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| author | Timothy Pearson <tpearson@raptorengineeringinc.com> | 2015-10-17 04:36:47 -0500 |
|---|---|---|
| committer | Peter Stuge <peter@stuge.se> | 2015-10-24 02:01:17 +0200 |
| commit | acbdade5cd02c0abed1f1a6c65501893bc6bd679 (patch) | |
| tree | cb9e0c3df6584bcce04b48fe36070d841d7d664b /src/southbridge/amd/sb700/smbus.c | |
| parent | cab71b638f6bd9d8c7e6d7955d4527c5236177cb (diff) | |
| download | coreboot-acbdade5cd02c0abed1f1a6c65501893bc6bd679.tar.xz | |
southbridge/amd/sb700: Allow use of auxiliary SMBUS controller
Change-Id: I29ece10eeefc2c75a3829c169f1e1aede7194ec2
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: http://review.coreboot.org/12079
Reviewed-by: Peter Stuge <peter@stuge.se>
Tested-by: build bot (Jenkins)
Diffstat (limited to 'src/southbridge/amd/sb700/smbus.c')
| -rw-r--r-- | src/southbridge/amd/sb700/smbus.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/southbridge/amd/sb700/smbus.c b/src/southbridge/amd/sb700/smbus.c index 94f5e247ae..bc9626ac4f 100644 --- a/src/southbridge/amd/sb700/smbus.c +++ b/src/southbridge/amd/sb700/smbus.c @@ -22,6 +22,11 @@ #include "smbus.h" +extern uint8_t amd_sb700_aux_smbus; + +void smbus_switch_to_channel(uint8_t channel_number); +uint8_t smbus_get_current_channel(void); + void alink_ab_indx(u32 reg_space, u32 reg_addr, u32 mask, u32 val) { u32 tmp; @@ -216,4 +221,14 @@ int do_smbus_write_byte(u32 smbus_io_base, u32 device, u32 address, u8 val) return 0; } +void smbus_switch_to_channel(uint8_t channel_number) +{ + amd_sb700_aux_smbus = !!channel_number; +} + +uint8_t smbus_get_current_channel(void) +{ + return amd_sb700_aux_smbus; +} + #endif |