From 6d23358c4015befe6d35254e7f29f6c4e5161f82 Mon Sep 17 00:00:00 2001 From: Benjamin Herrenschmidt Date: Mon, 24 Apr 2017 14:45:42 +1000 Subject: i2c: Log the engine clock frequency at boot Since it's a non-trivial derivation from HDAT values, it's useful to log it for diagnostics. Signed-off-by: Benjamin Herrenschmidt Reviewed-by: Oliver O'Halloran Signed-off-by: Stewart Smith --- hw/p8-i2c.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'hw/p8-i2c.c') diff --git a/hw/p8-i2c.c b/hw/p8-i2c.c index 52520dd..bfbc31d 100644 --- a/hw/p8-i2c.c +++ b/hw/p8-i2c.c @@ -186,6 +186,7 @@ enum p8_i2c_master_type { struct p8_i2c_master { struct lock lock; /* Lock to guard the members */ enum p8_i2c_master_type type; /* P8 vs. Centaur */ + uint64_t start_time; /* Request start time */ uint64_t poll_interval; /* Polling interval */ uint64_t byte_timeout; /* Timeout per byte */ uint64_t xscom_base; /* xscom base of i2cm */ @@ -1485,8 +1486,8 @@ static void p8_i2c_init_one(struct dt_node *i2cm, enum p8_i2c_master_type type) init_timer(&master->recovery, p8_i2c_recover, master); init_timer(&master->sensor_cache, p8_i2c_enable_scache, master); - prlog(PR_INFO, "I2C: Chip %08x Eng. %d\n", - master->chip_id, master->engine_id); + prlog(PR_INFO, "I2C: Chip %08x Eng. %d Clock %d Mhz\n", + master->chip_id, master->engine_id, lb_freq / 1000000); /* Disable OCC cache during inits */ if (master->type == I2C_CENTAUR) { -- cgit v1.1