Merge branch 'next/cleanup2' into HEAD

Conflicts:
	arch/arm/Kconfig
	arch/arm/Makefile
	arch/arm/mach-bcmring/arch.c
	arch/arm/mach-tegra/devices.c
	arch/arm/mach-tegra/dma.c

MAINTAINERS

@@ -657,22 +657,6 @@ W:	http://www.linux4sam.org
 S:	Supported
 F:	arch/arm/mach-at91/
 
-ARM/BCMRING ARM ARCHITECTURE
-M:	Jiandong Zheng <jdzheng@broadcom.com>
-M:	Scott Branden <sbranden@broadcom.com>
-L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-S:	Maintained
-F:	arch/arm/mach-bcmring
-
-ARM/BCMRING MTD NAND DRIVER
-M:	Jiandong Zheng <jdzheng@broadcom.com>
-M:	Scott Branden <sbranden@broadcom.com>
-L:	linux-mtd@lists.infradead.org
-S:	Maintained
-F:	drivers/mtd/nand/bcm_umi_nand.c
-F:	drivers/mtd/nand/bcm_umi_bch.c
-F:	drivers/mtd/nand/nand_bcm_umi.h
-
 ARM/CALXEDA HIGHBANK ARCHITECTURE
 M:	Rob Herring <rob.herring@calxeda.com>
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)

arch/arm/Kconfig

@@ -364,18 +364,6 @@ config ARCH_BCM2835
 	  This enables support for the Broadcom BCM2835 SoC. This SoC is
 	  use in the Raspberry Pi, and Roku 2 devices.
 
-config ARCH_BCMRING
-	bool "Broadcom BCMRING"
-	depends on MMU
-	select CPU_V6
-	select ARM_AMBA
-	select ARM_TIMER_SP804
-	select CLKDEV_LOOKUP
-	select GENERIC_CLOCKEVENTS
-	select ARCH_WANT_OPTIONAL_GPIOLIB
-	help
-	  Support for Broadcom's BCMRing platform.
-
 config ARCH_HIGHBANK
 	bool "Calxeda Highbank-based"
 	select ARCH_WANT_OPTIONAL_GPIOLIB
@@ -398,6 +386,8 @@ config ARCH_CLPS711X
 	bool "Cirrus Logic CLPS711x/EP721x/EP731x-based"
 	select CPU_ARM720T
 	select ARCH_USES_GETTIMEOFFSET
+	select COMMON_CLK
+	select CLKDEV_LOOKUP
 	select NEED_MACH_MEMORY_H
 	help
 	  Support for Cirrus Logic 711x/721x/731x based boards.
@@ -1033,8 +1023,6 @@ source "arch/arm/mach-mvebu/Kconfig"
 
 source "arch/arm/mach-at91/Kconfig"
 
-source "arch/arm/mach-bcmring/Kconfig"
-
 source "arch/arm/mach-clps711x/Kconfig"
 
 source "arch/arm/mach-cns3xxx/Kconfig"

arch/arm/Makefile

@@ -137,7 +137,6 @@ textofs-$(CONFIG_ARCH_MSM8960) := 0x00208000
 # by CONFIG_* macro name.
 machine-$(CONFIG_ARCH_AT91)		:= at91
 machine-$(CONFIG_ARCH_BCM2835)		:= bcm2835
-machine-$(CONFIG_ARCH_BCMRING)		:= bcmring
 machine-$(CONFIG_ARCH_CLPS711X)		:= clps711x
 machine-$(CONFIG_ARCH_CNS3XXX)		:= cns3xxx
 machine-$(CONFIG_ARCH_DAVINCI)		:= davinci

arch/arm/configs/bcmring_defconfig

-CONFIG_EXPERIMENTAL=y
-# CONFIG_LOCALVERSION_AUTO is not set
-# CONFIG_SWAP is not set
-CONFIG_SYSVIPC=y
-CONFIG_EXPERT=y
-CONFIG_KALLSYMS_EXTRA_PASS=y
-# CONFIG_HOTPLUG is not set
-# CONFIG_ELF_CORE is not set
-# CONFIG_EPOLL is not set
-# CONFIG_SIGNALFD is not set
-# CONFIG_TIMERFD is not set
-# CONFIG_EVENTFD is not set
-# CONFIG_AIO is not set
-CONFIG_PERF_EVENTS=y
-# CONFIG_VM_EVENT_COUNTERS is not set
-# CONFIG_SLUB_DEBUG is not set
-# CONFIG_COMPAT_BRK is not set
-CONFIG_MODULES=y
-CONFIG_MODULE_UNLOAD=y
-# CONFIG_BLK_DEV_BSG is not set
-# CONFIG_IOSCHED_DEADLINE is not set
-# CONFIG_IOSCHED_CFQ is not set
-CONFIG_ARCH_BCMRING=y
-CONFIG_BCM_ZRELADDR=0x8000
-CONFIG_CPU_32v6K=y
-CONFIG_NO_HZ=y
-CONFIG_PREEMPT=y
-CONFIG_AEABI=y
-# CONFIG_OABI_COMPAT is not set
-CONFIG_UACCESS_WITH_MEMCPY=y
-CONFIG_ZBOOT_ROM_TEXT=0x0e000000
-CONFIG_ZBOOT_ROM_BSS=0x0ea00000
-CONFIG_ZBOOT_ROM=y
-CONFIG_NET=y
-# CONFIG_WIRELESS is not set
-CONFIG_MTD=y
-CONFIG_MTD_CONCAT=y
-CONFIG_MTD_PARTITIONS=y
-CONFIG_MTD_CMDLINE_PARTS=y
-CONFIG_MTD_CHAR=y
-CONFIG_MTD_BLOCK=y
-CONFIG_MTD_CFI=y
-CONFIG_MTD_CFI_ADV_OPTIONS=y
-CONFIG_MTD_CFI_GEOMETRY=y
-# CONFIG_MTD_CFI_I2 is not set
-CONFIG_MTD_NAND=y
-CONFIG_MTD_NAND_VERIFY_WRITE=y
-CONFIG_MTD_NAND_BCM_UMI=y
-CONFIG_MTD_NAND_BCM_UMI_HWCS=y
-# CONFIG_MISC_DEVICES is not set
-# CONFIG_INPUT_MOUSEDEV is not set
-# CONFIG_INPUT_KEYBOARD is not set
-# CONFIG_INPUT_MOUSE is not set
-# CONFIG_SERIO is not set
-# CONFIG_CONSOLE_TRANSLATIONS is not set
-# CONFIG_DEVKMEM is not set
-CONFIG_SERIAL_AMBA_PL011=y
-CONFIG_SERIAL_AMBA_PL011_CONSOLE=y
-CONFIG_LEGACY_PTY_COUNT=64
-# CONFIG_HW_RANDOM is not set
-# CONFIG_HWMON is not set
-# CONFIG_VGA_CONSOLE is not set
-# CONFIG_HID_SUPPORT is not set
-# CONFIG_USB_SUPPORT is not set
-# CONFIG_FILE_LOCKING is not set
-# CONFIG_DNOTIFY is not set
-# CONFIG_INOTIFY_USER is not set
-# CONFIG_PROC_PAGE_MONITOR is not set
-CONFIG_TMPFS=y
-CONFIG_JFFS2_FS=y
-CONFIG_JFFS2_SUMMARY=y
-CONFIG_JFFS2_FS_XATTR=y
-# CONFIG_JFFS2_FS_SECURITY is not set
-# CONFIG_NETWORK_FILESYSTEMS is not set
-# CONFIG_ENABLE_WARN_DEPRECATED is not set
-CONFIG_MAGIC_SYSRQ=y
-CONFIG_HEADERS_CHECK=y
-# CONFIG_RCU_CPU_STALL_DETECTOR is not set
-# CONFIG_ARM_UNWIND is not set

arch/arm/mach-bcmring/Kconfig

-choice
-	prompt "Processor selection in BCMRING family of devices"
-	depends on ARCH_BCMRING
-	default ARCH_BCM11107
-
-config ARCH_FPGA11107
-	bool "FPGA11107"
-
-config ARCH_BCM11107
-	bool "BCM11107"
-endchoice
-
-menu "BCMRING Options"
-	depends on ARCH_BCMRING
-
-config BCM_ZRELADDR
-	hex "Compressed ZREL ADDR"
-
-endmenu

arch/arm/mach-bcmring/Makefile

-#
-# Makefile for the linux kernel.
-#
-
-# Object file lists.
-
-obj-y := arch.o mm.o irq.o clock.o core.o timer.o dma.o
-obj-y += csp/

arch/arm/mach-bcmring/Makefile.boot

-# Address where decompressor will be written and eventually executed.
-#
-# default to SDRAM
-zreladdr-y      += $(CONFIG_BCM_ZRELADDR)
-params_phys-y   := 0x00000800
-

arch/arm/mach-bcmring/arch.c

-/*****************************************************************************
-* Copyright 2003 - 2008 Broadcom Corporation.  All rights reserved.
-*
-* Unless you and Broadcom execute a separate written software license
-* agreement governing use of this software, this software is licensed to you
-* under the terms of the GNU General Public License version 2, available at
-* http://www.broadcom.com/licenses/GPLv2.php (the "GPL").
-*
-* Notwithstanding the above, under no circumstances may you combine this
-* software in any way with any other Broadcom software provided under a
-* license other than the GPL, without Broadcom's express prior written
-* consent.
-*****************************************************************************/
-
-#include <linux/kernel.h>
-#include <linux/platform_device.h>
-#include <linux/types.h>
-#include <linux/sched.h>
-#include <linux/interrupt.h>
-#include <linux/init.h>
-#include <linux/errno.h>
-#include <linux/spinlock.h>
-#include <linux/module.h>
-
-#include <linux/proc_fs.h>
-#include <linux/sysctl.h>
-
-#include <asm/irq.h>
-#include <asm/setup.h>
-#include <asm/mach-types.h>
-#include <asm/mach/time.h>
-
-#include <asm/mach/arch.h>
-#include <mach/dma.h>
-#include <mach/hardware.h>
-#include <mach/csp/mm_io.h>
-#include <mach/csp/chipcHw_def.h>
-#include <mach/csp/chipcHw_inline.h>
-
-#include <mach/cfg_global.h>
-
-#include "core.h"
-
-HW_DECLARE_SPINLOCK(arch)
-HW_DECLARE_SPINLOCK(gpio)
-#if defined(CONFIG_DEBUG_SPINLOCK)
-    EXPORT_SYMBOL(bcmring_gpio_reg_lock);
-#endif
-
-/* sysctl */
-static int bcmring_arch_warm_reboot;	/* do a warm reboot on hard reset */
-
-static void bcmring_restart(char mode, const char *cmd)
-{
-	printk("arch_reset:%c %x\n", mode, bcmring_arch_warm_reboot);
-
-	if (mode == 'h') {
-		/* Reboot configured in proc entry */
-		if (bcmring_arch_warm_reboot) {
-			printk("warm reset\n");
-			/* Issue Warm reset (do not reset ethernet switch, keep alive) */
-			chipcHw_reset(chipcHw_REG_SOFT_RESET_CHIP_WARM);
-		} else {
-			/* Force reset of everything */
-			printk("force reset\n");
-			chipcHw_reset(chipcHw_REG_SOFT_RESET_CHIP_SOFT);
-		}
-	} else {
-		/* Force reset of everything */
-		printk("force reset\n");
-		chipcHw_reset(chipcHw_REG_SOFT_RESET_CHIP_SOFT);
-	}
-}
-
-static struct ctl_table_header *bcmring_sysctl_header;
-
-static struct ctl_table bcmring_sysctl_warm_reboot[] = {
-	{
-	 .procname = "warm",
-	 .data = &bcmring_arch_warm_reboot,
-	 .maxlen = sizeof(int),
-	 .mode = 0644,
-	 .proc_handler = proc_dointvec},
-	{}
-};
-
-static struct ctl_table bcmring_sysctl_reboot[] = {
-	{
-	 .procname = "reboot",
-	 .mode = 0555,
-	 .child = bcmring_sysctl_warm_reboot},
-	{}
-};
-
-static struct resource nand_resource[] = {
-	[0] = {
-		.start = MM_ADDR_IO_NAND,
-		.end = MM_ADDR_IO_NAND + 0x1000 - 1,
-		.flags = IORESOURCE_MEM,
-	},
-};
-
-static struct platform_device nand_device = {
-	.name = "bcm-nand",
-	.id = -1,
-	.resource = nand_resource,
-	.num_resources	= ARRAY_SIZE(nand_resource),
-};
-
-static struct resource pmu_resource = {
-	.start	= IRQ_PMUIRQ,
-	.end	= IRQ_PMUIRQ,
-	.flags	= IORESOURCE_IRQ,
-};
-
-static struct platform_device pmu_device = {
-	.name		= "arm-pmu",
-	.id		= -1,
-	.resource	= &pmu_resource,
-	.num_resources	= 1,
-};
-
-
-static struct platform_device *devices[] __initdata = {
-	&nand_device,
-	&pmu_device,
-};
-
-/****************************************************************************
-*
-*   Called from the customize_machine function in arch/arm/kernel/setup.c
-*
-*   The customize_machine function is tagged as an arch_initcall
-*   (see include/linux/init.h for the order that the various init sections
-*   are called in.
-*
-*****************************************************************************/
-static void __init bcmring_init_machine(void)
-{
-
-	bcmring_sysctl_header = register_sysctl_table(bcmring_sysctl_reboot);
-
-	/* Enable spread spectrum */
-	chipcHw_enableSpreadSpectrum();
-
-	platform_add_devices(devices, ARRAY_SIZE(devices));
-
-	bcmring_amba_init();
-
-	dma_init();
-}
-
-/****************************************************************************
-*
-*   Called from setup_arch (in arch/arm/kernel/setup.c) to fixup any tags
-*   passed in by the boot loader.
-*
-*****************************************************************************/
-
-static void __init bcmring_fixup(struct tag *t, char **cmdline,
-	struct meminfo *mi) {
-#ifdef CONFIG_BLK_DEV_INITRD
-	printk(KERN_NOTICE "bcmring_fixup\n");
-	t->hdr.tag = ATAG_CORE;
-	t->hdr.size = tag_size(tag_core);
-	t->u.core.flags = 0;
-	t->u.core.pagesize = PAGE_SIZE;
-	t->u.core.rootdev = 31 << 8 | 0;
-	t = tag_next(t);
-
-	t->hdr.tag = ATAG_MEM;
-	t->hdr.size = tag_size(tag_mem32);
-	t->u.mem.start = CFG_GLOBAL_RAM_BASE;
-	t->u.mem.size = CFG_GLOBAL_RAM_SIZE;
-
-	t = tag_next(t);
-
-	t->hdr.tag = ATAG_NONE;
-	t->hdr.size = 0;
-#endif
-}
-
-/****************************************************************************
-*
-*   Machine Description
-*
-*****************************************************************************/
-
-MACHINE_START(BCMRING, "BCMRING")
-	/* Maintainer: Broadcom Corporation */
-	.fixup = bcmring_fixup,
-	.map_io = bcmring_map_io,
-	.init_early = bcmring_init_early,
-	.init_irq = bcmring_init_irq,
-	.timer = &bcmring_timer,
-	.init_machine = bcmring_init_machine,
-	.restart = bcmring_restart,
-MACHINE_END

arch/arm/mach-bcmring/clock.c

-/*****************************************************************************
-* Copyright 2001 - 2009 Broadcom Corporation.  All rights reserved.
-*
-* Unless you and Broadcom execute a separate written software license
-* agreement governing use of this software, this software is licensed to you
-* under the terms of the GNU General Public License version 2, available at
-* http://www.broadcom.com/licenses/GPLv2.php (the "GPL").
-*
-* Notwithstanding the above, under no circumstances may you combine this
-* software in any way with any other Broadcom software provided under a
-* license other than the GPL, without Broadcom's express prior written
-* consent.
-*****************************************************************************/
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/device.h>
-#include <linux/list.h>
-#include <linux/errno.h>
-#include <linux/err.h>
-#include <linux/string.h>
-#include <linux/clk.h>
-#include <linux/spinlock.h>
-#include <linux/clkdev.h>
-#include <mach/csp/hw_cfg.h>
-#include <mach/csp/chipcHw_def.h>
-#include <mach/csp/chipcHw_reg.h>
-#include <mach/csp/chipcHw_inline.h>
-
-#include "clock.h"
-
-#define clk_is_primary(x)       ((x)->type & CLK_TYPE_PRIMARY)
-#define clk_is_pll1(x)          ((x)->type & CLK_TYPE_PLL1)
-#define clk_is_pll2(x)          ((x)->type & CLK_TYPE_PLL2)
-#define clk_is_programmable(x)  ((x)->type & CLK_TYPE_PROGRAMMABLE)
-#define clk_is_bypassable(x)    ((x)->type & CLK_TYPE_BYPASSABLE)
-
-#define clk_is_using_xtal(x)    ((x)->mode & CLK_MODE_XTAL)
-
-static DEFINE_SPINLOCK(clk_lock);
-
-static void __clk_enable(struct clk *clk)
-{
-	if (!clk)
-		return;
-
-	/* enable parent clock first */
-	if (clk->parent)
-		__clk_enable(clk->parent);
-
-	if (clk->use_cnt++ == 0) {
-		if (clk_is_pll1(clk)) {	/* PLL1 */
-			chipcHw_pll1Enable(clk->rate_hz, 0);
-		} else if (clk_is_pll2(clk)) {	/* PLL2 */
-			chipcHw_pll2Enable(clk->rate_hz);
-		} else if (clk_is_using_xtal(clk)) {	/* source is crystal */
-			if (!clk_is_primary(clk))
-				chipcHw_bypassClockEnable(clk->csp_id);
-		} else {	/* source is PLL */
-			chipcHw_setClockEnable(clk->csp_id);
-		}
-	}
-}
-
-int clk_enable(struct clk *clk)
-{
-	unsigned long flags;
-
-	if (!clk)
-		return -EINVAL;
-
-	spin_lock_irqsave(&clk_lock, flags);
-	__clk_enable(clk);
-	spin_unlock_irqrestore(&clk_lock, flags);
-
-	return 0;
-}
-EXPORT_SYMBOL(clk_enable);
-
-static void __clk_disable(struct clk *clk)
-{
-	if (!clk)
-		return;
-
-	BUG_ON(clk->use_cnt == 0);
-
-	if (--clk->use_cnt == 0) {
-		if (clk_is_pll1(clk)) {	/* PLL1 */
-			chipcHw_pll1Disable();
-		} else if (clk_is_pll2(clk)) {	/* PLL2 */
-			chipcHw_pll2Disable();
-		} else if (clk_is_using_xtal(clk)) {	/* source is crystal */
-			if (!clk_is_primary(clk))
-				chipcHw_bypassClockDisable(clk->csp_id);
-		} else {	/* source is PLL */
-			chipcHw_setClockDisable(clk->csp_id);
-		}
-	}
-
-	if (clk->parent)
-		__clk_disable(clk->parent);
-}
-
-void clk_disable(struct clk *clk)
-{
-	unsigned long flags;
-
-	if (!clk)
-		return;
-
-	spin_lock_irqsave(&clk_lock, flags);
-	__clk_disable(clk);
-	spin_unlock_irqrestore(&clk_lock, flags);
-}
-EXPORT_SYMBOL(clk_disable);
-
-unsigned long clk_get_rate(struct clk *clk)
-{
-	if (!clk)
-		return 0;
-
-	return clk->rate_hz;
-}
-EXPORT_SYMBOL(clk_get_rate);
-
-long clk_round_rate(struct clk *clk, unsigned long rate)
-{
-	unsigned long flags;
-	unsigned long actual;
-	unsigned long rate_hz;
-
-	if (!clk)
-		return -EINVAL;
-
-	if (!clk_is_programmable(clk))
-		return -EINVAL;
-
-	if (clk->use_cnt)
-		return -EBUSY;
-
-	spin_lock_irqsave(&clk_lock, flags);
-	actual = clk->parent->rate_hz;
-	rate_hz = min(actual, rate);
-	spin_unlock_irqrestore(&clk_lock, flags);
-
-	return rate_hz;
-}
-EXPORT_SYMBOL(clk_round_rate);
-
-int clk_set_rate(struct clk *clk, unsigned long rate)
-{
-	unsigned long flags;
-	unsigned long actual;
-	unsigned long rate_hz;
-
-	if (!clk)
-		return -EINVAL;
-
-	if (!clk_is_programmable(clk))
-		return -EINVAL;
-
-	if (clk->use_cnt)
-		return -EBUSY;
-
-	spin_lock_irqsave(&clk_lock, flags);
-	actual = clk->parent->rate_hz;
-	rate_hz = min(actual, rate);
-	rate_hz = chipcHw_setClockFrequency(clk->csp_id, rate_hz);
-	clk->rate_hz = rate_hz;
-	spin_unlock_irqrestore(&clk_lock, flags);
-
-	return 0;
-}
-EXPORT_SYMBOL(clk_set_rate);
-
-struct clk *clk_get_parent(struct clk *clk)
-{
-	if (!clk)
-		return NULL;
-
-	return clk->parent;
-}
-EXPORT_SYMBOL(clk_get_parent);
-
-int clk_set_parent(struct clk *clk, struct clk *parent)
-{
-	unsigned long flags;
-	struct clk *old_parent;
-
-	if (!clk || !parent)
-		return -EINVAL;
-
-	if (!clk_is_primary(parent) || !clk_is_bypassable(clk))
-		return -EINVAL;
-
-	/* if more than one user, parent is not allowed */
-	if (clk->use_cnt > 1)
-		return -EBUSY;
-
-	if (clk->parent == parent)
-		return 0;
-
-	spin_lock_irqsave(&clk_lock, flags);
-	old_parent = clk->parent;
-	clk->parent = parent;
-	if (clk_is_using_xtal(parent))
-		clk->mode |= CLK_MODE_XTAL;
-	else
-		clk->mode &= (~CLK_MODE_XTAL);
-
-	/* if clock is active */
-	if (clk->use_cnt != 0) {
-		clk->use_cnt--;
-		/* enable clock with the new parent */
-		__clk_enable(clk);
-		/* disable the old parent */
-		__clk_disable(old_parent);
-	}
-	spin_unlock_irqrestore(&clk_lock, flags);
-
-	return 0;
-}
-EXPORT_SYMBOL(clk_set_parent);

arch/arm/mach-bcmring/clock.h

-/*****************************************************************************
-* Copyright 2001 - 2009 Broadcom Corporation.  All rights reserved.
-*
-* Unless you and Broadcom execute a separate written software license
-* agreement governing use of this software, this software is licensed to you
-* under the terms of the GNU General Public License version 2, available at
-* http://www.broadcom.com/licenses/GPLv2.php (the "GPL").
-*
-* Notwithstanding the above, under no circumstances may you combine this
-* software in any way with any other Broadcom software provided under a
-* license other than the GPL, without Broadcom's express prior written
-* consent.
-*****************************************************************************/
-#include <mach/csp/chipcHw_def.h>
-
-#define CLK_TYPE_PRIMARY         1	/* primary clock must NOT have a parent */
-#define CLK_TYPE_PLL1            2	/* PPL1 */
-#define CLK_TYPE_PLL2            4	/* PPL2 */
-#define CLK_TYPE_PROGRAMMABLE    8	/* programmable clock rate */
-#define CLK_TYPE_BYPASSABLE      16	/* parent can be changed */
-
-#define CLK_MODE_XTAL            1	/* clock source is from crystal */
-
-struct clk {
-	const char *name;	/* clock name */
-	unsigned int type;	/* clock type */
-	unsigned int mode;	/* current mode */
-	volatile int use_bypass;	/* indicate if it's in bypass mode */
-	chipcHw_CLOCK_e csp_id;	/* clock ID for CSP CHIPC */
-	unsigned long rate_hz;	/* clock rate in Hz */
-	unsigned int use_cnt;	/* usage count */
-	struct clk *parent;	/* parent clock */
-};

arch/arm/mach-bcmring/core.c

-/*
- *  derived from linux/arch/arm/mach-versatile/core.c
- *  linux/arch/arm/mach-bcmring/core.c
- *
- *  Copyright (C) 1999 - 2003 ARM Limited
- *  Copyright (C) 2000 Deep Blue Solutions Ltd
- *
- * 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
- */
-/* Portions copyright Broadcom 2008 */
-
-#include <linux/init.h>
-#include <linux/device.h>
-#include <linux/dma-mapping.h>
-#include <linux/platform_device.h>
-#include <linux/interrupt.h>
-#include <linux/amba/bus.h>
-#include <linux/clkdev.h>
-
-#include <mach/csp/mm_addr.h>
-#include <mach/hardware.h>
-#include <linux/io.h>
-#include <asm/irq.h>
-#include <asm/hardware/arm_timer.h>
-#include <asm/hardware/timer-sp.h>
-#include <asm/mach-types.h>
-
-#include <asm/mach/arch.h>
-#include <asm/mach/flash.h>
-#include <asm/mach/irq.h>
-#include <asm/mach/time.h>
-#include <asm/mach/map.h>
-
-#include <mach/cfg_global.h>
-
-#include "clock.h"
-
-#include <mach/csp/secHw_def.h>
-#include <mach/csp/chipcHw_inline.h>
-#include <mach/csp/tmrHw_reg.h>
-
-static AMBA_APB_DEVICE(uartA, "uartA", 0, MM_ADDR_IO_UARTA, {IRQ_UARTA}, NULL);
-static AMBA_APB_DEVICE(uartB, "uartB", 0, MM_ADDR_IO_UARTB, {IRQ_UARTB}, NULL);
-
-static struct clk pll1_clk = {
-	.name = "PLL1",
-	.type = CLK_TYPE_PRIMARY | CLK_TYPE_PLL1,
-	.rate_hz = 2000000000,
-	.use_cnt = 7,
-};
-
-static struct clk uart_clk = {
-	.name = "UART",
-	.type = CLK_TYPE_PROGRAMMABLE,
-	.csp_id = chipcHw_CLOCK_UART,
-	.rate_hz = HW_CFG_UART_CLK_HZ,
-	.parent = &pll1_clk,
-};
-
-static struct clk dummy_apb_pclk = {
-	.name = "BUSCLK",
-	.type = CLK_TYPE_PRIMARY,
-	.mode = CLK_MODE_XTAL,
-};
-
-/* Timer 0 - 25 MHz, Timer3 at bus clock rate, typically  150-166 MHz */
-#if defined(CONFIG_ARCH_FPGA11107)
-/* fpga cpu/bus are currently 30 times slower so scale frequency as well to */
-/* slow down Linux's sense of time */
-#define TIMER0_FREQUENCY_MHZ  (tmrHw_LOW_FREQUENCY_MHZ * 30)
-#define TIMER1_FREQUENCY_MHZ  (tmrHw_LOW_FREQUENCY_MHZ * 30)
-#define TIMER3_FREQUENCY_MHZ  (tmrHw_HIGH_FREQUENCY_MHZ * 30)
-#define TIMER3_FREQUENCY_KHZ   (tmrHw_HIGH_FREQUENCY_HZ / 1000 * 30)
-#else
-#define TIMER0_FREQUENCY_MHZ  tmrHw_LOW_FREQUENCY_MHZ
-#define TIMER1_FREQUENCY_MHZ  tmrHw_LOW_FREQUENCY_MHZ
-#define TIMER3_FREQUENCY_MHZ  tmrHw_HIGH_FREQUENCY_MHZ
-#define TIMER3_FREQUENCY_KHZ  (tmrHw_HIGH_FREQUENCY_HZ / 1000)
-#endif
-
-static struct clk sp804_timer012_clk = {
-	.name = "sp804-timer-0,1,2",
-	.type = CLK_TYPE_PRIMARY,
-	.mode = CLK_MODE_XTAL,
-	.rate_hz = TIMER1_FREQUENCY_MHZ * 1000000,
-};
-
-static struct clk sp804_timer3_clk = {
-	.name = "sp804-timer-3",
-	.type = CLK_TYPE_PRIMARY,
-	.mode = CLK_MODE_XTAL,
-	.rate_hz = TIMER3_FREQUENCY_KHZ * 1000,
-};
-
-static struct clk_lookup lookups[] = {
-	{			/* Bus clock */
-		.con_id = "apb_pclk",
-		.clk = &dummy_apb_pclk,
-	}, {			/* UART0 */
-		.dev_id = "uarta",
-		.clk = &uart_clk,
-	}, {			/* UART1 */
-		.dev_id = "uartb",
-		.clk = &uart_clk,
-	}, {			/* SP804 timer 0 */
-		.dev_id = "sp804",
-		.con_id = "timer0",
-		.clk = &sp804_timer012_clk,
-	}, {			/* SP804 timer 1 */
-		.dev_id = "sp804",
-		.con_id = "timer1",
-		.clk = &sp804_timer012_clk,
-	}, {			/* SP804 timer 3 */
-		.dev_id = "sp804",
-		.con_id = "timer3",
-		.clk = &sp804_timer3_clk,
-	}
-};
-
-static struct amba_device *amba_devs[] __initdata = {
-	&uartA_device,
-	&uartB_device,
-};
-
-void __init bcmring_amba_init(void)
-{
-	int i;
-	u32 bus_clock;
-
-/* Linux is run initially in non-secure mode. Secure peripherals */
-/* generate FIQ, and must be handled in secure mode. Until we have */
-/* a linux security monitor implementation, keep everything in */
-/* non-secure mode. */
-	chipcHw_busInterfaceClockEnable(chipcHw_REG_BUS_CLOCK_SPU);
-	secHw_setUnsecure(secHw_BLK_MASK_CHIP_CONTROL |
-			  secHw_BLK_MASK_KEY_SCAN |
-			  secHw_BLK_MASK_TOUCH_SCREEN |
-			  secHw_BLK_MASK_UART0 |
-			  secHw_BLK_MASK_UART1 |
-			  secHw_BLK_MASK_WATCHDOG |
-			  secHw_BLK_MASK_SPUM |
-			  secHw_BLK_MASK_DDR2 |
-			  secHw_BLK_MASK_SPU |
-			  secHw_BLK_MASK_PKA |
-			  secHw_BLK_MASK_RNG |
-			  secHw_BLK_MASK_RTC |
-			  secHw_BLK_MASK_OTP |
-			  secHw_BLK_MASK_BOOT |
-			  secHw_BLK_MASK_MPU |
-			  secHw_BLK_MASK_TZCTRL | secHw_BLK_MASK_INTR);
-
-	/* Only the devices attached to the AMBA bus are enabled just before the bus is */
-	/* scanned and the drivers are loaded. The clocks need to be on for the AMBA bus */
-	/* driver to access these blocks. The bus is probed, and the drivers are loaded. */
-	/* FIXME Need to remove enable of PIF once CLCD clock enable used properly in FPGA. */
-	bus_clock = chipcHw_REG_BUS_CLOCK_GE
-	    | chipcHw_REG_BUS_CLOCK_SDIO0 | chipcHw_REG_BUS_CLOCK_SDIO1;
-
-	chipcHw_busInterfaceClockEnable(bus_clock);
-
-	for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
-		struct amba_device *d = amba_devs[i];
-		amba_device_register(d, &iomem_resource);
-	}
-}
-
-/*
- * Where is the timer (VA)?
- */
-#define TIMER0_VA_BASE		((void __iomem *)MM_IO_BASE_TMR)
-#define TIMER1_VA_BASE		((void __iomem *)(MM_IO_BASE_TMR + 0x20))
-#define TIMER2_VA_BASE		((void __iomem *)(MM_IO_BASE_TMR + 0x40))
-#define TIMER3_VA_BASE          ((void __iomem *)(MM_IO_BASE_TMR + 0x60))
-
-static int __init bcmring_clocksource_init(void)
-{
-	/* setup timer1 as free-running clocksource */
-	sp804_clocksource_init(TIMER1_VA_BASE, "timer1");
-
-	/* setup timer3 as free-running clocksource */
-	sp804_clocksource_init(TIMER3_VA_BASE, "timer3");
-
-	return 0;
-}
-
-/*
- * Set up timer interrupt, and return the current time in seconds.
- */
-void __init bcmring_init_timer(void)
-{
-	printk(KERN_INFO "bcmring_init_timer\n");
-	/*
-	 * Initialise to a known state (all timers off)
-	 */
-	writel(0, TIMER0_VA_BASE + TIMER_CTRL);
-	writel(0, TIMER1_VA_BASE + TIMER_CTRL);
-	writel(0, TIMER2_VA_BASE + TIMER_CTRL);
-	writel(0, TIMER3_VA_BASE + TIMER_CTRL);
-
-	/*
-	 * Make irqs happen for the system timer
-	 */
-	bcmring_clocksource_init();
-
-	sp804_clockevents_init(TIMER0_VA_BASE, IRQ_TIMER0, "timer0");
-}
-
-struct sys_timer bcmring_timer = {
-	.init = bcmring_init_timer,
-};
-
-void __init bcmring_init_early(void)
-{
-	clkdev_add_table(lookups, ARRAY_SIZE(lookups));
-}

arch/arm/mach-bcmring/core.h

-/*
- *  linux/arch/arm/mach-versatile/core.h
- *
- *  Copyright (C) 2004 ARM Limited
- *  Copyright (C) 2000 Deep Blue Solutions Ltd
- *
- * 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
- */
-/* Portions copyright Broadcom 2008 */
-#ifndef __ASM_ARCH_BCMRING_H
-#define __ASM_ARCH_BCMRING_H
-
-void __init bcmring_amba_init(void);
-void __init bcmring_map_io(void);
-void __init bcmring_init_irq(void);
-void __init bcmring_init_early(void);
-
-extern struct sys_timer bcmring_timer;
-#endif

arch/arm/mach-bcmring/csp/Makefile

-obj-y += dmac/
-obj-y += tmr/
-obj-y += chipc/

arch/arm/mach-bcmring/csp/chipc/Makefile

-obj-y += chipcHw.o chipcHw_str.o chipcHw_reset.o chipcHw_init.o

arch/arm/mach-bcmring/csp/chipc/chipcHw_init.c

-/*****************************************************************************
-* Copyright 2003 - 2008 Broadcom Corporation.  All rights reserved.
-*
-* Unless you and Broadcom execute a separate written software license
-* agreement governing use of this software, this software is licensed to you
-* under the terms of the GNU General Public License version 2, available at
-* http://www.broadcom.com/licenses/GPLv2.php (the "GPL").
-*
-* Notwithstanding the above, under no circumstances may you combine this
-* software in any way with any other Broadcom software provided under a
-* license other than the GPL, without Broadcom's express prior written
-* consent.
-*****************************************************************************/
-
-/****************************************************************************/
-/**
-*  @file    chipcHw_init.c
-*
-*  @brief   Low level CHIPC PLL configuration functions
-*
-*  @note
-*
-*   These routines provide basic PLL controlling functionality only.
-*/
-/****************************************************************************/
-
-/* ---- Include Files ---------------------------------------------------- */
-
-#include <linux/errno.h>
-#include <linux/types.h>
-#include <linux/export.h>
-
-#include <mach/csp/chipcHw_def.h>
-#include <mach/csp/chipcHw_inline.h>
-
-#include <mach/csp/reg.h>
-#include <linux/delay.h>
-/* ---- Private Constants and Types --------------------------------------- */
-
-/*
-    Calculation for NDIV_i to obtain VCO frequency
-    -----------------------------------------------
-
-	Freq_vco = Freq_ref * (P2 / P1) * (PLL_NDIV_i + PLL_NDIV_f)
-	for Freq_vco = VCO_FREQ_MHz
-		Freq_ref = chipcHw_XTAL_FREQ_Hz
-		PLL_P1 = PLL_P2 = 1
-		and
-		PLL_NDIV_f = 0
-
-	We get:
-		PLL_NDIV_i = Freq_vco / Freq_ref = VCO_FREQ_MHz / chipcHw_XTAL_FREQ_Hz
-
-    Calculation for PLL MDIV to obtain frequency Freq_x for channel x
-    -----------------------------------------------------------------
-		Freq_x = chipcHw_XTAL_FREQ_Hz * PLL_NDIV_i / PLL_MDIV_x = VCO_FREQ_MHz / PLL_MDIV_x
-
-		PLL_MDIV_x = VCO_FREQ_MHz / Freq_x
-*/
-
-/* ---- Private Variables ------------------------------------------------- */
-/****************************************************************************/
-/**
-*  @brief  Initializes the PLL2
-*
-*  This function initializes the PLL2
-*
-*/
-/****************************************************************************/
-void chipcHw_pll2Enable(uint32_t vcoFreqHz)
-{
-	uint32_t pllPreDivider2 = 0;
-
-	{
-		REG_LOCAL_IRQ_SAVE;
-		writel(chipcHw_REG_PLL_CONFIG_D_RESET |
-		       chipcHw_REG_PLL_CONFIG_A_RESET,
-			&pChipcHw->PLLConfig2);
-
-		pllPreDivider2 = chipcHw_REG_PLL_PREDIVIDER_POWER_DOWN |
-		    chipcHw_REG_PLL_PREDIVIDER_NDIV_MODE_INTEGER |
-		    (chipcHw_REG_PLL_PREDIVIDER_NDIV_i(vcoFreqHz) <<
-		     chipcHw_REG_PLL_PREDIVIDER_NDIV_SHIFT) |
-		    (chipcHw_REG_PLL_PREDIVIDER_P1 <<
-		     chipcHw_REG_PLL_PREDIVIDER_P1_SHIFT) |
-		    (chipcHw_REG_PLL_PREDIVIDER_P2 <<
-		     chipcHw_REG_PLL_PREDIVIDER_P2_SHIFT);
-
-		/* Enable CHIPC registers to control the PLL */
-		writel(readl(&pChipcHw->PLLStatus) | chipcHw_REG_PLL_STATUS_CONTROL_ENABLE, &pChipcHw->PLLStatus);
-
-		/* Set pre divider to get desired VCO frequency */
-		writel(pllPreDivider2, &pChipcHw->PLLPreDivider2);
-		/* Set NDIV Frac */
-		writel(chipcHw_REG_PLL_DIVIDER_NDIV_f, &pChipcHw->PLLDivider2);
-
-		/* This has to be removed once the default values are fixed for PLL2. */
-		writel(0x38000700, &pChipcHw->PLLControl12);
-		writel(0x00000015, &pChipcHw->PLLControl22);
-
-		/* Reset PLL2 */
-		if (vcoFreqHz > chipcHw_REG_PLL_CONFIG_VCO_SPLIT_FREQ) {
-			writel(chipcHw_REG_PLL_CONFIG_D_RESET |
-			    chipcHw_REG_PLL_CONFIG_A_RESET |
-			    chipcHw_REG_PLL_CONFIG_VCO_1601_3200 |
-			    chipcHw_REG_PLL_CONFIG_POWER_DOWN,
-			    &pChipcHw->PLLConfig2);
-		} else {
-			writel(chipcHw_REG_PLL_CONFIG_D_RESET |
-			    chipcHw_REG_PLL_CONFIG_A_RESET |
-			    chipcHw_REG_PLL_CONFIG_VCO_800_1600 |
-			    chipcHw_REG_PLL_CONFIG_POWER_DOWN,
-			    &pChipcHw->PLLConfig2);
-		}
-		REG_LOCAL_IRQ_RESTORE;
-	}
-
-	/* Insert certain amount of delay before deasserting ARESET. */
-	udelay(1);
-
-	{
-		REG_LOCAL_IRQ_SAVE;
-		/* Remove analog reset and Power on the PLL */
-		writel(readl(&pChipcHw->PLLConfig2) &
-		    ~(chipcHw_REG_PLL_CONFIG_A_RESET |
-		      chipcHw_REG_PLL_CONFIG_POWER_DOWN),
-		      &pChipcHw->PLLConfig2);
-
-		REG_LOCAL_IRQ_RESTORE;
-
-	}
-
-	/* Wait until PLL is locked */
-	while (!(readl(&pChipcHw->PLLStatus2) & chipcHw_REG_PLL_STATUS_LOCKED))
-		;
-
-	{
-		REG_LOCAL_IRQ_SAVE;
-		/* Remove digital reset */
-		writel(readl(&pChipcHw->PLLConfig2) &
-			~chipcHw_REG_PLL_CONFIG_D_RESET,
-			&pChipcHw->PLLConfig2);
-
-		REG_LOCAL_IRQ_RESTORE;
-	}
-}
-
-EXPORT_SYMBOL(chipcHw_pll2Enable);
-
-/****************************************************************************/
-/**
-*  @brief  Initializes the PLL1
-*
-*  This function initializes the PLL1
-*
-*/
-/****************************************************************************/
-void chipcHw_pll1Enable(uint32_t vcoFreqHz, chipcHw_SPREAD_SPECTRUM_e ssSupport)
-{
-	uint32_t pllPreDivider = 0;
-
-	{
-		REG_LOCAL_IRQ_SAVE;
-
-		writel(chipcHw_REG_PLL_CONFIG_D_RESET |
-		    chipcHw_REG_PLL_CONFIG_A_RESET,
-		    &pChipcHw->PLLConfig);
-		/* Setting VCO frequency */
-		if (ssSupport == chipcHw_SPREAD_SPECTRUM_ALLOW) {
-			pllPreDivider =
-			    chipcHw_REG_PLL_PREDIVIDER_NDIV_MODE_MASH_1_8 |
-			    ((chipcHw_REG_PLL_PREDIVIDER_NDIV_i(vcoFreqHz) -
-			      1) << chipcHw_REG_PLL_PREDIVIDER_NDIV_SHIFT) |
-			    (chipcHw_REG_PLL_PREDIVIDER_P1 <<
-			     chipcHw_REG_PLL_PREDIVIDER_P1_SHIFT) |
-			    (chipcHw_REG_PLL_PREDIVIDER_P2 <<
-			     chipcHw_REG_PLL_PREDIVIDER_P2_SHIFT);
-		} else {
-			pllPreDivider = chipcHw_REG_PLL_PREDIVIDER_POWER_DOWN |
-			    chipcHw_REG_PLL_PREDIVIDER_NDIV_MODE_INTEGER |
-			    (chipcHw_REG_PLL_PREDIVIDER_NDIV_i(vcoFreqHz) <<
-			     chipcHw_REG_PLL_PREDIVIDER_NDIV_SHIFT) |
-			    (chipcHw_REG_PLL_PREDIVIDER_P1 <<
-			     chipcHw_REG_PLL_PREDIVIDER_P1_SHIFT) |
-			    (chipcHw_REG_PLL_PREDIVIDER_P2 <<
-			     chipcHw_REG_PLL_PREDIVIDER_P2_SHIFT);
-		}
-
-		/* Enable CHIPC registers to control the PLL */
-		writel(readl(&pChipcHw->PLLStatus) | chipcHw_REG_PLL_STATUS_CONTROL_ENABLE, &pChipcHw->PLLStatus);
-
-		/* Set pre divider to get desired VCO frequency */
-		writel(pllPreDivider, &pChipcHw->PLLPreDivider);
-		/* Set NDIV Frac */
-		if (ssSupport == chipcHw_SPREAD_SPECTRUM_ALLOW) {
-			writel(chipcHw_REG_PLL_DIVIDER_M1DIV | chipcHw_REG_PLL_DIVIDER_NDIV_f_SS, &pChipcHw->PLLDivider);
-		} else {
-			writel(chipcHw_REG_PLL_DIVIDER_M1DIV | chipcHw_REG_PLL_DIVIDER_NDIV_f, &pChipcHw->PLLDivider);
-		}
-
-		/* Reset PLL1 */
-		if (vcoFreqHz > chipcHw_REG_PLL_CONFIG_VCO_SPLIT_FREQ) {
-			writel(chipcHw_REG_PLL_CONFIG_D_RESET | chipcHw_REG_PLL_CONFIG_A_RESET | chipcHw_REG_PLL_CONFIG_VCO_1601_3200 | chipcHw_REG_PLL_CONFIG_POWER_DOWN, &pChipcHw->PLLConfig);
-		} else {
-			writel(chipcHw_REG_PLL_CONFIG_D_RESET | chipcHw_REG_PLL_CONFIG_A_RESET | chipcHw_REG_PLL_CONFIG_VCO_800_1600 | chipcHw_REG_PLL_CONFIG_POWER_DOWN, &pChipcHw->PLLConfig);
-		}
-
-		REG_LOCAL_IRQ_RESTORE;
-
-		/* Insert certain amount of delay before deasserting ARESET. */
-		udelay(1);
-
-		{
-			REG_LOCAL_IRQ_SAVE;
-			/* Remove analog reset and Power on the PLL */
-			writel(readl(&pChipcHw->PLLConfig) & ~(chipcHw_REG_PLL_CONFIG_A_RESET | chipcHw_REG_PLL_CONFIG_POWER_DOWN), &pChipcHw->PLLConfig);
-			REG_LOCAL_IRQ_RESTORE;
-		}
-
-		/* Wait until PLL is locked */
-		while (!(readl(&pChipcHw->PLLStatus) & chipcHw_REG_PLL_STATUS_LOCKED)
-		       || !(readl(&pChipcHw->PLLStatus2) & chipcHw_REG_PLL_STATUS_LOCKED))
-			;
-
-		/* Remove digital reset */
-		{
-			REG_LOCAL_IRQ_SAVE;
-			writel(readl(&pChipcHw->PLLConfig) & ~chipcHw_REG_PLL_CONFIG_D_RESET, &pChipcHw->PLLConfig);
-			REG_LOCAL_IRQ_RESTORE;
-		}
-	}
-}
-
-EXPORT_SYMBOL(chipcHw_pll1Enable);
-
-/****************************************************************************/
-/**
-*  @brief  Initializes the chipc module
-*
-*  This function initializes the PLLs and core system clocks
-*
-*/
-/****************************************************************************/
-
-void chipcHw_Init(chipcHw_INIT_PARAM_t *initParam	/*  [ IN ] Misc chip initialization parameter */
-    ) {
-#if !(defined(__KERNEL__) && !defined(STANDALONE))
-	delay_init();
-#endif
-
-	/* Do not program PLL, when warm reset */
-	if (!(chipcHw_getStickyBits() & chipcHw_REG_STICKY_CHIP_WARM_RESET)) {
-		chipcHw_pll1Enable(initParam->pllVcoFreqHz,
-				   initParam->ssSupport);
-		chipcHw_pll2Enable(initParam->pll2VcoFreqHz);
-	} else {
-		/* Clear sticky bits */
-		chipcHw_clearStickyBits(chipcHw_REG_STICKY_CHIP_WARM_RESET);
-	}
-	/* Clear sticky bits */
-	chipcHw_clearStickyBits(chipcHw_REG_STICKY_CHIP_SOFT_RESET);
-
-	/* Before configuring the ARM clock, atleast we need to make sure BUS clock maintains the proper ratio with ARM clock */
-	writel((readl(&pChipcHw->ACLKClock) & ~chipcHw_REG_ACLKClock_CLK_DIV_MASK) | (initParam-> armBusRatio & chipcHw_REG_ACLKClock_CLK_DIV_MASK), &pChipcHw->ACLKClock);
-
-	/* Set various core component frequencies. The order in which this is done is important for some. */
-	/* The RTBUS (DDR PHY) is derived from the BUS, and the BUS from the ARM, and VPM needs to know BUS */
-	/* frequency to find its ratio with the BUS.  Hence we must set the ARM first, followed by the BUS,  */
-	/* then VPM and RTBUS. */
-
-	chipcHw_setClockFrequency(chipcHw_CLOCK_ARM,
-				  initParam->busClockFreqHz *
-				  initParam->armBusRatio);
-	chipcHw_setClockFrequency(chipcHw_CLOCK_BUS, initParam->busClockFreqHz);
-	chipcHw_setClockFrequency(chipcHw_CLOCK_VPM,
-				  initParam->busClockFreqHz *
-				  initParam->vpmBusRatio);
-	chipcHw_setClockFrequency(chipcHw_CLOCK_DDR,
-				  initParam->busClockFreqHz *
-				  initParam->ddrBusRatio);
-	chipcHw_setClockFrequency(chipcHw_CLOCK_RTBUS,
-				  initParam->busClockFreqHz / 2);
-}

arch/arm/mach-bcmring/csp/chipc/chipcHw_reset.c

-/*****************************************************************************
-* Copyright 2003 - 2008 Broadcom Corporation.  All rights reserved.
-*
-* Unless you and Broadcom execute a separate written software license
-* agreement governing use of this software, this software is licensed to you
-* under the terms of the GNU General Public License version 2, available at
-* http://www.broadcom.com/licenses/GPLv2.php (the "GPL").
-*
-* Notwithstanding the above, under no circumstances may you combine this
-* software in any way with any other Broadcom software provided under a
-* license other than the GPL, without Broadcom's express prior written
-* consent.
-*****************************************************************************/
-
-/* ---- Include Files ---------------------------------------------------- */
-#include <linux/types.h>
-#include <mach/csp/chipcHw_def.h>
-#include <mach/csp/chipcHw_inline.h>
-#include <mach/csp/intcHw_reg.h>
-#include <asm/cacheflush.h>
-
-/* ---- Private Constants and Types --------------------------------------- */
-/* ---- Private Variables ------------------------------------------------- */
-void chipcHw_reset_run_from_aram(void);
-
-typedef void (*RUNFUNC) (void);
-
-/****************************************************************************/
-/**
-*  @brief   warmReset
-*
-*  @note warmReset configures the clocks which are not reset back to the state
-*   required to execute on reset.  To do so we need to copy the code into internal
-*   memory to change the ARM clock while we are not executing from DDR.
-*/
-/****************************************************************************/
-void chipcHw_reset(uint32_t mask)
-{
-	int i = 0;
-	RUNFUNC runFunc = (RUNFUNC) (unsigned long)MM_ADDR_IO_ARAM;
-
-	/* Disable all interrupts */
-	intcHw_irq_disable(INTCHW_INTC0, 0xffffffff);
-	intcHw_irq_disable(INTCHW_INTC1, 0xffffffff);
-	intcHw_irq_disable(INTCHW_SINTC, 0xffffffff);
-
-	{
-		REG_LOCAL_IRQ_SAVE;
-		if (mask & chipcHw_REG_SOFT_RESET_CHIP_SOFT) {
-			chipcHw_softReset(chipcHw_REG_SOFT_RESET_CHIP_SOFT);
-		}
-		/* Bypass the PLL clocks before reboot */
-		writel(readl(&pChipcHw->UARTClock) | chipcHw_REG_PLL_CLOCK_BYPASS_SELECT,
-			&pChipcHw->UARTClock);
-		writel(readl(&pChipcHw->SPIClock) | chipcHw_REG_PLL_CLOCK_BYPASS_SELECT,
-			&pChipcHw->SPIClock);
-
-		/* Copy the chipcHw_warmReset_run_from_aram function into ARAM */
-		do {
-			writel(((uint32_t *) &chipcHw_reset_run_from_aram)[i], ((uint32_t __iomem *) MM_IO_BASE_ARAM) + i);
-			i++;
-		} while (readl(((uint32_t __iomem*) MM_IO_BASE_ARAM) + i - 1) != 0xe1a0f00f);	/* 0xe1a0f00f == asm ("mov r15, r15"); */
-
-		flush_cache_all();
-
-		/* run the function from ARAM */
-		runFunc();
-
-		/* Code will never get here, but include it to balance REG_LOCAL_IRQ_SAVE above */
-		REG_LOCAL_IRQ_RESTORE;
-	}
-}
-
-/* This function must run from internal memory */
-void chipcHw_reset_run_from_aram(void)
-{
-/* Make sure, pipeline is filled with instructions coming from ARAM */
-__asm (" nop                                                            \n\t"
-		" nop                                                            \n\t"
-#if defined(__KERNEL__) && !defined(STANDALONE)
-		" MRC      p15,#0x0,r0,c1,c0,#0                                  \n\t"
-		" BIC      r0,r0,#0xd                                            \n\t"
-		" MCR      p15,#0x0,r0,c1,c0,#0                                  \n\t"
-		" nop                                                            \n\t"
-		" nop                                                            \n\t"
-		" nop                                                            \n\t"
-		" nop                                                            \n\t"
-		" nop                                                            \n\t"
-		" nop                                                            \n\t"
-#endif
-		" nop                                                            \n\t"
-		" nop                                                            \n\t"
-/* Bypass the ARM clock and switch to XTAL clock */
-		" MOV      r2,#0x80000000                                        \n\t"
-		" LDR      r3,[r2,#8]                                            \n\t"
-		" ORR      r3,r3,#0x20000                                        \n\t"
-		" STR      r3,[r2,#8]                                            \n\t"
-
-		" nop                                                            \n\t"
-		" nop                                                            \n\t"
-		" nop                                                            \n\t"
-		" nop                                                            \n\t"
-		" nop                                                            \n\t"
-		" nop                                                            \n\t"
-		" nop                                                            \n\t"
-		" nop                                                            \n\t"
-		" nop                                                            \n\t"
-		" nop                                                            \n\t"
-		" nop                                                            \n\t"
-		" nop                                                            \n\t"
-		" nop                                                            \n\t"
-		" nop                                                            \n\t"
-		" nop                                                            \n\t"
-		" nop                                                            \n\t"
-		" nop                                                            \n\t"
-		" nop                                                            \n\t"
-		" nop                                                            \n\t"
-		" nop                                                            \n\t"
-/* Issue reset */
-		" MOV      r3,#0x2                                               \n\t"
-		" STR      r3,[r2,#0x80]                                         \n\t"
-/* End here */
-		" MOV      pc,pc                                                 \n\t");
-/* 0xe1a0f00f ==  asm ("mov r15, r15"); */
-}

arch/arm/mach-bcmring/csp/chipc/chipcHw_str.c

-/*****************************************************************************
-* Copyright 2008 Broadcom Corporation.  All rights reserved.
-*
-* Unless you and Broadcom execute a separate written software license
-* agreement governing use of this software, this software is licensed to you
-* under the terms of the GNU General Public License version 2, available at
-* http://www.broadcom.com/licenses/GPLv2.php (the "GPL").
-*
-* Notwithstanding the above, under no circumstances may you combine this
-* software in any way with any other Broadcom software provided under a
-* license other than the GPL, without Broadcom's express prior written
-* consent.
-*****************************************************************************/
-/****************************************************************************/
-/**
-*  @file    chipcHw_str.c
-*
-*  @brief   Contains strings which are useful to linux and csp
-*
-*  @note
-*/
-/****************************************************************************/
-
-/* ---- Include Files ---------------------------------------------------- */
-
-#include <mach/csp/chipcHw_inline.h>
-
-/* ---- Private Constants and Types --------------------------------------- */
-
-static const char *gMuxStr[] = {
-	"GPIO",			/* 0 */
-	"KeyPad",		/* 1 */
-	"I2C-Host",		/* 2 */
-	"SPI",			/* 3 */
-	"Uart",			/* 4 */
-	"LED-Mtx-P",		/* 5 */
-	"LED-Mtx-S",		/* 6 */
-	"SDIO-0",		/* 7 */
-	"SDIO-1",		/* 8 */
-	"PCM",			/* 9 */
-	"I2S",			/* 10 */
-	"ETM",			/* 11 */
-	"Debug",		/* 12 */
-	"Misc",			/* 13 */
-	"0xE",			/* 14 */
-	"0xF",			/* 15 */
-};
-
-/****************************************************************************/
-/**
-*  @brief   Retrieves a string representation of the mux setting for a pin.
-*
-*  @return  Pointer to a character string.
-*/
-/****************************************************************************/
-
-const char *chipcHw_getGpioPinFunctionStr(int pin)
-{
-	if ((pin < 0) || (pin >= chipcHw_GPIO_COUNT)) {
-		return "";
-	}
-
-	return gMuxStr[chipcHw_getGpioPinFunction(pin)];
-}

arch/arm/mach-bcmring/csp/dmac/Makefile

-obj-y += dmacHw.o dmacHw_extra.o
\ No newline at end of file

arch/arm/mach-bcmring/csp/tmr/Makefile

-obj-y += tmrHw.o

arch/arm/mach-bcmring/include/mach/cfg_global.h

-/*****************************************************************************
-* Copyright 2006 - 2008 Broadcom Corporation.  All rights reserved.
-*
-* Unless you and Broadcom execute a separate written software license
-* agreement governing use of this software, this software is licensed to you
-* under the terms of the GNU General Public License version 2, available at
-* http://www.broadcom.com/licenses/GPLv2.php (the "GPL").
-*
-* Notwithstanding the above, under no circumstances may you combine this
-* software in any way with any other Broadcom software provided under a
-* license other than the GPL, without Broadcom's express prior written
-* consent.
-*****************************************************************************/
-
-#ifndef CFG_GLOBAL_DEFINES_H
-#define CFG_GLOBAL_DEFINES_H
-
-/* CHIP */
-#define BCM1103 1
-
-#define BCM1191 4
-#define BCM2153 5
-#define BCM2820 6
-
-#define BCM2826 8
-#define FPGA11107 9
-#define BCM11107   10
-#define BCM11109   11
-#define BCM11170   12
-#define BCM11110   13
-#define BCM11211   14
-
-/* CFG_GLOBAL_CHIP_FAMILY types */
-#define CFG_GLOBAL_CHIP_FAMILY_NONE        0
-#define CFG_GLOBAL_CHIP_FAMILY_BCM116X     2
-#define CFG_GLOBAL_CHIP_FAMILY_BCMRING     4
-#define CFG_GLOBAL_CHIP_FAMILY_BCM1103     8
-
-#define IMAGE_HEADER_SIZE_CHECKSUM    4
-#endif
-#ifndef _CFG_GLOBAL_H_
-#define _CFG_GLOBAL_H_
-
-#define CFG_GLOBAL_CHIP                         BCM11107
-#define CFG_GLOBAL_CHIP_FAMILY                  CFG_GLOBAL_CHIP_FAMILY_BCMRING
-#define CFG_GLOBAL_CHIP_REV                     0xB0
-#define CFG_GLOBAL_RAM_SIZE                     0x10000000
-#define CFG_GLOBAL_RAM_BASE                     0x00000000
-#define CFG_GLOBAL_RAM_RESERVED_SIZE            0x000000
-
-#endif /* _CFG_GLOBAL_H_ */

arch/arm/mach-bcmring/include/mach/csp/cap.h

-/*****************************************************************************
-* Copyright 2009 Broadcom Corporation.  All rights reserved.
-*
-* Unless you and Broadcom execute a separate written software license
-* agreement governing use of this software, this software is licensed to you
-* under the terms of the GNU General Public License version 2, available at
-* http://www.broadcom.com/licenses/GPLv2.php (the "GPL").
-*
-* Notwithstanding the above, under no circumstances may you combine this
-* software in any way with any other Broadcom software provided under a
-* license other than the GPL, without Broadcom's express prior written
-* consent.
-*****************************************************************************/
-
-#ifndef CAP_H
-#define CAP_H
-
-/* ---- Include Files ---------------------------------------------------- */
-/* ---- Public Constants and Types --------------------------------------- */
-typedef enum {
-	CAP_NOT_PRESENT = 0,
-	CAP_PRESENT
-} CAP_RC_T;
-
-typedef enum {
-	CAP_VPM,
-	CAP_ETH_PHY,
-	CAP_ETH_GMII,
-	CAP_ETH_SGMII,
-	CAP_USB,
-	CAP_TSC,
-	CAP_EHSS,
-	CAP_SDIO,
-	CAP_UARTB,
-	CAP_KEYPAD,
-	CAP_CLCD,
-	CAP_GE,
-	CAP_LEDM,
-	CAP_BBL,
-	CAP_VDEC,
-	CAP_PIF,
-	CAP_APM,
-	CAP_SPU,
-	CAP_PKA,
-	CAP_RNG,
-} CAP_CAPABILITY_T;
-
-typedef enum {
-	CAP_LCD_WVGA = 0,
-	CAP_LCD_VGA = 0x1,
-	CAP_LCD_WQVGA = 0x2,
-	CAP_LCD_QVGA = 0x3
-} CAP_LCD_RES_T;
-
-/* ---- Public Variable Externs ------------------------------------------ */
-/* ---- Public Function Prototypes --------------------------------------- */
-
-static inline CAP_RC_T cap_isPresent(CAP_CAPABILITY_T capability, int index);
-static inline uint32_t cap_getMaxArmSpeedHz(void);
-static inline uint32_t cap_getMaxVpmSpeedHz(void);
-static inline CAP_LCD_RES_T cap_getMaxLcdRes(void);
-
-#endif

arch/arm/mach-bcmring/include/mach/csp/dmacHw_priv.h

-/*****************************************************************************
-* Copyright 2004 - 2008 Broadcom Corporation.  All rights reserved.
-*
-* Unless you and Broadcom execute a separate written software license
-* agreement governing use of this software, this software is licensed to you
-* under the terms of the GNU General Public License version 2, available at
-* http://www.broadcom.com/licenses/GPLv2.php (the "GPL").
-*
-* Notwithstanding the above, under no circumstances may you combine this
-* software in any way with any other Broadcom software provided under a
-* license other than the GPL, without Broadcom's express prior written
-* consent.
-*****************************************************************************/
-
-/****************************************************************************/
-/**
-*  @file    dmacHw_priv.h
-*
-*  @brief   Private Definitions for low level DMA driver
-*
-*/
-/****************************************************************************/
-
-#ifndef _DMACHW_PRIV_H
-#define _DMACHW_PRIV_H
-
-#include <linux/types.h>
-
-/* Data type for DMA Link List Item */
-typedef struct {
-	uint32_t sar;		/* Source Address Register.
-				   Address must be aligned to CTLx.SRC_TR_WIDTH.             */
-	uint32_t dar;		/* Destination Address Register.
-				   Address must be aligned to CTLx.DST_TR_WIDTH.             */
-	uint32_t llpPhy;	/* LLP contains the physical address of the next descriptor for block chaining using linked lists.
-				   Address MUST be aligned to a 32-bit boundary.             */
-	dmacHw_REG64_t ctl;	/* Control Register. 64 bits */
-	uint32_t sstat;		/* Source Status Register */
-	uint32_t dstat;		/* Destination Status Register */
-	uint32_t devCtl;	/* Device specific control information */
-	uint32_t llp;		/* LLP contains the virtual address of the next descriptor for block chaining using linked lists. */
-} dmacHw_DESC_t;
-
-/*
- *  Descriptor ring pointers
- */
-typedef struct {
-	int num;		/* Number of link items */
-	dmacHw_DESC_t *pHead;	/* Head of descriptor ring (for writing) */
-	dmacHw_DESC_t *pTail;	/* Tail of descriptor ring (for reading) */
-	dmacHw_DESC_t *pProg;	/* Descriptor to program the channel (for programming the channel register) */
-	dmacHw_DESC_t *pEnd;	/* End of current descriptor chain */
-	dmacHw_DESC_t *pFree;	/* Descriptor to free memory (freeing dynamic memory) */
-	uint32_t virt2PhyOffset;	/* Virtual to physical address offset for the descriptor ring */
-} dmacHw_DESC_RING_t;
-
-/*
- *  DMA channel control block
- */
-typedef struct {
-	uint32_t module;	/* DMA controller module (0-1) */
-	uint32_t channel;	/* DMA channel (0-7) */
-	volatile uint32_t varDataStarted;	/* Flag indicating variable data channel is enabled */
-	volatile uint32_t descUpdated;	/* Flag to indicate descriptor update is complete */
-	void *userData;		/* Channel specifc user data */
-} dmacHw_CBLK_t;
-
-#define dmacHw_ASSERT(a)                  if (!(a)) while (1)
-#define dmacHw_MAX_CHANNEL_COUNT          16
-#define dmacHw_FREE_USER_MEMORY           0xFFFFFFFF
-#define dmacHw_DESC_FREE                  dmacHw_REG_CTL_DONE
-#define dmacHw_DESC_INIT                  ((dmacHw_DESC_t *) 0xFFFFFFFF)
-#define dmacHw_MAX_BLOCKSIZE              4064
-#define dmacHw_GET_DESC_RING(addr)        (dmacHw_DESC_RING_t *)(addr)
-#define dmacHw_ADDRESS_MASK(byte)         ((byte) - 1)
-#define dmacHw_NEXT_DESC(rp, dp)           ((rp)->dp = (dmacHw_DESC_t *)(rp)->dp->llp)
-#define dmacHw_HANDLE_TO_CBLK(handle)     ((dmacHw_CBLK_t *) (handle))
-#define dmacHw_CBLK_TO_HANDLE(cblkp)      ((dmacHw_HANDLE_t) (cblkp))
-#define dmacHw_DST_IS_MEMORY(tt)          (((tt) ==  dmacHw_TRANSFER_TYPE_PERIPHERAL_TO_MEM) || ((tt) == dmacHw_TRANSFER_TYPE_MEM_TO_MEM)) ? 1 : 0
-
-/****************************************************************************/
-/**
-*  @brief   Get next available transaction width
-*
-*
-*  @return  On success  : Next available transaction width
-*           On failure : dmacHw_TRANSACTION_WIDTH_8
-*
-*  @note
-*     None
-*/
-/****************************************************************************/
-static inline dmacHw_TRANSACTION_WIDTH_e dmacHw_GetNextTrWidth(dmacHw_TRANSACTION_WIDTH_e tw	/*   [ IN ] Current transaction width */
-    ) {
-	if (tw & dmacHw_REG_CTL_SRC_TR_WIDTH_MASK) {
-		return ((tw >> dmacHw_REG_CTL_SRC_TR_WIDTH_SHIFT) -
-			 1) << dmacHw_REG_CTL_SRC_TR_WIDTH_SHIFT;
-	} else if (tw & dmacHw_REG_CTL_DST_TR_WIDTH_MASK) {
-		return ((tw >> dmacHw_REG_CTL_DST_TR_WIDTH_SHIFT) -
-			 1) << dmacHw_REG_CTL_DST_TR_WIDTH_SHIFT;
-	}
-
-	/* Default return  */
-	return dmacHw_SRC_TRANSACTION_WIDTH_8;
-}
-
-/****************************************************************************/
-/**
-*  @brief   Get number of bytes per transaction
-*
-*  @return  Number of bytes per transaction
-*
-*
-*  @note
-*     None
-*/
-/****************************************************************************/
-static inline int dmacHw_GetTrWidthInBytes(dmacHw_TRANSACTION_WIDTH_e tw	/*   [ IN ]  Transaction width */
-    ) {
-	int width = 1;
-	switch (tw) {
-	case dmacHw_SRC_TRANSACTION_WIDTH_8:
-		width = 1;
-		break;
-	case dmacHw_SRC_TRANSACTION_WIDTH_16:
-	case dmacHw_DST_TRANSACTION_WIDTH_16:
-		width = 2;
-		break;
-	case dmacHw_SRC_TRANSACTION_WIDTH_32:
-	case dmacHw_DST_TRANSACTION_WIDTH_32:
-		width = 4;
-		break;
-	case dmacHw_SRC_TRANSACTION_WIDTH_64:
-	case dmacHw_DST_TRANSACTION_WIDTH_64:
-		width = 8;
-		break;
-	default:
-		dmacHw_ASSERT(0);
-	}
-
-	/* Default transaction width */
-	return width;
-}
-
-#endif /* _DMACHW_PRIV_H */

arch/arm/mach-bcmring/include/mach/csp/hw_cfg.h

-/*****************************************************************************
-* Copyright 2003 - 2008 Broadcom Corporation.  All rights reserved.
-*
-* Unless you and Broadcom execute a separate written software license
-* agreement governing use of this software, this software is licensed to you
-* under the terms of the GNU General Public License version 2, available at
-* http://www.broadcom.com/licenses/GPLv2.php (the "GPL").
-*
-* Notwithstanding the above, under no circumstances may you combine this
-* software in any way with any other Broadcom software provided under a
-* license other than the GPL, without Broadcom's express prior written
-* consent.
-*****************************************************************************/
-
-
-#ifndef CSP_HW_CFG_H
-#define CSP_HW_CFG_H
-
-/* ---- Include Files ---------------------------------------------------- */
-
-#include <mach/cfg_global.h>
-#include <mach/csp/cap_inline.h>
-
-#if defined(__KERNEL__)
-#include <mach/memory_settings.h>
-#else
-#include <hw_cfg.h>
-#endif
-
-/* Some items that can be defined externally, but will be set to default values */
-/* if they are not defined. */
-/*      HW_CFG_PLL_SPREAD_SPECTRUM_DISABLE   Default undefined and SS is enabled. */
-/*      HW_CFG_SDRAM_CAS_LATENCY        5    Default 5, Values [3..6] */
-/*      HW_CFG_SDRAM_CHIP_SELECT_CNT    1    Default 1, Vaules [1..2] */
-/*      HW_CFG_SDRAM_SPEED_GRADE        667  Default 667, Values [400,533,667,800] */
-/*      HW_CFG_SDRAM_WIDTH_BITS         16   Default 16, Vaules [8,16] */
-/*      HW_CFG_SDRAM_ADDR_BRC                Default undefined and Row-Bank-Col (RBC) addressing used. Define to use Bank-Row-Col (BRC). */
-/*      HW_CFG_SDRAM_CLK_ASYNC               Default undefined and DDR clock is synchronous with AXI BUS clock. Define for ASYNC mode. */
-
-#if defined(CFG_GLOBAL_CHIP)
-  #if (CFG_GLOBAL_CHIP == FPGA11107)
-     #define HW_CFG_BUS_CLK_HZ            5000000
-     #define HW_CFG_DDR_CTLR_CLK_HZ      10000000
-     #define HW_CFG_DDR_PHY_OMIT
-     #define HW_CFG_UART_CLK_HZ           7500000
-  #else
-     #define HW_CFG_PLL_VCO_HZ           2000000000
-     #define HW_CFG_PLL2_VCO_HZ          1800000000
-     #define HW_CFG_ARM_CLK_HZ            CAP_HW_CFG_ARM_CLK_HZ
-     #define HW_CFG_BUS_CLK_HZ            166666666
-     #define HW_CFG_DDR_CTLR_CLK_HZ       333333333
-     #define HW_CFG_DDR_PHY_CLK_HZ        (2 * HW_CFG_DDR_CTLR_CLK_HZ)
-     #define HW_CFG_UART_CLK_HZ           142857142
-     #define HW_CFG_VPM_CLK_HZ            CAP_HW_CFG_VPM_CLK_HZ
-  #endif
-#else
-   #define HW_CFG_PLL_VCO_HZ           1800000000
-   #define HW_CFG_PLL2_VCO_HZ          1800000000
-   #define HW_CFG_ARM_CLK_HZ            450000000
-   #define HW_CFG_BUS_CLK_HZ            150000000
-   #define HW_CFG_DDR_CTLR_CLK_HZ       300000000
-   #define HW_CFG_DDR_PHY_CLK_HZ        (2 * HW_CFG_DDR_CTLR_CLK_HZ)
-   #define HW_CFG_UART_CLK_HZ           150000000
-   #define HW_CFG_VPM_CLK_HZ            300000000
-#endif
-
-/* ---- Public Constants and Types --------------------------------------- */
-/* ---- Public Variable Externs ------------------------------------------ */
-/* ---- Public Function Prototypes --------------------------------------- */
-
-
-#endif /* CSP_HW_CFG_H */
-

arch/arm/mach-clps711x/Kconfig

@@ -16,12 +16,6 @@ config ARCH_CDB89712
 	  The board includes 2 serial ports, Ethernet, IRDA, and expansion
 	  headers.  It comes with 16 MB SDRAM and 8 MB flash ROM.
 
-config ARCH_CEIVA
-	bool "CEIVA"
-	help
-	  Say Y here if you intend to run this kernel on the Ceiva/Polaroid
-	  PhotoMax Digital Picture Frame.
-
 config ARCH_CLEP7312
 	bool "CLEP7312"
 	help