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author | px4dev <px4@purgatory.org> | 2013-01-14 21:01:58 -0800 |
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committer | px4dev <px4@purgatory.org> | 2013-01-14 21:01:58 -0800 |
commit | 854c6436b4e3b292fd04843795d0369dc8856783 (patch) | |
tree | 4d5602f5c70926d2dcd01294561ddd8df4378462 /nuttx/arch/arm/src/stm32/stm32f40xxx_rcc.c | |
parent | 6d138a845aabad31060bd00da0d20d177d3f4be4 (diff) | |
parent | c38ad4ded570eddadeeca3579d02dfc63dcc8a9d (diff) | |
download | px4-firmware-854c6436b4e3b292fd04843795d0369dc8856783.tar.gz px4-firmware-854c6436b4e3b292fd04843795d0369dc8856783.tar.bz2 px4-firmware-854c6436b4e3b292fd04843795d0369dc8856783.zip |
Pull NuttX up to the 6.24 release.
Merge branch 'nuttx-merge-5447'
Diffstat (limited to 'nuttx/arch/arm/src/stm32/stm32f40xxx_rcc.c')
-rw-r--r-- | nuttx/arch/arm/src/stm32/stm32f40xxx_rcc.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/nuttx/arch/arm/src/stm32/stm32f40xxx_rcc.c b/nuttx/arch/arm/src/stm32/stm32f40xxx_rcc.c index 45980f288..c6c0b2382 100644 --- a/nuttx/arch/arm/src/stm32/stm32f40xxx_rcc.c +++ b/nuttx/arch/arm/src/stm32/stm32f40xxx_rcc.c @@ -633,7 +633,11 @@ static void stm32_stdclockconfig(void) /* Enable FLASH prefetch, instruction cache, data cache, and 5 wait states */ +#ifdef STM32_FLASH_PREFETCH + regval = (FLASH_ACR_LATENCY_5 | FLASH_ACR_ICEN | FLASH_ACR_DCEN | FLASH_ACR_PRFTEN); +#else regval = (FLASH_ACR_LATENCY_5 | FLASH_ACR_ICEN | FLASH_ACR_DCEN); +#endif putreg32(regval, STM32_FLASH_ACR); /* Select the main PLL as system clock source */ |