Merge branch 'master' of git://git.denx.de/u-boot-arm

* 'master' of git://git.denx.de/u-boot-arm:
  davinci: Remove unwanted memsize.c from hawkboard's nand spl build
  devkit8000: Move CONFIG_SYS_TEXT_BASE out of bss
  da850evm: pass board revision info to kernel
  arch/arm/include/asm/arch-omap5/clocks.h: Fix GCC 4.2 warnings
  arch/arm/cpu/armv7/omap-common/clocks-common.c: Fix GCC 4.6 warnings
  arch/arm/cpu/armv7/omap-common/spl.c: Fix GCC 4.2 warnings
  MX35: flea3: changes due to hardware revision B
  MX: serial_mxc: cleanup removing nasty #ifdef
  M28: Fix OB1 bug in GPIO driver
  MXS: Add static annotations to dma driver
  apbh_dma: return error value on timeout
  Efika: Configure additional regulators for HDMI output
  mx5: Correct a warning in clock.c
  MC13892: Add REGMODE0 bits definitions
  mx51evk: Configure the pins as GPIOs prior to using gpio_get_value
  mx53smd: Configure the pins as GPIOs prior to using gpio_get_value
  mx53evk: Configure the pins as GPIOs prior to using gpio_get_value
  mx53ard: Configure the pins as GPIOs prior to using gpio_get_value
  mx53loco: Configure the pins as GPIOs prior to using gpio_get_value
  OMAP3: Add SPL_BOARD_INIT hook
  AM3517 CraneBoard: Add SPL support
  AM3517: Add SPL support
  OMAP3: Add SPL support to omap3_evm
  OMAP3: Add SPL support to Beagleboard
  OMAP3 SPL: Add identify_nand_chip function
  OMAP3 SPL: Rework memory initalization and devkit8000 support
  OMAP3: Suffix all Micron memory timing parts with their speed
  OMAP3: Add optimal SDRC autorefresh control values
  omap3: mem: Add MCFG helper macro
  OMAP3: Remove get_mem_type prototype
  OMAP3: Change mem_ok to clear again after reading back
  OMAP3: Add a helper function to set timings in SDRC
  OMAP3: Update SDRC dram_init to always call make_cs1_contiguous()
  omap3: mem: Comment enable_gpmc_cs_config more
  ARM: davici_emac: Fix condition for number of phy detects
  arm: printf() is not available in some SPL configurations
  arm, davinci: add support for am1808 based enbw_cmc board
  arm, davinci: move misc function in arch tree
  arm, board/davinci/common/misc.c: Codingstyle cleanup
  arm, davinci, da850: add uart1 tx rx pinmux config
  arm, davinci: move davinci_rtc struct to hardware.h
  arm, davinci: Remove duplication of pinmux configuration code
  arm, hawkboard: Use the pinmux configurations defined in the arch tree
  arm, da850evm: Use the pinmux configurations defined in the arch tree
  arm, da850: Add pinmux configurations to the arch tree
  arm, da850evm: Do pinmux configuration for EMAC together with other pinmuxes
  arm, hawkboard: Remove obsolete struct pinmux_config i2c_pins
  arm, davinci: Move pinmux functions from board to arch tree
  arm, arm926ejs: always do cpu critical inits
  omap_gpmc: use SOFTECC in SPL if it's enabled
  nand_spl_simple: add support for software ECC
  AM3517: move AM3517 specific mux defines to generic header
  AM35xx: add EMAC support
  davinci_emac: hardcode 100Mbps for AM35xx and RMII
  davinci_emac: fix for running with dcache enabled
  arm926ejs: add noop implementation for dcache ops
  davinci_emac: conditionally compile specific PHY support
  davinci_emac: use internal addresses in buffer descriptors
  davinci_emac: move arch-independent defines to separate header
  BeagleBoard: config: Really switch to ttyO2
  ARM: davinci_dm6467Tevm: Fix build breakage
  ARM: OMAP: Remove STACKSIZE for IRQ and FIQ if unused
  ARM: OMAP3: Remove unused define SDRC_R_C_B
  ARM: OMAP3: Remove unused define CONFIG_OMAP3430
  omap4: fix IO setting
  omap4+: streamline CONFIG_SYS_TEXT_BASE and other SDRAM addresses
  omap4460: add ES1.1 identification
  omap4: emif: fix error in driver
  omap: remove I2C from SPL
  omap4460: fix TPS initialization
  omap: fix cache line size for omap3/omap4 boards
  omap4: ttyO2 instead of ttyS2 in default bootargs
  omap: Improve PLL parameter calculation tool
  start.S: remove omap3 specific code from start.S
  armv7: setup vector
  armv7: include armv7/cpu.c in SPL build
  armv7: disable L2 cache in cleanup_before_linux()
  arm, arm926ejs: Fix clear bss loop for zero length bss
  PXA: Move colibri_pxa270 to board/toradex/
  PXA: Flip colibri_pxa27x to pxa-common.h
  PXA: Introduce common configuration header for PXA
  PXA: Rename pxa_dram_init to pxa2xx_dram_init
  PXA: Squash extern pxa_dram_init()
  PXA: Export cpu_is_ and pxa_dram_init functions
  PXA: Cleanup Colibri PXA270
  PXA: Replace timer driver
  PXA: Add cpuinfo display for PXA2xx
  PXA: Separate PXA2xx CPU init
  PXA: Rename CONFIG_PXA2[57]X to CONFIG_CPU_PXA2[57]X
  PXA: Unify vpac270 environment size
  PXA: Enable command line editing for vpac270
  PXA: Adapt Voipac PXA270 to OneNAND SPL
  PXA: Drop Voipac PXA270 OneNAND IPL
  PXA: Fixup PXA25x boards after start.S update
  PXA: Re-add the Dcache locking as RAM for pxa250
  PXA: Rework start.S to be closer to other ARMs
  PXA: Drop XM250 board
  PXA: Drop PLEB2 board
  PXA: Drop CRADLE board
  PXA: Drop CERF250 board
  Fix regression in SMDK6400
  nand: Add common functions to linux/mtd/nand.h
  Ethernut 5 board support
  net: Armada100: Fix compilation warnings
  ARM: remove duplicated code for LaCie boards
  ARM: add support for LaCie 2Big Network v2
  mvsata: fix ide_preinit for missing disks
  netspace_v2: Read Ethernet MAC address from EEPROM
  omap3evm: Add support for EFI partitions
  part_efi: Fix compile errors

1 files changed, 37 insertions, 54 deletions

diff --git a/arch/arm/cpu/pxa/timer.c b/arch/arm/cpu/pxa/timer.c
index 28667454722..b7b0da98a4d 100644
--- a/arch/arm/cpu/pxa/timer.c
+++ b/arch/arm/cpu/pxa/timer.c
@@ -1,11 +1,7 @@
 /*
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
+ * Marvell PXA2xx/3xx timer driver
  *
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Alex Zuepke <azu@sysgo.de>
+ * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com>
  *
  * See file CREDITS for list of people who contributed to this
  * project.
@@ -31,55 +27,63 @@
 #include <common.h>
 #include <div64.h>
 
-#ifdef CONFIG_USE_IRQ
-#error: interrupts not implemented yet
-#endif
+DECLARE_GLOBAL_DATA_PTR;
+
+#define	TIMER_LOAD_VAL	0xffffffff
+
+#define	timestamp	(gd->tbl)
+#define	lastinc		(gd->lastinc)
 
-#if defined(CONFIG_PXA27X) || defined(CONFIG_CPU_MONAHANS)
-#define TIMER_FREQ_HZ 3250000
-#elif defined(CONFIG_PXA250)
-#define TIMER_FREQ_HZ 3686400
+#if defined(CONFIG_CPU_PXA27X) || defined(CONFIG_CPU_MONAHANS)
+#define	TIMER_FREQ_HZ	3250000
+#elif defined(CONFIG_CPU_PXA25X)
+#define	TIMER_FREQ_HZ	3686400
 #else
 #error "Timer frequency unknown - please config PXA CPU type"
 #endif
 
-static inline unsigned long long tick_to_time(unsigned long long tick)
+static unsigned long long tick_to_time(unsigned long long tick)
 {
-	tick *= CONFIG_SYS_HZ;
-	do_div(tick, TIMER_FREQ_HZ);
-	return tick;
+	return tick * CONFIG_SYS_HZ / TIMER_FREQ_HZ;
 }
 
-static inline unsigned long long us_to_tick(unsigned long long us)
+static unsigned long long us_to_tick(unsigned long long us)
 {
-	us = us * TIMER_FREQ_HZ + 999999;
-	do_div(us, 1000000);
-	return us;
+	return (us * TIMER_FREQ_HZ) / 1000000;
 }
 
-int timer_init (void)
+int timer_init(void)
 {
 	writel(0, OSCR);
-
 	return 0;
 }
 
-ulong get_timer (ulong base)
-{
-	return get_timer_masked () - base;
-}
-
-void __udelay (unsigned long usec)
+unsigned long long get_ticks(void)
 {
-	udelay_masked (usec);
+	/* Current tick value */
+	uint32_t now = readl(OSCR);
+
+	if (now >= lastinc) {
+		/*
+		 * Normal mode (non roll)
+		 * Move stamp forward with absolute diff ticks
+		 */
+		timestamp += (now - lastinc);
+	} else {
+		/* We have rollover of incrementer */
+		timestamp += (TIMER_LOAD_VAL - lastinc) + now;
+	}
+
+	lastinc = now;
+	return timestamp;
 }
 
-ulong get_timer_masked (void)
+ulong get_timer(ulong base)
 {
-	return tick_to_time(get_ticks());
+	return tick_to_time(get_ticks()) - base;
 }
 
-void udelay_masked (unsigned long usec)
+void __udelay(unsigned long usec)
 {
 	unsigned long long tmp;
 	ulong tmo;
@@ -89,25 +93,4 @@ void udelay_masked (unsigned long usec)
 
 	while (get_ticks() < tmp)	/* loop till event */
 		 /*NOP*/;
-
-}
-
-/*
- * This function is derived from PowerPC code (read timebase as long long).
- * On ARM it just returns the timer value.
- */
-unsigned long long get_ticks(void)
-{
-	return readl(OSCR);
-}
-
-/*
- * This function is derived from PowerPC code (timebase clock frequency).
- * On ARM it returns the number of timer ticks per second.
- */
-ulong get_tbclk (void)
-{
-	ulong tbclk;
-	tbclk = TIMER_FREQ_HZ;
-	return tbclk;
 }