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| author | Alistair Popple <alistair@popple.id.au> | 2017-04-28 18:01:15 +1000 |
|---|---|---|
| committer | Stewart Smith <stewart@linux.vnet.ibm.com> | 2017-05-01 13:25:39 +1000 |
| commit | aaa8ccb9a08ddf65872f0d3aff92645bb4454fb3 (patch) | |
| tree | f81e49f8e0531b345e1bcfa4422274a3517e7daa /hdata | |
| parent | 6e6d5417ec67797b1dc52c8e30e9b1b4cf64e74f (diff) | |
| download | skiboot-aaa8ccb9a08ddf65872f0d3aff92645bb4454fb3.zip skiboot-aaa8ccb9a08ddf65872f0d3aff92645bb4454fb3.tar.gz skiboot-aaa8ccb9a08ddf65872f0d3aff92645bb4454fb3.tar.bz2 | |
hdata/spira.c: Add device-tree bindings for nest mmu
The nest mmu will only get initialised by opal_nmmu_set_ptcr() if the
appropriate device-tree entries exist. Add them during hdata parsing.
Signed-off-by: Alistair Popple <alistair@popple.id.au>
Acked-by: Oliver O'Halloran <oohall@gmail.com>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
Diffstat (limited to 'hdata')
| -rw-r--r-- | hdata/spira.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/hdata/spira.c b/hdata/spira.c index 3340a09..46dd1ab 100644 --- a/hdata/spira.c +++ b/hdata/spira.c @@ -791,6 +791,20 @@ static void add_nx(void) } } +static void add_nmmu(void) +{ + struct dt_node *xscom, *nmmu; + + /* Nest MMU only exists on POWER9 */ + if (proc_gen != proc_gen_p9) + return; + + dt_for_each_compatible(dt_root, xscom, "ibm,xscom") { + nmmu = dt_new_addr(xscom, "nmmu", 0x5012c40); + dt_add_property_strings(nmmu, "compatible", "ibm,power9-nest-mmu"); + dt_add_property_cells(nmmu, "reg", 0x5012c40, 0x20); + } +} static void add_iplparams_sys_params(const void *iplp, struct dt_node *node) { @@ -1265,6 +1279,9 @@ int parse_hdat(bool is_opal) /* Add NX */ add_nx(); + /* Add nest mmu */ + add_nmmu(); + /* Add IO HUBs and/or PHBs */ io_parse(); |