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Diffstat (limited to 'src/arch/x86/include/arch/pci_mmio_cfg.h')
-rw-r--r--src/arch/x86/include/arch/pci_mmio_cfg.h98
1 files changed, 98 insertions, 0 deletions
diff --git a/src/arch/x86/include/arch/pci_mmio_cfg.h b/src/arch/x86/include/arch/pci_mmio_cfg.h
new file mode 100644
index 0000000000..dd00d376cb
--- /dev/null
+++ b/src/arch/x86/include/arch/pci_mmio_cfg.h
@@ -0,0 +1,98 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef _PCI_MMIO_CFG_H
+#define _PCI_MMIO_CFG_H
+
+#include <arch/io.h>
+
+#if CONFIG_MMCONF_SUPPORT
+#define DEFAULT_PCIEXBAR CONFIG_MMCONF_BASE_ADDRESS
+
+static inline __attribute__ ((always_inline))
+u8 pcie_read_config8(device_t dev, unsigned int where)
+{
+ unsigned long addr;
+ addr = DEFAULT_PCIEXBAR | dev | where;
+ return read8(addr);
+}
+
+static inline __attribute__ ((always_inline))
+u16 pcie_read_config16(device_t dev, unsigned int where)
+{
+ unsigned long addr;
+ addr = DEFAULT_PCIEXBAR | dev | where;
+ return read16(addr);
+}
+
+static inline __attribute__ ((always_inline))
+u32 pcie_read_config32(device_t dev, unsigned int where)
+{
+ unsigned long addr;
+ addr = DEFAULT_PCIEXBAR | dev | where;
+ return read32(addr);
+}
+
+static inline __attribute__ ((always_inline))
+void pcie_write_config8(device_t dev, unsigned int where, u8 value)
+{
+ unsigned long addr;
+ addr = DEFAULT_PCIEXBAR | dev | where;
+ write8(addr, value);
+}
+
+static inline __attribute__ ((always_inline))
+void pcie_write_config16(device_t dev, unsigned int where, u16 value)
+{
+ unsigned long addr;
+ addr = DEFAULT_PCIEXBAR | dev | where;
+ write16(addr, value);
+}
+
+static inline __attribute__ ((always_inline))
+void pcie_write_config32(device_t dev, unsigned int where, u32 value)
+{
+ unsigned long addr;
+ addr = DEFAULT_PCIEXBAR | dev | where;
+ write32(addr, value);
+}
+
+static inline __attribute__ ((always_inline))
+void pcie_or_config8(device_t dev, unsigned int where, u8 ormask)
+{
+ u8 value = pcie_read_config8(dev, where);
+ pcie_write_config8(dev, where, value | ormask);
+}
+
+static inline __attribute__ ((always_inline))
+void pcie_or_config16(device_t dev, unsigned int where, u16 ormask)
+{
+ u16 value = pcie_read_config16(dev, where);
+ pcie_write_config16(dev, where, value | ormask);
+}
+
+static inline __attribute__ ((always_inline))
+void pcie_or_config32(device_t dev, unsigned int where, u32 ormask)
+{
+ u32 value = pcie_read_config32(dev, where);
+ pcie_write_config32(dev, where, value | ormask);
+}
+
+#endif /* CONFIG_MMCONF_SUPPORT */
+#endif /* _PCI_MMIO_CFG_H */