Rev 3467 | Rev 3591 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
Rev 3467 | Rev 3479 | ||
---|---|---|---|
Line 54... | Line 54... | ||
54 | int ofw_translate_failed(ofw_arg_t flag) |
54 | int ofw_translate_failed(ofw_arg_t flag) |
55 | { |
55 | { |
56 | return flag != -1; |
56 | return flag != -1; |
57 | } |
57 | } |
58 | 58 | ||
59 | /* |
- | |
60 | * Node among whose children the CPU nodes are located. |
- | |
61 | */ |
- | |
62 | #if defined (OPEN_BOOT) |
- | |
63 | #define CPUS_PARENT_NODE ofw_root |
- | |
64 | #elif defined (SMART_FIRMWARE) |
- | |
65 | #define CPUS_PARENT_NODE ofw_find_device("/ssm@0,0") |
- | |
66 | #endif |
- | |
67 | - | ||
68 | - | ||
69 | int ofw_cpu(void) |
59 | int ofw_cpu(void) |
70 | { |
60 | { |
71 | char type_name[BUF_SIZE]; |
61 | char type_name[BUF_SIZE]; |
72 | - | ||
73 | phandle node; |
62 | phandle node; |
- | 63 | phandle ssm; |
|
- | 64 | ||
- | 65 | ssm = ofw_find_device("/ssm@0,0"); |
|
- | 66 | if (ssm == -1) { |
|
74 | node = ofw_get_child_node(CPUS_PARENT_NODE); |
67 | node = ofw_get_child_node(ofw_root); |
- | 68 | } else { |
|
- | 69 | node = ofw_get_child_node(ssm); |
|
- | 70 | } |
|
75 | 71 | ||
76 | if (node == 0 || node == -1) { |
72 | if (node == 0 || node == -1) { |
77 | printf("Could not find any child nodes of the root node.\n"); |
73 | printf("Could not find any child nodes of the root node.\n"); |
78 | return 0; |
74 | return 0; |
79 | } |
75 | } |
80 | 76 | ||
81 | uint64_t current_mid; |
77 | uint64_t current_mid; |
82 | 78 | ||
83 | asm volatile ("ldxa [%1] %2, %0\n" |
79 | asm volatile ("ldxa [%1] %2, %0\n" |
84 | : "=r" (current_mid) |
80 | : "=r" (current_mid) |
85 | : "r" (0), "i" (ASI_UPA_CONFIG)); |
81 | : "r" (0), "i" (ASI_ICBUS_CONFIG)); |
86 | current_mid >>= UPA_CONFIG_MID_SHIFT; |
82 | current_mid >>= ICBUS_CONFIG_MID_SHIFT; |
87 | current_mid &= UPA_CONFIG_MID_MASK; |
83 | current_mid &= ICBUS_CONFIG_MID_MASK; |
88 | 84 | ||
89 | int cpus; |
85 | int cpus; |
90 | 86 | ||
91 | for (cpus = 0; node != 0 && node != -1; node = ofw_get_peer_node(node), |
87 | for (cpus = 0; node != 0 && node != -1; node = ofw_get_peer_node(node), |
92 | cpus++) { |
88 | cpus++) { |