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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2018-06-03 23:29:54 +1000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2018-06-03 23:29:54 +1000 |
| commit | de2c276d1329777b95f7a1d6dec6a0f7b111a991 (patch) | |
| tree | af3bbc87feeaea3cab559dae0c1e776c2bbc5515 /cf-code/cf-fsi-fw.S | |
| parent | b30e78bd005b6f08e15ea75517eb2e2b293c7b4a (diff) | |
| download | cf-fsi-de2c276d1329777b95f7a1d6dec6a0f7b111a991.tar.gz cf-fsi-de2c276d1329777b95f7a1d6dec6a0f7b111a991.zip | |
Cleanup starting up, add trace flags to API version
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'cf-code/cf-fsi-fw.S')
| -rw-r--r-- | cf-code/cf-fsi-fw.S | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/cf-code/cf-fsi-fw.S b/cf-code/cf-fsi-fw.S index 533cf39..abfea09 100644 --- a/cf-code/cf-fsi-fw.S +++ b/cf-code/cf-fsi-fw.S @@ -195,13 +195,21 @@ _start: /* Configure GPIOs to output */ bsr config_gpio_out + /* Clear arbitration register */ + move.b #0,%a1@(ARB_REG) + /* Populate version & signature */ move.w #SYS_SIG,%a1@(SYS_SIG_REG) move.b #FW_VERSION,%a1@(FW_VERS_REG) - move.b #API_VERSION,%a1@(API_VERS_REG) - /* Clear arbitration register */ - move.b #0,%a1@(ARB_REG) + /* This must happen last as it's the signal to the host + * that we are ready + */ +#ifdef ENABLE_TRACE + move.b #(API_VERSION + API_VERSION_TRACE_EN),%a1@(API_VERS_REG) +#else + move.b #API_VERSION,%a1@(API_VERS_REG) +#endif /* * Main command loop |
