diff options
Diffstat (limited to 'arch/x86/kernel/summit_32.c')
| -rw-r--r-- | arch/x86/kernel/summit_32.c | 57 |
1 files changed, 31 insertions, 26 deletions
diff --git a/arch/x86/kernel/summit_32.c b/arch/x86/kernel/summit_32.c index 72f463401592..6878a9c2df5d 100644 --- a/arch/x86/kernel/summit_32.c +++ b/arch/x86/kernel/summit_32.c @@ -35,43 +35,47 @@ static struct rio_table_hdr *rio_table_hdr __initdata; static struct scal_detail *scal_devs[MAX_NUMNODES] __initdata; static struct rio_detail *rio_devs[MAX_NUMNODES*4] __initdata; +static int mp_bus_id_to_node[MAX_MP_BUSSES] __initdata; + static int __init setup_pci_node_map_for_wpeg(int wpeg_num, int last_bus) { int twister = 0, node = 0; int i, bus, num_buses; - for(i = 0; i < rio_table_hdr->num_rio_dev; i++){ - if (rio_devs[i]->node_id == rio_devs[wpeg_num]->owner_id){ + for (i = 0; i < rio_table_hdr->num_rio_dev; i++) { + if (rio_devs[i]->node_id == rio_devs[wpeg_num]->owner_id) { twister = rio_devs[i]->owner_id; break; } } - if (i == rio_table_hdr->num_rio_dev){ - printk(KERN_ERR "%s: Couldn't find owner Cyclone for Winnipeg!\n", __FUNCTION__); + if (i == rio_table_hdr->num_rio_dev) { + printk(KERN_ERR "%s: Couldn't find owner Cyclone for Winnipeg!\n", __func__); return last_bus; } - for(i = 0; i < rio_table_hdr->num_scal_dev; i++){ - if (scal_devs[i]->node_id == twister){ + for (i = 0; i < rio_table_hdr->num_scal_dev; i++) { + if (scal_devs[i]->node_id == twister) { node = scal_devs[i]->node_id; break; } } - if (i == rio_table_hdr->num_scal_dev){ - printk(KERN_ERR "%s: Couldn't find owner Twister for Cyclone!\n", __FUNCTION__); + if (i == rio_table_hdr->num_scal_dev) { + printk(KERN_ERR "%s: Couldn't find owner Twister for Cyclone!\n", __func__); return last_bus; } - switch (rio_devs[wpeg_num]->type){ + switch (rio_devs[wpeg_num]->type) { case CompatWPEG: - /* The Compatibility Winnipeg controls the 2 legacy buses, + /* + * The Compatibility Winnipeg controls the 2 legacy buses, * the 66MHz PCI bus [2 slots] and the 2 "extra" buses in case * a PCI-PCI bridge card is used in either slot: total 5 buses. */ num_buses = 5; break; case AltWPEG: - /* The Alternate Winnipeg controls the 2 133MHz buses [1 slot + /* + * The Alternate Winnipeg controls the 2 133MHz buses [1 slot * each], their 2 "extra" buses, the 100MHz bus [2 slots] and * the "extra" buses for each of those slots: total 7 buses. */ @@ -79,17 +83,18 @@ static int __init setup_pci_node_map_for_wpeg(int wpeg_num, int last_bus) break; case LookOutAWPEG: case LookOutBWPEG: - /* A Lookout Winnipeg controls 3 100MHz buses [2 slots each] + /* + * A Lookout Winnipeg controls 3 100MHz buses [2 slots each] * & the "extra" buses for each of those slots: total 9 buses. */ num_buses = 9; break; default: - printk(KERN_INFO "%s: Unsupported Winnipeg type!\n", __FUNCTION__); + printk(KERN_INFO "%s: Unsupported Winnipeg type!\n", __func__); return last_bus; } - for(bus = last_bus; bus < last_bus + num_buses; bus++) + for (bus = last_bus; bus < last_bus + num_buses; bus++) mp_bus_id_to_node[bus] = node; return bus; } @@ -99,14 +104,14 @@ static int __init build_detail_arrays(void) unsigned long ptr; int i, scal_detail_size, rio_detail_size; - if (rio_table_hdr->num_scal_dev > MAX_NUMNODES){ - printk(KERN_WARNING "%s: MAX_NUMNODES too low! Defined as %d, but system has %d nodes.\n", __FUNCTION__, MAX_NUMNODES, rio_table_hdr->num_scal_dev); + if (rio_table_hdr->num_scal_dev > MAX_NUMNODES) { + printk(KERN_WARNING "%s: MAX_NUMNODES too low! Defined as %d, but system has %d nodes.\n", __func__, MAX_NUMNODES, rio_table_hdr->num_scal_dev); return 0; } - switch (rio_table_hdr->version){ + switch (rio_table_hdr->version) { default: - printk(KERN_WARNING "%s: Invalid Rio Grande Table Version: %d\n", __FUNCTION__, rio_table_hdr->version); + printk(KERN_WARNING "%s: Invalid Rio Grande Table Version: %d\n", __func__, rio_table_hdr->version); return 0; case 2: scal_detail_size = 11; @@ -119,10 +124,10 @@ static int __init build_detail_arrays(void) } ptr = (unsigned long)rio_table_hdr + 3; - for(i = 0; i < rio_table_hdr->num_scal_dev; i++, ptr += scal_detail_size) + for (i = 0; i < rio_table_hdr->num_scal_dev; i++, ptr += scal_detail_size) scal_devs[i] = (struct scal_detail *)ptr; - for(i = 0; i < rio_table_hdr->num_rio_dev; i++, ptr += rio_detail_size) + for (i = 0; i < rio_table_hdr->num_rio_dev; i++, ptr += rio_detail_size) rio_devs[i] = (struct rio_detail *)ptr; return 1; @@ -140,9 +145,9 @@ void __init setup_summit(void) rio_table_hdr = NULL; offset = 0x180; - while (offset){ + while (offset) { /* The block id is stored in the 2nd word */ - if (*((unsigned short *)(ptr + offset + 2)) == 0x4752){ + if (*((unsigned short *)(ptr + offset + 2)) == 0x4752) { /* set the pointer past the offset & block id */ rio_table_hdr = (struct rio_table_hdr *)(ptr + offset + 4); break; @@ -150,8 +155,8 @@ void __init setup_summit(void) /* The next offset is stored in the 1st word. 0 means no more */ offset = *((unsigned short *)(ptr + offset)); } - if (!rio_table_hdr){ - printk(KERN_ERR "%s: Unable to locate Rio Grande Table in EBDA - bailing!\n", __FUNCTION__); + if (!rio_table_hdr) { + printk(KERN_ERR "%s: Unable to locate Rio Grande Table in EBDA - bailing!\n", __func__); return; } @@ -161,8 +166,8 @@ void __init setup_summit(void) /* The first Winnipeg we're looking for has an index of 0 */ next_wpeg = 0; do { - for(i = 0; i < rio_table_hdr->num_rio_dev; i++){ - if (is_WPEG(rio_devs[i]) && rio_devs[i]->WP_index == next_wpeg){ + for (i = 0; i < rio_table_hdr->num_rio_dev; i++) { + if (is_WPEG(rio_devs[i]) && rio_devs[i]->WP_index == next_wpeg) { /* It's the Winnipeg we're looking for! */ next_bus = setup_pci_node_map_for_wpeg(i, next_bus); next_wpeg++; |