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sam3x: Add some PMC convenience functions.

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This commit is contained in:
Gareth McMullin
2013-04-30 13:05:06 -07:00
committed by Piotr Esden-Tempski
parent dde1d82fb1
commit fcd527d31b
3 changed files with 32 additions and 1 deletions
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5
include/libopencm3/sam3x/eefc.h
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@@ -68,6 +68,11 @@
#define EEFC_FSR_FCMDE (0x01 << 1)
#define EEFC_FSR_FRDY (0x01 << 0)
static inline void eefc_set_latency(u8 wait)
{
EEFC_FMR(EEFC0) = (EEFC_FMR(EEFC0) & ~EEFC_FMR_FWS_MASK) | (wait << 8);
EEFC_FMR(EEFC1) = (EEFC_FMR(EEFC1) & ~EEFC_FMR_FWS_MASK) | (wait << 8);
}
#endif

9
include/libopencm3/sam3x/pmc.h
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@@ -125,6 +125,15 @@
#define PMC_SR_LOCKA (0x01 << 1)
#define PMC_SR_MOSCXTS (0x01 << 0)
enum mck_src {
MCK_SRC_SLOW = 0,
MCK_SRC_MAIN = 1,
MCK_SRC_PLLA = 2,
MCK_SRC_UPLL = 3,
};
void pmc_mck_set_source(enum mck_src src);
void pmc_xtal_enable(bool en, u8 startup_time);
void pmc_plla_config(u8 mul, u8 div);
void pmc_peripheral_clock_enable(u8 pid);
void pmc_peripheral_clock_disable(u8 pid);