HAOUAS Elyes has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/40791 )
Change subject: sb/intel/ibexpeak: Fix 16-bit read/write PCI_COMMAND register ......................................................................
sb/intel/ibexpeak: Fix 16-bit read/write PCI_COMMAND register
Change-Id: I212ef304a03d068232f50a71c318e2b468336339 Signed-off-by: Elyes HAOUAS ehaouas@noos.fr --- M src/southbridge/intel/ibexpeak/azalia.c M src/southbridge/intel/ibexpeak/me.c M src/southbridge/intel/ibexpeak/pch.c M src/southbridge/intel/ibexpeak/usb_ehci.c 4 files changed, 22 insertions(+), 20 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/91/40791/1
diff --git a/src/southbridge/intel/ibexpeak/azalia.c b/src/southbridge/intel/ibexpeak/azalia.c index eb75b12..3a66b2c 100644 --- a/src/southbridge/intel/ibexpeak/azalia.c +++ b/src/southbridge/intel/ibexpeak/azalia.c @@ -262,8 +262,8 @@ pci_write_config32(dev, 0xd0, reg32);
/* Set Bus Master */ - reg32 = pci_read_config32(dev, PCI_COMMAND); - pci_write_config32(dev, PCI_COMMAND, reg32 | PCI_COMMAND_MASTER); + reg16 = pci_read_config16(dev, PCI_COMMAND); + pci_write_config16(dev, PCI_COMMAND, reg16 | PCI_COMMAND_MASTER);
pci_write_config8(dev, 0x3c, 0x0a); // unused?
diff --git a/src/southbridge/intel/ibexpeak/me.c b/src/southbridge/intel/ibexpeak/me.c index 5f6be1d..e298fba 100644 --- a/src/southbridge/intel/ibexpeak/me.c +++ b/src/southbridge/intel/ibexpeak/me.c @@ -358,6 +358,7 @@ { struct me_hfs hfs; u32 reg32; + u16 reg16;
mei_base_address = (u32 *) (pci_read_config32(PCH_ME_DEV, PCI_BASE_ADDRESS_0) & ~0xf); @@ -380,10 +381,10 @@ mkhi_end_of_post();
/* Make sure IO is disabled */ - reg32 = pci_read_config32(PCH_ME_DEV, PCI_COMMAND); - reg32 &= ~(PCI_COMMAND_MASTER | + reg16 = pci_read_config16(PCH_ME_DEV, PCI_COMMAND); + reg16 &= ~(PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY | PCI_COMMAND_IO); - pci_write_config32(PCH_ME_DEV, PCI_COMMAND, reg32); + pci_write_config16(PCH_ME_DEV, PCI_COMMAND, reg16w);
/* Hide the PCI device */ RCBA32_OR(FD2, PCH_DISABLE_MEI1); @@ -475,7 +476,7 @@ { struct resource *res; struct mei_csr host; - u32 reg32; + u16 reg16;
/* Find the MMIO base for the ME interface */ res = find_resource(dev, PCI_BASE_ADDRESS_0); @@ -486,9 +487,9 @@ mei_base_address = (u32 *)(uintptr_t)res->base;
/* Ensure Memory and Bus Master bits are set */ - reg32 = pci_read_config32(dev, PCI_COMMAND); - reg32 |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY; - pci_write_config32(dev, PCI_COMMAND, reg32); + reg16 = pci_read_config16(dev, PCI_COMMAND); + reg16 |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY; + pci_write_config16(dev, PCI_COMMAND, reg16);
/* Clean up status for next message */ read_host_csr(&host); diff --git a/src/southbridge/intel/ibexpeak/pch.c b/src/southbridge/intel/ibexpeak/pch.c index 29c3a76..7e5a025 100644 --- a/src/southbridge/intel/ibexpeak/pch.c +++ b/src/southbridge/intel/ibexpeak/pch.c @@ -66,24 +66,24 @@
void pch_enable(struct device *dev) { - u32 reg32; + u16 reg16;
if (!dev->enabled) { printk(BIOS_DEBUG, "%s: Disabling device\n", dev_path(dev));
/* Ensure memory, io, and bus master are all disabled */ - reg32 = pci_read_config32(dev, PCI_COMMAND); - reg32 &= ~(PCI_COMMAND_MASTER | + reg16 = pci_read_config16(dev, PCI_COMMAND); + reg16 &= ~(PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY | PCI_COMMAND_IO); - pci_write_config32(dev, PCI_COMMAND, reg32); + pci_write_config16(dev, PCI_COMMAND, reg16);
/* Disable this device if possible */ pch_disable_devfn(dev); } else { /* Enable SERR */ - reg32 = pci_read_config32(dev, PCI_COMMAND); - reg32 |= PCI_COMMAND_SERR; - pci_write_config32(dev, PCI_COMMAND, reg32); + reg16 = pci_read_config16(dev, PCI_COMMAND); + reg16 |= PCI_COMMAND_SERR; + pci_write_config16(dev, PCI_COMMAND, reg16); } }
diff --git a/src/southbridge/intel/ibexpeak/usb_ehci.c b/src/southbridge/intel/ibexpeak/usb_ehci.c index 40ba758..0307fc7 100644 --- a/src/southbridge/intel/ibexpeak/usb_ehci.c +++ b/src/southbridge/intel/ibexpeak/usb_ehci.c @@ -13,6 +13,7 @@ static void usb_ehci_init(struct device *dev) { u32 reg32; + u16 reg16; struct resource *res; u8 access_cntl;
@@ -30,10 +31,10 @@ pci_write_config32(dev, 0xf4, 0x00808588); pci_write_config32(dev, 0xfc, 0x301b1728);
- reg32 = pci_read_config32(dev, PCI_COMMAND); - reg32 |= PCI_COMMAND_MASTER; - //reg32 |= PCI_COMMAND_SERR; - pci_write_config32(dev, PCI_COMMAND, reg32); + reg16 = pci_read_config16(dev, PCI_COMMAND); + reg16 |= PCI_COMMAND_MASTER; + //reg16 |= PCI_COMMAND_SERR; + pci_write_config16(dev, PCI_COMMAND, reg16);
access_cntl = pci_read_config8(dev, 0x80);