diff options
| author | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2019-09-21 18:35:37 +0300 |
|---|---|---|
| committer | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2019-10-01 01:54:08 +0000 |
| commit | df128a55b183d3d7a6d7ae986f33abffac50f371 (patch) | |
| tree | 66f2cef1c9f2516da2783cb945b99f8223e74046 /src/northbridge/intel/i945/early_init.c | |
| parent | a84a7340b6291e209db2d5a3a28507816eec2223 (diff) | |
intel/pci: Utilise pci_def.h for PCI_BRIDGE_CONTROL
This is a PCI standard register, no need to alias its
definitions under different names.
Change-Id: Iea6b198dd70fe1e49b5dc0824dba62628dedc69a
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/35521
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src/northbridge/intel/i945/early_init.c')
| -rw-r--r-- | src/northbridge/intel/i945/early_init.c | 41 |
1 files changed, 20 insertions, 21 deletions
diff --git a/src/northbridge/intel/i945/early_init.c b/src/northbridge/intel/i945/early_init.c index f9167dfc97..ebff49c6ad 100644 --- a/src/northbridge/intel/i945/early_init.c +++ b/src/northbridge/intel/i945/early_init.c @@ -546,13 +546,13 @@ static void i945_setup_pci_express_x16(void) */ /* First we reset the secondary bus */ - reg16 = pci_read_config16(PCI_DEV(0, 0x01, 0), BCTRL1); - reg16 |= (1 << 6); /* SRESET */ - pci_write_config16(PCI_DEV(0, 0x01, 0), BCTRL1, reg16); + reg16 = pci_read_config16(PCI_DEV(0, 0x01, 0), PCI_BRIDGE_CONTROL); + reg16 |= PCI_BRIDGE_CTL_BUS_RESET; + pci_write_config16(PCI_DEV(0, 0x01, 0), PCI_BRIDGE_CONTROL, reg16); /* Read back and clear reset bit. */ - reg16 = pci_read_config16(PCI_DEV(0, 0x01, 0), BCTRL1); - reg16 &= ~(1 << 6); /* SRESET */ - pci_write_config16(PCI_DEV(0, 0x01, 0), BCTRL1, reg16); + reg16 = pci_read_config16(PCI_DEV(0, 0x01, 0), PCI_BRIDGE_CONTROL); + reg16 &= ~PCI_BRIDGE_CTL_BUS_RESET; /* SRESET */ + pci_write_config16(PCI_DEV(0, 0x01, 0), PCI_BRIDGE_CONTROL, reg16); reg16 = pci_read_config16(PCI_DEV(0, 0x01, 0), SLOTSTS); printk(BIOS_DEBUG, "SLOTSTS: %04x\n", reg16); @@ -610,12 +610,11 @@ static void i945_setup_pci_express_x16(void) reg32 |= 1; pci_write_config32(PCI_DEV(0, 0x01, 0), PEGSTS, reg32); - reg16 = pci_read_config16(PCI_DEV(0, 0x01, 0), BCTRL1); - - reg16 |= (1 << 6); - pci_write_config16(PCI_DEV(0, 0x01, 0), BCTRL1, reg16); - reg16 &= ~(1 << 6); - pci_write_config16(PCI_DEV(0, 0x01, 0), BCTRL1, reg16); + reg16 = pci_read_config16(PCI_DEV(0, 0x01, 0), PCI_BRIDGE_CONTROL); + reg16 |= PCI_BRIDGE_CTL_BUS_RESET; + pci_write_config16(PCI_DEV(0, 0x01, 0), PCI_BRIDGE_CONTROL, reg16); + reg16 &= ~PCI_BRIDGE_CTL_BUS_RESET; + pci_write_config16(PCI_DEV(0, 0x01, 0), PCI_BRIDGE_CONTROL, reg16); printk(BIOS_DEBUG, "PCIe link training ..."); timeout = 0x7ffff; @@ -663,9 +662,9 @@ static void i945_setup_pci_express_x16(void) pci_write_config32(PCI_DEV(0, 0x0, 0), DEVEN, reg32); /* Set VGA enable bit in PCIe bridge */ - reg16 = pci_read_config16(PCI_DEV(0, 0x1, 0), BCTRL1); - reg16 |= (1 << 3); - pci_write_config16(PCI_DEV(0, 0x1, 0), BCTRL1, reg16); + reg16 = pci_read_config16(PCI_DEV(0, 0x1, 0), PCI_BRIDGE_CONTROL); + reg16 |= PCI_BRIDGE_CTL_VGA; + pci_write_config16(PCI_DEV(0, 0x1, 0), PCI_BRIDGE_CONTROL, reg16); } /* Enable GPEs */ @@ -776,17 +775,17 @@ disable_pciexpress_x16_link: MCHBAR16(UPMC1) |= (1 << 5) | (1 << 0); - reg16 = pci_read_config16(PCI_DEV(0, 0x01, 0), BCTRL1); - reg16 |= (1 << 6); - pci_write_config16(PCI_DEV(0, 0x01, 0), BCTRL1, reg16); + reg16 = pci_read_config16(PCI_DEV(0, 0x01, 0), PCI_BRIDGE_CONTROL); + reg16 |= PCI_BRIDGE_CTL_BUS_RESET; + pci_write_config16(PCI_DEV(0, 0x01, 0), PCI_BRIDGE_CONTROL, reg16); reg32 = pci_read_config32(PCI_DEV(0, 0x01, 0), 0x224); reg32 |= (1 << 8); pci_write_config32(PCI_DEV(0, 0x01, 0), 0x224, reg32); - reg16 = pci_read_config16(PCI_DEV(0, 0x01, 0), BCTRL1); - reg16 &= ~(1 << 6); - pci_write_config16(PCI_DEV(0, 0x01, 0), BCTRL1, reg16); + reg16 = pci_read_config16(PCI_DEV(0, 0x01, 0), PCI_BRIDGE_CONTROL); + reg16 &= ~PCI_BRIDGE_CTL_BUS_RESET; + pci_write_config16(PCI_DEV(0, 0x01, 0), PCI_BRIDGE_CONTROL, reg16); printk(BIOS_DEBUG, "Wait for link to enter detect state... "); timeout = 0x7fffff; |