2 * Copyright (c) 2013 Jean-Christophe Dubois <jcd@tribudubois.net>
4 * i.MX25 SOC emulation.
6 * Based on hw/arm/xlnx-zynqmp.c
8 * Copyright (C) 2015 Xilinx Inc
9 * Written by Peter Crosthwaite <peter.crosthwaite@xilinx.com>
11 * This program is free software; you can redistribute it and/or modify it
12 * under the terms of the GNU General Public License as published by the
13 * Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful, but WITHOUT
17 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
18 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
21 * You should have received a copy of the GNU General Public License along
22 * with this program; if not, see <http://www.gnu.org/licenses/>.
25 #include "qemu/osdep.h"
26 #include "qapi/error.h"
27 #include "qemu-common.h"
29 #include "hw/arm/fsl-imx25.h"
30 #include "sysemu/sysemu.h"
31 #include "exec/address-spaces.h"
32 #include "hw/boards.h"
33 #include "chardev/char.h"
35 static void fsl_imx25_init(Object
*obj
)
37 FslIMX25State
*s
= FSL_IMX25(obj
);
40 object_initialize(&s
->cpu
, sizeof(s
->cpu
), "arm926-" TYPE_ARM_CPU
);
42 object_initialize(&s
->avic
, sizeof(s
->avic
), TYPE_IMX_AVIC
);
43 qdev_set_parent_bus(DEVICE(&s
->avic
), sysbus_get_default());
45 object_initialize(&s
->ccm
, sizeof(s
->ccm
), TYPE_IMX25_CCM
);
46 qdev_set_parent_bus(DEVICE(&s
->ccm
), sysbus_get_default());
48 for (i
= 0; i
< FSL_IMX25_NUM_UARTS
; i
++) {
49 object_initialize(&s
->uart
[i
], sizeof(s
->uart
[i
]), TYPE_IMX_SERIAL
);
50 qdev_set_parent_bus(DEVICE(&s
->uart
[i
]), sysbus_get_default());
53 for (i
= 0; i
< FSL_IMX25_NUM_GPTS
; i
++) {
54 object_initialize(&s
->gpt
[i
], sizeof(s
->gpt
[i
]), TYPE_IMX25_GPT
);
55 qdev_set_parent_bus(DEVICE(&s
->gpt
[i
]), sysbus_get_default());
58 for (i
= 0; i
< FSL_IMX25_NUM_EPITS
; i
++) {
59 object_initialize(&s
->epit
[i
], sizeof(s
->epit
[i
]), TYPE_IMX_EPIT
);
60 qdev_set_parent_bus(DEVICE(&s
->epit
[i
]), sysbus_get_default());
63 object_initialize(&s
->fec
, sizeof(s
->fec
), TYPE_IMX_FEC
);
64 qdev_set_parent_bus(DEVICE(&s
->fec
), sysbus_get_default());
66 for (i
= 0; i
< FSL_IMX25_NUM_I2CS
; i
++) {
67 object_initialize(&s
->i2c
[i
], sizeof(s
->i2c
[i
]), TYPE_IMX_I2C
);
68 qdev_set_parent_bus(DEVICE(&s
->i2c
[i
]), sysbus_get_default());
71 for (i
= 0; i
< FSL_IMX25_NUM_GPIOS
; i
++) {
72 object_initialize(&s
->gpio
[i
], sizeof(s
->gpio
[i
]), TYPE_IMX_GPIO
);
73 qdev_set_parent_bus(DEVICE(&s
->gpio
[i
]), sysbus_get_default());
77 static void fsl_imx25_realize(DeviceState
*dev
, Error
**errp
)
79 FslIMX25State
*s
= FSL_IMX25(dev
);
83 object_property_set_bool(OBJECT(&s
->cpu
), true, "realized", &err
);
85 error_propagate(errp
, err
);
89 object_property_set_bool(OBJECT(&s
->avic
), true, "realized", &err
);
91 error_propagate(errp
, err
);
94 sysbus_mmio_map(SYS_BUS_DEVICE(&s
->avic
), 0, FSL_IMX25_AVIC_ADDR
);
95 sysbus_connect_irq(SYS_BUS_DEVICE(&s
->avic
), 0,
96 qdev_get_gpio_in(DEVICE(&s
->cpu
), ARM_CPU_IRQ
));
97 sysbus_connect_irq(SYS_BUS_DEVICE(&s
->avic
), 1,
98 qdev_get_gpio_in(DEVICE(&s
->cpu
), ARM_CPU_FIQ
));
100 object_property_set_bool(OBJECT(&s
->ccm
), true, "realized", &err
);
102 error_propagate(errp
, err
);
105 sysbus_mmio_map(SYS_BUS_DEVICE(&s
->ccm
), 0, FSL_IMX25_CCM_ADDR
);
107 /* Initialize all UARTs */
108 for (i
= 0; i
< FSL_IMX25_NUM_UARTS
; i
++) {
109 static const struct {
112 } serial_table
[FSL_IMX25_NUM_UARTS
] = {
113 { FSL_IMX25_UART1_ADDR
, FSL_IMX25_UART1_IRQ
},
114 { FSL_IMX25_UART2_ADDR
, FSL_IMX25_UART2_IRQ
},
115 { FSL_IMX25_UART3_ADDR
, FSL_IMX25_UART3_IRQ
},
116 { FSL_IMX25_UART4_ADDR
, FSL_IMX25_UART4_IRQ
},
117 { FSL_IMX25_UART5_ADDR
, FSL_IMX25_UART5_IRQ
}
120 qdev_prop_set_chr(DEVICE(&s
->uart
[i
]), "chardev", serial_hd(i
));
122 object_property_set_bool(OBJECT(&s
->uart
[i
]), true, "realized", &err
);
124 error_propagate(errp
, err
);
127 sysbus_mmio_map(SYS_BUS_DEVICE(&s
->uart
[i
]), 0, serial_table
[i
].addr
);
128 sysbus_connect_irq(SYS_BUS_DEVICE(&s
->uart
[i
]), 0,
129 qdev_get_gpio_in(DEVICE(&s
->avic
),
130 serial_table
[i
].irq
));
133 /* Initialize all GPT timers */
134 for (i
= 0; i
< FSL_IMX25_NUM_GPTS
; i
++) {
135 static const struct {
138 } gpt_table
[FSL_IMX25_NUM_GPTS
] = {
139 { FSL_IMX25_GPT1_ADDR
, FSL_IMX25_GPT1_IRQ
},
140 { FSL_IMX25_GPT2_ADDR
, FSL_IMX25_GPT2_IRQ
},
141 { FSL_IMX25_GPT3_ADDR
, FSL_IMX25_GPT3_IRQ
},
142 { FSL_IMX25_GPT4_ADDR
, FSL_IMX25_GPT4_IRQ
}
145 s
->gpt
[i
].ccm
= IMX_CCM(&s
->ccm
);
147 object_property_set_bool(OBJECT(&s
->gpt
[i
]), true, "realized", &err
);
149 error_propagate(errp
, err
);
152 sysbus_mmio_map(SYS_BUS_DEVICE(&s
->gpt
[i
]), 0, gpt_table
[i
].addr
);
153 sysbus_connect_irq(SYS_BUS_DEVICE(&s
->gpt
[i
]), 0,
154 qdev_get_gpio_in(DEVICE(&s
->avic
),
158 /* Initialize all EPIT timers */
159 for (i
= 0; i
< FSL_IMX25_NUM_EPITS
; i
++) {
160 static const struct {
163 } epit_table
[FSL_IMX25_NUM_EPITS
] = {
164 { FSL_IMX25_EPIT1_ADDR
, FSL_IMX25_EPIT1_IRQ
},
165 { FSL_IMX25_EPIT2_ADDR
, FSL_IMX25_EPIT2_IRQ
}
168 s
->epit
[i
].ccm
= IMX_CCM(&s
->ccm
);
170 object_property_set_bool(OBJECT(&s
->epit
[i
]), true, "realized", &err
);
172 error_propagate(errp
, err
);
175 sysbus_mmio_map(SYS_BUS_DEVICE(&s
->epit
[i
]), 0, epit_table
[i
].addr
);
176 sysbus_connect_irq(SYS_BUS_DEVICE(&s
->epit
[i
]), 0,
177 qdev_get_gpio_in(DEVICE(&s
->avic
),
181 qdev_set_nic_properties(DEVICE(&s
->fec
), &nd_table
[0]);
183 object_property_set_bool(OBJECT(&s
->fec
), true, "realized", &err
);
185 error_propagate(errp
, err
);
188 sysbus_mmio_map(SYS_BUS_DEVICE(&s
->fec
), 0, FSL_IMX25_FEC_ADDR
);
189 sysbus_connect_irq(SYS_BUS_DEVICE(&s
->fec
), 0,
190 qdev_get_gpio_in(DEVICE(&s
->avic
), FSL_IMX25_FEC_IRQ
));
193 /* Initialize all I2C */
194 for (i
= 0; i
< FSL_IMX25_NUM_I2CS
; i
++) {
195 static const struct {
198 } i2c_table
[FSL_IMX25_NUM_I2CS
] = {
199 { FSL_IMX25_I2C1_ADDR
, FSL_IMX25_I2C1_IRQ
},
200 { FSL_IMX25_I2C2_ADDR
, FSL_IMX25_I2C2_IRQ
},
201 { FSL_IMX25_I2C3_ADDR
, FSL_IMX25_I2C3_IRQ
}
204 object_property_set_bool(OBJECT(&s
->i2c
[i
]), true, "realized", &err
);
206 error_propagate(errp
, err
);
209 sysbus_mmio_map(SYS_BUS_DEVICE(&s
->i2c
[i
]), 0, i2c_table
[i
].addr
);
210 sysbus_connect_irq(SYS_BUS_DEVICE(&s
->i2c
[i
]), 0,
211 qdev_get_gpio_in(DEVICE(&s
->avic
),
215 /* Initialize all GPIOs */
216 for (i
= 0; i
< FSL_IMX25_NUM_GPIOS
; i
++) {
217 static const struct {
220 } gpio_table
[FSL_IMX25_NUM_GPIOS
] = {
221 { FSL_IMX25_GPIO1_ADDR
, FSL_IMX25_GPIO1_IRQ
},
222 { FSL_IMX25_GPIO2_ADDR
, FSL_IMX25_GPIO2_IRQ
},
223 { FSL_IMX25_GPIO3_ADDR
, FSL_IMX25_GPIO3_IRQ
},
224 { FSL_IMX25_GPIO4_ADDR
, FSL_IMX25_GPIO4_IRQ
}
227 object_property_set_bool(OBJECT(&s
->gpio
[i
]), true, "realized", &err
);
229 error_propagate(errp
, err
);
232 sysbus_mmio_map(SYS_BUS_DEVICE(&s
->gpio
[i
]), 0, gpio_table
[i
].addr
);
233 /* Connect GPIO IRQ to PIC */
234 sysbus_connect_irq(SYS_BUS_DEVICE(&s
->gpio
[i
]), 0,
235 qdev_get_gpio_in(DEVICE(&s
->avic
),
239 /* initialize 2 x 16 KB ROM */
240 memory_region_init_rom(&s
->rom
[0], NULL
,
241 "imx25.rom0", FSL_IMX25_ROM0_SIZE
, &err
);
243 error_propagate(errp
, err
);
246 memory_region_add_subregion(get_system_memory(), FSL_IMX25_ROM0_ADDR
,
248 memory_region_init_rom(&s
->rom
[1], NULL
,
249 "imx25.rom1", FSL_IMX25_ROM1_SIZE
, &err
);
251 error_propagate(errp
, err
);
254 memory_region_add_subregion(get_system_memory(), FSL_IMX25_ROM1_ADDR
,
257 /* initialize internal RAM (128 KB) */
258 memory_region_init_ram(&s
->iram
, NULL
, "imx25.iram", FSL_IMX25_IRAM_SIZE
,
261 error_propagate(errp
, err
);
264 memory_region_add_subregion(get_system_memory(), FSL_IMX25_IRAM_ADDR
,
267 /* internal RAM (128 KB) is aliased over 128 MB - 128 KB */
268 memory_region_init_alias(&s
->iram_alias
, NULL
, "imx25.iram_alias",
269 &s
->iram
, 0, FSL_IMX25_IRAM_ALIAS_SIZE
);
270 memory_region_add_subregion(get_system_memory(), FSL_IMX25_IRAM_ALIAS_ADDR
,
274 static void fsl_imx25_class_init(ObjectClass
*oc
, void *data
)
276 DeviceClass
*dc
= DEVICE_CLASS(oc
);
278 dc
->realize
= fsl_imx25_realize
;
279 dc
->desc
= "i.MX25 SOC";
281 * Reason: uses serial_hd in realize and the imx25 board does not
282 * support multiple CPUs
284 dc
->user_creatable
= false;
287 static const TypeInfo fsl_imx25_type_info
= {
288 .name
= TYPE_FSL_IMX25
,
289 .parent
= TYPE_DEVICE
,
290 .instance_size
= sizeof(FslIMX25State
),
291 .instance_init
= fsl_imx25_init
,
292 .class_init
= fsl_imx25_class_init
,
295 static void fsl_imx25_register_types(void)
297 type_register_static(&fsl_imx25_type_info
);
300 type_init(fsl_imx25_register_types
)