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New irq table, and a correct setting for 

the 5c register in the southbridge so that interrupts are routed
correctly.
With this patch, ethernet works quite well.
Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>

Acked-by: Stefan Reinauer <stepan@coresystems.de>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2640 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Ronald G. Minnich 2007-05-08 16:04:36 +00:00
parent 50b0b8702c
commit 6b83e46f3b
1 changed files with 28 additions and 86 deletions
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114
src/mainboard/digitallogic/msm800sev/irq_tables.c
View File

@ -1,65 +1,3 @@
#if 0
/* 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
*
* Documentation at : http://www.microsoft.com/hwdev/busbios/PCIIRQ.HTM
*/
#include <arch/pirq_routing.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
// 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
// IRQ bitmap reference line FEDCBA9876543210
// 0000110000100000b
#define PCI_IRQ 0xc20 // PCI allowed IRQs here
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) */
{
/* 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}
}
};
unsigned long write_pirq_routing_table(unsigned long addr)
{
return copy_pirq_routing_table(addr);
}
#endif
/*
* This file is part of the LinuxBIOS project.
*
@ -104,31 +42,34 @@ unsigned long write_pirq_routing_table(unsigned long addr)
#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 */
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) */
{
/* 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,(0x0C<<3)|0x0, {{L_PIRQB, M_PIRQB}, {L_PIRQC, M_PIRQC}, {L_PIRQD, M_PIRQD}, {L_PIRQA, M_PIRQA}}, 0x1, 0x0}, /* slot1 */
{0x00,(0x0D<<3)|0x0, {{L_PIRQC, M_PIRQC}, {L_PIRQD, M_PIRQD}, {L_PIRQA, M_PIRQA}, {L_PIRQB, M_PIRQB}}, 0x2, 0x0}, /* slot2 */
{0x00,(0x0A<<3)|0x0, {{L_PIRQD, M_PIRQD}, {L_PIRQA, M_PIRQA}, {L_PIRQB, M_PIRQB}, {L_PIRQC, M_PIRQC}}, 0x3, 0x0}, /* slot3 */
{0x00,(0x0B<<3)|0x0, {{L_PIRQA, M_PIRQA}, {L_PIRQB, M_PIRQB}, {L_PIRQC, M_PIRQC}, {L_PIRQD, M_PIRQD}}, 0x4, 0x0}, /* slot4 */
}
PIRQ_SIGNATURE, /* u32 signature */
PIRQ_VERSION, /* u16 version */
32+16*9, /* There can be total 9 devices on the bus */
0x00, /* Where the interrupt router lies (bus) */
(0x0f<<3)|0x0, /* Where the interrupt router lies (dev) */
0, /* IRQs devoted exclusively to PCI usage */
0x100b, /* Vendor */
0x2b, /* Device */
0, /* Crap (miniport) */
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* u8 rfu[11] */
0xe, /* u8 checksum. This has to be 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 */
{0x00,(0x01<<3)|0x0, {{0x01, 0x0400}, {0x00, 0x0000}, {0x00, 0x0000}, {0x00, 0x00000}}, 0x0, 0x0},
{0x00,(0x0f<<3)|0x0, {{0x01, 0x0400}, {0x02, 0x0800}, {0x03, 0x0400}, {0x04, 0x00800}}, 0x0, 0x0},
{0x00,(0x13<<3)|0x0, {{0x01, 0x0400}, {0x00, 0x0000}, {0x00, 0x0000}, {0x00, 0x00000}}, 0x0, 0x0},
{0x00,(0x12<<3)|0x0, {{0x03, 0x0400}, {0x00, 0x0000}, {0x00, 0x0000}, {0x00, 0x00000}}, 0x0, 0x0},
{0x00,(0x11<<3)|0x0, {{0x01, 0x0400}, {0x02, 0x0800}, {0x00, 0x0000}, {0x00, 0x00000}}, 0x0, 0x0},
{0x00,(0x0a<<3)|0x0, {{0x01, 0x0400}, {0x02, 0x0800}, {0x03, 0x0400}, {0x04, 0x00800}}, 0x1, 0x0},
{0x00,(0x0b<<3)|0x0, {{0x02, 0x0800}, {0x03, 0x0400}, {0x04, 0x0800}, {0x01, 0x00400}}, 0x2, 0x0},
{0x00,(0x0c<<3)|0x0, {{0x03, 0x0400}, {0x04, 0x0800}, {0x01, 0x0400}, {0x02, 0x00800}}, 0x3, 0x0},
{0x00,(0x0d<<3)|0x0, {{0x04, 0x0800}, {0x01, 0x0400}, {0x02, 0x0800}, {0x03, 0x00400}}, 0x4, 0x0},
}
};
unsigned long write_pirq_routing_table(unsigned long addr){
int i, j, k, num_entries;
unsigned int pirq[4];
@ -140,7 +81,7 @@ 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);
chipset_irq_map = (11 << 12 | 10 << 8 | 11 << 4 | 10);
printk_debug("%s(%08X, %04X)\n", __FUNCTION__, pciAddr, chipset_irq_map);
outl(pciAddr & ~3, 0xCF8);
outl(chipset_irq_map, 0xCFC);
@ -162,4 +103,5 @@ unsigned long write_pirq_routing_table(unsigned long addr){
/* put the PIR table in memory and checksum */
return pirtable_end;
}
}