GPE Nest Frequency & Amester Name Changes

Change-Id: I46ee2502dcfd532b6ff30a32b0a645aecc285f21
RTC:168527
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/36293
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: Martha Broyles <mbroyles@us.ibm.com>
Reviewed-by: Christopher J. Cain <cjcain@us.ibm.com>
Reviewed-by: William A. Bryan <wilbryan@us.ibm.com>

1 files changed, 6 insertions, 1 deletions

diff --git a/src/occ_405/main.c b/src/occ_405/main.c
index 873e65d..ba36b59 100755
--- a/src/occ_405/main.c
+++ b/src/occ_405/main.c
@@ -104,7 +104,8 @@ extern uint16_t G_proc_fmax_mhz;   // max(turbo,uturbo) frequencies
 // Set main thread timer for one second
 #define MAIN_THRD_TIMER_SLICE ((SsxInterval) SSX_SECONDS(1))
 
-
+// Define location for data shared with GPEs
+gpe_shared_data_t G_shared_gpe_data __attribute__ ((section (".gpe_shared")));
 
 // SIMICS printf/printk
 SimicsStdio G_simics_stdout;
@@ -1796,6 +1797,10 @@ int main(int argc, char **argv)
                    0,
                    l_tb_freq_hz);
 
+    // Store the nest / 4 frequency in shared SRAM so the GPEs
+    // can be initialized with the correct timebase as well.
+    G_shared_gpe_data.nest_freq_div = l_tb_freq_hz;
+
     CHECKPOINT(SSX_INITIALIZED);
     // TRAC_XXX needs ssx services, traces can only be done after ssx_initialize
     TRAC_init_buffers();