[coreboot-gerrit] Patch set updated for coreboot: b097745 Add a function to do indexed I/O reads/writes

[Dave Frodin (dave.frodin@se-eng.com)]

Dave Frodin (dave.frodin at se-eng.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/10144

-gerrit

commit b097745c6ec0db5d2a7b1713b5a96c2bde799b5d
Author: Dave Frodin <dave.frodin at se-eng.com>
Date:   Fri May 8 07:20:48 2015 -0600

    Add a function to do indexed I/O reads/writes
    
    There are multiple superio functions defined to
    do indexed I/O reads and writes. These generic
    functions will replace them in a follow on patch.
    
    Change-Id: I491a40e51d304496c5ec45a8171370b281669048
    Signed-off-by: Dave Frodin <dave.frodin at se-eng.com>
---
 src/arch/x86/lib/Makefile.inc |  2 ++
 src/arch/x86/lib/io_index.c   | 33 +++++++++++++++++++++++++++++++++
 src/include/io_index.h        | 23 +++++++++++++++++++++++
 3 files changed, 58 insertions(+)

diff --git a/src/arch/x86/lib/Makefile.inc b/src/arch/x86/lib/Makefile.inc
index c7e8b62..ea1430d 100644
--- a/src/arch/x86/lib/Makefile.inc
+++ b/src/arch/x86/lib/Makefile.inc
@@ -2,6 +2,7 @@
 ifeq ($(CONFIG_ARCH_ROMSTAGE_X86_32),y)
 
 romstage-y += cbfs_and_run.c
+romstage-y += io_index.c
 romstage-y += memset.c
 romstage-y += memcpy.c
 romstage-y += memmove.c
@@ -13,6 +14,7 @@ ifeq ($(CONFIG_ARCH_RAMSTAGE_X86_32),y)
 
 ramstage-y += c_start.S
 ramstage-y += cpu.c
+ramstage-y += io_index.c
 ramstage-y += pci_ops_conf1.c
 ramstage-$(CONFIG_MMCONF_SUPPORT) += pci_ops_mmconf.c
 ramstage-y += exception.c
diff --git a/src/arch/x86/lib/io_index.c b/src/arch/x86/lib/io_index.c
new file mode 100644
index 0000000..a8e4b2d
--- /dev/null
+++ b/src/arch/x86/lib/io_index.c
@@ -0,0 +1,33 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2015 Sage Electronic Engineering, LLC.
+ *
+ * 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 <arch/io.h>
+#include <io_index.h>
+
+u8 io_read_index(u16 port, u8 reg)
+{
+	outb(reg, port);
+	return inb(port + 1);
+}
+
+void io_write_index(u16 port, u8 reg, u8 value)
+{
+	outb(reg, port);
+	outb(value, port + 1);
+}
diff --git a/src/include/io_index.h b/src/include/io_index.h
new file mode 100644
index 0000000..04be707
--- /dev/null
+++ b/src/include/io_index.h
@@ -0,0 +1,23 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2015 Sage Electronic Engineering, LLC.
+ *
+ * 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>
+
+u8 io_read_index(u16 port, u8 reg);
+void io_write_index(u16 port, u8 reg, u8 value);