arm: Move cpu/$CPU to arch/arm/cpu/$CPU

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>

12 files changed, 0 insertions, 1282 deletions

diff --git a/cpu/arm1136/Makefile b/cpu/arm1136/Makefile
deleted file mode 100644
index 7701b03..0000000
--- a/cpu/arm1136/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	= $(obj)lib$(CPU).a
-
-START	= start.o
-COBJS	= cpu.o
-
-SRCS	:= $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS	:= $(addprefix $(obj),$(COBJS) $(SOBJS))
-START	:= $(addprefix $(obj),$(START))
-
-all:	$(obj).depend $(START) $(LIB)
-
-$(LIB):	$(OBJS)
-	$(AR) $(ARFLAGS) $@ $(OBJS)
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
diff --git a/cpu/arm1136/config.mk b/cpu/arm1136/config.mk
deleted file mode 100644
index 3e68535..0000000
--- a/cpu/arm1136/config.mk
+++ /dev/null
@@ -1,32 +0,0 @@
-#
-# (C) Copyright 2002
-# Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
-#
-# See file CREDITS for list of people who contributed to this
-# project.
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
-# MA 02111-1307 USA
-#
-PLATFORM_RELFLAGS += -fno-common -ffixed-r8 -msoft-float
-
-# Make ARMv5 to allow more compilers to work, even though its v6.
-PLATFORM_CPPFLAGS += -march=armv5
-# =========================================================================
-#
-# Supply options according to compiler version
-#
-# =========================================================================
-PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,))
diff --git a/cpu/arm1136/cpu.c b/cpu/arm1136/cpu.c
deleted file mode 100644
index ade7f46..0000000
--- a/cpu/arm1136/cpu.c
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
- * (C) Copyright 2004 Texas Insturments
- *
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
- *
- * (C) Copyright 2002
- * Gary Jennejohn, DENX Software Engineering, <garyj@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
- */
-
-/*
- * CPU specific code
- */
-
-#include <common.h>
-#include <command.h>
-#include <asm/system.h>
-
-static void cache_flush(void);
-
-int cleanup_before_linux (void)
-{
-	/*
-	 * this function is called just before we call linux
-	 * it prepares the processor for linux
-	 *
-	 * we turn off caches etc ...
-	 */
-
-	disable_interrupts ();
-
-#ifdef CONFIG_LCD
-	{
-		extern void lcd_disable(void);
-		extern void lcd_panel_disable(void);
-
-		lcd_disable(); /* proper disable of lcd & panel */
-		lcd_panel_disable();
-	}
-#endif
-
-	/* turn off I/D-cache */
-	icache_disable();
-	dcache_disable();
-	/* flush I/D-cache */
-	cache_flush();
-
-	return 0;
-}
-
-static void cache_flush(void)
-{
-	unsigned long i = 0;
-
-	asm ("mcr p15, 0, %0, c7, c7, 0": :"r" (i));  /* invalidate both caches and flush btb */
-	asm ("mcr p15, 0, %0, c7, c10, 4": :"r" (i)); /* mem barrier to sync things */
-}
diff --git a/cpu/arm1136/mx31/Makefile b/cpu/arm1136/mx31/Makefile
deleted file mode 100644
index c8e18f7..0000000
--- a/cpu/arm1136/mx31/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
-
-COBJS	+= generic.o
-COBJS	+= timer.o
-COBJS	+= devices.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/mx31/devices.c b/cpu/arm1136/mx31/devices.c
deleted file mode 100644
index 1f4ca7e..0000000
--- a/cpu/arm1136/mx31/devices.c
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- *
- * (C) Copyright 2009 Magnus Lilja <lilja.magnus@gmail.com>
- *
- * (c) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.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/mx31-regs.h>
-#include <asm/arch/mx31.h>
-
-#ifdef CONFIG_SYS_MX31_UART1
-void mx31_uart1_hw_init(void)
-{
-	/* setup pins for UART1 */
-	mx31_gpio_mux(MUX_RXD1__UART1_RXD_MUX);
-	mx31_gpio_mux(MUX_TXD1__UART1_TXD_MUX);
-	mx31_gpio_mux(MUX_RTS1__UART1_RTS_B);
-	mx31_gpio_mux(MUX_CTS1__UART1_CTS_B);
-}
-#endif
-
-#ifdef CONFIG_MXC_SPI
-void mx31_spi2_hw_init(void)
-{
-	/* SPI2 */
-	mx31_gpio_mux(MUX_CSPI2_SS2__CSPI2_SS2_B);
-	mx31_gpio_mux(MUX_CSPI2_SCLK__CSPI2_CLK);
-	mx31_gpio_mux(MUX_CSPI2_SPI_RDY__CSPI2_DATAREADY_B);
-	mx31_gpio_mux(MUX_CSPI2_MOSI__CSPI2_MOSI);
-	mx31_gpio_mux(MUX_CSPI2_MISO__CSPI2_MISO);
-	mx31_gpio_mux(MUX_CSPI2_SS0__CSPI2_SS0_B);
-	mx31_gpio_mux(MUX_CSPI2_SS1__CSPI2_SS1_B);
-
-	/* start SPI2 clock */
-	__REG(CCM_CGR2) = __REG(CCM_CGR2) | (3 << 4);
-}
-#endif
diff --git a/cpu/arm1136/mx31/generic.c b/cpu/arm1136/mx31/generic.c
deleted file mode 100644
index 1415d6c..0000000
--- a/cpu/arm1136/mx31/generic.c
+++ /dev/null
@@ -1,100 +0,0 @@
-/*
- * (C) Copyright 2007
- * Sascha Hauer, Pengutronix
- *
- * 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/mx31-regs.h>
-
-static u32 mx31_decode_pll(u32 reg, u32 infreq)
-{
-	u32 mfi = (reg >> 10) & 0xf;
-	u32 mfn = reg & 0x3ff;
-	u32 mfd = (reg >> 16) & 0x3ff;
-	u32 pd =  (reg >> 26) & 0xf;
-
-	mfi = mfi <= 5 ? 5 : mfi;
-	mfd += 1;
-	pd += 1;
-
-	return ((2 * (infreq >> 10) * (mfi * mfd + mfn)) /
-		(mfd * pd)) << 10;
-}
-
-static u32 mx31_get_mpl_dpdgck_clk(void)
-{
-	u32 infreq;
-
-	if ((__REG(CCM_CCMR) & CCMR_PRCS_MASK) == CCMR_FPM)
-		infreq = CONFIG_MX31_CLK32 * 1024;
-	else
-		infreq = CONFIG_MX31_HCLK_FREQ;
-
-	return mx31_decode_pll(__REG(CCM_MPCTL), infreq);
-}
-
-static u32 mx31_get_mcu_main_clk(void)
-{
-	/* For now we assume mpl_dpdgck_clk == mcu_main_clk
-	 * which should be correct for most boards
-	 */
-	return mx31_get_mpl_dpdgck_clk();
-}
-
-u32 mx31_get_ipg_clk(void)
-{
-	u32 freq = mx31_get_mcu_main_clk();
-	u32 pdr0 = __REG(CCM_PDR0);
-
-	freq /= ((pdr0 >> 3) & 0x7) + 1;
-	freq /= ((pdr0 >> 6) & 0x3) + 1;
-
-	return freq;
-}
-
-void mx31_dump_clocks(void)
-{
-	u32 cpufreq = mx31_get_mcu_main_clk();
-	printf("mx31 cpu clock: %dMHz\n",cpufreq / 1000000);
-	printf("ipg clock     : %dHz\n", mx31_get_ipg_clk());
-}
-
-void mx31_gpio_mux(unsigned long mode)
-{
-	unsigned long reg, shift, tmp;
-
-	reg = IOMUXC_BASE + (mode & 0x1fc);
-	shift = (~mode & 0x3) * 8;
-
-	tmp = __REG(reg);
-	tmp &= ~(0xff << shift);
-	tmp |= ((mode >> IOMUX_MODE_POS) & 0xff) << shift;
-	__REG(reg) = tmp;
-}
-
-#if defined(CONFIG_DISPLAY_CPUINFO)
-int print_cpuinfo (void)
-{
-	printf("CPU:   Freescale i.MX31 at %d MHz\n",
-		mx31_get_mcu_main_clk() / 1000000);
-	return 0;
-}
-#endif
diff --git a/cpu/arm1136/mx31/timer.c b/cpu/arm1136/mx31/timer.c
deleted file mode 100644
index 7972ba0..0000000
--- a/cpu/arm1136/mx31/timer.c
+++ /dev/null
@@ -1,170 +0,0 @@
-/*
- * (C) Copyright 2007
- * Sascha Hauer, Pengutronix
- *
- * 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/mx31-regs.h>
-#include <div64.h>
-
-#define TIMER_BASE 0x53f90000 /* General purpose timer 1 */
-
-/* General purpose timers registers */
-#define GPTCR	__REG(TIMER_BASE)		/* Control register	*/
-#define GPTPR	__REG(TIMER_BASE + 0x4)		/* Prescaler register	*/
-#define GPTSR	__REG(TIMER_BASE + 0x8)		/* Status register	*/
-#define GPTCNT	__REG(TIMER_BASE + 0x24)	/* Counter register	*/
-
-/* General purpose timers bitfields */
-#define GPTCR_SWR		(1 << 15)	/* Software reset	*/
-#define GPTCR_FRR		(1 << 9)	/* Freerun / restart	*/
-#define GPTCR_CLKSOURCE_32	(4 << 6)	/* Clock source		*/
-#define GPTCR_TEN		1		/* Timer enable		*/
-
-static ulong timestamp;
-static ulong lastinc;
-
-/* "time" is measured in 1 / CONFIG_SYS_HZ seconds, "tick" is internal timer period */
-#ifdef CONFIG_MX31_TIMER_HIGH_PRECISION
-/* ~0.4% error - measured with stop-watch on 100s boot-delay */
-static inline unsigned long long tick_to_time(unsigned long long tick)
-{
-	tick *= CONFIG_SYS_HZ;
-	do_div(tick, CONFIG_MX31_CLK32);
-	return tick;
-}
-
-static inline unsigned long long time_to_tick(unsigned long long time)
-{
-	time *= CONFIG_MX31_CLK32;
-	do_div(time, CONFIG_SYS_HZ);
-	return time;
-}
-
-static inline unsigned long long us_to_tick(unsigned long long us)
-{
-	us = us * CONFIG_MX31_CLK32 + 999999;
-	do_div(us, 1000000);
-	return us;
-}
-#else
-/* ~2% error */
-#define TICK_PER_TIME	((CONFIG_MX31_CLK32 + CONFIG_SYS_HZ / 2) / CONFIG_SYS_HZ)
-#define US_PER_TICK	(1000000 / CONFIG_MX31_CLK32)
-
-static inline unsigned long long tick_to_time(unsigned long long tick)
-{
-	do_div(tick, TICK_PER_TIME);
-	return tick;
-}
-
-static inline unsigned long long time_to_tick(unsigned long long time)
-{
-	return time * TICK_PER_TIME;
-}
-
-static inline unsigned long long us_to_tick(unsigned long long us)
-{
-	us += US_PER_TICK - 1;
-	do_div(us, US_PER_TICK);
-	return us;
-}
-#endif
-
-/* The 32768Hz 32-bit timer overruns in 131072 seconds */
-int timer_init (void)
-{
-	int i;
-
-	/* setup GP Timer 1 */
-	GPTCR = GPTCR_SWR;
-	for (i = 0; i < 100; i++)
-		GPTCR = 0; /* We have no udelay by now */
-	GPTPR = 0; /* 32Khz */
-	/* Freerun Mode, PERCLK1 input */
-	GPTCR |= GPTCR_CLKSOURCE_32 | GPTCR_TEN;
-
-	return 0;
-}
-
-void reset_timer_masked (void)
-{
-	/* reset time */
-	lastinc = GPTCNT; /* capture current incrementer value time */
-	timestamp = 0; /* start "advancing" time stamp from 0 */
-}
-
-void reset_timer(void)
-{
-	reset_timer_masked();
-}
-
-unsigned long long get_ticks (void)
-{
-	ulong now = GPTCNT; /* current tick value */
-
-	if (now >= lastinc)	/* normal mode (non roll) */
-		/* move stamp forward with absolut diff ticks */
-		timestamp += (now - lastinc);
-	else			/* we have rollover of incrementer */
-		timestamp += (0xFFFFFFFF - lastinc) + now;
-	lastinc = now;
-	return timestamp;
-}
-
-ulong get_timer_masked (void)
-{
-	/*
-	 * get_ticks() returns a long long (64 bit), it wraps in
-	 * 2^64 / CONFIG_MX31_CLK32 = 2^64 / 2^15 = 2^49 ~ 5 * 10^14 (s) ~
-	 * 5 * 10^9 days... and get_ticks() * CONFIG_SYS_HZ wraps in
-	 * 5 * 10^6 days - long enough.
-	 */
-	return tick_to_time(get_ticks());
-}
-
-ulong get_timer (ulong base)
-{
-	return get_timer_masked () - base;
-}
-
-void set_timer (ulong t)
-{
-	timestamp = time_to_tick(t);
-}
-
-/* delay x useconds AND perserve advance timstamp value */
-void __udelay (unsigned long usec)
-{
-	unsigned long long tmp;
-	ulong tmo;
-
-	tmo = us_to_tick(usec);
-	tmp = get_ticks() + tmo;	/* get current timestamp */
-
-	while (get_ticks() < tmp)	/* loop till event */
-		 /*NOP*/;
-}
-
-void reset_cpu (ulong addr)
-{
-	__REG16(WDOG_BASE) = 4;
-}
diff --git a/cpu/arm1136/omap24xx/Makefile b/cpu/arm1136/omap24xx/Makefile
deleted file mode 100644
index 48dc7e3..0000000
--- a/cpu/arm1136/omap24xx/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
-
-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/reset.S b/cpu/arm1136/omap24xx/reset.S
deleted file mode 100644
index 5f8343f..0000000
--- a/cpu/arm1136/omap24xx/reset.S
+++ /dev/null
@@ -1,42 +0,0 @@
-/*
- *  armboot - Startup Code for OMP2420/ARM1136 CPU-core
- *
- *  Copyright (c) 2004	Texas Instruments <r-woodruff2@ti.com>
- *
- *  Copyright (c) 2001	Marius Gröger <mag@sysgo.de>
- *  Copyright (c) 2002	Alex Züpke <azu@sysgo.de>
- *  Copyright (c) 2002	Gary Jennejohn <garyj@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/omap24xx/timer.c b/cpu/arm1136/omap24xx/timer.c
deleted file mode 100644
index 6754749..0000000
--- a/cpu/arm1136/omap24xx/timer.c
+++ /dev/null
@@ -1,158 +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, <garyj@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 *)(CONFIG_SYS_TIMERBASE+TCRR)))
-
-static ulong timestamp;
-static ulong lastinc;
-
-int timer_init (void)
-{
-	int32_t val;
-
-	/* Start the counter ticking up */
-	*((int32_t *) (CONFIG_SYS_TIMERBASE + TLDR)) = TIMER_LOAD_VAL;	/* reload value on overflow*/
-	val = (CONFIG_SYS_PTV << 2) | BIT5 | BIT1 | BIT0;		/* mask to enable timer*/
-	*((int32_t *) (CONFIG_SYS_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 *= CONFIG_SYS_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 * CONFIG_SYS_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 *= CONFIG_SYS_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 * CONFIG_SYS_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 = CONFIG_SYS_HZ;
-	return tbclk;
-}
diff --git a/cpu/arm1136/start.S b/cpu/arm1136/start.S
deleted file mode 100644
index 957f438..0000000
--- a/cpu/arm1136/start.S
+++ /dev/null
@@ -1,443 +0,0 @@
-/*
- *  armboot - Startup Code for OMP2420/ARM1136 CPU-core
- *
- *  Copyright (c) 2004	Texas Instruments <r-woodruff2@ti.com>
- *
- *  Copyright (c) 2001	Marius Gröger <mag@sysgo.de>
- *  Copyright (c) 2002	Alex Züpke <azu@sysgo.de>
- *  Copyright (c) 2002	Gary Jennejohn <garyj@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 <config.h>
-#include <version.h>
-.globl _start
-_start: b	reset
-#ifdef CONFIG_PRELOADER
-	ldr	pc, _hang
-	ldr	pc, _hang
-	ldr	pc, _hang
-	ldr	pc, _hang
-	ldr	pc, _hang
-	ldr	pc, _hang
-	ldr	pc, _hang
-
-_hang:
-	.word	do_hang
-	.word	0x12345678
-	.word	0x12345678
-	.word	0x12345678
-	.word	0x12345678
-	.word	0x12345678
-	.word	0x12345678
-	.word	0x12345678	/* now 16*4=64 */
-#else
-	ldr	pc, _undefined_instruction
-	ldr	pc, _software_interrupt
-	ldr	pc, _prefetch_abort
-	ldr	pc, _data_abort
-	ldr	pc, _not_used
-	ldr	pc, _irq
-	ldr	pc, _fiq
-
-_undefined_instruction: .word undefined_instruction
-_software_interrupt:	.word software_interrupt
-_prefetch_abort:	.word prefetch_abort
-_data_abort:		.word data_abort
-_not_used:		.word not_used
-_irq:			.word irq
-_fiq:			.word fiq
-_pad:			.word 0x12345678 /* now 16*4=64 */
-#endif	/* CONFIG_PRELOADER */
-.global _end_vect
-_end_vect:
-
-	.balignl 16,0xdeadbeef
-/*
- *************************************************************************
- *
- * Startup Code (reset vector)
- *
- * do important init only if we don't start from memory!
- * setup Memory and board specific bits prior to relocation.
- * relocate armboot to ram
- * setup stack
- *
- *************************************************************************
- */
-
-_TEXT_BASE:
-	.word	TEXT_BASE
-
-.globl _armboot_start
-_armboot_start:
-	.word _start
-
-/*
- * These are defined in the board-specific linker script.
- */
-.globl _bss_start
-_bss_start:
-	.word __bss_start
-
-.globl _bss_end
-_bss_end:
-	.word _end
-
-#ifdef CONFIG_USE_IRQ
-/* IRQ stack memory (calculated at run-time) */
-.globl IRQ_STACK_START
-IRQ_STACK_START:
-	.word	0x0badc0de
-
-/* IRQ stack memory (calculated at run-time) */
-.globl FIQ_STACK_START
-FIQ_STACK_START:
-	.word 0x0badc0de
-#endif
-
-/*
- * the actual reset code
- */
-
-reset:
-	/*
-	 * set the cpu to SVC32 mode
-	 */
-	mrs	r0,cpsr
-	bic	r0,r0,#0x1f
-	orr	r0,r0,#0xd3
-	msr	cpsr,r0
-
-#ifdef CONFIG_OMAP2420H4
-       /* Copy vectors to mask ROM indirect addr */
-	adr	r0, _start		/* r0 <- current position of code   */
-		add     r0, r0, #4				/* skip reset vector			*/
-	mov	r2, #64			/* r2 <- size to copy  */
-	add	r2, r0, r2		/* r2 <- source end address	    */
-	mov	r1, #SRAM_OFFSET0	  /* build vect addr */
-	mov	r3, #SRAM_OFFSET1
-	add	r1, r1, r3
-	mov	r3, #SRAM_OFFSET2
-	add	r1, r1, r3
-next:
-	ldmia	r0!, {r3-r10}		/* copy from source address [r0]    */
-	stmia	r1!, {r3-r10}		/* copy to   target address [r1]    */
-	cmp	r0, r2			/* until source end address [r2]    */
-	bne	next			/* loop until equal */
-	bl	cpy_clk_code		/* put dpll adjust code behind vectors */
-#endif
-	/* the mask ROM code should have PLL and others stable */
-#ifndef CONFIG_SKIP_LOWLEVEL_INIT
-	bl  cpu_init_crit
-#endif
-
-#ifndef CONFIG_SKIP_RELOCATE_UBOOT
-relocate:				/* relocate U-Boot to RAM	    */
-	adr	r0, _start		/* r0 <- current position of code   */
-	ldr	r1, _TEXT_BASE		/* test if we run from flash or RAM */
-	cmp	r0, r1			/* don't reloc during debug	    */
-#ifndef CONFIG_PRELOADER
-	beq	stack_setup
-#endif	/* CONFIG_PRELOADER */
-
-	ldr	r2, _armboot_start
-	ldr	r3, _bss_start
-	sub	r2, r3, r2		/* r2 <- size of armboot	    */
-	add	r2, r0, r2		/* r2 <- source end address	    */
-
-copy_loop:
-	ldmia	r0!, {r3-r10}		/* copy from source address [r0]    */
-	stmia	r1!, {r3-r10}		/* copy to   target address [r1]    */
-	cmp	r0, r2			/* until source end addreee [r2]    */
-	ble	copy_loop
-#endif	/* CONFIG_SKIP_RELOCATE_UBOOT */
-
-	/* Set up the stack						    */
-stack_setup:
-	ldr	r0, _TEXT_BASE		/* upper 128 KiB: relocated uboot   */
-#ifdef CONFIG_PRELOADER
-	sub	sp, r0, #128		/* leave 32 words for abort-stack   */
-#else
-	sub	r0, r0, #CONFIG_SYS_MALLOC_LEN /* malloc area			    */
-	sub	r0, r0, #CONFIG_SYS_GBL_DATA_SIZE /* bdinfo			    */
-#ifdef CONFIG_USE_IRQ
-	sub	r0, r0, #(CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ)
-#endif
-	sub	sp, r0, #12		/* leave 3 words for abort-stack    */
-#endif	/* CONFIG_PRELOADER */
-
-clear_bss:
-	ldr	r0, _bss_start		/* find start of bss segment	    */
-	ldr	r1, _bss_end		/* stop here			    */
-	mov	r2, #0x00000000		/* clear			    */
-
-#ifndef CONFIG_PRELOADER
-clbss_l:str	r2, [r0]		/* clear loop...		    */
-	add	r0, r0, #4
-	cmp	r0, r1
-	bne	clbss_l
-#endif
-
-	ldr	pc, _start_armboot
-
-#ifdef CONFIG_NAND_SPL
-_start_armboot: .word nand_boot
-#else
-#ifdef CONFIG_ONENAND_IPL
-_start_armboot: .word start_oneboot
-#else
-_start_armboot: .word start_armboot
-#endif /* CONFIG_ONENAND_IPL */
-#endif /* CONFIG_NAND_SPL */
-
-/*
- *************************************************************************
- *
- * CPU_init_critical registers
- *
- * setup important registers
- * setup memory timing
- *
- *************************************************************************
- */
-#ifndef CONFIG_SKIP_LOWLEVEL_INIT
-cpu_init_crit:
-	/*
-	 * flush v4 I/D caches
-	 */
-	mov	r0, #0
-	mcr	p15, 0, r0, c7, c7, 0	/* flush v3/v4 cache */
-	mcr	p15, 0, r0, c8, c7, 0	/* flush v4 TLB */
-
-	/*
-	 * disable MMU stuff and caches
-	 */
-	mrc	p15, 0, r0, c1, c0, 0
-	bic	r0, r0, #0x00002300	@ clear bits 13, 9:8 (--V- --RS)
-	bic	r0, r0, #0x00000087	@ clear bits 7, 2:0 (B--- -CAM)
-	orr	r0, r0, #0x00000002	@ set bit 2 (A) Align
-	orr	r0, r0, #0x00001000	@ set bit 12 (I) I-Cache
-	mcr	p15, 0, r0, c1, c0, 0
-
-	/*
-	 * Jump to board specific initialization... The Mask ROM will have already initialized
-	 * basic memory.  Go here to bump up clock rate and handle wake up conditions.
-	 */
-	mov	ip, lr		/* persevere link reg across call */
-	bl	lowlevel_init	/* go setup pll,mux,memory */
-	mov	lr, ip		/* restore link */
-	mov	pc, lr		/* back to my caller */
-#endif /* CONFIG_SKIP_LOWLEVEL_INIT */
-
-#ifndef CONFIG_PRELOADER
-/*
- *************************************************************************
- *
- * Interrupt handling
- *
- *************************************************************************
- */
-@
-@ IRQ stack frame.
-@
-#define S_FRAME_SIZE	72
-
-#define S_OLD_R0	68
-#define S_PSR		64
-#define S_PC		60
-#define S_LR		56
-#define S_SP		52
-
-#define S_IP		48
-#define S_FP		44
-#define S_R10		40
-#define S_R9		36
-#define S_R8		32
-#define S_R7		28
-#define S_R6		24
-#define S_R5		20
-#define S_R4		16
-#define S_R3		12
-#define S_R2		8
-#define S_R1		4
-#define S_R0		0
-
-#define MODE_SVC 0x13
-#define I_BIT	 0x80
-
-/*
- * use bad_save_user_regs for abort/prefetch/undef/swi ...
- * use irq_save_user_regs / irq_restore_user_regs for IRQ/FIQ handling
- */
-
-	.macro	bad_save_user_regs
-	sub	sp, sp, #S_FRAME_SIZE		@ carve out a frame on current user stack
-	stmia	sp, {r0 - r12}			@ Save user registers (now in svc mode) r0-r12
-
-	ldr	r2, _armboot_start
-	sub	r2, r2, #(CONFIG_SYS_MALLOC_LEN)
-	sub	r2, r2, #(CONFIG_SYS_GBL_DATA_SIZE+8)	@ set base 2 words into abort stack
-	ldmia	r2, {r2 - r3}			@ get values for "aborted" pc and cpsr (into parm regs)
-	add	r0, sp, #S_FRAME_SIZE		@ grab pointer to old stack
-
-	add	r5, sp, #S_SP
-	mov	r1, lr
-	stmia	r5, {r0 - r3}			@ save sp_SVC, lr_SVC, pc, cpsr
-	mov	r0, sp				@ save current stack into r0 (param register)
-	.endm
-
-	.macro	irq_save_user_regs
-	sub	sp, sp, #S_FRAME_SIZE
-	stmia	sp, {r0 - r12}			@ Calling r0-r12
-	add	r8, sp, #S_PC			@ !!!! R8 NEEDS to be saved !!!! a reserved stack spot would be good.
-	stmdb	r8, {sp, lr}^			@ Calling SP, LR
-	str	lr, [r8, #0]			@ Save calling PC
-	mrs	r6, spsr
-	str	r6, [r8, #4]			@ Save CPSR
-	str	r0, [r8, #8]			@ Save OLD_R0
-	mov	r0, sp
-	.endm
-
-	.macro	irq_restore_user_regs
-	ldmia	sp, {r0 - lr}^			@ Calling r0 - lr
-	mov	r0, r0
-	ldr	lr, [sp, #S_PC]			@ Get PC
-	add	sp, sp, #S_FRAME_SIZE
-	subs	pc, lr, #4			@ return & move spsr_svc into cpsr
-	.endm
-
-	.macro get_bad_stack
-	ldr	r13, _armboot_start		@ setup our mode stack (enter in banked mode)
-	sub	r13, r13, #(CONFIG_SYS_MALLOC_LEN)	@ move past malloc pool
-	sub	r13, r13, #(CONFIG_SYS_GBL_DATA_SIZE+8) @ move to reserved a couple spots for abort stack
-
-	str	lr, [r13]			@ save caller lr in position 0 of saved stack
-	mrs	lr, spsr			@ get the spsr
-	str	lr, [r13, #4]			@ save spsr in position 1 of saved stack
-
-	mov	r13, #MODE_SVC			@ prepare SVC-Mode
-	@ msr	spsr_c, r13
-	msr	spsr, r13			@ switch modes, make sure moves will execute
-	mov	lr, pc				@ capture return pc
-	movs	pc, lr				@ jump to next instruction & switch modes.
-	.endm
-
-	.macro get_bad_stack_swi
-	sub	r13, r13, #4			@ space on current stack for scratch reg.
-	str	r0, [r13]			@ save R0's value.
-	ldr	r0, _armboot_start		@ get data regions start
-	sub	r0, r0, #(CONFIG_SYS_MALLOC_LEN)	@ move past malloc pool
-	sub	r0, r0, #(CONFIG_SYS_GBL_DATA_SIZE+8)	@ move past gbl and a couple spots for abort stack
-	str	lr, [r0]			@ save caller lr in position 0 of saved stack
-	mrs	r0, spsr			@ get the spsr
-	str	lr, [r0, #4]			@ save spsr in position 1 of saved stack
-	ldr	r0, [r13]			@ restore r0
-	add	r13, r13, #4			@ pop stack entry
-	.endm
-
-	.macro get_irq_stack			@ setup IRQ stack
-	ldr	sp, IRQ_STACK_START
-	.endm
-
-	.macro get_fiq_stack			@ setup FIQ stack
-	ldr	sp, FIQ_STACK_START
-	.endm
-#endif	/* CONFIG_PRELOADER */
-
-/*
- * exception handlers
- */
-#ifdef CONFIG_PRELOADER
-	.align	5
-do_hang:
-	ldr	sp, _TEXT_BASE			/* use 32 words about stack */
-	bl	hang				/* hang and never return */
-#else	/* !CONFIG_PRELOADER */
-	.align	5
-undefined_instruction:
-	get_bad_stack
-	bad_save_user_regs
-	bl	do_undefined_instruction
-
-	.align	5
-software_interrupt:
-	get_bad_stack_swi
-	bad_save_user_regs
-	bl	do_software_interrupt
-
-	.align	5
-prefetch_abort:
-	get_bad_stack
-	bad_save_user_regs
-	bl	do_prefetch_abort
-
-	.align	5
-data_abort:
-	get_bad_stack
-	bad_save_user_regs
-	bl	do_data_abort
-
-	.align	5
-not_used:
-	get_bad_stack
-	bad_save_user_regs
-	bl	do_not_used
-
-#ifdef CONFIG_USE_IRQ
-
-	.align	5
-irq:
-	get_irq_stack
-	irq_save_user_regs
-	bl	do_irq
-	irq_restore_user_regs
-
-	.align	5
-fiq:
-	get_fiq_stack
-	/* someone ought to write a more effiction fiq_save_user_regs */
-	irq_save_user_regs
-	bl	do_fiq
-	irq_restore_user_regs
-
-#else
-
-	.align	5
-irq:
-	get_bad_stack
-	bad_save_user_regs
-	bl	do_irq
-
-	.align	5
-fiq:
-	get_bad_stack
-	bad_save_user_regs
-	bl	do_fiq
-
-#endif
-	.align 5
-.global arm1136_cache_flush
-arm1136_cache_flush:
-		mcr	p15, 0, r1, c7, c5, 0	@ invalidate I cache
-		mov	pc, lr			@ back to caller
-#endif	/* CONFIG_PRELOADER */
diff --git a/cpu/arm1136/u-boot.lds b/cpu/arm1136/u-boot.lds
deleted file mode 100644
index 7181a56..0000000
--- a/cpu/arm1136/u-boot.lds
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
- * (C) Copyright 2009
- * Ilya Yanok, Emcraft Systems Ltd, <yanok@emcraft.com>
- *
- * Copyright (C) 2005-2007 Samsung Electronics
- * Kyungin Park <kyugnmin.park@samsung.com>
- *
- * Copyright (c) 2004 Texas Instruments
- *
- * (C) Copyright 2002
- * Gary Jennejohn, DENX Software Engineering, <garyj@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
- */
-
-OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
-OUTPUT_ARCH(arm)
-ENTRY(_start)
-SECTIONS
-{
-	. = 0x00000000;
-
-	. = ALIGN(4);
-	.text :
-	{
-		cpu/arm1136/start.o	(.text)
-		*(.text)
-	}
-
-	. = ALIGN(4);
-	.rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) }
-
-	. = ALIGN(4);
-	.data : { *(.data) }
-
-	. = ALIGN(4);
-	.got : { *(.got) }
-
-	. = .;
-	__u_boot_cmd_start = .;
-	.u_boot_cmd : { *(.u_boot_cmd) }
-	__u_boot_cmd_end = .;
-
-	. = ALIGN(4);
-	__bss_start = .;
-	.bss (NOLOAD) : { *(.bss) . = ALIGN(4); }
-	_end = .;
-}