altos/stm32f4: Add more stm32f413 definitions and support code

[fw/altos] / src / stm32f4 / ao_timer.c

diff --git a/src/stm32f4/ao_timer.c b/src/stm32f4/ao_timer.c
index e378ed071e2aba41758ac1ffbc8a55639ff60db8..d6ef9bc379e5d074b68bb98506957f46ce94e599 100644 (file)
--- a/src/stm32f4/ao_timer.c
+++ b/src/stm32f4/ao_timer.c
@@ -181,6 +181,14 @@ ao_clock_init(void)
        cfgr |= (AO_RCC_CFGR_PPRE2_DIV << STM_RCC_CFGR_PPRE2);
        stm_rcc.cfgr = cfgr;
 
+       /* Clock configuration register DCKCFGR2; mostly make sure USB
+        * gets clocked from PLL_Q
+        */
+       stm_rcc.dckcfgr2 = ((STM_RCC_DCKCFGR2_LPTIMER1SEL_APB << STM_RCC_DCKCFGR2_LPTIMER1SEL) |
+                           (STM_RCC_DCKCFGR2_SDIOSEL_CK_48MHZ << STM_RCC_DCKCFGR2_SDIOSEL) |
+                           (STM_RCC_DCKCFGR2_CK48MSEL_PLL_Q << STM_RCC_DCKCFGR2_CK48MSEL) |
+                           (STM_RCC_DCKCFGR2_I2CFMP1SEL_APB << STM_RCC_DCKCFGR2_I2CFMP1SEL));
+
        /* Disable the PLL */
        stm_rcc.cr &= ~(1 << STM_RCC_CR_PLLON);
        while (stm_rcc.cr & (1 << STM_RCC_CR_PLLRDY))
@@ -196,7 +204,6 @@ ao_clock_init(void)
 
        pllcfgr |= (AO_PLL_M << STM_RCC_PLLCFGR_PLLM);
        pllcfgr |= (AO_PLL1_N << STM_RCC_PLLCFGR_PLLN);
-#if AO_PLL1_P
 #if AO_PLL1_P == 2
 #define AO_RCC_PLLCFGR_PLLP    STM_RCC_PLLCFGR_PLLP_DIV_2
 #endif
@@ -210,13 +217,8 @@ ao_clock_init(void)
 #define AO_RCC_PLLCFGR_PLLP    STM_RCC_PLLCFGR_PLLP_DIV_8
 #endif
        pllcfgr |= (AO_RCC_PLLCFGR_PLLP << STM_RCC_PLLCFGR_PLLP);
-#endif
-#if AO_PLL1_Q
        pllcfgr |= (AO_PLL1_Q << STM_RCC_PLLCFGR_PLLQ);
-#endif
-#if AO_PLL1_R
        pllcfgr |= (AO_PLL1_R << STM_RCC_PLLCFGR_PLLR);
-#endif
        /* PLL source */
        pllcfgr &= ~(1 << STM_RCC_PLLCFGR_PLLSRC);
 #if AO_HSI