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Fix clock configuration for M4.

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M0 launches baseband, so M4 clock can be set to PLL1. Provide a way to configure that per project, set to correct values for baseband project.
This commit is contained in:
Jared Boone
2015-08-14 12:21:49 -07:00
parent 66320c39d4
commit 4e0de9c4ad
2 changed files with 6 additions and 2 deletions
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4
firmware/chibios-portapack/os/hal/platforms/LPC43xx_M4/hal_lld.c
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@@ -41,7 +41,7 @@
/* TODO: Somehow share this value between the M4 and M0 cores. The M0 always
* runs at the same speed as the M4 core.
*/
static halclock_t hal_clock_f = LPC43XX_M4_CLK_IRC;
static halclock_t hal_clock_f = LPC43XX_M4_CLK;
/*===========================================================================*/
/* Driver local functions. */
@@ -74,7 +74,7 @@ void systick_adjust_period(const uint32_t counts_per_tick) {
*/
void hal_lld_init(void) {
LPC_CGU->BASE_M4_CLK.AUTOBLOCK = 1;
LPC_CGU->BASE_M4_CLK.CLK_SEL = 1;
LPC_CGU->BASE_M4_CLK.CLK_SEL = LPC43XX_M4_CLK_SRC;
/* SysTick initialization using the system clock.*/
systick_adjust_period(halLPCGetSystemClock() / CH_FREQUENCY - 1);