diff options
Diffstat (limited to 'arch/mips/mach-mt7620/cpu.c')
| -rw-r--r-- | arch/mips/mach-mt7620/cpu.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/arch/mips/mach-mt7620/cpu.c b/arch/mips/mach-mt7620/cpu.c index 87cc973b75..9e0ca716f7 100644 --- a/arch/mips/mach-mt7620/cpu.c +++ b/arch/mips/mach-mt7620/cpu.c @@ -89,9 +89,21 @@ void watchdog_reset(void) wdt_reset(watchdog_dev); } } +#endif int arch_misc_init(void) { + /* + * It has been noticed, that sometimes the d-cache is not in a + * "clean-state" when U-Boot is running on MT7688. This was + * detected when using the ethernet driver (which uses d-cache) + * and a TFTP command does not complete. Flushing the complete + * d-cache (again?) here seems to fix this issue. + */ + flush_dcache_range(gd->bd->bi_memstart, + gd->bd->bi_memstart + gd->ram_size - 1); + +#ifdef CONFIG_WATCHDOG /* Init watchdog */ if (uclass_get_device_by_seq(UCLASS_WDT, 0, &watchdog_dev)) { debug("Watchdog: Not found by seq!\n"); @@ -103,7 +115,7 @@ int arch_misc_init(void) wdt_start(watchdog_dev, 60000, 0); /* 60 seconds */ printf("Watchdog: Started\n"); +#endif return 0; } -#endif |