X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fcpu%2Fcortex-m3%2Fio%2Fsam3_pmc.h;h=5bac08a7df0d7aecc61b9addeebf3dd01dd7f911;hb=f1fab319eb3fe91c157b3a9564841aef62a03554;hp=b0801c3d193a03e2466b9960148978397418b074;hpb=c49471ed35076929444a0a90899df4a6ee00a49a;p=bertos.git diff --git a/bertos/cpu/cortex-m3/io/sam3_pmc.h b/bertos/cpu/cortex-m3/io/sam3_pmc.h index b0801c3d..5bac08a7 100644 --- a/bertos/cpu/cortex-m3/io/sam3_pmc.h +++ b/bertos/cpu/cortex-m3/io/sam3_pmc.h @@ -36,6 +36,10 @@ #ifndef SAM3_PMC_H #define SAM3_PMC_H +#include +#include + + /** PMC registers base. */ #if CPU_CM3_SAM3X #define PMC_BASE 0x400E0600 @@ -47,27 +51,67 @@ * PMC register offsets. */ /*\{*/ -#define PMC_SCER_OFF 0x00 ///< System Clock Enable Register -#define PMC_SCDR_OFF 0x04 ///< System Clock Disable Register -#define PMC_SCSR_OFF 0x08 ///< System Clock Status Register -#define PMC_PCER_OFF 0x10 ///< Peripheral Clock Enable Register -#define PMC_PCDR_OFF 0x14 ///< Peripheral Clock Disable Register -#define PMC_PCSR_OFF 0x18 ///< Peripheral Clock Status Register -#define PMC_MOR_OFF 0x20 ///< Main Oscillator Register -#define PMC_MCFR_OFF 0x24 ///< Main Clock Frequency Register -#define PMC_PLLR_OFF 0x28 ///< PLL Register -#define PMC_MCKR_OFF 0x30 ///< Master Clock Register -#define PMC_PCK_OFF 0x40 ///< Programmable Clock 0 Register -#define PMC_IER_OFF 0x60 ///< Interrupt Enable Register -#define PMC_IDR_OFF 0x64 ///< Interrupt Disable Register -#define PMC_SR_OFF 0x68 ///< Status Register -#define PMC_IMR_OFF 0x6C ///< Interrupt Mask Register -#define PMC_FSMR_OFF 0x70 ///< Fast Startup Mode Register -#define PMC_FSPR_OFF 0x74 ///< Fast Startup Polarity Register -#define PMC_FOCR_OFF 0x78 ///< Fault Output Clear Register -#define PMC_WPMR_OFF 0xE4 ///< Write Protect Mode Register -#define PMC_WPSR_OFF 0xE8 ///< Write Protect Status Register -#define PMC_OCR_OFF 0x110 ///< Oscillator Calibration Register +#define PMC_SCER_OFF 0x00 ///< System Clock Enable Register +#define PMC_SCDR_OFF 0x04 ///< System Clock Disable Register +#define PMC_SCSR_OFF 0x08 ///< System Clock Status Register +#define PMC_MOR_OFF 0x20 ///< Main Oscillator Register +#define PMC_MCFR_OFF 0x24 ///< Main Clock Frequency Register +#define PMC_MCKR_OFF 0x30 ///< Master Clock Register +#define PMC_IER_OFF 0x60 ///< Interrupt Enable Register +#define PMC_IDR_OFF 0x64 ///< Interrupt Disable Register +#define PMC_SR_OFF 0x68 ///< Status Register +#define PMC_IMR_OFF 0x6C ///< Interrupt Mask Register +#define PMC_FSMR_OFF 0x70 ///< Fast Startup Mode Register +#define PMC_FSPR_OFF 0x74 ///< Fast Startup Polarity Register +#define PMC_FOCR_OFF 0x78 ///< Fault Output Clear Register +#define PMC_WPMR_OFF 0xE4 ///< Write Protect Mode Register +#define PMC_WPSR_OFF 0xE8 ///< Write Protect Status Register + +#if CPU_CM3_SAM3N + #define PMC_PCER_OFF 0x10 ///< Peripheral Clock Enable Register + #define PMC_PCDR_OFF 0x14 ///< Peripheral Clock Disable Register + #define PMC_PCSR_OFF 0x18 ///< Peripheral Clock Status Register + #define PMC_PLLR_OFF 0x28 ///< PLL Register + #define PMC_PCK_OFF 0x40 ///< Programmable Clock 0 Register + #define PMC_OCR_OFF 0x110 ///< Oscillator Calibration Register +#elif CPU_CM3_SAM3X + #define PMC_PCER0_OFF 0x10 ///< Peripheral Clock Enable Register + #define PMC_PCDR0_OFF 0x14 ///< Peripheral Clock Disable Register + #define PMC_PCSR0_OFF 0x18 ///< Peripheral Clock Status Register + #define PMC_UCKR_OFF 0x1C ///< UTMI clock register + #define PMC_PLLAR_OFF 0x28 ///< PLL Register + #define PMC_USB_OFF 0x38 ///< USB clock register + #define PMC_PCK0_OFF 0x40 ///< Programmable Clock 0 Register + #define PMC_PCK1_OFF 0x44 ///< Programmable Clock 1 Register + #define PMC_PCK2_OFF 0x48 ///< Programmable Clock 2 Register + #define PMC_PCER1_OFF 0x100 ///< Peripheral Clock Enable Register + #define PMC_PCDR1_OFF 0x104 ///< Peripheral Clock Disable Register + #define PMC_PCSR1_OFF 0x108 ///< Peripheral Clock Status Register + #define PMC_PCR_OFF 0x10C ///< Oscillator Calibration Register + + #define PMC_PLLROFF PMC_PLLAR_OFF +#else + #warning Some PMC registers undefined for the selected CPU +#endif +/*\}*/ + + +/** + * Programmable clock ids. + * \{ + */ +#define PMC_PCK0_ID 8 +#define PMC_PCK1_ID 9 +#define PMC_PCK2_ID 10 +/*\}*/ + +/** + * Programmable clock status. + * \{ + */ +#define PMC_PCKRDY0 8 ///< Programmable clock 0 ready. +#define PMC_PCKRDY1 9 ///< Programmable clock 1 ready. +#define PMC_PCKRDY2 10 ///< Programmable clock 2 ready. /*\}*/ /** @@ -77,14 +121,9 @@ #define PMC_SCER (*((reg32_t *)(PMC_BASE + PMC_SCER_OFF))) ///< System Clock Enable Register #define PMC_SCDR (*((reg32_t *)(PMC_BASE + PMC_SCDR_OFF))) ///< System Clock Disable Register #define PMC_SCSR (*((reg32_t *)(PMC_BASE + PMC_SCSR_OFF))) ///< System Clock Status Register -#define PMC_PCER (*((reg32_t *)(PMC_BASE + PMC_PCER_OFF))) ///< Peripheral Clock Enable Register -#define PMC_PCDR (*((reg32_t *)(PMC_BASE + PMC_PCDR_OFF))) ///< Peripheral Clock Disable Register -#define PMC_PCSR (*((reg32_t *)(PMC_BASE + PMC_PCSR_OFF))) ///< Peripheral Clock Status Register #define CKGR_MOR (*((reg32_t *)(PMC_BASE + PMC_MOR_OFF ))) ///< Main Oscillator Register #define CKGR_MCFR (*((reg32_t *)(PMC_BASE + PMC_MCFR_OFF))) ///< Main Clock Frequency Register -#define CKGR_PLLR (*((reg32_t *)(PMC_BASE + PMC_PLLR_OFF))) ///< PLL Register #define PMC_MCKR (*((reg32_t *)(PMC_BASE + PMC_MCKR_OFF))) ///< Master Clock Register -#define PMC_PCK (*((reg32_t *)(PMC_BASE + PMC_PCK_OFF ))) ///< Programmable Clock 0 Register #define PMC_IER (*((reg32_t *)(PMC_BASE + PMC_IER_OFF ))) ///< Interrupt Enable Register #define PMC_IDR (*((reg32_t *)(PMC_BASE + PMC_IDR_OFF ))) ///< Interrupt Disable Register #define PMC_SR (*((reg32_t *)(PMC_BASE + PMC_SR_OFF ))) ///< Status Register @@ -94,9 +133,85 @@ #define PMC_FOCR (*((reg32_t *)(PMC_BASE + PMC_FOCR_OFF))) ///< Fault Output Clear Register #define PMC_WPMR (*((reg32_t *)(PMC_BASE + PMC_WPMR_OFF))) ///< Write Protect Mode Register #define PMC_WPSR (*((reg32_t *)(PMC_BASE + PMC_WPSR_OFF))) ///< Write Protect Status Register -#define PMC_OCR (*((reg32_t *)(PMC_BASE + PMC_OCR_OFF ))) ///< Oscillator Calibration Register + +#if CPU_CM3_SAM3N + #define PMC_PCER (*((reg32_t *)(PMC_BASE + PMC_PCER_OFF))) ///< Peripheral Clock Enable Register + #define PMC_PCDR (*((reg32_t *)(PMC_BASE + PMC_PCDR_OFF))) ///< Peripheral Clock Disable Register + #define PMC_PCSR (*((reg32_t *)(PMC_BASE + PMC_PCSR_OFF))) ///< Peripheral Clock Status Register + #define CKGR_PLLR (*((reg32_t *)(PMC_BASE + PMC_PLLR_OFF))) ///< PLL Register + #define PMC_PCK (*((reg32_t *)(PMC_BASE + PMC_PCK_OFF ))) ///< Programmable Clock 0 Register + #define PMC_OCR (*((reg32_t *)(PMC_BASE + PMC_OCR_OFF ))) ///< Oscillator Calibration Register +#elif CPU_CM3_SAM3X + #define PMC_PCER0 (*((reg32_t *)(PMC_BASE + PMC_PCER0_OFF))) ///< Peripheral Clock Enable Register + #define PMC_PCDR0 (*((reg32_t *)(PMC_BASE + PMC_PCDR0_OFF))) ///< Peripheral Clock Disable Register + #define PMC_PCSR0 (*((reg32_t *)(PMC_BASE + PMC_PCSR0_OFF))) ///< Peripheral Clock Status Register + #define PMC_UCKR (*((reg32_t *)(PMC_BASE + PMC_UCKR_OFF))) ///< UTMI clock register + #define CKGR_PLLAR (*((reg32_t *)(PMC_BASE + PMC_PLLAR_OFF))) ///< PLL Register + #define PMC_USB_O (*((reg32_t *)(PMC_BASE + PMC_USB_O_OFF))) ///< USB clock register + #define PMC_PCK0 (*((reg32_t *)(PMC_BASE + PMC_PCK0_OFF))) ///< Programmable Clock 0 Register + #define PMC_PCK1 (*((reg32_t *)(PMC_BASE + PMC_PCK1_OFF))) ///< Programmable Clock 1 Register + #define PMC_PCK2 (*((reg32_t *)(PMC_BASE + PMC_PCK2_OFF))) ///< Programmable Clock 2 Register + #define PMC_PCER1 (*((reg32_t *)(PMC_BASE + PMC_PCER1_OFF))) ///< Peripheral Clock Enable Register + #define PMC_PCDR1 (*((reg32_t *)(PMC_BASE + PMC_PCDR1_OFF))) ///< Peripheral Clock Disable Register + #define PMC_PCSR1 (*((reg32_t *)(PMC_BASE + PMC_PCSR1_OFF))) ///< Peripheral Clock Status Register + #define PMC_PCR (*((reg32_t *)(PMC_BASE + PMC_PCR_OFF))) ///< Oscillator Calibration Register + + #define CKGR_PLLR CKGR_PLLAR +#endif /*\}*/ +/** + * Enable a peripheral clock. + * + * \param id peripheral id of the peripheral whose clock is enabled + */ +#ifdef PMC_PCER1 + +INLINE void pmc_periphEnable(unsigned id) +{ + ASSERT(id < 64); + if (id < 32) + PMC_PCER0 = BV(id); + else + PMC_PCER1 = BV(id - 32); +} + +#else + +INLINE void pmc_periphEnable(unsigned id) +{ + ASSERT(id < 32); + PMC_PCER = BV(id); +} + +#endif + +/** + * Disable a peripheral clock. + * + * \param id peripheral id of the peripheral whose clock is enabled + */ +#ifdef PMC_PCER1 + +INLINE void pmc_periphDisable(unsigned id) +{ + ASSERT(id < 64); + if (id < 32) + PMC_PCDR0 = BV(id); + else + PMC_PCDR1 = BV(id - 32); +} + +#else + +INLINE void pmc_periphDisable(unsigned id) +{ + ASSERT(id < 32); + PMC_PCDR = BV(id); +} + +#endif + /** * Defines for bit fields in PMC_SCER register. */ @@ -124,114 +239,6 @@ #define PMC_SCSR_PCK2 10 ///< Programmable Clock 2 Output Status /*\}*/ -/** - * Defines for bit fields in PMC_PCER register. - */ -/*\{*/ -#define PMC_PCER_PID2 2 ///< Peripheral Clock 2 Enable -#define PMC_PCER_PID3 3 ///< Peripheral Clock 3 Enable -#define PMC_PCER_PID4 4 ///< Peripheral Clock 4 Enable -#define PMC_PCER_PID5 5 ///< Peripheral Clock 5 Enable -#define PMC_PCER_PID6 6 ///< Peripheral Clock 6 Enable -#define PMC_PCER_PID7 7 ///< Peripheral Clock 7 Enable -#define PMC_PCER_PID8 8 ///< Peripheral Clock 8 Enable -#define PMC_PCER_PID9 9 ///< Peripheral Clock 9 Enable -#define PMC_PCER_PID10 10 ///< Peripheral Clock 10 Enable -#define PMC_PCER_PID11 11 ///< Peripheral Clock 11 Enable -#define PMC_PCER_PID12 12 ///< Peripheral Clock 12 Enable -#define PMC_PCER_PID13 13 ///< Peripheral Clock 13 Enable -#define PMC_PCER_PID14 14 ///< Peripheral Clock 14 Enable -#define PMC_PCER_PID15 15 ///< Peripheral Clock 15 Enable -#define PMC_PCER_PID16 16 ///< Peripheral Clock 16 Enable -#define PMC_PCER_PID17 17 ///< Peripheral Clock 17 Enable -#define PMC_PCER_PID18 18 ///< Peripheral Clock 18 Enable -#define PMC_PCER_PID19 19 ///< Peripheral Clock 19 Enable -#define PMC_PCER_PID20 20 ///< Peripheral Clock 20 Enable -#define PMC_PCER_PID21 21 ///< Peripheral Clock 21 Enable -#define PMC_PCER_PID22 22 ///< Peripheral Clock 22 Enable -#define PMC_PCER_PID23 23 ///< Peripheral Clock 23 Enable -#define PMC_PCER_PID24 24 ///< Peripheral Clock 24 Enable -#define PMC_PCER_PID25 25 ///< Peripheral Clock 25 Enable -#define PMC_PCER_PID26 26 ///< Peripheral Clock 26 Enable -#define PMC_PCER_PID27 27 ///< Peripheral Clock 27 Enable -#define PMC_PCER_PID28 28 ///< Peripheral Clock 28 Enable -#define PMC_PCER_PID29 29 ///< Peripheral Clock 29 Enable -#define PMC_PCER_PID30 30 ///< Peripheral Clock 30 Enable -#define PMC_PCER_PID31 31 ///< Peripheral Clock 31 Enable -/*\}*/ - -/** - * Defines for bit fields in PMC_PCDR register. - */ -/*\{*/ -#define PMC_PCDR_PID2 2 ///< Peripheral Clock 2 Disable -#define PMC_PCDR_PID3 3 ///< Peripheral Clock 3 Disable -#define PMC_PCDR_PID4 4 ///< Peripheral Clock 4 Disable -#define PMC_PCDR_PID5 5 ///< Peripheral Clock 5 Disable -#define PMC_PCDR_PID6 6 ///< Peripheral Clock 6 Disable -#define PMC_PCDR_PID7 7 ///< Peripheral Clock 7 Disable -#define PMC_PCDR_PID8 8 ///< Peripheral Clock 8 Disable -#define PMC_PCDR_PID9 9 ///< Peripheral Clock 9 Disable -#define PMC_PCDR_PID10 10 ///< Peripheral Clock 10 Disable -#define PMC_PCDR_PID11 11 ///< Peripheral Clock 11 Disable -#define PMC_PCDR_PID12 12 ///< Peripheral Clock 12 Disable -#define PMC_PCDR_PID13 13 ///< Peripheral Clock 13 Disable -#define PMC_PCDR_PID14 14 ///< Peripheral Clock 14 Disable -#define PMC_PCDR_PID15 15 ///< Peripheral Clock 15 Disable -#define PMC_PCDR_PID16 16 ///< Peripheral Clock 16 Disable -#define PMC_PCDR_PID17 17 ///< Peripheral Clock 17 Disable -#define PMC_PCDR_PID18 18 ///< Peripheral Clock 18 Disable -#define PMC_PCDR_PID19 19 ///< Peripheral Clock 19 Disable -#define PMC_PCDR_PID20 20 ///< Peripheral Clock 20 Disable -#define PMC_PCDR_PID21 21 ///< Peripheral Clock 21 Disable -#define PMC_PCDR_PID22 22 ///< Peripheral Clock 22 Disable -#define PMC_PCDR_PID23 23 ///< Peripheral Clock 23 Disable -#define PMC_PCDR_PID24 24 ///< Peripheral Clock 24 Disable -#define PMC_PCDR_PID25 25 ///< Peripheral Clock 25 Disable -#define PMC_PCDR_PID26 26 ///< Peripheral Clock 26 Disable -#define PMC_PCDR_PID27 27 ///< Peripheral Clock 27 Disable -#define PMC_PCDR_PID28 28 ///< Peripheral Clock 28 Disable -#define PMC_PCDR_PID29 29 ///< Peripheral Clock 29 Disable -#define PMC_PCDR_PID30 30 ///< Peripheral Clock 30 Disable -#define PMC_PCDR_PID31 31 ///< Peripheral Clock 31 Disable -/*\}*/ - -/** - * Defines for bit fields in PMC_PCSR register. - */ -/*\{*/ -#define PMC_PCSR_PID2 2 ///< Peripheral Clock 2 Status -#define PMC_PCSR_PID3 3 ///< Peripheral Clock 3 Status -#define PMC_PCSR_PID4 4 ///< Peripheral Clock 4 Status -#define PMC_PCSR_PID5 5 ///< Peripheral Clock 5 Status -#define PMC_PCSR_PID6 6 ///< Peripheral Clock 6 Status -#define PMC_PCSR_PID7 7 ///< Peripheral Clock 7 Status -#define PMC_PCSR_PID8 8 ///< Peripheral Clock 8 Status -#define PMC_PCSR_PID9 9 ///< Peripheral Clock 9 Status -#define PMC_PCSR_PID10 10 ///< Peripheral Clock 10 Status -#define PMC_PCSR_PID11 11 ///< Peripheral Clock 11 Status -#define PMC_PCSR_PID12 12 ///< Peripheral Clock 12 Status -#define PMC_PCSR_PID13 13 ///< Peripheral Clock 13 Status -#define PMC_PCSR_PID14 14 ///< Peripheral Clock 14 Status -#define PMC_PCSR_PID15 15 ///< Peripheral Clock 15 Status -#define PMC_PCSR_PID16 16 ///< Peripheral Clock 16 Status -#define PMC_PCSR_PID17 17 ///< Peripheral Clock 17 Status -#define PMC_PCSR_PID18 18 ///< Peripheral Clock 18 Status -#define PMC_PCSR_PID19 19 ///< Peripheral Clock 19 Status -#define PMC_PCSR_PID20 20 ///< Peripheral Clock 20 Status -#define PMC_PCSR_PID21 21 ///< Peripheral Clock 21 Status -#define PMC_PCSR_PID22 22 ///< Peripheral Clock 22 Status -#define PMC_PCSR_PID23 23 ///< Peripheral Clock 23 Status -#define PMC_PCSR_PID24 24 ///< Peripheral Clock 24 Status -#define PMC_PCSR_PID25 25 ///< Peripheral Clock 25 Status -#define PMC_PCSR_PID26 26 ///< Peripheral Clock 26 Status -#define PMC_PCSR_PID27 27 ///< Peripheral Clock 27 Status -#define PMC_PCSR_PID28 28 ///< Peripheral Clock 28 Status -#define PMC_PCSR_PID29 29 ///< Peripheral Clock 29 Status -#define PMC_PCSR_PID30 30 ///< Peripheral Clock 30 Status -#define PMC_PCSR_PID31 31 ///< Peripheral Clock 31 Status -/*\}*/ - /** * Defines for bit fields in CKGR_MOR register. */ @@ -243,9 +250,9 @@ #define CKGR_MOR_MOSCRCF_SHIFT 4 #define CKGR_MOR_MOSCRCF_MASK (0x7 << CKGR_MOR_MOSCRCF_SHIFT) ///< Main On-Chip RC Oscillator Frequency Selection #define CKGR_MOR_MOSCRCF(value) ((CKGR_MOR_MOSCRCF_MASK & ((value) << CKGR_MOR_MOSCRCF_SHIFT))) -#define CKGR_MOR_MOSCRCF_4MHZ (0x0 << CKGR_MOR_MOSCRCF_SHIFT) -#define CKGR_MOR_MOSCRCF_8MHZ (0x1 << CKGR_MOR_MOSCRCF_SHIFT) -#define CKGR_MOR_MOSCRCF_12MHZ (0x2 << CKGR_MOR_MOSCRCF_SHIFT) +#define CKGR_MOR_MOSCRCF_4MHZ (0x0 << CKGR_MOR_MOSCRCF_SHIFT) +#define CKGR_MOR_MOSCRCF_8MHZ (0x1 << CKGR_MOR_MOSCRCF_SHIFT) +#define CKGR_MOR_MOSCRCF_12MHZ (0x2 << CKGR_MOR_MOSCRCF_SHIFT) #define CKGR_MOR_MOSCXTST_SHIFT 8 #define CKGR_MOR_MOSCXTST_MASK (0xff << CKGR_MOR_MOSCXTST_SHIFT) ///< Main Crystal Oscillator Start-up Time #define CKGR_MOR_MOSCXTST(value) ((CKGR_MOR_MOSCXTST_MASK & ((value) << CKGR_MOR_MOSCXTST_SHIFT))) @@ -283,12 +290,12 @@ * Defines for bit fields in PMC_MCKR register. */ /*\{*/ -#define PMC_MCKR_CSS_MASK 0x3 ///< Master Clock Source Selection mask +#define PMC_MCKR_CSS_MASK 0x3 ///< Master Clock Source Selection mask #define PMC_MCKR_CSS_SLOW_CLK 0x0 ///< Slow Clock is selected #define PMC_MCKR_CSS_MAIN_CLK 0x1 ///< Main Clock is selected #define PMC_MCKR_CSS_PLL_CLK 0x2 ///< PLL Clock is selected -#define PMC_MCKR_PRES_SHIFT 4 -#define PMC_MCKR_PRES_MASK (0x7 << PMC_MCKR_PRES_SHIFT) ///< Processor Clock Prescaler mask +#define PMC_MCKR_PRES_SHIFT 4 +#define PMC_MCKR_PRES_MASK (0x7 << PMC_MCKR_PRES_SHIFT) ///< Processor Clock Prescaler mask #define PMC_MCKR_PRES_CLK (0x0 << PMC_MCKR_PRES_SHIFT) ///< Selected clock #define PMC_MCKR_PRES_CLK_2 (0x1 << PMC_MCKR_PRES_SHIFT) ///< Selected clock divided by 2 #define PMC_MCKR_PRES_CLK_4 (0x2 << PMC_MCKR_PRES_SHIFT) ///< Selected clock divided by 4 @@ -297,20 +304,20 @@ #define PMC_MCKR_PRES_CLK_32 (0x5 << PMC_MCKR_PRES_SHIFT) ///< Selected clock divided by 32 #define PMC_MCKR_PRES_CLK_64 (0x6 << PMC_MCKR_PRES_SHIFT) ///< Selected clock divided by 64 #define PMC_MCKR_PRES_CLK_3 (0x7 << PMC_MCKR_PRES_SHIFT) ///< Selected clock divided by 3 -#define PMC_MCKR_PLLDIV2 12 ///< PLL Divisor by 2 +#define PMC_MCKR_PLLDIV2 12 ///< PLL Divisor by 2 /*\}*/ /** * Defines for bit fields in PMC_PCK[3] register. */ /*\{*/ -#define PMC_PCK_CSS_MASK 0x7 ///< Master Clock Source Selection mask +#define PMC_PCK_CSS_MASK 0x7 ///< Master Clock Source Selection mask #define PMC_PCK_CSS_SLOW 0x0 ///< Slow Clock is selected #define PMC_PCK_CSS_MAIN 0x1 ///< Main Clock is selected #define PMC_PCK_CSS_PLL 0x2 ///< PLL Clock is selected #define PMC_PCK_CSS_MCK 0x4 ///< Master Clock is selected -#define PMC_PCK_PRES_SHIFT 4 -#define PMC_PCK_PRES_MASK (0x7 << PMC_PCK_PRES_SHIFT) ///< Programmable Clock Prescaler +#define PMC_PCK_PRES_SHIFT 4 +#define PMC_PCK_PRES_MASK (0x7 << PMC_PCK_PRES_SHIFT) ///< Programmable Clock Prescaler #define PMC_PCK_PRES_CLK (0x0 << PMC_PCK_PRES_SHIFT) ///< Selected clock #define PMC_PCK_PRES_CLK_2 (0x1 << PMC_PCK_PRES_SHIFT) ///< Selected clock divided by 2 #define PMC_PCK_PRES_CLK_4 (0x2 << PMC_PCK_PRES_SHIFT) ///< Selected clock divided by 4