diff options
Diffstat (limited to 'c/src/lib/libbsp/powerpc/mpc55xxevb/startup/start-clock.c')
-rw-r--r-- | c/src/lib/libbsp/powerpc/mpc55xxevb/startup/start-clock.c | 104 |
1 files changed, 0 insertions, 104 deletions
diff --git a/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/start-clock.c b/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/start-clock.c deleted file mode 100644 index 85468d5cb0..0000000000 --- a/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/start-clock.c +++ /dev/null @@ -1,104 +0,0 @@ -/** - * @file - * - * @ingroup mpc55xx - * - * @brief Clock and FMPLL initialization code. - */ - -/* - * Copyright (c) 2008-2011 embedded brains GmbH. All rights reserved. - * - * embedded brains GmbH - * Obere Lagerstr. 30 - * 82178 Puchheim - * Germany - * <rtems@embedded-brains.de> - * - * 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/fatal.h> -#include <bsp/start.h> -#include <bsp/bootcard.h> -#include <bsp/mpc55xx-config.h> - -#ifdef MPC55XX_NEEDS_LOW_LEVEL_INIT - #if defined(MPC55XX_HAS_FMPLL) || defined(MPC55XX_HAS_FMPLL_ENHANCED) - static BSP_START_TEXT_SECTION void fmpll_wait_for_lock(void) - { - int i = 0; - bool lock = false; - - while (!lock && i < 6000) { - lock = FMPLL.SYNSR.B.LOCK != 0; - ++i; - } - - if (!lock) { - bsp_fatal(MPC55XX_FATAL_FMPLL_LOCK); - } - } - #endif -#endif - -BSP_START_TEXT_SECTION void mpc55xx_start_clock(void) -{ - #ifdef MPC55XX_NEEDS_LOW_LEVEL_INIT - const mpc55xx_clock_config *cfg = mpc55xx_start_config_clock; - - #ifdef MPC55XX_HAS_FMPLL - volatile struct FMPLL_tag *fmpll = &FMPLL; - - fmpll->SYNCR.R = cfg->syncr_tmp.R; - fmpll->SYNCR.R; - fmpll_wait_for_lock(); - - fmpll->SYNCR.R = cfg->syncr_final.R; - fmpll->SYNCR.R; - fmpll_wait_for_lock(); - #endif - - #ifdef MPC55XX_HAS_FMPLL_ENHANCED - volatile struct FMPLL_tag *fmpll = &FMPLL; - - fmpll->ESYNCR2.R = cfg->esyncr2_tmp.R; - fmpll->ESYNCR2.R; - fmpll->ESYNCR1.R = cfg->esyncr1_final.R; - fmpll->ESYNCR1.R; - fmpll_wait_for_lock(); - - fmpll->ESYNCR2.R = cfg->esyncr2_final.R; - fmpll->ESYNCR2.R; - fmpll_wait_for_lock(); - - #if MPC55XX_CHIP_FAMILY == 551 || MPC55XX_CHIP_FAMILY == 566 - /* System clock supplied by PLL */ - SIU.SYSCLK.B.SYSCLKSEL = 2; - #endif - #endif - - #ifdef MPC55XX_HAS_MODE_CONTROL - volatile CGM_tag *cgm = &CGM; - size_t fmpll_count = sizeof(cfg->fmpll) / sizeof(cfg->fmpll [0]); - size_t auxclk_count = sizeof(cfg->auxclk) / sizeof(cfg->auxclk [0]); - size_t i = 0; - - for (i = 0; i < auxclk_count; ++i) { - cgm->AUXCLK [i].AC_SC.R = cfg->auxclk [i].AC_SC.R; - cgm->AUXCLK [i].AC_DC0_3.R = cfg->auxclk [i].AC_DC0_3.R; - } - - for (i = 0; i < fmpll_count; ++i) { - cgm->FMPLL [i].CR.R = cfg->fmpll [i].cr.R; - cgm->FMPLL [i].MR.R = cfg->fmpll [i].mr.R; - } - - cgm->OC_EN.R = cfg->oc_en.R; - cgm->OCDS_SC.R = cfg->ocds_sc.R; - #endif - #endif -} |