ARM: arm-soc: Merge branch 'next/pm2' into next/pm

Another smaller branch merged into next/pm before pull request.

Signed-off-by: Olof Johansson <olof@lixom.net>

7 files changed, 138 insertions, 440 deletions

diff --git a/arch/arm/plat-omap/include/plat-omap/dma-omap.h b/arch/arm/plat-omap/include/plat-omap/dma-omap.h
deleted file mode 100644
index 222be7e934e5..000000000000
--- a/arch/arm/plat-omap/include/plat-omap/dma-omap.h
+++ /dev/null
@@ -1,367 +0,0 @@
-/*
- *  OMAP DMA handling defines and function
- *
- *  Copyright (C) 2003 Nokia Corporation
- *  Author: Juha Yrjölä <juha.yrjola@nokia.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-#ifndef __ASM_ARCH_DMA_H
-#define __ASM_ARCH_DMA_H
-
-#include <linux/platform_device.h>
-
-#define INT_DMA_LCD			25
-
-#define OMAP1_DMA_TOUT_IRQ		(1 << 0)
-#define OMAP_DMA_DROP_IRQ		(1 << 1)
-#define OMAP_DMA_HALF_IRQ		(1 << 2)
-#define OMAP_DMA_FRAME_IRQ		(1 << 3)
-#define OMAP_DMA_LAST_IRQ		(1 << 4)
-#define OMAP_DMA_BLOCK_IRQ		(1 << 5)
-#define OMAP1_DMA_SYNC_IRQ		(1 << 6)
-#define OMAP2_DMA_PKT_IRQ		(1 << 7)
-#define OMAP2_DMA_TRANS_ERR_IRQ		(1 << 8)
-#define OMAP2_DMA_SECURE_ERR_IRQ	(1 << 9)
-#define OMAP2_DMA_SUPERVISOR_ERR_IRQ	(1 << 10)
-#define OMAP2_DMA_MISALIGNED_ERR_IRQ	(1 << 11)
-
-#define OMAP_DMA_CCR_EN			(1 << 7)
-#define OMAP_DMA_CCR_RD_ACTIVE		(1 << 9)
-#define OMAP_DMA_CCR_WR_ACTIVE		(1 << 10)
-#define OMAP_DMA_CCR_SEL_SRC_DST_SYNC	(1 << 24)
-#define OMAP_DMA_CCR_BUFFERING_DISABLE	(1 << 25)
-
-#define OMAP_DMA_DATA_TYPE_S8		0x00
-#define OMAP_DMA_DATA_TYPE_S16		0x01
-#define OMAP_DMA_DATA_TYPE_S32		0x02
-
-#define OMAP_DMA_SYNC_ELEMENT		0x00
-#define OMAP_DMA_SYNC_FRAME		0x01
-#define OMAP_DMA_SYNC_BLOCK		0x02
-#define OMAP_DMA_SYNC_PACKET		0x03
-
-#define OMAP_DMA_DST_SYNC_PREFETCH	0x02
-#define OMAP_DMA_SRC_SYNC		0x01
-#define OMAP_DMA_DST_SYNC		0x00
-
-#define OMAP_DMA_PORT_EMIFF		0x00
-#define OMAP_DMA_PORT_EMIFS		0x01
-#define OMAP_DMA_PORT_OCP_T1		0x02
-#define OMAP_DMA_PORT_TIPB		0x03
-#define OMAP_DMA_PORT_OCP_T2		0x04
-#define OMAP_DMA_PORT_MPUI		0x05
-
-#define OMAP_DMA_AMODE_CONSTANT		0x00
-#define OMAP_DMA_AMODE_POST_INC		0x01
-#define OMAP_DMA_AMODE_SINGLE_IDX	0x02
-#define OMAP_DMA_AMODE_DOUBLE_IDX	0x03
-
-#define DMA_DEFAULT_FIFO_DEPTH		0x10
-#define DMA_DEFAULT_ARB_RATE		0x01
-/* Pass THREAD_RESERVE ORed with THREAD_FIFO for tparams */
-#define DMA_THREAD_RESERVE_NORM		(0x00 << 12) /* Def */
-#define DMA_THREAD_RESERVE_ONET		(0x01 << 12)
-#define DMA_THREAD_RESERVE_TWOT		(0x02 << 12)
-#define DMA_THREAD_RESERVE_THREET	(0x03 << 12)
-#define DMA_THREAD_FIFO_NONE		(0x00 << 14) /* Def */
-#define DMA_THREAD_FIFO_75		(0x01 << 14)
-#define DMA_THREAD_FIFO_25		(0x02 << 14)
-#define DMA_THREAD_FIFO_50		(0x03 << 14)
-
-/* DMA4_OCP_SYSCONFIG bits */
-#define DMA_SYSCONFIG_MIDLEMODE_MASK		(3 << 12)
-#define DMA_SYSCONFIG_CLOCKACTIVITY_MASK	(3 << 8)
-#define DMA_SYSCONFIG_EMUFREE			(1 << 5)
-#define DMA_SYSCONFIG_SIDLEMODE_MASK		(3 << 3)
-#define DMA_SYSCONFIG_SOFTRESET			(1 << 2)
-#define DMA_SYSCONFIG_AUTOIDLE			(1 << 0)
-
-#define DMA_SYSCONFIG_MIDLEMODE(n)		((n) << 12)
-#define DMA_SYSCONFIG_SIDLEMODE(n)		((n) << 3)
-
-#define DMA_IDLEMODE_SMARTIDLE			0x2
-#define DMA_IDLEMODE_NO_IDLE			0x1
-#define DMA_IDLEMODE_FORCE_IDLE			0x0
-
-/* Chaining modes*/
-#ifndef CONFIG_ARCH_OMAP1
-#define OMAP_DMA_STATIC_CHAIN		0x1
-#define OMAP_DMA_DYNAMIC_CHAIN		0x2
-#define OMAP_DMA_CHAIN_ACTIVE		0x1
-#define OMAP_DMA_CHAIN_INACTIVE		0x0
-#endif
-
-#define DMA_CH_PRIO_HIGH		0x1
-#define DMA_CH_PRIO_LOW			0x0 /* Def */
-
-/* Errata handling */
-#define IS_DMA_ERRATA(id)		(errata & (id))
-#define SET_DMA_ERRATA(id)		(errata |= (id))
-
-#define DMA_ERRATA_IFRAME_BUFFERING	BIT(0x0)
-#define DMA_ERRATA_PARALLEL_CHANNELS	BIT(0x1)
-#define DMA_ERRATA_i378			BIT(0x2)
-#define DMA_ERRATA_i541			BIT(0x3)
-#define DMA_ERRATA_i88			BIT(0x4)
-#define DMA_ERRATA_3_3			BIT(0x5)
-#define DMA_ROMCODE_BUG			BIT(0x6)
-
-/* Attributes for OMAP DMA Contrller */
-#define DMA_LINKED_LCH			BIT(0x0)
-#define GLOBAL_PRIORITY			BIT(0x1)
-#define RESERVE_CHANNEL			BIT(0x2)
-#define IS_CSSA_32			BIT(0x3)
-#define IS_CDSA_32			BIT(0x4)
-#define IS_RW_PRIORITY			BIT(0x5)
-#define ENABLE_1510_MODE		BIT(0x6)
-#define SRC_PORT			BIT(0x7)
-#define DST_PORT			BIT(0x8)
-#define SRC_INDEX			BIT(0x9)
-#define DST_INDEX			BIT(0xA)
-#define IS_BURST_ONLY4			BIT(0xB)
-#define CLEAR_CSR_ON_READ		BIT(0xC)
-#define IS_WORD_16			BIT(0xD)
-
-/* Defines for DMA Capabilities */
-#define DMA_HAS_TRANSPARENT_CAPS	(0x1 << 18)
-#define DMA_HAS_CONSTANT_FILL_CAPS	(0x1 << 19)
-#define DMA_HAS_DESCRIPTOR_CAPS		(0x3 << 20)
-
-enum omap_reg_offsets {
-
-GCR,		GSCR,		GRST1,		HW_ID,
-PCH2_ID,	PCH0_ID,	PCH1_ID,	PCHG_ID,
-PCHD_ID,	CAPS_0,		CAPS_1,		CAPS_2,
-CAPS_3,		CAPS_4,		PCH2_SR,	PCH0_SR,
-PCH1_SR,	PCHD_SR,	REVISION,	IRQSTATUS_L0,
-IRQSTATUS_L1,	IRQSTATUS_L2,	IRQSTATUS_L3,	IRQENABLE_L0,
-IRQENABLE_L1,	IRQENABLE_L2,	IRQENABLE_L3,	SYSSTATUS,
-OCP_SYSCONFIG,
-
-/* omap1+ specific */
-CPC, CCR2, LCH_CTRL,
-
-/* Common registers for all omap's */
-CSDP,		CCR,		CICR,		CSR,
-CEN,		CFN,		CSFI,		CSEI,
-CSAC,		CDAC,		CDEI,
-CDFI,		CLNK_CTRL,
-
-/* Channel specific registers */
-CSSA,		CDSA,		COLOR,
-CCEN,		CCFN,
-
-/* omap3630 and omap4 specific */
-CDP,		CNDP,		CCDN,
-
-};
-
-enum omap_dma_burst_mode {
-	OMAP_DMA_DATA_BURST_DIS = 0,
-	OMAP_DMA_DATA_BURST_4,
-	OMAP_DMA_DATA_BURST_8,
-	OMAP_DMA_DATA_BURST_16,
-};
-
-enum end_type {
-	OMAP_DMA_LITTLE_ENDIAN = 0,
-	OMAP_DMA_BIG_ENDIAN
-};
-
-enum omap_dma_color_mode {
-	OMAP_DMA_COLOR_DIS = 0,
-	OMAP_DMA_CONSTANT_FILL,
-	OMAP_DMA_TRANSPARENT_COPY
-};
-
-enum omap_dma_write_mode {
-	OMAP_DMA_WRITE_NON_POSTED = 0,
-	OMAP_DMA_WRITE_POSTED,
-	OMAP_DMA_WRITE_LAST_NON_POSTED
-};
-
-enum omap_dma_channel_mode {
-	OMAP_DMA_LCH_2D = 0,
-	OMAP_DMA_LCH_G,
-	OMAP_DMA_LCH_P,
-	OMAP_DMA_LCH_PD
-};
-
-struct omap_dma_channel_params {
-	int data_type;		/* data type 8,16,32 */
-	int elem_count;		/* number of elements in a frame */
-	int frame_count;	/* number of frames in a element */
-
-	int src_port;		/* Only on OMAP1 REVISIT: Is this needed? */
-	int src_amode;		/* constant, post increment, indexed,
-					double indexed */
-	unsigned long src_start;	/* source address : physical */
-	int src_ei;		/* source element index */
-	int src_fi;		/* source frame index */
-
-	int dst_port;		/* Only on OMAP1 REVISIT: Is this needed? */
-	int dst_amode;		/* constant, post increment, indexed,
-					double indexed */
-	unsigned long dst_start;	/* source address : physical */
-	int dst_ei;		/* source element index */
-	int dst_fi;		/* source frame index */
-
-	int trigger;		/* trigger attached if the channel is
-					synchronized */
-	int sync_mode;		/* sycn on element, frame , block or packet */
-	int src_or_dst_synch;	/* source synch(1) or destination synch(0) */
-
-	int ie;			/* interrupt enabled */
-
-	unsigned char read_prio;/* read priority */
-	unsigned char write_prio;/* write priority */
-
-#ifndef CONFIG_ARCH_OMAP1
-	enum omap_dma_burst_mode burst_mode; /* Burst mode 4/8/16 words */
-#endif
-};
-
-struct omap_dma_lch {
-	int next_lch;
-	int dev_id;
-	u16 saved_csr;
-	u16 enabled_irqs;
-	const char *dev_name;
-	void (*callback)(int lch, u16 ch_status, void *data);
-	void *data;
-	long flags;
-	/* required for Dynamic chaining */
-	int prev_linked_ch;
-	int next_linked_ch;
-	int state;
-	int chain_id;
-	int status;
-};
-
-struct omap_dma_dev_attr {
-	u32 dev_caps;
-	u16 lch_count;
-	u16 chan_count;
-	struct omap_dma_lch *chan;
-};
-
-/* System DMA platform data structure */
-struct omap_system_dma_plat_info {
-	struct omap_dma_dev_attr *dma_attr;
-	u32 errata;
-	void (*disable_irq_lch)(int lch);
-	void (*show_dma_caps)(void);
-	void (*clear_lch_regs)(int lch);
-	void (*clear_dma)(int lch);
-	void (*dma_write)(u32 val, int reg, int lch);
-	u32 (*dma_read)(int reg, int lch);
-};
-
-extern void __init omap_init_consistent_dma_size(void);
-extern void omap_set_dma_priority(int lch, int dst_port, int priority);
-extern int omap_request_dma(int dev_id, const char *dev_name,
-			void (*callback)(int lch, u16 ch_status, void *data),
-			void *data, int *dma_ch);
-extern void omap_enable_dma_irq(int ch, u16 irq_bits);
-extern void omap_disable_dma_irq(int ch, u16 irq_bits);
-extern void omap_free_dma(int ch);
-extern void omap_start_dma(int lch);
-extern void omap_stop_dma(int lch);
-extern void omap_set_dma_transfer_params(int lch, int data_type,
-					 int elem_count, int frame_count,
-					 int sync_mode,
-					 int dma_trigger, int src_or_dst_synch);
-extern void omap_set_dma_color_mode(int lch, enum omap_dma_color_mode mode,
-				    u32 color);
-extern void omap_set_dma_write_mode(int lch, enum omap_dma_write_mode mode);
-extern void omap_set_dma_channel_mode(int lch, enum omap_dma_channel_mode mode);
-
-extern void omap_set_dma_src_params(int lch, int src_port, int src_amode,
-				    unsigned long src_start,
-				    int src_ei, int src_fi);
-extern void omap_set_dma_src_index(int lch, int eidx, int fidx);
-extern void omap_set_dma_src_data_pack(int lch, int enable);
-extern void omap_set_dma_src_burst_mode(int lch,
-					enum omap_dma_burst_mode burst_mode);
-
-extern void omap_set_dma_dest_params(int lch, int dest_port, int dest_amode,
-				     unsigned long dest_start,
-				     int dst_ei, int dst_fi);
-extern void omap_set_dma_dest_index(int lch, int eidx, int fidx);
-extern void omap_set_dma_dest_data_pack(int lch, int enable);
-extern void omap_set_dma_dest_burst_mode(int lch,
-					 enum omap_dma_burst_mode burst_mode);
-
-extern void omap_set_dma_params(int lch,
-				struct omap_dma_channel_params *params);
-
-extern void omap_dma_link_lch(int lch_head, int lch_queue);
-extern void omap_dma_unlink_lch(int lch_head, int lch_queue);
-
-extern int omap_set_dma_callback(int lch,
-			void (*callback)(int lch, u16 ch_status, void *data),
-			void *data);
-extern dma_addr_t omap_get_dma_src_pos(int lch);
-extern dma_addr_t omap_get_dma_dst_pos(int lch);
-extern void omap_clear_dma(int lch);
-extern int omap_get_dma_active_status(int lch);
-extern int omap_dma_running(void);
-extern void omap_dma_set_global_params(int arb_rate, int max_fifo_depth,
-				       int tparams);
-extern int omap_dma_set_prio_lch(int lch, unsigned char read_prio,
-				 unsigned char write_prio);
-extern void omap_set_dma_dst_endian_type(int lch, enum end_type etype);
-extern void omap_set_dma_src_endian_type(int lch, enum end_type etype);
-extern int omap_get_dma_index(int lch, int *ei, int *fi);
-
-void omap_dma_global_context_save(void);
-void omap_dma_global_context_restore(void);
-
-extern void omap_dma_disable_irq(int lch);
-
-/* Chaining APIs */
-#ifndef CONFIG_ARCH_OMAP1
-extern int omap_request_dma_chain(int dev_id, const char *dev_name,
-				  void (*callback) (int lch, u16 ch_status,
-						    void *data),
-				  int *chain_id, int no_of_chans,
-				  int chain_mode,
-				  struct omap_dma_channel_params params);
-extern int omap_free_dma_chain(int chain_id);
-extern int omap_dma_chain_a_transfer(int chain_id, int src_start,
-				     int dest_start, int elem_count,
-				     int frame_count, void *callbk_data);
-extern int omap_start_dma_chain_transfers(int chain_id);
-extern int omap_stop_dma_chain_transfers(int chain_id);
-extern int omap_get_dma_chain_index(int chain_id, int *ei, int *fi);
-extern int omap_get_dma_chain_dst_pos(int chain_id);
-extern int omap_get_dma_chain_src_pos(int chain_id);
-
-extern int omap_modify_dma_chain_params(int chain_id,
-					struct omap_dma_channel_params params);
-extern int omap_dma_chain_status(int chain_id);
-#endif
-
-#if defined(CONFIG_ARCH_OMAP1) && defined(CONFIG_FB_OMAP)
-#include <mach/lcd_dma.h>
-#else
-static inline int omap_lcd_dma_running(void)
-{
-	return 0;
-}
-#endif
-
-#endif /* __ASM_ARCH_DMA_H */
diff --git a/arch/arm/plat-omap/include/plat/counter-32k.h b/arch/arm/plat-omap/include/plat/counter-32k.h
new file mode 100644
index 000000000000..da000d482ff2
--- /dev/null
+++ b/arch/arm/plat-omap/include/plat/counter-32k.h
@@ -0,0 +1 @@
+int omap_init_clocksource_32k(void __iomem *vbase);
diff --git a/arch/arm/plat-omap/include/plat/cpu.h b/arch/arm/plat-omap/include/plat/cpu.h
index ba542ec8d513..b4516aba67ed 100644
--- a/arch/arm/plat-omap/include/plat/cpu.h
+++ b/arch/arm/plat-omap/include/plat/cpu.h
@@ -29,7 +29,7 @@
 #define __ASM_ARCH_OMAP_CPU_H
 
 #ifdef CONFIG_ARCH_OMAP1
-#include "../../mach-omap1/soc.h"
+#include <mach/soc.h>
 #endif
 
 #ifdef CONFIG_ARCH_OMAP2PLUS
diff --git a/arch/arm/plat-omap/include/plat/debug-devices.h b/arch/arm/plat-omap/include/plat/debug-devices.h
new file mode 100644
index 000000000000..8fc4287222dd
--- /dev/null
+++ b/arch/arm/plat-omap/include/plat/debug-devices.h
@@ -0,0 +1,2 @@
+/* for TI reference platforms sharing the same debug card */
+extern int debug_card_init(u32 addr, unsigned gpio);
diff --git a/arch/arm/plat-omap/include/plat/dmtimer.h b/arch/arm/plat-omap/include/plat/dmtimer.h
index 85868e98c11c..a3fbc48c332e 100644
--- a/arch/arm/plat-omap/include/plat/dmtimer.h
+++ b/arch/arm/plat-omap/include/plat/dmtimer.h
@@ -32,7 +32,6 @@
  * 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
-#include <linux/clk.h>
 #include <linux/delay.h>
 #include <linux/io.h>
 #include <linux/platform_device.h>
@@ -55,6 +54,10 @@
 #define OMAP_TIMER_TRIGGER_OVERFLOW		0x01
 #define OMAP_TIMER_TRIGGER_OVERFLOW_AND_COMPARE	0x02
 
+/* posted mode types */
+#define OMAP_TIMER_NONPOSTED			0x00
+#define OMAP_TIMER_POSTED			0x01
+
 /* timer capabilities used in hwmod database */
 #define OMAP_TIMER_SECURE				0x80000000
 #define OMAP_TIMER_ALWON				0x40000000
@@ -62,16 +65,22 @@
 #define OMAP_TIMER_NEEDS_RESET				0x10000000
 #define OMAP_TIMER_HAS_DSP_IRQ				0x08000000
 
+/*
+ * timer errata flags
+ *
+ * Errata i103/i767 impacts all OMAP3/4/5 devices including AM33xx. This
+ * errata prevents us from using posted mode on these devices, unless the
+ * timer counter register is never read. For more details please refer to
+ * the OMAP3/4/5 errata documents.
+ */
+#define OMAP_TIMER_ERRATA_I103_I767			0x80000000
+
 struct omap_timer_capability_dev_attr {
 	u32 timer_capability;
 };
 
-struct omap_dm_timer;
-
 struct timer_regs {
 	u32 tidr;
-	u32 tistat;
-	u32 tisr;
 	u32 tier;
 	u32 twer;
 	u32 tclr;
@@ -90,15 +99,35 @@ struct timer_regs {
 	u32 towr;
 };
 
-struct dmtimer_platform_data {
-	/* set_timer_src - Only used for OMAP1 devices */
-	int (*set_timer_src)(struct platform_device *pdev, int source);
-	u32 timer_capability;
+struct omap_dm_timer {
+	int id;
+	int irq;
+	struct clk *fclk;
+
+	void __iomem	*io_base;
+	void __iomem	*irq_stat;	/* TISR/IRQSTATUS interrupt status */
+	void __iomem	*irq_ena;	/* irq enable */
+	void __iomem	*irq_dis;	/* irq disable, only on v2 ip */
+	void __iomem	*pend;		/* write pending */
+	void __iomem	*func_base;	/* function register base */
+
+	unsigned long rate;
+	unsigned reserved:1;
+	unsigned posted:1;
+	struct timer_regs context;
+	int (*get_context_loss_count)(struct device *);
+	int ctx_loss_count;
+	int revision;
+	u32 capability;
+	u32 errata;
+	struct platform_device *pdev;
+	struct list_head node;
 };
 
 int omap_dm_timer_reserve_systimer(int id);
 struct omap_dm_timer *omap_dm_timer_request(void);
 struct omap_dm_timer *omap_dm_timer_request_specific(int timer_id);
+struct omap_dm_timer *omap_dm_timer_request_by_cap(u32 cap);
 int omap_dm_timer_free(struct omap_dm_timer *timer);
 void omap_dm_timer_enable(struct omap_dm_timer *timer);
 void omap_dm_timer_disable(struct omap_dm_timer *timer);
@@ -120,6 +149,7 @@ int omap_dm_timer_set_pwm(struct omap_dm_timer *timer, int def_on, int toggle, i
 int omap_dm_timer_set_prescaler(struct omap_dm_timer *timer, int prescaler);
 
 int omap_dm_timer_set_int_enable(struct omap_dm_timer *timer, unsigned int value);
+int omap_dm_timer_set_int_disable(struct omap_dm_timer *timer, u32 mask);
 
 unsigned int omap_dm_timer_read_status(struct omap_dm_timer *timer);
 int omap_dm_timer_write_status(struct omap_dm_timer *timer, unsigned int value);
@@ -245,33 +275,6 @@ int omap_dm_timers_active(void);
 #define OMAP_TIMER_TICK_INT_MASK_COUNT_REG				\
 		(_OMAP_TIMER_TICK_INT_MASK_COUNT_OFFSET | (WP_TOWR << WPSHIFT))
 
-struct omap_dm_timer {
-	unsigned long phys_base;
-	int id;
-	int irq;
-	struct clk *fclk;
-
-	void __iomem	*io_base;
-	void __iomem	*sys_stat;	/* TISTAT timer status */
-	void __iomem	*irq_stat;	/* TISR/IRQSTATUS interrupt status */
-	void __iomem	*irq_ena;	/* irq enable */
-	void __iomem	*irq_dis;	/* irq disable, only on v2 ip */
-	void __iomem	*pend;		/* write pending */
-	void __iomem	*func_base;	/* function register base */
-
-	unsigned long rate;
-	unsigned reserved:1;
-	unsigned posted:1;
-	struct timer_regs context;
-	int ctx_loss_count;
-	int revision;
-	u32 capability;
-	struct platform_device *pdev;
-	struct list_head node;
-};
-
-int omap_dm_timer_prepare(struct omap_dm_timer *timer);
-
 static inline u32 __omap_dm_timer_read(struct omap_dm_timer *timer, u32 reg,
 						int posted)
 {
@@ -300,16 +303,13 @@ static inline void __omap_dm_timer_init_regs(struct omap_dm_timer *timer)
 	tidr = __raw_readl(timer->io_base);
 	if (!(tidr >> 16)) {
 		timer->revision = 1;
-		timer->sys_stat = timer->io_base +
-				OMAP_TIMER_V1_SYS_STAT_OFFSET;
 		timer->irq_stat = timer->io_base + OMAP_TIMER_V1_STAT_OFFSET;
 		timer->irq_ena = timer->io_base + OMAP_TIMER_V1_INT_EN_OFFSET;
-		timer->irq_dis = NULL;
+		timer->irq_dis = timer->io_base + OMAP_TIMER_V1_INT_EN_OFFSET;
 		timer->pend = timer->io_base + _OMAP_TIMER_WRITE_PEND_OFFSET;
 		timer->func_base = timer->io_base;
 	} else {
 		timer->revision = 2;
-		timer->sys_stat = NULL;
 		timer->irq_stat = timer->io_base + OMAP_TIMER_V2_IRQSTATUS;
 		timer->irq_ena = timer->io_base + OMAP_TIMER_V2_IRQENABLE_SET;
 		timer->irq_dis = timer->io_base + OMAP_TIMER_V2_IRQENABLE_CLR;
@@ -320,45 +320,44 @@ static inline void __omap_dm_timer_init_regs(struct omap_dm_timer *timer)
 	}
 }
 
-/* Assumes the source clock has been set by caller */
-static inline void __omap_dm_timer_reset(struct omap_dm_timer *timer,
-					int autoidle, int wakeup)
+/*
+ * __omap_dm_timer_enable_posted - enables write posted mode
+ * @timer:      pointer to timer instance handle
+ *
+ * Enables the write posted mode for the timer. When posted mode is enabled
+ * writes to certain timer registers are immediately acknowledged by the
+ * internal bus and hence prevents stalling the CPU waiting for the write to
+ * complete. Enabling this feature can improve performance for writing to the
+ * timer registers.
+ */
+static inline void __omap_dm_timer_enable_posted(struct omap_dm_timer *timer)
 {
-	u32 l;
+	if (timer->posted)
+		return;
 
-	l = __raw_readl(timer->io_base + OMAP_TIMER_OCP_CFG_OFFSET);
-	l |= 0x02 << 3;  /* Set to smart-idle mode */
-	l |= 0x2 << 8;   /* Set clock activity to perserve f-clock on idle */
+	if (timer->errata & OMAP_TIMER_ERRATA_I103_I767)
+		return;
 
-	if (autoidle)
-		l |= 0x1 << 0;
-
-	if (wakeup)
-		l |= 1 << 2;
-
-	__raw_writel(l, timer->io_base + OMAP_TIMER_OCP_CFG_OFFSET);
-
-	/* Match hardware reset default of posted mode */
 	__omap_dm_timer_write(timer, OMAP_TIMER_IF_CTRL_REG,
-					OMAP_TIMER_CTRL_POSTED, 0);
+			      OMAP_TIMER_CTRL_POSTED, 0);
+	timer->context.tsicr = OMAP_TIMER_CTRL_POSTED;
+	timer->posted = OMAP_TIMER_POSTED;
 }
 
-static inline int __omap_dm_timer_set_source(struct clk *timer_fck,
-						struct clk *parent)
+/**
+ * __omap_dm_timer_override_errata - override errata flags for a timer
+ * @timer:      pointer to timer handle
+ * @errata:	errata flags to be ignored
+ *
+ * For a given timer, override a timer errata by clearing the flags
+ * specified by the errata argument. A specific erratum should only be
+ * overridden for a timer if the timer is used in such a way the erratum
+ * has no impact.
+ */
+static inline void __omap_dm_timer_override_errata(struct omap_dm_timer *timer,
+						   u32 errata)
 {
-	int ret;
-
-	clk_disable(timer_fck);
-	ret = clk_set_parent(timer_fck, parent);
-	clk_enable(timer_fck);
-
-	/*
-	 * When the functional clock disappears, too quick writes seem
-	 * to cause an abort. XXX Is this still necessary?
-	 */
-	__delay(300000);
-
-	return ret;
+	timer->errata &= ~errata;
 }
 
 static inline void __omap_dm_timer_stop(struct omap_dm_timer *timer,
diff --git a/arch/arm/plat-omap/include/plat/i2c.h b/arch/arm/plat-omap/include/plat/i2c.h
new file mode 100644
index 000000000000..7a9028cb5a75
--- /dev/null
+++ b/arch/arm/plat-omap/include/plat/i2c.h
@@ -0,0 +1,47 @@
+/*
+ * Helper module for board specific I2C bus registration
+ *
+ * Copyright (C) 2009 Nokia Corporation.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * 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 St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+#ifndef __PLAT_OMAP_I2C_H
+#define __PLAT_OMAP_I2C_H
+
+struct i2c_board_info;
+struct omap_i2c_bus_platform_data;
+
+int omap_i2c_add_bus(struct omap_i2c_bus_platform_data *i2c_pdata,
+			int bus_id);
+
+#if defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE)
+extern int omap_register_i2c_bus(int bus_id, u32 clkrate,
+				 struct i2c_board_info const *info,
+				 unsigned len);
+#else
+static inline int omap_register_i2c_bus(int bus_id, u32 clkrate,
+				 struct i2c_board_info const *info,
+				 unsigned len)
+{
+	return 0;
+}
+#endif
+
+struct omap_hwmod;
+int omap_i2c_reset(struct omap_hwmod *oh);
+
+#endif /* __PLAT_OMAP_I2C_H */
diff --git a/arch/arm/plat-omap/include/plat/sram.h b/arch/arm/plat-omap/include/plat/sram.h
new file mode 100644
index 000000000000..ba4525059a99
--- /dev/null
+++ b/arch/arm/plat-omap/include/plat/sram.h
@@ -0,0 +1,16 @@
+int omap_sram_init(void);
+
+void omap_map_sram(unsigned long start, unsigned long size,
+			unsigned long skip, int cached);
+void omap_sram_reset(void);
+
+extern void *omap_sram_push_address(unsigned long size);
+
+/* Macro to push a function to the internal SRAM, using the fncpy API */
+#define omap_sram_push(funcp, size) ({				\
+	typeof(&(funcp)) _res = NULL;				\
+	void *_sram_address = omap_sram_push_address(size);	\
+	if (_sram_address)					\
+		_res = fncpy(_sram_address, &(funcp), size);	\
+	_res;							\
+})