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

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

7 files changed, 0 insertions, 584 deletions

diff --git a/cpu/arm920t/ep93xx/Makefile b/cpu/arm920t/ep93xx/Makefile
deleted file mode 100644
index 01a2f5555a..0000000000
--- a/cpu/arm920t/ep93xx/Makefile
+++ /dev/null
@@ -1,55 +0,0 @@
-#
-# Cirrus Logic EP93xx CPU-specific Makefile
-#
-# Copyright (C) 2009 Matthias Kaehlcke <matthias@kaehlcke.net>
-#
-# Copyright (C) 2004, 2005
-# Cory T. Tusar, Videon Central, Inc., <ctusar@videon-central.com>
-#
-# Copyright (C) 2006
-# Dominic Rath <Dominic.Rath@gmx.de>
-#
-# Based on an original Makefile, which is
-#
-# (C) Copyright 2000, 2001, 2002
-# 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.,
-# 675 Mass Ave, Cambridge, MA 02139, USA.
-#
-include $(TOPDIR)/config.mk
-
-LIB = $(obj)lib$(SOC).a
-
-COBJS   = cpu.o led.o speed.o timer.o
-SOBJS   = lowlevel_init.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/ep93xx/cpu.c b/cpu/arm920t/ep93xx/cpu.c
deleted file mode 100644
index 1abb9c6faa..0000000000
--- a/cpu/arm920t/ep93xx/cpu.c
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * Cirrus Logic EP93xx CPU-specific support.
- *
- * Copyright (C) 2009 Matthias Kaehlcke <matthias@kaehlcke.net>
- *
- * Copyright (C) 2004, 2005
- * Cory T. Tusar, Videon Central, Inc., <ctusar@videon-central.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.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <common.h>
-#include <asm/arch/ep93xx.h>
-#include <asm/io.h>
-
-/* We reset the CPU by generating a 1-->0 transition on DeviceCfg bit 31. */
-extern void reset_cpu(ulong addr)
-{
-	struct syscon_regs *syscon = (struct syscon_regs *)SYSCON_BASE;
-	uint32_t value;
-
-	/* Unlock DeviceCfg and set SWRST */
-	writel(0xAA, &syscon->sysswlock);
-	value = readl(&syscon->devicecfg);
-	value |= SYSCON_DEVICECFG_SWRST;
-	writel(value, &syscon->devicecfg);
-
-	/* Unlock DeviceCfg and clear SWRST */
-	writel(0xAA, &syscon->sysswlock);
-	value = readl(&syscon->devicecfg);
-	value &= ~SYSCON_DEVICECFG_SWRST;
-	writel(value, &syscon->devicecfg);
-
-	/* Dying... */
-	while (1)
-		; /* noop */
-}
diff --git a/cpu/arm920t/ep93xx/led.c b/cpu/arm920t/ep93xx/led.c
deleted file mode 100644
index 7e2c897757..0000000000
--- a/cpu/arm920t/ep93xx/led.c
+++ /dev/null
@@ -1,101 +0,0 @@
-/*
- * Copyright (C) 2010, 2009 Matthias Kaehlcke <matthias@kaehlcke.net>
- *
- * 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/io.h>
-#include <asm/arch/ep93xx.h>
-#include <config.h>
-#include <status_led.h>
-
-static uint8_t saved_state[2] = {STATUS_LED_OFF, STATUS_LED_OFF};
-static uint32_t gpio_pin[2] = {1 << STATUS_LED_GREEN,
-			       1 << STATUS_LED_RED};
-
-inline void switch_LED_on(uint8_t led)
-{
-	register struct gpio_regs *gpio = (struct gpio_regs *)GPIO_BASE;
-
-	writel(readl(&gpio->pedr) | gpio_pin[led], &gpio->pedr);
-	saved_state[led] = STATUS_LED_ON;
-}
-
-inline void switch_LED_off(uint8_t led)
-{
-	register struct gpio_regs *gpio = (struct gpio_regs *)GPIO_BASE;
-
-	writel(readl(&gpio->pedr) & ~gpio_pin[led], &gpio->pedr);
-	saved_state[led] = STATUS_LED_OFF;
-}
-
-void red_LED_on(void)
-{
-	switch_LED_on(STATUS_LED_RED);
-}
-
-void red_LED_off(void)
-{
-	switch_LED_off(STATUS_LED_RED);
-}
-
-void green_LED_on(void)
-{
-	switch_LED_on(STATUS_LED_GREEN);
-}
-
-void green_LED_off(void)
-{
-	switch_LED_off(STATUS_LED_GREEN);
-}
-
-void __led_init(led_id_t mask, int state)
-{
-	__led_set(mask, state);
-}
-
-void __led_toggle(led_id_t mask)
-{
-	if (STATUS_LED_RED == mask) {
-		if (STATUS_LED_ON == saved_state[STATUS_LED_RED])
-			red_LED_off();
-		else
-			red_LED_on();
-	} else if (STATUS_LED_GREEN == mask) {
-		if (STATUS_LED_ON == saved_state[STATUS_LED_GREEN])
-			green_LED_off();
-		else
-			green_LED_on();
-	}
-}
-
-void __led_set(led_id_t mask, int state)
-{
-	if (STATUS_LED_RED == mask) {
-		if (STATUS_LED_ON == state)
-			red_LED_on();
-		else
-			red_LED_off();
-	} else if (STATUS_LED_GREEN == mask) {
-		if (STATUS_LED_ON == state)
-			green_LED_on();
-		else
-			green_LED_off();
-	}
-}
diff --git a/cpu/arm920t/ep93xx/lowlevel_init.S b/cpu/arm920t/ep93xx/lowlevel_init.S
deleted file mode 100644
index a20ec894be..0000000000
--- a/cpu/arm920t/ep93xx/lowlevel_init.S
+++ /dev/null
@@ -1,65 +0,0 @@
-/*
- * Low-level initialization for EP93xx
- *
- * Copyright (C) 2009 Matthias Kaehlcke <matthias@kaehlcke.net>
- *
- * Copyright (C) 2006 Dominic Rath <Dominic.Rath@gmx.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 <version.h>
-#include <asm/arch/ep93xx.h>
-
-.globl lowlevel_init
-lowlevel_init:
-	/* backup return address */
-	ldr r1, =SYSCON_SCRATCH0
-	str lr, [r1]
-
-	/* Turn on both LEDs */
-	bl red_LED_on
-	bl green_LED_on
-
-	/* Configure flash wait states before we switch to the PLL */
-	bl flash_cfg
-
-	/* Set up PLL */
-	bl pll_cfg
-
-	/* Turn off the Green LED and leave the Red LED on */
-	bl green_LED_off
-
-	/* Setup SDRAM */
-	bl sdram_cfg
-
-	/* Turn on Green LED, Turn off the Red LED */
-	bl green_LED_on
-	bl red_LED_off
-
-	/* FIXME: we use async mode for now */
-	mrc p15, 0, r0, c1, c0, 0
-	orr r0, r0, #0xc0000000
-	mcr p15, 0, r0, c1, c0, 0
-
-	/* restore return address */
-	ldr r1, =SYSCON_SCRATCH0
-	ldr lr, [r1]
-
-	mov pc, lr
diff --git a/cpu/arm920t/ep93xx/speed.c b/cpu/arm920t/ep93xx/speed.c
deleted file mode 100644
index c83a3bb91d..0000000000
--- a/cpu/arm920t/ep93xx/speed.c
+++ /dev/null
@@ -1,110 +0,0 @@
-/*
- * Cirrus Logic EP93xx PLL support.
- *
- * Copyright (C) 2009 Matthias Kaehlcke <matthias@kaehlcke.net>
- *
- * 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.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <common.h>
-#include <asm/arch/ep93xx.h>
-#include <asm/io.h>
-#include <div64.h>
-
-/*
- * CONFIG_SYS_CLK_FREQ should be defined as the input frequency of the PLL.
- *
- * get_FCLK(), get_HCLK(), get_PCLK() and get_UCLK() return the clock of
- * the specified bus in HZ.
- */
-
-/*
- * return the PLL output frequency
- *
- * PLL rate = CONFIG_SYS_CLK_FREQ * (X1FBD + 1) * (X2FBD + 1)
- * / (X2IPD + 1) / 2^PS
- */
-static ulong get_PLLCLK(uint32_t *pllreg)
-{
-	uint8_t i;
-	const uint32_t clkset = readl(pllreg);
-	uint64_t rate = CONFIG_SYS_CLK_FREQ;
-	rate *= ((clkset >> SYSCON_CLKSET_PLL_X1FBD1_SHIFT) & 0x1f) + 1;
-	rate *= ((clkset >> SYSCON_CLKSET_PLL_X2FBD2_SHIFT) & 0x3f) + 1;
-	do_div(rate, (clkset  & 0x1f) + 1);			/* X2IPD */
-	for (i = 0; i < ((clkset >> SYSCON_CLKSET_PLL_PS_SHIFT) & 3); i++)
-		rate >>= 1;
-
-	return (ulong)rate;
-}
-
-/* return FCLK frequency */
-ulong get_FCLK()
-{
-	const uint8_t fclk_divisors[] = { 1, 2, 4, 8, 16, 1, 1, 1 };
-	struct syscon_regs *syscon = (struct syscon_regs *)SYSCON_BASE;
-
-	const uint32_t clkset1 = readl(&syscon->clkset1);
-	const uint8_t fclk_div =
-		fclk_divisors[(clkset1 >> SYSCON_CLKSET1_FCLK_DIV_SHIFT) & 7];
-	const ulong fclk_rate = get_PLLCLK(&syscon->clkset1) / fclk_div;
-
-	return fclk_rate;
-}
-
-/* return HCLK frequency */
-ulong get_HCLK(void)
-{
-	const uint8_t hclk_divisors[] = { 1, 2, 4, 5, 6, 8, 16, 32 };
-	struct syscon_regs *syscon = (struct syscon_regs *)SYSCON_BASE;
-
-	const uint32_t clkset1 = readl(&syscon->clkset1);
-	const uint8_t hclk_div =
-		hclk_divisors[(clkset1 >> SYSCON_CLKSET1_HCLK_DIV_SHIFT) & 7];
-	const ulong hclk_rate = get_PLLCLK(&syscon->clkset1) / hclk_div;
-
-	return hclk_rate;
-}
-
-/* return PCLK frequency */
-ulong get_PCLK(void)
-{
-	const uint8_t pclk_divisors[] = { 1, 2, 4, 8 };
-	struct syscon_regs *syscon = (struct syscon_regs *)SYSCON_BASE;
-
-	const uint32_t clkset1 = readl(&syscon->clkset1);
-	const uint8_t pclk_div =
-		pclk_divisors[(clkset1 >> SYSCON_CLKSET1_PCLK_DIV_SHIFT) & 3];
-	const ulong pclk_rate = get_HCLK() / pclk_div;
-
-	return pclk_rate;
-}
-
-/* return UCLK frequency */
-ulong get_UCLK(void)
-{
-	struct syscon_regs *syscon = (struct syscon_regs *)SYSCON_BASE;
-	ulong uclk_rate;
-
-	const uint32_t value = readl(&syscon->pwrcnt);
-	if (value & SYSCON_PWRCNT_UART_BAUD)
-		uclk_rate = CONFIG_SYS_CLK_FREQ;
-	else
-		uclk_rate = CONFIG_SYS_CLK_FREQ / 2;
-
-	return uclk_rate;
-}
diff --git a/cpu/arm920t/ep93xx/timer.c b/cpu/arm920t/ep93xx/timer.c
deleted file mode 100644
index 4a0ce4da64..0000000000
--- a/cpu/arm920t/ep93xx/timer.c
+++ /dev/null
@@ -1,143 +0,0 @@
-/*
- * Cirrus Logic EP93xx timer support.
- *
- * Copyright (C) 2009, 2010 Matthias Kaehlcke <matthias@kaehlcke.net>
- *
- * Copyright (C) 2004, 2005
- * Cory T. Tusar, Videon Central, Inc., <ctusar@videon-central.com>
- *
- * Based on the original intr.c Cirrus Logic EP93xx Rev D. interrupt support,
- * author unknown.
- *
- * 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.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <common.h>
-#include <linux/types.h>
-#include <asm/arch/ep93xx.h>
-#include <asm/io.h>
-#include <div64.h>
-
-#define TIMER_CLKSEL	(1 << 3)
-#define TIMER_ENABLE	(1 << 7)
-
-#define TIMER_FREQ			508469		/* ticks / second */
-#define TIMER_MAX_VAL			0xFFFFFFFF
-
-static struct ep93xx_timer
-{
-	unsigned long long ticks;
-	unsigned long last_read;
-} timer;
-
-static inline unsigned long long usecs_to_ticks(unsigned long usecs)
-{
-	unsigned long long ticks = (unsigned long long)usecs * TIMER_FREQ;
-	do_div(ticks, 1000 * 1000);
-
-	return ticks;
-}
-
-static inline void read_timer(void)
-{
-	struct timer_regs *timer_regs = (struct timer_regs *)TIMER_BASE;
-	const unsigned long now = TIMER_MAX_VAL - readl(&timer_regs->timer3.value);
-
-	if (now >= timer.last_read)
-		timer.ticks += now - timer.last_read;
-	else
-		/* an overflow occurred */
-		timer.ticks += TIMER_MAX_VAL - timer.last_read + now;
-
-	timer.last_read = now;
-}
-
-/*
- * Get the number of ticks (in CONFIG_SYS_HZ resolution)
- */
-unsigned long long get_ticks(void)
-{
-	unsigned long long sys_ticks;
-
-	read_timer();
-
-	sys_ticks = timer.ticks * CONFIG_SYS_HZ;
-	do_div(sys_ticks, TIMER_FREQ);
-
-	return sys_ticks;
-}
-
-unsigned long get_timer_masked(void)
-{
-	return get_ticks();
-}
-
-unsigned long get_timer(unsigned long base)
-{
-	return get_timer_masked() - base;
-}
-
-void reset_timer_masked(void)
-{
-	read_timer();
-	timer.ticks = 0;
-}
-
-void reset_timer(void)
-{
-	reset_timer_masked();
-}
-
-void __udelay(unsigned long usec)
-{
-	unsigned long long target;
-
-	read_timer();
-
-	target = timer.ticks + usecs_to_ticks(usec);
-
-	while (timer.ticks < target)
-		read_timer();
-}
-
-int timer_init(void)
-{
-	struct timer_regs *timer_regs = (struct timer_regs *)TIMER_BASE;
-
-	/* use timer 3 with 508KHz and free running, not enabled now */
-	writel(TIMER_CLKSEL, &timer_regs->timer3.control);
-
-	/* set initial timer value */
-	writel(TIMER_MAX_VAL, &timer_regs->timer3.load);
-
-	/* Enable the timer */
-	writel(TIMER_ENABLE | TIMER_CLKSEL,
-		&timer_regs->timer3.control);
-
-	reset_timer_masked();
-
-	return 0;
-}
-
-/*
- * This function is derived from PowerPC code (timebase clock frequency).
- * On ARM it returns the number of timer ticks per second.
- */
-unsigned long get_tbclk(void)
-{
-	return CONFIG_SYS_HZ;
-}
diff --git a/cpu/arm920t/ep93xx/u-boot.lds b/cpu/arm920t/ep93xx/u-boot.lds
deleted file mode 100644
index 737c9d8c1b..0000000000
--- a/cpu/arm920t/ep93xx/u-boot.lds
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- * (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
- */
-
-OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
-OUTPUT_ARCH(arm)
-ENTRY(_start)
-SECTIONS
-{
-	. = 0x00000000;
-
-	. = ALIGN(4);
-	.text      :
-	{
-	  cpu/arm920t/start.o	(.text)
-		/* the EP93xx expects to find the pattern 'CRUS' at 0x1000 */
-	  . = 0x1000;
-	  LONG(0x53555243)
-	  *(.text)
-	}
-
-	. = ALIGN(4);
-	.rodata : { *(.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 : { *(.bss) }
-	_end = .;
-}