| /* |
| * 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) |