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1/*
2 * Copyright (c) 2013 Jean-Christophe Dubois <jcd@tribudubois.net>
3 *
4 * i.MX25 SOC emulation.
5 *
6 * Based on hw/arm/xlnx-zynqmp.c
7 *
8 * Copyright (C) 2015 Xilinx Inc
9 * Written by Peter Crosthwaite <peter.crosthwaite@xilinx.com>
10 *
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.
15 *
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
19 * for more details.
20 *
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/>.
23 */
24
12b16722 25#include "qemu/osdep.h"
da34e65c 26#include "qapi/error.h"
4771d756 27#include "cpu.h"
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28#include "hw/arm/fsl-imx25.h"
29#include "sysemu/sysemu.h"
30#include "exec/address-spaces.h"
31#include "hw/boards.h"
8228e353 32#include "chardev/char.h"
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33
34static void fsl_imx25_init(Object *obj)
35{
36 FslIMX25State *s = FSL_IMX25(obj);
37 int i;
38
39 object_initialize(&s->cpu, sizeof(s->cpu), "arm926-" TYPE_ARM_CPU);
40
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41 sysbus_init_child_obj(obj, "avic", &s->avic, sizeof(s->avic),
42 TYPE_IMX_AVIC);
ee708c99 43
51dd12ac 44 sysbus_init_child_obj(obj, "ccm", &s->ccm, sizeof(s->ccm), TYPE_IMX25_CCM);
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45
46 for (i = 0; i < FSL_IMX25_NUM_UARTS; i++) {
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47 sysbus_init_child_obj(obj, "uart[*]", &s->uart[i], sizeof(s->uart[i]),
48 TYPE_IMX_SERIAL);
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49 }
50
51 for (i = 0; i < FSL_IMX25_NUM_GPTS; i++) {
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52 sysbus_init_child_obj(obj, "gpt[*]", &s->gpt[i], sizeof(s->gpt[i]),
53 TYPE_IMX25_GPT);
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54 }
55
56 for (i = 0; i < FSL_IMX25_NUM_EPITS; i++) {
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57 sysbus_init_child_obj(obj, "epit[*]", &s->epit[i], sizeof(s->epit[i]),
58 TYPE_IMX_EPIT);
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59 }
60
51dd12ac 61 sysbus_init_child_obj(obj, "fec", &s->fec, sizeof(s->fec), TYPE_IMX_FEC);
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62
63 for (i = 0; i < FSL_IMX25_NUM_I2CS; i++) {
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64 sysbus_init_child_obj(obj, "i2c[*]", &s->i2c[i], sizeof(s->i2c[i]),
65 TYPE_IMX_I2C);
ee708c99 66 }
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67
68 for (i = 0; i < FSL_IMX25_NUM_GPIOS; i++) {
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69 sysbus_init_child_obj(obj, "gpio[*]", &s->gpio[i], sizeof(s->gpio[i]),
70 TYPE_IMX_GPIO);
6abc7158 71 }
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72}
73
74static void fsl_imx25_realize(DeviceState *dev, Error **errp)
75{
76 FslIMX25State *s = FSL_IMX25(dev);
77 uint8_t i;
78 Error *err = NULL;
79
80 object_property_set_bool(OBJECT(&s->cpu), true, "realized", &err);
81 if (err) {
82 error_propagate(errp, err);
83 return;
84 }
85
86 object_property_set_bool(OBJECT(&s->avic), true, "realized", &err);
87 if (err) {
88 error_propagate(errp, err);
89 return;
90 }
91 sysbus_mmio_map(SYS_BUS_DEVICE(&s->avic), 0, FSL_IMX25_AVIC_ADDR);
92 sysbus_connect_irq(SYS_BUS_DEVICE(&s->avic), 0,
93 qdev_get_gpio_in(DEVICE(&s->cpu), ARM_CPU_IRQ));
94 sysbus_connect_irq(SYS_BUS_DEVICE(&s->avic), 1,
95 qdev_get_gpio_in(DEVICE(&s->cpu), ARM_CPU_FIQ));
96
97 object_property_set_bool(OBJECT(&s->ccm), true, "realized", &err);
98 if (err) {
99 error_propagate(errp, err);
100 return;
101 }
102 sysbus_mmio_map(SYS_BUS_DEVICE(&s->ccm), 0, FSL_IMX25_CCM_ADDR);
103
104 /* Initialize all UARTs */
105 for (i = 0; i < FSL_IMX25_NUM_UARTS; i++) {
106 static const struct {
107 hwaddr addr;
108 unsigned int irq;
109 } serial_table[FSL_IMX25_NUM_UARTS] = {
110 { FSL_IMX25_UART1_ADDR, FSL_IMX25_UART1_IRQ },
111 { FSL_IMX25_UART2_ADDR, FSL_IMX25_UART2_IRQ },
112 { FSL_IMX25_UART3_ADDR, FSL_IMX25_UART3_IRQ },
113 { FSL_IMX25_UART4_ADDR, FSL_IMX25_UART4_IRQ },
114 { FSL_IMX25_UART5_ADDR, FSL_IMX25_UART5_IRQ }
115 };
116
fc38a112 117 qdev_prop_set_chr(DEVICE(&s->uart[i]), "chardev", serial_hd(i));
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118
119 object_property_set_bool(OBJECT(&s->uart[i]), true, "realized", &err);
120 if (err) {
121 error_propagate(errp, err);
122 return;
123 }
124 sysbus_mmio_map(SYS_BUS_DEVICE(&s->uart[i]), 0, serial_table[i].addr);
125 sysbus_connect_irq(SYS_BUS_DEVICE(&s->uart[i]), 0,
126 qdev_get_gpio_in(DEVICE(&s->avic),
127 serial_table[i].irq));
128 }
129
130 /* Initialize all GPT timers */
131 for (i = 0; i < FSL_IMX25_NUM_GPTS; i++) {
132 static const struct {
133 hwaddr addr;
134 unsigned int irq;
135 } gpt_table[FSL_IMX25_NUM_GPTS] = {
136 { FSL_IMX25_GPT1_ADDR, FSL_IMX25_GPT1_IRQ },
137 { FSL_IMX25_GPT2_ADDR, FSL_IMX25_GPT2_IRQ },
138 { FSL_IMX25_GPT3_ADDR, FSL_IMX25_GPT3_IRQ },
139 { FSL_IMX25_GPT4_ADDR, FSL_IMX25_GPT4_IRQ }
140 };
141
cb54d868 142 s->gpt[i].ccm = IMX_CCM(&s->ccm);
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143
144 object_property_set_bool(OBJECT(&s->gpt[i]), true, "realized", &err);
145 if (err) {
146 error_propagate(errp, err);
147 return;
148 }
149 sysbus_mmio_map(SYS_BUS_DEVICE(&s->gpt[i]), 0, gpt_table[i].addr);
150 sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpt[i]), 0,
151 qdev_get_gpio_in(DEVICE(&s->avic),
152 gpt_table[i].irq));
153 }
154
155 /* Initialize all EPIT timers */
156 for (i = 0; i < FSL_IMX25_NUM_EPITS; i++) {
157 static const struct {
158 hwaddr addr;
159 unsigned int irq;
160 } epit_table[FSL_IMX25_NUM_EPITS] = {
161 { FSL_IMX25_EPIT1_ADDR, FSL_IMX25_EPIT1_IRQ },
162 { FSL_IMX25_EPIT2_ADDR, FSL_IMX25_EPIT2_IRQ }
163 };
164
cb54d868 165 s->epit[i].ccm = IMX_CCM(&s->ccm);
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166
167 object_property_set_bool(OBJECT(&s->epit[i]), true, "realized", &err);
168 if (err) {
169 error_propagate(errp, err);
170 return;
171 }
172 sysbus_mmio_map(SYS_BUS_DEVICE(&s->epit[i]), 0, epit_table[i].addr);
173 sysbus_connect_irq(SYS_BUS_DEVICE(&s->epit[i]), 0,
174 qdev_get_gpio_in(DEVICE(&s->avic),
175 epit_table[i].irq));
176 }
177
178 qdev_set_nic_properties(DEVICE(&s->fec), &nd_table[0]);
a699b410 179
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180 object_property_set_bool(OBJECT(&s->fec), true, "realized", &err);
181 if (err) {
182 error_propagate(errp, err);
183 return;
184 }
185 sysbus_mmio_map(SYS_BUS_DEVICE(&s->fec), 0, FSL_IMX25_FEC_ADDR);
186 sysbus_connect_irq(SYS_BUS_DEVICE(&s->fec), 0,
187 qdev_get_gpio_in(DEVICE(&s->avic), FSL_IMX25_FEC_IRQ));
188
189
190 /* Initialize all I2C */
191 for (i = 0; i < FSL_IMX25_NUM_I2CS; i++) {
192 static const struct {
193 hwaddr addr;
194 unsigned int irq;
195 } i2c_table[FSL_IMX25_NUM_I2CS] = {
196 { FSL_IMX25_I2C1_ADDR, FSL_IMX25_I2C1_IRQ },
197 { FSL_IMX25_I2C2_ADDR, FSL_IMX25_I2C2_IRQ },
198 { FSL_IMX25_I2C3_ADDR, FSL_IMX25_I2C3_IRQ }
199 };
200
201 object_property_set_bool(OBJECT(&s->i2c[i]), true, "realized", &err);
202 if (err) {
203 error_propagate(errp, err);
204 return;
205 }
206 sysbus_mmio_map(SYS_BUS_DEVICE(&s->i2c[i]), 0, i2c_table[i].addr);
207 sysbus_connect_irq(SYS_BUS_DEVICE(&s->i2c[i]), 0,
208 qdev_get_gpio_in(DEVICE(&s->avic),
209 i2c_table[i].irq));
210 }
211
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212 /* Initialize all GPIOs */
213 for (i = 0; i < FSL_IMX25_NUM_GPIOS; i++) {
214 static const struct {
215 hwaddr addr;
216 unsigned int irq;
217 } gpio_table[FSL_IMX25_NUM_GPIOS] = {
218 { FSL_IMX25_GPIO1_ADDR, FSL_IMX25_GPIO1_IRQ },
219 { FSL_IMX25_GPIO2_ADDR, FSL_IMX25_GPIO2_IRQ },
220 { FSL_IMX25_GPIO3_ADDR, FSL_IMX25_GPIO3_IRQ },
221 { FSL_IMX25_GPIO4_ADDR, FSL_IMX25_GPIO4_IRQ }
222 };
223
224 object_property_set_bool(OBJECT(&s->gpio[i]), true, "realized", &err);
225 if (err) {
226 error_propagate(errp, err);
227 return;
228 }
229 sysbus_mmio_map(SYS_BUS_DEVICE(&s->gpio[i]), 0, gpio_table[i].addr);
230 /* Connect GPIO IRQ to PIC */
231 sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpio[i]), 0,
232 qdev_get_gpio_in(DEVICE(&s->avic),
233 gpio_table[i].irq));
234 }
235
ee708c99 236 /* initialize 2 x 16 KB ROM */
eda40cc1 237 memory_region_init_rom(&s->rom[0], NULL,
a7aeb5f7 238 "imx25.rom0", FSL_IMX25_ROM0_SIZE, &err);
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239 if (err) {
240 error_propagate(errp, err);
241 return;
242 }
243 memory_region_add_subregion(get_system_memory(), FSL_IMX25_ROM0_ADDR,
244 &s->rom[0]);
eda40cc1 245 memory_region_init_rom(&s->rom[1], NULL,
a7aeb5f7 246 "imx25.rom1", FSL_IMX25_ROM1_SIZE, &err);
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247 if (err) {
248 error_propagate(errp, err);
249 return;
250 }
251 memory_region_add_subregion(get_system_memory(), FSL_IMX25_ROM1_ADDR,
252 &s->rom[1]);
253
254 /* initialize internal RAM (128 KB) */
98a99ce0 255 memory_region_init_ram(&s->iram, NULL, "imx25.iram", FSL_IMX25_IRAM_SIZE,
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256 &err);
257 if (err) {
258 error_propagate(errp, err);
259 return;
260 }
261 memory_region_add_subregion(get_system_memory(), FSL_IMX25_IRAM_ADDR,
262 &s->iram);
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263
264 /* internal RAM (128 KB) is aliased over 128 MB - 128 KB */
265 memory_region_init_alias(&s->iram_alias, NULL, "imx25.iram_alias",
266 &s->iram, 0, FSL_IMX25_IRAM_ALIAS_SIZE);
267 memory_region_add_subregion(get_system_memory(), FSL_IMX25_IRAM_ALIAS_ADDR,
268 &s->iram_alias);
269}
270
271static void fsl_imx25_class_init(ObjectClass *oc, void *data)
272{
273 DeviceClass *dc = DEVICE_CLASS(oc);
274
275 dc->realize = fsl_imx25_realize;
eccfa35e 276 dc->desc = "i.MX25 SOC";
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277 /*
278 * Reason: uses serial_hds in realize and the imx25 board does not
279 * support multiple CPUs
280 */
281 dc->user_creatable = false;
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282}
283
284static const TypeInfo fsl_imx25_type_info = {
285 .name = TYPE_FSL_IMX25,
286 .parent = TYPE_DEVICE,
287 .instance_size = sizeof(FslIMX25State),
288 .instance_init = fsl_imx25_init,
289 .class_init = fsl_imx25_class_init,
290};
291
292static void fsl_imx25_register_types(void)
293{
294 type_register_static(&fsl_imx25_type_info);
295}
296
297type_init(fsl_imx25_register_types)