summaryrefslogtreecommitdiff
path: root/arch/ppc/cpu/mpc5xx/cpu_init.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/ppc/cpu/mpc5xx/cpu_init.c')
-rw-r--r--arch/ppc/cpu/mpc5xx/cpu_init.c123
1 files changed, 0 insertions, 123 deletions
diff --git a/arch/ppc/cpu/mpc5xx/cpu_init.c b/arch/ppc/cpu/mpc5xx/cpu_init.c
deleted file mode 100644
index cb4bf84..0000000
--- a/arch/ppc/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);
-}