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1/*
2 * Copyright (c) 2013 Jean-Christophe Dubois <jcd@tribudubois.net>
3 *
4 * i.MX31 SOC emulation.
5 *
6 * Based on hw/arm/fsl-imx31.c
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the
10 * Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful, but WITHOUT
14 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 * for more details.
17 *
18 * You should have received a copy of the GNU General Public License along
19 * with this program; if not, see <http://www.gnu.org/licenses/>.
20 */
21
12b16722 22#include "qemu/osdep.h"
da34e65c 23#include "qapi/error.h"
4771d756 24#include "cpu.h"
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25#include "hw/arm/fsl-imx31.h"
26#include "sysemu/sysemu.h"
27#include "exec/address-spaces.h"
a27bd6c7 28#include "hw/qdev-properties.h"
8228e353 29#include "chardev/char.h"
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30
31static void fsl_imx31_init(Object *obj)
32{
33 FslIMX31State *s = FSL_IMX31(obj);
34 int i;
35
9fc7fc4d 36 object_initialize_child(obj, "cpu", &s->cpu, ARM_CPU_TYPE_NAME("arm1136"));
558df83d 37
db873cc5 38 object_initialize_child(obj, "avic", &s->avic, TYPE_IMX_AVIC);
558df83d 39
db873cc5 40 object_initialize_child(obj, "ccm", &s->ccm, TYPE_IMX31_CCM);
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41
42 for (i = 0; i < FSL_IMX31_NUM_UARTS; i++) {
db873cc5 43 object_initialize_child(obj, "uart[*]", &s->uart[i], TYPE_IMX_SERIAL);
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44 }
45
db873cc5 46 object_initialize_child(obj, "gpt", &s->gpt, TYPE_IMX31_GPT);
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47
48 for (i = 0; i < FSL_IMX31_NUM_EPITS; i++) {
db873cc5 49 object_initialize_child(obj, "epit[*]", &s->epit[i], TYPE_IMX_EPIT);
558df83d 50 }
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51
52 for (i = 0; i < FSL_IMX31_NUM_I2CS; i++) {
db873cc5 53 object_initialize_child(obj, "i2c[*]", &s->i2c[i], TYPE_IMX_I2C);
d4e26d10 54 }
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55
56 for (i = 0; i < FSL_IMX31_NUM_GPIOS; i++) {
db873cc5 57 object_initialize_child(obj, "gpio[*]", &s->gpio[i], TYPE_IMX_GPIO);
dde0c4ca 58 }
b9e521dd 59
db873cc5 60 object_initialize_child(obj, "wdt", &s->wdt, TYPE_IMX2_WDT);
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61}
62
63static void fsl_imx31_realize(DeviceState *dev, Error **errp)
64{
65 FslIMX31State *s = FSL_IMX31(dev);
66 uint16_t i;
67 Error *err = NULL;
68
118bfd76 69 if (!qdev_realize(DEVICE(&s->cpu), NULL, &err)) {
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70 error_propagate(errp, err);
71 return;
72 }
73
118bfd76 74 if (!sysbus_realize(SYS_BUS_DEVICE(&s->avic), &err)) {
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75 error_propagate(errp, err);
76 return;
77 }
78 sysbus_mmio_map(SYS_BUS_DEVICE(&s->avic), 0, FSL_IMX31_AVIC_ADDR);
79 sysbus_connect_irq(SYS_BUS_DEVICE(&s->avic), 0,
80 qdev_get_gpio_in(DEVICE(&s->cpu), ARM_CPU_IRQ));
81 sysbus_connect_irq(SYS_BUS_DEVICE(&s->avic), 1,
82 qdev_get_gpio_in(DEVICE(&s->cpu), ARM_CPU_FIQ));
83
118bfd76 84 if (!sysbus_realize(SYS_BUS_DEVICE(&s->ccm), &err)) {
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85 error_propagate(errp, err);
86 return;
87 }
88 sysbus_mmio_map(SYS_BUS_DEVICE(&s->ccm), 0, FSL_IMX31_CCM_ADDR);
89
90 /* Initialize all UARTS */
91 for (i = 0; i < FSL_IMX31_NUM_UARTS; i++) {
92 static const struct {
93 hwaddr addr;
94 unsigned int irq;
95 } serial_table[FSL_IMX31_NUM_UARTS] = {
96 { FSL_IMX31_UART1_ADDR, FSL_IMX31_UART1_IRQ },
97 { FSL_IMX31_UART2_ADDR, FSL_IMX31_UART2_IRQ },
98 };
99
fc38a112 100 qdev_prop_set_chr(DEVICE(&s->uart[i]), "chardev", serial_hd(i));
558df83d 101
118bfd76 102 if (!sysbus_realize(SYS_BUS_DEVICE(&s->uart[i]), &err)) {
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103 error_propagate(errp, err);
104 return;
105 }
106
107 sysbus_mmio_map(SYS_BUS_DEVICE(&s->uart[i]), 0, serial_table[i].addr);
108 sysbus_connect_irq(SYS_BUS_DEVICE(&s->uart[i]), 0,
109 qdev_get_gpio_in(DEVICE(&s->avic),
110 serial_table[i].irq));
111 }
112
cb54d868 113 s->gpt.ccm = IMX_CCM(&s->ccm);
558df83d 114
118bfd76 115 if (!sysbus_realize(SYS_BUS_DEVICE(&s->gpt), &err)) {
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116 error_propagate(errp, err);
117 return;
118 }
119
120 sysbus_mmio_map(SYS_BUS_DEVICE(&s->gpt), 0, FSL_IMX31_GPT_ADDR);
121 sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpt), 0,
122 qdev_get_gpio_in(DEVICE(&s->avic), FSL_IMX31_GPT_IRQ));
123
124 /* Initialize all EPIT timers */
125 for (i = 0; i < FSL_IMX31_NUM_EPITS; i++) {
126 static const struct {
127 hwaddr addr;
128 unsigned int irq;
129 } epit_table[FSL_IMX31_NUM_EPITS] = {
130 { FSL_IMX31_EPIT1_ADDR, FSL_IMX31_EPIT1_IRQ },
131 { FSL_IMX31_EPIT2_ADDR, FSL_IMX31_EPIT2_IRQ },
132 };
133
cb54d868 134 s->epit[i].ccm = IMX_CCM(&s->ccm);
558df83d 135
118bfd76 136 if (!sysbus_realize(SYS_BUS_DEVICE(&s->epit[i]), &err)) {
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137 error_propagate(errp, err);
138 return;
139 }
140
141 sysbus_mmio_map(SYS_BUS_DEVICE(&s->epit[i]), 0, epit_table[i].addr);
142 sysbus_connect_irq(SYS_BUS_DEVICE(&s->epit[i]), 0,
143 qdev_get_gpio_in(DEVICE(&s->avic),
144 epit_table[i].irq));
145 }
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146
147 /* Initialize all I2C */
148 for (i = 0; i < FSL_IMX31_NUM_I2CS; i++) {
149 static const struct {
150 hwaddr addr;
151 unsigned int irq;
152 } i2c_table[FSL_IMX31_NUM_I2CS] = {
153 { FSL_IMX31_I2C1_ADDR, FSL_IMX31_I2C1_IRQ },
154 { FSL_IMX31_I2C2_ADDR, FSL_IMX31_I2C2_IRQ },
155 { FSL_IMX31_I2C3_ADDR, FSL_IMX31_I2C3_IRQ }
156 };
157
158 /* Initialize the I2C */
118bfd76 159 if (!sysbus_realize(SYS_BUS_DEVICE(&s->i2c[i]), &err)) {
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160 error_propagate(errp, err);
161 return;
162 }
163 /* Map I2C memory */
164 sysbus_mmio_map(SYS_BUS_DEVICE(&s->i2c[i]), 0, i2c_table[i].addr);
165 /* Connect I2C IRQ to PIC */
166 sysbus_connect_irq(SYS_BUS_DEVICE(&s->i2c[i]), 0,
167 qdev_get_gpio_in(DEVICE(&s->avic),
168 i2c_table[i].irq));
169 }
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170
171 /* Initialize all GPIOs */
172 for (i = 0; i < FSL_IMX31_NUM_GPIOS; i++) {
173 static const struct {
174 hwaddr addr;
175 unsigned int irq;
176 } gpio_table[FSL_IMX31_NUM_GPIOS] = {
177 { FSL_IMX31_GPIO1_ADDR, FSL_IMX31_GPIO1_IRQ },
178 { FSL_IMX31_GPIO2_ADDR, FSL_IMX31_GPIO2_IRQ },
179 { FSL_IMX31_GPIO3_ADDR, FSL_IMX31_GPIO3_IRQ }
180 };
181
5325cc34 182 object_property_set_bool(OBJECT(&s->gpio[i]), "has-edge-sel", false,
dde0c4ca 183 &error_abort);
118bfd76 184 if (!sysbus_realize(SYS_BUS_DEVICE(&s->gpio[i]), &err)) {
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185 error_propagate(errp, err);
186 return;
187 }
188 sysbus_mmio_map(SYS_BUS_DEVICE(&s->gpio[i]), 0, gpio_table[i].addr);
189 /* Connect GPIO IRQ to PIC */
190 sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpio[i]), 0,
191 qdev_get_gpio_in(DEVICE(&s->avic),
192 gpio_table[i].irq));
193 }
558df83d 194
b9e521dd 195 /* Watchdog */
db873cc5 196 sysbus_realize(SYS_BUS_DEVICE(&s->wdt), &error_abort);
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197 sysbus_mmio_map(SYS_BUS_DEVICE(&s->wdt), 0, FSL_IMX31_WDT_ADDR);
198
558df83d 199 /* On a real system, the first 16k is a `secure boot rom' */
32b9523a 200 memory_region_init_rom(&s->secure_rom, OBJECT(dev), "imx31.secure_rom",
a7aeb5f7 201 FSL_IMX31_SECURE_ROM_SIZE, &err);
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202 if (err) {
203 error_propagate(errp, err);
204 return;
205 }
206 memory_region_add_subregion(get_system_memory(), FSL_IMX31_SECURE_ROM_ADDR,
207 &s->secure_rom);
208
209 /* There is also a 16k ROM */
32b9523a 210 memory_region_init_rom(&s->rom, OBJECT(dev), "imx31.rom",
a7aeb5f7 211 FSL_IMX31_ROM_SIZE, &err);
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212 if (err) {
213 error_propagate(errp, err);
214 return;
215 }
216 memory_region_add_subregion(get_system_memory(), FSL_IMX31_ROM_ADDR,
217 &s->rom);
218
219 /* initialize internal RAM (16 KB) */
98a99ce0 220 memory_region_init_ram(&s->iram, NULL, "imx31.iram", FSL_IMX31_IRAM_SIZE,
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221 &err);
222 if (err) {
223 error_propagate(errp, err);
224 return;
225 }
226 memory_region_add_subregion(get_system_memory(), FSL_IMX31_IRAM_ADDR,
227 &s->iram);
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228
229 /* internal RAM (16 KB) is aliased over 256 MB - 16 KB */
32b9523a 230 memory_region_init_alias(&s->iram_alias, OBJECT(dev), "imx31.iram_alias",
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231 &s->iram, 0, FSL_IMX31_IRAM_ALIAS_SIZE);
232 memory_region_add_subregion(get_system_memory(), FSL_IMX31_IRAM_ALIAS_ADDR,
233 &s->iram_alias);
234}
235
236static void fsl_imx31_class_init(ObjectClass *oc, void *data)
237{
238 DeviceClass *dc = DEVICE_CLASS(oc);
239
240 dc->realize = fsl_imx31_realize;
eccfa35e 241 dc->desc = "i.MX31 SOC";
e4e05b7b
TH
242 /*
243 * Reason: uses serial_hds in realize and the kzm board does not
244 * support multiple CPUs
245 */
246 dc->user_creatable = false;
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247}
248
249static const TypeInfo fsl_imx31_type_info = {
250 .name = TYPE_FSL_IMX31,
251 .parent = TYPE_DEVICE,
252 .instance_size = sizeof(FslIMX31State),
253 .instance_init = fsl_imx31_init,
254 .class_init = fsl_imx31_class_init,
255};
256
257static void fsl_imx31_register_types(void)
258{
259 type_register_static(&fsl_imx31_type_info);
260}
261
262type_init(fsl_imx31_register_types)