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authorRandall Spangler <rspangler@chromium.org>2012-04-25 13:34:18 -0700
committerRandall Spangler <rspangler@chromium.org>2012-04-25 13:35:31 -0700
commit9374fd2f96d5b486e5c59ebb7f0648b948bdbe4e (patch)
tree9769885a59eb49b666254d71ef8b7d87065a6cb1 /chip/lm4
parent83082746a9a463ad6a964cfc2f2abd0bf08d95fb (diff)
downloadchrome-ec-9374fd2f96d5b486e5c59ebb7f0648b948bdbe4e.tar.gz
Add more info to pll debug command
Signed-off-by: Randall Spangler <rspangler@chromium.org> BUG=none TEST=pll, then pll on, then pll off Change-Id: I9e220a20e234f5eb30009d0a2a4fc080a167c971
Diffstat (limited to 'chip/lm4')
-rw-r--r--chip/lm4/clock.c16
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);