first round name simplification. drop the <component>_ prefix.

[coreboot.git] / src / southbridge / amd / sb700 / smbus.h

diff --git a/src/southbridge/amd/sb700/smbus.h b/src/southbridge/amd/sb700/smbus.h
new file mode 100644 (file)
index 0000000..c21a1dc
--- /dev/null
+++ b/src/southbridge/amd/sb700/smbus.h
@@ -0,0 +1,65 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2010 Advanced Micro Devices, Inc.
+ *
+ * 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 SB700_SMBUS_H
+#define SB700_SMBUS_H
+
+#define SMBHSTSTAT 0x0
+#define SMBSLVSTAT 0x1
+#define SMBHSTCTRL 0x2
+#define SMBHSTCMD  0x3
+#define SMBHSTADDR 0x4
+#define SMBHSTDAT0 0x5
+#define SMBHSTDAT1 0x6
+#define SMBHSTBLKDAT 0x7
+
+#define SMBSLVCTRL 0x8
+#define SMBSLVCMD_SHADOW 0x9
+#define SMBSLVEVT 0xa
+#define SMBSLVDAT 0xc
+
+#define AX_INDXC  0
+#define AX_INDXP  1
+#define AXCFG     2
+#define ABCFG     3
+
+#define AB_INDX   0xCD8
+#define AB_DATA   (AB_INDX+4)
+
+/* Between 1-10 seconds, We should never timeout normally
+ * Longer than this is just painful when a timeout condition occurs.
+ */
+#define SMBUS_TIMEOUT (100*1000*10)
+
+#define abcfg_reg(reg, mask, val)      \
+       alink_ab_indx((ABCFG), (reg), (mask), (val))
+#define axcfg_reg(reg, mask, val)      \
+       alink_ab_indx((AXCFG), (reg), (mask), (val))
+#define axindxc_reg(reg, mask, val)    \
+       alink_ax_indx(0, (reg), (mask), (val))
+#define axindxp_reg(reg, mask, val)    \
+       alink_ax_indx(1, (reg), (mask), (val))
+
+int do_smbus_recv_byte(u32 smbus_io_base, u32 device);
+int do_smbus_send_byte(u32 smbus_io_base, u32 device, u8 val);
+int do_smbus_read_byte(u32 smbus_io_base, u32 device, u32 address);
+int do_smbus_write_byte(u32 smbus_io_base, u32 device, u32 address, u8 val);
+
+
+#endif