/* * Copyright (c) 2015 Jean-Christophe Dubois <jcd@tribudubois.net> * * i.MX6 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 "qemu/osdep.h" #include "qapi/error.h" #include "qemu-common.h" #include "hw/arm/fsl-imx6.h" #include "sysemu/sysemu.h" #include "chardev/char.h" #include "qemu/error-report.h" #define NAME_SIZE 20 static void fsl_imx6_init(Object *obj) { FslIMX6State *s = FSL_IMX6(obj); char name[NAME_SIZE]; int i; if (smp_cpus > FSL_IMX6_NUM_CPUS) { error_report("%s: Only %d CPUs are supported (%d requested)", TYPE_FSL_IMX6, FSL_IMX6_NUM_CPUS, smp_cpus); exit(1); } for (i = 0; i < smp_cpus; i++) { object_initialize(&s->cpu[i], sizeof(s->cpu[i]), "cortex-a9-" TYPE_ARM_CPU); snprintf(name, NAME_SIZE, "cpu%d", i); object_property_add_child(obj, name, OBJECT(&s->cpu[i]), NULL); } object_initialize(&s->a9mpcore, sizeof(s->a9mpcore), TYPE_A9MPCORE_PRIV); qdev_set_parent_bus(DEVICE(&s->a9mpcore), sysbus_get_default()); object_property_add_child(obj, "a9mpcore", OBJECT(&s->a9mpcore), NULL); object_initialize(&s->ccm, sizeof(s->ccm), TYPE_IMX6_CCM); qdev_set_parent_bus(DEVICE(&s->ccm), sysbus_get_default()); object_property_add_child(obj, "ccm", OBJECT(&s->ccm), NULL); object_initialize(&s->src, sizeof(s->src), TYPE_IMX6_SRC); qdev_set_parent_bus(DEVICE(&s->src), sysbus_get_default()); object_property_add_child(obj, "src", OBJECT(&s->src), NULL); for (i = 0; i < FSL_IMX6_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()); snprintf(name, NAME_SIZE, "uart%d", i + 1); object_property_add_child(obj, name, OBJECT(&s->uart[i]), NULL); } object_initialize(&s->gpt, sizeof(s->gpt), TYPE_IMX6_GPT); qdev_set_parent_bus(DEVICE(&s->gpt), sysbus_get_default()); object_property_add_child(obj, "gpt", OBJECT(&s->gpt), NULL); for (i = 0; i < FSL_IMX6_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()); snprintf(name, NAME_SIZE, "epit%d", i + 1); object_property_add_child(obj, name, OBJECT(&s->epit[i]), NULL); } for (i = 0; i < FSL_IMX6_NUM_I2CS; i++) { object_initialize(&s->i2c[i], sizeof(s->i2c[i]), TYPE_IMX_I2C); qdev_set_parent_bus(DEVICE(&s->i2c[i]), sysbus_get_default()); snprintf(name, NAME_SIZE, "i2c%d", i + 1); object_property_add_child(obj, name, OBJECT(&s->i2c[i]), NULL); } for (i = 0; i < FSL_IMX6_NUM_GPIOS; i++) { object_initialize(&s->gpio[i], sizeof(s->gpio[i]), TYPE_IMX_GPIO); qdev_set_parent_bus(DEVICE(&s->gpio[i]), sysbus_get_default()); snprintf(name, NAME_SIZE, "gpio%d", i + 1); object_property_add_child(obj, name, OBJECT(&s->gpio[i]), NULL); } for (i = 0; i < FSL_IMX6_NUM_ESDHCS; i++) { object_initialize(&s->esdhc[i], sizeof(s->esdhc[i]), TYPE_SYSBUS_SDHCI); qdev_set_parent_bus(DEVICE(&s->esdhc[i]), sysbus_get_default()); snprintf(name, NAME_SIZE, "sdhc%d", i + 1); object_property_add_child(obj, name, OBJECT(&s->esdhc[i]), NULL); } for (i = 0; i < FSL_IMX6_NUM_ECSPIS; i++) { object_initialize(&s->spi[i], sizeof(s->spi[i]), TYPE_IMX_SPI); qdev_set_parent_bus(DEVICE(&s->spi[i]), sysbus_get_default()); snprintf(name, NAME_SIZE, "spi%d", i + 1); object_property_add_child(obj, name, OBJECT(&s->spi[i]), NULL); } object_initialize(&s->eth, sizeof(s->eth), TYPE_IMX_ENET); qdev_set_parent_bus(DEVICE(&s->eth), sysbus_get_default()); object_property_add_child(obj, "eth", OBJECT(&s->eth), NULL); } static void fsl_imx6_realize(DeviceState *dev, Error **errp) { FslIMX6State *s = FSL_IMX6(dev); uint16_t i; Error *err = NULL; for (i = 0; i < smp_cpus; i++) { /* On uniprocessor, the CBAR is set to 0 */ if (smp_cpus > 1) { object_property_set_int(OBJECT(&s->cpu[i]), FSL_IMX6_A9MPCORE_ADDR, "reset-cbar", &error_abort); } /* All CPU but CPU 0 start in power off mode */ if (i) { object_property_set_bool(OBJECT(&s->cpu[i]), true, "start-powered-off", &error_abort); } object_property_set_bool(OBJECT(&s->cpu[i]), true, "realized", &err); if (err) { error_propagate(errp, err); return; } } object_property_set_int(OBJECT(&s->a9mpcore), smp_cpus, "num-cpu", &error_abort); object_property_set_int(OBJECT(&s->a9mpcore), FSL_IMX6_MAX_IRQ + GIC_INTERNAL, "num-irq", &error_abort); object_property_set_bool(OBJECT(&s->a9mpcore), true, "realized", &err); if (err) { error_propagate(errp, err); return; } sysbus_mmio_map(SYS_BUS_DEVICE(&s->a9mpcore), 0, FSL_IMX6_A9MPCORE_ADDR); for (i = 0; i < smp_cpus; i++) { sysbus_connect_irq(SYS_BUS_DEVICE(&s->a9mpcore), i, qdev_get_gpio_in(DEVICE(&s->cpu[i]), ARM_CPU_IRQ)); sysbus_connect_irq(SYS_BUS_DEVICE(&s->a9mpcore), i + smp_cpus, qdev_get_gpio_in(DEVICE(&s->cpu[i]), 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_IMX6_CCM_ADDR); object_property_set_bool(OBJECT(&s->src), true, "realized", &err); if (err) { error_propagate(errp, err); return; } sysbus_mmio_map(SYS_BUS_DEVICE(&s->src), 0, FSL_IMX6_SRC_ADDR); /* Initialize all UARTs */ for (i = 0; i < FSL_IMX6_NUM_UARTS; i++) { static const struct { hwaddr addr; unsigned int irq; } serial_table[FSL_IMX6_NUM_UARTS] = { { FSL_IMX6_UART1_ADDR, FSL_IMX6_UART1_IRQ }, { FSL_IMX6_UART2_ADDR, FSL_IMX6_UART2_IRQ }, { FSL_IMX6_UART3_ADDR, FSL_IMX6_UART3_IRQ }, { FSL_IMX6_UART4_ADDR, FSL_IMX6_UART4_IRQ }, { FSL_IMX6_UART5_ADDR, FSL_IMX6_UART5_IRQ }, }; if (i < MAX_SERIAL_PORTS) { Chardev *chr; chr = serial_hds[i]; if (!chr) { char *label = g_strdup_printf("imx6.uart%d", i + 1); chr = qemu_chr_new(label, "null"); g_free(label); serial_hds[i] = chr; } 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->a9mpcore), serial_table[i].irq)); } s->gpt.ccm = IMX_CCM(&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_IMX6_GPT_ADDR); sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpt), 0, qdev_get_gpio_in(DEVICE(&s->a9mpcore), FSL_IMX6_GPT_IRQ)); /* Initialize all EPIT timers */ for (i = 0; i < FSL_IMX6_NUM_EPITS; i++) { static const struct { hwaddr addr; unsigned int irq; } epit_table[FSL_IMX6_NUM_EPITS] = { { FSL_IMX6_EPIT1_ADDR, FSL_IMX6_EPIT1_IRQ }, { FSL_IMX6_EPIT2_ADDR, FSL_IMX6_EPIT2_IRQ }, }; s->epit[i].ccm = IMX_CCM(&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->a9mpcore), epit_table[i].irq)); } /* Initialize all I2C */ for (i = 0; i < FSL_IMX6_NUM_I2CS; i++) { static const struct { hwaddr addr; unsigned int irq; } i2c_table[FSL_IMX6_NUM_I2CS] = { { FSL_IMX6_I2C1_ADDR, FSL_IMX6_I2C1_IRQ }, { FSL_IMX6_I2C2_ADDR, FSL_IMX6_I2C2_IRQ }, { FSL_IMX6_I2C3_ADDR, FSL_IMX6_I2C3_IRQ } }; object_property_set_bool(OBJECT(&s->i2c[i]), true, "realized", &err); if (err) { error_propagate(errp, err); return; } sysbus_mmio_map(SYS_BUS_DEVICE(&s->i2c[i]), 0, i2c_table[i].addr); sysbus_connect_irq(SYS_BUS_DEVICE(&s->i2c[i]), 0, qdev_get_gpio_in(DEVICE(&s->a9mpcore), i2c_table[i].irq)); } /* Initialize all GPIOs */ for (i = 0; i < FSL_IMX6_NUM_GPIOS; i++) { static const struct { hwaddr addr; unsigned int irq_low; unsigned int irq_high; } gpio_table[FSL_IMX6_NUM_GPIOS] = { { FSL_IMX6_GPIO1_ADDR, FSL_IMX6_GPIO1_LOW_IRQ, FSL_IMX6_GPIO1_HIGH_IRQ }, { FSL_IMX6_GPIO2_ADDR, FSL_IMX6_GPIO2_LOW_IRQ, FSL_IMX6_GPIO2_HIGH_IRQ }, { FSL_IMX6_GPIO3_ADDR, FSL_IMX6_GPIO3_LOW_IRQ, FSL_IMX6_GPIO3_HIGH_IRQ }, { FSL_IMX6_GPIO4_ADDR, FSL_IMX6_GPIO4_LOW_IRQ, FSL_IMX6_GPIO4_HIGH_IRQ }, { FSL_IMX6_GPIO5_ADDR, FSL_IMX6_GPIO5_LOW_IRQ, FSL_IMX6_GPIO5_HIGH_IRQ }, { FSL_IMX6_GPIO6_ADDR, FSL_IMX6_GPIO6_LOW_IRQ, FSL_IMX6_GPIO6_HIGH_IRQ }, { FSL_IMX6_GPIO7_ADDR, FSL_IMX6_GPIO7_LOW_IRQ, FSL_IMX6_GPIO7_HIGH_IRQ }, }; object_property_set_bool(OBJECT(&s->gpio[i]), true, "has-edge-sel", &error_abort); object_property_set_bool(OBJECT(&s->gpio[i]), true, "has-upper-pin-irq", &error_abort); object_property_set_bool(OBJECT(&s->gpio[i]), true, "realized", &err); if (err) { error_propagate(errp, err); return; } sysbus_mmio_map(SYS_BUS_DEVICE(&s->gpio[i]), 0, gpio_table[i].addr); sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpio[i]), 0, qdev_get_gpio_in(DEVICE(&s->a9mpcore), gpio_table[i].irq_low)); sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpio[i]), 1, qdev_get_gpio_in(DEVICE(&s->a9mpcore), gpio_table[i].irq_high)); } /* Initialize all SDHC */ for (i = 0; i < FSL_IMX6_NUM_ESDHCS; i++) { static const struct { hwaddr addr; unsigned int irq; } esdhc_table[FSL_IMX6_NUM_ESDHCS] = { { FSL_IMX6_uSDHC1_ADDR, FSL_IMX6_uSDHC1_IRQ }, { FSL_IMX6_uSDHC2_ADDR, FSL_IMX6_uSDHC2_IRQ }, { FSL_IMX6_uSDHC3_ADDR, FSL_IMX6_uSDHC3_IRQ }, { FSL_IMX6_uSDHC4_ADDR, FSL_IMX6_uSDHC4_IRQ }, }; object_property_set_bool(OBJECT(&s->esdhc[i]), true, "realized", &err); if (err) { error_propagate(errp, err); return; } sysbus_mmio_map(SYS_BUS_DEVICE(&s->esdhc[i]), 0, esdhc_table[i].addr); sysbus_connect_irq(SYS_BUS_DEVICE(&s->esdhc[i]), 0, qdev_get_gpio_in(DEVICE(&s->a9mpcore), esdhc_table[i].irq)); } /* Initialize all ECSPI */ for (i = 0; i < FSL_IMX6_NUM_ECSPIS; i++) { static const struct { hwaddr addr; unsigned int irq; } spi_table[FSL_IMX6_NUM_ECSPIS] = { { FSL_IMX6_eCSPI1_ADDR, FSL_IMX6_ECSPI1_IRQ }, { FSL_IMX6_eCSPI2_ADDR, FSL_IMX6_ECSPI2_IRQ }, { FSL_IMX6_eCSPI3_ADDR, FSL_IMX6_ECSPI3_IRQ }, { FSL_IMX6_eCSPI4_ADDR, FSL_IMX6_ECSPI4_IRQ }, { FSL_IMX6_eCSPI5_ADDR, FSL_IMX6_ECSPI5_IRQ }, }; /* Initialize the SPI */ object_property_set_bool(OBJECT(&s->spi[i]), true, "realized", &err); if (err) { error_propagate(errp, err); return; } sysbus_mmio_map(SYS_BUS_DEVICE(&s->spi[i]), 0, spi_table[i].addr); sysbus_connect_irq(SYS_BUS_DEVICE(&s->spi[i]), 0, qdev_get_gpio_in(DEVICE(&s->a9mpcore), spi_table[i].irq)); } object_property_set_bool(OBJECT(&s->eth), true, "realized", &err); if (err) { error_propagate(errp, err); return; } sysbus_mmio_map(SYS_BUS_DEVICE(&s->eth), 0, FSL_IMX6_ENET_ADDR); sysbus_connect_irq(SYS_BUS_DEVICE(&s->eth), 0, qdev_get_gpio_in(DEVICE(&s->a9mpcore), FSL_IMX6_ENET_MAC_IRQ)); sysbus_connect_irq(SYS_BUS_DEVICE(&s->eth), 1, qdev_get_gpio_in(DEVICE(&s->a9mpcore), FSL_IMX6_ENET_MAC_1588_IRQ)); /* ROM memory */ memory_region_init_rom(&s->rom, NULL, "imx6.rom", FSL_IMX6_ROM_SIZE, &err); if (err) { error_propagate(errp, err); return; } memory_region_add_subregion(get_system_memory(), FSL_IMX6_ROM_ADDR, &s->rom); /* CAAM memory */ memory_region_init_rom(&s->caam, NULL, "imx6.caam", FSL_IMX6_CAAM_MEM_SIZE, &err); if (err) { error_propagate(errp, err); return; } memory_region_add_subregion(get_system_memory(), FSL_IMX6_CAAM_MEM_ADDR, &s->caam); /* OCRAM memory */ memory_region_init_ram(&s->ocram, NULL, "imx6.ocram", FSL_IMX6_OCRAM_SIZE, &err); if (err) { error_propagate(errp, err); return; } memory_region_add_subregion(get_system_memory(), FSL_IMX6_OCRAM_ADDR, &s->ocram); vmstate_register_ram_global(&s->ocram); /* internal OCRAM (256 KB) is aliased over 1 MB */ memory_region_init_alias(&s->ocram_alias, NULL, "imx6.ocram_alias", &s->ocram, 0, FSL_IMX6_OCRAM_ALIAS_SIZE); memory_region_add_subregion(get_system_memory(), FSL_IMX6_OCRAM_ALIAS_ADDR, &s->ocram_alias); } static void fsl_imx6_class_init(ObjectClass *oc, void *data) { DeviceClass *dc = DEVICE_CLASS(oc); dc->realize = fsl_imx6_realize; dc->desc = "i.MX6 SOC"; } static const TypeInfo fsl_imx6_type_info = { .name = TYPE_FSL_IMX6, .parent = TYPE_DEVICE, .instance_size = sizeof(FslIMX6State), .instance_init = fsl_imx6_init, .class_init = fsl_imx6_class_init, }; static void fsl_imx6_register_types(void) { type_register_static(&fsl_imx6_type_info); } type_init(fsl_imx6_register_types)