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MX35: add reset cause as provided by other i.MX
Signed-off-by: Stefano Babic <sbabic@denx.de>
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parent
e0a83cc1f5
commit
d330883f03
1 changed files with 29 additions and 2 deletions
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@ -422,12 +422,39 @@ U_BOOT_CMD(
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""
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);
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static char *get_reset_cause(void)
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{
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/* read RCSR register from CCM module */
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struct ccm_regs *ccm =
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(struct ccm_regs *)IMX_CCM_BASE;
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u32 cause = readl(&ccm->rcsr) & 0x0F;
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switch (cause) {
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case 0x0000:
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return "POR";
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case 0x0002:
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return "JTAG";
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case 0x0004:
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return "RST";
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case 0x0008:
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return "WDOG";
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default:
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return "unknown reset";
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}
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}
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#if defined(CONFIG_DISPLAY_CPUINFO)
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int print_cpuinfo(void)
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{
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printf("CPU: Freescale i.MX35 at %d MHz\n",
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u32 srev = get_cpu_rev();
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printf("CPU: Freescale i.MX35 rev %d.%d at %d MHz.\n",
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(srev & 0xF0) >> 4, (srev & 0x0F),
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get_mcu_main_clk() / 1000000);
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/* mxc_dump_clocks(); */
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printf("Reset cause: %s\n", get_reset_cause());
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return 0;
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}
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#endif
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