]> Git Repo - qemu.git/blame - hw/lm32/lm32_boards.c
hw/ppc/prep.c: Fix misusing qemu_allocate_irqs for single irq
[qemu.git] / hw / lm32 / lm32_boards.c
CommitLineData
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1/*
2 * QEMU models for LatticeMico32 uclinux and evr32 boards.
3 *
4 * Copyright (c) 2010 Michael Walle <[email protected]>
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
18 */
19
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20#include "hw/sysbus.h"
21#include "hw/hw.h"
0d09e41a 22#include "hw/block/flash.h"
bd2be150 23#include "hw/devices.h"
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24#include "hw/boards.h"
25#include "hw/loader.h"
fa1d36df 26#include "sysemu/block-backend.h"
d821732a 27#include "elf.h"
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28#include "lm32_hwsetup.h"
29#include "lm32.h"
022c62cb 30#include "exec/address-spaces.h"
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31
32typedef struct {
b1435596 33 LM32CPU *cpu;
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34 hwaddr bootstrap_pc;
35 hwaddr flash_base;
36 hwaddr hwsetup_base;
37 hwaddr initrd_base;
d821732a 38 size_t initrd_size;
a8170e5e 39 hwaddr cmdline_base;
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40} ResetInfo;
41
42static void cpu_irq_handler(void *opaque, int irq, int level)
43{
d8ed887b 44 LM32CPU *cpu = opaque;
d8ed887b 45 CPUState *cs = CPU(cpu);
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46
47 if (level) {
c3affe56 48 cpu_interrupt(cs, CPU_INTERRUPT_HARD);
d821732a 49 } else {
d8ed887b 50 cpu_reset_interrupt(cs, CPU_INTERRUPT_HARD);
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51 }
52}
53
54static void main_cpu_reset(void *opaque)
55{
56 ResetInfo *reset_info = opaque;
b1435596 57 CPULM32State *env = &reset_info->cpu->env;
d821732a 58
b1435596 59 cpu_reset(CPU(reset_info->cpu));
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60
61 /* init defaults */
62 env->pc = (uint32_t)reset_info->bootstrap_pc;
63 env->regs[R_R1] = (uint32_t)reset_info->hwsetup_base;
64 env->regs[R_R2] = (uint32_t)reset_info->cmdline_base;
65 env->regs[R_R3] = (uint32_t)reset_info->initrd_base;
66 env->regs[R_R4] = (uint32_t)(reset_info->initrd_base +
67 reset_info->initrd_size);
68 env->eba = reset_info->flash_base;
69 env->deba = reset_info->flash_base;
70}
71
3ef96221 72static void lm32_evr_init(MachineState *machine)
d821732a 73{
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74 const char *cpu_model = machine->cpu_model;
75 const char *kernel_filename = machine->kernel_filename;
47dc4fa2 76 LM32CPU *cpu;
93a67402 77 CPULM32State *env;
d821732a 78 DriveInfo *dinfo;
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79 MemoryRegion *address_space_mem = get_system_memory();
80 MemoryRegion *phys_ram = g_new(MemoryRegion, 1);
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81 qemu_irq *cpu_irq, irq[32];
82 ResetInfo *reset_info;
83 int i;
84
85 /* memory map */
a8170e5e 86 hwaddr flash_base = 0x04000000;
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87 size_t flash_sector_size = 256 * 1024;
88 size_t flash_size = 32 * 1024 * 1024;
a8170e5e 89 hwaddr ram_base = 0x08000000;
d821732a 90 size_t ram_size = 64 * 1024 * 1024;
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91 hwaddr timer0_base = 0x80002000;
92 hwaddr uart0_base = 0x80006000;
93 hwaddr timer1_base = 0x8000a000;
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94 int uart0_irq = 0;
95 int timer0_irq = 1;
96 int timer1_irq = 3;
97
7267c094 98 reset_info = g_malloc0(sizeof(ResetInfo));
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99
100 if (cpu_model == NULL) {
101 cpu_model = "lm32-full";
102 }
47dc4fa2 103 cpu = cpu_lm32_init(cpu_model);
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104 if (cpu == NULL) {
105 fprintf(stderr, "qemu: unable to find CPU '%s'\n", cpu_model);
106 exit(1);
107 }
108
47dc4fa2 109 env = &cpu->env;
b1435596 110 reset_info->cpu = cpu;
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111
112 reset_info->flash_base = flash_base;
113
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114 memory_region_allocate_system_memory(phys_ram, NULL, "lm32_evr.sdram",
115 ram_size);
88fa8031 116 memory_region_add_subregion(address_space_mem, ram_base, phys_ram);
d821732a 117
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118 dinfo = drive_get(IF_PFLASH, 0, 0);
119 /* Spansion S29NS128P */
cfe5f011 120 pflash_cfi02_register(flash_base, NULL, "lm32_evr.flash", flash_size,
4be74634 121 dinfo ? blk_by_legacy_dinfo(dinfo) : NULL,
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122 flash_sector_size, flash_size / flash_sector_size,
123 1, 2, 0x01, 0x7e, 0x43, 0x00, 0x555, 0x2aa, 1);
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124
125 /* create irq lines */
d8ed887b 126 cpu_irq = qemu_allocate_irqs(cpu_irq_handler, cpu, 1);
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127 env->pic_state = lm32_pic_init(*cpu_irq);
128 for (i = 0; i < 32; i++) {
129 irq[i] = qdev_get_gpio_in(env->pic_state, i);
130 }
131
132 sysbus_create_simple("lm32-uart", uart0_base, irq[uart0_irq]);
133 sysbus_create_simple("lm32-timer", timer0_base, irq[timer0_irq]);
134 sysbus_create_simple("lm32-timer", timer1_base, irq[timer1_irq]);
135
136 /* make sure juart isn't the first chardev */
137 env->juart_state = lm32_juart_init();
138
139 reset_info->bootstrap_pc = flash_base;
140
141 if (kernel_filename) {
142 uint64_t entry;
143 int kernel_size;
144
145 kernel_size = load_elf(kernel_filename, NULL, NULL, &entry, NULL, NULL,
146 1, ELF_MACHINE, 0);
147 reset_info->bootstrap_pc = entry;
148
149 if (kernel_size < 0) {
150 kernel_size = load_image_targphys(kernel_filename, ram_base,
151 ram_size);
152 reset_info->bootstrap_pc = ram_base;
153 }
154
155 if (kernel_size < 0) {
156 fprintf(stderr, "qemu: could not load kernel '%s'\n",
157 kernel_filename);
158 exit(1);
159 }
160 }
161
162 qemu_register_reset(main_cpu_reset, reset_info);
163}
164
3ef96221 165static void lm32_uclinux_init(MachineState *machine)
d821732a 166{
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167 const char *cpu_model = machine->cpu_model;
168 const char *kernel_filename = machine->kernel_filename;
169 const char *kernel_cmdline = machine->kernel_cmdline;
170 const char *initrd_filename = machine->initrd_filename;
47dc4fa2 171 LM32CPU *cpu;
93a67402 172 CPULM32State *env;
d821732a 173 DriveInfo *dinfo;
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174 MemoryRegion *address_space_mem = get_system_memory();
175 MemoryRegion *phys_ram = g_new(MemoryRegion, 1);
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176 qemu_irq *cpu_irq, irq[32];
177 HWSetup *hw;
178 ResetInfo *reset_info;
179 int i;
180
181 /* memory map */
a8170e5e 182 hwaddr flash_base = 0x04000000;
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183 size_t flash_sector_size = 256 * 1024;
184 size_t flash_size = 32 * 1024 * 1024;
a8170e5e 185 hwaddr ram_base = 0x08000000;
d821732a 186 size_t ram_size = 64 * 1024 * 1024;
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187 hwaddr uart0_base = 0x80000000;
188 hwaddr timer0_base = 0x80002000;
189 hwaddr timer1_base = 0x80010000;
190 hwaddr timer2_base = 0x80012000;
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191 int uart0_irq = 0;
192 int timer0_irq = 1;
193 int timer1_irq = 20;
194 int timer2_irq = 21;
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195 hwaddr hwsetup_base = 0x0bffe000;
196 hwaddr cmdline_base = 0x0bfff000;
197 hwaddr initrd_base = 0x08400000;
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198 size_t initrd_max = 0x01000000;
199
7267c094 200 reset_info = g_malloc0(sizeof(ResetInfo));
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201
202 if (cpu_model == NULL) {
203 cpu_model = "lm32-full";
204 }
47dc4fa2 205 cpu = cpu_lm32_init(cpu_model);
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206 if (cpu == NULL) {
207 fprintf(stderr, "qemu: unable to find CPU '%s'\n", cpu_model);
208 exit(1);
209 }
210
47dc4fa2 211 env = &cpu->env;
b1435596 212 reset_info->cpu = cpu;
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213
214 reset_info->flash_base = flash_base;
215
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216 memory_region_allocate_system_memory(phys_ram, NULL,
217 "lm32_uclinux.sdram", ram_size);
88fa8031 218 memory_region_add_subregion(address_space_mem, ram_base, phys_ram);
d821732a 219
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220 dinfo = drive_get(IF_PFLASH, 0, 0);
221 /* Spansion S29NS128P */
cfe5f011 222 pflash_cfi02_register(flash_base, NULL, "lm32_uclinux.flash", flash_size,
4be74634 223 dinfo ? blk_by_legacy_dinfo(dinfo) : NULL,
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224 flash_sector_size, flash_size / flash_sector_size,
225 1, 2, 0x01, 0x7e, 0x43, 0x00, 0x555, 0x2aa, 1);
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226
227 /* create irq lines */
228 cpu_irq = qemu_allocate_irqs(cpu_irq_handler, env, 1);
229 env->pic_state = lm32_pic_init(*cpu_irq);
230 for (i = 0; i < 32; i++) {
231 irq[i] = qdev_get_gpio_in(env->pic_state, i);
232 }
233
234 sysbus_create_simple("lm32-uart", uart0_base, irq[uart0_irq]);
235 sysbus_create_simple("lm32-timer", timer0_base, irq[timer0_irq]);
236 sysbus_create_simple("lm32-timer", timer1_base, irq[timer1_irq]);
237 sysbus_create_simple("lm32-timer", timer2_base, irq[timer2_irq]);
238
239 /* make sure juart isn't the first chardev */
240 env->juart_state = lm32_juart_init();
241
242 reset_info->bootstrap_pc = flash_base;
243
244 if (kernel_filename) {
245 uint64_t entry;
246 int kernel_size;
247
248 kernel_size = load_elf(kernel_filename, NULL, NULL, &entry, NULL, NULL,
249 1, ELF_MACHINE, 0);
250 reset_info->bootstrap_pc = entry;
251
252 if (kernel_size < 0) {
253 kernel_size = load_image_targphys(kernel_filename, ram_base,
254 ram_size);
255 reset_info->bootstrap_pc = ram_base;
256 }
257
258 if (kernel_size < 0) {
259 fprintf(stderr, "qemu: could not load kernel '%s'\n",
260 kernel_filename);
261 exit(1);
262 }
263 }
264
265 /* generate a rom with the hardware description */
266 hw = hwsetup_init();
267 hwsetup_add_cpu(hw, "LM32", 75000000);
268 hwsetup_add_flash(hw, "flash", flash_base, flash_size);
269 hwsetup_add_ddr_sdram(hw, "ddr_sdram", ram_base, ram_size);
270 hwsetup_add_timer(hw, "timer0", timer0_base, timer0_irq);
271 hwsetup_add_timer(hw, "timer1_dev_only", timer1_base, timer1_irq);
272 hwsetup_add_timer(hw, "timer2_dev_only", timer2_base, timer2_irq);
273 hwsetup_add_uart(hw, "uart", uart0_base, uart0_irq);
274 hwsetup_add_trailer(hw);
275 hwsetup_create_rom(hw, hwsetup_base);
276 hwsetup_free(hw);
277
278 reset_info->hwsetup_base = hwsetup_base;
279
280 if (kernel_cmdline && strlen(kernel_cmdline)) {
281 pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE,
282 kernel_cmdline);
283 reset_info->cmdline_base = cmdline_base;
284 }
285
286 if (initrd_filename) {
287 size_t initrd_size;
288 initrd_size = load_image_targphys(initrd_filename, initrd_base,
289 initrd_max);
290 reset_info->initrd_base = initrd_base;
291 reset_info->initrd_size = initrd_size;
292 }
293
294 qemu_register_reset(main_cpu_reset, reset_info);
295}
296
297static QEMUMachine lm32_evr_machine = {
298 .name = "lm32-evr",
299 .desc = "LatticeMico32 EVR32 eval system",
300 .init = lm32_evr_init,
e4ada29e 301 .is_default = 1,
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302};
303
304static QEMUMachine lm32_uclinux_machine = {
305 .name = "lm32-uclinux",
306 .desc = "lm32 platform for uClinux and u-boot by Theobroma Systems",
307 .init = lm32_uclinux_init,
e4ada29e 308 .is_default = 0,
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309};
310
311static void lm32_machine_init(void)
312{
313 qemu_register_machine(&lm32_uclinux_machine);
314 qemu_register_machine(&lm32_evr_machine);
315}
316
317machine_init(lm32_machine_init);
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