2017-08-21 19:40 GMT+02:00 Gedare Bloom <ged...@rtems.org>: > On Mon, Aug 21, 2017 at 12:27 PM, Denis Obrezkov > <denisobrez...@gmail.com> wrote: > > 2017-08-17 17:16 GMT+02:00 Gedare Bloom <ged...@rtems.org>: > >> > >> On Wed, Aug 16, 2017 at 11:13 AM, Denis Obrezkov > >> <denisobrez...@gmail.com> wrote: > >> > --- > >> > c/src/lib/libbsp/riscv32/hifive1/start/bspstart.c | 65 > >> > +++++++++++++++++++++++ > >> > 1 file changed, 65 insertions(+) > >> > create mode 100644 c/src/lib/libbsp/riscv32/hifive1/start/bspstart.c > >> > > >> > diff --git a/c/src/lib/libbsp/riscv32/hifive1/start/bspstart.c > >> > b/c/src/lib/libbsp/riscv32/hifive1/start/bspstart.c > >> > new file mode 100644 > >> > index 0000000..efef4e0 > >> > --- /dev/null > >> > +++ b/c/src/lib/libbsp/riscv32/hifive1/start/bspstart.c > >> > @@ -0,0 +1,65 @@ > >> > +/* > >> > + * Copyright (c) 2017 > >> > + * Denis Obrezkov <denisobrez...@gmail.com> > >> > + * > >> > + * The license and distribution terms for this file may be > >> > + * found in the file LICENSE in this distribution or at > >> > + * http://www.rtems.org/license/LICENSE. > >> > + */ > >> > + > >> > +#include <bsp.h> > >> > +#include <bsp/bootcard.h> > >> > +#include <bsp/prci.h> > >> > +#include <bsp/fe310.h> > >> > + > >> > +/* > >> > + * This routine make initialization of HiFive1 (FE310) counters. > >> > + */ > >> > + > >> > +void bsp_start( void ) > >> > +{ > >> > + volatile uint32_t * pll_reg = (volatile uint32_t *) PRCI_PLLCFG; > >> > + volatile uint32_t * high_freq_reg = (volatile uint32_t *) > >> > PRCI_HFROSCCFG; > >> > + volatile uint32_t * spi0 = (volatile uint32_t *) 0x10014000; > >> > + > >> > + volatile uint64_t * mtime_reg = (volatile uint64_t * ) 0x0200bff8; > >> > + volatile uint64_t * mtimecmp_reg = (volatile uint64_t * ) > 0x02004000; > >> > + > >> > +#ifdef USE_HFROSC > >> > + /* Setting up osc frequency */ > >> > + uint32_t tmp_reg = 0; > >> > + /* Install divider in high frequency oscillator */ > >> > + tmp_reg |= (HFROSC_DIV_VAL & 0x2f) << HFROSC_DIV_OFFSET; > >> > + tmp_reg |= (HFROSC_TRIM_VAL & 0x1F) << HFROSC_TRIM_OFFSET; > >> > + tmp_reg |= (HFROSC_EN_VAL & 0x1) << HFROSC_EN_OFFSET; > >> > + (*high_freq_reg) = tmp_reg; > >> It would be good to make the above into a function. > > > > I agree but in what file should we place it? > > it's not a clock or a timer. > > Some utility header for the bsp would be fine. > > >> > >> > >> > + while (( (*high_freq_reg) & ((HFROSC_RDY_VAL & 0x1) \ > >> > + << HFROSC_RDY_OFFSET)) == 0 ) { > >> > + ; > >> > + } > >> > +#endif /* USE_HFROSC */ > >> > + > >> > +#ifdef USE_HFXOSC > >> > + volatile uint32_t * ext_freq_reg = (volatile uint32_t *) > >> > PRCI_HFXOSCCFG; > >> > + (*ext_freq_reg) |= ((HFXOSC_EN_VAL & 0x1) << HFXOSC_EN_OFFSET); > >> > + while (( (*ext_freq_reg) & ((HFXOSC_RDY_VAL & 0x1) \ > >> > + << HFXOSC_RDY_OFFSET)) == 0 ) { > >> > + ; > >> > + } > >> > + (*pll_reg) |= (0x1 << 18); > >> > + (*pll_reg) |= (0x1 << 17); > >> > + (*pll_reg) |= (0x1 << PLL_SEL_OFFSET); > >> > + (*high_freq_reg) &= ~(0x1 << HFROSC_EN_OFFSET); > >> > + > >> > +#endif /* USE_HFXOSC */ > >> > +#ifndef USE_PLL > >> > + /* Disable PLL */ > >> > + (*pll_reg) &= ~(0x1 << PLL_SEL_OFFSET); > >> > +#else > >> > + > >> > +#endif > >> > + > >> > + bsp_interrupt_initialize(); > >> > + > >> > +} > >> > + > >> > -- > >> > 2.1.4 > >> > > >> > _______________________________________________ > >> > devel mailing list > >> > devel@rtems.org > >> > http://lists.rtems.org/mailman/listinfo/devel > > > > > > > > > > -- > > Regards, Denis Obrezkov >
Do you mean to make it static inline? -- Regards, Denis Obrezkov
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