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Commit | Line | Data |
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2c9fade2 AJ |
1 | /* |
2 | * Qemu PowerPC 440 Bamboo board emulation | |
3 | * | |
4 | * Copyright 2007 IBM Corporation. | |
5 | * Authors: | |
6 | * Jerone Young <jyoung5@us.ibm.com> | |
7 | * Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com> | |
8 | * Hollis Blanchard <hollisb@us.ibm.com> | |
9 | * | |
10 | * This work is licensed under the GNU GPL license version 2 or later. | |
11 | * | |
12 | */ | |
13 | ||
14 | #include "config.h" | |
15 | #include "qemu-common.h" | |
16 | #include "net.h" | |
17 | #include "hw.h" | |
18 | #include "pci.h" | |
2c9fade2 AJ |
19 | #include "boards.h" |
20 | #include "sysemu.h" | |
21 | #include "ppc440.h" | |
22 | #include "kvm.h" | |
23 | #include "kvm_ppc.h" | |
24 | #include "device_tree.h" | |
ca20cf32 BS |
25 | #include "loader.h" |
26 | #include "elf.h" | |
2c9fade2 AJ |
27 | |
28 | #define BINARY_DEVICE_TREE_FILE "bamboo.dtb" | |
29 | ||
04088adb | 30 | static int bamboo_load_device_tree(target_phys_addr_t addr, |
2c9fade2 | 31 | uint32_t ramsize, |
c227f099 AL |
32 | target_phys_addr_t initrd_base, |
33 | target_phys_addr_t initrd_size, | |
2c9fade2 AJ |
34 | const char *kernel_cmdline) |
35 | { | |
dbf916d8 | 36 | int ret = -1; |
3f0855b1 | 37 | #ifdef CONFIG_FDT |
2c9fade2 | 38 | uint32_t mem_reg_property[] = { 0, 0, ramsize }; |
5cea8590 | 39 | char *filename; |
7ec632b4 | 40 | int fdt_size; |
dbf916d8 | 41 | void *fdt; |
2c9fade2 | 42 | |
5cea8590 PB |
43 | filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, BINARY_DEVICE_TREE_FILE); |
44 | if (!filename) { | |
45 | goto out; | |
46 | } | |
47 | fdt = load_device_tree(filename, &fdt_size); | |
48 | qemu_free(filename); | |
49 | if (fdt == NULL) { | |
2c9fade2 | 50 | goto out; |
5cea8590 | 51 | } |
2c9fade2 AJ |
52 | |
53 | /* Manipulate device tree in memory. */ | |
54 | ||
55 | ret = qemu_devtree_setprop(fdt, "/memory", "reg", mem_reg_property, | |
56 | sizeof(mem_reg_property)); | |
57 | if (ret < 0) | |
58 | fprintf(stderr, "couldn't set /memory/reg\n"); | |
59 | ||
60 | ret = qemu_devtree_setprop_cell(fdt, "/chosen", "linux,initrd-start", | |
61 | initrd_base); | |
62 | if (ret < 0) | |
63 | fprintf(stderr, "couldn't set /chosen/linux,initrd-start\n"); | |
64 | ||
65 | ret = qemu_devtree_setprop_cell(fdt, "/chosen", "linux,initrd-end", | |
66 | (initrd_base + initrd_size)); | |
67 | if (ret < 0) | |
68 | fprintf(stderr, "couldn't set /chosen/linux,initrd-end\n"); | |
69 | ||
70 | ret = qemu_devtree_setprop_string(fdt, "/chosen", "bootargs", | |
71 | kernel_cmdline); | |
72 | if (ret < 0) | |
73 | fprintf(stderr, "couldn't set /chosen/bootargs\n"); | |
74 | ||
75 | if (kvm_enabled()) | |
76 | kvmppc_fdt_update(fdt); | |
77 | ||
04088adb LY |
78 | ret = rom_add_blob_fixed(BINARY_DEVICE_TREE_FILE, fdt, fdt_size, addr); |
79 | qemu_free(fdt); | |
7ec632b4 | 80 | |
2c9fade2 AJ |
81 | out: |
82 | #endif | |
83 | ||
04088adb | 84 | return ret; |
2c9fade2 AJ |
85 | } |
86 | ||
c227f099 | 87 | static void bamboo_init(ram_addr_t ram_size, |
a147d62b | 88 | const char *boot_device, |
2c9fade2 AJ |
89 | const char *kernel_filename, |
90 | const char *kernel_cmdline, | |
91 | const char *initrd_filename, | |
92 | const char *cpu_model) | |
93 | { | |
94 | unsigned int pci_irq_nrs[4] = { 28, 27, 26, 25 }; | |
2c9fade2 AJ |
95 | PCIBus *pcibus; |
96 | CPUState *env; | |
97 | uint64_t elf_entry; | |
98 | uint64_t elf_lowaddr; | |
c227f099 AL |
99 | target_phys_addr_t entry = 0; |
100 | target_phys_addr_t loadaddr = 0; | |
2c9fade2 AJ |
101 | target_long kernel_size = 0; |
102 | target_ulong initrd_base = 0; | |
103 | target_long initrd_size = 0; | |
104 | target_ulong dt_base = 0; | |
2c9fade2 AJ |
105 | int i; |
106 | ||
107 | /* Setup CPU. */ | |
727170b6 | 108 | env = ppc440ep_init(&ram_size, &pcibus, pci_irq_nrs, 1, cpu_model); |
2c9fade2 AJ |
109 | |
110 | if (pcibus) { | |
2c9fade2 AJ |
111 | /* Register network interfaces. */ |
112 | for (i = 0; i < nb_nics; i++) { | |
cb457d76 AL |
113 | /* There are no PCI NICs on the Bamboo board, but there are |
114 | * PCI slots, so we can pick whatever default model we want. */ | |
07caea31 | 115 | pci_nic_init_nofail(&nd_table[i], "e1000", NULL); |
2c9fade2 AJ |
116 | } |
117 | } | |
118 | ||
119 | /* Load kernel. */ | |
120 | if (kernel_filename) { | |
121 | kernel_size = load_uimage(kernel_filename, &entry, &loadaddr, NULL); | |
122 | if (kernel_size < 0) { | |
409dbce5 AJ |
123 | kernel_size = load_elf(kernel_filename, NULL, NULL, &elf_entry, |
124 | &elf_lowaddr, NULL, 1, ELF_MACHINE, 0); | |
2c9fade2 AJ |
125 | entry = elf_entry; |
126 | loadaddr = elf_lowaddr; | |
127 | } | |
128 | /* XXX try again as binary */ | |
129 | if (kernel_size < 0) { | |
130 | fprintf(stderr, "qemu: could not load kernel '%s'\n", | |
131 | kernel_filename); | |
132 | exit(1); | |
133 | } | |
134 | } | |
135 | ||
136 | /* Load initrd. */ | |
137 | if (initrd_filename) { | |
138 | initrd_base = kernel_size + loadaddr; | |
dcac9679 PB |
139 | initrd_size = load_image_targphys(initrd_filename, initrd_base, |
140 | ram_size - initrd_base); | |
2c9fade2 AJ |
141 | |
142 | if (initrd_size < 0) { | |
143 | fprintf(stderr, "qemu: could not load initial ram disk '%s'\n", | |
144 | initrd_filename); | |
145 | exit(1); | |
146 | } | |
147 | } | |
148 | ||
149 | /* If we're loading a kernel directly, we must load the device tree too. */ | |
150 | if (kernel_filename) { | |
151 | if (initrd_base) | |
152 | dt_base = initrd_base + initrd_size; | |
153 | else | |
154 | dt_base = kernel_size + loadaddr; | |
155 | ||
04088adb LY |
156 | if (bamboo_load_device_tree(dt_base, ram_size, |
157 | initrd_base, initrd_size, kernel_cmdline) < 0) { | |
2c9fade2 AJ |
158 | fprintf(stderr, "couldn't load device tree\n"); |
159 | exit(1); | |
160 | } | |
161 | ||
c4963817 LY |
162 | cpu_synchronize_state(env); |
163 | ||
2c9fade2 AJ |
164 | /* Set initial guest state. */ |
165 | env->gpr[1] = (16<<20) - 8; | |
166 | env->gpr[3] = dt_base; | |
167 | env->nip = entry; | |
168 | /* XXX we currently depend on KVM to create some initial TLB entries. */ | |
169 | } | |
170 | ||
171 | if (kvm_enabled()) | |
172 | kvmppc_init(); | |
173 | } | |
174 | ||
f80f9ec9 | 175 | static QEMUMachine bamboo_machine = { |
977b6b91 AS |
176 | .name = "bamboo-0.13", |
177 | .alias = "bamboo", | |
178 | .desc = "bamboo", | |
179 | .init = bamboo_init, | |
977b6b91 AS |
180 | }; |
181 | ||
182 | static QEMUMachine bamboo_machine_v0_12 = { | |
183 | .name = "bamboo-0.12", | |
2c9fade2 AJ |
184 | .desc = "bamboo", |
185 | .init = bamboo_init, | |
21be440c AS |
186 | .compat_props = (GlobalProperty[]) { |
187 | { | |
188 | .driver = "virtio-serial-pci", | |
189 | .property = "max_nr_ports", | |
190 | .value = stringify(1), | |
191 | },{ | |
192 | .driver = "virtio-serial-pci", | |
193 | .property = "vectors", | |
194 | .value = stringify(0), | |
195 | }, | |
196 | { /* end of list */ } | |
197 | }, | |
2c9fade2 | 198 | }; |
f80f9ec9 AL |
199 | |
200 | static void bamboo_machine_init(void) | |
201 | { | |
202 | qemu_register_machine(&bamboo_machine); | |
977b6b91 | 203 | qemu_register_machine(&bamboo_machine_v0_12); |
f80f9ec9 AL |
204 | } |
205 | ||
206 | machine_init(bamboo_machine_init); |