diff options
Diffstat (limited to 'cpu/arm920t/a320')
-rw-r--r-- | cpu/arm920t/a320/Makefile | 47 | ||||
-rw-r--r-- | cpu/arm920t/a320/ftsmc020.c | 51 | ||||
-rw-r--r-- | cpu/arm920t/a320/reset.S | 22 | ||||
-rw-r--r-- | cpu/arm920t/a320/timer.c | 193 |
4 files changed, 0 insertions, 313 deletions
diff --git a/cpu/arm920t/a320/Makefile b/cpu/arm920t/a320/Makefile deleted file mode 100644 index f030c53..0000000 --- a/cpu/arm920t/a320/Makefile +++ /dev/null @@ -1,47 +0,0 @@ -# -# (C) Copyright 2000-2006 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# 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, Inc., 59 Temple Place, Suite 330, Boston, -# MA 02111-1307 USA -# - -include $(TOPDIR)/config.mk - -LIB = $(obj)lib$(SOC).a - -SOBJS += reset.o -COBJS += timer.o -COBJS += ftsmc020.o - -SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) -OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS)) - -all: $(obj).depend $(LIB) - -$(LIB): $(OBJS) - $(AR) $(ARFLAGS) $@ $(OBJS) - -######################################################################### - -# defines $(obj).depend target -include $(SRCTREE)/rules.mk - -sinclude $(obj).depend - -######################################################################### diff --git a/cpu/arm920t/a320/ftsmc020.c b/cpu/arm920t/a320/ftsmc020.c deleted file mode 100644 index 7646537..0000000 --- a/cpu/arm920t/a320/ftsmc020.c +++ /dev/null @@ -1,51 +0,0 @@ -/* - * (C) Copyright 2009 Faraday Technology - * Po-Yu Chuang <ratbert@faraday-tech.com> - * - * 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, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <config.h> -#include <common.h> -#include <asm/io.h> -#include <asm/arch/ftsmc020.h> - -struct ftsmc020_config { - unsigned int config; - unsigned int timing; -}; - -static struct ftsmc020_config config[] = CONFIG_SYS_FTSMC020_CONFIGS; - -static struct ftsmc020 *smc = (struct ftsmc020 *)CONFIG_FTSMC020_BASE; - -static void ftsmc020_setup_bank(unsigned int bank, struct ftsmc020_config *cfg) -{ - if (bank > 3) { - printf("bank # %u invalid\n", bank); - return; - } - - writel(cfg->config, &smc->bank[bank].cr); - writel(cfg->timing, &smc->bank[bank].tpr); -} - -void ftsmc020_init(void) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(config); i++) - ftsmc020_setup_bank(i, &config[i]); -} diff --git a/cpu/arm920t/a320/reset.S b/cpu/arm920t/a320/reset.S deleted file mode 100644 index 12ca527..0000000 --- a/cpu/arm920t/a320/reset.S +++ /dev/null @@ -1,22 +0,0 @@ -/* - * (C) Copyright 2009 Faraday Technology - * Po-Yu Chuang <ratbert@faraday-tech.com> - * - * 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, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -.global reset_cpu -reset_cpu: - b reset_cpu diff --git a/cpu/arm920t/a320/timer.c b/cpu/arm920t/a320/timer.c deleted file mode 100644 index bb65593..0000000 --- a/cpu/arm920t/a320/timer.c +++ /dev/null @@ -1,193 +0,0 @@ -/* - * (C) Copyright 2009 Faraday Technology - * Po-Yu Chuang <ratbert@faraday-tech.com> - * - * 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, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/arch/ftpmu010.h> -#include <asm/arch/fttmr010.h> - -static ulong timestamp; -static ulong lastdec; - -static struct fttmr010 *tmr = (struct fttmr010 *)CONFIG_FTTMR010_BASE; -static struct ftpmu010 *pmu = (struct ftpmu010 *)CONFIG_FTPMU010_BASE; - -#define TIMER_CLOCK 32768 -#define TIMER_LOAD_VAL 0xffffffff - -int timer_init(void) -{ - unsigned int oscc; - unsigned int cr; - - debug("%s()\n", __func__); - - /* disable timers */ - writel(0, &tmr->cr); - - /* - * use 32768Hz oscillator for RTC, WDT, TIMER - */ - - /* enable the 32768Hz oscillator */ - oscc = readl(&pmu->OSCC); - oscc &= ~(FTPMU010_OSCC_OSCL_OFF | FTPMU010_OSCC_OSCL_TRI); - writel(oscc, &pmu->OSCC); - - /* wait until ready */ - while (!(readl(&pmu->OSCC) & FTPMU010_OSCC_OSCL_STABLE)) - ; - - /* select 32768Hz oscillator */ - oscc = readl(&pmu->OSCC); - oscc |= FTPMU010_OSCC_OSCL_RTCLSEL; - writel(oscc, &pmu->OSCC); - - /* setup timer */ - writel(TIMER_LOAD_VAL, &tmr->timer3_load); - writel(TIMER_LOAD_VAL, &tmr->timer3_counter); - writel(0, &tmr->timer3_match1); - writel(0, &tmr->timer3_match2); - - /* we don't want timer to issue interrupts */ - writel(FTTMR010_TM3_MATCH1 | - FTTMR010_TM3_MATCH2 | - FTTMR010_TM3_OVERFLOW, - &tmr->interrupt_mask); - - cr = readl(&tmr->cr); - cr |= FTTMR010_TM3_CLOCK; /* use external clock */ - cr |= FTTMR010_TM3_ENABLE; - writel(cr, &tmr->cr); - - /* init the timestamp and lastdec value */ - reset_timer_masked(); - - return 0; -} - -/* - * timer without interrupts - */ - -/* - * reset time - */ -void reset_timer_masked(void) -{ - /* capure current decrementer value time */ - lastdec = readl(&tmr->timer3_counter) / (TIMER_CLOCK / CONFIG_SYS_HZ); - timestamp = 0; /* start "advancing" time stamp from 0 */ - - debug("%s(): lastdec = %lx\n", __func__, lastdec); -} - -void reset_timer(void) -{ - debug("%s()\n", __func__); - reset_timer_masked(); -} - -/* - * return timer ticks - */ -ulong get_timer_masked(void) -{ - /* current tick value */ - ulong now = readl(&tmr->timer3_counter) / (TIMER_CLOCK / CONFIG_SYS_HZ); - - debug("%s(): now = %lx, lastdec = %lx\n", __func__, now, lastdec); - - if (lastdec >= now) { - /* - * normal mode (non roll) - * move stamp fordward with absoulte diff ticks - */ - timestamp += lastdec - now; - } else { - /* - * we have overflow of the count down timer - * - * nts = ts + ld + (TLV - now) - * ts=old stamp, ld=time that passed before passing through -1 - * (TLV-now) amount of time after passing though -1 - * nts = new "advancing time stamp"...it could also roll and - * cause problems. - */ - timestamp += lastdec + TIMER_LOAD_VAL - now; - } - - lastdec = now; - - debug("%s() returns %lx\n", __func__, timestamp); - - return timestamp; -} - -/* - * return difference between timer ticks and base - */ -ulong get_timer(ulong base) -{ - debug("%s(%lx)\n", __func__, base); - return get_timer_masked() - base; -} - -void set_timer(ulong t) -{ - debug("%s(%lx)\n", __func__, t); - timestamp = t; -} - -/* delay x useconds AND perserve advance timstamp value */ -void udelay(unsigned long usec) -{ - long tmo = usec * (TIMER_CLOCK / 1000) / 1000; - unsigned long now, last = readl(&tmr->timer3_counter); - - debug("%s(%lu)\n", __func__, usec); - while (tmo > 0) { - now = readl(&tmr->timer3_counter); - if (now > last) /* count down timer overflow */ - tmo -= TIMER_LOAD_VAL + last - now; - else - tmo -= last - now; - last = now; - } -} - -/* - * This function is derived from PowerPC code (read timebase as long long). - * On ARM it just returns the timer value. - */ -unsigned long long get_ticks(void) -{ - debug("%s()\n", __func__); - return get_timer(0); -} - -/* - * This function is derived from PowerPC code (timebase clock frequency). - * On ARM it returns the number of timer ticks per second. - */ -ulong get_tbclk(void) -{ - debug("%s()\n", __func__); - return CONFIG_SYS_HZ; -} |