diff options
Diffstat (limited to 'meta-openpower/common/recipes-bsp/pdbg/pdbg/0001-CFAM-reg-0x2918-access-hack.patch')
-rw-r--r-- | meta-openpower/common/recipes-bsp/pdbg/pdbg/0001-CFAM-reg-0x2918-access-hack.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/meta-openpower/common/recipes-bsp/pdbg/pdbg/0001-CFAM-reg-0x2918-access-hack.patch b/meta-openpower/common/recipes-bsp/pdbg/pdbg/0001-CFAM-reg-0x2918-access-hack.patch new file mode 100644 index 000000000..dba62e3fe --- /dev/null +++ b/meta-openpower/common/recipes-bsp/pdbg/pdbg/0001-CFAM-reg-0x2918-access-hack.patch @@ -0,0 +1,34 @@ +From e21d90ae8c131eae9d78e3d06f29cab55c952884 Mon Sep 17 00:00:00 2001 +From: Matt Spinler <spinler@us.ibm.com> +Date: Thu, 19 Jan 2017 09:06:48 -0600 +Subject: [PATCH] CFAM reg 0x2918 access hack + +--- + libpdbg/bmcfsi.c | 11 ++++++++++- + 1 file changed, 10 insertions(+), 1 deletion(-) + +diff --git a/libpdbg/bmcfsi.c b/libpdbg/bmcfsi.c +index 64dbd69..f763f2a 100644 +--- a/libpdbg/bmcfsi.c ++++ b/libpdbg/bmcfsi.c +@@ -247,7 +247,16 @@ static uint64_t fsi_abs_ar(uint32_t addr, int read) + /* Reformat the address. I'm not sure I fully understand this + * yet but we basically shift the bottom byte and add 0b01 + * (for the write word?) */ +- addr = ((addr & 0x1fff00) | ((addr & 0xff) << 2)) << 1; ++ ++ /* Hack: this shifting doesn't work for all addresses, but it does ++ * work for 2918 and (and 2nd chip 2918) so use it just for that */ ++ if ((addr == 0x2918) || (addr == 0x102918)) { ++ addr = ((addr & 0x1ffe00) | ((addr & 0x1ff) << 2)) << 1; ++ } ++ else { ++ addr = ((addr & 0x1fff00) | ((addr & 0xff) << 2)) << 1; ++ } ++ + addr |= 0x3; + addr |= slave_id << 26; + addr |= (0x8ULL | !!(read)) << 22; +-- +2.11.0 + |