diff options
Diffstat (limited to 'hw/arm/fsl-imx6.c')
| -rw-r--r-- | hw/arm/fsl-imx6.c | 449 |
1 files changed, 449 insertions, 0 deletions
diff --git a/hw/arm/fsl-imx6.c b/hw/arm/fsl-imx6.c new file mode 100644 index 0000000..a5331bf --- /dev/null +++ b/hw/arm/fsl-imx6.c @@ -0,0 +1,449 @@ +/* + * 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 "sysemu/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_IMX_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); + } +} + +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) { + CharDriverState *chr; + + chr = serial_hds[i]; + + if (!chr) { + char *label = g_strdup_printf("imx6.uart%d", i + 1); + chr = qemu_chr_new(label, "null", 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)); + } + + /* ROM memory */ + memory_region_init_rom_device(&s->rom, NULL, NULL, 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_device(&s->caam, NULL, NULL, 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; + + /* + * Reason: creates an ARM CPU, thus use after free(), see + * arm_cpu_class_init() + */ + dc->cannot_destroy_with_object_finalize_yet = true; + 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) |