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@@ -6,24 +6,36 @@
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#include <common.h>
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#include <linux/ctype.h>
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+#if defined(CONFIG_TEGRA124) || defined(CONFIG_TEGRA30)
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+#include <asm/arch-tegra/pmc.h>
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-static void upstring(char *s)
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+static char *get_reset_cause(void)
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{
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- while (*s) {
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- *s = toupper(*s);
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- s++;
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+ struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
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+
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+ switch (pmc->pmc_reset_status) {
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+ case 0x00:
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+ return "POR";
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+ case 0x01:
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+ return "WATCHDOG";
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+ case 0x02:
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+ return "SENSOR";
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+ case 0x03:
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+ return "SW_MAIN";
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+ case 0x04:
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+ return "LP0";
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}
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+ return "UNKNOWN";
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}
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+#endif
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/* Print CPU information */
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int print_cpuinfo(void)
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{
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- char soc_name[10];
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-
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- strncpy(soc_name, CONFIG_SYS_SOC, 10);
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- upstring(soc_name);
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- puts(soc_name);
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- puts("\n");
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+ printf("SoC: %s\n", CONFIG_SYS_SOC);
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+#if defined(CONFIG_TEGRA124) || defined(CONFIG_TEGRA30)
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+ printf("Reset cause: %s\n", get_reset_cause());
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+#endif
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/* TBD: Add printf of major/minor rev info, stepping, etc. */
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return 0;
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