diff options
Diffstat (limited to 'src/include/device')
| -rw-r--r-- | src/include/device/smbus_host.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/include/device/smbus_host.h b/src/include/device/smbus_host.h index cb31d02d33..c12718d195 100644 --- a/src/include/device/smbus_host.h +++ b/src/include/device/smbus_host.h @@ -15,6 +15,7 @@ #define __DEVICE_SMBUS_HOST_H__ #include <stdint.h> +#include <console/console.h> /* Low-level SMBUS host controller. */ @@ -34,7 +35,20 @@ int do_i2c_block_write(uintptr_t base, u8 device, size_t bytes, u8 *buf); /* Upstream API */ +uintptr_t smbus_base(void); +int smbus_enable_iobar(uintptr_t base); void smbus_host_reset(uintptr_t base); void smbus_set_slave_addr(uintptr_t base, u8 slave_address); +static inline void enable_smbus(void) +{ + uintptr_t base = smbus_base(); + + if (smbus_enable_iobar(base) < 0) + die("SMBus controller not found!"); + + smbus_host_reset(base); + printk(BIOS_DEBUG, "SMBus controller enabled\n"); +} + #endif |