Add support for Intel Sandybridge CPU (northbridge part)

Change-Id: I06228ecf9cac931ad34e32871d5a4f2a4857b2ac
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/854
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>

1 files changed, 89 insertions, 0 deletions

diff --git a/src/northbridge/intel/sandybridge/pcie_config.c b/src/northbridge/intel/sandybridge/pcie_config.c
new file mode 100644
index 0000000000..21e131f566
--- /dev/null
+++ b/src/northbridge/intel/sandybridge/pcie_config.c
@@ -0,0 +1,89 @@
+/*
+ * 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
+ */
+
+#include "sandybridge.h"
+
+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);
+}