Re: [U-Boot] [PATCH v2 7/9] apalis-tk1/t30: colibri_t30: display reset reason

On Thu, Aug 1, 2019 at 11:09 AM Igor Opaniuk igor.opaniuk@gmail.com wrote:

From: Dominik Sliwa dominik.sliwa@toradex.com

Display proper reset reason after the SoC info.

Signed-off-by: Dominik Sliwa dominik.sliwa@toradex.com Signed-off-by: Igor Opaniuk igor.opaniuk@toradex.com

Reviewed-by: Oleksandr Suvorov oleksandr.suvorov@toradex.com

---

arch/arm/mach-tegra/sys_info.c | 32 ++++++++++++++++++++++---------- 1 file changed, 22 insertions(+), 10 deletions(-)

diff --git a/arch/arm/mach-tegra/sys_info.c b/arch/arm/mach-tegra/sys_info.c index 9975f33e0b..5dc998a52b 100644 --- a/arch/arm/mach-tegra/sys_info.c +++ b/arch/arm/mach-tegra/sys_info.c @@ -6,24 +6,36 @@

#include <common.h> #include <linux/ctype.h> +#if defined(CONFIG_TEGRA124) || defined(CONFIG_TEGRA30) +#include <asm/arch-tegra/pmc.h>

-static void upstring(char *s) +static char *get_reset_cause(void) {

•   while (*s) {
  

•           *s = toupper(*s);
  

•           s++;
  

•   struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
  

•   switch (pmc->pmc_reset_status) {
  

•   case 0x00:
  

•           return "POR";
  

•   case 0x01:
  

•           return "WATCHDOG";
  

•   case 0x02:
  

•           return "SENSOR";
  

•   case 0x03:
  

•           return "SW_MAIN";
  

•   case 0x04:
  

•           return "LP0";
    }
  

•   return "UNKNOWN";
  

} +#endif

/* Print CPU information */ int print_cpuinfo(void) {

•   char soc_name[10];
  

•   strncpy(soc_name, CONFIG_SYS_SOC, 10);
  

•   upstring(soc_name);
  

•   puts(soc_name);
  

•   puts("\n");
  

•   printf("SoC: %s\n", CONFIG_SYS_SOC);
  

+#if defined(CONFIG_TEGRA124) || defined(CONFIG_TEGRA30)

•   printf("Reset cause: %s\n", get_reset_cause());
  

+#endif

    /* TBD: Add printf of major/minor rev info, stepping, etc. */
    return 0;

-- 2.17.1

---

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