After this has been brought up many times before, rename src/arch/i386 to

src/arch/x86. 

Signed-off-by: Stefan Reinauer <stepan@coreboot.org>
Acked-by: Patrick Georgi <patrick@georgi-clan.de>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6161 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

1 files changed, 64 insertions, 0 deletions

diff --git a/src/arch/x86/lib/pci_ops_mmconf.c b/src/arch/x86/lib/pci_ops_mmconf.c
new file mode 100644
index 0000000000..7d8fb329d0
--- /dev/null
+++ b/src/arch/x86/lib/pci_ops_mmconf.c
@@ -0,0 +1,64 @@
+#if CONFIG_MMCONF_SUPPORT
+
+#include <console/console.h>
+#include <arch/io.h>
+#include <arch/pciconf.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <device/pci_ops.h>
+
+
+/*
+ * Functions for accessing PCI configuration space with mmconf accesses
+ */
+
+#define PCI_MMIO_ADDR(SEGBUS, DEVFN, WHERE) ( \
+	CONFIG_MMCONF_BASE_ADDRESS | \
+        (((SEGBUS) & 0xFFF) << 20) | \
+        (((DEVFN) & 0xFF) << 12) | \
+        ((WHERE) & 0xFFF))
+
+#include <arch/mmio_conf.h>
+
+static uint8_t pci_mmconf_read_config8(struct bus *pbus, int bus, int devfn, int where)
+{
+		return (read8x(PCI_MMIO_ADDR(bus, devfn, where)));
+}
+
+static uint16_t pci_mmconf_read_config16(struct bus *pbus, int bus, int devfn, int where)
+{
+                return (read16x(PCI_MMIO_ADDR(bus, devfn, where) & ~1));
+}
+
+static uint32_t pci_mmconf_read_config32(struct bus *pbus, int bus, int devfn, int where)
+{
+                return (read32x(PCI_MMIO_ADDR(bus, devfn, where) & ~3));
+}
+
+static void  pci_mmconf_write_config8(struct bus *pbus, int bus, int devfn, int where, uint8_t value)
+{
+                write8x(PCI_MMIO_ADDR(bus, devfn, where), value);
+}
+
+static void pci_mmconf_write_config16(struct bus *pbus, int bus, int devfn, int where, uint16_t value)
+{
+                write16x(PCI_MMIO_ADDR(bus, devfn, where) & ~1, value);
+}
+
+static void pci_mmconf_write_config32(struct bus *pbus, int bus, int devfn, int where, uint32_t value)
+{
+                write32x(PCI_MMIO_ADDR(bus, devfn, where) & ~3, value);
+}
+
+
+const struct pci_bus_operations pci_ops_mmconf =
+{
+	.read8  = pci_mmconf_read_config8,
+	.read16 = pci_mmconf_read_config16,
+	.read32 = pci_mmconf_read_config32,
+	.write8  = pci_mmconf_write_config8,
+	.write16 = pci_mmconf_write_config16,
+	.write32 = pci_mmconf_write_config32,
+};
+
+#endif