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558df83d JCD |
1 | /* |
2 | * Copyright (c) 2013 Jean-Christophe Dubois <[email protected]> | |
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 PB |
24 | #include "qemu-common.h" |
25 | #include "cpu.h" | |
558df83d JCD |
26 | #include "hw/arm/fsl-imx31.h" |
27 | #include "sysemu/sysemu.h" | |
28 | #include "exec/address-spaces.h" | |
29 | #include "hw/boards.h" | |
8228e353 | 30 | #include "chardev/char.h" |
558df83d JCD |
31 | |
32 | static void fsl_imx31_init(Object *obj) | |
33 | { | |
34 | FslIMX31State *s = FSL_IMX31(obj); | |
35 | int i; | |
36 | ||
37 | object_initialize(&s->cpu, sizeof(s->cpu), "arm1136-" TYPE_ARM_CPU); | |
38 | ||
39 | object_initialize(&s->avic, sizeof(s->avic), TYPE_IMX_AVIC); | |
40 | qdev_set_parent_bus(DEVICE(&s->avic), sysbus_get_default()); | |
41 | ||
cb54d868 | 42 | object_initialize(&s->ccm, sizeof(s->ccm), TYPE_IMX31_CCM); |
558df83d JCD |
43 | qdev_set_parent_bus(DEVICE(&s->ccm), sysbus_get_default()); |
44 | ||
45 | for (i = 0; i < FSL_IMX31_NUM_UARTS; i++) { | |
46 | object_initialize(&s->uart[i], sizeof(s->uart[i]), TYPE_IMX_SERIAL); | |
47 | qdev_set_parent_bus(DEVICE(&s->uart[i]), sysbus_get_default()); | |
48 | } | |
49 | ||
66542f63 | 50 | object_initialize(&s->gpt, sizeof(s->gpt), TYPE_IMX31_GPT); |
558df83d JCD |
51 | qdev_set_parent_bus(DEVICE(&s->gpt), sysbus_get_default()); |
52 | ||
53 | for (i = 0; i < FSL_IMX31_NUM_EPITS; i++) { | |
54 | object_initialize(&s->epit[i], sizeof(s->epit[i]), TYPE_IMX_EPIT); | |
55 | qdev_set_parent_bus(DEVICE(&s->epit[i]), sysbus_get_default()); | |
56 | } | |
d4e26d10 JCD |
57 | |
58 | for (i = 0; i < FSL_IMX31_NUM_I2CS; i++) { | |
59 | object_initialize(&s->i2c[i], sizeof(s->i2c[i]), TYPE_IMX_I2C); | |
60 | qdev_set_parent_bus(DEVICE(&s->i2c[i]), sysbus_get_default()); | |
61 | } | |
dde0c4ca JCD |
62 | |
63 | for (i = 0; i < FSL_IMX31_NUM_GPIOS; i++) { | |
64 | object_initialize(&s->gpio[i], sizeof(s->gpio[i]), TYPE_IMX_GPIO); | |
65 | qdev_set_parent_bus(DEVICE(&s->gpio[i]), sysbus_get_default()); | |
66 | } | |
558df83d JCD |
67 | } |
68 | ||
69 | static void fsl_imx31_realize(DeviceState *dev, Error **errp) | |
70 | { | |
71 | FslIMX31State *s = FSL_IMX31(dev); | |
72 | uint16_t i; | |
73 | Error *err = NULL; | |
74 | ||
75 | object_property_set_bool(OBJECT(&s->cpu), true, "realized", &err); | |
76 | if (err) { | |
77 | error_propagate(errp, err); | |
78 | return; | |
79 | } | |
80 | ||
81 | object_property_set_bool(OBJECT(&s->avic), true, "realized", &err); | |
82 | if (err) { | |
83 | error_propagate(errp, err); | |
84 | return; | |
85 | } | |
86 | sysbus_mmio_map(SYS_BUS_DEVICE(&s->avic), 0, FSL_IMX31_AVIC_ADDR); | |
87 | sysbus_connect_irq(SYS_BUS_DEVICE(&s->avic), 0, | |
88 | qdev_get_gpio_in(DEVICE(&s->cpu), ARM_CPU_IRQ)); | |
89 | sysbus_connect_irq(SYS_BUS_DEVICE(&s->avic), 1, | |
90 | qdev_get_gpio_in(DEVICE(&s->cpu), ARM_CPU_FIQ)); | |
91 | ||
92 | object_property_set_bool(OBJECT(&s->ccm), true, "realized", &err); | |
93 | if (err) { | |
94 | error_propagate(errp, err); | |
95 | return; | |
96 | } | |
97 | sysbus_mmio_map(SYS_BUS_DEVICE(&s->ccm), 0, FSL_IMX31_CCM_ADDR); | |
98 | ||
99 | /* Initialize all UARTS */ | |
100 | for (i = 0; i < FSL_IMX31_NUM_UARTS; i++) { | |
101 | static const struct { | |
102 | hwaddr addr; | |
103 | unsigned int irq; | |
104 | } serial_table[FSL_IMX31_NUM_UARTS] = { | |
105 | { FSL_IMX31_UART1_ADDR, FSL_IMX31_UART1_IRQ }, | |
106 | { FSL_IMX31_UART2_ADDR, FSL_IMX31_UART2_IRQ }, | |
107 | }; | |
108 | ||
109 | if (i < MAX_SERIAL_PORTS) { | |
0ec7b3e7 | 110 | Chardev *chr; |
558df83d JCD |
111 | |
112 | chr = serial_hds[i]; | |
113 | ||
114 | if (!chr) { | |
115 | char label[20]; | |
116 | snprintf(label, sizeof(label), "imx31.uart%d", i); | |
b4948be9 | 117 | chr = qemu_chr_new(label, "null"); |
558df83d JCD |
118 | } |
119 | ||
120 | qdev_prop_set_chr(DEVICE(&s->uart[i]), "chardev", chr); | |
121 | } | |
122 | ||
123 | object_property_set_bool(OBJECT(&s->uart[i]), true, "realized", &err); | |
124 | if (err) { | |
125 | error_propagate(errp, err); | |
126 | return; | |
127 | } | |
128 | ||
129 | sysbus_mmio_map(SYS_BUS_DEVICE(&s->uart[i]), 0, serial_table[i].addr); | |
130 | sysbus_connect_irq(SYS_BUS_DEVICE(&s->uart[i]), 0, | |
131 | qdev_get_gpio_in(DEVICE(&s->avic), | |
132 | serial_table[i].irq)); | |
133 | } | |
134 | ||
cb54d868 | 135 | s->gpt.ccm = IMX_CCM(&s->ccm); |
558df83d JCD |
136 | |
137 | object_property_set_bool(OBJECT(&s->gpt), true, "realized", &err); | |
138 | if (err) { | |
139 | error_propagate(errp, err); | |
140 | return; | |
141 | } | |
142 | ||
143 | sysbus_mmio_map(SYS_BUS_DEVICE(&s->gpt), 0, FSL_IMX31_GPT_ADDR); | |
144 | sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpt), 0, | |
145 | qdev_get_gpio_in(DEVICE(&s->avic), FSL_IMX31_GPT_IRQ)); | |
146 | ||
147 | /* Initialize all EPIT timers */ | |
148 | for (i = 0; i < FSL_IMX31_NUM_EPITS; i++) { | |
149 | static const struct { | |
150 | hwaddr addr; | |
151 | unsigned int irq; | |
152 | } epit_table[FSL_IMX31_NUM_EPITS] = { | |
153 | { FSL_IMX31_EPIT1_ADDR, FSL_IMX31_EPIT1_IRQ }, | |
154 | { FSL_IMX31_EPIT2_ADDR, FSL_IMX31_EPIT2_IRQ }, | |
155 | }; | |
156 | ||
cb54d868 | 157 | s->epit[i].ccm = IMX_CCM(&s->ccm); |
558df83d JCD |
158 | |
159 | object_property_set_bool(OBJECT(&s->epit[i]), true, "realized", &err); | |
160 | if (err) { | |
161 | error_propagate(errp, err); | |
162 | return; | |
163 | } | |
164 | ||
165 | sysbus_mmio_map(SYS_BUS_DEVICE(&s->epit[i]), 0, epit_table[i].addr); | |
166 | sysbus_connect_irq(SYS_BUS_DEVICE(&s->epit[i]), 0, | |
167 | qdev_get_gpio_in(DEVICE(&s->avic), | |
168 | epit_table[i].irq)); | |
169 | } | |
d4e26d10 JCD |
170 | |
171 | /* Initialize all I2C */ | |
172 | for (i = 0; i < FSL_IMX31_NUM_I2CS; i++) { | |
173 | static const struct { | |
174 | hwaddr addr; | |
175 | unsigned int irq; | |
176 | } i2c_table[FSL_IMX31_NUM_I2CS] = { | |
177 | { FSL_IMX31_I2C1_ADDR, FSL_IMX31_I2C1_IRQ }, | |
178 | { FSL_IMX31_I2C2_ADDR, FSL_IMX31_I2C2_IRQ }, | |
179 | { FSL_IMX31_I2C3_ADDR, FSL_IMX31_I2C3_IRQ } | |
180 | }; | |
181 | ||
182 | /* Initialize the I2C */ | |
183 | object_property_set_bool(OBJECT(&s->i2c[i]), true, "realized", &err); | |
184 | if (err) { | |
185 | error_propagate(errp, err); | |
186 | return; | |
187 | } | |
188 | /* Map I2C memory */ | |
189 | sysbus_mmio_map(SYS_BUS_DEVICE(&s->i2c[i]), 0, i2c_table[i].addr); | |
190 | /* Connect I2C IRQ to PIC */ | |
191 | sysbus_connect_irq(SYS_BUS_DEVICE(&s->i2c[i]), 0, | |
192 | qdev_get_gpio_in(DEVICE(&s->avic), | |
193 | i2c_table[i].irq)); | |
194 | } | |
dde0c4ca JCD |
195 | |
196 | /* Initialize all GPIOs */ | |
197 | for (i = 0; i < FSL_IMX31_NUM_GPIOS; i++) { | |
198 | static const struct { | |
199 | hwaddr addr; | |
200 | unsigned int irq; | |
201 | } gpio_table[FSL_IMX31_NUM_GPIOS] = { | |
202 | { FSL_IMX31_GPIO1_ADDR, FSL_IMX31_GPIO1_IRQ }, | |
203 | { FSL_IMX31_GPIO2_ADDR, FSL_IMX31_GPIO2_IRQ }, | |
204 | { FSL_IMX31_GPIO3_ADDR, FSL_IMX31_GPIO3_IRQ } | |
205 | }; | |
206 | ||
207 | object_property_set_bool(OBJECT(&s->gpio[i]), false, "has-edge-sel", | |
208 | &error_abort); | |
209 | object_property_set_bool(OBJECT(&s->gpio[i]), true, "realized", &err); | |
210 | if (err) { | |
211 | error_propagate(errp, err); | |
212 | return; | |
213 | } | |
214 | sysbus_mmio_map(SYS_BUS_DEVICE(&s->gpio[i]), 0, gpio_table[i].addr); | |
215 | /* Connect GPIO IRQ to PIC */ | |
216 | sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpio[i]), 0, | |
217 | qdev_get_gpio_in(DEVICE(&s->avic), | |
218 | gpio_table[i].irq)); | |
219 | } | |
558df83d JCD |
220 | |
221 | /* On a real system, the first 16k is a `secure boot rom' */ | |
eda40cc1 | 222 | memory_region_init_rom(&s->secure_rom, NULL, "imx31.secure_rom", |
a7aeb5f7 | 223 | FSL_IMX31_SECURE_ROM_SIZE, &err); |
558df83d JCD |
224 | if (err) { |
225 | error_propagate(errp, err); | |
226 | return; | |
227 | } | |
228 | memory_region_add_subregion(get_system_memory(), FSL_IMX31_SECURE_ROM_ADDR, | |
229 | &s->secure_rom); | |
230 | ||
231 | /* There is also a 16k ROM */ | |
eda40cc1 | 232 | memory_region_init_rom(&s->rom, NULL, "imx31.rom", |
a7aeb5f7 | 233 | FSL_IMX31_ROM_SIZE, &err); |
558df83d JCD |
234 | if (err) { |
235 | error_propagate(errp, err); | |
236 | return; | |
237 | } | |
238 | memory_region_add_subregion(get_system_memory(), FSL_IMX31_ROM_ADDR, | |
239 | &s->rom); | |
240 | ||
241 | /* initialize internal RAM (16 KB) */ | |
98a99ce0 | 242 | memory_region_init_ram(&s->iram, NULL, "imx31.iram", FSL_IMX31_IRAM_SIZE, |
558df83d JCD |
243 | &err); |
244 | if (err) { | |
245 | error_propagate(errp, err); | |
246 | return; | |
247 | } | |
248 | memory_region_add_subregion(get_system_memory(), FSL_IMX31_IRAM_ADDR, | |
249 | &s->iram); | |
558df83d JCD |
250 | |
251 | /* internal RAM (16 KB) is aliased over 256 MB - 16 KB */ | |
252 | memory_region_init_alias(&s->iram_alias, NULL, "imx31.iram_alias", | |
253 | &s->iram, 0, FSL_IMX31_IRAM_ALIAS_SIZE); | |
254 | memory_region_add_subregion(get_system_memory(), FSL_IMX31_IRAM_ALIAS_ADDR, | |
255 | &s->iram_alias); | |
256 | } | |
257 | ||
258 | static void fsl_imx31_class_init(ObjectClass *oc, void *data) | |
259 | { | |
260 | DeviceClass *dc = DEVICE_CLASS(oc); | |
261 | ||
262 | dc->realize = fsl_imx31_realize; | |
eccfa35e | 263 | dc->desc = "i.MX31 SOC"; |
e4e05b7b TH |
264 | /* |
265 | * Reason: uses serial_hds in realize and the kzm board does not | |
266 | * support multiple CPUs | |
267 | */ | |
268 | dc->user_creatable = false; | |
558df83d JCD |
269 | } |
270 | ||
271 | static const TypeInfo fsl_imx31_type_info = { | |
272 | .name = TYPE_FSL_IMX31, | |
273 | .parent = TYPE_DEVICE, | |
274 | .instance_size = sizeof(FslIMX31State), | |
275 | .instance_init = fsl_imx31_init, | |
276 | .class_init = fsl_imx31_class_init, | |
277 | }; | |
278 | ||
279 | static void fsl_imx31_register_types(void) | |
280 | { | |
281 | type_register_static(&fsl_imx31_type_info); | |
282 | } | |
283 | ||
284 | type_init(fsl_imx31_register_types) |