arm: socfpga: misc: Add support for printing boot mode
Add support for printing from which device the SoCFPGA board booted.
This decodes the BSEL settings and prints it in human readable form.
Signed-off-by: Marek Vasut <marex@denx.de>
diff --git a/arch/arm/mach-socfpga/misc.c b/arch/arm/mach-socfpga/misc.c
index a6ff793..d653bf6 100644
--- a/arch/arm/mach-socfpga/misc.c
+++ b/arch/arm/mach-socfpga/misc.c
@@ -101,12 +101,25 @@
#endif
#if defined(CONFIG_DISPLAY_CPUINFO)
+const char * const bsel_str[] = {
+ "Reserved",
+ "FPGA (HPS2FPGA Bridge)",
+ "NAND Flash (1.8V)",
+ "NAND Flash (3.0V)",
+ "SD/MMC External Transceiver (1.8V)",
+ "SD/MMC Internal Transceiver (3.0V)",
+ "QSPI Flash (1.8V)",
+ "QSPI Flash (3.0V)",
+};
+
/*
* Print CPU information
*/
int print_cpuinfo(void)
{
+ const u32 bsel = readl(&sysmgr_regs->bootinfo) & 0x7;
puts("CPU: Altera SoCFPGA Platform\n");
+ printf("BOOT: %s\n", bsel_str[bsel]);
return 0;
}
#endif