diff options
author | Peter Maydell <peter.maydell@linaro.org> | 2015-03-11 16:30:33 +0000 |
---|---|---|
committer | Peter Maydell <peter.maydell@linaro.org> | 2015-03-11 16:30:33 +0000 |
commit | d598911b6f5e7bf7bafb63b8e1d074729e94aca7 (patch) | |
tree | 4adfbc7a7c32f771c3db8f603177efaa05c9ecca | |
parent | 165fa4091e97bfafbf394acb446623b92998175f (diff) | |
parent | 4f9950520a115acf9c0a209f0befa45758ad0215 (diff) |
Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20150311' into staging
target-arm queue:
* fix a bug in bitops.h
* implement SD card support on integratorcp
* add a missing 'compatible' property for Cortex-A57
* add Netduino 2 machine model
* fix command line parsing bug for CPU options with multiple CPUs
# gpg: Signature made Wed Mar 11 14:14:22 2015 GMT using RSA key ID 14360CDE
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>"
* remotes/pmaydell/tags/pull-target-arm-20150311:
bitops.h: sextract64() return type should be int64_t, not uint64_t
integrator/cp: Implement CARDIN and WPROT signals
integrator/cp: Model CP control registers as sysbus device
target-arm: Add missing compatible property to A57
netduino2: Add the Netduino 2 Machine
stm32f205: Add the stm32f205 SoC
stm32f2xx_SYSCFG: Add the stm32f2xx SYSCFG
stm32f2xx_USART: Add the stm32f2xx USART Controller
stm32f2xx_timer: Add the stm32f2xx Timer
hw/arm/virt: fix cmdline parsing bug with CPU options and smp > 1
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-rw-r--r-- | default-configs/arm-softmmu.mak | 4 | ||||
-rw-r--r-- | hw/arm/Makefile.objs | 2 | ||||
-rw-r--r-- | hw/arm/integratorcp.c | 95 | ||||
-rw-r--r-- | hw/arm/netduino2.c | 57 | ||||
-rw-r--r-- | hw/arm/stm32f205_soc.c | 160 | ||||
-rw-r--r-- | hw/arm/virt.c | 4 | ||||
-rw-r--r-- | hw/char/Makefile.objs | 1 | ||||
-rw-r--r-- | hw/char/stm32f2xx_usart.c | 229 | ||||
-rw-r--r-- | hw/misc/Makefile.objs | 1 | ||||
-rw-r--r-- | hw/misc/stm32f2xx_syscfg.c | 160 | ||||
-rw-r--r-- | hw/timer/Makefile.objs | 2 | ||||
-rw-r--r-- | hw/timer/stm32f2xx_timer.c | 328 | ||||
-rw-r--r-- | include/hw/arm/stm32f205_soc.h | 57 | ||||
-rw-r--r-- | include/hw/char/stm32f2xx_usart.h | 73 | ||||
-rw-r--r-- | include/hw/misc/stm32f2xx_syscfg.h | 61 | ||||
-rw-r--r-- | include/hw/timer/stm32f2xx_timer.h | 101 | ||||
-rw-r--r-- | include/qemu/bitops.h | 2 | ||||
-rw-r--r-- | target-arm/cpu64.c | 1 |
18 files changed, 1323 insertions, 15 deletions
diff --git a/default-configs/arm-softmmu.mak b/default-configs/arm-softmmu.mak index 149ae1b595..87d4e34d15 100644 --- a/default-configs/arm-softmmu.mak +++ b/default-configs/arm-softmmu.mak @@ -80,6 +80,10 @@ CONFIG_NSERIES=y CONFIG_REALVIEW=y CONFIG_ZAURUS=y CONFIG_ZYNQ=y +CONFIG_STM32F2XX_TIMER=y +CONFIG_STM32F2XX_USART=y +CONFIG_STM32F2XX_SYSCFG=y +CONFIG_STM32F205_SOC=y CONFIG_VERSATILE_PCI=y CONFIG_VERSATILE_I2C=y diff --git a/hw/arm/Makefile.objs b/hw/arm/Makefile.objs index 6088e53653..2577f68097 100644 --- a/hw/arm/Makefile.objs +++ b/hw/arm/Makefile.objs @@ -3,8 +3,10 @@ obj-$(CONFIG_DIGIC) += digic_boards.o obj-y += integratorcp.o kzm.o mainstone.o musicpal.o nseries.o obj-y += omap_sx1.o palm.o realview.o spitz.o stellaris.o obj-y += tosa.o versatilepb.o vexpress.o virt.o xilinx_zynq.o z2.o +obj-y += netduino2.o obj-y += armv7m.o exynos4210.o pxa2xx.o pxa2xx_gpio.o pxa2xx_pic.o obj-$(CONFIG_DIGIC) += digic.o obj-y += omap1.o omap2.o strongarm.o obj-$(CONFIG_ALLWINNER_A10) += allwinner-a10.o cubieboard.o +obj-$(CONFIG_STM32F205_SOC) += stm32f205_soc.o diff --git a/hw/arm/integratorcp.c b/hw/arm/integratorcp.c index 949ae1ed39..cb609cdbdf 100644 --- a/hw/arm/integratorcp.c +++ b/hw/arm/integratorcp.c @@ -406,16 +406,39 @@ static int icp_pic_init(SysBusDevice *sbd) /* CP control registers. */ +#define TYPE_ICP_CONTROL_REGS "icp-ctrl-regs" +#define ICP_CONTROL_REGS(obj) \ + OBJECT_CHECK(ICPCtrlRegsState, (obj), TYPE_ICP_CONTROL_REGS) + +typedef struct ICPCtrlRegsState { + /*< private >*/ + SysBusDevice parent_obj; + /*< public >*/ + + MemoryRegion iomem; + + qemu_irq mmc_irq; + uint32_t intreg_state; +} ICPCtrlRegsState; + +#define ICP_GPIO_MMC_WPROT "mmc-wprot" +#define ICP_GPIO_MMC_CARDIN "mmc-cardin" + +#define ICP_INTREG_WPROT (1 << 0) +#define ICP_INTREG_CARDIN (1 << 3) + static uint64_t icp_control_read(void *opaque, hwaddr offset, unsigned size) { + ICPCtrlRegsState *s = opaque; + switch (offset >> 2) { case 0: /* CP_IDFIELD */ return 0x41034003; case 1: /* CP_FLASHPROG */ return 0; case 2: /* CP_INTREG */ - return 0; + return s->intreg_state; case 3: /* CP_DECODE */ return 0x11; default: @@ -427,9 +450,14 @@ static uint64_t icp_control_read(void *opaque, hwaddr offset, static void icp_control_write(void *opaque, hwaddr offset, uint64_t value, unsigned size) { + ICPCtrlRegsState *s = opaque; + switch (offset >> 2) { - case 1: /* CP_FLASHPROG */ case 2: /* CP_INTREG */ + s->intreg_state &= ~(value & ICP_INTREG_CARDIN); + qemu_set_irq(s->mmc_irq, !!(s->intreg_state & ICP_INTREG_CARDIN)); + break; + case 1: /* CP_FLASHPROG */ case 3: /* CP_DECODE */ /* Nothing interesting implemented yet. */ break; @@ -444,15 +472,41 @@ static const MemoryRegionOps icp_control_ops = { .endianness = DEVICE_NATIVE_ENDIAN, }; -static void icp_control_init(hwaddr base) +static void icp_control_mmc_wprot(void *opaque, int line, int level) { - MemoryRegion *io; + ICPCtrlRegsState *s = opaque; - io = (MemoryRegion *)g_malloc0(sizeof(MemoryRegion)); - memory_region_init_io(io, NULL, &icp_control_ops, NULL, - "control", 0x00800000); - memory_region_add_subregion(get_system_memory(), base, io); - /* ??? Save/restore. */ + s->intreg_state &= ~ICP_INTREG_WPROT; + if (level) { + s->intreg_state |= ICP_INTREG_WPROT; + } +} + +static void icp_control_mmc_cardin(void *opaque, int line, int level) +{ + ICPCtrlRegsState *s = opaque; + + /* line is released by writing to CP_INTREG */ + if (level) { + s->intreg_state |= ICP_INTREG_CARDIN; + qemu_set_irq(s->mmc_irq, 1); + } +} + +static void icp_control_init(Object *obj) +{ + SysBusDevice *sbd = SYS_BUS_DEVICE(obj); + ICPCtrlRegsState *s = ICP_CONTROL_REGS(obj); + DeviceState *dev = DEVICE(obj); + + memory_region_init_io(&s->iomem, OBJECT(s), &icp_control_ops, s, + "icp_ctrl_regs", 0x00800000); + sysbus_init_mmio(sbd, &s->iomem); + + qdev_init_gpio_in_named(dev, icp_control_mmc_wprot, ICP_GPIO_MMC_WPROT, 1); + qdev_init_gpio_in_named(dev, icp_control_mmc_cardin, + ICP_GPIO_MMC_CARDIN, 1); + sysbus_init_irq(sbd, &s->mmc_irq); } @@ -477,7 +531,7 @@ static void integratorcp_init(MachineState *machine) MemoryRegion *ram = g_new(MemoryRegion, 1); MemoryRegion *ram_alias = g_new(MemoryRegion, 1); qemu_irq pic[32]; - DeviceState *dev; + DeviceState *dev, *sic, *icp; int i; Error *err = NULL; @@ -535,17 +589,24 @@ static void integratorcp_init(MachineState *machine) for (i = 0; i < 32; i++) { pic[i] = qdev_get_gpio_in(dev, i); } - sysbus_create_simple(TYPE_INTEGRATOR_PIC, 0xca000000, pic[26]); + sic = sysbus_create_simple(TYPE_INTEGRATOR_PIC, 0xca000000, pic[26]); sysbus_create_varargs("integrator_pit", 0x13000000, pic[5], pic[6], pic[7], NULL); sysbus_create_simple("pl031", 0x15000000, pic[8]); sysbus_create_simple("pl011", 0x16000000, pic[1]); sysbus_create_simple("pl011", 0x17000000, pic[2]); - icp_control_init(0xcb000000); + icp = sysbus_create_simple(TYPE_ICP_CONTROL_REGS, 0xcb000000, + qdev_get_gpio_in(sic, 3)); sysbus_create_simple("pl050_keyboard", 0x18000000, pic[3]); sysbus_create_simple("pl050_mouse", 0x19000000, pic[4]); sysbus_create_simple(TYPE_INTEGRATOR_DEBUG, 0x1a000000, 0); - sysbus_create_varargs("pl181", 0x1c000000, pic[23], pic[24], NULL); + + dev = sysbus_create_varargs("pl181", 0x1c000000, pic[23], pic[24], NULL); + qdev_connect_gpio_out(dev, 0, + qdev_get_gpio_in_named(icp, ICP_GPIO_MMC_WPROT, 0)); + qdev_connect_gpio_out(dev, 1, + qdev_get_gpio_in_named(icp, ICP_GPIO_MMC_CARDIN, 0)); + if (nd_table[0].used) smc91c111_init(&nd_table[0], 0xc8000000, pic[27]); @@ -606,10 +667,18 @@ static const TypeInfo icp_pic_info = { .class_init = icp_pic_class_init, }; +static const TypeInfo icp_ctrl_regs_info = { + .name = TYPE_ICP_CONTROL_REGS, + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(ICPCtrlRegsState), + .instance_init = icp_control_init, +}; + static void integratorcp_register_types(void) { type_register_static(&icp_pic_info); type_register_static(&core_info); + type_register_static(&icp_ctrl_regs_info); } type_init(integratorcp_register_types) diff --git a/hw/arm/netduino2.c b/hw/arm/netduino2.c new file mode 100644 index 0000000000..8f26780ef0 --- /dev/null +++ b/hw/arm/netduino2.c @@ -0,0 +1,57 @@ +/* + * Netduino 2 Machine Model + * + * Copyright (c) 2014 Alistair Francis <alistair@alistair23.me> + * + * 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/boards.h" +#include "qemu/error-report.h" +#include "hw/arm/stm32f205_soc.h" + +static void netduino2_init(MachineState *machine) +{ + DeviceState *dev; + Error *err = NULL; + + dev = qdev_create(NULL, TYPE_STM32F205_SOC); + if (machine->kernel_filename) { + qdev_prop_set_string(dev, "kernel-filename", machine->kernel_filename); + } + qdev_prop_set_string(dev, "cpu-model", "cortex-m3"); + object_property_set_bool(OBJECT(dev), true, "realized", &err); + if (err != NULL) { + error_report("%s", error_get_pretty(err)); + exit(1); + } +} + +static QEMUMachine netduino2_machine = { + .name = "netduino2", + .desc = "Netduino 2 Machine", + .init = netduino2_init, +}; + +static void netduino2_machine_init(void) +{ + qemu_register_machine(&netduino2_machine); +} + +machine_init(netduino2_machine_init); diff --git a/hw/arm/stm32f205_soc.c b/hw/arm/stm32f205_soc.c new file mode 100644 index 0000000000..0f3bdc77b6 --- /dev/null +++ b/hw/arm/stm32f205_soc.c @@ -0,0 +1,160 @@ +/* + * STM32F205 SoC + * + * Copyright (c) 2014 Alistair Francis <alistair@alistair23.me> + * + * 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/arm/arm.h" +#include "exec/address-spaces.h" +#include "hw/arm/stm32f205_soc.h" + +/* At the moment only Timer 2 to 5 are modelled */ +static const uint32_t timer_addr[STM_NUM_TIMERS] = { 0x40000000, 0x40000400, + 0x40000800, 0x40000C00 }; +static const uint32_t usart_addr[STM_NUM_USARTS] = { 0x40011000, 0x40004400, + 0x40004800, 0x40004C00, 0x40005000, 0x40011400 }; + +static const int timer_irq[STM_NUM_TIMERS] = {28, 29, 30, 50}; +static const int usart_irq[STM_NUM_USARTS] = {37, 38, 39, 52, 53, 71}; + +static void stm32f205_soc_initfn(Object *obj) +{ + STM32F205State *s = STM32F205_SOC(obj); + int i; + + object_initialize(&s->syscfg, sizeof(s->syscfg), TYPE_STM32F2XX_SYSCFG); + qdev_set_parent_bus(DEVICE(&s->syscfg), sysbus_get_default()); + + for (i = 0; i < STM_NUM_USARTS; i++) { + object_initialize(&s->usart[i], sizeof(s->usart[i]), + TYPE_STM32F2XX_USART); + qdev_set_parent_bus(DEVICE(&s->usart[i]), sysbus_get_default()); + } + + for (i = 0; i < STM_NUM_TIMERS; i++) { + object_initialize(&s->timer[i], sizeof(s->timer[i]), + TYPE_STM32F2XX_TIMER); + qdev_set_parent_bus(DEVICE(&s->timer[i]), sysbus_get_default()); + } +} + +static void stm32f205_soc_realize(DeviceState *dev_soc, Error **errp) +{ + STM32F205State *s = STM32F205_SOC(dev_soc); + DeviceState *syscfgdev, *usartdev, *timerdev; + SysBusDevice *syscfgbusdev, *usartbusdev, *timerbusdev; + qemu_irq *pic; + Error *err = NULL; + int i; + + MemoryRegion *system_memory = get_system_memory(); + MemoryRegion *sram = g_new(MemoryRegion, 1); + MemoryRegion *flash = g_new(MemoryRegion, 1); + MemoryRegion *flash_alias = g_new(MemoryRegion, 1); + + memory_region_init_ram(flash, NULL, "STM32F205.flash", FLASH_SIZE, + &error_abort); + memory_region_init_alias(flash_alias, NULL, "STM32F205.flash.alias", + flash, 0, FLASH_SIZE); + + vmstate_register_ram_global(flash); + + memory_region_set_readonly(flash, true); + memory_region_set_readonly(flash_alias, true); + + memory_region_add_subregion(system_memory, FLASH_BASE_ADDRESS, flash); + memory_region_add_subregion(system_memory, 0, flash_alias); + + memory_region_init_ram(sram, NULL, "STM32F205.sram", SRAM_SIZE, + &error_abort); + vmstate_register_ram_global(sram); + memory_region_add_subregion(system_memory, SRAM_BASE_ADDRESS, sram); + + pic = armv7m_init(get_system_memory(), FLASH_SIZE, 96, + s->kernel_filename, s->cpu_model); + + /* System configuration controller */ + syscfgdev = DEVICE(&s->syscfg); + object_property_set_bool(OBJECT(&s->syscfg), true, "realized", &err); + if (err != NULL) { + error_propagate(errp, err); + return; + } + syscfgbusdev = SYS_BUS_DEVICE(syscfgdev); + sysbus_mmio_map(syscfgbusdev, 0, 0x40013800); + sysbus_connect_irq(syscfgbusdev, 0, pic[71]); + + /* Attach UART (uses USART registers) and USART controllers */ + for (i = 0; i < STM_NUM_USARTS; i++) { + usartdev = DEVICE(&(s->usart[i])); + object_property_set_bool(OBJECT(&s->usart[i]), true, "realized", &err); + if (err != NULL) { + error_propagate(errp, err); + return; + } + usartbusdev = SYS_BUS_DEVICE(usartdev); + sysbus_mmio_map(usartbusdev, 0, usart_addr[i]); + sysbus_connect_irq(usartbusdev, 0, pic[usart_irq[i]]); + } + + /* Timer 2 to 5 */ + for (i = 0; i < STM_NUM_TIMERS; i++) { + timerdev = DEVICE(&(s->timer[i])); + qdev_prop_set_uint64(timerdev, "clock-frequency", 1000000000); + object_property_set_bool(OBJECT(&s->timer[i]), true, "realized", &err); + if (err != NULL) { + error_propagate(errp, err); + return; + } + timerbusdev = SYS_BUS_DEVICE(timerdev); + sysbus_mmio_map(timerbusdev, 0, timer_addr[i]); + sysbus_connect_irq(timerbusdev, 0, pic[timer_irq[i]]); + } +} + +static Property stm32f205_soc_properties[] = { + DEFINE_PROP_STRING("kernel-filename", STM32F205State, kernel_filename), + DEFINE_PROP_STRING("cpu-model", STM32F205State, cpu_model), + DEFINE_PROP_END_OF_LIST(), +}; + +static void stm32f205_soc_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + + dc->realize = stm32f205_soc_realize; + dc->props = stm32f205_soc_properties; +} + +static const TypeInfo stm32f205_soc_info = { + .name = TYPE_STM32F205_SOC, + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(STM32F205State), + .instance_init = stm32f205_soc_initfn, + .class_init = stm32f205_soc_class_init, +}; + +static void stm32f205_soc_types(void) +{ + type_register_static(&stm32f205_soc_info); +} + +type_init(stm32f205_soc_types) diff --git a/hw/arm/virt.c b/hw/arm/virt.c index 93b7605722..9072bc2b1c 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -758,6 +758,7 @@ static void machvirt_init(MachineState *machine) CPUClass *cc = CPU_CLASS(oc); Object *cpuobj; Error *err = NULL; + char *cpuopts = g_strdup(cpustr[1]); if (!oc) { fprintf(stderr, "Unable to find CPU definition\n"); @@ -766,7 +767,8 @@ static void machvirt_init(MachineState *machine) cpuobj = object_new(object_class_get_name(oc)); /* Handle any CPU options specified by the user */ - cc->parse_features(CPU(cpuobj), cpustr[1], &err); + cc->parse_features(CPU(cpuobj), cpuopts, &err); + g_free(cpuopts); if (err) { error_report("%s", error_get_pretty(err)); exit(1); diff --git a/hw/char/Makefile.objs b/hw/char/Makefile.objs index 317385d26f..5931cc8400 100644 --- a/hw/char/Makefile.objs +++ b/hw/char/Makefile.objs @@ -15,6 +15,7 @@ obj-$(CONFIG_OMAP) += omap_uart.o obj-$(CONFIG_SH4) += sh_serial.o obj-$(CONFIG_PSERIES) += spapr_vty.o obj-$(CONFIG_DIGIC) += digic-uart.o +obj-$(CONFIG_STM32F2XX_USART) += stm32f2xx_usart.o common-obj-$(CONFIG_ETRAXFS) += etraxfs_ser.o common-obj-$(CONFIG_ISA_DEBUG) += debugcon.o diff --git a/hw/char/stm32f2xx_usart.c b/hw/char/stm32f2xx_usart.c new file mode 100644 index 0000000000..260b053044 --- /dev/null +++ b/hw/char/stm32f2xx_usart.c @@ -0,0 +1,229 @@ +/* + * STM32F2XX USART + * + * Copyright (c) 2014 Alistair Francis <alistair@alistair23.me> + * + * 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/char/stm32f2xx_usart.h" + +#ifndef STM_USART_ERR_DEBUG +#define STM_USART_ERR_DEBUG 0 +#endif + +#define DB_PRINT_L(lvl, fmt, args...) do { \ + if (STM_USART_ERR_DEBUG >= lvl) { \ + qemu_log("%s: " fmt, __func__, ## args); \ + } \ +} while (0); + +#define DB_PRINT(fmt, args...) DB_PRINT_L(1, fmt, ## args) + +static int stm32f2xx_usart_can_receive(void *opaque) +{ + STM32F2XXUsartState *s = opaque; + + if (!(s->usart_sr & USART_SR_RXNE)) { + return 1; + } + + return 0; +} + +static void stm32f2xx_usart_receive(void *opaque, const uint8_t *buf, int size) +{ + STM32F2XXUsartState *s = opaque; + + s->usart_dr = *buf; + + if (!(s->usart_cr1 & USART_CR1_UE && s->usart_cr1 & USART_CR1_RE)) { + /* USART not enabled - drop the chars */ + DB_PRINT("Dropping the chars\n"); + return; + } + + s->usart_sr |= USART_SR_RXNE; + + if (s->usart_cr1 & USART_CR1_RXNEIE) { + qemu_set_irq(s->irq, 1); + } + + DB_PRINT("Receiving: %c\n", s->usart_dr); +} + +static void stm32f2xx_usart_reset(DeviceState *dev) +{ + STM32F2XXUsartState *s = STM32F2XX_USART(dev); + + s->usart_sr = USART_SR_RESET; + s->usart_dr = 0x00000000; + s->usart_brr = 0x00000000; + s->usart_cr1 = 0x00000000; + s->usart_cr2 = 0x00000000; + s->usart_cr3 = 0x00000000; + s->usart_gtpr = 0x00000000; + + qemu_set_irq(s->irq, 0); +} + +static uint64_t stm32f2xx_usart_read(void *opaque, hwaddr addr, + unsigned int size) +{ + STM32F2XXUsartState *s = opaque; + uint64_t retvalue; + + DB_PRINT("Read 0x%"HWADDR_PRIx"\n", addr); + + switch (addr) { + case USART_SR: + retvalue = s->usart_sr; + s->usart_sr &= ~USART_SR_TC; + if (s->chr) { + qemu_chr_accept_input(s->chr); + } + return retvalue; + case USART_DR: + DB_PRINT("Value: 0x%" PRIx32 ", %c\n", s->usart_dr, (char) s->usart_dr); + s->usart_sr |= USART_SR_TXE; + s->usart_sr &= ~USART_SR_RXNE; + if (s->chr) { + qemu_chr_accept_input(s->chr); + } + qemu_set_irq(s->irq, 0); + return s->usart_dr & 0x3FF; + case USART_BRR: + return s->usart_brr; + case USART_CR1: + return s->usart_cr1; + case USART_CR2: + return s->usart_cr2; + case USART_CR3: + return s->usart_cr3; + case USART_GTPR: + return s->usart_gtpr; + default: + qemu_log_mask(LOG_GUEST_ERROR, + "%s: Bad offset 0x%"HWADDR_PRIx"\n", __func__, addr); + return 0; + } + + return 0; +} + +static void stm32f2xx_usart_write(void *opaque, hwaddr addr, + uint64_t val64, unsigned int size) +{ + STM32F2XXUsartState *s = opaque; + uint32_t value = val64; + unsigned char ch; + + DB_PRINT("Write 0x%" PRIx32 ", 0x%"HWADDR_PRIx"\n", value, addr); + + switch (addr) { + case USART_SR: + if (value <= 0x3FF) { + s->usart_sr = value; + } else { + s->usart_sr &= value; + } + if (!(s->usart_sr & USART_SR_RXNE)) { + qemu_set_irq(s->irq, 0); + } + return; + case USART_DR: + if (value < 0xF000) { + ch = value; + if (s->chr) { + qemu_chr_fe_write_all(s->chr, &ch, 1); + } + s->usart_sr |= USART_SR_TC; + s->usart_sr &= ~USART_SR_TXE; + } + return; + case USART_BRR: + s->usart_brr = value; + return; + case USART_CR1: + s->usart_cr1 = value; + if (s->usart_cr1 & USART_CR1_RXNEIE && + s->usart_sr & USART_SR_RXNE) { + qemu_set_irq(s->irq, 1); + } + return; + case USART_CR2: + s->usart_cr2 = value; + return; + case USART_CR3: + s->usart_cr3 = value; + return; + case USART_GTPR: + s->usart_gtpr = value; + return; + default: + qemu_log_mask(LOG_GUEST_ERROR, + "%s: Bad offset 0x%"HWADDR_PRIx"\n", __func__, addr); + } +} + +static const MemoryRegionOps stm32f2xx_usart_ops = { + .read = stm32f2xx_usart_read, + .write = stm32f2xx_usart_write, + .endianness = DEVICE_NATIVE_ENDIAN, +}; + +static void stm32f2xx_usart_init(Object *obj) +{ + STM32F2XXUsartState *s = STM32F2XX_USART(obj); + + sysbus_init_irq(SYS_BUS_DEVICE(obj), &s->irq); + + memory_region_init_io(&s->mmio, obj, &stm32f2xx_usart_ops, s, + TYPE_STM32F2XX_USART, 0x2000); + sysbus_init_mmio(SYS_BUS_DEVICE(obj), &s->mmio); + + s->chr = qemu_char_get_next_serial(); + + if (s->chr) { + qemu_chr_add_handlers(s->chr, stm32f2xx_usart_can_receive, + stm32f2xx_usart_receive, NULL, s); + } +} + +static void stm32f2xx_usart_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + + dc->reset = stm32f2xx_usart_reset; +} + +static const TypeInfo stm32f2xx_usart_info = { + .name = TYPE_STM32F2XX_USART, + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(STM32F2XXUsartState), + .instance_init = stm32f2xx_usart_init, + .class_init = stm32f2xx_usart_class_init, +}; + +static void stm32f2xx_usart_register_types(void) +{ + type_register_static(&stm32f2xx_usart_info); +} + +type_init(stm32f2xx_usart_register_types) diff --git a/hw/misc/Makefile.objs b/hw/misc/Makefile.objs index 6c6e29681a..4aa76ffec9 100644 --- a/hw/misc/Makefile.objs +++ b/hw/misc/Makefile.objs @@ -36,6 +36,7 @@ obj-$(CONFIG_OMAP) += omap_sdrc.o obj-$(CONFIG_OMAP) += omap_tap.o obj-$(CONFIG_SLAVIO) += slavio_misc.o obj-$(CONFIG_ZYNQ) += zynq_slcr.o +obj-$(CONFIG_STM32F2XX_SYSCFG) += stm32f2xx_syscfg.o obj-$(CONFIG_PVPANIC) += pvpanic.o obj-$(CONFIG_EDU) += edu.o diff --git a/hw/misc/stm32f2xx_syscfg.c b/hw/misc/stm32f2xx_syscfg.c new file mode 100644 index 0000000000..4ae4042bf3 --- /dev/null +++ b/hw/misc/stm32f2xx_syscfg.c @@ -0,0 +1,160 @@ +/* + * STM32F2XX SYSCFG + * + * Copyright (c) 2014 Alistair Francis <alistair@alistair23.me> + * + * 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/misc/stm32f2xx_syscfg.h" + +#ifndef STM_SYSCFG_ERR_DEBUG +#define STM_SYSCFG_ERR_DEBUG 0 +#endif + +#define DB_PRINT_L(lvl, fmt, args...) do { \ + if (STM_SYSCFG_ERR_DEBUG >= lvl) { \ + qemu_log("%s: " fmt, __func__, ## args); \ + } \ +} while (0); + +#define DB_PRINT(fmt, args...) DB_PRINT_L(1, fmt, ## args) + +static void stm32f2xx_syscfg_reset(DeviceState *dev) +{ + STM32F2XXSyscfgState *s = STM32F2XX_SYSCFG(dev); + + s->syscfg_memrmp = 0x00000000; + s->syscfg_pmc = 0x00000000; + s->syscfg_exticr1 = 0x00000000; + s->syscfg_exticr2 = 0x00000000; + s->syscfg_exticr3 = 0x00000000; + s->syscfg_exticr4 = 0x00000000; + s->syscfg_cmpcr = 0x00000000; +} + +static uint64_t stm32f2xx_syscfg_read(void *opaque, hwaddr addr, + unsigned int size) +{ + STM32F2XXSyscfgState *s = opaque; + + DB_PRINT("0x%"HWADDR_PRIx"\n", addr); + + switch (addr) { + case SYSCFG_MEMRMP: + return s->syscfg_memrmp; + case SYSCFG_PMC: + return s->syscfg_pmc; + case SYSCFG_EXTICR1: + return s->syscfg_exticr1; + case SYSCFG_EXTICR2: + return s->syscfg_exticr2; + case SYSCFG_EXTICR3: + return s->syscfg_exticr3; + case SYSCFG_EXTICR4: + return s->syscfg_exticr4; + case SYSCFG_CMPCR: + return s->syscfg_cmpcr; + default: + qemu_log_mask(LOG_GUEST_ERROR, + "%s: Bad offset 0x%"HWADDR_PRIx"\n", __func__, addr); + return 0; + } + + return 0; +} + +static void stm32f2xx_syscfg_write(void *opaque, hwaddr addr, + uint64_t val64, unsigned int size) +{ + STM32F2XXSyscfgState *s = opaque; + uint32_t value = val64; + + DB_PRINT("0x%x, 0x%"HWADDR_PRIx"\n", value, addr); + + switch (addr) { + case SYSCFG_MEMRMP: + qemu_log_mask(LOG_UNIMP, + "%s: Changeing the memory mapping isn't supported " \ + "in QEMU\n", __func__); + return; + case SYSCFG_PMC: + qemu_log_mask(LOG_UNIMP, + "%s: Changeing the memory mapping isn't supported " \ + "in QEMU\n", __func__); + return; + case SYSCFG_EXTICR1: + s->syscfg_exticr1 = (value & 0xFFFF); + return; + case SYSCFG_EXTICR2: + s->syscfg_exticr2 = (value & 0xFFFF); + return; + case SYSCFG_EXTICR3: + s->syscfg_exticr3 = (value & 0xFFFF); + return; + case SYSCFG_EXTICR4: + s->syscfg_exticr4 = (value & 0xFFFF); + return; + case SYSCFG_CMPCR: + s->syscfg_cmpcr = value; + return; + default: + qemu_log_mask(LOG_GUEST_ERROR, + "%s: Bad offset 0x%"HWADDR_PRIx"\n", __func__, addr); + } +} + +static const MemoryRegionOps stm32f2xx_syscfg_ops = { + .read = stm32f2xx_syscfg_read, + .write = stm32f2xx_syscfg_write, + .endianness = DEVICE_NATIVE_ENDIAN, +}; + +static void stm32f2xx_syscfg_init(Object *obj) +{ + STM32F2XXSyscfgState *s = STM32F2XX_SYSCFG(obj); + + sysbus_init_irq(SYS_BUS_DEVICE(obj), &s->irq); + + memory_region_init_io(&s->mmio, obj, &stm32f2xx_syscfg_ops, s, + TYPE_STM32F2XX_SYSCFG, 0x400); + sysbus_init_mmio(SYS_BUS_DEVICE(obj), &s->mmio); +} + +static void stm32f2xx_syscfg_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + + dc->reset = stm32f2xx_syscfg_reset; +} + +static const TypeInfo stm32f2xx_syscfg_info = { + .name = TYPE_STM32F2XX_SYSCFG, + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(STM32F2XXSyscfgState), + .instance_init = stm32f2xx_syscfg_init, + .class_init = stm32f2xx_syscfg_class_init, +}; + +static void stm32f2xx_syscfg_register_types(void) +{ + type_register_static(&stm32f2xx_syscfg_info); +} + +type_init(stm32f2xx_syscfg_register_types) diff --git a/hw/timer/Makefile.objs b/hw/timer/Makefile.objs index 2c86c3d412..133bd0d455 100644 --- a/hw/timer/Makefile.objs +++ b/hw/timer/Makefile.objs @@ -31,3 +31,5 @@ obj-$(CONFIG_DIGIC) += digic-timer.o obj-$(CONFIG_MC146818RTC) += mc146818rtc.o obj-$(CONFIG_ALLWINNER_A10_PIT) += allwinner-a10-pit.o + +common-obj-$(CONFIG_STM32F2XX_TIMER) += stm32f2xx_timer.o diff --git a/hw/timer/stm32f2xx_timer.c b/hw/timer/stm32f2xx_timer.c new file mode 100644 index 0000000000..ecadf9df85 --- /dev/null +++ b/hw/timer/stm32f2xx_timer.c @@ -0,0 +1,328 @@ +/* + * STM32F2XX Timer + * + * Copyright (c) 2014 Alistair Francis <alistair@alistair23.me> + * + * 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/timer/stm32f2xx_timer.h" + +#ifndef STM_TIMER_ERR_DEBUG +#define STM_TIMER_ERR_DEBUG 0 +#endif + +#define DB_PRINT_L(lvl, fmt, args...) do { \ + if (STM_TIMER_ERR_DEBUG >= lvl) { \ + qemu_log("%s: " fmt, __func__, ## args); \ + } \ +} while (0); + +#define DB_PRINT(fmt, args...) DB_PRINT_L(1, fmt, ## args) + +static void stm32f2xx_timer_set_alarm(STM32F2XXTimerState *s, int64_t now); + +static void stm32f2xx_timer_interrupt(void *opaque) +{ + STM32F2XXTimerState *s = opaque; + + DB_PRINT("Interrupt\n"); + + if (s->tim_dier & TIM_DIER_UIE && s->tim_cr1 & TIM_CR1_CEN) { + s->tim_sr |= 1; + qemu_irq_pulse(s->irq); + stm32f2xx_timer_set_alarm(s, s->hit_time); + } +} + +static inline int64_t stm32f2xx_ns_to_ticks(STM32F2XXTimerState *s, int64_t t) +{ + return muldiv64(t, s->freq_hz, 1000000000ULL) / (s->tim_psc + 1); +} + +static void stm32f2xx_timer_set_alarm(STM32F2XXTimerState *s, int64_t now) +{ + uint64_t ticks; + int64_t now_ticks; + + if (s->tim_arr == 0) { + return; + } + + DB_PRINT("Alarm set at: 0x%x\n", s->tim_cr1); + + now_ticks = stm32f2xx_ns_to_ticks(s, now); + ticks = s->tim_arr - (now_ticks - s->tick_offset); + + DB_PRINT("Alarm set in %d ticks\n", (int) ticks); + + s->hit_time = muldiv64((ticks + (uint64_t) now_ticks) * (s->tim_psc + 1), + 1000000000ULL, s->freq_hz); + + timer_mod(s->timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + s->hit_time); + DB_PRINT("Wait Time: %" PRId64 " ticks\n", s->hit_time); +} + +static void stm32f2xx_timer_reset(DeviceState *dev) +{ + STM32F2XXTimerState *s = STM32F2XXTIMER(dev); + int64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); + + s->tim_cr1 = 0; + s->tim_cr2 = 0; + s->tim_smcr = 0; + s->tim_dier = 0; + s->tim_sr = 0; + s->tim_egr = 0; + s->tim_ccmr1 = 0; + s->tim_ccmr2 = 0; + s->tim_ccer = 0; + s->tim_psc = 0; + s->tim_arr = 0; + s->tim_ccr1 = 0; + s->tim_ccr2 = 0; + s->tim_ccr3 = 0; + s->tim_ccr4 = 0; + s->tim_dcr = 0; + s->tim_dmar = 0; + s->tim_or = 0; + + s->tick_offset = stm32f2xx_ns_to_ticks(s, now); +} + +static uint64_t stm32f2xx_timer_read(void *opaque, hwaddr offset, + unsigned size) +{ + STM32F2XXTimerState *s = opaque; + + DB_PRINT("Read 0x%"HWADDR_PRIx"\n", offset); + + switch (offset) { + case TIM_CR1: + return s->tim_cr1; + case TIM_CR2: + return s->tim_cr2; + case TIM_SMCR: + return s->tim_smcr; + case TIM_DIER: + return s->tim_dier; + case TIM_SR: + return s->tim_sr; + case TIM_EGR: + return s->tim_egr; + case TIM_CCMR1: + return s->tim_ccmr1; + case TIM_CCMR2: + return s->tim_ccmr2; + case TIM_CCER: + return s->tim_ccer; + case TIM_CNT: + return stm32f2xx_ns_to_ticks(s, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL)) - + s->tick_offset; + case TIM_PSC: + return s->tim_psc; + case TIM_ARR: + return s->tim_arr; + case TIM_CCR1: + return s->tim_ccr1; + case TIM_CCR2: + return s->tim_ccr2; + case TIM_CCR3: + return s->tim_ccr3; + case TIM_CCR4: + return s->tim_ccr4; + case TIM_DCR: + return s->tim_dcr; + case TIM_DMAR: + return s->tim_dmar; + case TIM_OR: + return s->tim_or; + default: + qemu_log_mask(LOG_GUEST_ERROR, + "%s: Bad offset 0x%"HWADDR_PRIx"\n", __func__, offset); + } + + return 0; +} + +static void stm32f2xx_timer_write(void *opaque, hwaddr offset, + uint64_t val64, unsigned size) +{ + STM32F2XXTimerState *s = opaque; + uint32_t value = val64; + int64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); + uint32_t timer_val = 0; + + DB_PRINT("Write 0x%x, 0x%"HWADDR_PRIx"\n", value, offset); + + switch (offset) { + case TIM_CR1: + s->tim_cr1 = value; + return; + case TIM_CR2: + s->tim_cr2 = value; + return; + case TIM_SMCR: + s->tim_smcr = value; + return; + case TIM_DIER: + s->tim_dier = value; + return; + case TIM_SR: + /* This is set by hardware and cleared by software */ + s->tim_sr &= value; + return; + case TIM_EGR: + s->tim_egr = value; + if (s->tim_egr & TIM_EGR_UG) { + timer_val = 0; + break; + } + return; + case TIM_CCMR1: + s->tim_ccmr1 = value; + return; + case TIM_CCMR2: + s->tim_ccmr2 = value; + return; + case TIM_CCER: + s->tim_ccer = value; + return; + case TIM_PSC: + timer_val = stm32f2xx_ns_to_ticks(s, now) - s->tick_offset; + s->tim_psc = value; + value = timer_val; + break; + case TIM_CNT: + timer_val = value; + break; + case TIM_ARR: + s->tim_arr = value; + stm32f2xx_timer_set_alarm(s, now); + return; + case TIM_CCR1: + s->tim_ccr1 = value; + return; + case TIM_CCR2: + s->tim_ccr2 = value; + return; + case TIM_CCR3: + s->tim_ccr3 = value; + return; + case TIM_CCR4: + s->tim_ccr4 = value; + return; + case TIM_DCR: + s->tim_dcr = value; + return; + case TIM_DMAR: + s->tim_dmar = value; + return; + case TIM_OR: + s->tim_or = value; + return; + default: + qemu_log_mask(LOG_GUEST_ERROR, + "%s: Bad offset 0x%"HWADDR_PRIx"\n", __func__, offset); + return; + } + + /* This means that a register write has affected the timer in a way that + * requires a refresh of both tick_offset and the alarm. + */ + s->tick_offset = stm32f2xx_ns_to_ticks(s, now) - timer_val; + stm32f2xx_timer_set_alarm(s, now); +} + +static const MemoryRegionOps stm32f2xx_timer_ops = { + .read = stm32f2xx_timer_read, + .write = stm32f2xx_timer_write, + .endianness = DEVICE_NATIVE_ENDIAN, +}; + +static const VMStateDescription vmstate_stm32f2xx_timer = { + .name = TYPE_STM32F2XX_TIMER, + .version_id = 1, + .minimum_version_id = 1, + .fields = (VMStateField[]) { + VMSTATE_INT64(tick_offset, STM32F2XXTimerState), + VMSTATE_UINT32(tim_cr1, STM32F2XXTimerState), + VMSTATE_UINT32(tim_cr2, STM32F2XXTimerState), + VMSTATE_UINT32(tim_smcr, STM32F2XXTimerState), + VMSTATE_UINT32(tim_dier, STM32F2XXTimerState), + VMSTATE_UINT32(tim_sr, STM32F2XXTimerState), + VMSTATE_UINT32(tim_egr, STM32F2XXTimerState), + VMSTATE_UINT32(tim_ccmr1, STM32F2XXTimerState), + VMSTATE_UINT32(tim_ccmr2, STM32F2XXTimerState), + VMSTATE_UINT32(tim_ccer, STM32F2XXTimerState), + VMSTATE_UINT32(tim_psc, STM32F2XXTimerState), + VMSTATE_UINT32(tim_arr, STM32F2XXTimerState), + VMSTATE_UINT32(tim_ccr1, STM32F2XXTimerState), + VMSTATE_UINT32(tim_ccr2, STM32F2XXTimerState), + VMSTATE_UINT32(tim_ccr3, STM32F2XXTimerState), + VMSTATE_UINT32(tim_ccr4, STM32F2XXTimerState), + VMSTATE_UINT32(tim_dcr, STM32F2XXTimerState), + VMSTATE_UINT32(tim_dmar, STM32F2XXTimerState), + VMSTATE_UINT32(tim_or, STM32F2XXTimerState), + VMSTATE_END_OF_LIST() + } +}; + +static Property stm32f2xx_timer_properties[] = { + DEFINE_PROP_UINT64("clock-frequency", struct STM32F2XXTimerState, + freq_hz, 1000000000), + DEFINE_PROP_END_OF_LIST(), +}; + +static void stm32f2xx_timer_init(Object *obj) +{ + STM32F2XXTimerState *s = STM32F2XXTIMER(obj); + + sysbus_init_irq(SYS_BUS_DEVICE(obj), &s->irq); + + memory_region_init_io(&s->iomem, obj, &stm32f2xx_timer_ops, s, + "stm32f2xx_timer", 0x4000); + sysbus_init_mmio(SYS_BUS_DEVICE(obj), &s->iomem); + + s->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, stm32f2xx_timer_interrupt, s); +} + +static void stm32f2xx_timer_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + + dc->reset = stm32f2xx_timer_reset; + dc->props = stm32f2xx_timer_properties; + dc->vmsd = &vmstate_stm32f2xx_timer; +} + +static const TypeInfo stm32f2xx_timer_info = { + .name = TYPE_STM32F2XX_TIMER, + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(STM32F2XXTimerState), + .instance_init = stm32f2xx_timer_init, + .class_init = stm32f2xx_timer_class_init, +}; + +static void stm32f2xx_timer_register_types(void) +{ + type_register_static(&stm32f2xx_timer_info); +} + +type_init(stm32f2xx_timer_register_types) diff --git a/include/hw/arm/stm32f205_soc.h b/include/hw/arm/stm32f205_soc.h new file mode 100644 index 0000000000..3cda17018d --- /dev/null +++ b/include/hw/arm/stm32f205_soc.h @@ -0,0 +1,57 @@ +/* + * STM32F205 SoC + * + * Copyright (c) 2014 Alistair Francis <alistair@alistair23.me> + * + * 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. + */ + +#ifndef HW_ARM_STM32F205SOC_H +#define HW_ARM_STM32F205SOC_H + +#include "hw/misc/stm32f2xx_syscfg.h" +#include "hw/timer/stm32f2xx_timer.h" +#include "hw/char/stm32f2xx_usart.h" + +#define TYPE_STM32F205_SOC "stm32f205_soc" +#define STM32F205_SOC(obj) \ + OBJECT_CHECK(STM32F205State, (obj), TYPE_STM32F205_SOC) + +#define STM_NUM_USARTS 6 +#define STM_NUM_TIMERS 4 + +#define FLASH_BASE_ADDRESS 0x08000000 +#define FLASH_SIZE (1024 * 1024) +#define SRAM_BASE_ADDRESS 0x20000000 +#define SRAM_SIZE (128 * 1024) + +typedef struct STM32F205State { + /*< private >*/ + SysBusDevice parent_obj; + /*< public >*/ + + char *kernel_filename; + char *cpu_model; + + STM32F2XXSyscfgState syscfg; + STM32F2XXUsartState usart[STM_NUM_USARTS]; + STM32F2XXTimerState timer[STM_NUM_TIMERS]; +} STM32F205State; + +#endif diff --git a/include/hw/char/stm32f2xx_usart.h b/include/hw/char/stm32f2xx_usart.h new file mode 100644 index 0000000000..b97f192a45 --- /dev/null +++ b/include/hw/char/stm32f2xx_usart.h @@ -0,0 +1,73 @@ +/* + * STM32F2XX USART + * + * Copyright (c) 2014 Alistair Francis <alistair@alistair23.me> + * + * 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. + */ + +#ifndef HW_STM32F2XX_USART_H +#define HW_STM32F2XX_USART_H + +#include "hw/sysbus.h" +#include "sysemu/char.h" +#include "hw/hw.h" + +#define USART_SR 0x00 +#define USART_DR 0x04 +#define USART_BRR 0x08 +#define USART_CR1 0x0C +#define USART_CR2 0x10 +#define USART_CR3 0x14 +#define USART_GTPR 0x18 + +#define USART_SR_RESET 0x00C00000 + +#define USART_SR_TXE (1 << 7) +#define USART_SR_TC (1 << 6) +#define USART_SR_RXNE (1 << 5) + +#define USART_CR1_UE (1 << 13) +#define USART_CR1_RXNEIE (1 << 5) +#define USART_CR1_TE (1 << 3) +#define USART_CR1_RE (1 << 2) + +#define TYPE_STM32F2XX_USART "stm32f2xx-usart" +#define STM32F2XX_USART(obj) \ + OBJECT_CHECK(STM32F2XXUsartState, (obj), TYPE_STM32F2XX_USART) + +typedef struct { + /* <private> */ + SysBusDevice parent_obj; + + /* <public> */ + MemoryRegion mmio; + + uint32_t usart_sr; + uint32_t usart_dr; + uint32_t usart_brr; + uint32_t usart_cr1; + uint32_t usart_cr2; + uint32_t usart_cr3; + uint32_t usart_gtpr; + + CharDriverState *chr; + qemu_irq irq; +} STM32F2XXUsartState; +#endif /* HW_STM32F2XX_USART_H */ diff --git a/include/hw/misc/stm32f2xx_syscfg.h b/include/hw/misc/stm32f2xx_syscfg.h new file mode 100644 index 0000000000..69e6a30fc5 --- /dev/null +++ b/include/hw/misc/stm32f2xx_syscfg.h @@ -0,0 +1,61 @@ +/* + * STM32F2XX SYSCFG + * + * Copyright (c) 2014 Alistair Francis <alistair@alistair23.me> + * + * 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. + */ + +#ifndef HW_STM32F2XX_SYSCFG_H +#define HW_STM32F2XX_SYSCFG_H + +#include "hw/sysbus.h" +#include "hw/hw.h" + +#define SYSCFG_MEMRMP 0x00 +#define SYSCFG_PMC 0x04 +#define SYSCFG_EXTICR1 0x08 +#define SYSCFG_EXTICR2 0x0C +#define SYSCFG_EXTICR3 0x10 +#define SYSCFG_EXTICR4 0x14 +#define SYSCFG_CMPCR 0x20 + +#define TYPE_STM32F2XX_SYSCFG "stm32f2xx-syscfg" +#define STM32F2XX_SYSCFG(obj) \ + OBJECT_CHECK(STM32F2XXSyscfgState, (obj), TYPE_STM32F2XX_SYSCFG) + +typedef struct { + /* <private> */ + SysBusDevice parent_obj; + + /* <public> */ + MemoryRegion mmio; + + uint32_t syscfg_memrmp; + uint32_t syscfg_pmc; + uint32_t syscfg_exticr1; + uint32_t syscfg_exticr2; + uint32_t syscfg_exticr3; + uint32_t syscfg_exticr4; + uint32_t syscfg_cmpcr; + + qemu_irq irq; +} STM32F2XXSyscfgState; + +#endif /* HW_STM32F2XX_SYSCFG_H */ diff --git a/include/hw/timer/stm32f2xx_timer.h b/include/hw/timer/stm32f2xx_timer.h new file mode 100644 index 0000000000..e6a83237a5 --- /dev/null +++ b/include/hw/timer/stm32f2xx_timer.h @@ -0,0 +1,101 @@ +/* + * STM32F2XX Timer + * + * Copyright (c) 2014 Alistair Francis <alistair@alistair23.me> + * + * 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. + */ + +#ifndef HW_STM32F2XX_TIMER_H +#define HW_STM32F2XX_TIMER_H + +#include "hw/sysbus.h" +#include "qemu/timer.h" +#include "sysemu/sysemu.h" + +#define TIM_CR1 0x00 +#define TIM_CR2 0x04 +#define TIM_SMCR 0x08 +#define TIM_DIER 0x0C +#define TIM_SR 0x10 +#define TIM_EGR 0x14 +#define TIM_CCMR1 0x18 +#define TIM_CCMR2 0x1C +#define TIM_CCER 0x20 +#define TIM_CNT 0x24 +#define TIM_PSC 0x28 +#define TIM_ARR 0x2C +#define TIM_CCR1 0x34 +#define TIM_CCR2 0x38 +#define TIM_CCR3 0x3C +#define TIM_CCR4 0x40 +#define TIM_DCR 0x48 +#define TIM_DMAR 0x4C +#define TIM_OR 0x50 + +#define TIM_CR1_CEN 1 + +#define TIM_EGR_UG 1 + +#define TIM_CCER_CC2E (1 << 4) +#define TIM_CCMR1_OC2M2 (1 << 14) +#define TIM_CCMR1_OC2M1 (1 << 13) +#define TIM_CCMR1_OC2M0 (1 << 12) +#define TIM_CCMR1_OC2PE (1 << 11) + +#define TIM_DIER_UIE 1 + +#define TYPE_STM32F2XX_TIMER "stm32f2xx-timer" +#define STM32F2XXTIMER(obj) OBJECT_CHECK(STM32F2XXTimerState, \ + (obj), TYPE_STM32F2XX_TIMER) + +typedef struct STM32F2XXTimerState { + /* <private> */ + SysBusDevice parent_obj; + + /* <public> */ + MemoryRegion iomem; + QEMUTimer *timer; + qemu_irq irq; + + int64_t tick_offset; + uint64_t hit_time; + uint64_t freq_hz; + + uint32_t tim_cr1; + uint32_t tim_cr2; + uint32_t tim_smcr; + uint32_t tim_dier; + uint32_t tim_sr; + uint32_t tim_egr; + uint32_t tim_ccmr1; + uint32_t tim_ccmr2; + uint32_t tim_ccer; + uint32_t tim_psc; + uint32_t tim_arr; + uint32_t tim_ccr1; + uint32_t tim_ccr2; + uint32_t tim_ccr3; + uint32_t tim_ccr4; + uint32_t tim_dcr; + uint32_t tim_dmar; + uint32_t tim_or; +} STM32F2XXTimerState; + +#endif /* HW_STM32F2XX_TIMER_H */ diff --git a/include/qemu/bitops.h b/include/qemu/bitops.h index 181bd46063..90ca8df4e2 100644 --- a/include/qemu/bitops.h +++ b/include/qemu/bitops.h @@ -354,7 +354,7 @@ static inline int32_t sextract32(uint32_t value, int start, int length) * Returns: the sign extended value of the bit field extracted from the * input value. */ -static inline uint64_t sextract64(uint64_t value, int start, int length) +static inline int64_t sextract64(uint64_t value, int start, int length) { assert(start >= 0 && length > 0 && length <= 64 - start); /* Note that this implementation relies on right shift of signed diff --git a/target-arm/cpu64.c b/target-arm/cpu64.c index 823c739f08..270bc2fec7 100644 --- a/target-arm/cpu64.c +++ b/target-arm/cpu64.c @@ -96,6 +96,7 @@ static void aarch64_a57_initfn(Object *obj) { ARMCPU *cpu = ARM_CPU(obj); + cpu->dtb_compatible = "arm,cortex-a57"; set_feature(&cpu->env, ARM_FEATURE_V8); set_feature(&cpu->env, ARM_FEATURE_VFP4); set_feature(&cpu->env, ARM_FEATURE_NEON); |