Revision 04088adb hw/ppce500_mpc8544ds.c
| b/hw/ppce500_mpc8544ds.c | ||
|---|---|---|
| 72 | 72 |
} |
| 73 | 73 |
#endif |
| 74 | 74 |
|
| 75 |
static void *mpc8544_load_device_tree(target_phys_addr_t addr,
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|
| 75 |
static int mpc8544_load_device_tree(target_phys_addr_t addr,
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|
| 76 | 76 |
uint32_t ramsize, |
| 77 | 77 |
target_phys_addr_t initrd_base, |
| 78 | 78 |
target_phys_addr_t initrd_size, |
| ... | ... | |
| 87 | 87 |
|
| 88 | 88 |
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, BINARY_DEVICE_TREE_FILE); |
| 89 | 89 |
if (!filename) {
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| 90 |
ret = -1; |
|
| 90 | 91 |
goto out; |
| 91 | 92 |
} |
| 92 | 93 |
fdt = load_device_tree(filename, &fdt_size); |
| 93 | 94 |
qemu_free(filename); |
| 94 | 95 |
if (fdt == NULL) {
|
| 96 |
ret = -1; |
|
| 95 | 97 |
goto out; |
| 96 | 98 |
} |
| 97 | 99 |
|
| ... | ... | |
| 123 | 125 |
|
| 124 | 126 |
if ((dp = opendir("/proc/device-tree/cpus/")) == NULL) {
|
| 125 | 127 |
printf("Can't open directory /proc/device-tree/cpus/\n");
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ret = -1; |
|
| 126 | 129 |
goto out; |
| 127 | 130 |
} |
| 128 | 131 |
|
| ... | ... | |
| 136 | 139 |
closedir(dp); |
| 137 | 140 |
if (buf[0] == '\0') {
|
| 138 | 141 |
printf("Unknow host!\n");
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ret = -1; |
|
| 139 | 143 |
goto out; |
| 140 | 144 |
} |
| 141 | 145 |
|
| ... | ... | |
| 143 | 147 |
mpc8544_copy_soc_cell(fdt, buf, "timebase-frequency"); |
| 144 | 148 |
} |
| 145 | 149 |
|
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cpu_physical_memory_write (addr, (void *)fdt, fdt_size); |
|
| 150 |
ret = rom_add_blob_fixed(BINARY_DEVICE_TREE_FILE, fdt, fdt_size, addr); |
|
| 151 |
qemu_free(fdt); |
|
| 147 | 152 |
|
| 148 | 153 |
out: |
| 149 | 154 |
#endif |
| 150 | 155 |
|
| 151 |
return fdt;
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| 156 |
return ret;
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|
| 152 | 157 |
} |
| 153 | 158 |
|
| 154 | 159 |
static void mpc8544ds_init(ram_addr_t ram_size, |
| ... | ... | |
| 168 | 173 |
target_ulong dt_base=DTB_LOAD_BASE; |
| 169 | 174 |
target_ulong initrd_base=INITRD_LOAD_BASE; |
| 170 | 175 |
target_long initrd_size=0; |
| 171 |
void *fdt; |
|
| 172 | 176 |
int i=0; |
| 173 | 177 |
unsigned int pci_irq_nrs[4] = {1, 2, 3, 4};
|
| 174 | 178 |
qemu_irq *irqs, *mpic, *pci_irqs; |
| ... | ... | |
| 254 | 258 |
|
| 255 | 259 |
/* If we're loading a kernel directly, we must load the device tree too. */ |
| 256 | 260 |
if (kernel_filename) {
|
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fdt = mpc8544_load_device_tree(dt_base, ram_size, |
|
| 258 |
initrd_base, initrd_size, kernel_cmdline); |
|
| 259 |
if (fdt == NULL) {
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|
| 261 |
if (mpc8544_load_device_tree(dt_base, ram_size, |
|
| 262 |
initrd_base, initrd_size, kernel_cmdline) < 0) {
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|
| 260 | 263 |
fprintf(stderr, "couldn't load device tree\n"); |
| 261 | 264 |
exit(1); |
| 262 | 265 |
} |
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