From 34cf5619f929775efd819468ba6036e637cfbd85 Mon Sep 17 00:00:00 2001 From: Kyösti Mälkki Date: Mon, 11 Mar 2019 20:34:26 +0200 Subject: device/pci_ops: Reuse romstage PCI config for ramstage MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit By changing the signatures we do not need to define PCI config accessors separately for ramstage. Change-Id: I9364cb34fe8127972c772516a0a0b1d281c5ed00 Signed-off-by: Kyösti Mälkki Reviewed-on: https://review.coreboot.org/c/coreboot/+/31685 Tested-by: build bot (Jenkins) Reviewed-by: Nico Huber --- src/arch/x86/pci_ops_conf1.c | 64 ++++++-------------------------------------- 1 file changed, 8 insertions(+), 56 deletions(-) (limited to 'src/arch') diff --git a/src/arch/x86/pci_ops_conf1.c b/src/arch/x86/pci_ops_conf1.c index 4e2f24e3dd..03c2b64183 100644 --- a/src/arch/x86/pci_ops_conf1.c +++ b/src/arch/x86/pci_ops_conf1.c @@ -14,65 +14,17 @@ #include #include #include +#include + /* * Functions for accessing PCI configuration space with type 1 accesses */ -#if !CONFIG(PCI_IO_CFG_EXT) -#define CONF_CMD(dev, reg) (0x80000000 | ((dev)->bus->secondary << 16) | \ - ((dev)->path.pci.devfn << 8) | (reg & ~3)) -#else -#define CONF_CMD(dev, reg) (0x80000000 | ((dev)->bus->secondary << 16) | \ - ((dev)->path.pci.devfn << 8) | ((reg & 0xff) & ~3) |\ - ((reg & 0xf00)<<16)) -#endif - -static uint8_t pci_conf1_read_config8(const struct device *dev, uint16_t reg) -{ - outl(CONF_CMD(dev, reg), 0xCF8); - return inb(0xCFC + (reg & 3)); -} - -static uint16_t pci_conf1_read_config16(const struct device *dev, uint16_t reg) -{ - outl(CONF_CMD(dev, reg), 0xCF8); - return inw(0xCFC + (reg & 2)); -} - -static uint32_t pci_conf1_read_config32(const struct device *dev, uint16_t reg) -{ - outl(CONF_CMD(dev, reg), 0xCF8); - return inl(0xCFC); -} - -static void pci_conf1_write_config8(const struct device *dev, uint16_t reg, - uint8_t value) -{ - outl(CONF_CMD(dev, reg), 0xCF8); - outb(value, 0xCFC + (reg & 3)); -} - -static void pci_conf1_write_config16(const struct device *dev, uint16_t reg, - uint16_t value) -{ - outl(CONF_CMD(dev, reg), 0xCF8); - outw(value, 0xCFC + (reg & 2)); -} - -static void pci_conf1_write_config32(const struct device *dev, uint16_t reg, - uint32_t value) -{ - outl(CONF_CMD(dev, reg), 0xCF8); - outl(value, 0xCFC); -} - -#undef CONF_CMD - const struct pci_bus_operations pci_cf8_conf1 = { - .read8 = pci_conf1_read_config8, - .read16 = pci_conf1_read_config16, - .read32 = pci_conf1_read_config32, - .write8 = pci_conf1_write_config8, - .write16 = pci_conf1_write_config16, - .write32 = pci_conf1_write_config32, + .read8 = pci_io_read_config8, + .read16 = pci_io_read_config16, + .read32 = pci_io_read_config32, + .write8 = pci_io_write_config8, + .write16 = pci_io_write_config16, + .write32 = pci_io_write_config32, }; -- cgit v1.2.3