diff options
Diffstat (limited to 'src/soc')
| -rw-r--r-- | src/soc/intel/common/basecode/debug/debug_feature.c | 27 | ||||
| -rw-r--r-- | src/soc/intel/common/basecode/include/intelbasecode/debug_feature.h | 3 |
2 files changed, 29 insertions, 1 deletions
diff --git a/src/soc/intel/common/basecode/debug/debug_feature.c b/src/soc/intel/common/basecode/debug/debug_feature.c index 64919346f8..d048abf81d 100644 --- a/src/soc/intel/common/basecode/debug/debug_feature.c +++ b/src/soc/intel/common/basecode/debug/debug_feature.c @@ -9,9 +9,22 @@ #define DEBUG_FEATURE_CTRL_SZ 64 #define SI_DESC_REGION_SZ 4096 +#define DEBUG_FEATURE_UNDEFINED 0xff struct debug_feature_cntrl { uint8_t cse_fw_update_disable; /* Byte location: 0xF00 */ - uint8_t reserved[63]; + + /* + * Supported CPU Trace Hub modes: + * 0: Disable, 1: Target Debugger Mode, 2: Host Debugger Mode + */ + uint8_t cpu_tracehub_mode; /* Byte location: 0xF01 */ + + /* + * Supported PCH Trace Hub modes: + * 0: Disable, 1:Target Debugger Mode, 2:Host Debugger Mode + */ + uint8_t pch_tracehub_mode; /* Byte location: 0xF02 */ + uint8_t reserved[61]; }; static struct debug_feature_cntrl dbg_feature_cntrl; @@ -20,6 +33,18 @@ _Static_assert(sizeof(struct debug_feature_cntrl) % 64 == 0 && sizeof(struct debug_feature_cntrl) <= 256, "sizeof(struct debug_feature_cntrl) must be a multiple of 64 bytes and up to 256 bytes"); +void debug_get_pch_cpu_tracehub_modes(uint8_t *cpu_tracehub_mode, uint8_t *pch_tracehub_mode) +{ + if (dbg_feature_cntrl.pch_tracehub_mode != DEBUG_FEATURE_UNDEFINED) + *pch_tracehub_mode = dbg_feature_cntrl.pch_tracehub_mode; + + if (dbg_feature_cntrl.cpu_tracehub_mode != DEBUG_FEATURE_UNDEFINED) + *cpu_tracehub_mode = dbg_feature_cntrl.cpu_tracehub_mode; + + printk(BIOS_DEBUG, "rt_debug: CPU Trace Hub Mode: %d PCH Trace Hub Mode: %d\n", + *pch_tracehub_mode, *cpu_tracehub_mode); +} + bool is_debug_cse_fw_update_disable(void) { printk(BIOS_DEBUG, "rt_debug: dbg_feature_cntrl.cse_fw_update_disable=%d\n", diff --git a/src/soc/intel/common/basecode/include/intelbasecode/debug_feature.h b/src/soc/intel/common/basecode/include/intelbasecode/debug_feature.h index c8e23822d2..9a01590fcb 100644 --- a/src/soc/intel/common/basecode/include/intelbasecode/debug_feature.h +++ b/src/soc/intel/common/basecode/include/intelbasecode/debug_feature.h @@ -5,6 +5,9 @@ #include <types.h> +/* Get cpu and pch tracehub modes defined in the OEM Section of descriptor region */ +void debug_get_pch_cpu_tracehub_modes(uint8_t *cpu_tracehub_mode, uint8_t *pch_trachub_mode); + /* Check if CSE firmware update is enabled or not */ bool is_debug_cse_fw_update_disable(void); |