summaryrefslogtreecommitdiffstats
path: root/hdata
diff options
context:
space:
mode:
authorAnanth N Mavinakayanahalli <ananth@linux.vnet.ibm.com>2017-03-03 17:18:18 +0530
committerStewart Smith <stewart@linux.vnet.ibm.com>2017-03-07 15:40:32 +1100
commit0f28e38bbeaa11bda20b81f2247c82682d93d787 (patch)
tree71f0f59d93d6c06de6d2c3252c291e50d71d0ec0 /hdata
parentdd694b530c7b2c28efcae018bca8ad7910f845d8 (diff)
downloadblackbird-skiboot-0f28e38bbeaa11bda20b81f2247c82682d93d787.tar.gz
blackbird-skiboot-0f28e38bbeaa11bda20b81f2247c82682d93d787.zip
hdata: Add BMC device-tree node for P9 OpenPOWER systems
On P8 Hostboot creates the node. On P9, OPAL needs to create the node. BMC information available in HDAT's SPINFO section. Signed-off-by: Ananth N Mavinakayanahalli <ananth@linux.vnet.ibm.com> Acked-by: Joel Stanley <joel@jms.id.au> Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
Diffstat (limited to 'hdata')
-rw-r--r--hdata/fsp.c17
-rw-r--r--hdata/spira.h1
2 files changed, 17 insertions, 1 deletions
diff --git a/hdata/fsp.c b/hdata/fsp.c
index f44f6a9a..3896dc4a 100644
--- a/hdata/fsp.c
+++ b/hdata/fsp.c
@@ -279,11 +279,26 @@ static void add_uart(const struct spss_iopath *iopath, struct dt_node *lpc)
static void bmc_create_node(const struct HDIF_common_hdr *sp)
{
+ struct dt_node *bmc_node;
u32 fw_bar, io_bar, mem_bar, internal_bar;
const struct spss_iopath *iopath;
+ const struct spss_sp_impl *sp_impl;
struct dt_node *lpcm, *lpc, *n;
u64 lpcm_base, lpcm_end;
- int chip_id;
+ int chip_id, size;
+
+ bmc_node = dt_new(dt_root, "bmc");
+ assert(bmc_node);
+
+ dt_add_property_cells(bmc_node, "#address-cells", 1);
+ dt_add_property_cells(bmc_node, "#size-cells", 0);
+
+ /* TODO: add sensor info under /bmc */
+ sp_impl = HDIF_get_idata(sp, SPSS_IDATA_SP_IMPL, &size);
+ if (CHECK_SPPTR(sp_impl) && (size > 8)) {
+ dt_add_property_strings(bmc_node, "compatible", sp_impl->sp_family);
+ prlog(PR_INFO, "SP Family is %s\n", sp_impl->sp_family);
+ }
iopath = HDIF_get_iarray_item(sp, SPSS_IDATA_SP_IOPATH, 0, NULL);
diff --git a/hdata/spira.h b/hdata/spira.h
index 01ce4cba..a9338eec 100644
--- a/hdata/spira.h
+++ b/hdata/spira.h
@@ -262,6 +262,7 @@ struct spss_sp_impl {
#define SPSS_SP_IMPL_FLAGS_PRIMARY 0x2000
u8 chip_version;
u8 reserved;
+ u8 sp_family[64];
};
/* Idata index 3 is deprecated */
OpenPOWER on IntegriCloud