From 0f28e38bbeaa11bda20b81f2247c82682d93d787 Mon Sep 17 00:00:00 2001 From: Ananth N Mavinakayanahalli Date: Fri, 3 Mar 2017 17:18:18 +0530 Subject: 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 Acked-by: Joel Stanley Signed-off-by: Stewart Smith --- hdata/fsp.c | 17 ++++++++++++++++- hdata/spira.h | 1 + 2 files changed, 17 insertions(+), 1 deletion(-) diff --git a/hdata/fsp.c b/hdata/fsp.c index f44f6a9..3896dc4 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 01ce4cb..a9338ee 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 */ -- cgit v1.1