diff options
author | Jean-Christophe Dubois <jcd@tribudubois.net> | 2015-09-07 10:39:30 +0100 |
---|---|---|
committer | Peter Maydell <peter.maydell@linaro.org> | 2015-09-07 10:39:30 +0100 |
commit | 558df83db778dc2e839353357a508349b180d79b (patch) | |
tree | 25f3de459c5de4917b3d51adad7359b1ce73c2b9 /hw/arm | |
parent | 771842585f3119f69641ed90a97d56eb9ed6f5ae (diff) |
i.MX: Add SOC support for i.MX31
For now we support the following devices:
* CPU: ARM1136
* Interrupt Controller: AVIC
* CCM
* UART x 2
* EPIT x 2
* GPT
Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Message-id: f146d819594e41568daec42a1d0f440cdfe3df76.1441057361.git.jcd@tribudubois.net
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/arm')
-rw-r--r-- | hw/arm/Makefile.objs | 3 | ||||
-rw-r--r-- | hw/arm/fsl-imx31.c | 216 |
2 files changed, 218 insertions, 1 deletions
diff --git a/hw/arm/Makefile.objs b/hw/arm/Makefile.objs index cf346c1d0a..2fbe344149 100644 --- a/hw/arm/Makefile.objs +++ b/hw/arm/Makefile.objs @@ -1,6 +1,6 @@ obj-y += boot.o collie.o exynos4_boards.o gumstix.o highbank.o obj-$(CONFIG_DIGIC) += digic_boards.o -obj-y += integratorcp.o kzm.o mainstone.o musicpal.o nseries.o +obj-y += integratorcp.o mainstone.o musicpal.o nseries.o obj-y += omap_sx1.o palm.o realview.o spitz.o stellaris.o obj-y += tosa.o versatilepb.o vexpress.o virt.o xilinx_zynq.o z2.o obj-$(CONFIG_ACPI) += virt-acpi-build.o @@ -13,3 +13,4 @@ obj-y += omap1.o omap2.o strongarm.o obj-$(CONFIG_ALLWINNER_A10) += allwinner-a10.o cubieboard.o obj-$(CONFIG_STM32F205_SOC) += stm32f205_soc.o obj-$(CONFIG_XLNX_ZYNQMP) += xlnx-zynqmp.o xlnx-ep108.o +obj-$(CONFIG_FSL_IMX31) += fsl-imx31.o kzm.o diff --git a/hw/arm/fsl-imx31.c b/hw/arm/fsl-imx31.c new file mode 100644 index 0000000000..1681ecf81a --- /dev/null +++ b/hw/arm/fsl-imx31.c @@ -0,0 +1,216 @@ +/* + * Copyright (c) 2013 Jean-Christophe Dubois <jcd@tribudubois.net> + * + * i.MX31 SOC emulation. + * + * Based on hw/arm/fsl-imx31.c + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, see <http://www.gnu.org/licenses/>. + */ + +#include "hw/arm/fsl-imx31.h" +#include "sysemu/sysemu.h" +#include "exec/address-spaces.h" +#include "hw/boards.h" +#include "sysemu/char.h" + +static void fsl_imx31_init(Object *obj) +{ + FslIMX31State *s = FSL_IMX31(obj); + int i; + + object_initialize(&s->cpu, sizeof(s->cpu), "arm1136-" TYPE_ARM_CPU); + + object_initialize(&s->avic, sizeof(s->avic), TYPE_IMX_AVIC); + qdev_set_parent_bus(DEVICE(&s->avic), sysbus_get_default()); + + object_initialize(&s->ccm, sizeof(s->ccm), TYPE_IMX_CCM); + qdev_set_parent_bus(DEVICE(&s->ccm), sysbus_get_default()); + + for (i = 0; i < FSL_IMX31_NUM_UARTS; i++) { + object_initialize(&s->uart[i], sizeof(s->uart[i]), TYPE_IMX_SERIAL); + qdev_set_parent_bus(DEVICE(&s->uart[i]), sysbus_get_default()); + } + + object_initialize(&s->gpt, sizeof(s->gpt), TYPE_IMX_GPT); + qdev_set_parent_bus(DEVICE(&s->gpt), sysbus_get_default()); + + for (i = 0; i < FSL_IMX31_NUM_EPITS; i++) { + object_initialize(&s->epit[i], sizeof(s->epit[i]), TYPE_IMX_EPIT); + qdev_set_parent_bus(DEVICE(&s->epit[i]), sysbus_get_default()); + } +} + +static void fsl_imx31_realize(DeviceState *dev, Error **errp) +{ + FslIMX31State *s = FSL_IMX31(dev); + uint16_t i; + Error *err = NULL; + + object_property_set_bool(OBJECT(&s->cpu), true, "realized", &err); + if (err) { + error_propagate(errp, err); + return; + } + + object_property_set_bool(OBJECT(&s->avic), true, "realized", &err); + if (err) { + error_propagate(errp, err); + return; + } + sysbus_mmio_map(SYS_BUS_DEVICE(&s->avic), 0, FSL_IMX31_AVIC_ADDR); + sysbus_connect_irq(SYS_BUS_DEVICE(&s->avic), 0, + qdev_get_gpio_in(DEVICE(&s->cpu), ARM_CPU_IRQ)); + sysbus_connect_irq(SYS_BUS_DEVICE(&s->avic), 1, + qdev_get_gpio_in(DEVICE(&s->cpu), ARM_CPU_FIQ)); + + object_property_set_bool(OBJECT(&s->ccm), true, "realized", &err); + if (err) { + error_propagate(errp, err); + return; + } + sysbus_mmio_map(SYS_BUS_DEVICE(&s->ccm), 0, FSL_IMX31_CCM_ADDR); + + /* Initialize all UARTS */ + for (i = 0; i < FSL_IMX31_NUM_UARTS; i++) { + static const struct { + hwaddr addr; + unsigned int irq; + } serial_table[FSL_IMX31_NUM_UARTS] = { + { FSL_IMX31_UART1_ADDR, FSL_IMX31_UART1_IRQ }, + { FSL_IMX31_UART2_ADDR, FSL_IMX31_UART2_IRQ }, + }; + + if (i < MAX_SERIAL_PORTS) { + CharDriverState *chr; + + chr = serial_hds[i]; + + if (!chr) { + char label[20]; + snprintf(label, sizeof(label), "imx31.uart%d", i); + chr = qemu_chr_new(label, "null", NULL); + } + + qdev_prop_set_chr(DEVICE(&s->uart[i]), "chardev", chr); + } + + object_property_set_bool(OBJECT(&s->uart[i]), true, "realized", &err); + if (err) { + error_propagate(errp, err); + return; + } + + sysbus_mmio_map(SYS_BUS_DEVICE(&s->uart[i]), 0, serial_table[i].addr); + sysbus_connect_irq(SYS_BUS_DEVICE(&s->uart[i]), 0, + qdev_get_gpio_in(DEVICE(&s->avic), + serial_table[i].irq)); + } + + s->gpt.ccm = DEVICE(&s->ccm); + + object_property_set_bool(OBJECT(&s->gpt), true, "realized", &err); + if (err) { + error_propagate(errp, err); + return; + } + + sysbus_mmio_map(SYS_BUS_DEVICE(&s->gpt), 0, FSL_IMX31_GPT_ADDR); + sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpt), 0, + qdev_get_gpio_in(DEVICE(&s->avic), FSL_IMX31_GPT_IRQ)); + + /* Initialize all EPIT timers */ + for (i = 0; i < FSL_IMX31_NUM_EPITS; i++) { + static const struct { + hwaddr addr; + unsigned int irq; + } epit_table[FSL_IMX31_NUM_EPITS] = { + { FSL_IMX31_EPIT1_ADDR, FSL_IMX31_EPIT1_IRQ }, + { FSL_IMX31_EPIT2_ADDR, FSL_IMX31_EPIT2_IRQ }, + }; + + s->epit[i].ccm = DEVICE(&s->ccm); + + object_property_set_bool(OBJECT(&s->epit[i]), true, "realized", &err); + if (err) { + error_propagate(errp, err); + return; + } + + sysbus_mmio_map(SYS_BUS_DEVICE(&s->epit[i]), 0, epit_table[i].addr); + sysbus_connect_irq(SYS_BUS_DEVICE(&s->epit[i]), 0, + qdev_get_gpio_in(DEVICE(&s->avic), + epit_table[i].irq)); + } + + /* On a real system, the first 16k is a `secure boot rom' */ + memory_region_init_rom_device(&s->secure_rom, NULL, NULL, NULL, + "imx31.secure_rom", + FSL_IMX31_SECURE_ROM_SIZE, &err); + if (err) { + error_propagate(errp, err); + return; + } + memory_region_add_subregion(get_system_memory(), FSL_IMX31_SECURE_ROM_ADDR, + &s->secure_rom); + + /* There is also a 16k ROM */ + memory_region_init_rom_device(&s->rom, NULL, NULL, NULL, "imx31.rom", + FSL_IMX31_ROM_SIZE, &err); + if (err) { + error_propagate(errp, err); + return; + } + memory_region_add_subregion(get_system_memory(), FSL_IMX31_ROM_ADDR, + &s->rom); + + /* initialize internal RAM (16 KB) */ + memory_region_init_ram(&s->iram, NULL, "imx31.iram", FSL_IMX31_IRAM_SIZE, + &err); + if (err) { + error_propagate(errp, err); + return; + } + memory_region_add_subregion(get_system_memory(), FSL_IMX31_IRAM_ADDR, + &s->iram); + vmstate_register_ram_global(&s->iram); + + /* internal RAM (16 KB) is aliased over 256 MB - 16 KB */ + memory_region_init_alias(&s->iram_alias, NULL, "imx31.iram_alias", + &s->iram, 0, FSL_IMX31_IRAM_ALIAS_SIZE); + memory_region_add_subregion(get_system_memory(), FSL_IMX31_IRAM_ALIAS_ADDR, + &s->iram_alias); +} + +static void fsl_imx31_class_init(ObjectClass *oc, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(oc); + + dc->realize = fsl_imx31_realize; +} + +static const TypeInfo fsl_imx31_type_info = { + .name = TYPE_FSL_IMX31, + .parent = TYPE_DEVICE, + .instance_size = sizeof(FslIMX31State), + .instance_init = fsl_imx31_init, + .class_init = fsl_imx31_class_init, +}; + +static void fsl_imx31_register_types(void) +{ + type_register_static(&fsl_imx31_type_info); +} + +type_init(fsl_imx31_register_types) |