Emulated Emcraft's Smartfusion2 System On Module starter kit. Signed-off-by: Subbaraya Sundeep <sundeep.l...@gmail.com> --- default-configs/arm-softmmu.mak | 1 + hw/arm/Makefile.objs | 2 +- hw/arm/msf2_soc.c | 141 ++++++++++++++++++++++++++++++++++++++++ 3 files changed, 143 insertions(+), 1 deletion(-) create mode 100644 hw/arm/msf2_soc.c
diff --git a/default-configs/arm-softmmu.mak b/default-configs/arm-softmmu.mak index 1e3bd2b..379f7e1 100644 --- a/default-configs/arm-softmmu.mak +++ b/default-configs/arm-softmmu.mak @@ -121,3 +121,4 @@ CONFIG_ACPI=y CONFIG_SMBIOS=y CONFIG_ASPEED_SOC=y CONFIG_GPIO_KEY=y +CONFIG_MSF2=y diff --git a/hw/arm/Makefile.objs b/hw/arm/Makefile.objs index 4c5c4ee..cce2759 100644 --- a/hw/arm/Makefile.objs +++ b/hw/arm/Makefile.objs @@ -1,7 +1,7 @@ obj-y += boot.o collie.o exynos4_boards.o gumstix.o highbank.o obj-$(CONFIG_DIGIC) += digic_boards.o obj-y += integratorcp.o mainstone.o musicpal.o nseries.o -obj-y += omap_sx1.o palm.o realview.o spitz.o stellaris.o +obj-y += omap_sx1.o palm.o realview.o spitz.o stellaris.o msf2_soc.o obj-y += tosa.o versatilepb.o vexpress.o virt.o xilinx_zynq.o z2.o obj-$(CONFIG_ACPI) += virt-acpi-build.o obj-y += netduino2.o diff --git a/hw/arm/msf2_soc.c b/hw/arm/msf2_soc.c new file mode 100644 index 0000000..7277b51 --- /dev/null +++ b/hw/arm/msf2_soc.c @@ -0,0 +1,141 @@ +/* + * Smartfusion2 SOM starter kit(from Emcraft) emulation. + * + * Copyright (c) 2017 Subbaraya Sundeep <sundeep.l...@gmail.com> + * + * 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 "qapi/error.h" +#include "qemu-common.h" +#include "hw/arm/arm.h" +#include "exec/address-spaces.h" +#include "hw/sysbus.h" +#include "hw/char/serial.h" +#include "hw/boards.h" +#include "sysemu/block-backend.h" +#include "hw/ssi/ssi.h" + +#define MSF2_NUM_USARTS 1 +#define MSF2_NUM_TIMERS 2 + +#define ENVM_BASE_ADDRESS 0x60000000 +#define ENVM_SIZE (128 * 1024) + +#define DDR_BASE_ADDRESS 0xA0000000 +#define DDR_SIZE (64 * 1024 * 1024) + +#define SRAM_BASE_ADDRESS 0x20000000 +#define SRAM_SIZE (64 * 1024) + +#define MSF2_TIMER_BASE 0x40004000 +#define MSF2_UART0_BASE 0x40000000 +#define MSF2_SYSREG_BASE 0x40038000 +#define MSF2_SPI0_BASE 0x40001000 + +#define MSF2_SPI0_IRQ 2 +#define MSF2_UART0_IRQ 10 +#define MSF2_TIMER_IRQ0 14 +#define MSF2_TIMER_IRQ1 15 + +static void msf2_init(MachineState *machine) +{ + const char *kernel_filename = NULL; + DeviceState *dev, *nvic; + MemoryRegion *system_memory = get_system_memory(); + MemoryRegion *nvm = g_new(MemoryRegion, 1); + MemoryRegion *nvm_alias = g_new(MemoryRegion, 1); + MemoryRegion *sram = g_new(MemoryRegion, 1); + MemoryRegion *ddr = g_new(MemoryRegion, 1); + QemuOpts *machine_opts = qemu_get_machine_opts(); + SysBusDevice *busdev; + DriveInfo *dinfo = drive_get_next(IF_MTD); + qemu_irq cs_line; + SSIBus *spi; + + kernel_filename = qemu_opt_get(machine_opts, "kernel"); + + memory_region_init_ram(nvm, NULL, "MSF2.envm", ENVM_SIZE, + &error_fatal); + memory_region_init_alias(nvm_alias, NULL, "MSF2.flash.alias", + nvm, 0, ENVM_SIZE); + vmstate_register_ram_global(nvm); + + memory_region_set_readonly(nvm, true); + memory_region_set_readonly(nvm_alias, true); + + memory_region_add_subregion(system_memory, ENVM_BASE_ADDRESS, nvm); + memory_region_add_subregion(system_memory, 0, nvm_alias); + + memory_region_init_ram(ddr, NULL, "MSF2.ddr", DDR_SIZE, + &error_fatal); + vmstate_register_ram_global(ddr); + memory_region_add_subregion(system_memory, DDR_BASE_ADDRESS, ddr); + + memory_region_init_ram(sram, NULL, "MSF2.sram", SRAM_SIZE, + &error_fatal); + vmstate_register_ram_global(sram); + memory_region_add_subregion(system_memory, SRAM_BASE_ADDRESS, sram); + + nvic = armv7m_init(system_memory, ENVM_SIZE, 96, + kernel_filename, "cortex-m3"); + + if (serial_hds[0]) { + serial_mm_init(get_system_memory(), MSF2_UART0_BASE, 2, + qdev_get_gpio_in(nvic, MSF2_UART0_IRQ), + 115200, serial_hds[0], DEVICE_NATIVE_ENDIAN); + } + dev = qdev_create(NULL, "msf2-timer"); + qdev_prop_set_uint32(dev, "clock-frequency", 83 * 1000000); + qdev_init_nofail(dev); + sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, MSF2_TIMER_BASE); + sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, + qdev_get_gpio_in(nvic, MSF2_TIMER_IRQ0)); + sysbus_connect_irq(SYS_BUS_DEVICE(dev), 1, + qdev_get_gpio_in(nvic, MSF2_TIMER_IRQ1)); + + dev = qdev_create(NULL, "msf2-sysreg"); + qdev_init_nofail(dev); + sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, MSF2_SYSREG_BASE); + + dev = qdev_create(NULL, "msf2-spi"); + qdev_init_nofail(dev); + busdev = SYS_BUS_DEVICE(dev); + sysbus_mmio_map(busdev, 0, MSF2_SPI0_BASE); + sysbus_connect_irq(busdev, 0, qdev_get_gpio_in(nvic, MSF2_SPI0_IRQ)); + + spi = (SSIBus *)qdev_get_child_bus(dev, "spi"); + dev = ssi_create_slave_no_init(spi, "s25sl12801"); + qdev_prop_set_uint8(dev, "spansion-cr2nv", 1); + if (dinfo) + qdev_prop_set_drive(dev, "drive", blk_by_legacy_dinfo(dinfo), + &error_fatal); + qdev_init_nofail(dev); + cs_line = qdev_get_gpio_in_named(dev, SSI_GPIO_CS, 0); + sysbus_connect_irq(busdev, 1, cs_line); +} + +static void msf2_machine_init(MachineClass *mc) +{ + mc->desc = "SmartFusion2 SOM kit from Emcraft"; + mc->init = msf2_init; +} + +DEFINE_MACHINE("smartfusion2-som", msf2_machine_init) -- 2.5.0