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Commit | Line | Data |
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1db09b84 | 1 | /* |
5cbdb3a3 | 2 | * QEMU PowerPC MPC8544DS board emulation |
1db09b84 AJ |
3 | * |
4 | * Copyright (C) 2009 Freescale Semiconductor, Inc. All rights reserved. | |
5 | * | |
6 | * Author: Yu Liu, <yu.liu@freescale.com> | |
7 | * | |
8 | * This file is derived from hw/ppc440_bamboo.c, | |
9 | * the copyright for that material belongs to the original owners. | |
10 | * | |
11 | * This is free software; you can redistribute it and/or modify | |
12 | * it under the terms of the GNU General Public License as published by | |
13 | * the Free Software Foundation; either version 2 of the License, or | |
14 | * (at your option) any later version. | |
15 | */ | |
16 | ||
1db09b84 AJ |
17 | #include "config.h" |
18 | #include "qemu-common.h" | |
19 | #include "net.h" | |
20 | #include "hw.h" | |
21 | #include "pc.h" | |
22 | #include "pci.h" | |
1db09b84 AJ |
23 | #include "boards.h" |
24 | #include "sysemu.h" | |
25 | #include "kvm.h" | |
26 | #include "kvm_ppc.h" | |
27 | #include "device_tree.h" | |
28 | #include "openpic.h" | |
3b989d49 | 29 | #include "ppc.h" |
ca20cf32 BS |
30 | #include "loader.h" |
31 | #include "elf.h" | |
be13cc7a | 32 | #include "sysbus.h" |
39186d8a | 33 | #include "exec-memory.h" |
cba2026a | 34 | #include "host-utils.h" |
1db09b84 AJ |
35 | |
36 | #define BINARY_DEVICE_TREE_FILE "mpc8544ds.dtb" | |
37 | #define UIMAGE_LOAD_BASE 0 | |
75bb6589 LY |
38 | #define DTC_LOAD_PAD 0x500000 |
39 | #define DTC_PAD_MASK 0xFFFFF | |
40 | #define INITRD_LOAD_PAD 0x2000000 | |
41 | #define INITRD_PAD_MASK 0xFFFFFF | |
1db09b84 AJ |
42 | |
43 | #define RAM_SIZES_ALIGN (64UL << 20) | |
44 | ||
ed2bc496 AG |
45 | #define MPC8544_CCSRBAR_BASE 0xE0000000ULL |
46 | #define MPC8544_CCSRBAR_SIZE 0x00100000ULL | |
47 | #define MPC8544_MPIC_REGS_BASE (MPC8544_CCSRBAR_BASE + 0x40000ULL) | |
48 | #define MPC8544_SERIAL0_REGS_BASE (MPC8544_CCSRBAR_BASE + 0x4500ULL) | |
49 | #define MPC8544_SERIAL1_REGS_BASE (MPC8544_CCSRBAR_BASE + 0x4600ULL) | |
50 | #define MPC8544_PCI_REGS_BASE (MPC8544_CCSRBAR_BASE + 0x8000ULL) | |
51 | #define MPC8544_PCI_REGS_SIZE 0x1000ULL | |
52 | #define MPC8544_PCI_IO 0xE1000000ULL | |
53 | #define MPC8544_PCI_IOLEN 0x10000ULL | |
54 | #define MPC8544_UTIL_BASE (MPC8544_CCSRBAR_BASE + 0xe0000ULL) | |
55 | #define MPC8544_SPIN_BASE 0xEF000000ULL | |
1db09b84 | 56 | |
3b989d49 AG |
57 | struct boot_info |
58 | { | |
59 | uint32_t dt_base; | |
cba2026a | 60 | uint32_t dt_size; |
3b989d49 AG |
61 | uint32_t entry; |
62 | }; | |
63 | ||
0dbc0798 AG |
64 | static void pci_map_create(void *fdt, uint32_t *pci_map, uint32_t mpic) |
65 | { | |
66 | int i; | |
67 | const uint32_t tmp[] = { | |
68 | /* IDSEL 0x11 J17 Slot 1 */ | |
518c7fb4 AG |
69 | 0x8800, 0x0, 0x0, 0x1, mpic, 0x2, 0x1, 0x0, 0x0, |
70 | 0x8800, 0x0, 0x0, 0x2, mpic, 0x3, 0x1, 0x0, 0x0, | |
71 | 0x8800, 0x0, 0x0, 0x3, mpic, 0x4, 0x1, 0x0, 0x0, | |
72 | 0x8800, 0x0, 0x0, 0x4, mpic, 0x1, 0x1, 0x0, 0x0, | |
0dbc0798 AG |
73 | |
74 | /* IDSEL 0x12 J16 Slot 2 */ | |
518c7fb4 AG |
75 | 0x9000, 0x0, 0x0, 0x1, mpic, 0x3, 0x1, 0x0, 0x0, |
76 | 0x9000, 0x0, 0x0, 0x2, mpic, 0x4, 0x1, 0x0, 0x0, | |
77 | 0x9000, 0x0, 0x0, 0x3, mpic, 0x2, 0x1, 0x0, 0x0, | |
78 | 0x9000, 0x0, 0x0, 0x4, mpic, 0x1, 0x1, 0x0, 0x0, | |
0dbc0798 | 79 | }; |
518c7fb4 | 80 | for (i = 0; i < ARRAY_SIZE(tmp); i++) { |
0dbc0798 AG |
81 | pci_map[i] = cpu_to_be32(tmp[i]); |
82 | } | |
83 | } | |
84 | ||
a053a7ce AG |
85 | static void dt_serial_create(void *fdt, unsigned long long offset, |
86 | const char *soc, const char *mpic, | |
87 | const char *alias, int idx, bool defcon) | |
88 | { | |
89 | char ser[128]; | |
90 | ||
91 | snprintf(ser, sizeof(ser), "%s/serial@%llx", soc, offset); | |
92 | qemu_devtree_add_subnode(fdt, ser); | |
93 | qemu_devtree_setprop_string(fdt, ser, "device_type", "serial"); | |
94 | qemu_devtree_setprop_string(fdt, ser, "compatible", "ns16550"); | |
95 | qemu_devtree_setprop_cells(fdt, ser, "reg", offset, 0x100); | |
96 | qemu_devtree_setprop_cell(fdt, ser, "cell-index", idx); | |
97 | qemu_devtree_setprop_cell(fdt, ser, "clock-frequency", 0); | |
98 | qemu_devtree_setprop_cells(fdt, ser, "interrupts", 42, 2, 0, 0); | |
99 | qemu_devtree_setprop_phandle(fdt, ser, "interrupt-parent", mpic); | |
100 | qemu_devtree_setprop_string(fdt, "/aliases", alias, ser); | |
101 | ||
102 | if (defcon) { | |
103 | qemu_devtree_setprop_string(fdt, "/chosen", "linux,stdout-path", ser); | |
104 | } | |
105 | } | |
106 | ||
e2684c0b | 107 | static int mpc8544_load_device_tree(CPUPPCState *env, |
5de6b46d | 108 | target_phys_addr_t addr, |
7f47b41f | 109 | target_phys_addr_t ramsize, |
5de6b46d AG |
110 | target_phys_addr_t initrd_base, |
111 | target_phys_addr_t initrd_size, | |
112 | const char *kernel_cmdline) | |
1db09b84 | 113 | { |
dbf916d8 | 114 | int ret = -1; |
3627757e | 115 | uint64_t mem_reg_property[] = { 0, cpu_to_be64(ramsize) }; |
7ec632b4 | 116 | int fdt_size; |
dbf916d8 | 117 | void *fdt; |
5de6b46d | 118 | uint8_t hypercall[16]; |
911d6e7a AG |
119 | uint32_t clock_freq = 400000000; |
120 | uint32_t tb_freq = 400000000; | |
621d05e3 | 121 | int i; |
caedc737 AG |
122 | const char *compatible = "MPC8544DS\0MPC85xxDS"; |
123 | int compatible_len = sizeof("MPC8544DS\0MPC85xxDS"); | |
ebb9518a | 124 | char compatible_sb[] = "fsl,mpc8544-immr\0simple-bus"; |
51b852b7 | 125 | char model[] = "MPC8544DS"; |
5da96624 | 126 | char soc[128]; |
19ac9dea AG |
127 | char mpic[128]; |
128 | uint32_t mpic_ph; | |
f5038483 | 129 | char gutil[128]; |
0dbc0798 | 130 | char pci[128]; |
518c7fb4 | 131 | uint32_t pci_map[9 * 8]; |
3627757e AG |
132 | uint32_t pci_ranges[14] = |
133 | { | |
134 | 0x2000000, 0x0, 0xc0000000, | |
135 | 0x0, 0xc0000000, | |
136 | 0x0, 0x20000000, | |
137 | ||
138 | 0x1000000, 0x0, 0x0, | |
139 | 0x0, 0xe1000000, | |
140 | 0x0, 0x10000, | |
141 | }; | |
25b42708 AG |
142 | QemuOpts *machine_opts; |
143 | const char *dumpdtb = NULL; | |
d1b93565 AG |
144 | const char *dtb_file = NULL; |
145 | ||
146 | machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0); | |
147 | if (machine_opts) { | |
caedc737 | 148 | const char *tmp; |
d1b93565 AG |
149 | dumpdtb = qemu_opt_get(machine_opts, "dumpdtb"); |
150 | dtb_file = qemu_opt_get(machine_opts, "dtb"); | |
caedc737 AG |
151 | tmp = qemu_opt_get(machine_opts, "dt_compatible"); |
152 | if (tmp) { | |
153 | compatible = tmp; | |
154 | compatible_len = strlen(compatible) + 1; | |
155 | } | |
d1b93565 AG |
156 | } |
157 | ||
158 | if (dtb_file) { | |
159 | char *filename; | |
160 | filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, dtb_file); | |
161 | if (!filename) { | |
162 | goto out; | |
163 | } | |
164 | ||
165 | fdt = load_device_tree(filename, &fdt_size); | |
166 | if (!fdt) { | |
167 | goto out; | |
168 | } | |
169 | goto done; | |
170 | } | |
1db09b84 | 171 | |
2636fcb6 | 172 | fdt = create_device_tree(&fdt_size); |
5cea8590 PB |
173 | if (fdt == NULL) { |
174 | goto out; | |
175 | } | |
1db09b84 AJ |
176 | |
177 | /* Manipulate device tree in memory. */ | |
51b852b7 | 178 | qemu_devtree_setprop_string(fdt, "/", "model", model); |
caedc737 | 179 | qemu_devtree_setprop(fdt, "/", "compatible", compatible, compatible_len); |
3627757e AG |
180 | qemu_devtree_setprop_cell(fdt, "/", "#address-cells", 2); |
181 | qemu_devtree_setprop_cell(fdt, "/", "#size-cells", 2); | |
51b852b7 | 182 | |
dd0bcfca AG |
183 | qemu_devtree_add_subnode(fdt, "/memory"); |
184 | qemu_devtree_setprop_string(fdt, "/memory", "device_type", "memory"); | |
185 | qemu_devtree_setprop(fdt, "/memory", "reg", mem_reg_property, | |
186 | sizeof(mem_reg_property)); | |
1db09b84 | 187 | |
f5231aaf | 188 | qemu_devtree_add_subnode(fdt, "/chosen"); |
3b989d49 AG |
189 | if (initrd_size) { |
190 | ret = qemu_devtree_setprop_cell(fdt, "/chosen", "linux,initrd-start", | |
191 | initrd_base); | |
192 | if (ret < 0) { | |
193 | fprintf(stderr, "couldn't set /chosen/linux,initrd-start\n"); | |
194 | } | |
1db09b84 | 195 | |
3b989d49 AG |
196 | ret = qemu_devtree_setprop_cell(fdt, "/chosen", "linux,initrd-end", |
197 | (initrd_base + initrd_size)); | |
198 | if (ret < 0) { | |
199 | fprintf(stderr, "couldn't set /chosen/linux,initrd-end\n"); | |
200 | } | |
201 | } | |
1db09b84 AJ |
202 | |
203 | ret = qemu_devtree_setprop_string(fdt, "/chosen", "bootargs", | |
204 | kernel_cmdline); | |
205 | if (ret < 0) | |
206 | fprintf(stderr, "couldn't set /chosen/bootargs\n"); | |
207 | ||
208 | if (kvm_enabled()) { | |
911d6e7a AG |
209 | /* Read out host's frequencies */ |
210 | clock_freq = kvmppc_get_clockfreq(); | |
211 | tb_freq = kvmppc_get_tbfreq(); | |
5de6b46d AG |
212 | |
213 | /* indicate KVM hypercall interface */ | |
d50f71a5 | 214 | qemu_devtree_add_subnode(fdt, "/hypervisor"); |
5de6b46d AG |
215 | qemu_devtree_setprop_string(fdt, "/hypervisor", "compatible", |
216 | "linux,kvm"); | |
217 | kvmppc_get_hypercall(env, hypercall, sizeof(hypercall)); | |
218 | qemu_devtree_setprop(fdt, "/hypervisor", "hcall-instructions", | |
219 | hypercall, sizeof(hypercall)); | |
1db09b84 | 220 | } |
3b989d49 | 221 | |
625e665b AG |
222 | /* Create CPU nodes */ |
223 | qemu_devtree_add_subnode(fdt, "/cpus"); | |
224 | qemu_devtree_setprop_cell(fdt, "/cpus", "#address-cells", 1); | |
225 | qemu_devtree_setprop_cell(fdt, "/cpus", "#size-cells", 0); | |
226 | ||
1e3debf0 AG |
227 | /* We need to generate the cpu nodes in reverse order, so Linux can pick |
228 | the first node as boot node and be happy */ | |
229 | for (i = smp_cpus - 1; i >= 0; i--) { | |
621d05e3 | 230 | char cpu_name[128]; |
1d2e5c52 | 231 | uint64_t cpu_release_addr = MPC8544_SPIN_BASE + (i * 0x20); |
10f25a46 | 232 | |
1e3debf0 AG |
233 | for (env = first_cpu; env != NULL; env = env->next_cpu) { |
234 | if (env->cpu_index == i) { | |
235 | break; | |
236 | } | |
237 | } | |
238 | ||
239 | if (!env) { | |
240 | continue; | |
241 | } | |
242 | ||
243 | snprintf(cpu_name, sizeof(cpu_name), "/cpus/PowerPC,8544@%x", env->cpu_index); | |
244 | qemu_devtree_add_subnode(fdt, cpu_name); | |
621d05e3 AG |
245 | qemu_devtree_setprop_cell(fdt, cpu_name, "clock-frequency", clock_freq); |
246 | qemu_devtree_setprop_cell(fdt, cpu_name, "timebase-frequency", tb_freq); | |
1e3debf0 AG |
247 | qemu_devtree_setprop_string(fdt, cpu_name, "device_type", "cpu"); |
248 | qemu_devtree_setprop_cell(fdt, cpu_name, "reg", env->cpu_index); | |
249 | qemu_devtree_setprop_cell(fdt, cpu_name, "d-cache-line-size", | |
250 | env->dcache_line_size); | |
251 | qemu_devtree_setprop_cell(fdt, cpu_name, "i-cache-line-size", | |
252 | env->icache_line_size); | |
253 | qemu_devtree_setprop_cell(fdt, cpu_name, "d-cache-size", 0x8000); | |
254 | qemu_devtree_setprop_cell(fdt, cpu_name, "i-cache-size", 0x8000); | |
255 | qemu_devtree_setprop_cell(fdt, cpu_name, "bus-frequency", 0); | |
256 | if (env->cpu_index) { | |
257 | qemu_devtree_setprop_string(fdt, cpu_name, "status", "disabled"); | |
258 | qemu_devtree_setprop_string(fdt, cpu_name, "enable-method", "spin-table"); | |
1d2e5c52 AG |
259 | qemu_devtree_setprop_u64(fdt, cpu_name, "cpu-release-addr", |
260 | cpu_release_addr); | |
1e3debf0 AG |
261 | } else { |
262 | qemu_devtree_setprop_string(fdt, cpu_name, "status", "okay"); | |
263 | } | |
1db09b84 AJ |
264 | } |
265 | ||
0cfc6e8d | 266 | qemu_devtree_add_subnode(fdt, "/aliases"); |
5da96624 | 267 | /* XXX These should go into their respective devices' code */ |
ed2bc496 | 268 | snprintf(soc, sizeof(soc), "/soc@%llx", MPC8544_CCSRBAR_BASE); |
5da96624 AG |
269 | qemu_devtree_add_subnode(fdt, soc); |
270 | qemu_devtree_setprop_string(fdt, soc, "device_type", "soc"); | |
ebb9518a AG |
271 | qemu_devtree_setprop(fdt, soc, "compatible", compatible_sb, |
272 | sizeof(compatible_sb)); | |
5da96624 AG |
273 | qemu_devtree_setprop_cell(fdt, soc, "#address-cells", 1); |
274 | qemu_devtree_setprop_cell(fdt, soc, "#size-cells", 1); | |
3627757e AG |
275 | qemu_devtree_setprop_cells(fdt, soc, "ranges", 0x0, |
276 | MPC8544_CCSRBAR_BASE >> 32, MPC8544_CCSRBAR_BASE, | |
5da96624 | 277 | MPC8544_CCSRBAR_SIZE); |
5da96624 AG |
278 | /* XXX should contain a reasonable value */ |
279 | qemu_devtree_setprop_cell(fdt, soc, "bus-frequency", 0); | |
280 | ||
ed2bc496 | 281 | snprintf(mpic, sizeof(mpic), "%s/pic@%llx", soc, |
19ac9dea AG |
282 | MPC8544_MPIC_REGS_BASE - MPC8544_CCSRBAR_BASE); |
283 | qemu_devtree_add_subnode(fdt, mpic); | |
284 | qemu_devtree_setprop_string(fdt, mpic, "device_type", "open-pic"); | |
518c7fb4 | 285 | qemu_devtree_setprop_string(fdt, mpic, "compatible", "fsl,mpic"); |
19ac9dea AG |
286 | qemu_devtree_setprop_cells(fdt, mpic, "reg", MPC8544_MPIC_REGS_BASE - |
287 | MPC8544_CCSRBAR_BASE, 0x40000); | |
288 | qemu_devtree_setprop_cell(fdt, mpic, "#address-cells", 0); | |
518c7fb4 | 289 | qemu_devtree_setprop_cell(fdt, mpic, "#interrupt-cells", 4); |
19ac9dea AG |
290 | mpic_ph = qemu_devtree_alloc_phandle(fdt); |
291 | qemu_devtree_setprop_cell(fdt, mpic, "phandle", mpic_ph); | |
292 | qemu_devtree_setprop_cell(fdt, mpic, "linux,phandle", mpic_ph); | |
293 | qemu_devtree_setprop(fdt, mpic, "interrupt-controller", NULL, 0); | |
518c7fb4 AG |
294 | qemu_devtree_setprop(fdt, mpic, "big-endian", NULL, 0); |
295 | qemu_devtree_setprop(fdt, mpic, "single-cpu-affinity", NULL, 0); | |
296 | qemu_devtree_setprop_cell(fdt, mpic, "last-interrupt-source", 255); | |
19ac9dea | 297 | |
0cfc6e8d AG |
298 | /* |
299 | * We have to generate ser1 first, because Linux takes the first | |
300 | * device it finds in the dt as serial output device. And we generate | |
301 | * devices in reverse order to the dt. | |
302 | */ | |
a053a7ce AG |
303 | dt_serial_create(fdt, MPC8544_SERIAL1_REGS_BASE - MPC8544_CCSRBAR_BASE, |
304 | soc, mpic, "serial1", 1, false); | |
305 | dt_serial_create(fdt, MPC8544_SERIAL0_REGS_BASE - MPC8544_CCSRBAR_BASE, | |
306 | soc, mpic, "serial0", 0, true); | |
0cfc6e8d | 307 | |
ed2bc496 | 308 | snprintf(gutil, sizeof(gutil), "%s/global-utilities@%llx", soc, |
f5038483 AG |
309 | MPC8544_UTIL_BASE - MPC8544_CCSRBAR_BASE); |
310 | qemu_devtree_add_subnode(fdt, gutil); | |
311 | qemu_devtree_setprop_string(fdt, gutil, "compatible", "fsl,mpc8544-guts"); | |
312 | qemu_devtree_setprop_cells(fdt, gutil, "reg", MPC8544_UTIL_BASE - | |
313 | MPC8544_CCSRBAR_BASE, 0x1000); | |
314 | qemu_devtree_setprop(fdt, gutil, "fsl,has-rstcr", NULL, 0); | |
315 | ||
ed2bc496 | 316 | snprintf(pci, sizeof(pci), "/pci@%llx", MPC8544_PCI_REGS_BASE); |
0dbc0798 AG |
317 | qemu_devtree_add_subnode(fdt, pci); |
318 | qemu_devtree_setprop_cell(fdt, pci, "cell-index", 0); | |
319 | qemu_devtree_setprop_string(fdt, pci, "compatible", "fsl,mpc8540-pci"); | |
320 | qemu_devtree_setprop_string(fdt, pci, "device_type", "pci"); | |
321 | qemu_devtree_setprop_cells(fdt, pci, "interrupt-map-mask", 0xf800, 0x0, | |
322 | 0x0, 0x7); | |
323 | pci_map_create(fdt, pci_map, qemu_devtree_get_phandle(fdt, mpic)); | |
324 | qemu_devtree_setprop(fdt, pci, "interrupt-map", pci_map, sizeof(pci_map)); | |
325 | qemu_devtree_setprop_phandle(fdt, pci, "interrupt-parent", mpic); | |
518c7fb4 | 326 | qemu_devtree_setprop_cells(fdt, pci, "interrupts", 24, 2, 0, 0); |
0dbc0798 | 327 | qemu_devtree_setprop_cells(fdt, pci, "bus-range", 0, 255); |
3627757e | 328 | for (i = 0; i < 14; i++) { |
0dbc0798 AG |
329 | pci_ranges[i] = cpu_to_be32(pci_ranges[i]); |
330 | } | |
331 | qemu_devtree_setprop(fdt, pci, "ranges", pci_ranges, sizeof(pci_ranges)); | |
3627757e AG |
332 | qemu_devtree_setprop_cells(fdt, pci, "reg", MPC8544_PCI_REGS_BASE >> 32, |
333 | MPC8544_PCI_REGS_BASE, 0, 0x1000); | |
0dbc0798 AG |
334 | qemu_devtree_setprop_cell(fdt, pci, "clock-frequency", 66666666); |
335 | qemu_devtree_setprop_cell(fdt, pci, "#interrupt-cells", 1); | |
336 | qemu_devtree_setprop_cell(fdt, pci, "#size-cells", 2); | |
337 | qemu_devtree_setprop_cell(fdt, pci, "#address-cells", 3); | |
338 | qemu_devtree_setprop_string(fdt, "/aliases", "pci0", pci); | |
339 | ||
d1b93565 | 340 | done: |
25b42708 AG |
341 | if (dumpdtb) { |
342 | /* Dump the dtb to a file and quit */ | |
343 | FILE *f = fopen(dumpdtb, "wb"); | |
344 | size_t len; | |
345 | len = fwrite(fdt, fdt_size, 1, f); | |
346 | fclose(f); | |
347 | if (len != fdt_size) { | |
348 | exit(1); | |
349 | } | |
350 | exit(0); | |
351 | } | |
352 | ||
04088adb | 353 | ret = rom_add_blob_fixed(BINARY_DEVICE_TREE_FILE, fdt, fdt_size, addr); |
cba2026a AG |
354 | if (ret < 0) { |
355 | goto out; | |
356 | } | |
7267c094 | 357 | g_free(fdt); |
cba2026a | 358 | ret = fdt_size; |
7ec632b4 | 359 | |
1db09b84 | 360 | out: |
1db09b84 | 361 | |
04088adb | 362 | return ret; |
1db09b84 AJ |
363 | } |
364 | ||
cba2026a | 365 | /* Create -kernel TLB entries for BookE. */ |
d1e256fe AG |
366 | static inline target_phys_addr_t booke206_page_size_to_tlb(uint64_t size) |
367 | { | |
cba2026a | 368 | return 63 - clz64(size >> 10); |
d1e256fe AG |
369 | } |
370 | ||
cba2026a | 371 | static void mmubooke_create_initial_mapping(CPUPPCState *env) |
3b989d49 | 372 | { |
cba2026a | 373 | struct boot_info *bi = env->load_info; |
d1e256fe | 374 | ppcmas_tlb_t *tlb = booke206_get_tlbm(env, 1, 0, 0); |
cba2026a AG |
375 | target_phys_addr_t size, dt_end; |
376 | int ps; | |
377 | ||
378 | /* Our initial TLB entry needs to cover everything from 0 to | |
379 | the device tree top */ | |
380 | dt_end = bi->dt_base + bi->dt_size; | |
381 | ps = booke206_page_size_to_tlb(dt_end) + 1; | |
382 | size = (ps << MAS1_TSIZE_SHIFT); | |
d1e256fe | 383 | tlb->mas1 = MAS1_VALID | size; |
cba2026a AG |
384 | tlb->mas2 = 0; |
385 | tlb->mas7_3 = 0; | |
d1e256fe | 386 | tlb->mas7_3 |= MAS3_UR | MAS3_UW | MAS3_UX | MAS3_SR | MAS3_SW | MAS3_SX; |
93dd5e85 SW |
387 | |
388 | env->tlb_dirty = true; | |
3b989d49 AG |
389 | } |
390 | ||
5c145dac AG |
391 | static void mpc8544ds_cpu_reset_sec(void *opaque) |
392 | { | |
38f92da6 AF |
393 | PowerPCCPU *cpu = opaque; |
394 | CPUPPCState *env = &cpu->env; | |
5c145dac | 395 | |
38f92da6 | 396 | cpu_reset(CPU(cpu)); |
5c145dac AG |
397 | |
398 | /* Secondary CPU starts in halted state for now. Needs to change when | |
399 | implementing non-kernel boot. */ | |
400 | env->halted = 1; | |
401 | env->exception_index = EXCP_HLT; | |
3b989d49 AG |
402 | } |
403 | ||
404 | static void mpc8544ds_cpu_reset(void *opaque) | |
405 | { | |
38f92da6 AF |
406 | PowerPCCPU *cpu = opaque; |
407 | CPUPPCState *env = &cpu->env; | |
3b989d49 AG |
408 | struct boot_info *bi = env->load_info; |
409 | ||
38f92da6 | 410 | cpu_reset(CPU(cpu)); |
3b989d49 AG |
411 | |
412 | /* Set initial guest state. */ | |
5c145dac | 413 | env->halted = 0; |
3b989d49 AG |
414 | env->gpr[1] = (16<<20) - 8; |
415 | env->gpr[3] = bi->dt_base; | |
416 | env->nip = bi->entry; | |
cba2026a | 417 | mmubooke_create_initial_mapping(env); |
3b989d49 AG |
418 | } |
419 | ||
c227f099 | 420 | static void mpc8544ds_init(ram_addr_t ram_size, |
1db09b84 AJ |
421 | const char *boot_device, |
422 | const char *kernel_filename, | |
423 | const char *kernel_cmdline, | |
424 | const char *initrd_filename, | |
425 | const char *cpu_model) | |
426 | { | |
39186d8a | 427 | MemoryRegion *address_space_mem = get_system_memory(); |
2646c133 | 428 | MemoryRegion *ram = g_new(MemoryRegion, 1); |
1db09b84 | 429 | PCIBus *pci_bus; |
e2684c0b | 430 | CPUPPCState *env = NULL; |
1db09b84 AJ |
431 | uint64_t elf_entry; |
432 | uint64_t elf_lowaddr; | |
c227f099 AL |
433 | target_phys_addr_t entry=0; |
434 | target_phys_addr_t loadaddr=UIMAGE_LOAD_BASE; | |
1db09b84 | 435 | target_long kernel_size=0; |
75bb6589 LY |
436 | target_ulong dt_base = 0; |
437 | target_ulong initrd_base = 0; | |
1db09b84 | 438 | target_long initrd_size=0; |
1db09b84 AJ |
439 | int i=0; |
440 | unsigned int pci_irq_nrs[4] = {1, 2, 3, 4}; | |
a915249f | 441 | qemu_irq **irqs, *mpic; |
be13cc7a | 442 | DeviceState *dev; |
e2684c0b | 443 | CPUPPCState *firstenv = NULL; |
1db09b84 | 444 | |
e61c36d5 | 445 | /* Setup CPUs */ |
ef250db6 AG |
446 | if (cpu_model == NULL) { |
447 | cpu_model = "e500v2_v30"; | |
448 | } | |
449 | ||
a915249f AG |
450 | irqs = g_malloc0(smp_cpus * sizeof(qemu_irq *)); |
451 | irqs[0] = g_malloc0(smp_cpus * sizeof(qemu_irq) * OPENPIC_OUTPUT_NB); | |
e61c36d5 | 452 | for (i = 0; i < smp_cpus; i++) { |
397b457d | 453 | PowerPCCPU *cpu; |
e61c36d5 | 454 | qemu_irq *input; |
397b457d AF |
455 | |
456 | cpu = cpu_ppc_init(cpu_model); | |
457 | if (cpu == NULL) { | |
e61c36d5 AG |
458 | fprintf(stderr, "Unable to initialize CPU!\n"); |
459 | exit(1); | |
460 | } | |
397b457d | 461 | env = &cpu->env; |
1db09b84 | 462 | |
e61c36d5 AG |
463 | if (!firstenv) { |
464 | firstenv = env; | |
465 | } | |
1db09b84 | 466 | |
a915249f AG |
467 | irqs[i] = irqs[0] + (i * OPENPIC_OUTPUT_NB); |
468 | input = (qemu_irq *)env->irq_inputs; | |
469 | irqs[i][OPENPIC_OUTPUT_INT] = input[PPCE500_INPUT_INT]; | |
470 | irqs[i][OPENPIC_OUTPUT_CINT] = input[PPCE500_INPUT_CINT]; | |
e61c36d5 | 471 | env->spr[SPR_BOOKE_PIR] = env->cpu_index = i; |
2a7a47fc | 472 | env->mpic_cpu_base = MPC8544_MPIC_REGS_BASE + 0x20000; |
3b989d49 | 473 | |
ddd1055b | 474 | ppc_booke_timers_init(env, 400000000, PPC_TIMER_E500); |
e61c36d5 AG |
475 | |
476 | /* Register reset handler */ | |
5c145dac AG |
477 | if (!i) { |
478 | /* Primary CPU */ | |
479 | struct boot_info *boot_info; | |
480 | boot_info = g_malloc0(sizeof(struct boot_info)); | |
38f92da6 | 481 | qemu_register_reset(mpc8544ds_cpu_reset, cpu); |
5c145dac AG |
482 | env->load_info = boot_info; |
483 | } else { | |
484 | /* Secondary CPUs */ | |
38f92da6 | 485 | qemu_register_reset(mpc8544ds_cpu_reset_sec, cpu); |
5c145dac | 486 | } |
e61c36d5 | 487 | } |
3b989d49 | 488 | |
e61c36d5 | 489 | env = firstenv; |
3b989d49 | 490 | |
1db09b84 AJ |
491 | /* Fixup Memory size on a alignment boundary */ |
492 | ram_size &= ~(RAM_SIZES_ALIGN - 1); | |
493 | ||
494 | /* Register Memory */ | |
c5705a77 AK |
495 | memory_region_init_ram(ram, "mpc8544ds.ram", ram_size); |
496 | vmstate_register_ram_global(ram); | |
2646c133 | 497 | memory_region_add_subregion(address_space_mem, 0, ram); |
1db09b84 AJ |
498 | |
499 | /* MPIC */ | |
df2921d3 AK |
500 | mpic = mpic_init(address_space_mem, MPC8544_MPIC_REGS_BASE, |
501 | smp_cpus, irqs, NULL); | |
a915249f AG |
502 | |
503 | if (!mpic) { | |
504 | cpu_abort(env, "MPIC failed to initialize\n"); | |
505 | } | |
1db09b84 AJ |
506 | |
507 | /* Serial */ | |
2d48377a | 508 | if (serial_hds[0]) { |
39186d8a | 509 | serial_mm_init(address_space_mem, MPC8544_SERIAL0_REGS_BASE, |
49a2942d | 510 | 0, mpic[12+26], 399193, |
2ff0c7c3 | 511 | serial_hds[0], DEVICE_BIG_ENDIAN); |
2d48377a | 512 | } |
1db09b84 | 513 | |
2d48377a | 514 | if (serial_hds[1]) { |
39186d8a | 515 | serial_mm_init(address_space_mem, MPC8544_SERIAL1_REGS_BASE, |
49a2942d | 516 | 0, mpic[12+26], 399193, |
2ff0c7c3 | 517 | serial_hds[0], DEVICE_BIG_ENDIAN); |
2d48377a | 518 | } |
1db09b84 | 519 | |
b0fb8423 AG |
520 | /* General Utility device */ |
521 | sysbus_create_simple("mpc8544-guts", MPC8544_UTIL_BASE, NULL); | |
522 | ||
1db09b84 | 523 | /* PCI */ |
be13cc7a AG |
524 | dev = sysbus_create_varargs("e500-pcihost", MPC8544_PCI_REGS_BASE, |
525 | mpic[pci_irq_nrs[0]], mpic[pci_irq_nrs[1]], | |
526 | mpic[pci_irq_nrs[2]], mpic[pci_irq_nrs[3]], | |
527 | NULL); | |
d461e3b9 | 528 | pci_bus = (PCIBus *)qdev_get_child_bus(dev, "pci.0"); |
1db09b84 AJ |
529 | if (!pci_bus) |
530 | printf("couldn't create PCI controller!\n"); | |
531 | ||
968d683c | 532 | isa_mmio_init(MPC8544_PCI_IO, MPC8544_PCI_IOLEN); |
1db09b84 AJ |
533 | |
534 | if (pci_bus) { | |
1db09b84 AJ |
535 | /* Register network interfaces. */ |
536 | for (i = 0; i < nb_nics; i++) { | |
07caea31 | 537 | pci_nic_init_nofail(&nd_table[i], "virtio", NULL); |
1db09b84 AJ |
538 | } |
539 | } | |
540 | ||
5c145dac AG |
541 | /* Register spinning region */ |
542 | sysbus_create_simple("e500-spin", MPC8544_SPIN_BASE, NULL); | |
543 | ||
1db09b84 AJ |
544 | /* Load kernel. */ |
545 | if (kernel_filename) { | |
546 | kernel_size = load_uimage(kernel_filename, &entry, &loadaddr, NULL); | |
547 | if (kernel_size < 0) { | |
409dbce5 AJ |
548 | kernel_size = load_elf(kernel_filename, NULL, NULL, &elf_entry, |
549 | &elf_lowaddr, NULL, 1, ELF_MACHINE, 0); | |
1db09b84 AJ |
550 | entry = elf_entry; |
551 | loadaddr = elf_lowaddr; | |
552 | } | |
553 | /* XXX try again as binary */ | |
554 | if (kernel_size < 0) { | |
555 | fprintf(stderr, "qemu: could not load kernel '%s'\n", | |
556 | kernel_filename); | |
557 | exit(1); | |
558 | } | |
559 | } | |
560 | ||
561 | /* Load initrd. */ | |
562 | if (initrd_filename) { | |
75bb6589 | 563 | initrd_base = (kernel_size + INITRD_LOAD_PAD) & ~INITRD_PAD_MASK; |
d7585251 PB |
564 | initrd_size = load_image_targphys(initrd_filename, initrd_base, |
565 | ram_size - initrd_base); | |
1db09b84 AJ |
566 | |
567 | if (initrd_size < 0) { | |
568 | fprintf(stderr, "qemu: could not load initial ram disk '%s'\n", | |
569 | initrd_filename); | |
570 | exit(1); | |
571 | } | |
572 | } | |
573 | ||
574 | /* If we're loading a kernel directly, we must load the device tree too. */ | |
575 | if (kernel_filename) { | |
5c145dac | 576 | struct boot_info *boot_info; |
cba2026a | 577 | int dt_size; |
5c145dac | 578 | |
cba2026a AG |
579 | dt_base = (loadaddr + kernel_size + DTC_LOAD_PAD) & ~DTC_PAD_MASK; |
580 | dt_size = mpc8544_load_device_tree(env, dt_base, ram_size, initrd_base, | |
581 | initrd_size, kernel_cmdline); | |
582 | if (dt_size < 0) { | |
1db09b84 AJ |
583 | fprintf(stderr, "couldn't load device tree\n"); |
584 | exit(1); | |
585 | } | |
586 | ||
e61c36d5 | 587 | boot_info = env->load_info; |
3b989d49 AG |
588 | boot_info->entry = entry; |
589 | boot_info->dt_base = dt_base; | |
cba2026a | 590 | boot_info->dt_size = dt_size; |
1db09b84 AJ |
591 | } |
592 | ||
3b989d49 | 593 | if (kvm_enabled()) { |
1db09b84 | 594 | kvmppc_init(); |
3b989d49 | 595 | } |
1db09b84 AJ |
596 | } |
597 | ||
f80f9ec9 | 598 | static QEMUMachine mpc8544ds_machine = { |
1db09b84 AJ |
599 | .name = "mpc8544ds", |
600 | .desc = "mpc8544ds", | |
601 | .init = mpc8544ds_init, | |
a2a67420 | 602 | .max_cpus = 15, |
1db09b84 | 603 | }; |
f80f9ec9 AL |
604 | |
605 | static void mpc8544ds_machine_init(void) | |
606 | { | |
607 | qemu_register_machine(&mpc8544ds_machine); | |
608 | } | |
609 | ||
610 | machine_init(mpc8544ds_machine_init); |