diff options
Diffstat (limited to 'chip/lm4')
| -rw-r--r-- | chip/lm4/clock.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/chip/lm4/clock.c b/chip/lm4/clock.c index 81e36c001e..5be90207e6 100644 --- a/chip/lm4/clock.c +++ b/chip/lm4/clock.c @@ -193,8 +193,20 @@ DECLARE_CONSOLE_COMMAND(sleep, command_sleep); static int command_pll(int argc, char **argv) { /* Toggle the PLL */ - clock_enable_pll(LM4_SYSTEM_RCC & LM4_SYSTEM_RCC_BYPASS ? 1 : 0); - ccprintf("Clock frequency is now %d\n", clock_get_freq()); + if (argc > 1) { + if (!strcasecmp(argv[1], "off")) + clock_enable_pll(0); + else if (!strcasecmp(argv[1], "on")) + clock_enable_pll(1); + else + ccputs("Usage: pll [off | on]\n"); + } + + /* Print current PLL state */ + ccprintf("RCC: 0x%08x\n", LM4_SYSTEM_RCC); + ccprintf("RCC2: 0x%08x\n", LM4_SYSTEM_RCC2); + ccprintf("PLLSTAT: 0x%08x\n", LM4_SYSTEM_PLLSTAT); + ccprintf("Clock: %d Hz\n", clock_get_freq()); return EC_SUCCESS; } DECLARE_CONSOLE_COMMAND(pll, command_pll); |