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arm: socfpga: misc: Export bootmode into environment variable

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setenv an environment variable called "bootmode" , which contains the
board boot mode. This can be in turn used in scripts to determine from
where to load kernel and such.

Signed-off-by: Marek Vasut <marex@denx.de>
This commit is contained in:
Marek Vasut 2015-07-22 05:40:12 +02:00
parent d85e311e7f
commit 9ec7414e29
2 changed files with 24 additions and 11 deletions
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34
arch/arm/mach-socfpga/misc.c
View file

@ -100,26 +100,38 @@ int cpu_mmc_init(bd_t *bis)
}
#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)",
struct {
const char *mode;
const char *name;
} bsel_str[] = {
{ "rsvd", "Reserved", },
{ "fpga", "FPGA (HPS2FPGA Bridge)", },
{ "nand", "NAND Flash (1.8V)", },
{ "nand", "NAND Flash (3.0V)", },
{ "sd", "SD/MMC External Transceiver (1.8V)", },
{ "sd", "SD/MMC Internal Transceiver (3.0V)", },
{ "qspi", "QSPI Flash (1.8V)", },
{ "qspi", "QSPI Flash (3.0V)", },
};
/*
* Print CPU information
*/
#if defined(CONFIG_DISPLAY_CPUINFO)
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]);
printf("BOOT: %s\n", bsel_str[bsel].name);
return 0;
}
#endif
#ifdef CONFIG_ARCH_MISC_INIT
int arch_misc_init(void)
{
const u32 bsel = readl(&sysmgr_regs->bootinfo) & 0x7;
setenv("bootmode", bsel_str[bsel].mode);
return 0;
}
#endif

1
include/configs/socfpga_common.h
View file

@ -18,6 +18,7 @@
*/
#define CONFIG_DISPLAY_CPUINFO
#define CONFIG_DISPLAY_BOARDINFO_LATE
#define CONFIG_ARCH_MISC_INIT
#define CONFIG_ARCH_EARLY_INIT_R
#define CONFIG_SYS_NO_FLASH
#define CONFIG_CLOCKS