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mb/dell/e6400/acpi: Route Ricoh R5C847 PCI IRQ lines as DBC 

Based on the schematic and vendor ASL code, PCI interrupt lines ABC of
the Ricoh R5C847 PC Card/Media Card/FireWire controller are routed DBC.
From lspci and the schematic this chip is PCI device 1. The original
config copied from the T400 was routed ABCD->BCDA, causing Linux to
issue an "irq 18: nobody cared" message when inserting an SD card.
This is fixed by this patch and the SD card now works properly.

Change-Id: Iede1de72d5369f1aebbac170792733739add3431
Signed-off-by: Nicholas Chin <nic.c3.14@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75411
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
This commit is contained in:
Nicholas Chin 2023-05-23 20:59:56 -06:00 committed by Felix Held
parent 3813ca521a
commit 5c1455495e
1 changed files with 8 additions and 77 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

85
src/mainboard/dell/e6400/acpi/ich9_pci_irqs.asl
View File

@ -4,87 +4,18 @@
* 0:1e.0 PCI bridge of the ICH9 * 0:1e.0 PCI bridge of the ICH9
*/ */
/* TODO: which slots are actually relevant? */
If (PICM) { If (PICM) {
Return (Package() { Return (Package() {
// PCI Slot 1 routes ABCD // PCI Device 1, Ricoh R5C847 routes DBC
Package() { 0x0000ffff, 0, 0, 16}, Package() { 0x0001ffff, 0, 0, 19},
Package() { 0x0000ffff, 1, 0, 17}, Package() { 0x0001ffff, 1, 0, 17},
Package() { 0x0000ffff, 2, 0, 18}, Package() { 0x0001ffff, 2, 0, 18},
Package() { 0x0000ffff, 3, 0, 19},
// PCI Slot 2 routes BCDA
Package() { 0x0001ffff, 0, 0, 17},
Package() { 0x0001ffff, 1, 0, 18},
Package() { 0x0001ffff, 2, 0, 19},
Package() { 0x0001ffff, 3, 0, 16},
// PCI Slot 3 routes CDAB
Package() { 0x0002ffff, 0, 0, 18},
Package() { 0x0002ffff, 1, 0, 19},
Package() { 0x0002ffff, 2, 0, 16},
Package() { 0x0002ffff, 3, 0, 17},
// PCI Slot 4 routes ABCD
Package() { 0x0003ffff, 0, 0, 16},
Package() { 0x0003ffff, 1, 0, 17},
Package() { 0x0003ffff, 2, 0, 18},
Package() { 0x0003ffff, 3, 0, 19},
// PCI Slot 5 routes ABCD
Package() { 0x0004ffff, 0, 0, 16},
Package() { 0x0004ffff, 1, 0, 17},
Package() { 0x0004ffff, 2, 0, 18},
Package() { 0x0004ffff, 3, 0, 19},
// PCI Slot 6 routes BCDA
Package() { 0x0005ffff, 0, 0, 17},
Package() { 0x0005ffff, 1, 0, 18},
Package() { 0x0005ffff, 2, 0, 19},
Package() { 0x0005ffff, 3, 0, 16},
// FIXME: what's this supposed to mean? (adopted from ich7)
//Package() { 0x0008ffff, 0, 0, 20},
}) })
} Else { } Else {
Return (Package() { Return (Package() {
// PCI Slot 1 routes ABCD // PCI Device 1, Ricoh R5C847 routes DBC
Package() { 0x0000ffff, 0, \_SB.PCI0.LPCB.LNKA, 0}, Package() { 0x0001ffff, 0, \_SB.PCI0.LPCB.LNKD, 0},
Package() { 0x0000ffff, 1, \_SB.PCI0.LPCB.LNKB, 0}, Package() { 0x0001ffff, 1, \_SB.PCI0.LPCB.LNKB, 0},
Package() { 0x0000ffff, 2, \_SB.PCI0.LPCB.LNKC, 0}, Package() { 0x0001ffff, 2, \_SB.PCI0.LPCB.LNKC, 0},
Package() { 0x0000ffff, 3, \_SB.PCI0.LPCB.LNKD, 0},
// PCI Slot 2 routes BCDA
Package() { 0x0001ffff, 0, \_SB.PCI0.LPCB.LNKB, 0},
Package() { 0x0001ffff, 1, \_SB.PCI0.LPCB.LNKC, 0},
Package() { 0x0001ffff, 2, \_SB.PCI0.LPCB.LNKD, 0},
Package() { 0x0001ffff, 3, \_SB.PCI0.LPCB.LNKA, 0},
// PCI Slot 3 routes CDAB
Package() { 0x0002ffff, 0, \_SB.PCI0.LPCB.LNKC, 0},
Package() { 0x0002ffff, 1, \_SB.PCI0.LPCB.LNKD, 0},
Package() { 0x0002ffff, 2, \_SB.PCI0.LPCB.LNKA, 0},
Package() { 0x0002ffff, 3, \_SB.PCI0.LPCB.LNKB, 0},
// PCI Slot 4 routes ABCD
Package() { 0x0003ffff, 0, \_SB.PCI0.LPCB.LNKA, 0},
Package() { 0x0003ffff, 1, \_SB.PCI0.LPCB.LNKB, 0},
Package() { 0x0003ffff, 2, \_SB.PCI0.LPCB.LNKC, 0},
Package() { 0x0003ffff, 3, \_SB.PCI0.LPCB.LNKD, 0},
// PCI Slot 5 routes ABCD
Package() { 0x0004ffff, 0, \_SB.PCI0.LPCB.LNKA, 0},
Package() { 0x0004ffff, 1, \_SB.PCI0.LPCB.LNKB, 0},
Package() { 0x0004ffff, 2, \_SB.PCI0.LPCB.LNKC, 0},
Package() { 0x0004ffff, 3, \_SB.PCI0.LPCB.LNKD, 0},
// PCI Slot 6 routes BCDA
Package() { 0x0005ffff, 0, \_SB.PCI0.LPCB.LNKB, 0},
Package() { 0x0005ffff, 1, \_SB.PCI0.LPCB.LNKC, 0},
Package() { 0x0005ffff, 2, \_SB.PCI0.LPCB.LNKD, 0},
Package() { 0x0005ffff, 3, \_SB.PCI0.LPCB.LNKA, 0},
// FIXME
// Package() { 0x0008ffff, 0, \_SB.PCI0.LPCB.LNKE, 0},
}) })
} }