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| author | Marti Bolivar <mbolivar@leaflabs.com> | 2012-06-05 17:50:18 -0400 |
|---|---|---|
| committer | Marti Bolivar <mbolivar@leaflabs.com> | 2012-06-07 03:38:29 -0400 |
| commit | adbbbc19369f64d64f72d9417a0bf0272d1ba497 (patch) | |
| tree | 661f22f56bb1980fe5f914e55875635020d5e5e1 | |
| parent | 221a3eb9aa5bb8318c4c2cafabd4cb4a9db2eea2 (diff) | |
| download | librambutan-adbbbc19369f64d64f72d9417a0bf0272d1ba497.tar.gz librambutan-adbbbc19369f64d64f72d9417a0bf0272d1ba497.zip | |
STM32F2: Allow boards to override PLL configuration.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
| -rw-r--r-- | wirish/stm32f2/boards_setup.cpp | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/wirish/stm32f2/boards_setup.cpp b/wirish/stm32f2/boards_setup.cpp index 876a65b..dd872d3 100644 --- a/wirish/stm32f2/boards_setup.cpp +++ b/wirish/stm32f2/boards_setup.cpp @@ -40,13 +40,27 @@ #include <libmaple/syscfg.h> #include <libmaple/libmaple_types.h> #include <wirish/wirish_types.h> +#include <board/board.h> -// PLL configuration for 25 MHz external oscillator --> 120 MHz SYSCLK. -#define PLL_Q 5 -#define PLL_P 2 -#define PLL_N 240 -#define PLL_M 25 -static stm32f2_rcc_pll_data pll_data = {PLL_Q, PLL_P, PLL_N, PLL_M}; +// PLL config for 25 MHz external crystal --> 120 MHz SYSCLK, with +// 48 MHz PLL48CK. +#ifndef BOARD_PLL_Q +#define BOARD_PLL_Q 5 +#endif +#ifndef BOARD_PLL_P +#define BOARD_PLL_P 2 +#endif +#ifndef BOARD_PLL_N +#define BOARD_PLL_N 240 +#endif +#ifndef BOARD_PLL_M +#define BOARD_PLL_M 25 +#endif + +static stm32f2_rcc_pll_data pll_data = {BOARD_PLL_Q, + BOARD_PLL_P, + BOARD_PLL_N, + BOARD_PLL_M}; namespace wirish { namespace priv { |