/*
-* This file is part of the LinuxBIOS project.
-*
-* Copyright (C) 2007 Advanced Micro Devices
-*
-* This program is free software; you can redistribute it and/or modify
-* it under the terms of the GNU General Public License version 2 as
-* published by the Free Software Foundation.
-*
-* This program is distributed in the hope that it will be useful,
-* but WITHOUT ANY WARRANTY; without even the implied warranty of
-* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-* GNU General Public License for more details.
-*
-* You should have received a copy of the GNU General Public License
-* along with this program; if not, write to the Free Software
-* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-*/
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007 Advanced Micro Devices, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
#include <arch/pirq_routing.h>
#include <console/console.h>
#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 * CONFIG_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 CONFIG_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){
- int i, j, k, num_entries;
- unsigned char pirq[4];
- uint16_t chipset_irq_map;
- uint32_t pciAddr, pirtable_end;
- struct irq_routing_table *pirq_tbl;
-
- pirtable_end = copy_pirq_routing_table(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);
- outl(pciAddr & ~3, 0xCF8);
- outl(chipset_irq_map, 0xCFC);
-
- pirq_tbl = (struct irq_routing_table *)(addr);
- 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# */
- 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} */
- }
-
- /* put the PIR table in memory and checksum */
- return pirtable_end;
+unsigned long write_pirq_routing_table(unsigned long addr)
+{
+ return copy_pirq_routing_table(addr);
}
projects / coreboot.git / blobdiff