diff options
Diffstat (limited to 'src/mainboard/artecgroup/dbe61/irq_tables.c')
| -rw-r--r-- | src/mainboard/artecgroup/dbe61/irq_tables.c | 141 |
1 files changed, 93 insertions, 48 deletions
diff --git a/src/mainboard/artecgroup/dbe61/irq_tables.c b/src/mainboard/artecgroup/dbe61/irq_tables.c index 4322e20e9b..07ded9d386 100644 --- a/src/mainboard/artecgroup/dbe61/irq_tables.c +++ b/src/mainboard/artecgroup/dbe61/irq_tables.c @@ -1,60 +1,105 @@ -/* This file was generated by getpir.c, do not modify! - (but if you do, please run checkpir on it to verify) - * Contains the IRQ Routing Table dumped directly from your memory, which BIOS sets up +/* + * This file is part of the LinuxBIOS project. * - * Documentation at : http://www.microsoft.com/hwdev/busbios/PCIIRQ.HTM -*/ + * 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> +#include <arch/io.h> +#include <arch/pirq_routing.h> +#include "../../../southbridge/amd/cs5536/cs5536.h" -#define ID_SLOT_PCI_NET 1 // ThinCan ethernet -#define ID_SLOT_PCI_RSVD1 2 // reserved entry 1 -#define ID_SLOT_PCI_RSVD3 3 // reserved entry 2 -#define ID_SLOT_PCI_RSVD2 4 // reserved entry 3 -#define ID_EMBED_PCI 0xff // onboard PCI device +/* Platform IRQs */ +#define PIRQA 10 +#define PIRQB 11 +#define PIRQC 10 +#define PIRQD 11 -// CS5535 PCI INT[A-D] Interrupt Routing lines. -#define NO_CONNECT 0 // not used -#define CS_PCI_INTA 1 // PCI INTA -#define CS_PCI_INTB 2 // PCI INTB -#define CS_PCI_INTC 3 // PCI INTC -#define CS_PCI_INTD 4 // PCI INTD +/* 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 */ -// IRQ bitmap reference line FEDCBA9876543210 -// 0000110000100000b -#define PCI_IRQ 0xc20 // PCI allowed IRQs here +/* 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# */ -const struct irq_routing_table intel_irq_routing_table = -{ - PIRQ_SIGNATURE, /* u32 signature */ - PIRQ_VERSION, /* u16 version */ - 32+16*6, /* there can be total 2 devices on the bus */ - 0x00, /* Where the interrupt router lies (bus) */ - (0x12<<3)|0x0, /* Where the interrupt router lies (dev) */ - 0x0800, /* IRQs devoted exclusively to PCI usage */ - 0x1022, /* Vendor */ - 0x208f, /* Device */ - 0x00000000, /* Crap (miniport) */ - { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* u8 rfu[11] */ - 0xdf, /* u8 checksum , this hase to set to some value that would give 0 after the sum of all bytes for this structure (including checksum) */ +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 */ + 0x00, /* Where the interrupt router lies (bus) */ + (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) */ { - /* bus, dev|fn, {link, bitmap}, {link, bitmap}, {link, bitmap}, {link, bitmap}, slot, rfu */ - // Geode GX3 Host Bridge and VGA Graphics - {0, 0x01<<3, {{CS_PCI_INTA, PCI_IRQ}, {NO_CONNECT, PCI_IRQ}, {NO_CONNECT, PCI_IRQ}, {NO_CONNECT, PCI_IRQ}}, ID_EMBED_PCI, 0x0}, - // Realtek RTL8100/8139 Network Controller - {0, 0x0d<<3, {{CS_PCI_INTB, PCI_IRQ}, {CS_PCI_INTC, PCI_IRQ}, {CS_PCI_INTD, PCI_IRQ}, {CS_PCI_INTA, PCI_IRQ}}, ID_SLOT_PCI_NET, 0x0}, - // Reserved for future extensions - {0, 0x0c<<3, {{CS_PCI_INTA, PCI_IRQ}, {CS_PCI_INTB, PCI_IRQ}, {CS_PCI_INTC, PCI_IRQ}, {CS_PCI_INTD, PCI_IRQ}}, ID_SLOT_PCI_RSVD1, 0x0}, - // Geode CS5535/CS5536 IO Companion: USB controllers, IDE, Audio. - {0, 0x0f<<3, {{CS_PCI_INTA, PCI_IRQ}, {CS_PCI_INTB, PCI_IRQ}, {CS_PCI_INTC, PCI_IRQ}, {CS_PCI_INTD, PCI_IRQ}}, ID_EMBED_PCI, 0x0}, - // Reserved for future extensions - {0, 0x0e<<3, {{CS_PCI_INTC, PCI_IRQ}, {CS_PCI_INTD, PCI_IRQ}, {CS_PCI_INTA, PCI_IRQ}, {CS_PCI_INTB, PCI_IRQ}}, ID_SLOT_PCI_RSVD2, 0x0}, - // Reserved for future extensions - {0, 0x0b<<3, {{CS_PCI_INTD, PCI_IRQ}, {CS_PCI_INTA, PCI_IRQ}, {CS_PCI_INTB, PCI_IRQ}, {CS_PCI_INTC, PCI_IRQ}}, ID_SLOT_PCI_RSVD3, 0x0} - } + /* 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_PIRQC, M_PIRQC}, {0x00, 0x00}, {0x00, 0x00}, {0x00, 0x00}}, 0x0, 0x0}, /* ethernet */ + } }; unsigned long write_pirq_routing_table(unsigned long addr) { - return copy_pirq_routing_table(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); + } + + /* Bus, device, slots IRQs for {A,B,C,D}. */ + pci_assign_irqs(pirq_tbl->slots[i].bus, + pirq_tbl->slots[i].devfn >> 3, pirq); + } + + /* Put the PIR table in memory and checksum. */ + return pirtable_end; +}
\ No newline at end of file |