diff options
| author | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2020-01-06 19:41:42 +0200 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2020-01-14 18:18:26 +0000 |
| commit | f555a58abc487270d4ba42527b1b43850bd718c0 (patch) | |
| tree | 5285cf1bb4cc64cedf5c9defa78ea63803aca3e5 /src/include | |
| parent | 542fa6de384d4b79d8964512b4088bcd90863bd2 (diff) | |
sb/intel/common: Declare common smbus_base() and enable_smbus()
This avoids including platform-specific headers with different
filenames from common code.
Change-Id: Idf9893e55949d63f3ceca2249e618d0f81320321
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38232
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Diffstat (limited to 'src/include')
| -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 |