51", soc, sizeof(s->nrf51),
TYPE_NRF51_SOC);
+ qdev_prop_set_chr(DEVICE(&s->nrf51), "serial0", serial_hd(0));
object_property_set_link(soc, OBJECT(system_memory), "memory",
&error_fatal);
object_property_set_bool(soc, true, "realized", &error_fatal);
diff --git a/hw/arm/nrf51_soc.c b/hw/arm/nrf51_soc.c
index 1a59ef4..b89c1bd 100644
--- a/hw/arm/nrf51_soc.c
+++ b/hw/arm/nrf51_soc.c
@@ -43,9 +43,12 @@
#define NRF51822_FLASH_SIZE (256 * 1024)
#define NRF51822_SRAM_SIZE (16 * 1024)
+#define BASE_TO_IRQ(base) ((base >> 12) & 0x1F)
+
static void nrf51_soc_realize(DeviceState *dev_soc, Error **errp)
{
NRF51State *s = NRF51_SOC(dev_soc);
+ MemoryRegion *mr;
Error *err = NULL;
if (!s->board_memory) {
@@ -82,6 +85,18 @@ static void nrf51_soc_realize(DeviceState *dev_soc, Error **errp)
}
memory_region_add_subregion(&s->container, SRAM_BASE, &s->sram);
+ /* UART */
+ object_property_set_bool(OBJECT(&s->uart), true, "realized", &err);
+ if (err) {
+ error_propagate(errp, err);
+ return;
+ }
+ mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->uart), 0);
+ memory_region_add_subregion_overlap(&s->container, UART_BASE, mr, 0);
+ sysbus_connect_irq(SYS_BUS_DEVICE(&s->uart), 0,
+ qdev_get_gpio_in(DEVICE(&s->cpu),
+ BASE_TO_IRQ(UART_BASE)));
+
create_unimplemented_device("nrf51_soc.io", IOMEM_BASE, IOMEM_SIZE);
create_unimplemented_device("nrf51_soc.ficr", FICR_BASE, FICR_SIZE);
create_unimplemented_device("nrf51_soc.private",
@@ -99,6 +114,11 @@ static void nrf51_soc_init(Object *obj)
qdev_prop_set_string(DEVICE(&s->cpu), "cpu-type",
ARM_CPU_TYPE_NAME("cortex-m0"));
qdev_prop_set_uint32(DEVICE(&s->cpu), "num-irq", 32);
+
+ sysbus_init_child_obj(obj, "uart", &s->uart, sizeof(s->uart),
+ TYPE_NRF51_UART);
+ object_property_add_alias(obj, "serial0", OBJECT(&s->uart), "chardev",
+ &error_abort);
}
static Property nrf51_soc_properties[] = {
diff --git a/hw/arm/strongarm.c b/hw/arm/strongarm.c
index ec26273..644a9c4 100644
--- a/hw/arm/strongarm.c
+++ b/hw/arm/strongarm.c
@@ -587,12 +587,12 @@ static void strongarm_gpio_write(void *opaque, hwaddr offset,
switch (offset) {
case GPDR: /* GPIO Pin-Direction registers */
- s->dir = value;
+ s->dir = value & 0x0fffffff;
strongarm_gpio_handler_update(s);
break;
case GPSR: /* GPIO Pin-Output Set registers */
- s->olevel |= value;
+ s->olevel |= value & 0x0fffffff;
strongarm_gpio_handler_update(s);
break;
diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index 9f67782..a2b8d8f 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -1871,6 +1871,9 @@ static void virt_machine_3_1_options(MachineClass *mc)
}
DEFINE_VIRT_MACHINE_AS_LATEST(3, 1)
+#define VIRT_COMPAT_3_0 \
+ HW_COMPAT_3_0
+
static void virt_3_0_instance_init(Object *obj)
{
virt_3_1_instance_init(obj);
@@ -1879,6 +1882,7 @@ static void virt_3_0_instance_init(Object *obj)
static void virt_machine_3_0_options(MachineClass *mc)
{
virt_machine_3_1_options(mc);
+ SET_MACHINE_COMPAT(mc, VIRT_COMPAT_3_0);
}
DEFINE_VIRT_MACHINE(3, 0)
diff --git a/hw/arm/xilinx_zynq.c b/hw/arm/xilinx_zynq.c
index f1496d2..57497b0 100644
--- a/hw/arm/xilinx_zynq.c
+++ b/hw/arm/xilinx_zynq.c
@@ -294,7 +294,7 @@ static void zynq_init(MachineState *machine)
busdev = SYS_BUS_DEVICE(dev);
sysbus_mmio_map(busdev, 0, 0xF8003000);
sysbus_connect_irq(busdev, 0, pic[45-IRQ_OFFSET]); /* abort irq line */
- for (n = 0; n < 8; ++n) { /* event irqs */
+ for (n = 0; n < ARRAY_SIZE(dma_irqs); ++n) { /* event irqs */
sysbus_connect_irq(busdev, n + 1, pic[dma_irqs[n] - IRQ_OFFSET]);
}
diff --git a/hw/arm/xlnx-versal-virt.c b/hw/arm/xlnx-versal-virt.c
new file mode 100644
index 0000000..1e31a3f
--- /dev/null
+++ b/hw/arm/xlnx-versal-virt.c
@@ -0,0 +1,494 @@
+/*
+ * Xilinx Versal Virtual board.
+ *
+ * Copyright (c) 2018 Xilinx Inc.
+ * Written by Edgar E. Iglesias
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 or
+ * (at your option) any later version.
+ */
+
+#include "qemu/osdep.h"
+#include "qemu/log.h"
+#include "qemu/error-report.h"
+#include "qapi/error.h"
+#include "sysemu/device_tree.h"
+#include "exec/address-spaces.h"
+#include "hw/boards.h"
+#include "hw/sysbus.h"
+#include "hw/arm/sysbus-fdt.h"
+#include "hw/arm/fdt.h"
+#include "cpu.h"
+#include "hw/arm/xlnx-versal.h"
+
+#define TYPE_XLNX_VERSAL_VIRT_MACHINE MACHINE_TYPE_NAME("xlnx-versal-virt")
+#define XLNX_VERSAL_VIRT_MACHINE(obj) \
+ OBJECT_CHECK(VersalVirt, (obj), TYPE_XLNX_VERSAL_VIRT_MACHINE)
+
+typedef struct VersalVirt {
+ MachineState parent_obj;
+
+ Versal soc;
+ MemoryRegion mr_ddr;
+
+ void *fdt;
+ int fdt_size;
+ struct {
+ uint32_t gic;
+ uint32_t ethernet_phy[2];
+ uint32_t clk_125Mhz;
+ uint32_t clk_25Mhz;
+ } phandle;
+ struct arm_boot_info binfo;
+
+ struct {
+ bool secure;
+ } cfg;
+} VersalVirt;
+
+static void fdt_create(VersalVirt *s)
+{
+ MachineClass *mc = MACHINE_GET_CLASS(s);
+ int i;
+
+ s->fdt = create_device_tree(&s->fdt_size);
+ if (!s->fdt) {
+ error_report("create_device_tree() failed");
+ exit(1);
+ }
+
+ /* Allocate all phandles. */
+ s->phandle.gic = qemu_fdt_alloc_phandle(s->fdt);
+ for (i = 0; i < ARRAY_SIZE(s->phandle.ethernet_phy); i++) {
+ s->phandle.ethernet_phy[i] = qemu_fdt_alloc_phandle(s->fdt);
+ }
+ s->phandle.clk_25Mhz = qemu_fdt_alloc_phandle(s->fdt);
+ s->phandle.clk_125Mhz = qemu_fdt_alloc_phandle(s->fdt);
+
+ /* Create /chosen node for load_dtb. */
+ qemu_fdt_add_subnode(s->fdt, "/chosen");
+
+ /* Header */
+ qemu_fdt_setprop_cell(s->fdt, "/", "interrupt-parent", s->phandle.gic);
+ qemu_fdt_setprop_cell(s->fdt, "/", "#size-cells", 0x2);
+ qemu_fdt_setprop_cell(s->fdt, "/", "#address-cells", 0x2);
+ qemu_fdt_setprop_string(s->fdt, "/", "model", mc->desc);
+ qemu_fdt_setprop_string(s->fdt, "/", "compatible", "xlnx-versal-virt");
+}
+
+static void fdt_add_clk_node(VersalVirt *s, const char *name,
+ unsigned int freq_hz, uint32_t phandle)
+{
+ qemu_fdt_add_subnode(s->fdt, name);
+ qemu_fdt_setprop_cell(s->fdt, name, "phandle", phandle);
+ qemu_fdt_setprop_cell(s->fdt, name, "clock-frequency", freq_hz);
+ qemu_fdt_setprop_cell(s->fdt, name, "#clock-cells", 0x0);
+ qemu_fdt_setprop_string(s->fdt, name, "compatible", "fixed-clock");
+ qemu_fdt_setprop(s->fdt, name, "u-boot,dm-pre-reloc", NULL, 0);
+}
+
+static void fdt_add_cpu_nodes(VersalVirt *s, uint32_t psci_conduit)
+{
+ int i;
+
+ qemu_fdt_add_subnode(s->fdt, "/cpus");
+ qemu_fdt_setprop_cell(s->fdt, "/cpus", "#size-cells", 0x0);
+ qemu_fdt_setprop_cell(s->fdt, "/cpus", "#address-cells", 1);
+
+ for (i = XLNX_VERSAL_NR_ACPUS - 1; i >= 0; i--) {
+ char *name = g_strdup_printf("/cpus/cpu@%d", i);
+ ARMCPU *armcpu = ARM_CPU(qemu_get_cpu(i));
+
+ qemu_fdt_add_subnode(s->fdt, name);
+ qemu_fdt_setprop_cell(s->fdt, name, "reg", armcpu->mp_affinity);
+ if (psci_conduit != QEMU_PSCI_CONDUIT_DISABLED) {
+ qemu_fdt_setprop_string(s->fdt, name, "enable-method", "psci");
+ }
+ qemu_fdt_setprop_string(s->fdt, name, "device_type", "cpu");
+ qemu_fdt_setprop_string(s->fdt, name, "compatible",
+ armcpu->dtb_compatible);
+ g_free(name);
+ }
+}
+
+static void fdt_add_gic_nodes(VersalVirt *s)
+{
+ char *nodename;
+
+ nodename = g_strdup_printf("/gic@%x", MM_GIC_APU_DIST_MAIN);
+ qemu_fdt_add_subnode(s->fdt, nodename);
+ qemu_fdt_setprop_cell(s->fdt, nodename, "phandle", s->phandle.gic);
+ qemu_fdt_setprop_cells(s->fdt, nodename, "interrupts",
+ GIC_FDT_IRQ_TYPE_PPI, VERSAL_GIC_MAINT_IRQ,
+ GIC_FDT_IRQ_FLAGS_LEVEL_HI);
+ qemu_fdt_setprop(s->fdt, nodename, "interrupt-controller", NULL, 0);
+ qemu_fdt_setprop_sized_cells(s->fdt, nodename, "reg",
+ 2, MM_GIC_APU_DIST_MAIN,
+ 2, MM_GIC_APU_DIST_MAIN_SIZE,
+ 2, MM_GIC_APU_REDIST_0,
+ 2, MM_GIC_APU_REDIST_0_SIZE);
+ qemu_fdt_setprop_cell(s->fdt, nodename, "#interrupt-cells", 3);
+ qemu_fdt_setprop_string(s->fdt, nodename, "compatible", "arm,gic-v3");
+}
+
+static void fdt_add_timer_nodes(VersalVirt *s)
+{
+ const char compat[] = "arm,armv8-timer";
+ uint32_t irqflags = GIC_FDT_IRQ_FLAGS_LEVEL_HI;
+
+ qemu_fdt_add_subnode(s->fdt, "/timer");
+ qemu_fdt_setprop_cells(s->fdt, "/timer", "interrupts",
+ GIC_FDT_IRQ_TYPE_PPI, VERSAL_TIMER_S_EL1_IRQ, irqflags,
+ GIC_FDT_IRQ_TYPE_PPI, VERSAL_TIMER_NS_EL1_IRQ, irqflags,
+ GIC_FDT_IRQ_TYPE_PPI, VERSAL_TIMER_VIRT_IRQ, irqflags,
+ GIC_FDT_IRQ_TYPE_PPI, VERSAL_TIMER_NS_EL2_IRQ, irqflags);
+ qemu_fdt_setprop(s->fdt, "/timer", "compatible",
+ compat, sizeof(compat));
+}
+
+static void fdt_add_uart_nodes(VersalVirt *s)
+{
+ uint64_t addrs[] = { MM_UART1, MM_UART0 };
+ unsigned int irqs[] = { VERSAL_UART1_IRQ_0, VERSAL_UART0_IRQ_0 };
+ const char compat[] = "arm,pl011\0arm,sbsa-uart";
+ const char clocknames[] = "uartclk\0apb_pclk";
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(addrs); i++) {
+ char *name = g_strdup_printf("/uart@%" PRIx64, addrs[i]);
+ qemu_fdt_add_subnode(s->fdt, name);
+ qemu_fdt_setprop_cell(s->fdt, name, "current-speed", 115200);
+ qemu_fdt_setprop_cells(s->fdt, name, "clocks",
+ s->phandle.clk_125Mhz, s->phandle.clk_125Mhz);
+ qemu_fdt_setprop(s->fdt, name, "clock-names",
+ clocknames, sizeof(clocknames));
+
+ qemu_fdt_setprop_cells(s->fdt, name, "interrupts",
+ GIC_FDT_IRQ_TYPE_SPI, irqs[i],
+ GIC_FDT_IRQ_FLAGS_LEVEL_HI);
+ qemu_fdt_setprop_sized_cells(s->fdt, name, "reg",
+ 2, addrs[i], 2, 0x1000);
+ qemu_fdt_setprop(s->fdt, name, "compatible",
+ compat, sizeof(compat));
+ qemu_fdt_setprop(s->fdt, name, "u-boot,dm-pre-reloc", NULL, 0);
+
+ if (addrs[i] == MM_UART0) {
+ /* Select UART0. */
+ qemu_fdt_setprop_string(s->fdt, "/chosen", "stdout-path", name);
+ }
+ g_free(name);
+ }
+}
+
+static void fdt_add_fixed_link_nodes(VersalVirt *s, char *gemname,
+ uint32_t phandle)
+{
+ char *name = g_strdup_printf("%s/fixed-link", gemname);
+
+ qemu_fdt_add_subnode(s->fdt, name);
+ qemu_fdt_setprop_cell(s->fdt, name, "phandle", phandle);
+ qemu_fdt_setprop(s->fdt, name, "full-duplex", NULL, 0);
+ qemu_fdt_setprop_cell(s->fdt, name, "speed", 1000);
+ g_free(name);
+}
+
+static void fdt_add_gem_nodes(VersalVirt *s)
+{
+ uint64_t addrs[] = { MM_GEM1, MM_GEM0 };
+ unsigned int irqs[] = { VERSAL_GEM1_IRQ_0, VERSAL_GEM0_IRQ_0 };
+ const char clocknames[] = "pclk\0hclk\0tx_clk\0rx_clk";
+ const char compat_gem[] = "cdns,zynqmp-gem\0cdns,gem";
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(addrs); i++) {
+ char *name = g_strdup_printf("/ethernet@%" PRIx64, addrs[i]);
+ qemu_fdt_add_subnode(s->fdt, name);
+
+ fdt_add_fixed_link_nodes(s, name, s->phandle.ethernet_phy[i]);
+ qemu_fdt_setprop_string(s->fdt, name, "phy-mode", "rgmii-id");
+ qemu_fdt_setprop_cell(s->fdt, name, "phy-handle",
+ s->phandle.ethernet_phy[i]);
+ qemu_fdt_setprop_cells(s->fdt, name, "clocks",
+ s->phandle.clk_25Mhz, s->phandle.clk_25Mhz,
+ s->phandle.clk_25Mhz, s->phandle.clk_25Mhz);
+ qemu_fdt_setprop(s->fdt, name, "clock-names",
+ clocknames, sizeof(clocknames));
+ qemu_fdt_setprop_cells(s->fdt, name, "interrupts",
+ GIC_FDT_IRQ_TYPE_SPI, irqs[i],
+ GIC_FDT_IRQ_FLAGS_LEVEL_HI,
+ GIC_FDT_IRQ_TYPE_SPI, irqs[i],
+ GIC_FDT_IRQ_FLAGS_LEVEL_HI);
+ qemu_fdt_setprop_sized_cells(s->fdt, name, "reg",
+ 2, addrs[i], 2, 0x1000);
+ qemu_fdt_setprop(s->fdt, name, "compatible",
+ compat_gem, sizeof(compat_gem));
+ qemu_fdt_setprop_cell(s->fdt, name, "#address-cells", 1);
+ qemu_fdt_setprop_cell(s->fdt, name, "#size-cells", 0);
+ g_free(name);
+ }
+}
+
+static void fdt_nop_memory_nodes(void *fdt, Error **errp)
+{
+ Error *err = NULL;
+ char **node_path;
+ int n = 0;
+
+ node_path = qemu_fdt_node_unit_path(fdt, "memory", &err);
+ if (err) {
+ error_propagate(errp, err);
+ return;
+ }
+ while (node_path[n]) {
+ if (g_str_has_prefix(node_path[n], "/memory")) {
+ qemu_fdt_nop_node(fdt, node_path[n]);
+ }
+ n++;
+ }
+ g_strfreev(node_path);
+}
+
+static void fdt_add_memory_nodes(VersalVirt *s, void *fdt, uint64_t ram_size)
+{
+ /* Describes the various split DDR access regions. */
+ static const struct {
+ uint64_t base;
+ uint64_t size;
+ } addr_ranges[] = {
+ { MM_TOP_DDR, MM_TOP_DDR_SIZE },
+ { MM_TOP_DDR_2, MM_TOP_DDR_2_SIZE },
+ { MM_TOP_DDR_3, MM_TOP_DDR_3_SIZE },
+ { MM_TOP_DDR_4, MM_TOP_DDR_4_SIZE }
+ };
+ uint64_t mem_reg_prop[8] = {0};
+ uint64_t size = ram_size;
+ Error *err = NULL;
+ char *name;
+ int i;
+
+ fdt_nop_memory_nodes(fdt, &err);
+ if (err) {
+ error_report_err(err);
+ return;
+ }
+
+ name = g_strdup_printf("/memory@%x", MM_TOP_DDR);
+ for (i = 0; i < ARRAY_SIZE(addr_ranges) && size; i++) {
+ uint64_t mapsize;
+
+ mapsize = size < addr_ranges[i].size ? size : addr_ranges[i].size;
+
+ mem_reg_prop[i * 2] = addr_ranges[i].base;
+ mem_reg_prop[i * 2 + 1] = mapsize;
+ size -= mapsize;
+ }
+ qemu_fdt_add_subnode(fdt, name);
+ qemu_fdt_setprop_string(fdt, name, "device_type", "memory");
+
+ switch (i) {
+ case 1:
+ qemu_fdt_setprop_sized_cells(fdt, name, "reg",
+ 2, mem_reg_prop[0],
+ 2, mem_reg_prop[1]);
+ break;
+ case 2:
+ qemu_fdt_setprop_sized_cells(fdt, name, "reg",
+ 2, mem_reg_prop[0],
+ 2, mem_reg_prop[1],
+ 2, mem_reg_prop[2],
+ 2, mem_reg_prop[3]);
+ break;
+ case 3:
+ qemu_fdt_setprop_sized_cells(fdt, name, "reg",
+ 2, mem_reg_prop[0],
+ 2, mem_reg_prop[1],
+ 2, mem_reg_prop[2],
+ 2, mem_reg_prop[3],
+ 2, mem_reg_prop[4],
+ 2, mem_reg_prop[5]);
+ break;
+ case 4:
+ qemu_fdt_setprop_sized_cells(fdt, name, "reg",
+ 2, mem_reg_prop[0],
+ 2, mem_reg_prop[1],
+ 2, mem_reg_prop[2],
+ 2, mem_reg_prop[3],
+ 2, mem_reg_prop[4],
+ 2, mem_reg_prop[5],
+ 2, mem_reg_prop[6],
+ 2, mem_reg_prop[7]);
+ break;
+ default:
+ g_assert_not_reached();
+ }
+ g_free(name);
+}
+
+static void versal_virt_modify_dtb(const struct arm_boot_info *binfo,
+ void *fdt)
+{
+ VersalVirt *s = container_of(binfo, VersalVirt, binfo);
+
+ fdt_add_memory_nodes(s, fdt, binfo->ram_size);
+}
+
+static void *versal_virt_get_dtb(const struct arm_boot_info *binfo,
+ int *fdt_size)
+{
+ const VersalVirt *board = container_of(binfo, VersalVirt, binfo);
+
+ *fdt_size = board->fdt_size;
+ return board->fdt;
+}
+
+#define NUM_VIRTIO_TRANSPORT 32
+static void create_virtio_regions(VersalVirt *s)
+{
+ int virtio_mmio_size = 0x200;
+ int i;
+
+ for (i = 0; i < NUM_VIRTIO_TRANSPORT; i++) {
+ char *name = g_strdup_printf("virtio%d", i);;
+ hwaddr base = MM_TOP_RSVD + i * virtio_mmio_size;
+ int irq = VERSAL_RSVD_HIGH_IRQ_FIRST + i;
+ MemoryRegion *mr;
+ DeviceState *dev;
+ qemu_irq pic_irq;
+
+ pic_irq = qdev_get_gpio_in(DEVICE(&s->soc.fpd.apu.gic), irq);
+ dev = qdev_create(NULL, "virtio-mmio");
+ object_property_add_child(OBJECT(&s->soc), name, OBJECT(dev),
+ &error_fatal);
+ qdev_init_nofail(dev);
+ sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic_irq);
+ mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0);
+ memory_region_add_subregion(&s->soc.mr_ps, base, mr);
+ sysbus_create_simple("virtio-mmio", base, pic_irq);
+ }
+
+ for (i = 0; i < NUM_VIRTIO_TRANSPORT; i++) {
+ hwaddr base = MM_TOP_RSVD + i * virtio_mmio_size;
+ int irq = VERSAL_RSVD_HIGH_IRQ_FIRST + i;
+ char *name = g_strdup_printf("/virtio_mmio@%" PRIx64, base);
+
+ qemu_fdt_add_subnode(s->fdt, name);
+ qemu_fdt_setprop(s->fdt, name, "dma-coherent", NULL, 0);
+ qemu_fdt_setprop_cells(s->fdt, name, "interrupts",
+ GIC_FDT_IRQ_TYPE_SPI, irq,
+ GIC_FDT_IRQ_FLAGS_EDGE_LO_HI);
+ qemu_fdt_setprop_sized_cells(s->fdt, name, "reg",
+ 2, base, 2, virtio_mmio_size);
+ qemu_fdt_setprop_string(s->fdt, name, "compatible", "virtio,mmio");
+ g_free(name);
+ }
+}
+
+static void versal_virt_init(MachineState *machine)
+{
+ VersalVirt *s = XLNX_VERSAL_VIRT_MACHINE(machine);
+ int psci_conduit = QEMU_PSCI_CONDUIT_DISABLED;
+
+ /*
+ * If the user provides an Operating System to be loaded, we expect them
+ * to use the -kernel command line option.
+ *
+ * Users can load firmware or boot-loaders with the -device loader options.
+ *
+ * When loading an OS, we generate a dtb and let arm_load_kernel() select
+ * where it gets loaded. This dtb will be passed to the kernel in x0.
+ *
+ * If there's no -kernel option, we generate a DTB and place it at 0x1000
+ * for the bootloaders or firmware to pick up.
+ *
+ * If users want to provide their own DTB, they can use the -dtb option.
+ * These dtb's will have their memory nodes modified to match QEMU's
+ * selected ram_size option before they get passed to the kernel or fw.
+ *
+ * When loading an OS, we turn on QEMU's PSCI implementation with SMC
+ * as the PSCI conduit. When there's no -kernel, we assume the user
+ * provides EL3 firmware to handle PSCI.
+ */
+ if (machine->kernel_filename) {
+ psci_conduit = QEMU_PSCI_CONDUIT_SMC;
+ }
+
+ memory_region_allocate_system_memory(&s->mr_ddr, NULL, "ddr",
+ machine->ram_size);
+
+ sysbus_init_child_obj(OBJECT(machine), "xlnx-ve", &s->soc,
+ sizeof(s->soc), TYPE_XLNX_VERSAL);
+ object_property_set_link(OBJECT(&s->soc), OBJECT(&s->mr_ddr),
+ "ddr", &error_abort);
+ object_property_set_int(OBJECT(&s->soc), psci_conduit,
+ "psci-conduit", &error_abort);
+ object_property_set_bool(OBJECT(&s->soc), true, "realized", &error_fatal);
+
+ fdt_create(s);
+ create_virtio_regions(s);
+ fdt_add_gem_nodes(s);
+ fdt_add_uart_nodes(s);
+ fdt_add_gic_nodes(s);
+ fdt_add_timer_nodes(s);
+ fdt_add_cpu_nodes(s, psci_conduit);
+ fdt_add_clk_node(s, "/clk125", 125000000, s->phandle.clk_125Mhz);
+ fdt_add_clk_node(s, "/clk25", 25000000, s->phandle.clk_25Mhz);
+
+ /* Make the APU cpu address space visible to virtio and other
+ * modules unaware of muliple address-spaces. */
+ memory_region_add_subregion_overlap(get_system_memory(),
+ 0, &s->soc.fpd.apu.mr, 0);
+
+ s->binfo.ram_size = machine->ram_size;
+ s->binfo.kernel_filename = machine->kernel_filename;
+ s->binfo.kernel_cmdline = machine->kernel_cmdline;
+ s->binfo.initrd_filename = machine->initrd_filename;
+ s->binfo.loader_start = 0x0;
+ s->binfo.get_dtb = versal_virt_get_dtb;
+ s->binfo.modify_dtb = versal_virt_modify_dtb;
+ if (machine->kernel_filename) {
+ arm_load_kernel(s->soc.fpd.apu.cpu[0], &s->binfo);
+ } else {
+ AddressSpace *as = arm_boot_address_space(s->soc.fpd.apu.cpu[0],
+ &s->binfo);
+ /* Some boot-loaders (e.g u-boot) don't like blobs at address 0 (NULL).
+ * Offset things by 4K. */
+ s->binfo.loader_start = 0x1000;
+ s->binfo.dtb_limit = 0x1000000;
+ if (arm_load_dtb(s->binfo.loader_start,
+ &s->binfo, s->binfo.dtb_limit, as) < 0) {
+ exit(EXIT_FAILURE);
+ }
+ }
+}
+
+static void versal_virt_machine_instance_init(Object *obj)
+{
+}
+
+static void versal_virt_machine_class_init(ObjectClass *oc, void *data)
+{
+ MachineClass *mc = MACHINE_CLASS(oc);
+
+ mc->desc = "Xilinx Versal Virtual development board";
+ mc->init = versal_virt_init;
+ mc->max_cpus = XLNX_VERSAL_NR_ACPUS;
+ mc->default_cpus = XLNX_VERSAL_NR_ACPUS;
+ mc->no_cdrom = true;
+}
+
+static const TypeInfo versal_virt_machine_init_typeinfo = {
+ .name = TYPE_XLNX_VERSAL_VIRT_MACHINE,
+ .parent = TYPE_MACHINE,
+ .class_init = versal_virt_machine_class_init,
+ .instance_init = versal_virt_machine_instance_init,
+ .instance_size = sizeof(VersalVirt),
+};
+
+static void versal_virt_machine_init_register_types(void)
+{
+ type_register_static(&versal_virt_machine_init_typeinfo);
+}
+
+type_init(versal_virt_machine_init_register_types)
+
diff --git a/hw/arm/xlnx-versal.c b/hw/arm/xlnx-versal.c
new file mode 100644
index 0000000..5ee58c0
--- /dev/null
+++ b/hw/arm/xlnx-versal.c
@@ -0,0 +1,323 @@
+/*
+ * Xilinx Versal SoC model.
+ *
+ * Copyright (c) 2018 Xilinx Inc.
+ * Written by Edgar E. Iglesias
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 or
+ * (at your option) any later version.
+ */
+
+#include "qemu/osdep.h"
+#include "qapi/error.h"
+#include "qemu-common.h"
+#include "qemu/log.h"
+#include "hw/sysbus.h"
+#include "net/net.h"
+#include "sysemu/sysemu.h"
+#include "sysemu/kvm.h"
+#include "hw/arm/arm.h"
+#include "kvm_arm.h"
+#include "hw/misc/unimp.h"
+#include "hw/intc/arm_gicv3_common.h"
+#include "hw/arm/xlnx-versal.h"
+
+#define XLNX_VERSAL_ACPU_TYPE ARM_CPU_TYPE_NAME("cortex-a72")
+#define GEM_REVISION 0x40070106
+
+static void versal_create_apu_cpus(Versal *s)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(s->fpd.apu.cpu); i++) {
+ Object *obj;
+ char *name;
+
+ obj = object_new(XLNX_VERSAL_ACPU_TYPE);
+ if (!obj) {
+ /* Secondary CPUs start in PSCI powered-down state */
+ error_report("Unable to create apu.cpu[%d] of type %s",
+ i, XLNX_VERSAL_ACPU_TYPE);
+ exit(EXIT_FAILURE);
+ }
+
+ name = g_strdup_printf("apu-cpu[%d]", i);
+ object_property_add_child(OBJECT(s), name, obj, &error_fatal);
+ g_free(name);
+
+ object_property_set_int(obj, s->cfg.psci_conduit,
+ "psci-conduit", &error_abort);
+ if (i) {
+ object_property_set_bool(obj, true,
+ "start-powered-off", &error_abort);
+ }
+
+ object_property_set_int(obj, ARRAY_SIZE(s->fpd.apu.cpu),
+ "core-count", &error_abort);
+ object_property_set_link(obj, OBJECT(&s->fpd.apu.mr), "memory",
+ &error_abort);
+ object_property_set_bool(obj, true, "realized", &error_fatal);
+ s->fpd.apu.cpu[i] = ARM_CPU(obj);
+ }
+}
+
+static void versal_create_apu_gic(Versal *s, qemu_irq *pic)
+{
+ static const uint64_t addrs[] = {
+ MM_GIC_APU_DIST_MAIN,
+ MM_GIC_APU_REDIST_0
+ };
+ SysBusDevice *gicbusdev;
+ DeviceState *gicdev;
+ int nr_apu_cpus = ARRAY_SIZE(s->fpd.apu.cpu);
+ int i;
+
+ sysbus_init_child_obj(OBJECT(s), "apu-gic",
+ &s->fpd.apu.gic, sizeof(s->fpd.apu.gic),
+ gicv3_class_name());
+ gicbusdev = SYS_BUS_DEVICE(&s->fpd.apu.gic);
+ gicdev = DEVICE(&s->fpd.apu.gic);
+ qdev_prop_set_uint32(gicdev, "revision", 3);
+ qdev_prop_set_uint32(gicdev, "num-cpu", 2);
+ qdev_prop_set_uint32(gicdev, "num-irq", XLNX_VERSAL_NR_IRQS + 32);
+ qdev_prop_set_uint32(gicdev, "len-redist-region-count", 1);
+ qdev_prop_set_uint32(gicdev, "redist-region-count[0]", 2);
+ qdev_prop_set_bit(gicdev, "has-security-extensions", true);
+
+ object_property_set_bool(OBJECT(&s->fpd.apu.gic), true, "realized",
+ &error_fatal);
+
+ for (i = 0; i < ARRAY_SIZE(addrs); i++) {
+ MemoryRegion *mr;
+
+ mr = sysbus_mmio_get_region(gicbusdev, i);
+ memory_region_add_subregion(&s->fpd.apu.mr, addrs[i], mr);
+ }
+
+ for (i = 0; i < nr_apu_cpus; i++) {
+ DeviceState *cpudev = DEVICE(s->fpd.apu.cpu[i]);
+ int ppibase = XLNX_VERSAL_NR_IRQS + i * GIC_INTERNAL + GIC_NR_SGIS;
+ qemu_irq maint_irq;
+ int ti;
+ /* Mapping from the output timer irq lines from the CPU to the
+ * GIC PPI inputs.
+ */
+ const int timer_irq[] = {
+ [GTIMER_PHYS] = VERSAL_TIMER_NS_EL1_IRQ,
+ [GTIMER_VIRT] = VERSAL_TIMER_VIRT_IRQ,
+ [GTIMER_HYP] = VERSAL_TIMER_NS_EL2_IRQ,
+ [GTIMER_SEC] = VERSAL_TIMER_S_EL1_IRQ,
+ };
+
+ for (ti = 0; ti < ARRAY_SIZE(timer_irq); ti++) {
+ qdev_connect_gpio_out(cpudev, ti,
+ qdev_get_gpio_in(gicdev,
+ ppibase + timer_irq[ti]));
+ }
+ maint_irq = qdev_get_gpio_in(gicdev,
+ ppibase + VERSAL_GIC_MAINT_IRQ);
+ qdev_connect_gpio_out_named(cpudev, "gicv3-maintenance-interrupt",
+ 0, maint_irq);
+ sysbus_connect_irq(gicbusdev, i, qdev_get_gpio_in(cpudev, ARM_CPU_IRQ));
+ sysbus_connect_irq(gicbusdev, i + nr_apu_cpus,
+ qdev_get_gpio_in(cpudev, ARM_CPU_FIQ));
+ sysbus_connect_irq(gicbusdev, i + 2 * nr_apu_cpus,
+ qdev_get_gpio_in(cpudev, ARM_CPU_VIRQ));
+ sysbus_connect_irq(gicbusdev, i + 3 * nr_apu_cpus,
+ qdev_get_gpio_in(cpudev, ARM_CPU_VFIQ));
+ }
+
+ for (i = 0; i < XLNX_VERSAL_NR_IRQS; i++) {
+ pic[i] = qdev_get_gpio_in(gicdev, i);
+ }
+}
+
+static void versal_create_uarts(Versal *s, qemu_irq *pic)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(s->lpd.iou.uart); i++) {
+ static const int irqs[] = { VERSAL_UART0_IRQ_0, VERSAL_UART1_IRQ_0};
+ static const uint64_t addrs[] = { MM_UART0, MM_UART1 };
+ char *name = g_strdup_printf("uart%d", i);
+ DeviceState *dev;
+ MemoryRegion *mr;
+
+ dev = qdev_create(NULL, "pl011");
+ s->lpd.iou.uart[i] = SYS_BUS_DEVICE(dev);
+ qdev_prop_set_chr(dev, "chardev", serial_hd(i));
+ object_property_add_child(OBJECT(s), name, OBJECT(dev), &error_fatal);
+ qdev_init_nofail(dev);
+
+ mr = sysbus_mmio_get_region(s->lpd.iou.uart[i], 0);
+ memory_region_add_subregion(&s->mr_ps, addrs[i], mr);
+
+ sysbus_connect_irq(s->lpd.iou.uart[i], 0, pic[irqs[i]]);
+ g_free(name);
+ }
+}
+
+static void versal_create_gems(Versal *s, qemu_irq *pic)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(s->lpd.iou.gem); i++) {
+ static const int irqs[] = { VERSAL_GEM0_IRQ_0, VERSAL_GEM1_IRQ_0};
+ static const uint64_t addrs[] = { MM_GEM0, MM_GEM1 };
+ char *name = g_strdup_printf("gem%d", i);
+ NICInfo *nd = &nd_table[i];
+ DeviceState *dev;
+ MemoryRegion *mr;
+
+ dev = qdev_create(NULL, "cadence_gem");
+ s->lpd.iou.gem[i] = SYS_BUS_DEVICE(dev);
+ object_property_add_child(OBJECT(s), name, OBJECT(dev), &error_fatal);
+ if (nd->used) {
+ qemu_check_nic_model(nd, "cadence_gem");
+ qdev_set_nic_properties(dev, nd);
+ }
+ object_property_set_int(OBJECT(s->lpd.iou.gem[i]),
+ 2, "num-priority-queues",
+ &error_abort);
+ object_property_set_link(OBJECT(s->lpd.iou.gem[i]),
+ OBJECT(&s->mr_ps), "dma",
+ &error_abort);
+ qdev_init_nofail(dev);
+
+ mr = sysbus_mmio_get_region(s->lpd.iou.gem[i], 0);
+ memory_region_add_subregion(&s->mr_ps, addrs[i], mr);
+
+ sysbus_connect_irq(s->lpd.iou.gem[i], 0, pic[irqs[i]]);
+ g_free(name);
+ }
+}
+
+/* This takes the board allocated linear DDR memory and creates aliases
+ * for each split DDR range/aperture on the Versal address map.
+ */
+static void versal_map_ddr(Versal *s)
+{
+ uint64_t size = memory_region_size(s->cfg.mr_ddr);
+ /* Describes the various split DDR access regions. */
+ static const struct {
+ uint64_t base;
+ uint64_t size;
+ } addr_ranges[] = {
+ { MM_TOP_DDR, MM_TOP_DDR_SIZE },
+ { MM_TOP_DDR_2, MM_TOP_DDR_2_SIZE },
+ { MM_TOP_DDR_3, MM_TOP_DDR_3_SIZE },
+ { MM_TOP_DDR_4, MM_TOP_DDR_4_SIZE }
+ };
+ uint64_t offset = 0;
+ int i;
+
+ assert(ARRAY_SIZE(addr_ranges) == ARRAY_SIZE(s->noc.mr_ddr_ranges));
+ for (i = 0; i < ARRAY_SIZE(addr_ranges) && size; i++) {
+ char *name;
+ uint64_t mapsize;
+
+ mapsize = size < addr_ranges[i].size ? size : addr_ranges[i].size;
+ name = g_strdup_printf("noc-ddr-range%d", i);
+ /* Create the MR alias. */
+ memory_region_init_alias(&s->noc.mr_ddr_ranges[i], OBJECT(s),
+ name, s->cfg.mr_ddr,
+ offset, mapsize);
+
+ /* Map it onto the NoC MR. */
+ memory_region_add_subregion(&s->mr_ps, addr_ranges[i].base,
+ &s->noc.mr_ddr_ranges[i]);
+ offset += mapsize;
+ size -= mapsize;
+ g_free(name);
+ }
+}
+
+static void versal_unimp_area(Versal *s, const char *name,
+ MemoryRegion *mr,
+ hwaddr base, hwaddr size)
+{
+ DeviceState *dev = qdev_create(NULL, TYPE_UNIMPLEMENTED_DEVICE);
+ MemoryRegion *mr_dev;
+
+ qdev_prop_set_string(dev, "name", name);
+ qdev_prop_set_uint64(dev, "size", size);
+ object_property_add_child(OBJECT(s), name, OBJECT(dev), &error_fatal);
+ qdev_init_nofail(dev);
+
+ mr_dev = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0);
+ memory_region_add_subregion(mr, base, mr_dev);
+}
+
+static void versal_unimp(Versal *s)
+{
+ versal_unimp_area(s, "psm", &s->mr_ps,
+ MM_PSM_START, MM_PSM_END - MM_PSM_START);
+ versal_unimp_area(s, "crl", &s->mr_ps,
+ MM_CRL, MM_CRL_SIZE);
+ versal_unimp_area(s, "crf", &s->mr_ps,
+ MM_FPD_CRF, MM_FPD_CRF_SIZE);
+ versal_unimp_area(s, "iou-scntr", &s->mr_ps,
+ MM_IOU_SCNTR, MM_IOU_SCNTR_SIZE);
+ versal_unimp_area(s, "iou-scntr-seucre", &s->mr_ps,
+ MM_IOU_SCNTRS, MM_IOU_SCNTRS_SIZE);
+}
+
+static void versal_realize(DeviceState *dev, Error **errp)
+{
+ Versal *s = XLNX_VERSAL(dev);
+ qemu_irq pic[XLNX_VERSAL_NR_IRQS];
+
+ versal_create_apu_cpus(s);
+ versal_create_apu_gic(s, pic);
+ versal_create_uarts(s, pic);
+ versal_create_gems(s, pic);
+ versal_map_ddr(s);
+ versal_unimp(s);
+
+ /* Create the On Chip Memory (OCM). */
+ memory_region_init_ram(&s->lpd.mr_ocm, OBJECT(s), "ocm",
+ MM_OCM_SIZE, &error_fatal);
+
+ memory_region_add_subregion_overlap(&s->mr_ps, MM_OCM, &s->lpd.mr_ocm, 0);
+ memory_region_add_subregion_overlap(&s->fpd.apu.mr, 0, &s->mr_ps, 0);
+}
+
+static void versal_init(Object *obj)
+{
+ Versal *s = XLNX_VERSAL(obj);
+
+ memory_region_init(&s->fpd.apu.mr, obj, "mr-apu", UINT64_MAX);
+ memory_region_init(&s->mr_ps, obj, "mr-ps-switch", UINT64_MAX);
+}
+
+static Property versal_properties[] = {
+ DEFINE_PROP_LINK("ddr", Versal, cfg.mr_ddr, TYPE_MEMORY_REGION,
+ MemoryRegion *),
+ DEFINE_PROP_UINT32("psci-conduit", Versal, cfg.psci_conduit, 0),
+ DEFINE_PROP_END_OF_LIST()
+};
+
+static void versal_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+
+ dc->realize = versal_realize;
+ dc->props = versal_properties;
+ /* No VMSD since we haven't got any top-level SoC state to save. */
+}
+
+static const TypeInfo versal_info = {
+ .name = TYPE_XLNX_VERSAL,
+ .parent = TYPE_SYS_BUS_DEVICE,
+ .instance_size = sizeof(Versal),
+ .instance_init = versal_init,
+ .class_init = versal_class_init,
+};
+
+static void versal_register_types(void)
+{
+ type_register_static(&versal_info);
+}
+
+type_init(versal_register_types);
diff --git a/hw/char/Makefile.objs b/hw/char/Makefile.objs
index b570531..c4947d7 100644
--- a/hw/char/Makefile.objs
+++ b/hw/char/Makefile.objs
@@ -1,5 +1,6 @@
common-obj-$(CONFIG_IPACK) += ipoctal232.o
common-obj-$(CONFIG_ESCC) += escc.o
+common-obj-$(CONFIG_NRF51_SOC) += nrf51_uart.o
common-obj-$(CONFIG_PARALLEL) += parallel.o
common-obj-$(CONFIG_PARALLEL) += parallel-isa.o
common-obj-$(CONFIG_PL011) += pl011.o
diff --git a/hw/char/nrf51_uart.c b/hw/char/nrf51_uart.c
new file mode 100644
index 0000000..2f5fae6
--- /dev/null
+++ b/hw/char/nrf51_uart.c
@@ -0,0 +1,330 @@
+/*
+ * nRF51 SoC UART emulation
+ *
+ * See nRF51 Series Reference Manual, "29 Universal Asynchronous
+ * Receiver/Transmitter" for hardware specifications:
+ * http://infocenter.nordicsemi.com/pdf/nRF51_RM_v3.0.pdf
+ *
+ * Copyright (c) 2018 Julia Suvorova <jusual@mail.ru>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 or
+ * (at your option) any later version.
+ */
+
+#include "qemu/osdep.h"
+#include "qemu/log.h"
+#include "hw/char/nrf51_uart.h"
+#include "trace.h"
+
+static void nrf51_uart_update_irq(NRF51UARTState *s)
+{
+ bool irq = false;
+
+ irq |= (s->reg[R_UART_RXDRDY] &&
+ (s->reg[R_UART_INTEN] & R_UART_INTEN_RXDRDY_MASK));
+ irq |= (s->reg[R_UART_TXDRDY] &&
+ (s->reg[R_UART_INTEN] & R_UART_INTEN_TXDRDY_MASK));
+ irq |= (s->reg[R_UART_ERROR] &&
+ (s->reg[R_UART_INTEN] & R_UART_INTEN_ERROR_MASK));
+ irq |= (s->reg[R_UART_RXTO] &&
+ (s->reg[R_UART_INTEN] & R_UART_INTEN_RXTO_MASK));
+
+ qemu_set_irq(s->irq, irq);
+}
+
+static uint64_t uart_read(void *opaque, hwaddr addr, unsigned int size)
+{
+ NRF51UARTState *s = NRF51_UART(opaque);
+ uint64_t r;
+
+ if (!s->enabled) {
+ return 0;
+ }
+
+ switch (addr) {
+ case A_UART_RXD:
+ r = s->rx_fifo[s->rx_fifo_pos];
+ if (s->rx_started && s->rx_fifo_len) {
+ s->rx_fifo_pos = (s->rx_fifo_pos + 1) % UART_FIFO_LENGTH;
+ s->rx_fifo_len--;
+ if (s->rx_fifo_len) {
+ s->reg[R_UART_RXDRDY] = 1;
+ nrf51_uart_update_irq(s);
+ }
+ qemu_chr_fe_accept_input(&s->chr);
+ }
+ break;
+ case A_UART_INTENSET:
+ case A_UART_INTENCLR:
+ case A_UART_INTEN:
+ r = s->reg[R_UART_INTEN];
+ break;
+ default:
+ r = s->reg[addr / 4];
+ break;
+ }
+
+ trace_nrf51_uart_read(addr, r, size);
+
+ return r;
+}
+
+static gboolean uart_transmit(GIOChannel *chan, GIOCondition cond, void *opaque)
+{
+ NRF51UARTState *s = NRF51_UART(opaque);
+ int r;
+ uint8_t c = s->reg[R_UART_TXD];
+
+ s->watch_tag = 0;
+
+ r = qemu_chr_fe_write(&s->chr, &c, 1);
+ if (r <= 0) {
+ s->watch_tag = qemu_chr_fe_add_watch(&s->chr, G_IO_OUT | G_IO_HUP,
+ uart_transmit, s);
+ if (!s->watch_tag) {
+ /* The hardware has no transmit error reporting,
+ * so silently drop the byte
+ */
+ goto buffer_drained;
+ }
+ return FALSE;
+ }
+
+buffer_drained:
+ s->reg[R_UART_TXDRDY] = 1;
+ s->pending_tx_byte = false;
+ return FALSE;
+}
+
+static void uart_cancel_transmit(NRF51UARTState *s)
+{
+ if (s->watch_tag) {
+ g_source_remove(s->watch_tag);
+ s->watch_tag = 0;
+ }
+}
+
+static void uart_write(void *opaque, hwaddr addr,
+ uint64_t value, unsigned int size)
+{
+ NRF51UARTState *s = NRF51_UART(opaque);
+
+ trace_nrf51_uart_write(addr, value, size);
+
+ if (!s->enabled && (addr != A_UART_ENABLE)) {
+ return;
+ }
+
+ switch (addr) {
+ case A_UART_TXD:
+ if (!s->pending_tx_byte && s->tx_started) {
+ s->reg[R_UART_TXD] = value;
+ s->pending_tx_byte = true;
+ uart_transmit(NULL, G_IO_OUT, s);
+ }
+ break;
+ case A_UART_INTEN:
+ s->reg[R_UART_INTEN] = value;
+ break;
+ case A_UART_INTENSET:
+ s->reg[R_UART_INTEN] |= value;
+ break;
+ case A_UART_INTENCLR:
+ s->reg[R_UART_INTEN] &= ~value;
+ break;
+ case A_UART_TXDRDY ... A_UART_RXTO:
+ s->reg[addr / 4] = value;
+ break;
+ case A_UART_ERRORSRC:
+ s->reg[addr / 4] &= ~value;
+ break;
+ case A_UART_RXD:
+ break;
+ case A_UART_RXDRDY:
+ if (value == 0) {
+ s->reg[R_UART_RXDRDY] = 0;
+ }
+ break;
+ case A_UART_STARTTX:
+ if (value == 1) {
+ s->tx_started = true;
+ }
+ break;
+ case A_UART_STARTRX:
+ if (value == 1) {
+ s->rx_started = true;
+ }
+ break;
+ case A_UART_ENABLE:
+ if (value) {
+ if (value == 4) {
+ s->enabled = true;
+ }
+ break;
+ }
+ s->enabled = false;
+ value = 1;
+ /* fall through */
+ case A_UART_SUSPEND:
+ case A_UART_STOPTX:
+ if (value == 1) {
+ s->tx_started = false;
+ }
+ /* fall through */
+ case A_UART_STOPRX:
+ if (addr != A_UART_STOPTX && value == 1) {
+ s->rx_started = false;
+ s->reg[R_UART_RXTO] = 1;
+ }
+ break;
+ default:
+ s->reg[addr / 4] = value;
+ break;
+ }
+ nrf51_uart_update_irq(s);
+}
+
+static const MemoryRegionOps uart_ops = {
+ .read = uart_read,
+ .write = uart_write,
+ .endianness = DEVICE_LITTLE_ENDIAN,
+};
+
+static void nrf51_uart_reset(DeviceState *dev)
+{
+ NRF51UARTState *s = NRF51_UART(dev);
+
+ s->pending_tx_byte = 0;
+
+ uart_cancel_transmit(s);
+
+ memset(s->reg, 0, sizeof(s->reg));
+
+ s->reg[R_UART_PSELRTS] = 0xFFFFFFFF;
+ s->reg[R_UART_PSELTXD] = 0xFFFFFFFF;
+ s->reg[R_UART_PSELCTS] = 0xFFFFFFFF;
+ s->reg[R_UART_PSELRXD] = 0xFFFFFFFF;
+ s->reg[R_UART_BAUDRATE] = 0x4000000;
+
+ s->rx_fifo_len = 0;
+ s->rx_fifo_pos = 0;
+ s->rx_started = false;
+ s->tx_started = false;
+ s->enabled = false;
+}
+
+static void uart_receive(void *opaque, const uint8_t *buf, int size)
+{
+
+ NRF51UARTState *s = NRF51_UART(opaque);
+ int i;
+
+ if (size == 0 || s->rx_fifo_len >= UART_FIFO_LENGTH) {
+ return;
+ }
+
+ for (i = 0; i < size; i++) {
+ uint32_t pos = (s->rx_fifo_pos + s->rx_fifo_len) % UART_FIFO_LENGTH;
+ s->rx_fifo[pos] = buf[i];
+ s->rx_fifo_len++;
+ }
+
+ s->reg[R_UART_RXDRDY] = 1;
+ nrf51_uart_update_irq(s);
+}
+
+static int uart_can_receive(void *opaque)
+{
+ NRF51UARTState *s = NRF51_UART(opaque);
+
+ return s->rx_started ? (UART_FIFO_LENGTH - s->rx_fifo_len) : 0;
+}
+
+static void uart_event(void *opaque, int event)
+{
+ NRF51UARTState *s = NRF51_UART(opaque);
+
+ if (event == CHR_EVENT_BREAK) {
+ s->reg[R_UART_ERRORSRC] |= 3;
+ s->reg[R_UART_ERROR] = 1;
+ nrf51_uart_update_irq(s);
+ }
+}
+
+static void nrf51_uart_realize(DeviceState *dev, Error **errp)
+{
+ NRF51UARTState *s = NRF51_UART(dev);
+
+ qemu_chr_fe_set_handlers(&s->chr, uart_can_receive, uart_receive,
+ uart_event, NULL, s, NULL, true);
+}
+
+static void nrf51_uart_init(Object *obj)
+{
+ NRF51UARTState *s = NRF51_UART(obj);
+ SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
+
+ memory_region_init_io(&s->iomem, obj, &uart_ops, s,
+ "nrf51_soc.uart", UART_SIZE);
+ sysbus_init_mmio(sbd, &s->iomem);
+ sysbus_init_irq(sbd, &s->irq);
+}
+
+static int nrf51_uart_post_load(void *opaque, int version_id)
+{
+ NRF51UARTState *s = NRF51_UART(opaque);
+
+ if (s->pending_tx_byte) {
+ s->watch_tag = qemu_chr_fe_add_watch(&s->chr, G_IO_OUT | G_IO_HUP,
+ uart_transmit, s);
+ }
+
+ return 0;
+}
+
+static const VMStateDescription nrf51_uart_vmstate = {
+ .name = "nrf51_soc.uart",
+ .post_load = nrf51_uart_post_load,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT32_ARRAY(reg, NRF51UARTState, 0x56C),
+ VMSTATE_UINT8_ARRAY(rx_fifo, NRF51UARTState, UART_FIFO_LENGTH),
+ VMSTATE_UINT32(rx_fifo_pos, NRF51UARTState),
+ VMSTATE_UINT32(rx_fifo_len, NRF51UARTState),
+ VMSTATE_BOOL(rx_started, NRF51UARTState),
+ VMSTATE_BOOL(tx_started, NRF51UARTState),
+ VMSTATE_BOOL(pending_tx_byte, NRF51UARTState),
+ VMSTATE_BOOL(enabled, NRF51UARTState),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+static Property nrf51_uart_properties[] = {
+ DEFINE_PROP_CHR("chardev", NRF51UARTState, chr),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static void nrf51_uart_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+
+ dc->reset = nrf51_uart_reset;
+ dc->realize = nrf51_uart_realize;
+ dc->props = nrf51_uart_properties;
+ dc->vmsd = &nrf51_uart_vmstate;
+}
+
+static const TypeInfo nrf51_uart_info = {
+ .name = TYPE_NRF51_UART,
+ .parent = TYPE_SYS_BUS_DEVICE,
+ .instance_size = sizeof(NRF51UARTState),
+ .instance_init = nrf51_uart_init,
+ .class_init = nrf51_uart_class_init
+};
+
+static void nrf51_uart_register_types(void)
+{
+ type_register_static(&nrf51_uart_info);
+}
+
+type_init(nrf51_uart_register_types)
diff --git a/hw/char/trace-events b/hw/char/trace-events
index b64213d..de34a74 100644
--- a/hw/char/trace-events
+++ b/hw/char/trace-events
@@ -73,3 +73,7 @@ cmsdk_apb_uart_receive(uint8_t c) "CMSDK APB UART: got character 0x%x from backe
cmsdk_apb_uart_tx_pending(void) "CMSDK APB UART: character send to backend pending"
cmsdk_apb_uart_tx(uint8_t c) "CMSDK APB UART: character 0x%x sent to backend"
cmsdk_apb_uart_set_params(int speed) "CMSDK APB UART: params set to %d 8N1"
+
+# hw/char/nrf51_uart.c
+nrf51_uart_read(uint64_t addr, uint64_t r, unsigned int size) "addr 0x%" PRIx64 " value 0x%" PRIx64 " size %u"
+nrf51_uart_write(uint64_t addr, uint64_t value, unsigned int size) "addr 0x%" PRIx64 " value 0x%" PRIx64 " size %u"
diff --git a/include/hw/arm/nrf51_soc.h b/include/hw/arm/nrf51_soc.h
index f4e092b..73fc92e 100644
--- a/include/hw/arm/nrf51_soc.h
+++ b/include/hw/arm/nrf51_soc.h
@@ -12,6 +12,7 @@
#include "hw/sysbus.h"
#include "hw/arm/armv7m.h"
+#include "hw/char/nrf51_uart.h"
#define TYPE_NRF51_SOC "nrf51-soc"
#define NRF51_SOC(obj) \
@@ -24,6 +25,8 @@ typedef struct NRF51State {
/*< public >*/
ARMv7MState cpu;
+ NRF51UARTState uart;
+
MemoryRegion iomem;
MemoryRegion sram;
MemoryRegion flash;
diff --git a/include/hw/arm/xlnx-versal.h b/include/hw/arm/xlnx-versal.h
new file mode 100644
index 0000000..9da621e
--- /dev/null
+++ b/include/hw/arm/xlnx-versal.h
@@ -0,0 +1,122 @@
+/*
+ * Model of the Xilinx Versal
+ *
+ * Copyright (c) 2018 Xilinx Inc.
+ * Written by Edgar E. Iglesias
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 or
+ * (at your option) any later version.
+ */
+
+#ifndef XLNX_VERSAL_H
+#define XLNX_VERSAL_H
+
+#include "hw/sysbus.h"
+#include "hw/arm/arm.h"
+#include "hw/intc/arm_gicv3.h"
+
+#define TYPE_XLNX_VERSAL "xlnx-versal"
+#define XLNX_VERSAL(obj) OBJECT_CHECK(Versal, (obj), TYPE_XLNX_VERSAL)
+
+#define XLNX_VERSAL_NR_ACPUS 2
+#define XLNX_VERSAL_NR_UARTS 2
+#define XLNX_VERSAL_NR_GEMS 2
+#define XLNX_VERSAL_NR_IRQS 256
+
+typedef struct Versal {
+ /*< private >*/
+ SysBusDevice parent_obj;
+
+ /*< public >*/
+ struct {
+ struct {
+ MemoryRegion mr;
+ ARMCPU *cpu[XLNX_VERSAL_NR_ACPUS];
+ GICv3State gic;
+ } apu;
+ } fpd;
+
+ MemoryRegion mr_ps;
+
+ struct {
+ /* 4 ranges to access DDR. */
+ MemoryRegion mr_ddr_ranges[4];
+ } noc;
+
+ struct {
+ MemoryRegion mr_ocm;
+
+ struct {
+ SysBusDevice *uart[XLNX_VERSAL_NR_UARTS];
+ SysBusDevice *gem[XLNX_VERSAL_NR_GEMS];
+ } iou;
+ } lpd;
+
+ struct {
+ MemoryRegion *mr_ddr;
+ uint32_t psci_conduit;
+ } cfg;
+} Versal;
+
+/* Memory-map and IRQ definitions. Copied a subset from
+ * auto-generated files. */
+
+#define VERSAL_GIC_MAINT_IRQ 9
+#define VERSAL_TIMER_VIRT_IRQ 11
+#define VERSAL_TIMER_S_EL1_IRQ 13
+#define VERSAL_TIMER_NS_EL1_IRQ 14
+#define VERSAL_TIMER_NS_EL2_IRQ 10
+
+#define VERSAL_UART0_IRQ_0 18
+#define VERSAL_UART1_IRQ_0 19
+#define VERSAL_GEM0_IRQ_0 56
+#define VERSAL_GEM0_WAKE_IRQ_0 57
+#define VERSAL_GEM1_IRQ_0 58
+#define VERSAL_GEM1_WAKE_IRQ_0 59
+
+/* Architecturally eserved IRQs suitable for virtualization. */
+#define VERSAL_RSVD_HIGH_IRQ_FIRST 160
+#define VERSAL_RSVD_HIGH_IRQ_LAST 255
+
+#define MM_TOP_RSVD 0xa0000000U
+#define MM_TOP_RSVD_SIZE 0x4000000
+#define MM_GIC_APU_DIST_MAIN 0xf9000000U
+#define MM_GIC_APU_DIST_MAIN_SIZE 0x10000
+#define MM_GIC_APU_REDIST_0 0xf9080000U
+#define MM_GIC_APU_REDIST_0_SIZE 0x80000
+
+#define MM_UART0 0xff000000U
+#define MM_UART0_SIZE 0x10000
+#define MM_UART1 0xff010000U
+#define MM_UART1_SIZE 0x10000
+
+#define MM_GEM0 0xff0c0000U
+#define MM_GEM0_SIZE 0x10000
+#define MM_GEM1 0xff0d0000U
+#define MM_GEM1_SIZE 0x10000
+
+#define MM_OCM 0xfffc0000U
+#define MM_OCM_SIZE 0x40000
+
+#define MM_TOP_DDR 0x0
+#define MM_TOP_DDR_SIZE 0x80000000U
+#define MM_TOP_DDR_2 0x800000000ULL
+#define MM_TOP_DDR_2_SIZE 0x800000000ULL
+#define MM_TOP_DDR_3 0xc000000000ULL
+#define MM_TOP_DDR_3_SIZE 0x4000000000ULL
+#define MM_TOP_DDR_4 0x10000000000ULL
+#define MM_TOP_DDR_4_SIZE 0xb780000000ULL
+
+#define MM_PSM_START 0xffc80000U
+#define MM_PSM_END 0xffcf0000U
+
+#define MM_CRL 0xff5e0000U
+#define MM_CRL_SIZE 0x300000
+#define MM_IOU_SCNTR 0xff130000U
+#define MM_IOU_SCNTR_SIZE 0x10000
+#define MM_IOU_SCNTRS 0xff140000U
+#define MM_IOU_SCNTRS_SIZE 0x10000
+#define MM_FPD_CRF 0xfd1a0000U
+#define MM_FPD_CRF_SIZE 0x140000
+#endif
diff --git a/include/hw/char/nrf51_uart.h b/include/hw/char/nrf51_uart.h
new file mode 100644
index 0000000..e3ecb7c
--- /dev/null
+++ b/include/hw/char/nrf51_uart.h
@@ -0,0 +1,78 @@
+/*
+ * nRF51 SoC UART emulation
+ *
+ * Copyright (c) 2018 Julia Suvorova <jusual@mail.ru>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 or
+ * (at your option) any later version.
+ */
+
+#ifndef NRF51_UART_H
+#define NRF51_UART_H
+
+#include "hw/sysbus.h"
+#include "chardev/char-fe.h"
+#include "hw/registerfields.h"
+
+#define UART_FIFO_LENGTH 6
+#define UART_BASE 0x40002000
+#define UART_SIZE 0x1000
+
+#define TYPE_NRF51_UART "nrf51_soc.uart"
+#define NRF51_UART(obj) OBJECT_CHECK(NRF51UARTState, (obj), TYPE_NRF51_UART)
+
+REG32(UART_STARTRX, 0x000)
+REG32(UART_STOPRX, 0x004)
+REG32(UART_STARTTX, 0x008)
+REG32(UART_STOPTX, 0x00C)
+REG32(UART_SUSPEND, 0x01C)
+
+REG32(UART_CTS, 0x100)
+REG32(UART_NCTS, 0x104)
+REG32(UART_RXDRDY, 0x108)
+REG32(UART_TXDRDY, 0x11C)
+REG32(UART_ERROR, 0x124)
+REG32(UART_RXTO, 0x144)
+
+REG32(UART_INTEN, 0x300)
+ FIELD(UART_INTEN, CTS, 0, 1)
+ FIELD(UART_INTEN, NCTS, 1, 1)
+ FIELD(UART_INTEN, RXDRDY, 2, 1)
+ FIELD(UART_INTEN, TXDRDY, 7, 1)
+ FIELD(UART_INTEN, ERROR, 9, 1)
+ FIELD(UART_INTEN, RXTO, 17, 1)
+REG32(UART_INTENSET, 0x304)
+REG32(UART_INTENCLR, 0x308)
+REG32(UART_ERRORSRC, 0x480)
+REG32(UART_ENABLE, 0x500)
+REG32(UART_PSELRTS, 0x508)
+REG32(UART_PSELTXD, 0x50C)
+REG32(UART_PSELCTS, 0x510)
+REG32(UART_PSELRXD, 0x514)
+REG32(UART_RXD, 0x518)
+REG32(UART_TXD, 0x51C)
+REG32(UART_BAUDRATE, 0x524)
+REG32(UART_CONFIG, 0x56C)
+
+typedef struct NRF51UARTState {
+ SysBusDevice parent_obj;
+
+ MemoryRegion iomem;
+ CharBackend chr;
+ qemu_irq irq;
+ guint watch_tag;
+
+ uint8_t rx_fifo[UART_FIFO_LENGTH];
+ unsigned int rx_fifo_pos;
+ unsigned int rx_fifo_len;
+
+ uint32_t reg[0x56C];
+
+ bool rx_started;
+ bool tx_started;
+ bool pending_tx_byte;
+ bool enabled;
+} NRF51UARTState;
+
+#endif
diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index 8f16e96..784a4c2 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -774,6 +774,7 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
CPUARMState *env = &cpu->env;
int pagebits;
Error *local_err = NULL;
+ bool no_aa32 = false;
/* If we needed to query the host kernel for the CPU features
* then it's possible that might have failed in the initfn, but
@@ -820,6 +821,16 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
set_feature(env, ARM_FEATURE_V7VE);
}
}
+
+ /*
+ * There exist AArch64 cpus without AArch32 support. When KVM
+ * queries ID_ISAR0_EL1 on such a host, the value is UNKNOWN.
+ * Similarly, we cannot check ID_AA64PFR0 without AArch64 support.
+ */
+ if (arm_feature(&cpu->env, ARM_FEATURE_AARCH64)) {
+ no_aa32 = !cpu_isar_feature(aa64_aa32, cpu);
+ }
+
if (arm_feature(env, ARM_FEATURE_V7VE)) {
/* v7 Virtualization Extensions. In real hardware this implies
* EL2 and also the presence of the Security Extensions.
@@ -829,7 +840,7 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
* Presence of EL2 itself is ARM_FEATURE_EL2, and of the
* Security Extensions is ARM_FEATURE_EL3.
*/
- assert(cpu_isar_feature(arm_div, cpu));
+ assert(no_aa32 || cpu_isar_feature(arm_div, cpu));
set_feature(env, ARM_FEATURE_LPAE);
set_feature(env, ARM_FEATURE_V7);
}
@@ -855,7 +866,7 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
if (arm_feature(env, ARM_FEATURE_V6)) {
set_feature(env, ARM_FEATURE_V5);
if (!arm_feature(env, ARM_FEATURE_M)) {
- assert(cpu_isar_feature(jazelle, cpu));
+ assert(no_aa32 || cpu_isar_feature(jazelle, cpu));
set_feature(env, ARM_FEATURE_AUXCR);
}
}
diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index 8e67799..b5eff79 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -3296,6 +3296,11 @@ static inline bool isar_feature_aa64_fp16(const ARMISARegisters *id)
return FIELD_EX64(id->id_aa64pfr0, ID_AA64PFR0, FP) == 1;
}
+static inline bool isar_feature_aa64_aa32(const ARMISARegisters *id)
+{
+ return FIELD_EX64(id->id_aa64pfr0, ID_AA64PFR0, EL0) >= 2;
+}
+
static inline bool isar_feature_aa64_sve(const ARMISARegisters *id)
{
return FIELD_EX64(id->id_aa64pfr0, ID_AA64PFR0, SVE) != 0;
diff --git a/tests/boot-serial-test.c b/tests/boot-serial-test.c
index f865822..8ec6aed 100644
--- a/tests/boot-serial-test.c
+++ b/tests/boot-serial-test.c
@@ -62,6 +62,24 @@ static const uint8_t kernel_aarch64[] = {
0xfd, 0xff, 0xff, 0x17, /* b -12 (loop) */
};
+static const uint8_t kernel_nrf51[] = {
+ 0x00, 0x00, 0x00, 0x00, /* Stack top address */
+ 0x09, 0x00, 0x00, 0x00, /* Reset handler address */
+ 0x04, 0x4a, /* ldr r2, [pc, #16] Get ENABLE */
+ 0x04, 0x21, /* movs r1, #4 */
+ 0x11, 0x60, /* str r1, [r2] */
+ 0x04, 0x4a, /* ldr r2, [pc, #16] Get STARTTX */
+ 0x01, 0x21, /* movs r1, #1 */
+ 0x11, 0x60, /* str r1, [r2] */
+ 0x03, 0x4a, /* ldr r2, [pc, #12] Get TXD */
+ 0x54, 0x21, /* movs r1, 'T' */
+ 0x11, 0x60, /* str r1, [r2] */
+ 0xfe, 0xe7, /* b . */
+ 0x00, 0x25, 0x00, 0x40, /* 0x40002500 = UART ENABLE */
+ 0x08, 0x20, 0x00, 0x40, /* 0x40002008 = UART STARTTX */
+ 0x1c, 0x25, 0x00, 0x40 /* 0x4000251c = UART TXD */
+};
+
typedef struct testdef {
const char *arch; /* Target architecture */
const char *machine; /* Name of the machine */
@@ -105,6 +123,7 @@ static testdef_t tests[] = {
{ "hppa", "hppa", "", "SeaBIOS wants SYSTEM HALT" },
{ "aarch64", "virt", "-cpu cortex-a57", "TT", sizeof(kernel_aarch64),
kernel_aarch64 },
+ { "arm", "microbit", "", "T", sizeof(kernel_nrf51), kernel_nrf51 },
{ NULL }
};
generated by cgit v1.1 at 2024-12-26 03:52:33 +0000