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| author | Michael Neuling <mikey@neuling.org> | 2017-03-23 17:15:08 +1100 |
|---|---|---|
| committer | Stewart Smith <stewart@linux.vnet.ibm.com> | 2017-03-24 12:51:29 +1100 |
| commit | 74311a97190d33e3753dc09a5fe6064120c8363a (patch) | |
| tree | 981bf00892543d34b9331a533dfd554bfd30c4d5 /include | |
| parent | ded2533b5b31252639ac354521127a239df39e30 (diff) | |
| download | talos-skiboot-74311a97190d33e3753dc09a5fe6064120c8363a.tar.gz talos-skiboot-74311a97190d33e3753dc09a5fe6064120c8363a.zip | |
xscom: Add indirect form 1 scoms
Add code to perform indirect form 1 scoms.
POWER8 does form 0 only. POWER9 adds form 1. The form is determined
from the address only. Hardware only allows writes for form 1.
Only hostboot uses these scoms during IPL, so they are unused by
skiboot currently.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/xscom.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/xscom.h b/include/xscom.h index bad9140c..871d210d 100644 --- a/include/xscom.h +++ b/include/xscom.h @@ -192,6 +192,7 @@ #define XSCOM_DATA_IND_COMPLETE PPC_BIT(32) #define XSCOM_DATA_IND_ERR PPC_BITMASK(33,35) #define XSCOM_DATA_IND_DATA PPC_BITMASK(48,63) +#define XSCOM_DATA_IND_FORM1_DATA PPC_BITMASK(12,63) /* HB folks say: try 10 time for now */ #define XSCOM_IND_MAX_RETRIES 10 |
