Bip

.gitignore

@@ -161,3 +161,7 @@ trace-dtrace-root.dtrace
 trace-ust-all.h
 trace-ust-all.c
 /target/arm/decode-sve.inc.c
+storage-daemon/
+qemu-storage-daemon
+roms
+/build

CMakeLists.txt

@@ -0,0 +1,15 @@
+cmake_minimum_required(VERSION 3.3)
+project(qemu_dev)
+
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
+
+file(GLOB_RECURSE src "*.c" "*.h")
+
+set(SOURCES ${src})
+add_executable(qemu_dev  ${SOURCES} )
+target_include_directories(qemu_dev PUBLIC "include" "target/arm" "")
+
+add_custom_target(qemu ALL
+        make -j4
+        WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/build"
+        )

hw/arm/Makefile.objs

@@ -54,3 +54,16 @@ obj-$(CONFIG_FSL_IMX7) += fsl-imx7.o mcimx7d-sabre.o
 obj-$(CONFIG_ARM_SMMUV3) += smmu-common.o smmuv3.o
 obj-$(CONFIG_FSL_IMX6UL) += fsl-imx6ul.o mcimx6ul-evk.o
 obj-$(CONFIG_NRF51_SOC) += nrf51_soc.o
+obj-y += amazfit.o
+obj-y += stm32l467_soc.o
+obj-y += stm32l476_flash.o
+obj-y += stm32l476_lptim.o
+obj-y += stm32l476_pwr.o
+obj-y += stm32l476_rcc.o
+obj-y += stm32l476_dma.o
+obj-y += stm32l476_spi.o
+obj-y += stm32l476_qspi.o
+obj-y += stm32l476_gpio.o
+obj-y += stm32l476_syscfg.o
+obj-y += stm32l476_i2c.o
+obj-y += it7259.o

hw/arm/amazfit.c

@@ -0,0 +1,57 @@
+
+#include "qemu/osdep.h"
+#include "qapi/error.h"
+#include "hw/boards.h"
+#include "hw/qdev-properties.h"
+#include "hw/arm/stm32l467_soc.h"
+#include "hw/arm/boot.h"
+#include "hw/loader.h"
+#include "hw/ssi/ssi.h"
+#include "hw/i2c/i2c.h"
+
+static uint32_t readu32(hwaddr addr) {
+    uint32_t ret;
+    ARMCPU *cpu = ARM_CPU(first_cpu);
+    cpu_memory_rw_debug(cpu, addr, &ret, 4, false);
+
+    return ret;
+}
+
+static void bip_init(MachineState *machine) {
+
+    STM32L467State *dev = STM32L467_SOC(qdev_create(NULL, TYPE_STM32L467_SOC));
+    object_property_set_bool(OBJECT(dev), true, "realized", &error_fatal);
+
+    SSIBus* spi_bus = (SSIBus *)qdev_get_child_bus(&dev->spi[2], "ssi"); // SPI3
+    DeviceState * display = ssi_create_slave_no_init(spi_bus, "jdi-lpm013m126c");
+    qdev_init_nofail(display);
+
+    /* --- QSPI Flash ---------------------------------------------  */
+    SSIBus * qspi = (SSIBus *)qdev_get_child_bus(&dev->qspi, "qspi");
+    DeviceState *qspi_flash = ssi_create_slave_no_init(qspi, "w25q64fw");
+
+    DriveInfo *dinfo = drive_get(IF_MTD, 0, 0);
+    BlockBackend *blk = dinfo ? blk_by_legacy_dinfo(dinfo) : NULL;
+    qdev_prop_set_drive(qspi_flash, "drive", blk, &error_fatal);
+    qdev_init_nofail(qspi_flash);
+
+    qemu_irq mx25u_cs = qdev_get_gpio_in_named(qspi_flash, SSI_GPIO_CS, 0);
+    sysbus_connect_irq(SYS_BUS_DEVICE(&dev->qspi), 1, mx25u_cs);
+
+    load_image_targphys("/Users/Marijn/Downloads/bip/image.bin",
+//    load_image_targphys("/Users/Marijn/Projects/_pebble/Amazfitbip-FreeRTOS/bin/lcd_test.bin",
+                        0,
+                        FLASH_SIZE);
+
+    I2CBus *i2c = (I2CBus *) qdev_get_child_bus(&dev->i2c[0], "i2c");
+    i2c_create_slave(i2c, "it7259", 0x46);
+
+    armv7m_load_kernel(ARM_CPU(first_cpu), NULL, 0);
+}
+
+static void bip_machine_init(MachineClass *mc) {
+    mc->desc = "Amazfit Bip";
+    mc->init = bip_init;
+}
+
+DEFINE_MACHINE("amazfitbip", bip_machine_init)

hw/arm/it7259.c

@@ -0,0 +1,74 @@
+#include "qemu/osdep.h"
+#include "hw/i2c/i2c.h"
+#include "hw/irq.h"
+#include "migration/vmstate.h"
+#include "qemu/module.h"
+#include "qemu/timer.h"
+#include "ui/console.h"
+
+#define TYPE_IT7259 "it7259"
+#define IT7259(obj) OBJECT_CHECK(IT7259State, (obj), TYPE_IT7259)
+
+typedef struct
+{
+    I2CSlave parent_obj;
+
+} IT7259State;
+
+static int
+it7259_event(I2CSlave *i2c, enum i2c_event event)
+{
+    IT7259State *s = IT7259(i2c);
+
+    return 0;
+}
+
+static uint8_t
+it7259_rx(I2CSlave *i2c)
+{
+    IT7259State *s = IT7259(i2c);
+
+    return 0;
+}
+
+static int
+it7259_tx(I2CSlave *i2c, uint8_t data)
+{
+    IT7259State *s = IT7259(i2c);
+    printf("I2C: 0x%02X\n", data);
+
+    return 0;
+}
+
+static void
+it7259_realize(DeviceState *dev, Error **errp)
+{
+    IT7259State *s = IT7259(dev);
+}
+
+static void
+it7259_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+    I2CSlaveClass *k = I2C_SLAVE_CLASS(klass);
+
+    dc->realize = it7259_realize;
+    k->event = it7259_event;
+    k->recv = it7259_rx;
+    k->send = it7259_tx;
+}
+
+static const TypeInfo it7259_info = {
+    .name          = TYPE_IT7259,
+    .parent        = TYPE_I2C_SLAVE,
+    .instance_size = sizeof(IT7259State),
+    .class_init    = it7259_class_init,
+};
+
+static void
+it7259_register_types(void)
+{
+    type_register_static(&it7259_info);
+}
+
+type_init(it7259_register_types)