diff options
Diffstat (limited to 'src/mainboard/amd/norwich/irq_tables.c')
-rw-r--r-- | src/mainboard/amd/norwich/irq_tables.c | 72 |
1 files changed, 37 insertions, 35 deletions
diff --git a/src/mainboard/amd/norwich/irq_tables.c b/src/mainboard/amd/norwich/irq_tables.c index 8a1476c322..6233b9d13d 100644 --- a/src/mainboard/amd/norwich/irq_tables.c +++ b/src/mainboard/amd/norwich/irq_tables.c @@ -30,43 +30,43 @@ #define PIRQD 10 /* Map */ -#define M_PIRQA (1 << PIRQA) /* Bitmap of supported IRQs */ -#define M_PIRQB (1 << PIRQB) /* Bitmap of supported IRQs */ -#define M_PIRQC (1 << PIRQC) /* Bitmap of supported IRQs */ -#define M_PIRQD (1 << PIRQD) /* Bitmap of supported IRQs */ +#define M_PIRQA (1 << PIRQA) /* Bitmap of supported IRQs */ +#define M_PIRQB (1 << PIRQB) /* Bitmap of supported IRQs */ +#define M_PIRQC (1 << PIRQC) /* Bitmap of supported IRQs */ +#define M_PIRQD (1 << PIRQD) /* Bitmap of supported IRQs */ /* Link */ -#define L_PIRQA 1 /* Means Slot INTx# Connects To Chipset INTA# */ -#define L_PIRQB 2 /* Means Slot INTx# Connects To Chipset INTB# */ -#define L_PIRQC 3 /* Means Slot INTx# Connects To Chipset INTC# */ -#define L_PIRQD 4 /* Means Slot INTx# Connects To Chipset INTD# */ +#define L_PIRQA 1 /* Means Slot INTx# Connects To Chipset INTA# */ +#define L_PIRQB 2 /* Means Slot INTx# Connects To Chipset INTB# */ +#define L_PIRQC 3 /* Means Slot INTx# Connects To Chipset INTC# */ +#define L_PIRQD 4 /* Means Slot INTx# Connects To Chipset INTD# */ const struct irq_routing_table intel_irq_routing_table = { - PIRQ_SIGNATURE, /* u32 signature */ - PIRQ_VERSION, /* u16 version */ - 32+16*IRQ_SLOT_COUNT, /* there can be total 6 devices on the bus */ + PIRQ_SIGNATURE, /* u32 signature */ + PIRQ_VERSION, /* u16 version */ + 32 + 16 * IRQ_SLOT_COUNT, /* there can be total 6 devices on the bus */ 0x00, /* Where the interrupt router lies (bus) */ - (0x0F<<3)|0x0, /* Where the interrupt router lies (dev) */ + (0x0F << 3) | 0x0, /* Where the interrupt router lies (dev) */ 0x00, /* IRQs devoted exclusively to PCI usage */ 0x100B, /* Vendor */ 0x002B, /* Device */ - 0, /* Crap (miniport) */ - { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* u8 rfu[11] */ - 0x00, /* u8 checksum , this has to set to some value that would give 0 after the sum of all bytes for this structure (including checksum) */ + 0, /* Crap (miniport) */ + {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, /* u8 rfu[11] */ + 0x00, /* u8 checksum , this has to set to some value that would give 0 after the sum of all bytes for this structure (including checksum) */ { - /* If you change the number of entries, change the IRQ_SLOT_COUNT above! */ - /* bus, dev|fn, {link, bitmap}, {link, bitmap}, {link, bitmap}, {link, bitmap}, slot, rfu */ - {0x00,(0x01<<3)|0x0, {{L_PIRQA, M_PIRQA}, {0x00, 0x00}, {0x00, 0x00}, {0x00, 0x00}}, 0x0, 0x0}, /* cpu */ - {0x00,(0x0F<<3)|0x0, {{L_PIRQA, M_PIRQA}, {L_PIRQB, M_PIRQB}, {L_PIRQC, M_PIRQC}, {L_PIRQD, M_PIRQD}}, 0x0, 0x0}, /* chipset */ - {0x00,(0x0D<<3)|0x0, {{L_PIRQB, M_PIRQB}, {L_PIRQC, M_PIRQC}, {L_PIRQD, M_PIRQD}, {L_PIRQA, M_PIRQA}}, 0x1, 0x0}, /* slot1 */ - {0x00,(0x0E<<3)|0x0, {{L_PIRQC, M_PIRQC}, {L_PIRQD, M_PIRQD}, {L_PIRQA, M_PIRQA}, {L_PIRQB, M_PIRQB}}, 0x2, 0x0}, /* slot2 */ - {0x00,(0x0B<<3)|0x0, {{L_PIRQD, M_PIRQD}, {L_PIRQA, M_PIRQA}, {L_PIRQB, M_PIRQB}, {L_PIRQC, M_PIRQC}}, 0x3, 0x0}, /* slot3 */ - {0x00,(0x0C<<3)|0x0, {{L_PIRQA, M_PIRQA}, {L_PIRQB, M_PIRQB}, {L_PIRQC, M_PIRQC}, {L_PIRQD, M_PIRQD}}, 0x4, 0x0}, /* slot4 */ - } + /* If you change the number of entries, change the IRQ_SLOT_COUNT above! */ + /* bus, dev|fn, {link, bitmap}, {link, bitmap}, {link, bitmap}, {link, bitmap}, slot, rfu */ + {0x00, (0x01 << 3) | 0x0, {{L_PIRQA, M_PIRQA}, {0x00, 0x00}, {0x00, 0x00}, {0x00, 0x00}}, 0x0, 0x0}, /* cpu */ + {0x00, (0x0F << 3) | 0x0, {{L_PIRQA, M_PIRQA}, {L_PIRQB, M_PIRQB}, {L_PIRQC, M_PIRQC}, {L_PIRQD, M_PIRQD}}, 0x0, 0x0}, /* chipset */ + {0x00, (0x0D << 3) | 0x0, {{L_PIRQB, M_PIRQB}, {L_PIRQC, M_PIRQC}, {L_PIRQD, M_PIRQD}, {L_PIRQA, M_PIRQA}}, 0x1, 0x0}, /* slot1 */ + {0x00, (0x0E << 3) | 0x0, {{L_PIRQC, M_PIRQC}, {L_PIRQD, M_PIRQD}, {L_PIRQA, M_PIRQA}, {L_PIRQB, M_PIRQB}}, 0x2, 0x0}, /* slot2 */ + {0x00, (0x0B << 3) | 0x0, {{L_PIRQD, M_PIRQD}, {L_PIRQA, M_PIRQA}, {L_PIRQB, M_PIRQB}, {L_PIRQC, M_PIRQC}}, 0x3, 0x0}, /* slot3 */ + {0x00, (0x0C << 3) | 0x0, {{L_PIRQA, M_PIRQA}, {L_PIRQB, M_PIRQB}, {L_PIRQC, M_PIRQC}, {L_PIRQD, M_PIRQD}}, 0x4, 0x0}, /* slot4 */ + } }; - -unsigned long write_pirq_routing_table(unsigned long addr){ +unsigned long write_pirq_routing_table(unsigned long addr) +{ int i, j, k, num_entries; unsigned char pirq[4]; uint16_t chipset_irq_map; @@ -78,24 +78,26 @@ unsigned long write_pirq_routing_table(unsigned long addr){ /* Set up chipset IRQ steering */ pciAddr = 0x80000000 | (CHIPSET_DEV_NUM << 11) | 0x5C; chipset_irq_map = (PIRQD << 12 | PIRQC << 8 | PIRQB << 4 | PIRQA); - printk_debug("%s(%08X, %04X)\n", __FUNCTION__, pciAddr, chipset_irq_map); + printk_debug("%s(%08X, %04X)\n", __FUNCTION__, pciAddr, + chipset_irq_map); outl(pciAddr & ~3, 0xCF8); outl(chipset_irq_map, 0xCFC); pirq_tbl = (struct irq_routing_table *)(addr); - num_entries = (pirq_tbl->size - 32)/16; + num_entries = (pirq_tbl->size - 32) / 16; /* Set PCI IRQs */ - for (i=0; i < num_entries; i++){ - printk_debug("PIR Entry %d Dev/Fn: %X Slot: %d\n", i, pirq_tbl->slots[i].devfn, pirq_tbl->slots[i].slot); - for (j = 0; j < 4; j++){ - printk_debug("INT: %c bitmap: %x ", 'A'+j, pirq_tbl->slots[i].irq[j].bitmap); - for (k = 0; (!((pirq_tbl->slots[i].irq[j].bitmap >> k) & 1)) && (pirq_tbl->slots[i].irq[j].bitmap != 0); k++); /* finds lsb in bitmap to IRQ# */ + for (i = 0; i < num_entries; i++) { + printk_debug("PIR Entry %d Dev/Fn: %X Slot: %d\n", i, + pirq_tbl->slots[i].devfn, pirq_tbl->slots[i].slot); + for (j = 0; j < 4; j++) { + printk_debug("INT: %c bitmap: %x ", 'A' + j, + pirq_tbl->slots[i].irq[j].bitmap); + for (k = 0; (!((pirq_tbl->slots[i].irq[j].bitmap >> k) & 1)) && (pirq_tbl->slots[i].irq[j].bitmap != 0); k++) ; /* finds lsb in bitmap to IRQ# */ pirq[j] = k; printk_debug("PIRQ: %d\n", k); } - pci_assign_irqs(pirq_tbl->slots[i].bus, - pirq_tbl->slots[i].devfn >> 3, pirq); /* bus, device, slots IRQs for {A,B,C,D} */ + pci_assign_irqs(pirq_tbl->slots[i].bus, pirq_tbl->slots[i].devfn >> 3, pirq); /* bus, device, slots IRQs for {A,B,C,D} */ } /* put the PIR table in memory and checksum */ |