From: Sascha Hauer s.hauer@pengutronix.de
Move omap24xx code to cpu/arm1136/omap24xx, rename include/asm-arm/arch-arm1136 to cpu/arm1136/omap24xx.
Signed-off-by: Sascha Hauer s.hauer@pengutronix.de Signed-off-by: Guennadi Liakhovetski lg@denx.de
---
Makefile | 4 +- cpu/arm1136/Makefile | 2 +- cpu/arm1136/cpu.c | 11 +- cpu/arm1136/interrupts.c | 167 -------------------- cpu/arm1136/omap24xx/Makefile | 46 ++++++ cpu/arm1136/omap24xx/interrupts.c | 159 +++++++++++++++++++ cpu/arm1136/omap24xx/start.S | 42 +++++ cpu/arm1136/start.S | 21 --- .../asm-arm/{arch-arm1136 => arch-omap24xx}/bits.h | 0 .../{arch-arm1136 => arch-omap24xx}/clocks.h | 0 .../asm-arm/{arch-arm1136 => arch-omap24xx}/i2c.h | 0 .../asm-arm/{arch-arm1136 => arch-omap24xx}/mem.h | 0 .../asm-arm/{arch-arm1136 => arch-omap24xx}/mux.h | 0 .../{arch-arm1136 => arch-omap24xx}/omap2420.h | 0 .../{arch-arm1136 => arch-omap24xx}/sizes.h | 0 .../{arch-arm1136 => arch-omap24xx}/sys_info.h | 0 .../{arch-arm1136 => arch-omap24xx}/sys_proto.h | 0 17 files changed, 254 insertions(+), 198 deletions(-) delete mode 100644 cpu/arm1136/interrupts.c create mode 100644 cpu/arm1136/omap24xx/Makefile create mode 100644 cpu/arm1136/omap24xx/interrupts.c create mode 100644 cpu/arm1136/omap24xx/start.S rename include/asm-arm/{arch-arm1136 => arch-omap24xx}/bits.h (100%) rename include/asm-arm/{arch-arm1136 => arch-omap24xx}/clocks.h (100%) rename include/asm-arm/{arch-arm1136 => arch-omap24xx}/i2c.h (100%) rename include/asm-arm/{arch-arm1136 => arch-omap24xx}/mem.h (100%) rename include/asm-arm/{arch-arm1136 => arch-omap24xx}/mux.h (100%) rename include/asm-arm/{arch-arm1136 => arch-omap24xx}/omap2420.h (100%) rename include/asm-arm/{arch-arm1136 => arch-omap24xx}/sizes.h (100%) rename include/asm-arm/{arch-arm1136 => arch-omap24xx}/sys_info.h (100%) rename include/asm-arm/{arch-arm1136 => arch-omap24xx}/sys_proto.h (100%)
diff --git a/Makefile b/Makefile index 4255cf5..a9f4bd3 100644 --- a/Makefile +++ b/Makefile @@ -2587,12 +2587,12 @@ zylonite_config : ## ARM1136 Systems ######################################################################### omap2420h4_config : unconfig - @$(MKCONFIG) $(@:_config=) arm arm1136 omap2420h4 + @$(MKCONFIG) $(@:_config=) arm arm1136 omap2420h4 NULL omap24xx
apollon_config : unconfig @mkdir -p $(obj)include @echo "#define CONFIG_ONENAND_U_BOOT" > $(obj)include/config.h - @$(MKCONFIG) $(@:_config=) arm arm1136 apollon + @$(MKCONFIG) $(@:_config=) arm arm1136 apollon NULL omap24xx @echo "CONFIG_ONENAND_U_BOOT = y" >> $(obj)include/config.mk
#======================================================================== diff --git a/cpu/arm1136/Makefile b/cpu/arm1136/Makefile index d5ac7d3..7701b03 100644 --- a/cpu/arm1136/Makefile +++ b/cpu/arm1136/Makefile @@ -26,7 +26,7 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(CPU).a
START = start.o -COBJS = interrupts.o cpu.o +COBJS = cpu.o
SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(COBJS) $(SOBJS)) diff --git a/cpu/arm1136/cpu.c b/cpu/arm1136/cpu.c index fa78eaa..c27f8cd 100644 --- a/cpu/arm1136/cpu.c +++ b/cpu/arm1136/cpu.c @@ -33,9 +33,6 @@
#include <common.h> #include <command.h> -#if !defined(CONFIG_INTEGRATOR) && ! defined(CONFIG_ARCH_CINTEGRATOR) -#include <asm/arch/omap2420.h> -#endif
#ifdef CONFIG_USE_IRQ DECLARE_GLOBAL_DATA_PTR; @@ -47,10 +44,10 @@ static unsigned long read_p15_c1 (void) unsigned long value;
__asm__ __volatile__( - "mrc p15, 0, %0, c1, c0, 0 @ read control reg\n" - : "=r" (value) - : - : "memory"); + "mrc p15, 0, %0, c1, c0, 0 @ read control reg\n" + : "=r" (value) + : + : "memory"); return value; }
diff --git a/cpu/arm1136/interrupts.c b/cpu/arm1136/interrupts.c deleted file mode 100644 index 491c902..0000000 --- a/cpu/arm1136/interrupts.c +++ /dev/null @@ -1,167 +0,0 @@ -/* - * (C) Copyright 2004 - * Texas Instruments - * Richard Woodruff r-woodruff2@ti.com - * - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Marius Groeger mgroeger@sysgo.de - * Alex Zuepke azu@sysgo.de - * - * (C) Copyright 2002 - * Gary Jennejohn, DENX Software Engineering, gj@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 <common.h> -#include <asm/arch/bits.h> - -#if !defined(CONFIG_INTEGRATOR) && ! defined(CONFIG_ARCH_CINTEGRATOR) -# include <asm/arch/omap2420.h> -#endif - -#define TIMER_LOAD_VAL 0 - -/* macro to read the 32 bit timer */ -#define READ_TIMER (*(volatile ulong *)(CFG_TIMERBASE+TCRR)) - -#if defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_CINTEGRATOR) -/* Use the IntegratorCP function from board/integratorcp.c */ -#else - -static ulong timestamp; -static ulong lastinc; - -/* nothing really to do with interrupts, just starts up a counter. */ -int interrupt_init (void) -{ - int32_t val; - - /* Start the counter ticking up */ - *((int32_t *) (CFG_TIMERBASE + TLDR)) = TIMER_LOAD_VAL; /* reload value on overflow*/ - val = (CFG_PVT << 2) | BIT5 | BIT1 | BIT0; /* mask to enable timer*/ - *((int32_t *) (CFG_TIMERBASE + TCLR)) = val; /* start timer */ - - reset_timer_masked(); /* init the timestamp and lastinc value */ - - return(0); -} -/* - * timer without interrupts - */ -void reset_timer (void) -{ - reset_timer_masked (); -} - -ulong get_timer (ulong base) -{ - return get_timer_masked () - base; -} - -void set_timer (ulong t) -{ - timestamp = t; -} - -/* delay x useconds AND perserve advance timstamp value */ -void udelay (unsigned long usec) -{ - ulong tmo, tmp; - - if (usec >= 1000) { /* if "big" number, spread normalization to seconds */ - tmo = usec / 1000; /* start to normalize for usec to ticks per sec */ - tmo *= CFG_HZ; /* find number of "ticks" to wait to achieve target */ - tmo /= 1000; /* finish normalize. */ - } else { /* else small number, don't kill it prior to HZ multiply */ - tmo = usec * CFG_HZ; - tmo /= (1000*1000); - } - - tmp = get_timer (0); /* get current timestamp */ - if ( (tmo + tmp + 1) < tmp )/* if setting this forward will roll time stamp */ - reset_timer_masked (); /* reset "advancing" timestamp to 0, set lastinc value */ - else - tmo += tmp; /* else, set advancing stamp wake up time */ - while (get_timer_masked () < tmo)/* loop till event */ - /*NOP*/; -} - -void reset_timer_masked (void) -{ - /* reset time */ - lastinc = READ_TIMER; /* capture current incrementer value time */ - timestamp = 0; /* start "advancing" time stamp from 0 */ -} - -ulong get_timer_masked (void) -{ - ulong now = READ_TIMER; /* current tick value */ - - if (now >= lastinc) /* normal mode (non roll) */ - timestamp += (now - lastinc); /* move stamp fordward with absoulte diff ticks */ - else /* we have rollover of incrementer */ - timestamp += (0xFFFFFFFF - lastinc) + now; - lastinc = now; - return timestamp; -} - -/* waits specified delay value and resets timestamp */ -void udelay_masked (unsigned long usec) -{ - ulong tmo; - ulong endtime; - signed long diff; - - if (usec >= 1000) { /* if "big" number, spread normalization to seconds */ - tmo = usec / 1000; /* start to normalize for usec to ticks per sec */ - tmo *= CFG_HZ; /* find number of "ticks" to wait to achieve target */ - tmo /= 1000; /* finish normalize. */ - } else { /* else small number, don't kill it prior to HZ multiply */ - tmo = usec * CFG_HZ; - tmo /= (1000*1000); - } - endtime = get_timer_masked () + tmo; - - do { - ulong now = get_timer_masked (); - diff = endtime - now; - } while (diff >= 0); -} - -/* - * 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) -{ - 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) -{ - ulong tbclk; - tbclk = CFG_HZ; - return tbclk; -} -#endif /* !Integrator/CP */ diff --git a/cpu/arm1136/omap24xx/Makefile b/cpu/arm1136/omap24xx/Makefile new file mode 100644 index 0000000..f9afed7 --- /dev/null +++ b/cpu/arm1136/omap24xx/Makefile @@ -0,0 +1,46 @@ +# +# (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 + +COBJS = interrupts.o +SOBJS = start.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/arm1136/omap24xx/interrupts.c b/cpu/arm1136/omap24xx/interrupts.c new file mode 100644 index 0000000..a50fa39 --- /dev/null +++ b/cpu/arm1136/omap24xx/interrupts.c @@ -0,0 +1,159 @@ +/* + * (C) Copyright 2004 + * Texas Instruments + * Richard Woodruff r-woodruff2@ti.com + * + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Marius Groeger mgroeger@sysgo.de + * Alex Zuepke azu@sysgo.de + * + * (C) Copyright 2002 + * Gary Jennejohn, DENX Software Engineering, gj@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 <common.h> +#include <asm/arch/bits.h> +#include <asm/arch/omap2420.h> + +#define TIMER_LOAD_VAL 0 + +/* macro to read the 32 bit timer */ +#define READ_TIMER (*(volatile ulong *)(CFG_TIMERBASE+TCRR)) + +static ulong timestamp; +static ulong lastinc; + +/* nothing really to do with interrupts, just starts up a counter. */ +int interrupt_init (void) +{ + int32_t val; + + /* Start the counter ticking up */ + *((int32_t *) (CFG_TIMERBASE + TLDR)) = TIMER_LOAD_VAL; /* reload value on overflow*/ + val = (CFG_PVT << 2) | BIT5 | BIT1 | BIT0; /* mask to enable timer*/ + *((int32_t *) (CFG_TIMERBASE + TCLR)) = val; /* start timer */ + + reset_timer_masked(); /* init the timestamp and lastinc value */ + + return(0); +} +/* + * timer without interrupts + */ +void reset_timer (void) +{ + reset_timer_masked (); +} + +ulong get_timer (ulong base) +{ + return get_timer_masked () - base; +} + +void set_timer (ulong t) +{ + timestamp = t; +} + +/* delay x useconds AND perserve advance timstamp value */ +void udelay (unsigned long usec) +{ + ulong tmo, tmp; + + if (usec >= 1000) { /* if "big" number, spread normalization to seconds */ + tmo = usec / 1000; /* start to normalize for usec to ticks per sec */ + tmo *= CFG_HZ; /* find number of "ticks" to wait to achieve target */ + tmo /= 1000; /* finish normalize. */ + } else { /* else small number, don't kill it prior to HZ multiply */ + tmo = usec * CFG_HZ; + tmo /= (1000*1000); + } + + tmp = get_timer (0); /* get current timestamp */ + if ( (tmo + tmp + 1) < tmp )/* if setting this forward will roll time stamp */ + reset_timer_masked (); /* reset "advancing" timestamp to 0, set lastinc value */ + else + tmo += tmp; /* else, set advancing stamp wake up time */ + while (get_timer_masked () < tmo)/* loop till event */ + /*NOP*/; +} + +void reset_timer_masked (void) +{ + /* reset time */ + lastinc = READ_TIMER; /* capture current incrementer value time */ + timestamp = 0; /* start "advancing" time stamp from 0 */ +} + +ulong get_timer_masked (void) +{ + ulong now = READ_TIMER; /* current tick value */ + + if (now >= lastinc) /* normal mode (non roll) */ + timestamp += (now - lastinc); /* move stamp fordward with absoulte diff ticks */ + else /* we have rollover of incrementer */ + timestamp += (0xFFFFFFFF - lastinc) + now; + lastinc = now; + return timestamp; +} + +/* waits specified delay value and resets timestamp */ +void udelay_masked (unsigned long usec) +{ + ulong tmo; + ulong endtime; + signed long diff; + + if (usec >= 1000) { /* if "big" number, spread normalization to seconds */ + tmo = usec / 1000; /* start to normalize for usec to ticks per sec */ + tmo *= CFG_HZ; /* find number of "ticks" to wait to achieve target */ + tmo /= 1000; /* finish normalize. */ + } else { /* else small number, don't kill it prior to HZ multiply */ + tmo = usec * CFG_HZ; + tmo /= (1000*1000); + } + endtime = get_timer_masked () + tmo; + + do { + ulong now = get_timer_masked (); + diff = endtime - now; + } while (diff >= 0); +} + +/* + * 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) +{ + 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) +{ + ulong tbclk; + tbclk = CFG_HZ; + return tbclk; +} diff --git a/cpu/arm1136/omap24xx/start.S b/cpu/arm1136/omap24xx/start.S new file mode 100644 index 0000000..d6cefbd --- /dev/null +++ b/cpu/arm1136/omap24xx/start.S @@ -0,0 +1,42 @@ +/* + * armboot - Startup Code for OMP2420/ARM1136 CPU-core + * + * Copyright (c) 2004 Texas Instruments r-woodruff2@ti.com + * + * Copyright (c) 2001 Marius Grц╤ger mag@sysgo.de + * Copyright (c) 2002 Alex Zц╪pke azu@sysgo.de + * Copyright (c) 2002 Gary Jennejohn gj@denx.de + * Copyright (c) 2003 Richard Woodruff r-woodruff2@ti.com + * Copyright (c) 2003 Kshitij kshitij@ti.com + * + * 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 <asm/arch/omap2420.h> + +.globl reset_cpu +reset_cpu: + ldr r1, rstctl /* get addr for global reset reg */ + mov r3, #0x2 /* full reset pll+mpu */ + str r3, [r1] /* force reset */ + mov r0, r0 +_loop_forever: + b _loop_forever +rstctl: + .word PM_RSTCTRL_WKUP diff --git a/cpu/arm1136/start.S b/cpu/arm1136/start.S index 8b765f1..56009d0 100644 --- a/cpu/arm1136/start.S +++ b/cpu/arm1136/start.S @@ -30,9 +30,6 @@
#include <config.h> #include <version.h> -#if !defined(CONFIG_INTEGRATOR) && ! defined(CONFIG_ARCH_CINTEGRATOR) -#include <asm/arch/omap2420.h> -#endif .globl _start _start: b reset #ifdef CONFIG_ONENAND_IPL @@ -438,22 +435,4 @@ fiq: arm1136_cache_flush: mcr p15, 0, r1, c7, c5, 0 @ invalidate I cache mov pc, lr @ back to caller - -#if defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_CINTEGRATOR) -/* Use the IntegratorCP function from board/integratorcp/platform.S */ -#else - - .align 5 -.globl reset_cpu -reset_cpu: - ldr r1, rstctl /* get addr for global reset reg */ - mov r3, #0x2 /* full reset pll+mpu */ - str r3, [r1] /* force reset */ - mov r0, r0 -_loop_forever: - b _loop_forever -rstctl: - .word PM_RSTCTRL_WKUP - -#endif #endif /* CONFIG_ONENAND_IPL */ diff --git a/include/asm-arm/arch-arm1136/bits.h b/include/asm-arm/arch-omap24xx/bits.h similarity index 100% rename from include/asm-arm/arch-arm1136/bits.h rename to include/asm-arm/arch-omap24xx/bits.h diff --git a/include/asm-arm/arch-arm1136/clocks.h b/include/asm-arm/arch-omap24xx/clocks.h similarity index 100% rename from include/asm-arm/arch-arm1136/clocks.h rename to include/asm-arm/arch-omap24xx/clocks.h diff --git a/include/asm-arm/arch-arm1136/i2c.h b/include/asm-arm/arch-omap24xx/i2c.h similarity index 100% rename from include/asm-arm/arch-arm1136/i2c.h rename to include/asm-arm/arch-omap24xx/i2c.h diff --git a/include/asm-arm/arch-arm1136/mem.h b/include/asm-arm/arch-omap24xx/mem.h similarity index 100% rename from include/asm-arm/arch-arm1136/mem.h rename to include/asm-arm/arch-omap24xx/mem.h diff --git a/include/asm-arm/arch-arm1136/mux.h b/include/asm-arm/arch-omap24xx/mux.h similarity index 100% rename from include/asm-arm/arch-arm1136/mux.h rename to include/asm-arm/arch-omap24xx/mux.h diff --git a/include/asm-arm/arch-arm1136/omap2420.h b/include/asm-arm/arch-omap24xx/omap2420.h similarity index 100% rename from include/asm-arm/arch-arm1136/omap2420.h rename to include/asm-arm/arch-omap24xx/omap2420.h diff --git a/include/asm-arm/arch-arm1136/sizes.h b/include/asm-arm/arch-omap24xx/sizes.h similarity index 100% rename from include/asm-arm/arch-arm1136/sizes.h rename to include/asm-arm/arch-omap24xx/sizes.h diff --git a/include/asm-arm/arch-arm1136/sys_info.h b/include/asm-arm/arch-omap24xx/sys_info.h similarity index 100% rename from include/asm-arm/arch-arm1136/sys_info.h rename to include/asm-arm/arch-omap24xx/sys_info.h diff --git a/include/asm-arm/arch-arm1136/sys_proto.h b/include/asm-arm/arch-omap24xx/sys_proto.h similarity index 100% rename from include/asm-arm/arch-arm1136/sys_proto.h rename to include/asm-arm/arch-omap24xx/sys_proto.h