diff options
Diffstat (limited to 'src/southbridge/amd/sb700')
| -rw-r--r-- | src/southbridge/amd/sb700/lpc.c | 146 |
1 files changed, 74 insertions, 72 deletions
diff --git a/src/southbridge/amd/sb700/lpc.c b/src/southbridge/amd/sb700/lpc.c index 643a5a1300..a56ccf0465 100644 --- a/src/southbridge/amd/sb700/lpc.c +++ b/src/southbridge/amd/sb700/lpc.c @@ -144,83 +144,85 @@ static void sb700_lpc_enable_childrens_resources(device_t dev) device_t child; for (child = link->children; child; child = child->sibling) { - if (child->enabled - && (child->path.type == DEVICE_PATH_PNP)) { - struct resource *res; - for (res = child->resource_list; res; res = res->next) { - u32 base, end; /* don't need long long */ - if (!(res->flags & IORESOURCE_IO)) + if (!(child->enabled + && (child->path.type == DEVICE_PATH_PNP))) + continue; + + struct resource *res; + for (res = child->resource_list; res; res = res->next) { + u32 base, end; /* don't need long long */ + if (!(res->flags & IORESOURCE_IO)) + continue; + base = res->base; + end = resource_end(res); + printk(BIOS_DEBUG, "sb700 lpc decode:%s," + " base=0x%08x, end=0x%08x\n", + dev_path(child), base, end); + switch (base) { + case 0x60: /* KB */ + case 0x64: /* MS */ + reg |= (1 << 29); + break; + case 0x3f8: /* COM1 */ + reg |= (1 << 6); + break; + case 0x2f8: /* COM2 */ + reg |= (1 << 7); + break; + case 0x378: /* Parallel 1 */ + reg |= (1 << 0); + reg |= (1 << 1); /* + 0x778 for ECP */ + break; + case 0x3f0: /* FD0 */ + reg |= (1 << 26); + break; + case 0x220: /* Audio 0 */ + reg |= (1 << 8); + break; + case 0x300: /* Midi 0 */ + reg |= (1 << 18); + break; + case 0x400: + reg_x |= (1 << 16); + break; + case 0x480: + reg_x |= (1 << 17); + break; + case 0x500: + reg_x |= (1 << 18); + break; + case 0x580: + reg_x |= (1 << 19); + break; + case 0x4700: + reg_x |= (1 << 22); + break; + case 0xfd60: + reg_x |= (1 << 23); + break; + default: + /* only 3 var ; compact them ? */ + if (var_num >= 3) continue; - base = res->base; - end = resource_end(res); - printk(BIOS_DEBUG, "sb700 lpc decode:%s, base=0x%08x, end=0x%08x\n", - dev_path(child), base, end); - switch (base) { - case 0x60: /* KB */ - case 0x64: /* MS */ - reg |= (1 << 29); + switch (var_num) { + case 0: + reg_x |= (1 << 2); + if ((end - base) < 16) + wiosize |= (1 << 0); break; - case 0x3f8: /* COM1 */ - reg |= (1 << 6); + case 1: + reg_x |= (1 << 24); + if ((end - base) < 16) + wiosize |= (1 << 2); break; - case 0x2f8: /* COM2 */ - reg |= (1 << 7); + case 2: + reg_x |= (1 << 25); + reg_x |= (1 << 24); + if ((end - base) < 16) + wiosize |= (1 << 3); break; - case 0x378: /* Parallel 1 */ - reg |= (1 << 0); - reg |= (1 << 1); /* + 0x778 for ECP */ - break; - case 0x3f0: /* FD0 */ - reg |= (1 << 26); - break; - case 0x220: /* Audio 0 */ - reg |= (1 << 8); - break; - case 0x300: /* Midi 0 */ - reg |= (1 << 18); - break; - case 0x400: - reg_x |= (1 << 16); - break; - case 0x480: - reg_x |= (1 << 17); - break; - case 0x500: - reg_x |= (1 << 18); - break; - case 0x580: - reg_x |= (1 << 19); - break; - case 0x4700: - reg_x |= (1 << 22); - break; - case 0xfd60: - reg_x |= (1 << 23); - break; - default: - if (var_num >= 3) - continue; /* only 3 var ; compact them ? */ - switch (var_num) { - case 0: - reg_x |= (1 << 2); - if ((end - base) < 16) - wiosize |= (1 << 0); - break; - case 1: - reg_x |= (1 << 24); - if ((end - base) < 16) - wiosize |= (1 << 2); - break; - case 2: - reg_x |= (1 << 25); - reg_x |= (1 << 24); - if ((end - base) < 16) - wiosize |= (1 << 3); - break; - } - reg_var[var_num++] = - base & 0xffff; } + reg_var[var_num++] = base & 0xffff; } } } |