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| author | Ye.Li <B37916@freescale.com> | 2014-06-11 15:34:49 +0800 |
|---|---|---|
| committer | Ye Li <ye.li@nxp.com> | 2017-04-05 14:04:35 +0800 |
| commit | e1c98a672e50fd0405686b74dad50680a75a8a9f (patch) | |
| tree | 2c697eef35646c8dff2b26268042554321273cff /arch | |
| parent | 7b17fcee90936a52318040de8d787c5b9b2debee (diff) | |
| download | u-boot-imx-e1c98a672e50fd0405686b74dad50680a75a8a9f.zip u-boot-imx-e1c98a672e50fd0405686b74dad50680a75a8a9f.tar.gz u-boot-imx-e1c98a672e50fd0405686b74dad50680a75a8a9f.tar.bz2 | |
ENGR00315894-55 iMX6SX: add debug monitor support
Debug monitor will print out last failed AXI access info when
system reboot is caused by AXI access failure, only works when
debug monitor is enabled.
Enable this module on i.MX6SX.
Signed-off-by: Anson Huang <b20788@freescale.com>
Signed-off-by: Ye.Li <B37916@freescale.com>
(cherry picked from commit df6ac8531d498021ed379c74fc1847bd2cec7179)
Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
(cherry picked from commit 4f4ecdbf6fe2673b8ad117df1a4974bdb7e6aa4a)
Diffstat (limited to 'arch')
| -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; } |