summaryrefslogtreecommitdiff
path: root/src/cpu/amd/model_fxx
diff options
context:
space:
mode:
authorRonald G. Minnich <rminnich@gmail.com>2005-11-23 21:01:08 +0000
committerRonald G. Minnich <rminnich@gmail.com>2005-11-23 21:01:08 +0000
commitfb0a64ba77dbf1fa00d07453c76b875cd124cfcb (patch)
tree43738db444fd43b8b29ebe9db5a685b8edbd8066 /src/cpu/amd/model_fxx
parent872141a40291b73f061ae95a78baadb557efcd83 (diff)
CAR patch from YH LU
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2096 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/cpu/amd/model_fxx')
-rw-r--r--src/cpu/amd/model_fxx/init_cpus.c75
1 files changed, 75 insertions, 0 deletions
diff --git a/src/cpu/amd/model_fxx/init_cpus.c b/src/cpu/amd/model_fxx/init_cpus.c
new file mode 100644
index 0000000000..7906192041
--- /dev/null
+++ b/src/cpu/amd/model_fxx/init_cpus.c
@@ -0,0 +1,75 @@
+//it takes the ENABLE_APIC_EXT_ID and APIC_ID_OFFSET and LIFT_BSP_APIC_ID
+static unsigned init_cpus(unsigned cpu_init_detectedx, int controllers, const struct mem_controller *ctrl)
+{
+ unsigned cpu_reset;
+ unsigned bsp_apicid = 0;
+ struct node_core_id id;
+
+ #if CONFIG_LOGICAL_CPUS == 1
+ /* if dual core is not enabled, we don't need reorder the apicid */
+ set_apicid_cpuid_lo();
+ #endif
+
+ id = get_node_core_id_x(); // that is initid
+ #if ENABLE_APIC_EXT_ID == 1
+ if(id.coreid == 0) {
+ enable_apic_ext_id(id.nodeid);
+ }
+ #endif
+
+ #if (ENABLE_APIC_EXT_ID == 1)
+ #if LIFT_BSP_APIC_ID == 1
+ bsp_apicid += APIC_ID_OFFSET;
+ #endif
+ #endif
+
+
+ enable_lapic();
+
+ init_timer();
+
+
+ #if (ENABLE_APIC_EXT_ID == 1)
+ #if LIFT_BSP_APIC_ID == 0
+ if( id.nodeid != 0 ) //all except cores in node0
+ #endif
+ {
+ //get initial apic id and lift it
+ uint32_t dword = lapic_read(LAPIC_ID);
+ dword &= ~(0xff<<24);
+ dword |= ((get_initial_apicid() + APIC_ID_OFFSET)<<24);
+ lapic_write(LAPIC_ID, dword );
+ }
+ #endif
+
+ if (cpu_init_detectedx) {
+// __asm__ volatile ("jmp __cpu_reset");
+ soft_reset(); // avoid soft reset? , I don't want to reinit ram again, make sure bsp get get INIT, So need to send one INIT to BSP ....
+ /*
+ 1. check if it is BSP
+ 2. if not send INIT to BSP and get out
+ 3. if it is BSP, check if the mem is inited or not
+ 4. if not inited, issue soft reset
+ 5. if it is inited, call post_cache_as_ram with cpu_reset ==0. --- need to clear first 1M ram
+ */
+
+#if 0
+ if(!mem_inited(controllers, ctrl)) {
+ print_debug("mem is not initialized properly, need to hard reset\r\n");
+ hard_reset();
+ }
+ cpu_reset = 1;
+ post_cache_as_ram(cpu_reset);
+#endif
+ //no return;
+ }
+ distinguish_cpu_resets(id.nodeid);
+
+ if (!boot_cpu()) {
+ // We need stop the CACHE as RAM for this CPU too
+ #include "cpu/amd/car/disable_cache_as_ram.c"
+ stop_this_cpu(); // it will stop all cores except core0 of cpu0
+ }
+
+ return bsp_apicid;
+}