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-rw-r--r--src/soc/intel/quark/Kconfig43
-rw-r--r--src/soc/intel/quark/bootblock/bootblock.c14
-rw-r--r--src/soc/intel/quark/bootblock/esram_init.S23
-rw-r--r--src/soc/intel/quark/romstage/fsp1_1.c4
4 files changed, 71 insertions, 13 deletions
diff --git a/src/soc/intel/quark/Kconfig b/src/soc/intel/quark/Kconfig
index 5a488475cb..c5efd4a296 100644
--- a/src/soc/intel/quark/Kconfig
+++ b/src/soc/intel/quark/Kconfig
@@ -109,21 +109,54 @@ config ENABLE_DEBUG_LED_ESRAM
default n
select ENABLE_DEBUG_LED
help
- Indicate that ESRAM has been successfully initialized.
+ Indicate that ESRAM has been successfully initialized. If the SD LED
+ does not light then the ESRAM initialization needs to be debugged.
config ENABLE_DEBUG_LED_FINDFSP
bool "SD LED indicates fsp.bin file was found"
+ depends on PLATFORM_USES_FSP1_1
+ default n
+ select ENABLE_DEBUG_LED
+ help
+ Indicate that fsp.bin was found. If the SD LED does not light then
+ the code between ESRAM initialization through find_fsp needs to
+ debugged. Start by verifying that the correct fsp.bin is in the
+ image.
+
+config ENABLE_DEBUG_LED_BOOTBLOCK_ENTRY
+ bool "SD LED indicates bootblock.c successfully entered"
+ default n
+ select ENABLE_DEBUG_LED
+ help
+ Indicate that bootblock_c_entry was entered. If the SD LED does not
+ light then debug the code between ESRAM and bootblock_c_entry. For
+ FSP 1.1, use ENABLE_DEBUG_LED_FINDFSP to split this code.
+
+config ENABLE_DEBUG_LED_SOC_EARLY_INIT_ENTRY
+ bool "SD LED indicates bootblock_soc_early_init successfully entered"
+ default n
+ select ENABLE_DEBUG_LED
+ help
+ Indicate that bootblock_soc_early_init was entered. If the SD LED
+ does not light then debug the code in bootblock_main_with_timestamp.
+
+config ENABLE_DEBUG_LED_SOC_EARLY_INIT_EXIT
+ bool "SD LED indicates bootblock_soc_early_init successfully exited"
default n
select ENABLE_DEBUG_LED
help
- Indicate that fsp.bin was found.
+ Indicate that bootblock_soc_early_init exited. If the SD LED does not
+ light then debug the scripts in bootblock_soc_early_init.
-config ENABLE_DEBUG_LED_TEMPRAMINIT
- bool "SD LED indicates TempRamInit was successful"
+config ENABLE_DEBUG_LED_SOC_INIT_ENTRY
+ bool "SD LED indicates bootblock_soc_init successfully entered"
default n
select ENABLE_DEBUG_LED
help
- Indicate that TempRamInit was successful.
+ Indicate that bootblock_soc_init was entered. If the SD LED does not
+ light then debug the code in bootblock_mainboard_early_init and
+ console_init. If the SD LED does light but there is no serial then
+ debug the serial port configuration and initialization.
#####
# ESRAM layout
diff --git a/src/soc/intel/quark/bootblock/bootblock.c b/src/soc/intel/quark/bootblock/bootblock.c
index 3c90de9636..c974cb12b4 100644
--- a/src/soc/intel/quark/bootblock/bootblock.c
+++ b/src/soc/intel/quark/bootblock/bootblock.c
@@ -22,6 +22,8 @@
#include <soc/pci_devs.h>
#include <soc/reg_access.h>
+extern void asmlinkage light_sd_led(void);
+
static const struct reg_script legacy_gpio_init[] = {
/* Temporarily enable the legacy GPIO controller */
REG_PCI_WRITE32(R_QNC_LPC_GBA_BASE, IO_ADDRESS_VALID
@@ -77,11 +79,17 @@ static const struct reg_script mtrr_init[] = {
void asmlinkage bootblock_c_entry(uint64_t base_timestamp)
{
+ if (IS_ENABLED(CONFIG_ENABLE_DEBUG_LED_BOOTBLOCK_ENTRY))
+ light_sd_led();
+
bootblock_main_with_timestamp(base_timestamp);
}
void bootblock_soc_early_init(void)
{
+ if (IS_ENABLED(CONFIG_ENABLE_DEBUG_LED_SOC_EARLY_INIT_ENTRY))
+ light_sd_led();
+
/* Initialize the MTRRs */
reg_script_run(mtrr_init);
@@ -94,10 +102,16 @@ void bootblock_soc_early_init(void)
reg_script_run_on_dev(HSUART0_BDF, hsuart_init);
if (IS_ENABLED(CONFIG_ENABLE_BUILTIN_HSUART1))
reg_script_run_on_dev(HSUART1_BDF, hsuart_init);
+
+ if (IS_ENABLED(CONFIG_ENABLE_DEBUG_LED_SOC_EARLY_INIT_EXIT))
+ light_sd_led();
}
void bootblock_soc_init(void)
{
+ if (IS_ENABLED(CONFIG_ENABLE_DEBUG_LED_SOC_INIT_ENTRY))
+ light_sd_led();
+
/* Display the MTRRs */
soc_display_mtrrs();
}
diff --git a/src/soc/intel/quark/bootblock/esram_init.S b/src/soc/intel/quark/bootblock/esram_init.S
index d982cdd2f9..f173f5c10b 100644
--- a/src/soc/intel/quark/bootblock/esram_init.S
+++ b/src/soc/intel/quark/bootblock/esram_init.S
@@ -507,14 +507,7 @@ L43:
L44:
#if IS_ENABLED(CONFIG_ENABLE_DEBUG_LED_ESRAM)
- /* Turn on SD LED to indicate ESRAM successfully initialized */
- movl $SD_HOST_CTRL, %ebx
- movb 0(%ebx), %al
- orb $1, %al
- movb %al, 0(%ebx)
-
- /* Loop forever */
- jmp .
+ jmp light_sd_led
#endif /* CONFIG_ENABLE_DEBUG_LED_ESRAM */
#endif /* CONFIG_ENABLE_DEBUG_LED */
@@ -537,3 +530,17 @@ before_carstage:
call bootblock_c_entry
/* Never reached */
+
+ .global light_sd_led
+
+light_sd_led:
+ /* Turn on SD LED to indicate ESRAM successfully initialized */
+ movl $SD_HOST_CTRL, %ebx
+ movb 0(%ebx), %al
+ orb $1, %al
+ movb %al, 0(%ebx)
+
+ /* Loop forever */
+die:
+ hlt
+ jmp die
diff --git a/src/soc/intel/quark/romstage/fsp1_1.c b/src/soc/intel/quark/romstage/fsp1_1.c
index d7f19a74f5..e93e688ea7 100644
--- a/src/soc/intel/quark/romstage/fsp1_1.c
+++ b/src/soc/intel/quark/romstage/fsp1_1.c
@@ -26,6 +26,8 @@
#include <soc/romstage.h>
#include <string.h>
+extern void asmlinkage light_sd_led(void);
+
asmlinkage void *car_stage_c_entry(void)
{
FSP_INFO_HEADER *fih;
@@ -40,6 +42,8 @@ asmlinkage void *car_stage_c_entry(void)
/* Locate the FSP header in ESRAM */
fih = find_fsp(CONFIG_FSP_ESRAM_LOC);
+ if (IS_ENABLED(CONFIG_ENABLE_DEBUG_LED_FINDFSP))
+ light_sd_led();
/* Start the early verstage/romstage code */
post_code(0x2A);