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| author | Stefan Agner <stefan.agner@toradex.com> | 2017-03-03 20:01:50 -0800 |
|---|---|---|
| committer | Stefan Agner <stefan.agner@toradex.com> | 2017-03-03 20:01:50 -0800 |
| commit | ba2d7f9f1cbc230b354fddab1dc444d82ec44cee (patch) | |
| tree | 30b950d9123bf3ebd086ca60d9c35bee854739f1 /examples/imx7_colibri_m4/low_power_demo/lpm_mcore.c | |
| parent | c8ea6f4a7541f848b4ca6720c9f5a8d3d1fc8958 (diff) | |
LPM mode working
Diffstat (limited to 'examples/imx7_colibri_m4/low_power_demo/lpm_mcore.c')
| -rw-r--r-- | examples/imx7_colibri_m4/low_power_demo/lpm_mcore.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/examples/imx7_colibri_m4/low_power_demo/lpm_mcore.c b/examples/imx7_colibri_m4/low_power_demo/lpm_mcore.c index 96857b8..0b912c7 100644 --- a/examples/imx7_colibri_m4/low_power_demo/lpm_mcore.c +++ b/examples/imx7_colibri_m4/low_power_demo/lpm_mcore.c @@ -49,7 +49,7 @@ static P_WAKEUP_INT_ELE g_wakeup_int_list; /* * Send Message to A7 */ -static void LPM_MCORE_SendMessage(uint32_t msg) +void LPM_MCORE_SendMessage(uint32_t msg) { while (0 == (MUB_SR & MU_SR_TEn(0x8 >> LPM_MCORE_MU_CHANNEL))); MUB->TR[LPM_MCORE_MU_CHANNEL] = msg; @@ -226,9 +226,13 @@ void LPM_MCORE_ChangeM4Clock(LPM_M4_CLOCK_SPEED target) #endif CCM_SetRootMux(CCM, ccmRootM4, ccmRootmuxM4Osc24m); } + CCM_ControlGate(CCM, ccmPllGateSys, ccmClockNotNeeded); + CCM_ControlGate(CCM, ccmPllGateSysDiv2, ccmClockNotNeeded); configCPU_CLOCK_HZ = 24000000ul; break; case LPM_M4_HIGH_FREQ: + CCM_ControlGate(CCM, ccmPllGateSys, ccmClockNeededRun); + CCM_ControlGate(CCM, ccmPllGateSysDiv2, ccmClockNeededRun); if (CCM_GetRootMux(CCM, ccmRootM4) != ccmRootmuxM4SysPllDiv2) { #if (defined(LPM_MCORE_PRINT_DEBUG_INFO) && (LPM_MCORE_PRINT_DEBUG_INFO)) PRINTF("Change M4 clock freq to SysPLL Div2 (240M)\r\n"); |