diff options
Diffstat (limited to 'cpu/mpc5xx/cpu_init.c')
-rw-r--r-- | cpu/mpc5xx/cpu_init.c | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/cpu/mpc5xx/cpu_init.c b/cpu/mpc5xx/cpu_init.c deleted file mode 100644 index cb4bf84..0000000 --- a/cpu/mpc5xx/cpu_init.c +++ /dev/null @@ -1,123 +0,0 @@ -/* - * (C) Copyright 2003 Martin Winistoerfer, martinwinistoerfer@gmx.ch. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, - */ - -/* - * File: cpu_init.c - * - * Discription: Contains initialisation functions to setup - * the cpu properly - * - */ - -#include <common.h> -#include <mpc5xx.h> -#include <watchdog.h> - -/* - * Setup essential cpu registers to run - */ -void cpu_init_f (volatile immap_t * immr) -{ - volatile memctl5xx_t *memctl = &immr->im_memctl; - ulong reg; - - /* SYPCR - contains watchdog control. This will enable watchdog */ - /* if CONFIG_WATCHDOG is set */ - immr->im_siu_conf.sc_sypcr = CONFIG_SYS_SYPCR; - -#if defined(CONFIG_WATCHDOG) - reset_5xx_watchdog (immr); -#endif - - /* SIUMCR - contains debug pin configuration */ - immr->im_siu_conf.sc_siumcr |= CONFIG_SYS_SIUMCR; - - /* Initialize timebase. Unlock TBSCRK */ - immr->im_sitk.sitk_tbscrk = KAPWR_KEY; - immr->im_sit.sit_tbscr = CONFIG_SYS_TBSCR; - - /* Full IMB bus speed */ - immr->im_uimb.uimb_umcr = CONFIG_SYS_UMCR; - - /* Time base and decrementer will be enables (TBE) */ - /* in init_timebase() in time.c called from board_init_f(). */ - - /* Initialize the PIT. Unlock PISCRK */ - immr->im_sitk.sitk_piscrk = KAPWR_KEY; - immr->im_sit.sit_piscr = CONFIG_SYS_PISCR; - -#if !defined(CONFIG_PATI) - /* PATI sest PLL in start.S */ - /* PLL (CPU clock) settings */ - immr->im_clkrstk.cark_plprcrk = KAPWR_KEY; - - /* If CONFIG_SYS_PLPRCR (set in the various *_config.h files) tries to - * set the MF field, then just copy CONFIG_SYS_PLPRCR over car_plprcr, - * otherwise OR in CONFIG_SYS_PLPRCR so we do not change the currentMF - * field value. - */ -#if ((CONFIG_SYS_PLPRCR & PLPRCR_MF_MSK) != 0) - reg = CONFIG_SYS_PLPRCR; /* reset control bits */ -#else - reg = immr->im_clkrst.car_plprcr; - reg &= PLPRCR_MF_MSK; /* isolate MF field */ - reg |= CONFIG_SYS_PLPRCR; /* reset control bits */ -#endif - immr->im_clkrst.car_plprcr = reg; - -#endif /* !defined(CONFIG_PATI) */ - - /* System integration timers. CONFIG_SYS_MASK has EBDF configuration */ - immr->im_clkrstk.cark_sccrk = KAPWR_KEY; - reg = immr->im_clkrst.car_sccr; - reg &= SCCR_MASK; - reg |= CONFIG_SYS_SCCR; - immr->im_clkrst.car_sccr = reg; - - /* Memory Controller */ - memctl->memc_br0 = CONFIG_SYS_BR0_PRELIM; - memctl->memc_or0 = CONFIG_SYS_OR0_PRELIM; - -#if (defined(CONFIG_SYS_OR1_PRELIM) && defined(CONFIG_SYS_BR1_PRELIM)) - memctl->memc_or1 = CONFIG_SYS_OR1_PRELIM; - memctl->memc_br1 = CONFIG_SYS_BR1_PRELIM; -#endif - -#if defined(CONFIG_SYS_OR2_PRELIM) && defined(CONFIG_SYS_BR2_PRELIM) - memctl->memc_or2 = CONFIG_SYS_OR2_PRELIM; - memctl->memc_br2 = CONFIG_SYS_BR2_PRELIM; -#endif - -#if defined(CONFIG_SYS_OR3_PRELIM) && defined(CONFIG_SYS_BR3_PRELIM) - memctl->memc_or3 = CONFIG_SYS_OR3_PRELIM; - memctl->memc_br3 = CONFIG_SYS_BR3_PRELIM; -#endif - -} - -/* - * Initialize higher level parts of cpu - */ -int cpu_init_r (void) -{ - /* Nothing to do at the moment */ - return (0); -} |