diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/imx-common/Kconfig | 8 | ||||
| -rw-r--r-- | arch/arm/imx-common/cpu.c | 12 |
2 files changed, 20 insertions, 0 deletions
diff --git a/arch/arm/imx-common/Kconfig b/arch/arm/imx-common/Kconfig index 6e91c7c..c75a38e 100644 --- a/arch/arm/imx-common/Kconfig +++ b/arch/arm/imx-common/Kconfig @@ -39,3 +39,11 @@ config SECURE_BOOT help This option enables the support for secure boot (HAB). See doc/README.mxc_hab for more details. + +config DBG_MONITOR + bool "Enable the AXI debug monitor" + depends on ARCH_MX6 || ARCH_MX7 + help + This option enables the debug monitor which prints out last + failed AXI access info when system reboot is caused by AXI + access failure. diff --git a/arch/arm/imx-common/cpu.c b/arch/arm/imx-common/cpu.c index b409f84..b857e5e 100644 --- a/arch/arm/imx-common/cpu.c +++ b/arch/arm/imx-common/cpu.c @@ -180,6 +180,10 @@ int print_cpuinfo(void) { u32 cpurev; __maybe_unused u32 max_freq; +#if defined(CONFIG_DBG_MONITOR) + struct dbg_monitor_regs *dbg = + (struct dbg_monitor_regs *)DEBUG_MONITOR_BASE_ADDR; +#endif cpurev = get_cpu_rev(); @@ -236,6 +240,14 @@ int print_cpuinfo(void) } #endif +#if defined(CONFIG_DBG_MONITOR) + if (readl(&dbg->snvs_addr)) + printf("DBG snvs regs addr 0x%x, data 0x%x, info 0x%x\n", + readl(&dbg->snvs_addr), + readl(&dbg->snvs_data), + readl(&dbg->snvs_info)); +#endif + printf("Reset cause: %s\n", get_reset_cause()); return 0; } |