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| author | Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> | 2017-05-24 22:02:09 -0700 |
|---|---|---|
| committer | Stewart Smith <stewart@linux.vnet.ibm.com> | 2017-08-01 12:35:56 +1000 |
| commit | e320a95aa0a21f093965ee478f43d077541126d4 (patch) | |
| tree | a3f180cdc26e3ed92eebeaee08774314ce12d107 /hdata/spira.c | |
| parent | e35f7a312fc7ad63756bf851c6e08d07dedf64b4 (diff) | |
| download | talos-skiboot-e320a95aa0a21f093965ee478f43d077541126d4.tar.gz talos-skiboot-e320a95aa0a21f093965ee478f43d077541126d4.zip | |
vas: Create xscom DT node in hdata
Create the VAS xscom node in hdata and use that when initializing VAS.
Suggested-by: Ben Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
Diffstat (limited to 'hdata/spira.c')
| -rw-r--r-- | hdata/spira.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/hdata/spira.c b/hdata/spira.c index d09dbfe1..46be1c94 100644 --- a/hdata/spira.c +++ b/hdata/spira.c @@ -358,6 +358,20 @@ static void add_xive_node(struct dt_node *np) dt_add_property(xive, "force-assign-bars", NULL, 0); } +/* + * SCOM Base Address from P9 SCOM Assignment spreadsheet + */ +#define VAS_SCOM_BASE_ADDR 0x03011800 + +static void add_vas_node(struct dt_node *np, int idx) +{ + struct dt_node *vas = dt_new_addr(np, "vas", VAS_SCOM_BASE_ADDR); + + dt_add_property_cells(vas, "reg", VAS_SCOM_BASE_ADDR, 0x300); + dt_add_property_string(vas, "compatible", "ibm,power9-vas-x"); + dt_add_property_cells(vas, "ibm,vas-id", idx); +} + static void add_xscom_add_pcia_assoc(struct dt_node *np, uint32_t pcid) { const struct HDIF_common_hdr *hdr; @@ -471,6 +485,7 @@ static bool add_xscom_sppcrd(uint64_t xscom_base) if (proc_gen >= proc_gen_p9) { add_xive_node(np); parse_i2c_devs(hdif, SPPCRD_IDATA_HOST_I2C, np); + add_vas_node(np, i); } } |
