summaryrefslogtreecommitdiffstats
path: root/meta-openpower/common/recipes-bsp/pdbg/pdbg/0001-CFAM-reg-0x2918-access-hack.patch
diff options
context:
space:
mode:
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.patch34
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
+
OpenPOWER on IntegriCloud