[PATCH] ARM: 2807/1: OMAP update 7a/11: Move arch-omap to plat-omap

Patch from Tony Lindgren

This patch move common OMAP code from arch-omap to plat-omap
directory.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-omap/Kconfig

-if ARCH_OMAP
-
-menu "TI OMAP Implementations"
-
-config ARCH_OMAP_OTG
-	bool
-
-choice
-	prompt "OMAP System Type"
-	default ARCH_OMAP1
-
-config ARCH_OMAP1
-	bool "TI OMAP1"
-
-config ARCH_OMAP2
-	bool "TI OMAP2"
-
-endchoice
-
-comment "OMAP Feature Selections"
-
-config OMAP_MUX
-	bool "OMAP multiplexing support"
-        depends on ARCH_OMAP
-	default y
-        help
-          Pin multiplexing support for OMAP boards. If your bootloader
-          sets the multiplexing correctly, say N. Otherwise, or if unsure,
-          say Y.
-
-config OMAP_MUX_DEBUG
-	bool "Multiplexing debug output"
-        depends on OMAP_MUX
-        default n
-        help
-          Makes the multiplexing functions print out a lot of debug info.
-          This is useful if you want to find out the correct values of the
-          multiplexing registers.
-
-config OMAP_MUX_WARNINGS
-	bool "Warn about pins the bootloader didn't set up"
-        depends on OMAP_MUX
-        default y
-        help
-	  Choose Y here to warn whenever driver initialization logic needs
-	  to change the pin multiplexing setup.  When there are no warnings
-	  printed, it's safe to deselect OMAP_MUX for your product.
-
-choice
-        prompt "System timer"
-	default OMAP_MPU_TIMER
-
-config OMAP_MPU_TIMER
-	bool "Use mpu timer"
-	help
-	  Select this option if you want to use the OMAP mpu timer. This
-	  timer provides more intra-tick resolution than the 32KHz timer,
-	  but consumes more power.
-
-config OMAP_32K_TIMER
-	bool "Use 32KHz timer"
-	depends on ARCH_OMAP16XX
-	help
-	  Select this option if you want to enable the OMAP 32KHz timer.
-	  This timer saves power compared to the OMAP_MPU_TIMER, and has
-	  support for no tick during idle. The 32KHz timer provides less
-	  intra-tick resolution than OMAP_MPU_TIMER. The 32KHz timer is
-	  currently only available for OMAP-16xx.
-
-endchoice
-
-config OMAP_32K_TIMER_HZ
-       int "Kernel internal timer frequency for 32KHz timer"
-       range 32 1024
-       depends on OMAP_32K_TIMER
-       default "128"
-       help
-	  Kernel internal timer frequency should be a divisor of 32768,
-	  such as 64 or 128.
-
-choice
-	prompt "Low-level debug console UART"
-	depends on ARCH_OMAP
-	default OMAP_LL_DEBUG_UART1
-
-config OMAP_LL_DEBUG_UART1
-	bool "UART1"
-
-config OMAP_LL_DEBUG_UART2
-	bool "UART2"
-
-config OMAP_LL_DEBUG_UART3
-	bool "UART3"
-
-endchoice
-
-endmenu
-
-endif

arch/arm/mach-omap/Makefile

-#
-# Makefile for the linux kernel.
-#
-
-# Common support
-obj-y := common.o dma.o clock.o mux.o gpio.o mcbsp.o usb.o
-obj-m :=
-obj-n :=
-obj-  :=
-
-# OCPI interconnect support for 1710, 1610 and 5912
-obj-$(CONFIG_ARCH_OMAP16XX) += ocpi.o
-
-# Power Management
-obj-$(CONFIG_PM) += pm.o sleep.o
-

arch/arm/mach-omap/common.c

-/*
- * linux/arch/arm/mach-omap/common.c
- *
- * Code common to all OMAP machines.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-#include <linux/config.h>
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/pm.h>
-#include <linux/console.h>
-#include <linux/serial.h>
-#include <linux/tty.h>
-#include <linux/serial_8250.h>
-#include <linux/serial_reg.h>
-
-#include <asm/hardware.h>
-#include <asm/system.h>
-#include <asm/pgtable.h>
-#include <asm/mach/map.h>
-#include <asm/hardware/clock.h>
-#include <asm/io.h>
-#include <asm/mach-types.h>
-
-#include <asm/arch/board.h>
-#include <asm/arch/mux.h>
-#include <asm/arch/fpga.h>
-
-#include "clock.h"
-
-#define NO_LENGTH_CHECK 0xffffffff
-
-extern int omap_bootloader_tag_len;
-extern u8 omap_bootloader_tag[];
-
-struct omap_board_config_kernel *omap_board_config;
-int omap_board_config_size = 0;
-
-static const void *get_config(u16 tag, size_t len, int skip, size_t *len_out)
-{
-	struct omap_board_config_kernel *kinfo = NULL;
-	int i;
-
-#ifdef CONFIG_OMAP_BOOT_TAG
-	struct omap_board_config_entry *info = NULL;
-
-	if (omap_bootloader_tag_len > 4)
-		info = (struct omap_board_config_entry *) omap_bootloader_tag;
-	while (info != NULL) {
-		u8 *next;
-
-		if (info->tag == tag) {
-			if (skip == 0)
-				break;
-			skip--;
-		}
-
-		if ((info->len & 0x03) != 0) {
-			/* We bail out to avoid an alignment fault */
-			printk(KERN_ERR "OMAP peripheral config: Length (%d) not word-aligned (tag %04x)\n",
-			       info->len, info->tag);
-			return NULL;
-		}
-		next = (u8 *) info + sizeof(*info) + info->len;
-		if (next >= omap_bootloader_tag + omap_bootloader_tag_len)
-			info = NULL;
-		else
-			info = (struct omap_board_config_entry *) next;
-	}
-	if (info != NULL) {
-		/* Check the length as a lame attempt to check for
-		 * binary inconsistancy. */
-		if (len != NO_LENGTH_CHECK) {
-			/* Word-align len */
-			if (len & 0x03)
-				len = (len + 3) & ~0x03;
-			if (info->len != len) {
-				printk(KERN_ERR "OMAP peripheral config: Length mismatch with tag %x (want %d, got %d)\n",
-				       tag, len, info->len);
-				return NULL;
-			}
-		}
-		if (len_out != NULL)
-			*len_out = info->len;
-		return info->data;
-	}
-#endif
-	/* Try to find the config from the board-specific structures
-	 * in the kernel. */
-	for (i = 0; i < omap_board_config_size; i++) {
-		if (omap_board_config[i].tag == tag) {
-			kinfo = &omap_board_config[i];
-			break;
-		}
-	}
-	if (kinfo == NULL)
-		return NULL;
-	return kinfo->data;
-}
-
-const void *__omap_get_config(u16 tag, size_t len, int nr)
-{
-        return get_config(tag, len, nr, NULL);
-}
-EXPORT_SYMBOL(__omap_get_config);
-
-const void *omap_get_var_config(u16 tag, size_t *len)
-{
-        return get_config(tag, NO_LENGTH_CHECK, 0, len);
-}
-EXPORT_SYMBOL(omap_get_var_config);
-
-static int __init omap_add_serial_console(void)
-{
-	const struct omap_serial_console_config *info;
-
-	info = omap_get_config(OMAP_TAG_SERIAL_CONSOLE,
-			       struct omap_serial_console_config);
-	if (info != NULL && info->console_uart) {
-		static char speed[11], *opt = NULL;
-
-		if (info->console_speed) {
-			snprintf(speed, sizeof(speed), "%u", info->console_speed);
-			opt = speed;
-		}
-		return add_preferred_console("ttyS", info->console_uart - 1, opt);
-	}
-	return 0;
-}
-console_initcall(omap_add_serial_console);

arch/arm/mach-omap/common.h

-/*
- * linux/arch/arm/mach-omap/common.h
- *
- * Header for code common to all OMAP machines.
- *
- * 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
- * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * 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.
- */
-
-#ifndef __ARCH_ARM_MACH_OMAP_COMMON_H
-#define __ARCH_ARM_MACH_OMAP_COMMON_H
-
-struct sys_timer;
-
-extern void omap_map_common_io(void);
-extern struct sys_timer omap_timer;
-extern void omap_serial_init(int ports[]);
-
-#endif /* __ARCH_ARM_MACH_OMAP_COMMON_H */

arch/arm/mach-omap/mux.c

-/*
- * linux/arch/arm/mach-omap/mux.c
- *
- * Utility to set the Omap MUX and PULL_DWN registers from a table in mux.h
- *
- * Copyright (C) 2003 Nokia Corporation
- *
- * Written by Tony Lindgren <tony.lindgren@nokia.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-#include <linux/config.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <asm/system.h>
-#include <asm/io.h>
-#include <linux/spinlock.h>
-
-#define __MUX_C__
-#include <asm/arch/mux.h>
-
-#ifdef CONFIG_OMAP_MUX
-
-/*
- * Sets the Omap MUX and PULL_DWN registers based on the table
- */
-int __init_or_module
-omap_cfg_reg(const reg_cfg_t reg_cfg)
-{
-	static DEFINE_SPINLOCK(mux_spin_lock);
-
-	unsigned long flags;
-	reg_cfg_set *cfg;
-	unsigned int reg_orig = 0, reg = 0, pu_pd_orig = 0, pu_pd = 0,
-		pull_orig = 0, pull = 0;
-	unsigned int mask, warn = 0;
-
-	if (reg_cfg > ARRAY_SIZE(reg_cfg_table)) {
-		printk(KERN_ERR "MUX: reg_cfg %d\n", reg_cfg);
-		return -EINVAL;
-	}
-
-	cfg = &reg_cfg_table[reg_cfg];
-
-	/*
-	 * We do a pretty long section here with lock on, but pin muxing
-	 * should only happen on driver init for each driver, so it's not time
-	 * critical.
-	 */
-	spin_lock_irqsave(&mux_spin_lock, flags);
-
-	/* Check the mux register in question */
-	if (cfg->mux_reg) {
-		unsigned	tmp1, tmp2;
-
-		reg_orig = omap_readl(cfg->mux_reg);
-
-		/* The mux registers always seem to be 3 bits long */
-		mask = (0x7 << cfg->mask_offset);
-		tmp1 = reg_orig & mask;
-		reg = reg_orig & ~mask;
-
-		tmp2 = (cfg->mask << cfg->mask_offset);
-		reg |= tmp2;
-
-		if (tmp1 != tmp2)
-			warn = 1;
-
-		omap_writel(reg, cfg->mux_reg);
-	}
-
-	/* Check for pull up or pull down selection on 1610 */
-	if (!cpu_is_omap1510()) {
-		if (cfg->pu_pd_reg && cfg->pull_val) {
-			pu_pd_orig = omap_readl(cfg->pu_pd_reg);
-			mask = 1 << cfg->pull_bit;
-
-			if (cfg->pu_pd_val) {
-				if (!(pu_pd_orig & mask))
-					warn = 1;
-				/* Use pull up */
-				pu_pd = pu_pd_orig | mask;
-			} else {
-				if (pu_pd_orig & mask)
-					warn = 1;
-				/* Use pull down */
-				pu_pd = pu_pd_orig & ~mask;
-			}
-			omap_writel(pu_pd, cfg->pu_pd_reg);
-		}
-	}
-
-	/* Check for an associated pull down register */
-	if (cfg->pull_reg) {
-		pull_orig = omap_readl(cfg->pull_reg);
-		mask = 1 << cfg->pull_bit;
-
-		if (cfg->pull_val) {
-			if (pull_orig & mask)
-				warn = 1;
-			/* Low bit = pull enabled */
-			pull = pull_orig & ~mask;
-		} else {
-			if (!(pull_orig & mask))
-				warn = 1;
-			/* High bit = pull disabled */
-			pull = pull_orig | mask;
-		}
-
-		omap_writel(pull, cfg->pull_reg);
-	}
-
-	if (warn) {
-#ifdef CONFIG_OMAP_MUX_WARNINGS
-		printk(KERN_WARNING "MUX: initialized %s\n", cfg->name);
-#endif
-	}
-
-#ifdef CONFIG_OMAP_MUX_DEBUG
-	if (cfg->debug || warn) {
-		printk("MUX: Setting register %s\n", cfg->name);
-		printk("      %s (0x%08x) = 0x%08x -> 0x%08x\n",
-		       cfg->mux_reg_name, cfg->mux_reg, reg_orig, reg);
-
-		if (!cpu_is_omap1510()) {
-			if (cfg->pu_pd_reg && cfg->pull_val) {
-				printk("      %s (0x%08x) = 0x%08x -> 0x%08x\n",
-				       cfg->pu_pd_name, cfg->pu_pd_reg,
-				       pu_pd_orig, pu_pd);
-			}
-		}
-
-		if (cfg->pull_reg)
-			printk("      %s (0x%08x) = 0x%08x -> 0x%08x\n",
-			       cfg->pull_name, cfg->pull_reg, pull_orig, pull);
-	}
-#endif
-
-	spin_unlock_irqrestore(&mux_spin_lock, flags);
-
-#ifdef CONFIG_OMAP_MUX_ERRORS
-	return warn ? -ETXTBSY : 0;
-#else
-	return 0;
-#endif
-}
-
-EXPORT_SYMBOL(omap_cfg_reg);
-
-#endif	/* CONFIG_OMAP_MUX */

arch/arm/mach-omap/ocpi.c

-/*
- * linux/arch/arm/mach-omap/ocpi.c
- *
- * Minimal OCP bus support for omap16xx
- *
- * Copyright (C) 2003 - 2005 Nokia Corporation
- * Written by Tony Lindgren <tony@atomide.com>
- *
- * Modified for clock framework by Paul Mundt <paul.mundt@nokia.com>.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#include <linux/config.h>
-#include <linux/module.h>
-#include <linux/version.h>
-#include <linux/types.h>
-#include <linux/errno.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/spinlock.h>
-#include <linux/err.h>
-
-#include <asm/io.h>
-#include <asm/hardware/clock.h>
-#include <asm/arch/hardware.h>
-
-#define OCPI_BASE		0xfffec320
-#define OCPI_FAULT		(OCPI_BASE + 0x00)
-#define OCPI_CMD_FAULT		(OCPI_BASE + 0x04)
-#define OCPI_SINT0		(OCPI_BASE + 0x08)
-#define OCPI_TABORT		(OCPI_BASE + 0x0c)
-#define OCPI_SINT1		(OCPI_BASE + 0x10)
-#define OCPI_PROT		(OCPI_BASE + 0x14)
-#define OCPI_SEC		(OCPI_BASE + 0x18)
-
-/* USB OHCI OCPI access error registers */
-#define HOSTUEADDR	0xfffba0e0
-#define HOSTUESTATUS	0xfffba0e4
-
-static struct clk *ocpi_ck;
-
-/*
- * Enables device access to OMAP buses via the OCPI bridge
- * FIXME: Add locking
- */
-int ocpi_enable(void)
-{
-	unsigned int val;
-
-	if (!cpu_is_omap16xx())
-		return -ENODEV;
-
-	/* Make sure there's clock for OCPI */
-	clk_enable(ocpi_ck);
-
-	/* Enable access for OHCI in OCPI */
-	val = omap_readl(OCPI_PROT);
-	val &= ~0xff;
-	//val &= (1 << 0);	/* Allow access only to EMIFS */
-	omap_writel(val, OCPI_PROT);
-
-	val = omap_readl(OCPI_SEC);
-	val &= ~0xff;
-	omap_writel(val, OCPI_SEC);
-
-	return 0;
-}
-EXPORT_SYMBOL(ocpi_enable);
-
-static int __init omap_ocpi_init(void)
-{
-	if (!cpu_is_omap16xx())
-		return -ENODEV;
-
-	ocpi_ck = clk_get(NULL, "l3_ocpi_ck");
-	if (IS_ERR(ocpi_ck))
-		return PTR_ERR(ocpi_ck);
-
-	clk_use(ocpi_ck);
-	ocpi_enable();
-	printk("OMAP OCPI interconnect driver loaded\n");
-
-	return 0;
-}
-
-static void __exit omap_ocpi_exit(void)
-{
-	/* REVISIT: Disable OCPI */
-
-	if (!cpu_is_omap16xx())
-		return;
-
-	clk_unuse(ocpi_ck);
-	clk_put(ocpi_ck);
-}
-
-MODULE_AUTHOR("Tony Lindgren <tony@atomide.com>");
-MODULE_DESCRIPTION("OMAP OCPI bus controller module");
-MODULE_LICENSE("GPL");
-module_init(omap_ocpi_init);
-module_exit(omap_ocpi_exit);