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[PULL 09/20] via-ide: initialise IDE controller in legacy mode
From: |
John Snow |
Subject: |
[PULL 09/20] via-ide: initialise IDE controller in legacy mode |
Date: |
Tue, 17 Mar 2020 19:23:18 -0400 |
From: Mark Cave-Ayland <address@hidden>
According to both the VT82C686B and VT8231 datasheets the VIA Southbridge IDE
controller is initialised in legacy mode.
This allows Linux to correctly determine that legacy rather than PCI IRQ routing
should be used since the boot console text in the fulong2e test image changes
from:
scsi0 : pata_via
scsi1 : pata_via
ata1: PATA max UDMA/100 cmd 0xffffffffbfd04050 ctl 0xffffffffbfd04062 \
bmdma 0xffffffffbfd04040 irq 14
ata2: PATA max UDMA/100 cmd 0xffffffffbfd04058 ctl 0xffffffffbfd04066 \
bmdma 0xffffffffbfd04048 irq 14
to:
scsi0 : pata_via
scsi1 : pata_via
ata1: PATA max UDMA/100 cmd 0xffffffffbfd001f0 ctl 0xffffffffbfd003f6 \
bmdma 0xffffffffbfd04040 irq 14
ata2: PATA max UDMA/100 cmd 0xffffffffbfd00170 ctl 0xffffffffbfd00376 \
bmdma 0xffffffffbfd04048 irq 15
Signed-off-by: Mark Cave-Ayland <address@hidden>
Tested-by: BALATON Zoltan <address@hidden>
Signed-off-by: BALATON Zoltan <address@hidden>
Message-id: address@hidden
Signed-off-by: John Snow <address@hidden>
---
hw/ide/via.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/ide/via.c b/hw/ide/via.c
index 8363bd4802..c8835de01b 100644
--- a/hw/ide/via.c
+++ b/hw/ide/via.c
@@ -167,7 +167,7 @@ static void via_ide_realize(PCIDevice *dev, Error **errp)
uint8_t *pci_conf = dev->config;
int i;
- pci_config_set_prog_interface(pci_conf, 0x8f); /* native PCI ATA mode */
+ pci_config_set_prog_interface(pci_conf, 0x8a); /* legacy mode */
pci_set_long(pci_conf + PCI_CAPABILITY_LIST, 0x000000c0);
dev->wmask[PCI_INTERRUPT_LINE] = 0;
--
2.21.1
- [PULL 00/20] Ide patches, John Snow, 2020/03/17
- [PULL 01/20] cmd646: register cmd646_reset() function in DeviceClass, John Snow, 2020/03/17
- [PULL 02/20] cmd646: register vmstate_ide_pci VMStateDescription in DeviceClass, John Snow, 2020/03/17
- [PULL 03/20] dp264: use pci_create_simple() to initialise the cmd646 device, John Snow, 2020/03/17
- [PULL 04/20] cmd646: remove unused pci_cmd646_ide_init() function, John Snow, 2020/03/17
- [PULL 05/20] via-ide: move registration of VMStateDescription to DeviceClass, John Snow, 2020/03/17
- [PULL 06/20] ide/via: Get rid of via_ide_init(), John Snow, 2020/03/17
- [PULL 07/20] pci: Honour wmask when resetting PCI_INTERRUPT_LINE, John Snow, 2020/03/17
- [PULL 08/20] via-ide: ensure that PCI_INTERRUPT_LINE is hard-wired to its default value, John Snow, 2020/03/17
- [PULL 09/20] via-ide: initialise IDE controller in legacy mode,
John Snow <=
- [PULL 10/20] via-ide: allow guests to write to PCI_CLASS_PROG, John Snow, 2020/03/17
- [PULL 11/20] via-ide: always use legacy IRQ 14/15 routing, John Snow, 2020/03/17
- [PULL 12/20] hd-geo-test: Clean up use of buf[] in create_qcow2_with_mbr(), John Snow, 2020/03/17
- [PULL 13/20] hw/ide: Get rid of piix3_init functions, John Snow, 2020/03/17
- [PULL 14/20] hw/isa/piix4.c: Introduce variable to store devfn, John Snow, 2020/03/17
- [PULL 15/20] hw/ide: Get rid of piix4_init function, John Snow, 2020/03/17
- [PULL 16/20] hw/ide: Remove now unneded #include "hw/pci/pci.h" from hw/ide.h, John Snow, 2020/03/17
- [PULL 17/20] hw/ide/pci.c: Coding style update to fix checkpatch errors, John Snow, 2020/03/17
- [PULL 18/20] hw/ide: Do ide_drive_get() within pci_ide_create_devs(), John Snow, 2020/03/17
- [PULL 19/20] hw/ide: Move MAX_IDE_DEVS define to hw/ide/internal.h, John Snow, 2020/03/17