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

Add a flag indicating when the serial console is ready

For sandbox we have a fallback console which is used very early in
U-Boot, before serial drivers are available. Rather than try to guess
when t

Add a flag indicating when the serial console is ready

For sandbox we have a fallback console which is used very early in
U-Boot, before serial drivers are available. Rather than try to guess
when to switch to the real console, add a flag so we can be sure. This
makes sure that sandbox can always output a panic() message, for example,
and avoids silent failure (which is very annoying in sandbox).

Signed-off-by: Simon Glass <sjg@chromium.org>

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dm: Support driver model prior to relocation

Initialise devices marked 'pre-reloc' and make them available prior to
relocation. Note that this requires pre-reloc malloc() to be available.

Signed-of

dm: Support driver model prior to relocation

Initialise devices marked 'pre-reloc' and make them available prior to
relocation. Note that this requires pre-reloc malloc() to be available.

Signed-off-by: Simon Glass <sjg@chromium.org>

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Add a simple malloc() implementation for pre-relocation

If we are to have driver model before relocation we need to support some
way of calling memory allocation routines.

The standard malloc() is

Add a simple malloc() implementation for pre-relocation

If we are to have driver model before relocation we need to support some
way of calling memory allocation routines.

The standard malloc() is pretty complicated:

1. It uses some BSS memory for its state, and BSS is not available before
relocation

2. It supports algorithms for reducing memory fragmentation and improving
performace of free(). Before relocation we could happily just not support
free().

3. It includes about 4KB of code (Thumb 2) and 1KB of data. However since
this has been loaded anyway this is not really a problem.

The simplest way to support pre-relocation malloc() is to reserve an area
of memory and allocate it in increasing blocks as needed. This
implementation does this.

To enable it, you need to define the size of the malloc() pool as described
in the README. It will be located above the pre-relocation stack on
supported architectures.

Note that this implementation is only useful on machines which have some
memory available before dram_init() is called - this includes those that
do no DRAM init (like tegra) and those that do it in SPL (quite a few
boards). Enabling driver model preior to relocation for the rest of the
boards is left for a later exercise.

Signed-off-by: Simon Glass <sjg@chromium.org>

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

Signed-off-by: Stefano Babic <sbabic@denx.de>

Conflicts:
boards.cfg

Merge branch 'u-boot/master' into 'u-boot-arm/master'

dm: rename device struct to udevice

using UBI and DM together leads in compiler error, as
both define a "struct device", so rename "struct device"
in include/dm/device.h to "struct udevice", as we u

dm: rename device struct to udevice

using UBI and DM together leads in compiler error, as
both define a "struct device", so rename "struct device"
in include/dm/device.h to "struct udevice", as we use
linux code (MTD/UBI/UBIFS some USB code,...) and cannot
change the linux "struct device"

Signed-off-by: Heiko Schocher <hs@denx.de>
Cc: Simon Glass <sjg@chromium.org>
Cc: Marek Vasut <marex@denx.de>

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

Merge branch 'u-boot/master'

Conflicts:
drivers/net/Makefile

(trivial merge)

driver/mxc_i2c: Move static data structure to global_data

This driver needs a data structure in SRAM before SDRAM is available.
This is not alway the case using .data section. Moving this data
struc

driver/mxc_i2c: Move static data structure to global_data

This driver needs a data structure in SRAM before SDRAM is available.
This is not alway the case using .data section. Moving this data
structure to global_data guarantees it is writable.

Signed-off-by: York Sun <yorksun@freescale.com>
CC: Troy Kisky <troy.kisky@boundarydevices.com>

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

Conflicts:
arch/arm/cpu/arm926ejs/mxs/mxsimage.mx23.cfg
arch/arm/cpu/arm926ejs/mxs/mxsimage.mx28.cfg

Signed-off-by: Stefano Babic

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

Conflicts:
arch/arm/cpu/arm926ejs/mxs/mxsimage.mx23.cfg
arch/arm/cpu/arm926ejs/mxs/mxsimage.mx28.cfg

Signed-off-by: Stefano Babic <sbabic@denx.de>

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dm: Add base driver model support

Add driver model functionality for generic board.

This includes data structures and base code for registering devices and
uclasses (groups of devices with the same

dm: Add base driver model support

Add driver model functionality for generic board.

This includes data structures and base code for registering devices and
uclasses (groups of devices with the same purpose, e.g. all I2C ports will
be in the same uclass).

The feature is enabled with CONFIG_DM.

Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Pavel Herrmann <morpheus.ibis@gmail.com>
Signed-off-by: Viktor Křivák <viktor.krivak@gmail.com>
Signed-off-by: Tomas Hlavacek <tmshlvck@gmail.com>

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Introduce common timer functions

Many platforms duplicate pretty much the same timer code yet they all have
a 32-bit freerunning counter register. Create a common implementation that
minimally requi

Introduce common timer functions

Many platforms duplicate pretty much the same timer code yet they all have
a 32-bit freerunning counter register. Create a common implementation that
minimally requires 2 or 3 defines to add timer support:

CONFIG_SYS_TIMER_RATE - Clock rate of the timer counter
CONFIG_SYS_TIMER_COUNTER - Address of 32-bit counter
CONFIG_SYS_TIMER_COUNTS_DOWN - Define if counter counts down

All functions are weak or ifdef'ed so they can still be overriden by any
platform.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>

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Merge git://git.denx.de/u-boot-arm

Conflicts:
board/freescale/mx6qsabrelite/Makefile
board/freescale/mx6qsabrelite/mx6qsabrelite.c
include/configs/mx6qsabrelite.h

Signed-off-by: Stefano Babic <s

Merge git://git.denx.de/u-boot-arm

Conflicts:
board/freescale/mx6qsabrelite/Makefile
board/freescale/mx6qsabrelite/mx6qsabrelite.c
include/configs/mx6qsabrelite.h

Signed-off-by: Stefano Babic <sbabic@denx.de>

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Merge branch 'u-boot/master' into u-boot-arm/master

Merge branch 'master' of git://git.denx.de/u-boot-i2c

The sandburst-specific i2c drivers have been deleted, conflict was just
over the SPDX conversion.

Conflicts:
board/sandburst/common/ppc440gx_i

Merge branch 'master' of git://git.denx.de/u-boot-i2c

The sandburst-specific i2c drivers have been deleted, conflict was just
over the SPDX conversion.

Conflicts:
board/sandburst/common/ppc440gx_i2c.c
board/sandburst/common/ppc440gx_i2c.h

Signed-off-by: Tom Rini <trini@ti.com>

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Add GPL-2.0+ SPDX-License-Identifier to source files

Signed-off-by: Wolfgang Denk <wd@denx.de>
[trini: Fixup common/cmd_io.c]
Signed-off-by: Tom Rini <trini@ti.com>

i2c: add i2c_core and prepare for new multibus support

This Patch introduce the new i2c_core file, which holds
the I2C core functions, for the rework of the multibus/
multiadapter support.
Also adds

i2c: add i2c_core and prepare for new multibus support

This Patch introduce the new i2c_core file, which holds
the I2C core functions, for the rework of the multibus/
multiadapter support.
Also adds changes in i2c.h for the new I2C multibus/multiadapter
support. This new support can be activated with the
CONFIG_SYS_I2C define.

Signed-off-by: Heiko Schocher <hs@denx.de>
Signed-off-by: Simon Glass <sjg@chromium.org>
Cc: Mike Frysinger <vapier@gentoo.org>
Cc: Stephen Warren <swarren@wwwdotorg.org>

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Add trace support to generic board

Add hooks for tracing to generic board, including:

- allow early tracing to start early as possible in U-Boot
- reserve memory for trace buffer
- copy early trace

Add trace support to generic board

Add hooks for tracing to generic board, including:

- allow early tracing to start early as possible in U-Boot
- reserve memory for trace buffer
- copy early trace buffer to main trace buffer after relocation
- setup full tracing support after relocation

Signed-off-by: Simon Glass <sjg@chromium.org>

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generic_board: reduce the redundancy of gd_t struct members

This commit refactors common/board_f.c and common/board_r.c
in order to delete the dest_addr and dest_addr_sp from
gd_t struct.

As mentio

generic_board: reduce the redundancy of gd_t struct members

This commit refactors common/board_f.c and common/board_r.c
in order to delete the dest_addr and dest_addr_sp from
gd_t struct.

As mentioned as follows in include/asm-generic/global_data.h,

/* TODO: is this the same as relocaddr, or something else? */
unsigned long dest_addr; /* Post-relocation address of U-Boot */

dest_addr is the same as relocaddr.
Likewise, dest_addr_sp is the same as start_addr_sp.

It seemed dest_addr/dest_addr_sp was used only as a scratch variable
to calculate relocaddr/start_addr_sp, respectively.

With a little refactoring, we can delete dest_addr and dest_addr_sp.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Simon Glass <sjg@chromium.org>

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Use 'unsigned int' for global_data's baudrate

We decided to used unsigned int here, rather than unsigned long. But
for the generic global_data it is still unsigned long. So change it
over.

Signed-o

Use 'unsigned int' for global_data's baudrate

We decided to used unsigned int here, rather than unsigned long. But
for the generic global_data it is still unsigned long. So change it
over.

Signed-off-by: Simon Glass <sjg@chromium.org>

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Introduce generic pre-relocation board_f.c

This file handles common pre-relocation init for boards which use
the generic framework.

It starts up the console, DRAM, performs relocation and then jump

Introduce generic pre-relocation board_f.c

This file handles common pre-relocation init for boards which use
the generic framework.

It starts up the console, DRAM, performs relocation and then jumps
to post-relocation init.

Signed-off-by: Simon Glass <sjg@chromium.org>
Tested-by: Wolfgang Denk <wd@denx.de>
Acked-by: Wolfgang Denk <wd@denx.de>

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

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

Add generic global_data

Add a generic global_data structure which all archs will eventually
use.

Signed-off-by: Simon Glass <sjg@chromium.org>