Merge branch 'for-next' of git://android.git.kernel.org/kernel/tegra

* 'for-next' of git://android.git.kernel.org/kernel/tegra:
  spi: tegra: fix error setting on timeout
  spi: add spi_tegra driver
  tegra: harmony: enable PCI Express
  tegra: add PCI Express support
  tegra: add PCI Express clocks
  [ARM] tegra: Add APB DMA support
  [ARM] tegra: Add cpufreq support
  [ARM] tegra: common: Update common clock init table
  [ARM] tegra: clock: Add dvfs support, bug fixes, and cleanups
  [ARM] tegra: Add support for reading fuses
  [ARM] tegra: gpio: Add suspend and wake support
  [ARM] tegra: pinmux: add safe values, move tegra2, add suspend
  [ARM] tegra: add suspend and mirror irqs to legacy controller
  [ARM] tegra: Add legacy irq support
  [ARM] tegra: update iomap

arch/arm/Kconfig

@@ -573,6 +573,7 @@ config ARCH_TEGRA
 	select HAVE_CLK
 	select COMMON_CLKDEV
 	select ARCH_HAS_BARRIERS if CACHE_L2X0
+	select ARCH_HAS_CPUFREQ
 	help
 	  This enables support for NVIDIA Tegra based systems (Tegra APX,
 	  Tegra 6xx and Tegra 2 series).

arch/arm/mach-tegra/Kconfig

@@ -16,6 +16,10 @@ config ARCH_TEGRA_2x_SOC
 
 endchoice
 
+config TEGRA_PCI
+	bool "PCI Express support"
+	select PCI
+
 comment "Tegra board type"
 
 config MACH_HARMONY
@@ -47,4 +51,11 @@ config TEGRA_DEBUG_UARTE
 
 endchoice
 
+config TEGRA_SYSTEM_DMA
+	bool "Enable system DMA driver for NVIDIA Tegra SoCs"
+	default y
+	help
+	  Adds system DMA functionality for NVIDIA Tegra SoCs, used by
+	  several Tegra device drivers
+
 endif

arch/arm/mach-tegra/Makefile

 obj-y                                   += common.o
 obj-y                                   += io.o
-obj-y                                   += irq.o
+obj-y                                   += irq.o legacy_irq.o
 obj-y                                   += clock.o
 obj-y                                   += timer.o
 obj-y                                   += gpio.o
 obj-y                                   += pinmux.o
+obj-y					+= fuse.o
 obj-$(CONFIG_ARCH_TEGRA_2x_SOC)         += clock.o
 obj-$(CONFIG_ARCH_TEGRA_2x_SOC)         += tegra2_clocks.o
+obj-$(CONFIG_ARCH_TEGRA_2x_SOC)         += tegra2_dvfs.o
+obj-$(CONFIG_ARCH_TEGRA_2x_SOC)		+= pinmux-t2-tables.o
 obj-$(CONFIG_SMP)                       += platsmp.o localtimer.o headsmp.o
 obj-$(CONFIG_HOTPLUG_CPU)               += hotplug.o
+obj-$(CONFIG_TEGRA_SYSTEM_DMA)		+= dma.o
+obj-$(CONFIG_CPU_FREQ)                  += cpu-tegra.o
+obj-$(CONFIG_TEGRA_PCI)			+= pcie.o
 
 obj-${CONFIG_MACH_HARMONY}              += board-harmony.o
 obj-${CONFIG_MACH_HARMONY}              += board-harmony-pinmux.o
+obj-${CONFIG_MACH_HARMONY}              += board-harmony-pcie.o

arch/arm/mach-tegra/board-harmony-pcie.c

+/*
+ * arch/arm/mach-tegra/board-harmony-pcie.c
+ *
+ * Copyright (C) 2010 CompuLab, Ltd.
+ * Mike Rapoport <mike@compulab.co.il>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * 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.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/gpio.h>
+#include <linux/err.h>
+#include <linux/regulator/consumer.h>
+
+#include <asm/mach-types.h>
+
+#include <mach/pinmux.h>
+#include "board.h"
+
+#ifdef CONFIG_TEGRA_PCI
+
+static int __init harmony_pcie_init(void)
+{
+	int err;
+
+	if (!machine_is_harmony())
+		return 0;
+
+	tegra_pinmux_set_tristate(TEGRA_PINGROUP_GPV, TEGRA_TRI_NORMAL);
+	tegra_pinmux_set_tristate(TEGRA_PINGROUP_SLXA, TEGRA_TRI_NORMAL);
+	tegra_pinmux_set_tristate(TEGRA_PINGROUP_SLXK, TEGRA_TRI_NORMAL);
+
+	err = tegra_pcie_init(true, true);
+	if (err)
+		goto err_pcie;
+
+	return 0;
+
+err_pcie:
+	tegra_pinmux_set_tristate(TEGRA_PINGROUP_GPV, TEGRA_TRI_TRISTATE);
+	tegra_pinmux_set_tristate(TEGRA_PINGROUP_SLXA, TEGRA_TRI_TRISTATE);
+	tegra_pinmux_set_tristate(TEGRA_PINGROUP_SLXK, TEGRA_TRI_TRISTATE);
+
+	return err;
+}
+
+subsys_initcall(harmony_pcie_init);
+
+#endif

arch/arm/mach-tegra/board.h

@@ -27,6 +27,7 @@ void __init tegra_common_init(void);
 void __init tegra_map_common_io(void);
 void __init tegra_init_irq(void);
 void __init tegra_init_clock(void);
+int __init tegra_pcie_init(bool init_port0, bool init_port1);
 
 extern struct sys_timer tegra_timer;
 #endif

arch/arm/mach-tegra/clock.c

@@ -24,13 +24,80 @@
 #include <linux/debugfs.h>
 #include <linux/slab.h>
 #include <linux/seq_file.h>
+#include <linux/regulator/consumer.h>
 #include <asm/clkdev.h>
 
 #include "clock.h"
+#include "board.h"
+#include "fuse.h"
 
 static LIST_HEAD(clocks);
 
 static DEFINE_SPINLOCK(clock_lock);
+static DEFINE_MUTEX(dvfs_lock);
+
+static int clk_is_dvfs(struct clk *c)
+{
+	return (c->dvfs != NULL);
+};
+
+static int dvfs_set_rate(struct dvfs *d, unsigned long rate)
+{
+	struct dvfs_table *t;
+
+	if (d->table == NULL)
+		return -ENODEV;
+
+	for (t = d->table; t->rate != 0; t++) {
+		if (rate <= t->rate) {
+			if (!d->reg)
+				return 0;
+
+			return regulator_set_voltage(d->reg,
+				t->millivolts * 1000,
+				d->max_millivolts * 1000);
+		}
+	}
+
+	return -EINVAL;
+}
+
+static void dvfs_init(struct clk *c)
+{
+	int process_id;
+	int i;
+	struct dvfs_table *table;
+
+	process_id = c->dvfs->cpu ? tegra_core_process_id() :
+		tegra_cpu_process_id();
+
+	for (i = 0; i < c->dvfs->process_id_table_length; i++)
+		if (process_id == c->dvfs->process_id_table[i].process_id)
+			c->dvfs->table = c->dvfs->process_id_table[i].table;
+
+	if (c->dvfs->table == NULL) {
+		pr_err("Failed to find dvfs table for clock %s process %d\n",
+			c->name, process_id);
+		return;
+	}
+
+	c->dvfs->max_millivolts = 0;
+	for (table = c->dvfs->table; table->rate != 0; table++)
+		if (c->dvfs->max_millivolts < table->millivolts)
+			c->dvfs->max_millivolts = table->millivolts;
+
+	c->dvfs->reg = regulator_get(NULL, c->dvfs->reg_id);
+
+	if (IS_ERR(c->dvfs->reg)) {
+		pr_err("Failed to get regulator %s for clock %s\n",
+			c->dvfs->reg_id, c->name);
+		c->dvfs->reg = NULL;
+		return;
+	}
+
+	if (c->refcnt > 0)
+		dvfs_set_rate(c->dvfs, c->rate);
+}
 
 struct clk *tegra_get_clock_by_name(const char *name)
 {
@@ -48,14 +115,31 @@ struct clk *tegra_get_clock_by_name(const char *name)
 	return ret;
 }
 
+static void clk_recalculate_rate(struct clk *c)
+{
+	u64 rate;
+
+	if (!c->parent)
+		return;
+
+	rate = c->parent->rate;
+
+	if (c->mul != 0 && c->div != 0) {
+		rate = rate * c->mul;
+		do_div(rate, c->div);
+	}
+
+	if (rate > c->max_rate)
+		pr_warn("clocks: Set clock %s to rate %llu, max is %lu\n",
+			c->name, rate, c->max_rate);
+
+	c->rate = rate;
+}
+
 int clk_reparent(struct clk *c, struct clk *parent)
 {
 	pr_debug("%s: %s\n", __func__, c->name);
-	if (c->refcnt && c->parent)
-		clk_disable_locked(c->parent);
 	c->parent = parent;
-	if (c->refcnt && c->parent)
-		clk_enable_locked(c->parent);
 	list_del(&c->sibling);
 	list_add_tail(&c->sibling, &parent->children);
 	return 0;
@@ -67,8 +151,7 @@ static void propagate_rate(struct clk *c)
 	pr_debug("%s: %s\n", __func__, c->name);
 	list_for_each_entry(clkp, &c->children, sibling) {
 		pr_debug("   %s\n", clkp->name);
-		if (clkp->ops->recalculate_rate)
-			clkp->ops->recalculate_rate(clkp);
+		clk_recalculate_rate(clkp);
 		propagate_rate(clkp);
 	}
 }
@@ -77,6 +160,8 @@ void clk_init(struct clk *c)
 {
 	unsigned long flags;
 
+	pr_debug("%s: %s\n", __func__, c->name);
+
 	spin_lock_irqsave(&clock_lock, flags);
 
 	INIT_LIST_HEAD(&c->children);
@@ -85,6 +170,8 @@ void clk_init(struct clk *c)
 	if (c->ops && c->ops->init)
 		c->ops->init(c);
 
+	clk_recalculate_rate(c);
+
 	list_add(&c->node, &clocks);
 
 	if (c->parent)
@@ -122,13 +209,38 @@ int clk_enable_locked(struct clk *c)
 	return 0;
 }
 
+int clk_enable_cansleep(struct clk *c)
+{
+	int ret;
+	unsigned long flags;
+
+	mutex_lock(&dvfs_lock);
+
+	if (clk_is_dvfs(c) && c->refcnt > 0)
+		dvfs_set_rate(c->dvfs, c->rate);
+
+	spin_lock_irqsave(&clock_lock, flags);
+	ret = clk_enable_locked(c);
+	spin_unlock_irqrestore(&clock_lock, flags);
+
+	mutex_unlock(&dvfs_lock);
+
+	return ret;
+}
+EXPORT_SYMBOL(clk_enable_cansleep);
+
 int clk_enable(struct clk *c)
 {
 	int ret;
 	unsigned long flags;
+
+	if (clk_is_dvfs(c))
+		BUG();
+
 	spin_lock_irqsave(&clock_lock, flags);
 	ret = clk_enable_locked(c);
 	spin_unlock_irqrestore(&clock_lock, flags);
+
 	return ret;
 }
 EXPORT_SYMBOL(clk_enable);
@@ -152,9 +264,30 @@ void clk_disable_locked(struct clk *c)
 	c->refcnt--;
 }
 
+void clk_disable_cansleep(struct clk *c)
+{
+	unsigned long flags;
+
+	mutex_lock(&dvfs_lock);
+
+	spin_lock_irqsave(&clock_lock, flags);
+	clk_disable_locked(c);
+	spin_unlock_irqrestore(&clock_lock, flags);
+
+	if (clk_is_dvfs(c) && c->refcnt == 0)
+		dvfs_set_rate(c->dvfs, c->rate);
+
+	mutex_unlock(&dvfs_lock);
+}
+EXPORT_SYMBOL(clk_disable_cansleep);
+
 void clk_disable(struct clk *c)
 {
 	unsigned long flags;
+
+	if (clk_is_dvfs(c))
+		BUG();
+
 	spin_lock_irqsave(&clock_lock, flags);
 	clk_disable_locked(c);
 	spin_unlock_irqrestore(&clock_lock, flags);
@@ -175,6 +308,8 @@ int clk_set_parent_locked(struct clk *c, struct clk *parent)
 	if (ret)
 		return ret;
 
+	clk_recalculate_rate(c);
+
 	propagate_rate(c);
 
 	return 0;
@@ -197,22 +332,69 @@ struct clk *clk_get_parent(struct clk *c)
 }
 EXPORT_SYMBOL(clk_get_parent);
 
-int clk_set_rate(struct clk *c, unsigned long rate)
+int clk_set_rate_locked(struct clk *c, unsigned long rate)
+{
+	int ret;
+
+	if (rate > c->max_rate)
+		rate = c->max_rate;
+
+	if (!c->ops || !c->ops->set_rate)
+		return -ENOSYS;
+
+	ret = c->ops->set_rate(c, rate);
+
+	if (ret)
+		return ret;
+
+	clk_recalculate_rate(c);
+
+	propagate_rate(c);
+
+	return 0;
+}
+
+int clk_set_rate_cansleep(struct clk *c, unsigned long rate)
 {
 	int ret = 0;
 	unsigned long flags;
 
+	pr_debug("%s: %s\n", __func__, c->name);
+
+	mutex_lock(&dvfs_lock);
+
+	if (rate > c->rate)
+		ret = dvfs_set_rate(c->dvfs, rate);
+	if (ret)
+		goto out;
+
 	spin_lock_irqsave(&clock_lock, flags);
+	ret = clk_set_rate_locked(c, rate);
+	spin_unlock_irqrestore(&clock_lock, flags);
 
-	pr_debug("%s: %s\n", __func__, c->name);
+	if (ret)
+		goto out;
 
-	if (c->ops && c->ops->set_rate)
-		ret = c->ops->set_rate(c, rate);
-	else
-		ret = -ENOSYS;
+	ret = dvfs_set_rate(c->dvfs, rate);
 
-	propagate_rate(c);
+out:
+	mutex_unlock(&dvfs_lock);
+	return ret;
+}
+EXPORT_SYMBOL(clk_set_rate_cansleep);
+
+int clk_set_rate(struct clk *c, unsigned long rate)
+{
+	int ret = 0;
+	unsigned long flags;
+
+	pr_debug("%s: %s\n", __func__, c->name);
+
+	if (clk_is_dvfs(c))
+		BUG();
 
+	spin_lock_irqsave(&clock_lock, flags);
+	ret = clk_set_rate_locked(c, rate);
 	spin_unlock_irqrestore(&clock_lock, flags);
 
 	return ret;
@@ -235,6 +417,20 @@ unsigned long clk_get_rate(struct clk *c)
 }
 EXPORT_SYMBOL(clk_get_rate);
 
+long clk_round_rate(struct clk *c, unsigned long rate)
+{
+	pr_debug("%s: %s\n", __func__, c->name);
+
+	if (!c->ops || !c->ops->round_rate)
+		return -ENOSYS;
+
+	if (rate > c->max_rate)
+		rate = c->max_rate;
+
+	return c->ops->round_rate(c, rate);
+}
+EXPORT_SYMBOL(clk_round_rate);
+
 static int tegra_clk_init_one_from_table(struct tegra_clk_init_table *table)
 {
 	struct clk *c;
@@ -308,13 +504,28 @@ void tegra_periph_reset_assert(struct clk *c)
 }
 EXPORT_SYMBOL(tegra_periph_reset_assert);
 
-int __init tegra_init_clock(void)
+void __init tegra_init_clock(void)
 {
 	tegra2_init_clocks();
+}
+
+int __init tegra_init_dvfs(void)
+{
+	struct clk *c, *safe;
+
+	mutex_lock(&dvfs_lock);
+
+	list_for_each_entry_safe(c, safe, &clocks, node)
+		if (c->dvfs)
+			dvfs_init(c);
+
+	mutex_unlock(&dvfs_lock);
 
 	return 0;
 }
 
+late_initcall(tegra_init_dvfs);
+
 #ifdef CONFIG_DEBUG_FS
 static struct dentry *clk_debugfs_root;
 
@@ -324,7 +535,7 @@ static void clock_tree_show_one(struct seq_file *s, struct clk *c, int level)
 	struct clk *child;
 	struct clk *safe;
 	const char *state = "uninit";
-	char div[5] = {0};
+	char div[8] = {0};
 
 	if (c->state == ON)
 		state = "on";
@@ -332,16 +543,26 @@ static void clock_tree_show_one(struct seq_file *s, struct clk *c, int level)
 		state = "off";
 
 	if (c->mul != 0 && c->div != 0) {
-		BUG_ON(c->mul > 2);
-		if (c->mul > c->div)
-			snprintf(div, sizeof(div), "x%d", c->mul / c->div);
-		else
+		if (c->mul > c->div) {
+			int mul = c->mul / c->div;
+			int mul2 = (c->mul * 10 / c->div) % 10;
+			int mul3 = (c->mul * 10) % c->div;
+			if (mul2 == 0 && mul3 == 0)
+				snprintf(div, sizeof(div), "x%d", mul);
+			else if (mul3 == 0)
+				snprintf(div, sizeof(div), "x%d.%d", mul, mul2);
+			else
+				snprintf(div, sizeof(div), "x%d.%d..", mul, mul2);
+		} else {
 			snprintf(div, sizeof(div), "%d%s", c->div / c->mul,
 				(c->div % c->mul) ? ".5" : "");
+		}
 	}
 
-	seq_printf(s, "%*s%-*s %-6s %-3d %-5s %-10lu\n",
-		level * 3 + 1, c->set ? "" : "*",
+	seq_printf(s, "%*s%c%c%-*s %-6s %-3d %-8s %-10lu\n",
+		level * 3 + 1, "",
+		c->rate > c->max_rate ? '!' : ' ',
+		!c->set ? '*' : ' ',
 		30 - level * 3, c->name,
 		state, c->refcnt, div, c->rate);
 	list_for_each_entry_safe(child, safe, &c->children, sibling) {
@@ -353,8 +574,8 @@ static int clock_tree_show(struct seq_file *s, void *data)
 {
 	struct clk *c;
 	unsigned long flags;
-	seq_printf(s, " clock                          state  ref div   rate      \n");
-	seq_printf(s, "-----------------------------------------------------------\n");
+	seq_printf(s, "   clock                          state  ref div      rate\n");
+	seq_printf(s, "--------------------------------------------------------------\n");
 	spin_lock_irqsave(&clock_lock, flags);
 	list_for_each_entry(c, &clocks, node)
 		if (c->parent == NULL)

arch/arm/mach-tegra/clock.h

@@ -27,18 +27,43 @@
 #define DIV_U71			(1 << 1)
 #define DIV_U71_FIXED		(1 << 2)
 #define DIV_2			(1 << 3)
-#define PLL_FIXED		(1 << 4)
-#define PLL_HAS_CPCON		(1 << 5)
-#define MUX			(1 << 6)
-#define PLLD			(1 << 7)
-#define PERIPH_NO_RESET		(1 << 8)
-#define PERIPH_NO_ENB		(1 << 9)
-#define PERIPH_EMC_ENB		(1 << 10)
-#define PERIPH_MANUAL_RESET	(1 << 11)
-#define PLL_ALT_MISC_REG	(1 << 12)
+#define DIV_U16			(1 << 4)
+#define PLL_FIXED		(1 << 5)
+#define PLL_HAS_CPCON		(1 << 6)
+#define MUX			(1 << 7)
+#define PLLD			(1 << 8)
+#define PERIPH_NO_RESET		(1 << 9)
+#define PERIPH_NO_ENB		(1 << 10)
+#define PERIPH_EMC_ENB		(1 << 11)
+#define PERIPH_MANUAL_RESET	(1 << 12)
+#define PLL_ALT_MISC_REG	(1 << 13)
+#define PLLU			(1 << 14)
 #define ENABLE_ON_INIT		(1 << 28)
 
 struct clk;
+struct regulator;
+
+struct dvfs_table {
+	unsigned long rate;
+	int millivolts;
+};
+
+struct dvfs_process_id_table {
+	int process_id;
+	struct dvfs_table *table;
+};
+
+
+struct dvfs {
+	struct regulator *reg;
+	struct dvfs_table *table;
+	int max_millivolts;
+
+	int process_id_table_length;
+	const char *reg_id;
+	bool cpu;
+	struct dvfs_process_id_table process_id_table[];
+};
 
 struct clk_mux_sel {
 	struct clk	*input;
@@ -58,12 +83,9 @@ struct clk_ops {
 	void		(*init)(struct clk *);
 	int		(*enable)(struct clk *);
 	void		(*disable)(struct clk *);
-	void		(*recalc)(struct clk *);
 	int		(*set_parent)(struct clk *, struct clk *);
 	int		(*set_rate)(struct clk *, unsigned long);
-	unsigned long	(*get_rate)(struct clk *);
 	long		(*round_rate)(struct clk *, unsigned long);
-	unsigned long	(*recalculate_rate)(struct clk *);
 };
 
 enum clk_state {
@@ -85,6 +107,7 @@ struct clk {
 	struct clk			*parent;
 	struct clk_lookup		lookup;
 	unsigned long			rate;
+	unsigned long			max_rate;
 	u32				flags;
 	u32				refcnt;
 	const char			*name;
@@ -103,10 +126,6 @@ struct clk {
 	unsigned long			cf_max;
 	unsigned long			vco_min;
 	unsigned long			vco_max;
-	u32				m;
-	u32				n;
-	u32				p;
-	u32				cpcon;
 	const struct clk_pll_table	*pll_table;
 
 	/* DIV */
@@ -117,6 +136,12 @@ struct clk {
 	const struct clk_mux_sel	*inputs;
 	u32				sel;
 	u32				reg_mask;
+
+	/* Virtual cpu clock */
+	struct clk			*main;
+	struct clk			*backup;
+
+	struct dvfs			*dvfs;
 };
 
 
@@ -141,6 +166,7 @@ unsigned long clk_measure_input_freq(void);
 void clk_disable_locked(struct clk *c);
 int clk_enable_locked(struct clk *c);
 int clk_set_parent_locked(struct clk *c, struct clk *parent);
+int clk_set_rate_locked(struct clk *c, unsigned long rate);
 int clk_reparent(struct clk *c, struct clk *parent);
 void tegra_clk_init_from_table(struct tegra_clk_init_table *table);
 

arch/arm/mach-tegra/common.c

@@ -19,13 +19,17 @@
 
 #include <linux/init.h>
 #include <linux/io.h>
+#include <linux/clk.h>
+#include <linux/delay.h>
 
 #include <asm/hardware/cache-l2x0.h>
 
 #include <mach/iomap.h>
+#include <mach/dma.h>
 
 #include "board.h"
 #include "clock.h"
+#include "fuse.h"
 
 static __initdata struct tegra_clk_init_table common_clk_init_table[] = {
 	/* name		parent		rate		enabled */
@@ -35,8 +39,8 @@ static __initdata struct tegra_clk_init_table common_clk_init_table[] = {
 	{ "pll_p_out2",	"pll_p",	48000000,	true },
 	{ "pll_p_out3",	"pll_p",	72000000,	true },
 	{ "pll_p_out4",	"pll_p",	108000000,	true },
-	{ "sys",	"pll_p_out4",	108000000,	true },
-	{ "hclk",	"sys",		108000000,	true },
+	{ "sclk",	"pll_p_out4",	108000000,	true },
+	{ "hclk",	"sclk",		108000000,	true },
 	{ "pclk",	"hclk",		54000000,	true },
 	{ NULL,		NULL,		0,		0},
 };
@@ -51,11 +55,16 @@ void __init tegra_init_cache(void)
 
 	l2x0_init(p, 0x6C080001, 0x8200c3fe);
 #endif
+
 }
 
 void __init tegra_common_init(void)
 {
+	tegra_init_fuse();
 	tegra_init_clock();
 	tegra_clk_init_from_table(common_clk_init_table);
 	tegra_init_cache();
+#ifdef CONFIG_TEGRA_SYSTEM_DMA
+	tegra_dma_init();
+#endif
 }

arch/arm/mach-tegra/cpu-tegra.c

+/*
+ * arch/arm/mach-tegra/cpu-tegra.c
+ *
+ * Copyright (C) 2010 Google, Inc.
+ *
+ * Author:
+ *	Colin Cross <ccross@google.com>
+ *	Based on arch/arm/plat-omap/cpu-omap.c, (C) 2005 Nokia Corporation
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * 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.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/sched.h>
+#include <linux/cpufreq.h>
+#include <linux/delay.h>
+#include <linux/init.h>
+#include <linux/err.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+
+#include <asm/system.h>
+
+#include <mach/hardware.h>
+#include <mach/clk.h>
+
+/* Frequency table index must be sequential starting at 0 */
+static struct cpufreq_frequency_table freq_table[] = {
+	{ 0, 312000 },
+	{ 1, 456000 },
+	{ 2, 608000 },
+	{ 3, 760000 },
+	{ 4, 816000 },
+	{ 5, 912000 },
+	{ 6, 1000000 },
+	{ 7, CPUFREQ_TABLE_END },
+};
+
+#define NUM_CPUS	2
+
+static struct clk *cpu_clk;
+
+static unsigned long target_cpu_speed[NUM_CPUS];
+
+int tegra_verify_speed(struct cpufreq_policy *policy)
+{
+	return cpufreq_frequency_table_verify(policy, freq_table);
+}
+
+unsigned int tegra_getspeed(unsigned int cpu)
+{
+	unsigned long rate;
+
+	if (cpu >= NUM_CPUS)
+		return 0;
+
+	rate = clk_get_rate(cpu_clk) / 1000;
+	return rate;
+}
+
+static int tegra_update_cpu_speed(void)
+{
+	int i;
+	unsigned long rate = 0;
+	int ret = 0;
+	struct cpufreq_freqs freqs;
+
+	for_each_online_cpu(i)
+		rate = max(rate, target_cpu_speed[i]);
+
+	freqs.old = tegra_getspeed(0);
+	freqs.new = rate;
+
+	if (freqs.old == freqs.new)
+		return ret;
+
+	for_each_online_cpu(freqs.cpu)
+		cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+
+#ifdef CONFIG_CPU_FREQ_DEBUG
+	printk(KERN_DEBUG "cpufreq-tegra: transition: %u --> %u\n",
+	       freqs.old, freqs.new);
+#endif
+
+	ret = clk_set_rate_cansleep(cpu_clk, freqs.new * 1000);
+	if (ret) {
+		pr_err("cpu-tegra: Failed to set cpu frequency to %d kHz\n",
+			freqs.new);
+		return ret;
+	}
+
+	for_each_online_cpu(freqs.cpu)
+		cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+
+	return 0;
+}
+
+static int tegra_target(struct cpufreq_policy *policy,
+		       unsigned int target_freq,
+		       unsigned int relation)
+{
+	int idx;
+	unsigned int freq;
+
+	cpufreq_frequency_table_target(policy, freq_table, target_freq,
+		relation, &idx);
+
+	freq = freq_table[idx].frequency;
+
+	target_cpu_speed[policy->cpu] = freq;
+
+	return tegra_update_cpu_speed();
+}
+
+static int tegra_cpu_init(struct cpufreq_policy *policy)
+{
+	if (policy->cpu >= NUM_CPUS)
+		return -EINVAL;
+
+	cpu_clk = clk_get_sys(NULL, "cpu");
+	if (IS_ERR(cpu_clk))
+		return PTR_ERR(cpu_clk);
+
+	cpufreq_frequency_table_cpuinfo(policy, freq_table);
+	cpufreq_frequency_table_get_attr(freq_table, policy->cpu);
+	policy->cur = tegra_getspeed(policy->cpu);
+	target_cpu_speed[policy->cpu] = policy->cur;
+
+	/* FIXME: what's the actual transition time? */
+	policy->cpuinfo.transition_latency = 300 * 1000;
+
+	policy->shared_type = CPUFREQ_SHARED_TYPE_ALL;
+	cpumask_copy(policy->related_cpus, cpu_possible_mask);
+
+	return 0;
+}
+
+static int tegra_cpu_exit(struct cpufreq_policy *policy)
+{
+	cpufreq_frequency_table_cpuinfo(policy, freq_table);
+	clk_put(cpu_clk);
+	return 0;
+}
+
+static struct freq_attr *tegra_cpufreq_attr[] = {
+	&cpufreq_freq_attr_scaling_available_freqs,
+	NULL,
+};
+
+static struct cpufreq_driver tegra_cpufreq_driver = {
+	.verify		= tegra_verify_speed,
+	.target		= tegra_target,
+	.get		= tegra_getspeed,
+	.init		= tegra_cpu_init,
+	.exit		= tegra_cpu_exit,
+	.name		= "tegra",
+	.attr		= tegra_cpufreq_attr,
+};
+
+static int __init tegra_cpufreq_init(void)
+{
+	return cpufreq_register_driver(&tegra_cpufreq_driver);
+}
+
+static void __exit tegra_cpufreq_exit(void)
+{
+        cpufreq_unregister_driver(&tegra_cpufreq_driver);
+}
+
+
+MODULE_AUTHOR("Colin Cross <ccross@android.com>");
+MODULE_DESCRIPTION("cpufreq driver for Nvidia Tegra2");
+MODULE_LICENSE("GPL");
+module_init(tegra_cpufreq_init);
+module_exit(tegra_cpufreq_exit);

arch/arm/mach-tegra/fuse.c

+/*
+ * arch/arm/mach-tegra/fuse.c
+ *
+ * Copyright (C) 2010 Google, Inc.
+ *
+ * Author:
+ *	Colin Cross <ccross@android.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * 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.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/io.h>
+
+#include <mach/iomap.h>
+
+#include "fuse.h"
+
+#define FUSE_UID_LOW		0x108
+#define FUSE_UID_HIGH		0x10c
+#define FUSE_SKU_INFO		0x110
+#define FUSE_SPARE_BIT		0x200
+
+static inline u32 fuse_readl(unsigned long offset)
+{
+	return readl(IO_TO_VIRT(TEGRA_FUSE_BASE + offset));
+}
+
+static inline void fuse_writel(u32 value, unsigned long offset)
+{
+	writel(value, IO_TO_VIRT(TEGRA_FUSE_BASE + offset));
+}
+
+void tegra_init_fuse(void)
+{
+	u32 reg = readl(IO_TO_VIRT(TEGRA_CLK_RESET_BASE + 0x48));
+	reg |= 1 << 28;
+	writel(reg, IO_TO_VIRT(TEGRA_CLK_RESET_BASE + 0x48));
+
+	pr_info("Tegra SKU: %d CPU Process: %d Core Process: %d\n",
+		tegra_sku_id(), tegra_cpu_process_id(),
+		tegra_core_process_id());
+}
+
+unsigned long long tegra_chip_uid(void)
+{
+	unsigned long long lo, hi;
+
+	lo = fuse_readl(FUSE_UID_LOW);
+	hi = fuse_readl(FUSE_UID_HIGH);
+	return (hi << 32ull) | lo;
+}
+
+int tegra_sku_id(void)
+{
+	int sku_id;
+	u32 reg = fuse_readl(FUSE_SKU_INFO);
+	sku_id = reg & 0xFF;
+	return sku_id;
+}
+
+int tegra_cpu_process_id(void)
+{
+	int cpu_process_id;
+	u32 reg = fuse_readl(FUSE_SPARE_BIT);
+	cpu_process_id = (reg >> 6) & 3;
+	return cpu_process_id;
+}
+
+int tegra_core_process_id(void)
+{
+	int core_process_id;
+	u32 reg = fuse_readl(FUSE_SPARE_BIT);
+	core_process_id = (reg >> 12) & 3;
+	return core_process_id;
+}

arch/arm/mach-tegra/fuse.h

+/*
+ * arch/arm/mach-tegra/fuse.c
+ *
+ * Copyright (C) 2010 Google, Inc.
+ *
+ * Author:
+ *	Colin Cross <ccross@android.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * 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.
+ *
+ */
+
+unsigned long long tegra_chip_uid(void);
+int tegra_sku_id(void);
+int tegra_cpu_process_id(void);
+int tegra_core_process_id(void);
+void tegra_init_fuse(void);

arch/arm/mach-tegra/gpio.c

@@ -19,6 +19,7 @@
 
 #include <linux/init.h>
 #include <linux/irq.h>
+#include <linux/interrupt.h>
 
 #include <linux/io.h>
 #include <linux/gpio.h>
@@ -60,6 +61,13 @@ struct tegra_gpio_bank {
 	int bank;
 	int irq;
 	spinlock_t lvl_lock[4];
+#ifdef CONFIG_PM
+	u32 cnf[4];
+	u32 out[4];
+	u32 oe[4];
+	u32 int_enb[4];
+	u32 int_lvl[4];
+#endif
 };
 
 
@@ -131,7 +139,7 @@ static struct gpio_chip tegra_gpio_chip = {
 	.direction_output	= tegra_gpio_direction_output,
 	.set			= tegra_gpio_set,
 	.base			= 0,
-	.ngpio			= ARCH_NR_GPIOS,
+	.ngpio			= TEGRA_NR_GPIOS,
 };
 
 static void tegra_gpio_irq_ack(unsigned int irq)
@@ -244,6 +252,76 @@ static void tegra_gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
 
 }
 
+#ifdef CONFIG_PM
+void tegra_gpio_resume(void)
+{
+	unsigned long flags;
+	int b, p, i;
+
+	local_irq_save(flags);
+
+	for (b = 0; b < ARRAY_SIZE(tegra_gpio_banks); b++) {
+		struct tegra_gpio_bank *bank = &tegra_gpio_banks[b];
+
+		for (p = 0; p < ARRAY_SIZE(bank->oe); p++) {
+			unsigned int gpio = (b<<5) | (p<<3);
+			__raw_writel(bank->cnf[p], GPIO_CNF(gpio));
+			__raw_writel(bank->out[p], GPIO_OUT(gpio));
+			__raw_writel(bank->oe[p], GPIO_OE(gpio));
+			__raw_writel(bank->int_lvl[p], GPIO_INT_LVL(gpio));
+			__raw_writel(bank->int_enb[p], GPIO_INT_ENB(gpio));
+		}
+	}
+
+	local_irq_restore(flags);
+
+	for (i = INT_GPIO_BASE; i < (INT_GPIO_BASE + TEGRA_NR_GPIOS); i++) {
+		struct irq_desc *desc = irq_to_desc(i);
+		if (!desc || (desc->status & IRQ_WAKEUP))
+			continue;
+		enable_irq(i);
+	}
+}
+
+void tegra_gpio_suspend(void)
+{
+	unsigned long flags;
+	int b, p, i;
+
+	for (i = INT_GPIO_BASE; i < (INT_GPIO_BASE + TEGRA_NR_GPIOS); i++) {
+		struct irq_desc *desc = irq_to_desc(i);
+		if (!desc)
+			continue;
+		if (desc->status & IRQ_WAKEUP) {
+			int gpio = i - INT_GPIO_BASE;
+			pr_debug("gpio %d.%d is wakeup\n", gpio/8, gpio&7);
+			continue;
+		}
+		disable_irq(i);
+	}
+
+	local_irq_save(flags);
+	for (b = 0; b < ARRAY_SIZE(tegra_gpio_banks); b++) {
+		struct tegra_gpio_bank *bank = &tegra_gpio_banks[b];
+
+		for (p = 0; p < ARRAY_SIZE(bank->oe); p++) {
+			unsigned int gpio = (b<<5) | (p<<3);
+			bank->cnf[p] = __raw_readl(GPIO_CNF(gpio));
+			bank->out[p] = __raw_readl(GPIO_OUT(gpio));
+			bank->oe[p] = __raw_readl(GPIO_OE(gpio));
+			bank->int_enb[p] = __raw_readl(GPIO_INT_ENB(gpio));
+			bank->int_lvl[p] = __raw_readl(GPIO_INT_LVL(gpio));
+		}
+	}
+	local_irq_restore(flags);
+}
+
+static int tegra_gpio_wake_enable(unsigned int irq, unsigned int enable)
+{
+	struct tegra_gpio_bank *bank = get_irq_chip_data(irq);
+	return set_irq_wake(bank->irq, enable);
+}
+#endif
 
 static struct irq_chip tegra_gpio_irq_chip = {
 	.name		= "GPIO",
@@ -251,6 +329,9 @@ static struct irq_chip tegra_gpio_irq_chip = {
 	.mask		= tegra_gpio_irq_mask,
 	.unmask		= tegra_gpio_irq_unmask,
 	.set_type	= tegra_gpio_irq_set_type,
+#ifdef CONFIG_PM
+	.set_wake	= tegra_gpio_wake_enable,
+#endif
 };
 
 
@@ -274,7 +355,7 @@ static int __init tegra_gpio_init(void)
 
 	gpiochip_add(&tegra_gpio_chip);
 
-	for (i = INT_GPIO_BASE; i < (INT_GPIO_BASE + ARCH_NR_GPIOS); i++) {
+	for (i = INT_GPIO_BASE; i < (INT_GPIO_BASE + TEGRA_NR_GPIOS); i++) {
 		bank = &tegra_gpio_banks[GPIO_BANK(irq_to_gpio(i))];
 
 		lockdep_set_class(&irq_desc[i].lock, &gpio_lock_class);
@@ -312,15 +393,16 @@ static int dbg_gpio_show(struct seq_file *s, void *unused)
 	for (i = 0; i < 7; i++) {
 		for (j = 0; j < 4; j++) {
 			int gpio = tegra_gpio_compose(i, j, 0);
-			seq_printf(s, "%d:%d %02x %02x %02x %02x %02x %02x %06x\n",
-			       i, j,
-			       __raw_readl(GPIO_CNF(gpio)),
-			       __raw_readl(GPIO_OE(gpio)),
-			       __raw_readl(GPIO_OUT(gpio)),
-			       __raw_readl(GPIO_IN(gpio)),
-			       __raw_readl(GPIO_INT_STA(gpio)),
-			       __raw_readl(GPIO_INT_ENB(gpio)),
-			       __raw_readl(GPIO_INT_LVL(gpio)));
+			seq_printf(s,
+				"%d:%d %02x %02x %02x %02x %02x %02x %06x\n",
+				i, j,
+				__raw_readl(GPIO_CNF(gpio)),
+				__raw_readl(GPIO_OE(gpio)),
+				__raw_readl(GPIO_OUT(gpio)),
+				__raw_readl(GPIO_IN(gpio)),
+				__raw_readl(GPIO_INT_STA(gpio)),
+				__raw_readl(GPIO_INT_ENB(gpio)),
+				__raw_readl(GPIO_INT_LVL(gpio)));
 		}
 	}
 	return 0;

arch/arm/mach-tegra/include/mach/clk.h

@@ -23,4 +23,9 @@
 void tegra_periph_reset_deassert(struct clk *c);
 void tegra_periph_reset_assert(struct clk *c);
 
+int clk_enable_cansleep(struct clk *clk);
+void clk_disable_cansleep(struct clk *clk);
+int clk_set_rate_cansleep(struct clk *clk, unsigned long rate);
+int clk_set_parent_cansleep(struct clk *clk, struct clk *parent);
+
 #endif

arch/arm/mach-tegra/include/mach/dma.h

+/*
+ * arch/arm/mach-tegra/include/mach/dma.h
+ *
+ * Copyright (c) 2008-2009, NVIDIA Corporation.
+ *
+ * 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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+#ifndef __MACH_TEGRA_DMA_H
+#define __MACH_TEGRA_DMA_H
+
+#include <linux/list.h>
+
+#if defined(CONFIG_TEGRA_SYSTEM_DMA)
+
+struct tegra_dma_req;
+struct tegra_dma_channel;
+
+#define TEGRA_DMA_REQ_SEL_CNTR			0
+#define TEGRA_DMA_REQ_SEL_I2S_2			1
+#define TEGRA_DMA_REQ_SEL_I2S_1			2
+#define TEGRA_DMA_REQ_SEL_SPD_I			3
+#define TEGRA_DMA_REQ_SEL_UI_I			4
+#define TEGRA_DMA_REQ_SEL_MIPI			5
+#define TEGRA_DMA_REQ_SEL_I2S2_2		6
+#define TEGRA_DMA_REQ_SEL_I2S2_1		7
+#define TEGRA_DMA_REQ_SEL_UARTA			8
+#define TEGRA_DMA_REQ_SEL_UARTB			9
+#define TEGRA_DMA_REQ_SEL_UARTC			10
+#define TEGRA_DMA_REQ_SEL_SPI			11
+#define TEGRA_DMA_REQ_SEL_AC97			12
+#define TEGRA_DMA_REQ_SEL_ACMODEM		13
+#define TEGRA_DMA_REQ_SEL_SL4B			14
+#define TEGRA_DMA_REQ_SEL_SL2B1			15
+#define TEGRA_DMA_REQ_SEL_SL2B2			16
+#define TEGRA_DMA_REQ_SEL_SL2B3			17
+#define TEGRA_DMA_REQ_SEL_SL2B4			18
+#define TEGRA_DMA_REQ_SEL_UARTD			19
+#define TEGRA_DMA_REQ_SEL_UARTE			20
+#define TEGRA_DMA_REQ_SEL_I2C			21
+#define TEGRA_DMA_REQ_SEL_I2C2			22
+#define TEGRA_DMA_REQ_SEL_I2C3			23
+#define TEGRA_DMA_REQ_SEL_DVC_I2C		24
+#define TEGRA_DMA_REQ_SEL_OWR			25
+#define TEGRA_DMA_REQ_SEL_INVALID		31
+
+enum tegra_dma_mode {
+	TEGRA_DMA_SHARED = 1,
+	TEGRA_DMA_MODE_CONTINOUS = 2,
+	TEGRA_DMA_MODE_ONESHOT = 4,
+};
+
+enum tegra_dma_req_error {
+	TEGRA_DMA_REQ_SUCCESS = 0,
+	TEGRA_DMA_REQ_ERROR_ABORTED,
+	TEGRA_DMA_REQ_INFLIGHT,
+};
+
+enum tegra_dma_req_buff_status {
+	TEGRA_DMA_REQ_BUF_STATUS_EMPTY = 0,
+	TEGRA_DMA_REQ_BUF_STATUS_HALF_FULL,
+	TEGRA_DMA_REQ_BUF_STATUS_FULL,
+};
+
+struct tegra_dma_req {
+	struct list_head node;
+	unsigned int modid;
+	int instance;
+
+	/* Called when the req is complete and from the DMA ISR context.
+	 * When this is called the req structure is no longer queued by
+	 * the DMA channel.
+	 *
+	 * State of the DMA depends on the number of req it has. If there are
+	 * no DMA requests queued up, then it will STOP the DMA. It there are
+	 * more requests in the DMA, then it will queue the next request.
+	 */
+	void (*complete)(struct tegra_dma_req *req);
+
+	/*  This is a called from the DMA ISR context when the DMA is still in
+	 *  progress and is actively filling same buffer.
+	 *
+	 *  In case of continous mode receive, this threshold is 1/2 the buffer
+	 *  size. In other cases, this will not even be called as there is no
+	 *  hardware support for it.
+	 *
+	 * In the case of continous mode receive, if there is next req already
+	 * queued, DMA programs the HW to use that req when this req is
+	 * completed. If there is no "next req" queued, then DMA ISR doesn't do
+	 * anything before calling this callback.
+	 *
+	 *	This is mainly used by the cases, where the clients has queued
+	 *	only one req and want to get some sort of DMA threshold
+	 *	callback to program the next buffer.
+	 *
+	 */
+	void (*threshold)(struct tegra_dma_req *req);
+
+	/* 1 to copy to memory.
+	 * 0 to copy from the memory to device FIFO */
+	int to_memory;
+
+	void *virt_addr;
+
+	unsigned long source_addr;
+	unsigned long dest_addr;
+	unsigned long dest_wrap;
+	unsigned long source_wrap;
+	unsigned long source_bus_width;
+	unsigned long dest_bus_width;
+	unsigned long req_sel;
+	unsigned int size;
+
+	/* Updated by the DMA driver on the conpletion of the request. */
+	int bytes_transferred;
+	int status;
+
+	/* DMA completion tracking information */
+	int buffer_status;
+
+	/* Client specific data */
+	void *dev;
+};
+
+int tegra_dma_enqueue_req(struct tegra_dma_channel *ch,
+	struct tegra_dma_req *req);
+int tegra_dma_dequeue_req(struct tegra_dma_channel *ch,
+	struct tegra_dma_req *req);
+void tegra_dma_dequeue(struct tegra_dma_channel *ch);
+void tegra_dma_flush(struct tegra_dma_channel *ch);
+
+bool tegra_dma_is_req_inflight(struct tegra_dma_channel *ch,
+	struct tegra_dma_req *req);
+bool tegra_dma_is_empty(struct tegra_dma_channel *ch);
+
+struct tegra_dma_channel *tegra_dma_allocate_channel(int mode);
+void tegra_dma_free_channel(struct tegra_dma_channel *ch);
+
+int __init tegra_dma_init(void);
+
+#endif
+
+#endif

arch/arm/mach-tegra/include/mach/gpio.h

@@ -22,7 +22,7 @@
 
 #include <mach/irqs.h>
 
-#define ARCH_NR_GPIOS		INT_GPIO_NR
+#define TEGRA_NR_GPIOS		INT_GPIO_NR
 
 #include <asm-generic/gpio.h>
 
@@ -35,7 +35,7 @@
 
 static inline int gpio_to_irq(unsigned int gpio)
 {
-	if (gpio < ARCH_NR_GPIOS)
+	if (gpio < TEGRA_NR_GPIOS)
 		return INT_GPIO_BASE + gpio;
 	return -EINVAL;
 }

arch/arm/mach-tegra/include/mach/hardware.h

@@ -21,4 +21,8 @@
 #ifndef __MACH_TEGRA_HARDWARE_H
 #define __MACH_TEGRA_HARDWARE_H
 
+#define PCIBIOS_MIN_IO			0x1000
+#define PCIBIOS_MIN_MEM			0
+#define pcibios_assign_all_busses()	1
+
 #endif

arch/arm/mach-tegra/include/mach/io.h

@@ -21,7 +21,7 @@
 #ifndef __MACH_TEGRA_IO_H
 #define __MACH_TEGRA_IO_H
 
-#define IO_SPACE_LIMIT 0xffffffff
+#define IO_SPACE_LIMIT 0xffff
 
 /* On TEGRA, many peripherals are very closely packed in
  * two 256MB io windows (that actually only use about 64KB
@@ -33,6 +33,10 @@
  *
  */
 
+#define IO_IRAM_PHYS	0x40000000
+#define IO_IRAM_VIRT	0xFE400000
+#define IO_IRAM_SIZE	SZ_256K
+
 #define IO_CPU_PHYS     0x50040000
 #define IO_CPU_VIRT     0xFE000000
 #define IO_CPU_SIZE	SZ_16K
@@ -55,6 +59,8 @@
 		IO_TO_VIRT_XLATE((n), IO_APB_PHYS, IO_APB_VIRT) :	\
 	IO_TO_VIRT_BETWEEN((n), IO_CPU_PHYS, IO_CPU_SIZE) ?		\
 		IO_TO_VIRT_XLATE((n), IO_CPU_PHYS, IO_CPU_VIRT) :	\
+	IO_TO_VIRT_BETWEEN((n), IO_IRAM_PHYS, IO_IRAM_SIZE) ?		\
+		IO_TO_VIRT_XLATE((n), IO_IRAM_PHYS, IO_IRAM_VIRT) :	\
 	0)
 
 #ifndef __ASSEMBLER__
@@ -67,10 +73,20 @@ void tegra_iounmap(volatile void __iomem *addr);
 
 #define IO_ADDRESS(n) ((void __iomem *) IO_TO_VIRT(n))
 
+#ifdef CONFIG_TEGRA_PCI
+extern void __iomem *tegra_pcie_io_base;
+
+static inline void __iomem *__io(unsigned long addr)
+{
+	return tegra_pcie_io_base + (addr & IO_SPACE_LIMIT);
+}
+#else
 static inline void __iomem *__io(unsigned long addr)
 {
 	return (void __iomem *)addr;
 }
+#endif
+
 #define __io(a)         __io(a)
 #define __mem_pci(a)    (a)
 

arch/arm/mach-tegra/include/mach/iomap.h

@@ -23,9 +23,15 @@
 
 #include <asm/sizes.h>
 
+#define TEGRA_IRAM_BASE			0x40000000
+#define TEGRA_IRAM_SIZE			SZ_256K
+
 #define TEGRA_ARM_PERIF_BASE		0x50040000
 #define TEGRA_ARM_PERIF_SIZE		SZ_8K
 
+#define TEGRA_ARM_PL310_BASE		0x50043000
+#define TEGRA_ARM_PL310_SIZE		SZ_4K
+
 #define TEGRA_ARM_INT_DIST_BASE		0x50041000
 #define TEGRA_ARM_INT_DIST_SIZE		SZ_4K
 
@@ -68,7 +74,22 @@
 #define TEGRA_FLOW_CTRL_BASE		0x60007000
 #define TEGRA_FLOW_CTRL_SIZE		20
 
-#define TEGRA_STATMON_BASE		0x6000C4000
+#define TEGRA_AHB_DMA_BASE		0x60008000
+#define TEGRA_AHB_DMA_SIZE		SZ_4K
+
+#define TEGRA_AHB_DMA_CH0_BASE		0x60009000
+#define TEGRA_AHB_DMA_CH0_SIZE		32
+
+#define TEGRA_APB_DMA_BASE		0x6000A000
+#define TEGRA_APB_DMA_SIZE		SZ_4K
+
+#define TEGRA_APB_DMA_CH0_BASE		0x6000B000
+#define TEGRA_APB_DMA_CH0_SIZE		32
+
+#define TEGRA_AHB_GIZMO_BASE		0x6000C004
+#define TEGRA_AHB_GIZMO_SIZE		0x10C
+
+#define TEGRA_STATMON_BASE		0x6000C400
 #define TEGRA_STATMON_SIZE		SZ_1K
 
 #define TEGRA_GPIO_BASE			0x6000D000
@@ -137,7 +158,7 @@
 #define TEGRA_I2C3_BASE			0x7000C500
 #define TEGRA_I2C3_SIZE			SZ_256
 
-#define TEGRA_OWR_BASE			0x7000D000
+#define TEGRA_OWR_BASE			0x7000C600
 #define TEGRA_OWR_SIZE			80
 
 #define TEGRA_DVC_BASE			0x7000D000
@@ -182,12 +203,12 @@
 #define TEGRA_USB_BASE			0xC5000000
 #define TEGRA_USB_SIZE			SZ_16K
 
-#define TEGRA_USB1_BASE			0xC5004000
-#define TEGRA_USB1_SIZE			SZ_16K
-
-#define TEGRA_USB2_BASE			0xC5008000
+#define TEGRA_USB2_BASE			0xC5004000
 #define TEGRA_USB2_SIZE			SZ_16K
 
+#define TEGRA_USB3_BASE			0xC5008000
+#define TEGRA_USB3_SIZE			SZ_16K
+
 #define TEGRA_SDMMC1_BASE		0xC8000000
 #define TEGRA_SDMMC1_SIZE		SZ_512
 

arch/arm/mach-tegra/include/mach/irqs.h

@@ -25,6 +25,7 @@
 
 #define IRQ_LOCALTIMER                  29
 
+#ifdef CONFIG_ARCH_TEGRA_2x_SOC
 /* Primary Interrupt Controller */
 #define INT_PRI_BASE			(INT_GIC_BASE + 32)
 #define INT_TMR1			(INT_PRI_BASE + 0)
@@ -169,5 +170,6 @@
 #define INT_GPIO_NR			(28 * 8)
 
 #define NR_IRQS				(INT_GPIO_BASE + INT_GPIO_NR)
+#endif
 
 #endif

arch/arm/mach-tegra/include/mach/legacy_irq.h

+/*
+ * arch/arm/mach-tegra/include/mach/legacy_irq.h
+ *
+ * Copyright (C) 2010 Google, Inc.
+ * Author: Colin Cross <ccross@android.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * 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.
+ *
+ */
+
+#ifndef _ARCH_ARM_MACH_TEGRA_LEGARY_IRQ_H
+#define _ARCH_ARM_MACH_TEGRA_LEGARY_IRQ_H
+
+void tegra_legacy_mask_irq(unsigned int irq);
+void tegra_legacy_unmask_irq(unsigned int irq);
+void tegra_legacy_select_fiq(unsigned int irq, bool fiq);
+void tegra_legacy_force_irq_set(unsigned int irq);
+void tegra_legacy_force_irq_clr(unsigned int irq);
+int tegra_legacy_force_irq_status(unsigned int irq);
+void tegra_legacy_select_fiq(unsigned int irq, bool fiq);
+unsigned long tegra_legacy_vfiq(int nr);
+unsigned long tegra_legacy_class(int nr);
+
+#endif

arch/arm/mach-tegra/include/mach/pinmux-t2.h

+/*
+ * linux/arch/arm/mach-tegra/include/mach/pinmux-t2.h
+ *
+ * Copyright (C) 2010 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * 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.
+ *
+ */
+
+#ifndef __MACH_TEGRA_PINMUX_T2_H
+#define __MACH_TEGRA_PINMUX_T2_H
+
+enum tegra_pingroup {
+	TEGRA_PINGROUP_ATA = 0,
+	TEGRA_PINGROUP_ATB,
+	TEGRA_PINGROUP_ATC,
+	TEGRA_PINGROUP_ATD,
+	TEGRA_PINGROUP_ATE,
+	TEGRA_PINGROUP_CDEV1,
+	TEGRA_PINGROUP_CDEV2,
+	TEGRA_PINGROUP_CRTP,
+	TEGRA_PINGROUP_CSUS,
+	TEGRA_PINGROUP_DAP1,
+	TEGRA_PINGROUP_DAP2,
+	TEGRA_PINGROUP_DAP3,
+	TEGRA_PINGROUP_DAP4,
+	TEGRA_PINGROUP_DDC,
+	TEGRA_PINGROUP_DTA,
+	TEGRA_PINGROUP_DTB,
+	TEGRA_PINGROUP_DTC,
+	TEGRA_PINGROUP_DTD,
+	TEGRA_PINGROUP_DTE,
+	TEGRA_PINGROUP_DTF,
+	TEGRA_PINGROUP_GMA,
+	TEGRA_PINGROUP_GMB,
+	TEGRA_PINGROUP_GMC,
+	TEGRA_PINGROUP_GMD,
+	TEGRA_PINGROUP_GME,
+	TEGRA_PINGROUP_GPU,
+	TEGRA_PINGROUP_GPU7,
+	TEGRA_PINGROUP_GPV,
+	TEGRA_PINGROUP_HDINT,
+	TEGRA_PINGROUP_I2CP,
+	TEGRA_PINGROUP_IRRX,
+	TEGRA_PINGROUP_IRTX,
+	TEGRA_PINGROUP_KBCA,
+	TEGRA_PINGROUP_KBCB,
+	TEGRA_PINGROUP_KBCC,
+	TEGRA_PINGROUP_KBCD,
+	TEGRA_PINGROUP_KBCE,
+	TEGRA_PINGROUP_KBCF,
+	TEGRA_PINGROUP_LCSN,
+	TEGRA_PINGROUP_LD0,
+	TEGRA_PINGROUP_LD1,
+	TEGRA_PINGROUP_LD10,
+	TEGRA_PINGROUP_LD11,
+	TEGRA_PINGROUP_LD12,
+	TEGRA_PINGROUP_LD13,
+	TEGRA_PINGROUP_LD14,
+	TEGRA_PINGROUP_LD15,
+	TEGRA_PINGROUP_LD16,
+	TEGRA_PINGROUP_LD17,
+	TEGRA_PINGROUP_LD2,
+	TEGRA_PINGROUP_LD3,
+	TEGRA_PINGROUP_LD4,
+	TEGRA_PINGROUP_LD5,
+	TEGRA_PINGROUP_LD6,
+	TEGRA_PINGROUP_LD7,
+	TEGRA_PINGROUP_LD8,
+	TEGRA_PINGROUP_LD9,
+	TEGRA_PINGROUP_LDC,
+	TEGRA_PINGROUP_LDI,
+	TEGRA_PINGROUP_LHP0,
+	TEGRA_PINGROUP_LHP1,
+	TEGRA_PINGROUP_LHP2,
+	TEGRA_PINGROUP_LHS,
+	TEGRA_PINGROUP_LM0,
+	TEGRA_PINGROUP_LM1,
+	TEGRA_PINGROUP_LPP,
+	TEGRA_PINGROUP_LPW0,
+	TEGRA_PINGROUP_LPW1,
+	TEGRA_PINGROUP_LPW2,
+	TEGRA_PINGROUP_LSC0,
+	TEGRA_PINGROUP_LSC1,
+	TEGRA_PINGROUP_LSCK,
+	TEGRA_PINGROUP_LSDA,
+	TEGRA_PINGROUP_LSDI,
+	TEGRA_PINGROUP_LSPI,
+	TEGRA_PINGROUP_LVP0,
+	TEGRA_PINGROUP_LVP1,
+	TEGRA_PINGROUP_LVS,
+	TEGRA_PINGROUP_OWC,
+	TEGRA_PINGROUP_PMC,
+	TEGRA_PINGROUP_PTA,
+	TEGRA_PINGROUP_RM,
+	TEGRA_PINGROUP_SDB,
+	TEGRA_PINGROUP_SDC,
+	TEGRA_PINGROUP_SDD,
+	TEGRA_PINGROUP_SDIO1,
+	TEGRA_PINGROUP_SLXA,
+	TEGRA_PINGROUP_SLXC,
+	TEGRA_PINGROUP_SLXD,
+	TEGRA_PINGROUP_SLXK,
+	TEGRA_PINGROUP_SPDI,
+	TEGRA_PINGROUP_SPDO,
+	TEGRA_PINGROUP_SPIA,
+	TEGRA_PINGROUP_SPIB,
+	TEGRA_PINGROUP_SPIC,
+	TEGRA_PINGROUP_SPID,
+	TEGRA_PINGROUP_SPIE,
+	TEGRA_PINGROUP_SPIF,
+	TEGRA_PINGROUP_SPIG,
+	TEGRA_PINGROUP_SPIH,
+	TEGRA_PINGROUP_UAA,
+	TEGRA_PINGROUP_UAB,
+	TEGRA_PINGROUP_UAC,
+	TEGRA_PINGROUP_UAD,
+	TEGRA_PINGROUP_UCA,
+	TEGRA_PINGROUP_UCB,
+	TEGRA_PINGROUP_UDA,
+	/* these pin groups only have pullup and pull down control */
+	TEGRA_PINGROUP_CK32,
+	TEGRA_PINGROUP_DDRC,
+	TEGRA_PINGROUP_PMCA,
+	TEGRA_PINGROUP_PMCB,
+	TEGRA_PINGROUP_PMCC,
+	TEGRA_PINGROUP_PMCD,
+	TEGRA_PINGROUP_PMCE,
+	TEGRA_PINGROUP_XM2C,
+	TEGRA_PINGROUP_XM2D,
+	TEGRA_MAX_PINGROUP,
+};
+
+enum tegra_drive_pingroup {
+	TEGRA_DRIVE_PINGROUP_AO1 = 0,
+	TEGRA_DRIVE_PINGROUP_AO2,
+	TEGRA_DRIVE_PINGROUP_AT1,
+	TEGRA_DRIVE_PINGROUP_AT2,
+	TEGRA_DRIVE_PINGROUP_CDEV1,
+	TEGRA_DRIVE_PINGROUP_CDEV2,
+	TEGRA_DRIVE_PINGROUP_CSUS,
+	TEGRA_DRIVE_PINGROUP_DAP1,
+	TEGRA_DRIVE_PINGROUP_DAP2,
+	TEGRA_DRIVE_PINGROUP_DAP3,
+	TEGRA_DRIVE_PINGROUP_DAP4,
+	TEGRA_DRIVE_PINGROUP_DBG,
+	TEGRA_DRIVE_PINGROUP_LCD1,
+	TEGRA_DRIVE_PINGROUP_LCD2,
+	TEGRA_DRIVE_PINGROUP_SDMMC2,
+	TEGRA_DRIVE_PINGROUP_SDMMC3,
+	TEGRA_DRIVE_PINGROUP_SPI,
+	TEGRA_DRIVE_PINGROUP_UAA,
+	TEGRA_DRIVE_PINGROUP_UAB,
+	TEGRA_DRIVE_PINGROUP_UART2,
+	TEGRA_DRIVE_PINGROUP_UART3,
+	TEGRA_DRIVE_PINGROUP_VI1,
+	TEGRA_DRIVE_PINGROUP_VI2,
+	TEGRA_DRIVE_PINGROUP_XM2A,
+	TEGRA_DRIVE_PINGROUP_XM2C,
+	TEGRA_DRIVE_PINGROUP_XM2D,
+	TEGRA_DRIVE_PINGROUP_XM2CLK,
+	TEGRA_DRIVE_PINGROUP_MEMCOMP,
+	TEGRA_MAX_DRIVE_PINGROUP,
+};
+
+#endif
+

arch/arm/mach-tegra/include/mach/pinmux.h

@@ -17,126 +17,11 @@
 #ifndef __MACH_TEGRA_PINMUX_H
 #define __MACH_TEGRA_PINMUX_H
 
-enum tegra_pingroup {
-	TEGRA_PINGROUP_ATA = 0,
-	TEGRA_PINGROUP_ATB,
-	TEGRA_PINGROUP_ATC,
-	TEGRA_PINGROUP_ATD,
-	TEGRA_PINGROUP_ATE,
-	TEGRA_PINGROUP_CDEV1,
-	TEGRA_PINGROUP_CDEV2,
-	TEGRA_PINGROUP_CRTP,
-	TEGRA_PINGROUP_CSUS,
-	TEGRA_PINGROUP_DAP1,
-	TEGRA_PINGROUP_DAP2,
-	TEGRA_PINGROUP_DAP3,
-	TEGRA_PINGROUP_DAP4,
-	TEGRA_PINGROUP_DDC,
-	TEGRA_PINGROUP_DTA,
-	TEGRA_PINGROUP_DTB,
-	TEGRA_PINGROUP_DTC,
-	TEGRA_PINGROUP_DTD,
-	TEGRA_PINGROUP_DTE,
-	TEGRA_PINGROUP_DTF,
-	TEGRA_PINGROUP_GMA,
-	TEGRA_PINGROUP_GMB,
-	TEGRA_PINGROUP_GMC,
-	TEGRA_PINGROUP_GMD,
-	TEGRA_PINGROUP_GME,
-	TEGRA_PINGROUP_GPU,
-	TEGRA_PINGROUP_GPU7,
-	TEGRA_PINGROUP_GPV,
-	TEGRA_PINGROUP_HDINT,
-	TEGRA_PINGROUP_I2CP,
-	TEGRA_PINGROUP_IRRX,
-	TEGRA_PINGROUP_IRTX,
-	TEGRA_PINGROUP_KBCA,
-	TEGRA_PINGROUP_KBCB,
-	TEGRA_PINGROUP_KBCC,
-	TEGRA_PINGROUP_KBCD,
-	TEGRA_PINGROUP_KBCE,
-	TEGRA_PINGROUP_KBCF,
-	TEGRA_PINGROUP_LCSN,
-	TEGRA_PINGROUP_LD0,
-	TEGRA_PINGROUP_LD1,
-	TEGRA_PINGROUP_LD10,
-	TEGRA_PINGROUP_LD11,
-	TEGRA_PINGROUP_LD12,
-	TEGRA_PINGROUP_LD13,
-	TEGRA_PINGROUP_LD14,
-	TEGRA_PINGROUP_LD15,
-	TEGRA_PINGROUP_LD16,
-	TEGRA_PINGROUP_LD17,
-	TEGRA_PINGROUP_LD2,
-	TEGRA_PINGROUP_LD3,
-	TEGRA_PINGROUP_LD4,
-	TEGRA_PINGROUP_LD5,
-	TEGRA_PINGROUP_LD6,
-	TEGRA_PINGROUP_LD7,
-	TEGRA_PINGROUP_LD8,
-	TEGRA_PINGROUP_LD9,
-	TEGRA_PINGROUP_LDC,
-	TEGRA_PINGROUP_LDI,
-	TEGRA_PINGROUP_LHP0,
-	TEGRA_PINGROUP_LHP1,
-	TEGRA_PINGROUP_LHP2,
-	TEGRA_PINGROUP_LHS,
-	TEGRA_PINGROUP_LM0,
-	TEGRA_PINGROUP_LM1,
-	TEGRA_PINGROUP_LPP,
-	TEGRA_PINGROUP_LPW0,
-	TEGRA_PINGROUP_LPW1,
-	TEGRA_PINGROUP_LPW2,
-	TEGRA_PINGROUP_LSC0,
-	TEGRA_PINGROUP_LSC1,
-	TEGRA_PINGROUP_LSCK,
-	TEGRA_PINGROUP_LSDA,
-	TEGRA_PINGROUP_LSDI,
-	TEGRA_PINGROUP_LSPI,
-	TEGRA_PINGROUP_LVP0,
-	TEGRA_PINGROUP_LVP1,
-	TEGRA_PINGROUP_LVS,
-	TEGRA_PINGROUP_OWC,
-	TEGRA_PINGROUP_PMC,
-	TEGRA_PINGROUP_PTA,
-	TEGRA_PINGROUP_RM,
-	TEGRA_PINGROUP_SDB,
-	TEGRA_PINGROUP_SDC,
-	TEGRA_PINGROUP_SDD,
-	TEGRA_PINGROUP_SDIO1,
-	TEGRA_PINGROUP_SLXA,
-	TEGRA_PINGROUP_SLXC,
-	TEGRA_PINGROUP_SLXD,
-	TEGRA_PINGROUP_SLXK,
-	TEGRA_PINGROUP_SPDI,
-	TEGRA_PINGROUP_SPDO,
-	TEGRA_PINGROUP_SPIA,
-	TEGRA_PINGROUP_SPIB,
-	TEGRA_PINGROUP_SPIC,
-	TEGRA_PINGROUP_SPID,
-	TEGRA_PINGROUP_SPIE,
-	TEGRA_PINGROUP_SPIF,
-	TEGRA_PINGROUP_SPIG,
-	TEGRA_PINGROUP_SPIH,
-	TEGRA_PINGROUP_UAA,
-	TEGRA_PINGROUP_UAB,
-	TEGRA_PINGROUP_UAC,
-	TEGRA_PINGROUP_UAD,
-	TEGRA_PINGROUP_UCA,
-	TEGRA_PINGROUP_UCB,
-	TEGRA_PINGROUP_UDA,
-	/* these pin groups only have pullup and pull down control */
-	TEGRA_PINGROUP_CK32,
-	TEGRA_PINGROUP_DDRC,
-	TEGRA_PINGROUP_PMCA,
-	TEGRA_PINGROUP_PMCB,
-	TEGRA_PINGROUP_PMCC,
-	TEGRA_PINGROUP_PMCD,
-	TEGRA_PINGROUP_PMCE,
-	TEGRA_PINGROUP_XM2C,
-	TEGRA_PINGROUP_XM2D,
-	TEGRA_MAX_PINGROUP,
-};
+#if defined(CONFIG_ARCH_TEGRA_2x_SOC)
+#include "pinmux-t2.h"
+#else
+#error "Undefined Tegra architecture"
+#endif
 
 enum tegra_mux_func {
 	TEGRA_MUX_RSVD = 0x8000,
@@ -205,6 +90,7 @@ enum tegra_mux_func {
 	TEGRA_MUX_VI,
 	TEGRA_MUX_VI_SENSOR_CLK,
 	TEGRA_MUX_XIO,
+	TEGRA_MUX_SAFE,
 	TEGRA_MAX_MUX,
 };
 
@@ -219,6 +105,18 @@ enum tegra_tristate {
 	TEGRA_TRI_TRISTATE = 1,
 };
 
+enum tegra_vddio {
+	TEGRA_VDDIO_BB = 0,
+	TEGRA_VDDIO_LCD,
+	TEGRA_VDDIO_VI,
+	TEGRA_VDDIO_UART,
+	TEGRA_VDDIO_DDR,
+	TEGRA_VDDIO_NAND,
+	TEGRA_VDDIO_SYS,
+	TEGRA_VDDIO_AUDIO,
+	TEGRA_VDDIO_SD,
+};
+
 struct tegra_pingroup_config {
 	enum tegra_pingroup	pingroup;
 	enum tegra_mux_func	func;
@@ -270,38 +168,6 @@ enum tegra_pull_strength {
 	TEGRA_MAX_PULL,
 };
 
-enum tegra_drive_pingroup {
-	TEGRA_DRIVE_PINGROUP_AO1 = 0,
-	TEGRA_DRIVE_PINGROUP_AO2,
-	TEGRA_DRIVE_PINGROUP_AT1,
-	TEGRA_DRIVE_PINGROUP_AT2,
-	TEGRA_DRIVE_PINGROUP_CDEV1,
-	TEGRA_DRIVE_PINGROUP_CDEV2,
-	TEGRA_DRIVE_PINGROUP_CSUS,
-	TEGRA_DRIVE_PINGROUP_DAP1,
-	TEGRA_DRIVE_PINGROUP_DAP2,
-	TEGRA_DRIVE_PINGROUP_DAP3,
-	TEGRA_DRIVE_PINGROUP_DAP4,
-	TEGRA_DRIVE_PINGROUP_DBG,
-	TEGRA_DRIVE_PINGROUP_LCD1,
-	TEGRA_DRIVE_PINGROUP_LCD2,
-	TEGRA_DRIVE_PINGROUP_SDMMC2,
-	TEGRA_DRIVE_PINGROUP_SDMMC3,
-	TEGRA_DRIVE_PINGROUP_SPI,
-	TEGRA_DRIVE_PINGROUP_UAA,
-	TEGRA_DRIVE_PINGROUP_UAB,
-	TEGRA_DRIVE_PINGROUP_UART2,
-	TEGRA_DRIVE_PINGROUP_UART3,
-	TEGRA_DRIVE_PINGROUP_VI1,
-	TEGRA_DRIVE_PINGROUP_VI2,
-	TEGRA_DRIVE_PINGROUP_XM2A,
-	TEGRA_DRIVE_PINGROUP_XM2C,
-	TEGRA_DRIVE_PINGROUP_XM2D,
-	TEGRA_DRIVE_PINGROUP_XM2CLK,
-	TEGRA_DRIVE_PINGROUP_MEMCOMP,
-	TEGRA_MAX_DRIVE_PINGROUP,
-};
-
 enum tegra_drive {
 	TEGRA_DRIVE_DIV_8 = 0,
 	TEGRA_DRIVE_DIV_4,
@@ -331,18 +197,44 @@ struct tegra_drive_pingroup_config {
 	enum tegra_slew slew_falling;
 };
 
-int tegra_pinmux_set_func(enum tegra_pingroup pg, enum tegra_mux_func func);
-int tegra_pinmux_set_tristate(enum tegra_pingroup pg, enum tegra_tristate tristate);
-int tegra_pinmux_set_pullupdown(enum tegra_pingroup pg, enum tegra_pullupdown pupd);
+struct tegra_drive_pingroup_desc {
+	const char *name;
+	s16 reg;
+};
+
+struct tegra_pingroup_desc {
+	const char *name;
+	int funcs[4];
+	int func_safe;
+	int vddio;
+	s16 tri_reg; 	/* offset into the TRISTATE_REG_* register bank */
+	s16 mux_reg;	/* offset into the PIN_MUX_CTL_* register bank */
+	s16 pupd_reg;	/* offset into the PULL_UPDOWN_REG_* register bank */
+	s8 tri_bit; 	/* offset into the TRISTATE_REG_* register bit */
+	s8 mux_bit;	/* offset into the PIN_MUX_CTL_* register bit */
+	s8 pupd_bit;	/* offset into the PULL_UPDOWN_REG_* register bit */
+};
+
+extern const struct tegra_pingroup_desc tegra_soc_pingroups[];
+extern const struct tegra_drive_pingroup_desc tegra_soc_drive_pingroups[];
 
-void tegra_pinmux_config_pingroup(enum tegra_pingroup pingroup,
-	enum tegra_mux_func func, enum tegra_pullupdown pupd,
+int tegra_pinmux_set_tristate(enum tegra_pingroup pg,
 	enum tegra_tristate tristate);
+int tegra_pinmux_set_pullupdown(enum tegra_pingroup pg,
+	enum tegra_pullupdown pupd);
 
-void tegra_pinmux_config_table(struct tegra_pingroup_config *config, int len);
+void tegra_pinmux_config_table(const struct tegra_pingroup_config *config,
+	int len);
 
 void tegra_drive_pinmux_config_table(struct tegra_drive_pingroup_config *config,
 	int len);
-
+void tegra_pinmux_set_safe_pinmux_table(const struct tegra_pingroup_config *config,
+	int len);
+void tegra_pinmux_config_pinmux_table(const struct tegra_pingroup_config *config,
+	int len);
+void tegra_pinmux_config_tristate_table(const struct tegra_pingroup_config *config,
+	int len, enum tegra_tristate tristate);
+void tegra_pinmux_config_pullupdown_table(const struct tegra_pingroup_config *config,
+	int len, enum tegra_pullupdown pupd);
 #endif
 

arch/arm/mach-tegra/io.c

@@ -49,6 +49,12 @@ static struct map_desc tegra_io_desc[] __initdata = {
 		.length = IO_CPU_SIZE,
 		.type = MT_DEVICE,
 	},
+	{
+		.virtual = IO_IRAM_VIRT,
+		.pfn = __phys_to_pfn(IO_IRAM_PHYS),
+		.length = IO_IRAM_SIZE,
+		.type = MT_DEVICE,
+	},
 };
 
 void __init tegra_map_common_io(void)

arch/arm/mach-tegra/irq.c

@@ -4,6 +4,8 @@
  * Author:
  *	Colin Cross <ccross@google.com>
  *
+ * Copyright (C) 2010, NVIDIA Corporation
+ *
  * This software is licensed under the terms of the GNU General Public
  * License version 2, as published by the Free Software Foundation, and
  * may be copied, distributed, and modified under those terms.
@@ -27,8 +29,143 @@
 
 #include "board.h"
 
+#define INT_SYS_NR	(INT_GPIO_BASE - INT_PRI_BASE)
+#define INT_SYS_SZ	(INT_SEC_BASE - INT_PRI_BASE)
+#define PPI_NR		((INT_SYS_NR+INT_SYS_SZ-1)/INT_SYS_SZ)
+
+#define APBDMA_IRQ_STA_CPU  0x14
+#define APBDMA_IRQ_MASK_SET 0x20
+#define APBDMA_IRQ_MASK_CLR 0x24
+
+#define ICTLR_CPU_IER		0x20
+#define ICTLR_CPU_IER_SET	0x24
+#define ICTLR_CPU_IER_CLR	0x28
+#define ICTLR_CPU_IEP_CLASS	0x2c
+#define ICTLR_COP_IER		0x30
+#define ICTLR_COP_IER_SET	0x34
+#define ICTLR_COP_IER_CLR	0x38
+#define ICTLR_COP_IEP_CLASS	0x3c
+
+static void (*gic_mask_irq)(unsigned int irq);
+static void (*gic_unmask_irq)(unsigned int irq);
+
+#define irq_to_ictlr(irq) (((irq)-32) >> 5)
+static void __iomem *tegra_ictlr_base = IO_ADDRESS(TEGRA_PRIMARY_ICTLR_BASE);
+#define ictlr_to_virt(ictlr) (tegra_ictlr_base + (ictlr)*0x100)
+
+static void tegra_mask(unsigned int irq)
+{
+	void __iomem *addr = ictlr_to_virt(irq_to_ictlr(irq));
+	gic_mask_irq(irq);
+	writel(1<<(irq&31), addr+ICTLR_CPU_IER_CLR);
+}
+
+static void tegra_unmask(unsigned int irq)
+{
+	void __iomem *addr = ictlr_to_virt(irq_to_ictlr(irq));
+	gic_unmask_irq(irq);
+	writel(1<<(irq&31), addr+ICTLR_CPU_IER_SET);
+}
+
+#ifdef CONFIG_PM
+
+static int tegra_set_wake(unsigned int irq, unsigned int on)
+{
+	return 0;
+}
+#endif
+
+static struct irq_chip tegra_irq = {
+	.name		= "PPI",
+	.mask		= tegra_mask,
+	.unmask		= tegra_unmask,
+#ifdef CONFIG_PM
+	.set_wake	= tegra_set_wake,
+#endif
+};
+
 void __init tegra_init_irq(void)
 {
+	struct irq_chip *gic;
+	unsigned int i;
+
+	for (i = 0; i < PPI_NR; i++) {
+		writel(~0, ictlr_to_virt(i) + ICTLR_CPU_IER_CLR);
+		writel(0, ictlr_to_virt(i) + ICTLR_CPU_IEP_CLASS);
+	}
+
 	gic_dist_init(0, IO_ADDRESS(TEGRA_ARM_INT_DIST_BASE), 29);
 	gic_cpu_init(0, IO_ADDRESS(TEGRA_ARM_PERIF_BASE + 0x100));
+
+	gic = get_irq_chip(29);
+	gic_unmask_irq = gic->unmask;
+	gic_mask_irq = gic->mask;
+	tegra_irq.ack = gic->ack;
+#ifdef CONFIG_SMP
+	tegra_irq.set_affinity = gic->set_affinity;
+#endif
+
+	for (i = INT_PRI_BASE; i < INT_GPIO_BASE; i++) {
+		set_irq_chip(i, &tegra_irq);
+		set_irq_handler(i, handle_level_irq);
+		set_irq_flags(i, IRQF_VALID);
+	}
+}
+
+#ifdef CONFIG_PM
+static u32 cop_ier[PPI_NR];
+static u32 cpu_ier[PPI_NR];
+static u32 cpu_iep[PPI_NR];
+
+void tegra_irq_suspend(void)
+{
+	unsigned long flags;
+	int i;
+
+	for (i = INT_PRI_BASE; i < INT_GPIO_BASE; i++) {
+		struct irq_desc *desc = irq_to_desc(i);
+		if (!desc)
+			continue;
+		if (desc->status & IRQ_WAKEUP) {
+			pr_debug("irq %d is wakeup\n", i);
+			continue;
+		}
+		disable_irq(i);
+	}
+
+	local_irq_save(flags);
+	for (i = 0; i < PPI_NR; i++) {
+		void __iomem *ictlr = ictlr_to_virt(i);
+		cpu_ier[i] = readl(ictlr + ICTLR_CPU_IER);
+		cpu_iep[i] = readl(ictlr + ICTLR_CPU_IEP_CLASS);
+		cop_ier[i] = readl(ictlr + ICTLR_COP_IER);
+		writel(~0, ictlr + ICTLR_COP_IER_CLR);
+	}
+	local_irq_restore(flags);
+}
+
+void tegra_irq_resume(void)
+{
+	unsigned long flags;
+	int i;
+
+	local_irq_save(flags);
+	for (i = 0; i < PPI_NR; i++) {
+		void __iomem *ictlr = ictlr_to_virt(i);
+		writel(cpu_iep[i], ictlr + ICTLR_CPU_IEP_CLASS);
+		writel(~0ul, ictlr + ICTLR_CPU_IER_CLR);
+		writel(cpu_ier[i], ictlr + ICTLR_CPU_IER_SET);
+		writel(0, ictlr + ICTLR_COP_IEP_CLASS);
+		writel(~0ul, ictlr + ICTLR_COP_IER_CLR);
+		writel(cop_ier[i], ictlr + ICTLR_COP_IER_SET);
+	}
+	local_irq_restore(flags);
+
+	for (i = INT_PRI_BASE; i < INT_GPIO_BASE; i++) {
+		struct irq_desc *desc = irq_to_desc(i);
+		if (!desc || (desc->status & IRQ_WAKEUP))
+			continue;
+		enable_irq(i);
+	}
 }
+#endif

arch/arm/mach-tegra/legacy_irq.c

+/*
+ * arch/arm/mach-tegra/legacy_irq.c
+ *
+ * Copyright (C) 2010 Google, Inc.
+ * Author: Colin Cross <ccross@android.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * 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.
+ *
+ */
+
+#include <linux/io.h>
+#include <linux/kernel.h>
+#include <mach/iomap.h>
+#include <mach/legacy_irq.h>
+
+#define ICTLR_CPU_IER		0x20
+#define ICTLR_CPU_IER_SET	0x24
+#define ICTLR_CPU_IER_CLR	0x28
+#define ICTLR_CPU_IEP_CLASS	0x2C
+#define ICTLR_CPU_IEP_VFIQ	0x08
+#define ICTLR_CPU_IEP_FIR	0x14
+#define ICTLR_CPU_IEP_FIR_SET	0x18
+#define ICTLR_CPU_IEP_FIR_CLR	0x1c
+
+static void __iomem *ictlr_reg_base[] = {
+	IO_ADDRESS(TEGRA_PRIMARY_ICTLR_BASE),
+	IO_ADDRESS(TEGRA_SECONDARY_ICTLR_BASE),
+	IO_ADDRESS(TEGRA_TERTIARY_ICTLR_BASE),
+	IO_ADDRESS(TEGRA_QUATERNARY_ICTLR_BASE),
+};
+
+/* When going into deep sleep, the CPU is powered down, taking the GIC with it
+   In order to wake, the wake interrupts need to be enabled in the legacy
+   interrupt controller. */
+void tegra_legacy_unmask_irq(unsigned int irq)
+{
+	void __iomem *base;
+	pr_debug("%s: %d\n", __func__, irq);
+
+	irq -= 32;
+	base = ictlr_reg_base[irq>>5];
+	writel(1 << (irq & 31), base + ICTLR_CPU_IER_SET);
+}
+
+void tegra_legacy_mask_irq(unsigned int irq)
+{
+	void __iomem *base;
+	pr_debug("%s: %d\n", __func__, irq);
+
+	irq -= 32;
+	base = ictlr_reg_base[irq>>5];
+	writel(1 << (irq & 31), base + ICTLR_CPU_IER_CLR);
+}
+
+void tegra_legacy_force_irq_set(unsigned int irq)
+{
+	void __iomem *base;
+	pr_debug("%s: %d\n", __func__, irq);
+
+	irq -= 32;
+	base = ictlr_reg_base[irq>>5];
+	writel(1 << (irq & 31), base + ICTLR_CPU_IEP_FIR_SET);
+}
+
+void tegra_legacy_force_irq_clr(unsigned int irq)
+{
+	void __iomem *base;
+	pr_debug("%s: %d\n", __func__, irq);
+
+	irq -= 32;
+	base = ictlr_reg_base[irq>>5];
+	writel(1 << (irq & 31), base + ICTLR_CPU_IEP_FIR_CLR);
+}
+
+int tegra_legacy_force_irq_status(unsigned int irq)
+{
+	void __iomem *base;
+	pr_debug("%s: %d\n", __func__, irq);
+
+	irq -= 32;
+	base = ictlr_reg_base[irq>>5];
+	return !!(readl(base + ICTLR_CPU_IEP_FIR) & (1 << (irq & 31)));
+}
+
+void tegra_legacy_select_fiq(unsigned int irq, bool fiq)
+{
+	void __iomem *base;
+	pr_debug("%s: %d\n", __func__, irq);
+
+	irq -= 32;
+	base = ictlr_reg_base[irq>>5];
+	writel(fiq << (irq & 31), base + ICTLR_CPU_IEP_CLASS);
+}
+
+unsigned long tegra_legacy_vfiq(int nr)
+{
+	void __iomem *base;
+	base = ictlr_reg_base[nr];
+	return readl(base + ICTLR_CPU_IEP_VFIQ);
+}
+
+unsigned long tegra_legacy_class(int nr)
+{
+	void __iomem *base;
+	base = ictlr_reg_base[nr];
+	return readl(base + ICTLR_CPU_IEP_CLASS);
+}

arch/arm/mach-tegra/tegra2_dvfs.c

+/*
+ * arch/arm/mach-tegra/tegra2_dvfs.c
+ *
+ * Copyright (C) 2010 Google, Inc.
+ *
+ * Author:
+ *	Colin Cross <ccross@google.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * 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.
+ *
+ */
+
+#include <linux/kernel.h>
+
+#include "clock.h"
+#include "tegra2_dvfs.h"
+
+static struct dvfs_table virtual_cpu_process_0[] = {
+	{314000000,  750},
+	{456000000,  825},
+	{608000000,  900},
+	{760000000,  975},
+	{817000000,  1000},
+	{912000000,  1050},
+	{1000000000, 1100},
+	{0, 0},
+};
+
+static struct dvfs_table virtual_cpu_process_1[] = {
+	{314000000,  750},
+	{456000000,  825},
+	{618000000,  900},
+	{770000000,  975},
+	{827000000,  1000},
+	{922000000,  1050},
+	{1000000000, 1100},
+	{0, 0},
+};
+
+static struct dvfs_table virtual_cpu_process_2[] = {
+	{494000000,  750},
+	{675000000,  825},
+	{817000000,  875},
+	{922000000,  925},
+	{1000000000, 975},
+	{0, 0},
+};
+
+static struct dvfs_table virtual_cpu_process_3[] = {
+	{730000000,  750},
+	{760000000,  775},
+	{845000000,  800},
+	{1000000000, 875},
+	{0, 0},
+};
+
+struct dvfs tegra_dvfs_virtual_cpu_dvfs = {
+	.reg_id = "vdd_cpu",
+	.process_id_table = {
+		{
+			.process_id = 0,
+			.table = virtual_cpu_process_0,
+		},
+		{
+			.process_id = 1,
+			.table = virtual_cpu_process_1,
+		},
+		{
+			.process_id = 2,
+			.table = virtual_cpu_process_2,
+		},
+		{
+			.process_id = 3,
+			.table = virtual_cpu_process_3,
+		},
+	},
+	.process_id_table_length = 4,
+	.cpu = 1,
+};

arch/arm/mach-tegra/tegra2_dvfs.h

+/*
+ * arch/arm/mach-tegra/tegra2_dvfs.h
+ *
+ * Copyright (C) 2010 Google, Inc.
+ *
+ * Author:
+ *	Colin Cross <ccross@google.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * 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.
+ *
+ */
+
+extern struct dvfs tegra_dvfs_virtual_cpu_dvfs;

drivers/spi/Kconfig

@@ -329,6 +329,13 @@ config SPI_STMP3XXX
 	help
 	  SPI driver for Freescale STMP37xx/378x SoC SSP interface
 
+config SPI_TEGRA
+	tristate "Nvidia Tegra SPI controller"
+	depends on ARCH_TEGRA
+	select TEGRA_SYSTEM_DMA
+	help
+	  SPI driver for NVidia Tegra SoCs
+
 config SPI_TOPCLIFF_PCH
 	tristate "Topcliff PCH SPI Controller"
 	depends on PCI

drivers/spi/Makefile

@@ -39,6 +39,7 @@ obj-$(CONFIG_SPI_PPC4xx)		+= spi_ppc4xx.o
 obj-$(CONFIG_SPI_S3C24XX_GPIO)		+= spi_s3c24xx_gpio.o
 obj-$(CONFIG_SPI_S3C24XX)		+= spi_s3c24xx_hw.o
 obj-$(CONFIG_SPI_S3C64XX)		+= spi_s3c64xx.o
+obj-$(CONFIG_SPI_TEGRA)			+= spi_tegra.o
 obj-$(CONFIG_SPI_TOPCLIFF_PCH)		+= spi_topcliff_pch.o
 obj-$(CONFIG_SPI_TXX9)			+= spi_txx9.o
 obj-$(CONFIG_SPI_XILINX)		+= xilinx_spi.o