GNUBoot
/
coreboot-kgpe-d16
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

ibexpeak/azalia: Remove C4-register extended init. 

This sequence was derived from BD82X6X and on ibexpeak it inadvertently
disables interrupts. In older kernels it wasn't a problem but in new kernel
it makes codec probe fail.

Change-Id: I40184ae8c4cfe758869af1a1565b88f0a238150e
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/5074
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
This commit is contained in:
Vladimir Serbinenko 2014-01-28 14:28:49 +01:00
parent 56ffa7268c
commit d262a71957
1 changed files with 0 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
src/southbridge/intel/ibexpeak/azalia.c
View File

@ -278,26 +278,10 @@ static void azalia_init(struct device *dev)
reg8 |= (1 << 6);
pci_write_config8(dev, 0x43, reg8);
/* Additional programming steps */
reg32 = pci_read_config32(dev, 0xc4);
reg32 |= (1 << 13);
pci_write_config32(dev, 0xc4, reg32);
reg32 = pci_read_config32(dev, 0xc4);
reg32 |= (1 << 10);
pci_write_config32(dev, 0xc4, reg32);
reg32 = pci_read_config32(dev, 0xd0);
reg32 &= ~(1 << 31);
pci_write_config32(dev, 0xd0, reg32);
if (dev->device == 0x1e20) {
/* Additional step on Panther Point */
reg32 = pci_read_config32(dev, 0xc4);
reg32 |= (1 << 17);
pci_write_config32(dev, 0xc4, reg32);
}
/* Set Bus Master */
reg32 = pci_read_config32(dev, PCI_COMMAND);
pci_write_config32(dev, PCI_COMMAND, reg32 | PCI_COMMAND_MASTER);