summaryrefslogtreecommitdiff
path: root/src/southbridge/intel/bd82x6x/gpio.c
diff options
context:
space:
mode:
authorStefan Reinauer <stefan.reinauer@coreboot.org>2012-04-04 00:07:22 +0200
committerStefan Reinauer <stefan.reinauer@coreboot.org>2012-04-04 19:10:51 +0200
commit8e073829ec69ee89b3e91f4c040c96988084a526 (patch)
tree2e2b378ec66aa3ecd563b253726aae6e71db043a /src/southbridge/intel/bd82x6x/gpio.c
parentcb91e1525eb0b81f9bc2e24e3404d6a9efc1cce3 (diff)
downloadcoreboot-8e073829ec69ee89b3e91f4c040c96988084a526.tar.xz
Add support for Intel Panther Point PCH
Change-Id: Iac3cd25b36493bb203e849674320e113cc5fce32 Signed-off-by: Duncan Laurie <dlaurie@google.com> Signed-off-by: Stefan Reinauer <reinauer@google.com> Reviewed-on: http://review.coreboot.org/853 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Diffstat (limited to 'src/southbridge/intel/bd82x6x/gpio.c')
-rw-r--r--src/southbridge/intel/bd82x6x/gpio.c65
1 files changed, 65 insertions, 0 deletions
diff --git a/src/southbridge/intel/bd82x6x/gpio.c b/src/southbridge/intel/bd82x6x/gpio.c
new file mode 100644
index 0000000000..598726a0d5
--- /dev/null
+++ b/src/southbridge/intel/bd82x6x/gpio.c
@@ -0,0 +1,65 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2011 The Chromium OS Authors. All rights reserved.
+ *
+ * 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 <stdint.h>
+#include <string.h>
+#include <arch/io.h>
+#include <arch/romcc_io.h>
+
+#include "pch.h"
+#include "gpio.h"
+
+void setup_pch_gpios(const struct pch_gpio_map *gpio)
+{
+ u16 gpiobase = pci_read_config16(PCH_LPC_DEV, GPIO_BASE) & 0xfffc;
+
+ /* GPIO Set 1 */
+ if (gpio->set1.level)
+ outl(*((u32*)gpio->set1.level), gpiobase + GP_LVL);
+ if (gpio->set1.mode)
+ outl(*((u32*)gpio->set1.mode), gpiobase + GPIO_USE_SEL);
+ if (gpio->set1.direction)
+ outl(*((u32*)gpio->set1.direction), gpiobase + GP_IO_SEL);
+ if (gpio->set1.reset)
+ outl(*((u32*)gpio->set1.reset), gpiobase + GP_RST_SEL1);
+ if (gpio->set1.invert)
+ outl(*((u32*)gpio->set1.invert), gpiobase + GPI_INV);
+ if (gpio->set1.blink)
+ outl(*((u32*)gpio->set1.blink), gpiobase + GPO_BLINK);
+
+ /* GPIO Set 2 */
+ if (gpio->set2.level)
+ outl(*((u32*)gpio->set2.level), gpiobase + GP_LVL2);
+ if (gpio->set2.mode)
+ outl(*((u32*)gpio->set2.mode), gpiobase + GPIO_USE_SEL2);
+ if (gpio->set2.direction)
+ outl(*((u32*)gpio->set2.direction), gpiobase + GP_IO_SEL2);
+ if (gpio->set2.reset)
+ outl(*((u32*)gpio->set2.reset), gpiobase + GP_RST_SEL2);
+
+ /* GPIO Set 3 */
+ if (gpio->set3.level)
+ outl(*((u32*)gpio->set3.level), gpiobase + GP_LVL3);
+ if (gpio->set3.mode)
+ outl(*((u32*)gpio->set3.mode), gpiobase + GPIO_USE_SEL3);
+ if (gpio->set3.direction)
+ outl(*((u32*)gpio->set3.direction), gpiobase + GP_IO_SEL3);
+ if (gpio->set3.reset)
+ outl(*((u32*)gpio->set3.reset), gpiobase + GP_RST_SEL3);
+}