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authorPeter Tyser <ptyser@xes-inc.com>2010-04-12 22:28:11 -0500
committerWolfgang Denk <wd@denx.de>2010-04-13 09:13:24 +0200
commit84ad688473bec2875e171b71040eb9e033c6c206 (patch)
treecf181129cbdf5d833d55262f759ea2cd9cafaff7 /cpu/pxa
parent8f0fec74ac6d0f3a7134ccebafa1ed9bd8c712ba (diff)
downloadu-boot-imx-84ad688473bec2875e171b71040eb9e033c6c206.zip
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arm: Move cpu/$CPU to arch/arm/cpu/$CPU
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Diffstat (limited to 'cpu/pxa')
-rw-r--r--cpu/pxa/Makefile52
-rw-r--r--cpu/pxa/config.mk33
-rw-r--r--cpu/pxa/cpu.c87
-rw-r--r--cpu/pxa/i2c.c458
-rw-r--r--cpu/pxa/pxafb.c471
-rw-r--r--cpu/pxa/start.S498
-rw-r--r--cpu/pxa/timer.c128
-rw-r--r--cpu/pxa/u-boot.lds56
-rw-r--r--cpu/pxa/usb.c112
9 files changed, 0 insertions, 1895 deletions
diff --git a/cpu/pxa/Makefile b/cpu/pxa/Makefile
deleted file mode 100644
index 07a151a..0000000
--- a/cpu/pxa/Makefile
+++ /dev/null
@@ -1,52 +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
-COBJS += i2c.o
-COBJS += pxafb.o
-COBJS += timer.o
-COBJS += usb.o
-
-SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
-START := $(addprefix $(obj),$(START))
-
-all: $(obj).depend $(START) $(LIB)
-
-$(LIB): $(OBJS)
- $(AR) $(ARFLAGS) $@ $(OBJS)
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
diff --git a/cpu/pxa/config.mk b/cpu/pxa/config.mk
deleted file mode 100644
index a05d69c..0000000
--- a/cpu/pxa/config.mk
+++ /dev/null
@@ -1,33 +0,0 @@
-#
-# (C) Copyright 2002
-# Sysgo Real-Time Solutions, GmbH <www.elinos.com>
-# Marius Groeger <mgroeger@sysgo.de>
-#
-# See file CREDITS for list of people who contributed to this
-# project.
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
-# MA 02111-1307 USA
-#
-
-PLATFORM_RELFLAGS += -fno-common -ffixed-r8 -msoft-float
-
-PLATFORM_CPPFLAGS += -march=armv5te -mtune=xscale
-# =========================================================================
-#
-# Supply options according to compiler version
-#
-# ========================================================================
-PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,))
diff --git a/cpu/pxa/cpu.c b/cpu/pxa/cpu.c
deleted file mode 100644
index 800d120..0000000
--- a/cpu/pxa/cpu.c
+++ /dev/null
@@ -1,87 +0,0 @@
-/*
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
- *
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Alex Zuepke <azu@sysgo.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/arch/pxa-regs.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
- *
- * just disable everything that can disturb booting linux
- */
-
- disable_interrupts ();
-
- /* turn off I-cache */
- icache_disable();
- dcache_disable();
-
- /* flush I-cache */
- cache_flush();
-
- return (0);
-}
-
-/* flush I/D-cache */
-static void cache_flush (void)
-{
- unsigned long i = 0;
-
- asm ("mcr p15, 0, %0, c7, c5, 0": :"r" (i));
-}
-
-#ifndef CONFIG_CPU_MONAHANS
-void set_GPIO_mode(int gpio_mode)
-{
- int gpio = gpio_mode & GPIO_MD_MASK_NR;
- int fn = (gpio_mode & GPIO_MD_MASK_FN) >> 8;
- int gafr;
-
- if (gpio_mode & GPIO_MD_MASK_DIR)
- {
- GPDR(gpio) |= GPIO_bit(gpio);
- }
- else
- {
- GPDR(gpio) &= ~GPIO_bit(gpio);
- }
- gafr = GAFR(gpio) & ~(0x3 << (((gpio) & 0xf)*2));
- GAFR(gpio) = gafr | (fn << (((gpio) & 0xf)*2));
-}
-#endif /* CONFIG_CPU_MONAHANS */
diff --git a/cpu/pxa/i2c.c b/cpu/pxa/i2c.c
deleted file mode 100644
index 6b72ba1..0000000
--- a/cpu/pxa/i2c.c
+++ /dev/null
@@ -1,458 +0,0 @@
-/*
- * (C) Copyright 2000
- * Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it
- *
- * (C) Copyright 2000 Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
- *
- * (C) Copyright 2003 Pengutronix e.K.
- * Robert Schwebel <r.schwebel@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
- *
- * Back ported to the 8xx platform (from the 8260 platform) by
- * Murray.Jensen@cmst.csiro.au, 27-Jan-01.
- */
-
-/* FIXME: this file is PXA255 specific! What about other XScales? */
-
-#include <common.h>
-
-#ifdef CONFIG_HARD_I2C
-
-/*
- * - CONFIG_SYS_I2C_SPEED
- * - I2C_PXA_SLAVE_ADDR
- */
-
-#include <asm/arch/hardware.h>
-#include <asm/arch/pxa-regs.h>
-#include <i2c.h>
-
-/*#define DEBUG_I2C 1 /###* activate local debugging output */
-#define I2C_PXA_SLAVE_ADDR 0x1 /* slave pxa unit address */
-
-#if (CONFIG_SYS_I2C_SPEED == 400000)
-#define I2C_ICR_INIT (ICR_FM | ICR_BEIE | ICR_IRFIE | ICR_ITEIE | ICR_GCD | ICR_SCLE)
-#else
-#define I2C_ICR_INIT (ICR_BEIE | ICR_IRFIE | ICR_ITEIE | ICR_GCD | ICR_SCLE)
-#endif
-
-#define I2C_ISR_INIT 0x7FF
-
-#ifdef DEBUG_I2C
-#define PRINTD(x) printf x
-#else
-#define PRINTD(x)
-#endif
-
-
-/* Shall the current transfer have a start/stop condition? */
-#define I2C_COND_NORMAL 0
-#define I2C_COND_START 1
-#define I2C_COND_STOP 2
-
-/* Shall the current transfer be ack/nacked or being waited for it? */
-#define I2C_ACKNAK_WAITACK 1
-#define I2C_ACKNAK_SENDACK 2
-#define I2C_ACKNAK_SENDNAK 4
-
-/* Specify who shall transfer the data (master or slave) */
-#define I2C_READ 0
-#define I2C_WRITE 1
-
-/* All transfers are described by this data structure */
-struct i2c_msg {
- u8 condition;
- u8 acknack;
- u8 direction;
- u8 data;
-};
-
-
-/**
- * i2c_pxa_reset: - reset the host controller
- *
- */
-
-static void i2c_reset( void )
-{
- ICR &= ~ICR_IUE; /* disable unit */
- ICR |= ICR_UR; /* reset the unit */
- udelay(100);
- ICR &= ~ICR_IUE; /* disable unit */
-#ifdef CONFIG_CPU_MONAHANS
- CKENB |= (CKENB_4_I2C); /* | CKENB_1_PWM1 | CKENB_0_PWM0); */
-#else /* CONFIG_CPU_MONAHANS */
- CKEN |= CKEN14_I2C; /* set the global I2C clock on */
-#endif
- ISAR = I2C_PXA_SLAVE_ADDR; /* set our slave address */
- ICR = I2C_ICR_INIT; /* set control register values */
- ISR = I2C_ISR_INIT; /* set clear interrupt bits */
- ICR |= ICR_IUE; /* enable unit */
- udelay(100);
-}
-
-
-/**
- * i2c_isr_set_cleared: - wait until certain bits of the I2C status register
- * are set and cleared
- *
- * @return: 1 in case of success, 0 means timeout (no match within 10 ms).
- */
-static int i2c_isr_set_cleared( unsigned long set_mask, unsigned long cleared_mask )
-{
- int timeout = 10000;
-
- while( ((ISR & set_mask)!=set_mask) || ((ISR & cleared_mask)!=0) ){
- udelay( 10 );
- if( timeout-- < 0 ) return 0;
- }
-
- return 1;
-}
-
-
-/**
- * i2c_transfer: - Transfer one byte over the i2c bus
- *
- * This function can tranfer a byte over the i2c bus in both directions.
- * It is used by the public API functions.
- *
- * @return: 0: transfer successful
- * -1: message is empty
- * -2: transmit timeout
- * -3: ACK missing
- * -4: receive timeout
- * -5: illegal parameters
- * -6: bus is busy and couldn't be aquired
- */
-int i2c_transfer(struct i2c_msg *msg)
-{
- int ret;
-
- if (!msg)
- goto transfer_error_msg_empty;
-
- switch(msg->direction) {
-
- case I2C_WRITE:
-
- /* check if bus is not busy */
- if (!i2c_isr_set_cleared(0,ISR_IBB))
- goto transfer_error_bus_busy;
-
- /* start transmission */
- ICR &= ~ICR_START;
- ICR &= ~ICR_STOP;
- IDBR = msg->data;
- if (msg->condition == I2C_COND_START) ICR |= ICR_START;
- if (msg->condition == I2C_COND_STOP) ICR |= ICR_STOP;
- if (msg->acknack == I2C_ACKNAK_SENDNAK) ICR |= ICR_ACKNAK;
- if (msg->acknack == I2C_ACKNAK_SENDACK) ICR &= ~ICR_ACKNAK;
- ICR &= ~ICR_ALDIE;
- ICR |= ICR_TB;
-
- /* transmit register empty? */
- if (!i2c_isr_set_cleared(ISR_ITE,0))
- goto transfer_error_transmit_timeout;
-
- /* clear 'transmit empty' state */
- ISR |= ISR_ITE;
-
- /* wait for ACK from slave */
- if (msg->acknack == I2C_ACKNAK_WAITACK)
- if (!i2c_isr_set_cleared(0,ISR_ACKNAK))
- goto transfer_error_ack_missing;
- break;
-
- case I2C_READ:
-
- /* check if bus is not busy */
- if (!i2c_isr_set_cleared(0,ISR_IBB))
- goto transfer_error_bus_busy;
-
- /* start receive */
- ICR &= ~ICR_START;
- ICR &= ~ICR_STOP;
- if (msg->condition == I2C_COND_START) ICR |= ICR_START;
- if (msg->condition == I2C_COND_STOP) ICR |= ICR_STOP;
- if (msg->acknack == I2C_ACKNAK_SENDNAK) ICR |= ICR_ACKNAK;
- if (msg->acknack == I2C_ACKNAK_SENDACK) ICR &= ~ICR_ACKNAK;
- ICR &= ~ICR_ALDIE;
- ICR |= ICR_TB;
-
- /* receive register full? */
- if (!i2c_isr_set_cleared(ISR_IRF,0))
- goto transfer_error_receive_timeout;
-
- msg->data = IDBR;
-
- /* clear 'receive empty' state */
- ISR |= ISR_IRF;
-
- break;
-
- default:
-
- goto transfer_error_illegal_param;
-
- }
-
- return 0;
-
-transfer_error_msg_empty:
- PRINTD(("i2c_transfer: error: 'msg' is empty\n"));
- ret = -1; goto i2c_transfer_finish;
-
-transfer_error_transmit_timeout:
- PRINTD(("i2c_transfer: error: transmit timeout\n"));
- ret = -2; goto i2c_transfer_finish;
-
-transfer_error_ack_missing:
- PRINTD(("i2c_transfer: error: ACK missing\n"));
- ret = -3; goto i2c_transfer_finish;
-
-transfer_error_receive_timeout:
- PRINTD(("i2c_transfer: error: receive timeout\n"));
- ret = -4; goto i2c_transfer_finish;
-
-transfer_error_illegal_param:
- PRINTD(("i2c_transfer: error: illegal parameters\n"));
- ret = -5; goto i2c_transfer_finish;
-
-transfer_error_bus_busy:
- PRINTD(("i2c_transfer: error: bus is busy\n"));
- ret = -6; goto i2c_transfer_finish;
-
-i2c_transfer_finish:
- PRINTD(("i2c_transfer: ISR: 0x%04x\n",ISR));
- i2c_reset();
- return ret;
-
-}
-
-/* ------------------------------------------------------------------------ */
-/* API Functions */
-/* ------------------------------------------------------------------------ */
-
-void i2c_init(int speed, int slaveaddr)
-{
-#ifdef CONFIG_SYS_I2C_INIT_BOARD
- /* call board specific i2c bus reset routine before accessing the */
- /* environment, which might be in a chip on that bus. For details */
- /* about this problem see doc/I2C_Edge_Conditions. */
- i2c_init_board();
-#endif
-}
-
-
-/**
- * i2c_probe: - Test if a chip answers for a given i2c address
- *
- * @chip: address of the chip which is searched for
- * @return: 0 if a chip was found, -1 otherwhise
- */
-
-int i2c_probe(uchar chip)
-{
- struct i2c_msg msg;
-
- i2c_reset();
-
- msg.condition = I2C_COND_START;
- msg.acknack = I2C_ACKNAK_WAITACK;
- msg.direction = I2C_WRITE;
- msg.data = (chip << 1) + 1;
- if (i2c_transfer(&msg)) return -1;
-
- msg.condition = I2C_COND_STOP;
- msg.acknack = I2C_ACKNAK_SENDNAK;
- msg.direction = I2C_READ;
- msg.data = 0x00;
- if (i2c_transfer(&msg)) return -1;
-
- return 0;
-}
-
-
-/**
- * i2c_read: - Read multiple bytes from an i2c device
- *
- * The higher level routines take into account that this function is only
- * called with len < page length of the device (see configuration file)
- *
- * @chip: address of the chip which is to be read
- * @addr: i2c data address within the chip
- * @alen: length of the i2c data address (1..2 bytes)
- * @buffer: where to write the data
- * @len: how much byte do we want to read
- * @return: 0 in case of success
- */
-
-int i2c_read(uchar chip, uint addr, int alen, uchar *buffer, int len)
-{
- struct i2c_msg msg;
- u8 addr_bytes[3]; /* lowest...highest byte of data address */
- int ret;
-
- PRINTD(("i2c_read(chip=0x%02x, addr=0x%02x, alen=0x%02x, len=0x%02x)\n",chip,addr,alen,len));
-
- i2c_reset();
-
- /* dummy chip address write */
- PRINTD(("i2c_read: dummy chip address write\n"));
- msg.condition = I2C_COND_START;
- msg.acknack = I2C_ACKNAK_WAITACK;
- msg.direction = I2C_WRITE;
- msg.data = (chip << 1);
- msg.data &= 0xFE;
- if ((ret=i2c_transfer(&msg))) return -1;
-
- /*
- * send memory address bytes;
- * alen defines how much bytes we have to send.
- */
- /*addr &= ((1 << CONFIG_SYS_EEPROM_PAGE_WRITE_BITS)-1); */
- addr_bytes[0] = (u8)((addr >> 0) & 0x000000FF);
- addr_bytes[1] = (u8)((addr >> 8) & 0x000000FF);
- addr_bytes[2] = (u8)((addr >> 16) & 0x000000FF);
-
- while (--alen >= 0) {
-
- PRINTD(("i2c_read: send memory word address byte %1d\n",alen));
- msg.condition = I2C_COND_NORMAL;
- msg.acknack = I2C_ACKNAK_WAITACK;
- msg.direction = I2C_WRITE;
- msg.data = addr_bytes[alen];
- if ((ret=i2c_transfer(&msg))) return -1;
- }
-
-
- /* start read sequence */
- PRINTD(("i2c_read: start read sequence\n"));
- msg.condition = I2C_COND_START;
- msg.acknack = I2C_ACKNAK_WAITACK;
- msg.direction = I2C_WRITE;
- msg.data = (chip << 1);
- msg.data |= 0x01;
- if ((ret=i2c_transfer(&msg))) return -1;
-
- /* read bytes; send NACK at last byte */
- while (len--) {
-
- if (len==0) {
- msg.condition = I2C_COND_STOP;
- msg.acknack = I2C_ACKNAK_SENDNAK;
- } else {
- msg.condition = I2C_COND_NORMAL;
- msg.acknack = I2C_ACKNAK_SENDACK;
- }
-
- msg.direction = I2C_READ;
- msg.data = 0x00;
- if ((ret=i2c_transfer(&msg))) return -1;
-
- *buffer = msg.data;
- PRINTD(("i2c_read: reading byte (0x%08x)=0x%02x\n",(unsigned int)buffer,*buffer));
- buffer++;
-
- }
-
- i2c_reset();
-
- return 0;
-}
-
-
-/**
- * i2c_write: - Write multiple bytes to an i2c device
- *
- * The higher level routines take into account that this function is only
- * called with len < page length of the device (see configuration file)
- *
- * @chip: address of the chip which is to be written
- * @addr: i2c data address within the chip
- * @alen: length of the i2c data address (1..2 bytes)
- * @buffer: where to find the data to be written
- * @len: how much byte do we want to read
- * @return: 0 in case of success
- */
-
-int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len)
-{
- struct i2c_msg msg;
- u8 addr_bytes[3]; /* lowest...highest byte of data address */
-
- PRINTD(("i2c_write(chip=0x%02x, addr=0x%02x, alen=0x%02x, len=0x%02x)\n",chip,addr,alen,len));
-
- i2c_reset();
-
- /* chip address write */
- PRINTD(("i2c_write: chip address write\n"));
- msg.condition = I2C_COND_START;
- msg.acknack = I2C_ACKNAK_WAITACK;
- msg.direction = I2C_WRITE;
- msg.data = (chip << 1);
- msg.data &= 0xFE;
- if (i2c_transfer(&msg)) return -1;
-
- /*
- * send memory address bytes;
- * alen defines how much bytes we have to send.
- */
- addr_bytes[0] = (u8)((addr >> 0) & 0x000000FF);
- addr_bytes[1] = (u8)((addr >> 8) & 0x000000FF);
- addr_bytes[2] = (u8)((addr >> 16) & 0x000000FF);
-
- while (--alen >= 0) {
-
- PRINTD(("i2c_write: send memory word address\n"));
- msg.condition = I2C_COND_NORMAL;
- msg.acknack = I2C_ACKNAK_WAITACK;
- msg.direction = I2C_WRITE;
- msg.data = addr_bytes[alen];
- if (i2c_transfer(&msg)) return -1;
- }
-
- /* write bytes; send NACK at last byte */
- while (len--) {
-
- PRINTD(("i2c_write: writing byte (0x%08x)=0x%02x\n",(unsigned int)buffer,*buffer));
-
- if (len==0)
- msg.condition = I2C_COND_STOP;
- else
- msg.condition = I2C_COND_NORMAL;
-
- msg.acknack = I2C_ACKNAK_WAITACK;
- msg.direction = I2C_WRITE;
- msg.data = *(buffer++);
-
- if (i2c_transfer(&msg)) return -1;
-
- }
-
- i2c_reset();
-
- return 0;
-
-}
-
-#endif /* CONFIG_HARD_I2C */
diff --git a/cpu/pxa/pxafb.c b/cpu/pxa/pxafb.c
deleted file mode 100644
index d56c5f0..0000000
--- a/cpu/pxa/pxafb.c
+++ /dev/null
@@ -1,471 +0,0 @@
-/*
- * PXA LCD Controller
- *
- * (C) Copyright 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., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-/************************************************************************/
-/* ** HEADER FILES */
-/************************************************************************/
-
-#include <config.h>
-#include <common.h>
-#include <version.h>
-#include <stdarg.h>
-#include <linux/types.h>
-#include <stdio_dev.h>
-#include <lcd.h>
-#include <asm/arch/pxa-regs.h>
-
-/* #define DEBUG */
-
-#ifdef CONFIG_LCD
-
-/*----------------------------------------------------------------------*/
-/*
- * Define panel bpp, LCCR0, LCCR3 and panel_info video struct for
- * your display.
- */
-
-#ifdef CONFIG_PXA_VGA
-/* LCD outputs connected to a video DAC */
-# define LCD_BPP LCD_COLOR8
-
-/* you have to set lccr0 and lccr3 (including pcd) */
-# define REG_LCCR0 0x003008f8
-# define REG_LCCR3 0x0300FF01
-
-/* 640x480x16 @ 61 Hz */
-vidinfo_t panel_info = {
- vl_col: 640,
- vl_row: 480,
- vl_width: 640,
- vl_height: 480,
- vl_clkp: CONFIG_SYS_HIGH,
- vl_oep: CONFIG_SYS_HIGH,
- vl_hsp: CONFIG_SYS_HIGH,
- vl_vsp: CONFIG_SYS_HIGH,
- vl_dp: CONFIG_SYS_HIGH,
- vl_bpix: LCD_BPP,
- vl_lbw: 0,
- vl_splt: 0,
- vl_clor: 0,
- vl_tft: 1,
- vl_hpw: 40,
- vl_blw: 56,
- vl_elw: 56,
- vl_vpw: 20,
- vl_bfw: 8,
- vl_efw: 8,
-};
-#endif /* CONFIG_PXA_VIDEO */
-
-/*----------------------------------------------------------------------*/
-#ifdef CONFIG_SHARP_LM8V31
-
-# define LCD_BPP LCD_COLOR8
-# define LCD_INVERT_COLORS /* Needed for colors to be correct, but why? */
-
-/* you have to set lccr0 and lccr3 (including pcd) */
-# define REG_LCCR0 0x0030087C
-# define REG_LCCR3 0x0340FF08
-
-vidinfo_t panel_info = {
- vl_col: 640,
- vl_row: 480,
- vl_width: 157,
- vl_height: 118,
- vl_clkp: CONFIG_SYS_HIGH,
- vl_oep: CONFIG_SYS_HIGH,
- vl_hsp: CONFIG_SYS_HIGH,
- vl_vsp: CONFIG_SYS_HIGH,
- vl_dp: CONFIG_SYS_HIGH,
- vl_bpix: LCD_BPP,
- vl_lbw: 0,
- vl_splt: 1,
- vl_clor: 1,
- vl_tft: 0,
- vl_hpw: 1,
- vl_blw: 3,
- vl_elw: 3,
- vl_vpw: 1,
- vl_bfw: 0,
- vl_efw: 0,
-};
-#endif /* CONFIG_SHARP_LM8V31 */
-
-/*----------------------------------------------------------------------*/
-#ifdef CONFIG_HITACHI_SX14
-/* Hitachi SX14Q004-ZZA color STN LCD */
-#define LCD_BPP LCD_COLOR8
-
-/* you have to set lccr0 and lccr3 (including pcd) */
-#define REG_LCCR0 0x00301079
-#define REG_LCCR3 0x0340FF20
-
-vidinfo_t panel_info = {
- vl_col: 320,
- vl_row: 240,
- vl_width: 167,
- vl_height: 109,
- vl_clkp: CONFIG_SYS_HIGH,
- vl_oep: CONFIG_SYS_HIGH,
- vl_hsp: CONFIG_SYS_HIGH,
- vl_vsp: CONFIG_SYS_HIGH,
- vl_dp: CONFIG_SYS_HIGH,
- vl_bpix: LCD_BPP,
- vl_lbw: 1,
- vl_splt: 0,
- vl_clor: 1,
- vl_tft: 0,
- vl_hpw: 1,
- vl_blw: 1,
- vl_elw: 1,
- vl_vpw: 7,
- vl_bfw: 0,
- vl_efw: 0,
-};
-#endif /* CONFIG_HITACHI_SX14 */
-
-/*----------------------------------------------------------------------*/
-
-#if LCD_BPP == LCD_COLOR8
-void lcd_setcolreg (ushort regno, ushort red, ushort green, ushort blue);
-#endif
-#if LCD_BPP == LCD_MONOCHROME
-void lcd_initcolregs (void);
-#endif
-
-#ifdef NOT_USED_SO_FAR
-void lcd_disable (void);
-void lcd_getcolreg (ushort regno, ushort *red, ushort *green, ushort *blue);
-#endif /* NOT_USED_SO_FAR */
-
-void lcd_ctrl_init (void *lcdbase);
-void lcd_enable (void);
-
-int lcd_line_length;
-int lcd_color_fg;
-int lcd_color_bg;
-
-void *lcd_base; /* Start of framebuffer memory */
-void *lcd_console_address; /* Start of console buffer */
-
-short console_col;
-short console_row;
-
-static int pxafb_init_mem (void *lcdbase, vidinfo_t *vid);
-static void pxafb_setup_gpio (vidinfo_t *vid);
-static void pxafb_enable_controller (vidinfo_t *vid);
-static int pxafb_init (vidinfo_t *vid);
-/************************************************************************/
-
-/************************************************************************/
-/* --------------- PXA chipset specific functions ------------------- */
-/************************************************************************/
-
-void lcd_ctrl_init (void *lcdbase)
-{
- pxafb_init_mem(lcdbase, &panel_info);
- pxafb_init(&panel_info);
- pxafb_setup_gpio(&panel_info);
- pxafb_enable_controller(&panel_info);
-}
-
-/*----------------------------------------------------------------------*/
-#ifdef NOT_USED_SO_FAR
-void
-lcd_getcolreg (ushort regno, ushort *red, ushort *green, ushort *blue)
-{
-}
-#endif /* NOT_USED_SO_FAR */
-
-/*----------------------------------------------------------------------*/
-#if LCD_BPP == LCD_COLOR8
-void
-lcd_setcolreg (ushort regno, ushort red, ushort green, ushort blue)
-{
- struct pxafb_info *fbi = &panel_info.pxa;
- unsigned short *palette = (unsigned short *)fbi->palette;
- u_int val;
-
- if (regno < fbi->palette_size) {
- val = ((red << 8) & 0xf800);
- val |= ((green << 4) & 0x07e0);
- val |= (blue & 0x001f);
-
-#ifdef LCD_INVERT_COLORS
- palette[regno] = ~val;
-#else
- palette[regno] = val;
-#endif
- }
-
- debug ("setcolreg: reg %2d @ %p: R=%02X G=%02X B=%02X => %04X\n",
- regno, &palette[regno],
- red, green, blue,
- palette[regno]);
-}
-#endif /* LCD_COLOR8 */
-
-/*----------------------------------------------------------------------*/
-#if LCD_BPP == LCD_MONOCHROME
-void lcd_initcolregs (void)
-{
- struct pxafb_info *fbi = &panel_info.pxa;
- cmap = (ushort *)fbi->palette;
- ushort regno;
-
- for (regno = 0; regno < 16; regno++) {
- cmap[regno * 2] = 0;
- cmap[(regno * 2) + 1] = regno & 0x0f;
- }
-}
-#endif /* LCD_MONOCHROME */
-
-/*----------------------------------------------------------------------*/
-void lcd_enable (void)
-{
-}
-
-/*----------------------------------------------------------------------*/
-#ifdef NOT_USED_SO_FAR
-static void lcd_disable (void)
-{
-}
-#endif /* NOT_USED_SO_FAR */
-
-/*----------------------------------------------------------------------*/
-
-/************************************************************************/
-/* ** PXA255 specific routines */
-/************************************************************************/
-
-/*
- * Calculate fb size for VIDEOLFB_ATAG. Size returned contains fb,
- * descriptors and palette areas.
- */
-ulong calc_fbsize (void)
-{
- ulong size;
- int line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8;
-
- size = line_length * panel_info.vl_row;
- size += PAGE_SIZE;
-
- return size;
-}
-
-static int pxafb_init_mem (void *lcdbase, vidinfo_t *vid)
-{
- u_long palette_mem_size;
- struct pxafb_info *fbi = &vid->pxa;
- int fb_size = vid->vl_row * (vid->vl_col * NBITS (vid->vl_bpix)) / 8;
-
- fbi->screen = (u_long)lcdbase;
-
- fbi->palette_size = NBITS(vid->vl_bpix) == 8 ? 256 : 16;
- palette_mem_size = fbi->palette_size * sizeof(u16);
-
- debug("palette_mem_size = 0x%08lx\n", (u_long) palette_mem_size);
- /* locate palette and descs at end of page following fb */
- fbi->palette = (u_long)lcdbase + fb_size + PAGE_SIZE - palette_mem_size;
-
- return 0;
-}
-
-static void pxafb_setup_gpio (vidinfo_t *vid)
-{
- u_long lccr0;
-
- /*
- * setup is based on type of panel supported
- */
-
- lccr0 = vid->pxa.reg_lccr0;
-
- /* 4 bit interface */
- if ((lccr0 & LCCR0_CMS) && (lccr0 & LCCR0_SDS) && !(lccr0 & LCCR0_DPD))
- {
- debug("Setting GPIO for 4 bit data\n");
- /* bits 58-61 */
- GPDR1 |= (0xf << 26);
- GAFR1_U = (GAFR1_U & ~(0xff << 20)) | (0xaa << 20);
-
- /* bits 74-77 */
- GPDR2 |= (0xf << 10);
- GAFR2_L = (GAFR2_L & ~(0xff << 20)) | (0xaa << 20);
- }
-
- /* 8 bit interface */
- else if (((lccr0 & LCCR0_CMS) && ((lccr0 & LCCR0_SDS) || (lccr0 & LCCR0_DPD))) ||
- (!(lccr0 & LCCR0_CMS) && !(lccr0 & LCCR0_PAS) && !(lccr0 & LCCR0_SDS)))
- {
- debug("Setting GPIO for 8 bit data\n");
- /* bits 58-65 */
- GPDR1 |= (0x3f << 26);
- GPDR2 |= (0x3);
-
- GAFR1_U = (GAFR1_U & ~(0xfff << 20)) | (0xaaa << 20);
- GAFR2_L = (GAFR2_L & ~0xf) | (0xa);
-
- /* bits 74-77 */
- GPDR2 |= (0xf << 10);
- GAFR2_L = (GAFR2_L & ~(0xff << 20)) | (0xaa << 20);
- }
-
- /* 16 bit interface */
- else if (!(lccr0 & LCCR0_CMS) && ((lccr0 & LCCR0_SDS) || (lccr0 & LCCR0_PAS)))
- {
- debug("Setting GPIO for 16 bit data\n");
- /* bits 58-77 */
- GPDR1 |= (0x3f << 26);
- GPDR2 |= 0x00003fff;
-
- GAFR1_U = (GAFR1_U & ~(0xfff << 20)) | (0xaaa << 20);
- GAFR2_L = (GAFR2_L & 0xf0000000) | 0x0aaaaaaa;
- }
- else
- {
- printf("pxafb_setup_gpio: unable to determine bits per pixel\n");
- }
-}
-
-static void pxafb_enable_controller (vidinfo_t *vid)
-{
- debug("Enabling LCD controller\n");
-
- /* Sequence from 11.7.10 */
- LCCR3 = vid->pxa.reg_lccr3;
- LCCR2 = vid->pxa.reg_lccr2;
- LCCR1 = vid->pxa.reg_lccr1;
- LCCR0 = vid->pxa.reg_lccr0 & ~LCCR0_ENB;
- FDADR0 = vid->pxa.fdadr0;
- FDADR1 = vid->pxa.fdadr1;
- LCCR0 |= LCCR0_ENB;
-
- CKEN |= CKEN16_LCD;
-
- debug("FDADR0 = 0x%08x\n", (unsigned int)FDADR0);
- debug("FDADR1 = 0x%08x\n", (unsigned int)FDADR1);
- debug("LCCR0 = 0x%08x\n", (unsigned int)LCCR0);
- debug("LCCR1 = 0x%08x\n", (unsigned int)LCCR1);
- debug("LCCR2 = 0x%08x\n", (unsigned int)LCCR2);
- debug("LCCR3 = 0x%08x\n", (unsigned int)LCCR3);
-}
-
-static int pxafb_init (vidinfo_t *vid)
-{
- struct pxafb_info *fbi = &vid->pxa;
-
- debug("Configuring PXA LCD\n");
-
- fbi->reg_lccr0 = REG_LCCR0;
- fbi->reg_lccr3 = REG_LCCR3;
-
- debug("vid: vl_col=%d hslen=%d lm=%d rm=%d\n",
- vid->vl_col, vid->vl_hpw,
- vid->vl_blw, vid->vl_elw);
- debug("vid: vl_row=%d vslen=%d um=%d bm=%d\n",
- vid->vl_row, vid->vl_vpw,
- vid->vl_bfw, vid->vl_efw);
-
- fbi->reg_lccr1 =
- LCCR1_DisWdth(vid->vl_col) +
- LCCR1_HorSnchWdth(vid->vl_hpw) +
- LCCR1_BegLnDel(vid->vl_blw) +
- LCCR1_EndLnDel(vid->vl_elw);
-
- fbi->reg_lccr2 =
- LCCR2_DisHght(vid->vl_row) +
- LCCR2_VrtSnchWdth(vid->vl_vpw) +
- LCCR2_BegFrmDel(vid->vl_bfw) +
- LCCR2_EndFrmDel(vid->vl_efw);
-
- fbi->reg_lccr3 = REG_LCCR3 & ~(LCCR3_HSP | LCCR3_VSP);
- fbi->reg_lccr3 |= (vid->vl_hsp ? LCCR3_HorSnchL : LCCR3_HorSnchH)
- | (vid->vl_vsp ? LCCR3_VrtSnchL : LCCR3_VrtSnchH);
-
-
- /* setup dma descriptors */
- fbi->dmadesc_fblow = (struct pxafb_dma_descriptor *)((unsigned int)fbi->palette - 3*16);
- fbi->dmadesc_fbhigh = (struct pxafb_dma_descriptor *)((unsigned int)fbi->palette - 2*16);
- fbi->dmadesc_palette = (struct pxafb_dma_descriptor *)((unsigned int)fbi->palette - 1*16);
-
- #define BYTES_PER_PANEL ((fbi->reg_lccr0 & LCCR0_SDS) ? \
- (vid->vl_col * vid->vl_row * NBITS(vid->vl_bpix) / 8 / 2) : \
- (vid->vl_col * vid->vl_row * NBITS(vid->vl_bpix) / 8))
-
- /* populate descriptors */
- fbi->dmadesc_fblow->fdadr = (u_long)fbi->dmadesc_fblow;
- fbi->dmadesc_fblow->fsadr = fbi->screen + BYTES_PER_PANEL;
- fbi->dmadesc_fblow->fidr = 0;
- fbi->dmadesc_fblow->ldcmd = BYTES_PER_PANEL;
-
- fbi->fdadr1 = (u_long)fbi->dmadesc_fblow; /* only used in dual-panel mode */
-
- fbi->dmadesc_fbhigh->fsadr = fbi->screen;
- fbi->dmadesc_fbhigh->fidr = 0;
- fbi->dmadesc_fbhigh->ldcmd = BYTES_PER_PANEL;
-
- fbi->dmadesc_palette->fsadr = fbi->palette;
- fbi->dmadesc_palette->fidr = 0;
- fbi->dmadesc_palette->ldcmd = (fbi->palette_size * 2) | LDCMD_PAL;
-
- if( NBITS(vid->vl_bpix) < 12)
- {
- /* assume any mode with <12 bpp is palette driven */
- fbi->dmadesc_palette->fdadr = (u_long)fbi->dmadesc_fbhigh;
- fbi->dmadesc_fbhigh->fdadr = (u_long)fbi->dmadesc_palette;
- /* flips back and forth between pal and fbhigh */
- fbi->fdadr0 = (u_long)fbi->dmadesc_palette;
- }
- else
- {
- /* palette shouldn't be loaded in true-color mode */
- fbi->dmadesc_fbhigh->fdadr = (u_long)fbi->dmadesc_fbhigh;
- fbi->fdadr0 = (u_long)fbi->dmadesc_fbhigh; /* no pal just fbhigh */
- }
-
- debug("fbi->dmadesc_fblow = 0x%lx\n", (u_long)fbi->dmadesc_fblow);
- debug("fbi->dmadesc_fbhigh = 0x%lx\n", (u_long)fbi->dmadesc_fbhigh);
- debug("fbi->dmadesc_palette = 0x%lx\n", (u_long)fbi->dmadesc_palette);
-
- debug("fbi->dmadesc_fblow->fdadr = 0x%lx\n", fbi->dmadesc_fblow->fdadr);
- debug("fbi->dmadesc_fbhigh->fdadr = 0x%lx\n", fbi->dmadesc_fbhigh->fdadr);
- debug("fbi->dmadesc_palette->fdadr = 0x%lx\n", fbi->dmadesc_palette->fdadr);
-
- debug("fbi->dmadesc_fblow->fsadr = 0x%lx\n", fbi->dmadesc_fblow->fsadr);
- debug("fbi->dmadesc_fbhigh->fsadr = 0x%lx\n", fbi->dmadesc_fbhigh->fsadr);
- debug("fbi->dmadesc_palette->fsadr = 0x%lx\n", fbi->dmadesc_palette->fsadr);
-
- debug("fbi->dmadesc_fblow->ldcmd = 0x%lx\n", fbi->dmadesc_fblow->ldcmd);
- debug("fbi->dmadesc_fbhigh->ldcmd = 0x%lx\n", fbi->dmadesc_fbhigh->ldcmd);
- debug("fbi->dmadesc_palette->ldcmd = 0x%lx\n", fbi->dmadesc_palette->ldcmd);
-
- return 0;
-}
-
-/************************************************************************/
-/************************************************************************/
-
-#endif /* CONFIG_LCD */
diff --git a/cpu/pxa/start.S b/cpu/pxa/start.S
deleted file mode 100644
index 63ab0c5..0000000
--- a/cpu/pxa/start.S
+++ /dev/null
@@ -1,498 +0,0 @@
-/*
- * armboot - Startup Code for XScale
- *
- * Copyright (C) 1998 Dan Malek <dmalek@jlc.net>
- * Copyright (C) 1999 Magnus Damm <kieraypc01.p.y.kie.era.ericsson.se>
- * Copyright (C) 2000 Wolfgang Denk <wd@denx.de>
- * Copyright (C) 2001 Alex Zuepke <azu@sysgo.de>
- * Copyright (C) 2002 Kyle Harris <kharris@nexus-tech.net>
- * Copyright (C) 2003 Robert Schwebel <r.schwebel@pengutronix.de>
- * Copyright (C) 2003 Kai-Uwe Bloem <kai-uwe.bloem@auerswald.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 <config.h>
-#include <version.h>
-#include <asm/arch/pxa-regs.h>
-
-.globl _start
-_start: b reset
- 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
-
- .balignl 16,0xdeadbeef
-
-
-/*
- * Startup Code (reset vector)
- *
- * do important init only if we don't start from RAM!
- * - relocate armboot to RAM
- * - setup stack
- * - jump to second stage
- */
-
-_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 /* CONFIG_USE_IRQ */
-
-
-/****************************************************************************/
-/* */
-/* the actual reset code */
-/* */
-/****************************************************************************/
-
-reset:
- mrs r0,cpsr /* set the CPU to SVC32 mode */
- bic r0,r0,#0x1f /* (superviser mode, M=10011) */
- orr r0,r0,#0x13
- msr cpsr,r0
-
- /*
- * we do sys-critical inits only at reboot,
- * not when booting from RAM!
- */
-#ifndef CONFIG_SKIP_LOWLEVEL_INIT
- bl cpu_init_crit /* we do sys-critical inits */
-#endif /* !CONFIG_SKIP_LOWLEVEL_INIT */
-
-#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 */
- beq stack_setup
-
- 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 address [r2] */
- ble copy_loop
-#endif /* !CONFIG_SKIP_RELOCATE_UBOOT */
-
- /* Set up the stack */
-stack_setup:
- ldr r0, _TEXT_BASE /* upper 128 KiB: relocated uboot */
- 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 /* CONFIG_USE_IRQ */
- sub sp, r0, #12 /* leave 3 words for abort-stack */
-
-clear_bss:
- ldr r0, _bss_start /* find start of bss segment */
- ldr r1, _bss_end /* stop here */
- mov r2, #0x00000000 /* clear */
-
-clbss_l:str r2, [r0] /* clear loop... */
- add r0, r0, #4
- cmp r0, r1
- ble clbss_l
-
- ldr pc, _start_armboot
-
-_start_armboot: .word start_armboot
-
-
-/****************************************************************************/
-/* */
-/* CPU_init_critical registers */
-/* */
-/* - setup important registers */
-/* - setup memory timing */
-/* */
-/****************************************************************************/
-/* mk@tbd: Fix this! */
-#undef RCSR
-#undef ICMR
-#undef OSMR3
-#undef OSCR
-#undef OWER
-#undef OIER
-#undef CCCR
-
-/* Interrupt-Controller base address */
-IC_BASE: .word 0x40d00000
-#define ICMR 0x04
-
-/* Reset-Controller */
-RST_BASE: .word 0x40f00030
-#define RCSR 0x00
-
-/* Operating System Timer */
-OSTIMER_BASE: .word 0x40a00000
-#define OSMR3 0x0C
-#define OSCR 0x10
-#define OWER 0x18
-#define OIER 0x1C
-
-/* Clock Manager Registers */
-#ifdef CONFIG_CPU_MONAHANS
-# ifndef CONFIG_SYS_MONAHANS_RUN_MODE_OSC_RATIO
-# error "You have to define CONFIG_SYS_MONAHANS_RUN_MODE_OSC_RATIO!!"
-# endif /* !CONFIG_SYS_MONAHANS_RUN_MODE_OSC_RATIO */
-# ifndef CONFIG_SYS_MONAHANS_TURBO_RUN_MODE_RATIO
-# define CONFIG_SYS_MONAHANS_TURBO_RUN_MODE_RATIO 0x1
-# endif /* !CONFIG_SYS_MONAHANS_TURBO_RUN_MODE_RATIO */
-#else /* !CONFIG_CPU_MONAHANS */
-#ifdef CONFIG_SYS_CPUSPEED
-CC_BASE: .word 0x41300000
-#define CCCR 0x00
-cpuspeed: .word CONFIG_SYS_CPUSPEED
-#else /* !CONFIG_SYS_CPUSPEED */
-#error "You have to define CONFIG_SYS_CPUSPEED!!"
-#endif /* CONFIG_SYS_CPUSPEED */
-#endif /* CONFIG_CPU_MONAHANS */
-
- /* takes care the CP15 update has taken place */
- .macro CPWAIT reg
- mrc p15,0,\reg,c2,c0,0
- mov \reg,\reg
- sub pc,pc,#4
- .endm
-
-cpu_init_crit:
-
- /* mask all IRQs */
-#ifndef CONFIG_CPU_MONAHANS
- ldr r0, IC_BASE
- mov r1, #0x00
- str r1, [r0, #ICMR]
-#else /* CONFIG_CPU_MONAHANS */
- /* Step 1 - Enable CP6 permission */
- mrc p15, 0, r1, c15, c1, 0 @ read CPAR
- orr r1, r1, #0x40
- mcr p15, 0, r1, c15, c1, 0
- CPWAIT r1
-
- /* Step 2 - Mask ICMR & ICMR2 */
- mov r1, #0
- mcr p6, 0, r1, c1, c0, 0 @ ICMR
- mcr p6, 0, r1, c7, c0, 0 @ ICMR2
-
- /* turn off all clocks but the ones we will definitly require */
- ldr r1, =CKENA
- ldr r2, =(CKENA_22_FFUART | CKENA_10_SRAM | CKENA_9_SMC | CKENA_8_DMC)
- str r2, [r1]
- ldr r1, =CKENB
- ldr r2, =(CKENB_6_IRQ)
- str r2, [r1]
-#endif /* !CONFIG_CPU_MONAHANS */
-
- /* set clock speed */
-#ifdef CONFIG_CPU_MONAHANS
- ldr r0, =ACCR
- ldr r1, =(((CONFIG_SYS_MONAHANS_TURBO_RUN_MODE_RATIO<<8) & ACCR_XN_MASK) | (CONFIG_SYS_MONAHANS_RUN_MODE_OSC_RATIO & ACCR_XL_MASK))
- str r1, [r0]
-#else /* !CONFIG_CPU_MONAHANS */
-#ifdef CONFIG_SYS_CPUSPEED
- ldr r0, CC_BASE
- ldr r1, cpuspeed
- str r1, [r0, #CCCR]
- mov r0, #2
- mcr p14, 0, r0, c6, c0, 0
-
-setspeed_done:
-
-#endif /* CONFIG_SYS_CPUSPEED */
-#endif /* CONFIG_CPU_MONAHANS */
-
- /*
- * before relocating, we have to setup RAM timing
- * because memory timing is board-dependend, you will
- * find a lowlevel_init.S in your board directory.
- */
- mov ip, lr
- bl lowlevel_init
- mov lr, ip
-
- /* Memory interfaces are working. Disable MMU and enable I-cache. */
- /* mk: hmm, this is not in the monahans docs, leave it now but
- * check here if it doesn't work :-) */
-
- ldr r0, =0x2001 /* enable access to all coproc. */
- mcr p15, 0, r0, c15, c1, 0
- CPWAIT r0
-
- mcr p15, 0, r0, c7, c10, 4 /* drain the write & fill buffers */
- CPWAIT r0
-
- mcr p15, 0, r0, c7, c7, 0 /* flush Icache, Dcache and BTB */
- CPWAIT r0
-
- mcr p15, 0, r0, c8, c7, 0 /* flush instuction and data TLBs */
- CPWAIT r0
-
- /* Enable the Icache */
-/*
- mrc p15, 0, r0, c1, c0, 0
- orr r0, r0, #0x1800
- mcr p15, 0, r0, c1, c0, 0
- CPWAIT
-*/
- mov pc, lr
-
-
-/****************************************************************************/
-/* */
-/* 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
-
- /* use bad_save_user_regs for abort/prefetch/undef/swi ... */
-
- .macro bad_save_user_regs
- sub sp, sp, #S_FRAME_SIZE
- stmia sp, {r0 - r12} /* Calling r0-r12 */
- add r8, sp, #S_PC
-
- ldr r2, _armboot_start
- sub r2, r2, #(CONFIG_STACKSIZE+CONFIG_SYS_MALLOC_LEN)
- sub r2, r2, #(CONFIG_SYS_GBL_DATA_SIZE+8) @ set base 2 words into abort stack
- ldmia r2, {r2 - r4} /* get pc, cpsr, old_r0 */
- add r0, sp, #S_FRAME_SIZE /* restore sp_SVC */
-
- add r5, sp, #S_SP
- mov r1, lr
- stmia r5, {r0 - r4} /* save sp_SVC, lr_SVC, pc, cpsr, old_r */
- mov r0, sp
- .endm
-
-
- /* use irq_save_user_regs / irq_restore_user_regs for */
- /* IRQ/FIQ handling */
-
- .macro irq_save_user_regs
- sub sp, sp, #S_FRAME_SIZE
- stmia sp, {r0 - r12} /* Calling r0-r12 */
- add r8, sp, #S_PC
- 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
- sub r13, r13, #(CONFIG_STACKSIZE+CONFIG_SYS_MALLOC_LEN)
- sub r13, r13, #(CONFIG_SYS_GBL_DATA_SIZE+8) @ reserved a couple spots in abort stack
-
- str lr, [r13] @ save caller lr / spsr
- mrs lr, spsr
- str lr, [r13, #4]
-
- mov r13, #MODE_SVC @ prepare SVC-Mode
- msr spsr_c, r13
- mov lr, pc
- movs pc, lr
- .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
-
-
-/****************************************************************************/
-/* */
-/* exception handlers */
-/* */
-/****************************************************************************/
-
- .align 5
-undefined_instruction:
- get_bad_stack
- bad_save_user_regs
- bl do_undefined_instruction
-
- .align 5
-software_interrupt:
- get_bad_stack
- 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
- irq_save_user_regs /* someone ought to write a more */
- bl do_fiq /* effiction fiq_save_user_regs */
- irq_restore_user_regs
-
-#else /* !CONFIG_USE_IRQ */
-
- .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 /* CONFIG_USE_IRQ */
-
-/****************************************************************************/
-/* */
-/* Reset function: the PXA250 doesn't have a reset function, so we have to */
-/* perform a watchdog timeout for a soft reset. */
-/* */
-/****************************************************************************/
-
- .align 5
-.globl reset_cpu
-
- /* FIXME: this code is PXA250 specific. How is this handled on */
- /* other XScale processors? */
-
-reset_cpu:
-
- /* We set OWE:WME (watchdog enable) and wait until timeout happens */
-
- ldr r0, OSTIMER_BASE
- ldr r1, [r0, #OWER]
- orr r1, r1, #0x0001 /* bit0: WME */
- str r1, [r0, #OWER]
-
- /* OS timer does only wrap every 1165 seconds, so we have to set */
- /* the match register as well. */
-
- ldr r1, [r0, #OSCR] /* read OS timer */
- add r1, r1, #0x800 /* let OSMR3 match after */
- add r1, r1, #0x800 /* 4096*(1/3.6864MHz)=1ms */
- str r1, [r0, #OSMR3]
-
-reset_endless:
-
- b reset_endless
diff --git a/cpu/pxa/timer.c b/cpu/pxa/timer.c
deleted file mode 100644
index 8d0f826..0000000
--- a/cpu/pxa/timer.c
+++ /dev/null
@@ -1,128 +0,0 @@
-/*
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
- *
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Alex Zuepke <azu@sysgo.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/pxa-regs.h>
-#include <div64.h>
-
-#ifdef CONFIG_USE_IRQ
-#error: interrupts not implemented yet
-#endif
-
-#if defined(CONFIG_PXA27X) || defined(CONFIG_CPU_MONAHANS)
-#define TIMER_FREQ_HZ 3250000
-#elif defined(CONFIG_PXA250)
-#define TIMER_FREQ_HZ 3686400
-#else
-#error "Timer frequency unknown - please config PXA CPU type"
-#endif
-
-static inline unsigned long long tick_to_time(unsigned long long tick)
-{
- tick *= CONFIG_SYS_HZ;
- do_div(tick, TIMER_FREQ_HZ);
- return tick;
-}
-
-static inline unsigned long long us_to_tick(unsigned long long us)
-{
- us = us * TIMER_FREQ_HZ + 999999;
- do_div(us, 1000000);
- return us;
-}
-
-int timer_init (void)
-{
- reset_timer();
-
- return 0;
-}
-
-void reset_timer (void)
-{
- reset_timer_masked ();
-}
-
-ulong get_timer (ulong base)
-{
- return get_timer_masked () - base;
-}
-
-void set_timer (ulong t)
-{
- /* nop */
-}
-
-void __udelay (unsigned long usec)
-{
- udelay_masked (usec);
-}
-
-
-void reset_timer_masked (void)
-{
- OSCR = 0;
-}
-
-ulong get_timer_masked (void)
-{
- return tick_to_time(get_ticks());
-}
-
-void udelay_masked (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*/;
-
-}
-
-/*
- * 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 OSCR;
-}
-
-/*
- * 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 = TIMER_FREQ_HZ;
- return tbclk;
-}
diff --git a/cpu/pxa/u-boot.lds b/cpu/pxa/u-boot.lds
deleted file mode 100644
index 77ab3c9..0000000
--- a/cpu/pxa/u-boot.lds
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- * (C) Copyright 2000-2005
- * 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
- */
-
-OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
-OUTPUT_ARCH(arm)
-ENTRY(_start)
-SECTIONS
-{
- . = 0x00000000;
-
- . = ALIGN(4);
- .text :
- {
- cpu/pxa/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 = .;
-}
diff --git a/cpu/pxa/usb.c b/cpu/pxa/usb.c
deleted file mode 100644
index bd718a6..0000000
--- a/cpu/pxa/usb.c
+++ /dev/null
@@ -1,112 +0,0 @@
-/*
- * (C) Copyright 2006
- * Markus Klotzbuecher, DENX Software Engineering <mk@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>
-
-#if defined(CONFIG_USB_OHCI_NEW) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT)
-# if defined(CONFIG_CPU_MONAHANS) || defined(CONFIG_PXA27X)
-
-#include <asm/arch/pxa-regs.h>
-#include <usb.h>
-
-int usb_cpu_init(void)
-{
-#if defined(CONFIG_CPU_MONAHANS)
- /* Enable USB host clock. */
- CKENA |= (CKENA_2_USBHOST | CKENA_20_UDC);
- udelay(100);
-#endif
-#if defined(CONFIG_PXA27X)
- /* Enable USB host clock. */
- CKEN |= CKEN10_USBHOST;
-#endif
-
-#if defined(CONFIG_CPU_MONAHANS)
- /* Configure Port 2 for Host (USB Client Registers) */
- UP2OCR = 0x3000c;
-#endif
-
- UHCHR |= UHCHR_FHR;
- wait_ms(11);
- UHCHR &= ~UHCHR_FHR;
-
- UHCHR |= UHCHR_FSBIR;
- while (UHCHR & UHCHR_FSBIR)
- udelay(1);
-
-#if defined(CONFIG_CPU_MONAHANS)
- UHCHR &= ~UHCHR_SSEP0;
-#endif
-#if defined(CONFIG_PXA27X)
- UHCHR &= ~UHCHR_SSEP2;
-#endif
- UHCHR &= ~UHCHR_SSEP1;
- UHCHR &= ~UHCHR_SSE;
-
- return 0;
-}
-
-int usb_cpu_stop(void)
-{
- UHCHR |= UHCHR_FHR;
- udelay(11);
- UHCHR &= ~UHCHR_FHR;
-
- UHCCOMS |= 1;
- udelay(10);
-
-#if defined(CONFIG_CPU_MONAHANS)
- UHCHR |= UHCHR_SSEP0;
-#endif
-#if defined(CONFIG_PXA27X)
- UHCHR |= UHCHR_SSEP2;
-#endif
- UHCHR |= UHCHR_SSEP1;
- UHCHR |= UHCHR_SSE;
-
- return 0;
-}
-
-int usb_cpu_init_fail(void)
-{
- UHCHR |= UHCHR_FHR;
- udelay(11);
- UHCHR &= ~UHCHR_FHR;
-
- UHCCOMS |= 1;
- udelay(10);
-
-#if defined(CONFIG_CPU_MONAHANS)
- UHCHR |= UHCHR_SSEP0;
-#endif
-#if defined(CONFIG_PXA27X)
- UHCHR |= UHCHR_SSEP2;
-#endif
- UHCHR |= UHCHR_SSEP1;
- UHCHR |= UHCHR_SSE;
-
- return 0;
-}
-
-# endif /* defined(CONFIG_CPU_MONAHANS) || defined(CONFIG_PXA27X) */
-#endif /* defined(CONFIG_USB_OHCI) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT) */