intel/fsp: Add post codes for FSP phases
Add post codes for the various FSP phases and use them as appropriate
in FSP 1.0 and 1.1 implementations.
This will make it more consistent to debug FSP hangs and resets.
BUG=chrome-os-partner:40635
BRANCH=none
TEST=build and boot on glados and chell
Change-Id: I32f8dde80a0c6c117fe0fa48cdfe2f9a83b9dbdf
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 3b616ff3c9d8b6d05c8bfe7f456f5c189e523547
Original-Change-Id: I081745dcc45b3e9e066ade2227e675801d6f669a
Original-Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/313822
Original-Commit-Ready: Aaron Durbin <adurbin@chromium.org>
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/12595
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
diff --git a/src/drivers/intel/fsp1_0/cache_as_ram.inc b/src/drivers/intel/fsp1_0/cache_as_ram.inc
index 24de3a8..045bfb3 100644
--- a/src/drivers/intel/fsp1_0/cache_as_ram.inc
+++ b/src/drivers/intel/fsp1_0/cache_as_ram.inc
@@ -47,7 +47,7 @@
jmp .Lhlt
find_fsp_ok:
- post_code(0x22)
+ post_code(POST_FSP_TEMP_RAM_INIT)
/* Calculate entry into FSP */
mov 0x30(%ebp), %eax /* Load TempRamInitEntry */
diff --git a/src/drivers/intel/fsp1_0/fsp_util.c b/src/drivers/intel/fsp1_0/fsp_util.c
index ca381ff..8688ca5 100644
--- a/src/drivers/intel/fsp1_0/fsp_util.c
+++ b/src/drivers/intel/fsp1_0/fsp_util.c
@@ -92,6 +92,7 @@
/* Call back to romstage for board specific changes */
romstage_fsp_rt_buffer_callback(&FspRtBuffer);
+ post_code(POST_FSP_MEMORY_INIT);
FspInitApi(&FspInitParams);
/* Should never return. Control will continue from ContinuationFunc */
@@ -321,6 +322,7 @@
{
/* This call needs to be done before resource allocation. */
printk(BIOS_DEBUG, "FspNotify(EnumInitPhaseAfterPciEnumeration)\n");
+ post_code(POST_FSP_NOTIFY_BEFORE_ENUMERATE);
FspNotify(EnumInitPhaseAfterPciEnumeration);
printk(BIOS_DEBUG,
"Returned from FspNotify(EnumInitPhaseAfterPciEnumeration)\n");
@@ -334,6 +336,7 @@
{
printk(BIOS_DEBUG, "FspNotify(EnumInitPhaseReadyToBoot)\n");
print_fsp_info();
+ post_code(POST_FSP_NOTIFY_BEFORE_FINALIZE);
FspNotify(EnumInitPhaseReadyToBoot);
printk(BIOS_DEBUG, "Returned from FspNotify(EnumInitPhaseReadyToBoot)\n");
}
diff --git a/src/drivers/intel/fsp1_1/after_raminit.S b/src/drivers/intel/fsp1_1/after_raminit.S
index 7f7461e..85a0a8c 100644
--- a/src/drivers/intel/fsp1_1/after_raminit.S
+++ b/src/drivers/intel/fsp1_1/after_raminit.S
@@ -31,6 +31,8 @@
/* Switch to the stack in RAM */
movl %eax, %esp
+ post_code(POST_FSP_TEMP_RAM_EXIT)
+
/* Calculate TempRamExit entry into FSP */
movl fih_car, %ebp
mov 0x40(%ebp), %eax
diff --git a/src/drivers/intel/fsp1_1/cache_as_ram.inc b/src/drivers/intel/fsp1_1/cache_as_ram.inc
index 7d68f32..35abdb4 100644
--- a/src/drivers/intel/fsp1_1/cache_as_ram.inc
+++ b/src/drivers/intel/fsp1_1/cache_as_ram.inc
@@ -65,7 +65,7 @@
cmp $CONFIG_FSP_LOC, %eax
jbe halt1
- post_code(0x22)
+ post_code(POST_FSP_TEMP_RAM_INIT)
/* Calculate entry into FSP */
mov 0x30(%ebp), %eax /* Load TempRamInitEntry */
diff --git a/src/drivers/intel/fsp1_1/fsp_util.c b/src/drivers/intel/fsp1_1/fsp_util.c
index 21239bd..14ad8c6 100644
--- a/src/drivers/intel/fsp1_1/fsp_util.c
+++ b/src/drivers/intel/fsp1_1/fsp_util.c
@@ -161,8 +161,13 @@
fsp_header_ptr->NotifyPhaseEntryOffset);
notify_phase_params.Phase = phase;
- timestamp_add_now(phase == EnumInitPhaseReadyToBoot ?
- TS_FSP_BEFORE_FINALIZE : TS_FSP_BEFORE_ENUMERATE);
+ if (phase == EnumInitPhaseReadyToBoot) {
+ timestamp_add_now(TS_FSP_BEFORE_ENUMERATE);
+ post_code(POST_FSP_NOTIFY_BEFORE_ENUMERATE);
+ } else {
+ timestamp_add_now(TS_FSP_BEFORE_FINALIZE);
+ post_code(POST_FSP_NOTIFY_BEFORE_FINALIZE);
+ }
status = notify_phase_proc(¬ify_phase_params);
diff --git a/src/drivers/intel/fsp1_1/raminit.c b/src/drivers/intel/fsp1_1/raminit.c
index 50704a8..a19f6ae 100644
--- a/src/drivers/intel/fsp1_1/raminit.c
+++ b/src/drivers/intel/fsp1_1/raminit.c
@@ -122,6 +122,7 @@
fsp_memory_init_params.HobListPtr);
timestamp_add_now(TS_FSP_MEMORY_INIT_START);
+ post_code(POST_FSP_MEMORY_INIT);
status = fsp_memory_init(&fsp_memory_init_params);
post_code(0x37);
timestamp_add_now(TS_FSP_MEMORY_INIT_END);
diff --git a/src/drivers/intel/fsp1_1/ramstage.c b/src/drivers/intel/fsp1_1/ramstage.c
index 15a7cbc..aa1b658 100644
--- a/src/drivers/intel/fsp1_1/ramstage.c
+++ b/src/drivers/intel/fsp1_1/ramstage.c
@@ -137,6 +137,7 @@
timestamp_add_now(TS_FSP_SILICON_INIT_START);
printk(BIOS_DEBUG, "Calling FspSiliconInit(0x%p) at 0x%p\n",
&silicon_init_params, fsp_silicon_init);
+ post_code(POST_FSP_SILICON_INIT);
status = fsp_silicon_init(&silicon_init_params);
timestamp_add_now(TS_FSP_SILICON_INIT_END);
printk(BIOS_DEBUG, "FspSiliconInit returned 0x%08x\n", status);
diff --git a/src/include/console/post_codes.h b/src/include/console/post_codes.h
index 44a3ef2..e6d1243 100644
--- a/src/include/console/post_codes.h
+++ b/src/include/console/post_codes.h
@@ -203,6 +203,48 @@
#define POST_BS_PAYLOAD_BOOT 0x7b
/**
+ * \brief Before calling FSP TempRamInit
+ *
+ * Going to call into FSP binary for TempRamInit phase
+ */
+#define POST_FSP_TEMP_RAM_INIT 0x90
+
+/**
+ * \brief Before calling FSP TempRamExit
+ *
+ * Going to call into FSP binary for TempRamExit phase
+ */
+#define POST_FSP_TEMP_RAM_EXIT 0x91
+
+/**
+ * \brief Before calling FSP MemoryInit
+ *
+ * Going to call into FSP binary for MemoryInit phase
+ */
+#define POST_FSP_MEMORY_INIT 0x92
+
+/**
+ * \brief Before calling FSP SiliconInit
+ *
+ * Going to call into FSP binary for SiliconInit phase
+ */
+#define POST_FSP_SILICON_INIT 0x93
+
+/**
+ * \brief Before calling FSP Notify before resource allocation
+ *
+ * Going to call into FSP binary for Notify phase
+ */
+#define POST_FSP_NOTIFY_BEFORE_ENUMERATE 0x94
+
+/**
+ * \brief Before calling FSP Notify before finalize
+ *
+ * Going to call into FSP binary for Notify phase
+ */
+#define POST_FSP_NOTIFY_BEFORE_FINALIZE 0x95
+
+/**
* \brief Entry into elf boot
*
* This POST code is called right before invoking jmp_to_elf_entry()