diff options
Diffstat (limited to 'src/ec/google/chromeec/ec_lpc.c')
| -rw-r--r-- | src/ec/google/chromeec/ec_lpc.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/ec/google/chromeec/ec_lpc.c b/src/ec/google/chromeec/ec_lpc.c index 0fa0cf8d6d..826142bcf1 100644 --- a/src/ec/google/chromeec/ec_lpc.c +++ b/src/ec/google/chromeec/ec_lpc.c @@ -41,6 +41,14 @@ static void read_bytes(u16 port, unsigned int length, u8 *dest, u8 *csum) { int i; +#if CONFIG_EC_GOOGLE_CHROMEEC_MEC + /* Access desired range though EMI interface */ + if (port >= MEC_EMI_RANGE_START && port <= MEC_EMI_RANGE_END) { + mec_io_bytes(0, port, length, dest, csum); + return; + } +#endif + for (i = 0; i < length; ++i) { dest[i] = inb(port + i); if (csum) @@ -68,6 +76,14 @@ static void write_bytes(u16 port, unsigned int length, u8 *msg, u8 *csum) { int i; +#if CONFIG_EC_GOOGLE_CHROMEEC_MEC + /* Access desired range though EMI interface */ + if (port >= MEC_EMI_RANGE_START && port <= MEC_EMI_RANGE_END) { + mec_io_bytes(1, port, length, msg, csum); + return; + } +#endif + for (i = 0; i < length; ++i) { outb(msg[i], port + i); if (csum) |