/* * Copyright (c) 2013 Jean-Christophe Dubois <jcd@tribudubois.net> * * i.MX25 SOC emulation. * * Based on hw/arm/xlnx-zynqmp.c * * Copyright (C) 2015 Xilinx Inc * Written by Peter Crosthwaite <peter.crosthwaite@xilinx.com> * * 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 "cpu.h" #include "hw/arm/fsl-imx25.h" #include "sysemu/sysemu.h" #include "exec/address-spaces.h" #include "hw/boards.h" #include "chardev/char.h" static void fsl_imx25_init(Object *obj) { FslIMX25State *s = FSL_IMX25(obj); int i; object_initialize(&s->cpu, sizeof(s->cpu), "arm926-" TYPE_ARM_CPU); sysbus_init_child_obj(obj, "avic", &s->avic, sizeof(s->avic), TYPE_IMX_AVIC); sysbus_init_child_obj(obj, "ccm", &s->ccm, sizeof(s->ccm), TYPE_IMX25_CCM); for (i = 0; i < FSL_IMX25_NUM_UARTS; i++) { sysbus_init_child_obj(obj, "uart[*]", &s->uart[i], sizeof(s->uart[i]), TYPE_IMX_SERIAL); } for (i = 0; i < FSL_IMX25_NUM_GPTS; i++) { sysbus_init_child_obj(obj, "gpt[*]", &s->gpt[i], sizeof(s->gpt[i]), TYPE_IMX25_GPT); } for (i = 0; i < FSL_IMX25_NUM_EPITS; i++) { sysbus_init_child_obj(obj, "epit[*]", &s->epit[i], sizeof(s->epit[i]), TYPE_IMX_EPIT); } sysbus_init_child_obj(obj, "fec", &s->fec, sizeof(s->fec), TYPE_IMX_FEC); for (i = 0; i < FSL_IMX25_NUM_I2CS; i++) { sysbus_init_child_obj(obj, "i2c[*]", &s->i2c[i], sizeof(s->i2c[i]), TYPE_IMX_I2C); } for (i = 0; i < FSL_IMX25_NUM_GPIOS; i++) { sysbus_init_child_obj(obj, "gpio[*]", &s->gpio[i], sizeof(s->gpio[i]), TYPE_IMX_GPIO); } } static void fsl_imx25_realize(DeviceState *dev, Error **errp) { FslIMX25State *s = FSL_IMX25(dev); uint8_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_IMX25_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_IMX25_CCM_ADDR); /* Initialize all UARTs */ for (i = 0; i < FSL_IMX25_NUM_UARTS; i++) { static const struct { hwaddr addr; unsigned int irq; } serial_table[FSL_IMX25_NUM_UARTS] = { { FSL_IMX25_UART1_ADDR, FSL_IMX25_UART1_IRQ }, { FSL_IMX25_UART2_ADDR, FSL_IMX25_UART2_IRQ }, { FSL_IMX25_UART3_ADDR, FSL_IMX25_UART3_IRQ }, { FSL_IMX25_UART4_ADDR, FSL_IMX25_UART4_IRQ }, { FSL_IMX25_UART5_ADDR, FSL_IMX25_UART5_IRQ } }; qdev_prop_set_chr(DEVICE(&s->uart[i]), "chardev", serial_hd(i)); 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)); } /* Initialize all GPT timers */ for (i = 0; i < FSL_IMX25_NUM_GPTS; i++) { static const struct { hwaddr addr; unsigned int irq; } gpt_table[FSL_IMX25_NUM_GPTS] = { { FSL_IMX25_GPT1_ADDR, FSL_IMX25_GPT1_IRQ }, { FSL_IMX25_GPT2_ADDR, FSL_IMX25_GPT2_IRQ }, { FSL_IMX25_GPT3_ADDR, FSL_IMX25_GPT3_IRQ }, { FSL_IMX25_GPT4_ADDR, FSL_IMX25_GPT4_IRQ } }; s->gpt[i].ccm = IMX_CCM(&s->ccm); object_property_set_bool(OBJECT(&s->gpt[i]), true, "realized", &err); if (err) { error_propagate(errp, err); return; } sysbus_mmio_map(SYS_BUS_DEVICE(&s->gpt[i]), 0, gpt_table[i].addr); sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpt[i]), 0, qdev_get_gpio_in(DEVICE(&s->avic), gpt_table[i].irq)); } /* Initialize all EPIT timers */ for (i = 0; i < FSL_IMX25_NUM_EPITS; i++) { static const struct { hwaddr addr; unsigned int irq; } epit_table[FSL_IMX25_NUM_EPITS] = { { FSL_IMX25_EPIT1_ADDR, FSL_IMX25_EPIT1_IRQ }, { FSL_IMX25_EPIT2_ADDR, FSL_IMX25_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->avic), epit_table[i].irq)); } qdev_set_nic_properties(DEVICE(&s->fec), &nd_table[0]); object_property_set_bool(OBJECT(&s->fec), true, "realized", &err); if (err) { error_propagate(errp, err); return; } sysbus_mmio_map(SYS_BUS_DEVICE(&s->fec), 0, FSL_IMX25_FEC_ADDR); sysbus_connect_irq(SYS_BUS_DEVICE(&s->fec), 0, qdev_get_gpio_in(DEVICE(&s->avic), FSL_IMX25_FEC_IRQ)); /* Initialize all I2C */ for (i = 0; i < FSL_IMX25_NUM_I2CS; i++) { static const struct { hwaddr addr; unsigned int irq; } i2c_table[FSL_IMX25_NUM_I2CS] = { { FSL_IMX25_I2C1_ADDR, FSL_IMX25_I2C1_IRQ }, { FSL_IMX25_I2C2_ADDR, FSL_IMX25_I2C2_IRQ }, { FSL_IMX25_I2C3_ADDR, FSL_IMX25_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->avic), i2c_table[i].irq)); } /* Initialize all GPIOs */ for (i = 0; i < FSL_IMX25_NUM_GPIOS; i++) { static const struct { hwaddr addr; unsigned int irq; } gpio_table[FSL_IMX25_NUM_GPIOS] = { { FSL_IMX25_GPIO1_ADDR, FSL_IMX25_GPIO1_IRQ }, { FSL_IMX25_GPIO2_ADDR, FSL_IMX25_GPIO2_IRQ }, { FSL_IMX25_GPIO3_ADDR, FSL_IMX25_GPIO3_IRQ }, { FSL_IMX25_GPIO4_ADDR, FSL_IMX25_GPIO4_IRQ } }; 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); /* Connect GPIO IRQ to PIC */ sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpio[i]), 0, qdev_get_gpio_in(DEVICE(&s->avic), gpio_table[i].irq)); } /* initialize 2 x 16 KB ROM */ memory_region_init_rom(&s->rom[0], NULL, "imx25.rom0", FSL_IMX25_ROM0_SIZE, &err); if (err) { error_propagate(errp, err); return; } memory_region_add_subregion(get_system_memory(), FSL_IMX25_ROM0_ADDR, &s->rom[0]); memory_region_init_rom(&s->rom[1], NULL, "imx25.rom1", FSL_IMX25_ROM1_SIZE, &err); if (err) { error_propagate(errp, err); return; } memory_region_add_subregion(get_system_memory(), FSL_IMX25_ROM1_ADDR, &s->rom[1]); /* initialize internal RAM (128 KB) */ memory_region_init_ram(&s->iram, NULL, "imx25.iram", FSL_IMX25_IRAM_SIZE, &err); if (err) { error_propagate(errp, err); return; } memory_region_add_subregion(get_system_memory(), FSL_IMX25_IRAM_ADDR, &s->iram); /* internal RAM (128 KB) is aliased over 128 MB - 128 KB */ memory_region_init_alias(&s->iram_alias, NULL, "imx25.iram_alias", &s->iram, 0, FSL_IMX25_IRAM_ALIAS_SIZE); memory_region_add_subregion(get_system_memory(), FSL_IMX25_IRAM_ALIAS_ADDR, &s->iram_alias); } static void fsl_imx25_class_init(ObjectClass *oc, void *data) { DeviceClass *dc = DEVICE_CLASS(oc); dc->realize = fsl_imx25_realize; dc->desc = "i.MX25 SOC"; /* * Reason: uses serial_hds in realize and the imx25 board does not * support multiple CPUs */ dc->user_creatable = false; } static const TypeInfo fsl_imx25_type_info = { .name = TYPE_FSL_IMX25, .parent = TYPE_DEVICE, .instance_size = sizeof(FslIMX25State), .instance_init = fsl_imx25_init, .class_init = fsl_imx25_class_init, }; static void fsl_imx25_register_types(void) { type_register_static(&fsl_imx25_type_info); } type_init(fsl_imx25_register_types)