oweals/u-boot.git
9 years agokirkwood/km_arm: read the IVM eeprom earlier
Valentin Longchamp [Tue, 10 Feb 2015 16:10:14 +0000 (17:10 +0100)]
kirkwood/km_arm: read the IVM eeprom earlier

This allows to define the ethaddr env variable according to the the IVM
content by reading the IVM in misc_init_r.

Later, when HUSH is available the content read earlier is analyzed to
populate some non env variables.

Signed-off-by: Valentin Longchamp <valentin.longchamp@keymile.com>
9 years agoKM/IVM: split the IVM reading and parsing in 2 parts
Valentin Longchamp [Tue, 10 Feb 2015 16:10:13 +0000 (17:10 +0100)]
KM/IVM: split the IVM reading and parsing in 2 parts

This allows to first read the IVM content (earlier in the boot sequence)
and define the ethaddr env variable thanks to the ivm_read_eepromi().
Later, the IVM content can be parsed and used to define some hush
variables, when the hush subsystem is available thanks to
ivm_analyze_eeprom().

To avoid the HW read to happen twice, the buffer passed to
ivm_read_eeprom() has to be reused by ivm_analyze_eeprom (and thus
allocated before calling ivm_read_eeprom()).

Signed-off-by: Valentin Longchamp <valentin.longchamp@keymile.com>
9 years agospl, spl_nor: fix compiler warning
Heiko Schocher [Fri, 6 Feb 2015 08:31:36 +0000 (09:31 +0100)]
spl, spl_nor: fix compiler warning

executing "tools/buildman/buildman mpc5xx" drops this warning:

common/spl/spl_nor.c: In function 'spl_nor_load_image':
common/spl/spl_nor.c:26:10: warning: assignment discards 'const' qualifier from pointer target type [enabled by default]

fix this.

Signed-off-by: Heiko Schocher <hs@denx.de>
9 years ago.travis.yml: remove 824x builds
Heiko Schocher [Tue, 3 Feb 2015 09:34:10 +0000 (10:34 +0100)]
.travis.yml: remove 824x builds

remove powerpc 824x build, as this architecture not longer
exists.

Signed-off-by: Heiko Schocher <hs@denx.de>
9 years agoPCI: add 64-bit prefetchable memory support
David Feng [Mon, 2 Feb 2015 08:53:13 +0000 (16:53 +0800)]
PCI: add 64-bit prefetchable memory support

PCI specification allow prefetchable memory to be 32-bit or 64-bit.
PCI express specification states that all memmory bars for prefetchable
memory must be implemented as 64-bit. They all require that 64 bit
prefetchble memory are suported especially when u-boot is ported to
more and more 64bit processors.

Signed-off-by: David Feng <fenghua@phytium.com.cn>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
9 years agoconfig_distro_bootcmd.h: Enable CONFIG_CMD_PART
Hans de Goede [Sat, 7 Feb 2015 12:38:19 +0000 (13:38 +0100)]
config_distro_bootcmd.h: Enable CONFIG_CMD_PART

The recent changes to config_distro_bootcmd.h require CONFIG_CMD_PART to be
defined, as the default bootcmd now uses the "part" command.

This fixes sunxi boards not booting with v2015.04-rc1.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
9 years agoimage: Convert to use fdt_for_each_subnode macro
Axel Lin [Sat, 7 Feb 2015 01:12:39 +0000 (09:12 +0800)]
image: Convert to use fdt_for_each_subnode macro

Use fdt_for_each_subnode macro to simplify the code a bit.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Simon Glass <sjg@chromium.org>
9 years agotools/imagetool: remove linker script
Andreas Bießmann [Sun, 8 Feb 2015 23:06:10 +0000 (00:06 +0100)]
tools/imagetool: remove linker script

Commit a93648d197df48fa46dd55f925ff70468bd81c71 introduced linker generated
lists for imagetool which is the base for some host tools (mkimage, dumpimage,
et al.).  Unfortunately some host tool chains do not support the used type of
linker scripts. Therefore this commit broke these host-tools for them, namely
FreeBSD and Darwin (OS/X).

This commit tries to fix this. In order to have a clean distinction between host
and embedded code space we need to introduce our own linker generated list
instead of re-using the available linker_lists.h provided functionality.  So we
copy the implementation used in linux kernel script/mod/file2alias.c which has
the very same problem (cause it is a host tool). This code also comes with an
abstraction for Mach-O binary format used in Darwin systems.

Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
Cc: Guilherme Maciel Ferreira <guilherme.maciel.ferreira@gmail.com>
9 years agonet: keystone_net: move serdes setup to initialization function
Vitaly Andrianov [Wed, 11 Feb 2015 19:05:41 +0000 (14:05 -0500)]
net: keystone_net: move serdes setup to initialization function

On Keystone2 devices serdes must be initialized before accessing MDIO bus.
This commit moves the keystone2_net_serdes_setup() from keystone2_eth_open
to keystone2_emac_initialize to meet that requirement.

This also eliminates unnecessary serdes initializatin every time when the
keystone2_eth_open is being called.

Signed-off-by: Vitaly Andrianov <vitalya@ti.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Tested-by: Nishanth Menon <nm@ti.com>
9 years agokeystone2: ddr3: eliminate using global ddr3_size variable
Vitaly Andrianov [Wed, 11 Feb 2015 19:07:58 +0000 (14:07 -0500)]
keystone2: ddr3: eliminate using global ddr3_size variable

KS2 ddr3 initialization uses ddr3_size global variable before u-boot
relocation. Even if the variable is not being used after relocation,
writing to it corrupts relocation table.

This patch removes the global ddr3_size variable and uses local one
instead.

Signed-off-by: Vitaly Andrianov <vitalya@ti.com>
Tested-by: Nishanth Menon <nm@ti.com>
9 years agoclock_am43xx:Set the MAC clock to /5 for OPP100
Steve Kipisz [Wed, 11 Feb 2015 23:54:28 +0000 (18:54 -0500)]
clock_am43xx:Set the MAC clock to /5 for OPP100

When EMAC is in the boot order, the boot ROM sets OPP50 and the
MAC clock is set to /2. SPL needs to change it to /5 for Ethernet
to generate the correct txclk. This patch sets it correctly.

Signed-off-by: Steve Kipisz <s-kipisz2@ti.com>
9 years agoARM: DRA7-evm: DDR3: Update leveling values
Lokesh Vutla [Mon, 16 Feb 2015 04:45:57 +0000 (10:15 +0530)]
ARM: DRA7-evm: DDR3: Update leveling values

Update the software leveling parameters.
This fixes the random crash seen on DRA7-evm.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
9 years agoARM: DRA7: EMIF: Update SDRAM_REF_CTRL register value
Lokesh Vutla [Mon, 16 Feb 2015 04:45:56 +0000 (10:15 +0530)]
ARM: DRA7: EMIF: Update SDRAM_REF_CTRL register value

The value in SDRAM_REF_CTRL controls the delay time between
the initial rising edge of DDR_RESETn to rising edge of DDR_CKE
(JEDEC specs this as 500us). In order to achieve this, SDRAM_REF_CTRL
should be written with a value corresponding to 500us delay before
starting DDR initialization sequence, and configure proper
value at the end of sequence.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
9 years agoARM: DRA72x: DDR3: Fix EMIF timings for 666MHz clock
Angela Stegmaier [Mon, 16 Feb 2015 04:45:55 +0000 (10:15 +0530)]
ARM: DRA72x: DDR3: Fix EMIF timings for 666MHz clock

DDR3 timing and latency paramenters were not configured
correctly for 666MHz. Fixing the timing and latency values
according to Data sheet.
This fixes the random crashes seen on DRA72-evm.

Signed-off-by: Angela Stegmaier <angelabaker@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
9 years agomtd, omap: fix case NAND_OMAP_GPMC_PREFETCH not defined
Egli, Samuel [Fri, 13 Feb 2015 14:47:10 +0000 (15:47 +0100)]
mtd, omap: fix case NAND_OMAP_GPMC_PREFETCH not defined

The patch c316f577b4b72d1a1aeb559e9b3fad20808f1ffd breaks
siemens boards because prefetch mode is not enabled.
I assume it breaks other boards as well that don't use
prefetch.

This patch sets read_buf to nand_read_buf if
NAND_OMAP_GPMC_PREFETCH is not defined.

Signed-off-by: Samuel Egli <samuel.egli@siemens.com>
CC: Daniel Mack <zonque@gmail.com>
CC: Guido Martínez <guido@vanguardiasur.com.ar>
CC: Tom Rini <trini@ti.com>
CC: Heiko Schocher <hs@denx.de>
9 years agoMerge git://git.denx.de/u-boot-marvell
Tom Rini [Mon, 16 Feb 2015 13:44:03 +0000 (08:44 -0500)]
Merge git://git.denx.de/u-boot-marvell

9 years agoMerge branch 'sandbox' of git://git.denx.de/u-boot-x86
Tom Rini [Mon, 16 Feb 2015 13:37:22 +0000 (08:37 -0500)]
Merge branch 'sandbox' of git://git.denx.de/u-boot-x86

9 years agolsxl: add a README file
Michael Walle [Fri, 13 Feb 2015 17:45:57 +0000 (18:45 +0100)]
lsxl: add a README file

The README describes the recovery method which can be used if the NAS box
is not reachable anymore. Addionally, it describes the different boot
scripts.

Signed-off-by: Michael Walle <michael@walle.cc>
9 years agosandbox: Adjust the order of the NO_SDL check
Simon Glass [Wed, 11 Feb 2015 01:52:35 +0000 (18:52 -0700)]
sandbox: Adjust the order of the NO_SDL check

An option is provided to avoid using SDL in U-Boot sandbox (and drop
support for the LCD). However the check in the Makefile is too late
and warnings are printed even if NO_SDL=y is given.

Adjust the order to avoid this warning.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Jeroen Hofstee <jeroen@myspectrum.nl>
9 years agosandbox: Return '-c command' exit value as sandbox exit code
Joe Hershberger [Fri, 6 Feb 2015 21:37:31 +0000 (15:37 -0600)]
sandbox: Return '-c command' exit value as sandbox exit code

When a command is passed into sandbox using the '-c' argument the
command is run directly. This is most helpful when running tests (such
as test-dm.sh). Previously the exit code was an unused enum. Change it
to be the actual return code from the command so that the script calling
sandbox can know if the command succeeded (tests passed).  Also remove
the now completely unused "exit_state" in sandbox.

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Acked-by: Simon Glass <sjg@chromium.org>
9 years agobuildman: allow multiple toolchains in a single path
Albert ARIBAUD [Sat, 31 Jan 2015 23:12:44 +0000 (00:12 +0100)]
buildman: allow multiple toolchains in a single path

When buildman scans a toolchain path, it stops at the
first toolchain found. However, a single path can contains
several toolchains, each with its own prefix.

This patch lets buildman scan all toolchains in the path.

Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net>
Acked-by: Simon Glass <sjg@chromium.org>
9 years agopatman: Read in the git-mailrc alias file
Simon Glass [Thu, 29 Jan 2015 18:35:17 +0000 (11:35 -0700)]
patman: Read in the git-mailrc alias file

We should read this file to obtain a set of aliases. This reduces the need
to create them in the ~/.patman file.

This feature did exist in some version of patman, and is mentioned in the
help but it did not find its way upstream.

Reported-by: Graeme Russ <gruss@tss-engineering.com>
Signed-off-by: Simon Glass <sjg@chromium.org>
9 years agobuildman: Fix incorrect arguemnt in GetUpstream()
Simon Glass [Thu, 29 Jan 2015 18:35:16 +0000 (11:35 -0700)]
buildman: Fix incorrect arguemnt in GetUpstream()

This causes an error when trying to build a local branch which has a local
branch as its upstream.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reported-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
9 years agoMerge git://git.denx.de/u-boot-samsung
Tom Rini [Fri, 13 Feb 2015 18:11:33 +0000 (13:11 -0500)]
Merge git://git.denx.de/u-boot-samsung

9 years agoMerge git://git.denx.de/u-boot-dm
Tom Rini [Fri, 13 Feb 2015 18:11:09 +0000 (13:11 -0500)]
Merge git://git.denx.de/u-boot-dm

9 years agoMerge git://git.denx.de/u-boot-arc
Tom Rini [Fri, 13 Feb 2015 18:10:30 +0000 (13:10 -0500)]
Merge git://git.denx.de/u-boot-arc

9 years agoMerge branch 'rmobile' of git://git.denx.de/u-boot-sh
Tom Rini [Fri, 13 Feb 2015 18:10:25 +0000 (13:10 -0500)]
Merge branch 'rmobile' of git://git.denx.de/u-boot-sh

9 years agodm: mx6: sabre: Move driver model CONFIGs to Kconfig
Simon Glass [Mon, 9 Feb 2015 20:41:31 +0000 (13:41 -0700)]
dm: mx6: sabre: Move driver model CONFIGs to Kconfig

Remove driver model CONFIGs from the board config headers and use Kconfig
instead.

Signed-off-by: Simon Glass <sjg@chromium.org>
9 years agodm: stv0991: Move driver model CONFIGs to Kconfig
Simon Glass [Mon, 9 Feb 2015 20:41:30 +0000 (13:41 -0700)]
dm: stv0991: Move driver model CONFIGs to Kconfig

Remove driver model CONFIGs from the board config headers and use Kconfig
instead.

Signed-off-by: Simon Glass <sjg@chromium.org>
9 years agoExynos: Clock: Cleanup soc_get_periph_rate
Akshay Saraswat [Wed, 4 Feb 2015 10:30:05 +0000 (16:00 +0530)]
Exynos: Clock: Cleanup soc_get_periph_rate

Since we have src, div and pre-div mask bits defined corresponding
to peripherals, calculation of clock specific to I2C appears
redundant and confusing. Using clk_bit_info struct we can write
calculations generic to all peripherals which makes code easy to
understand and free from peripheral specific exceptions.

Signed-off-by: Akshay Saraswat <akshay.s@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
9 years agoExynos: clock: change mask bits as per peripheral
Akshay Saraswat [Wed, 4 Feb 2015 10:30:04 +0000 (16:00 +0530)]
Exynos: clock: change mask bits as per peripheral

We have assumed and kept mask bits for divider and pre-divider
as 0xf and 0xff, respectively. But these mask bits change from
one peripheral to another, and hence, need to be specified in
accordance with the peripherals.

Signed-off-by: Akshay Saraswat <akshay.s@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
9 years agoExynos5: Use clock_get_periph_rate generic API
Akshay Saraswat [Wed, 4 Feb 2015 10:30:03 +0000 (16:00 +0530)]
Exynos5: Use clock_get_periph_rate generic API

Replacing SoC and peripheral specific function calls with generic
clock_get_periph_rate calls to get the peripheral clocks.
Also, removing dead code of peripheral and SoC specific function
implementations which was used earlier for fetching peripheral clocks.
This code is not being used anymore because of the introduction
of generic clock_get_periph_rate function.

Signed-off-by: Akshay Saraswat <akshay.s@samsung.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
9 years agoExynos5: Fix exynos5_get_periph_rate calculations
Akshay Saraswat [Wed, 4 Feb 2015 10:30:02 +0000 (16:00 +0530)]
Exynos5: Fix exynos5_get_periph_rate calculations

exynos5_get_periph_rate function reads incorrect div for
SDMMC2 & 3. It also reads prediv and does division only for
SDMMC0 & 2 when actually various other peripherals need that.
Adding changes to fix these mistakes in periph rate calculation.

Signed-off-by: Akshay Saraswat <akshay.s@samsung.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
9 years agoExynos542x: Add and enable get_periph_rate support
Akshay Saraswat [Wed, 4 Feb 2015 10:30:01 +0000 (16:00 +0530)]
Exynos542x: Add and enable get_periph_rate support

We planned to fetch peripheral rate through one generic API per
peripheral. These generic peripheral functions are in turn
expected to fetch apt values from a function refactored as
per SoC versions. This patch adds support for fetching peripheral
rates for Exynos5420 and Exynos5800.

Signed-off-by: Akshay Saraswat <akshay.s@samsung.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
9 years agoExynos542x: Move exynos5420_get_pll_clk up and rename
Akshay Saraswat [Wed, 4 Feb 2015 10:30:00 +0000 (16:00 +0530)]
Exynos542x: Move exynos5420_get_pll_clk up and rename

Moving exynos5420_get_pll_clk function definition up in the
code to keep it together with rest of SoC_get_pll_clk functions.
This makes code more legible and also removes the need of
declaration when called before the position of definition in
code. Also, renaming exynos5420_get_pll_clk to
exynos542x_get_pll_clk because it is being used for both Exynos
5420 and 5800.

Signed-off-by: Akshay Saraswat <akshay.s@samsung.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
9 years agoExynos5: Fix compiler warnings due to clock_get_periph_rate
Akshay Saraswat [Wed, 4 Feb 2015 10:29:59 +0000 (15:59 +0530)]
Exynos5: Fix compiler warnings due to clock_get_periph_rate

Apparently, members of clk_bit_info array do not map correctly
to the members of enum periph_id. This mapping got broken after
we changed periph_id(s) to reflect interrupt number instead of
their position in a sequence. This patch intends to fix above
mentioned issue.

Signed-off-by: Akshay Saraswat <akshay.s@samsung.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
9 years agoEXYNOS5: Add function to enable exynos5420 usbdev phy ctrl
Joonyoung Shim [Wed, 21 Jan 2015 04:51:32 +0000 (13:51 +0900)]
EXYNOS5: Add function to enable exynos5420 usbdev phy ctrl

Exynos5420 has different registers with other exynos5 SoCs to control
usb device phy, so need separated function to enable exynos5420 usb
device phy.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
9 years agoodroid: fix g2d sclk rate
Joonyoung Shim [Fri, 23 Jan 2015 08:30:07 +0000 (17:30 +0900)]
odroid: fix g2d sclk rate

G2D core should be provided 200MHz clock rate.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
9 years agoOdroid-XU3: Add eMMC-reset node on DT
Joonyoung Shim [Thu, 15 Jan 2015 02:45:58 +0000 (11:45 +0900)]
Odroid-XU3: Add eMMC-reset node on DT

This needs for special handling of nRESET_OUT line(GPD1-0 gpio) for eMMC
memory to perform complete reboot on Odroid XU3 board.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
9 years agoOdroid: Add eMMC-reset node on DT
Joonyoung Shim [Thu, 15 Jan 2015 02:45:57 +0000 (11:45 +0900)]
Odroid: Add eMMC-reset node on DT

This needs for special handling of nRESET_OUT line(GPK1-2 gpio) for eMMC
memory to perform complete reboot on Odroid X2/U3 boards.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
9 years agosamsung: board: support eMMC reset using DT
Joonyoung Shim [Thu, 15 Jan 2015 02:45:56 +0000 (11:45 +0900)]
samsung: board: support eMMC reset using DT

Some exynos boards require special handling of nRESET_OUT line for eMMC
memory to perform complete reboot e.g. Odroid X2/U3/XU3 boards.

This will support eMMC reset using DT from reset_misc of samsung common
board file.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
9 years agoarm: exynos: fix the div value for set_mmc_clk
Jaehoon Chung [Thu, 8 Jan 2015 07:50:21 +0000 (16:50 +0900)]
arm: exynos: fix the div value for set_mmc_clk

The most exynos used the  "Ratio + 1" as div value.
And value at register is "Ratio".
So if want to set exact value, it needs to subtract one.

Value at register ("Ratio") = div - 1

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
9 years agoarc: introduce U-Boot port for ARCv2 ISA
Alexey Brodkin [Tue, 13 Jan 2015 15:35:46 +0000 (18:35 +0300)]
arc: introduce U-Boot port for ARCv2 ISA

ARC HS and ARC EM are new cores based on ARCv2 ISA which is binary
incompatible with ISAv1 (AKA ARCompact).

Significant difference between ISAv2 and v1 is implementation of
interrupt vector table.

In v1 it is implemented in the same way as on many other architectures -
as a special location where user may put whether code executed in place
(if machine word of space is enough) or jump to a full-scale interrupt
handler.

In v2 interrupt table is just an array of adresses of real interrupt
handlers. That requires a separate section for IVT that is not encoded
as code by assembler.

This change adds support for following cores:
 * ARC EM6 (simple 32-bit microcontroller without MMU)
 * ARC HS36 (advanced 32-bit microcontroller without MMU)
 * ARC HS38 (advanced 32-bit microcontroller with MMU)

As a part of ARC HS38 new version of MMU (v4) was introduced.

Also this change adds AXS131 board which is the same DW ARC SDP base board but
with ARC HS38 CPU tile.

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
9 years agoARM: rmobile: silk: Remove initialization of ACTLR.SMP
Nobuhiro Iwamatsu [Tue, 10 Feb 2015 06:26:10 +0000 (15:26 +0900)]
ARM: rmobile: silk: Remove initialization of ACTLR.SMP

Initialization of ACTLR.SMP is in lowlevel_init.
This remove duplicate function.

Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
9 years agoarm: rmobile: r8a7794: Enable SMP mode of Auxiliary Control Register
Nobuhiro Iwamatsu [Fri, 23 Jan 2015 00:31:57 +0000 (09:31 +0900)]
arm: rmobile: r8a7794: Enable SMP mode of Auxiliary Control Register

r8a7794 uses ARM SoC of CA7 base. If we want to use dcache on CA7, we
need to enable SMP bit of Auxiliary Control Register.

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
9 years agoarm: rmobile: Add missed header file for Silk board
Vladimir Barinov [Mon, 9 Feb 2015 00:27:47 +0000 (03:27 +0300)]
arm: rmobile: Add missed header file for Silk board

This file was missed in the commit
https://patchwork.ozlabs.org/patch/427801/

Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
9 years agoarm: rmobile: Add SILK board support
Vladimir Barinov [Mon, 12 Jan 2015 16:17:07 +0000 (19:17 +0300)]
arm: rmobile: Add SILK board support

SILK is an entry level development board based on R-Car E2 SoC (R8A7794)

This commit supports the following peripherals:
- SCIF, I2C, Ethernet, QSPI, MMC, USB Host

Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Reviewed-by: Tom Rini <trini@ti.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
9 years agodm: Add support for all targets which requires MANUAL_RELOC
Michal Simek [Mon, 2 Feb 2015 15:31:59 +0000 (16:31 +0100)]
dm: Add support for all targets which requires MANUAL_RELOC

Targets with CONFIG_NEEDS_MANUAL_RELOC do not use REL/RELA
relocation (mostly only GOT) where functions aray are not
updated. This patch is fixing function pointers for DM core
and serial-uclass to ensure that relocated functions are called.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Simon Glass <sjg@chromium.org>
9 years agodm:gpio:mxc add DT support
Peng Fan [Tue, 10 Feb 2015 06:46:34 +0000 (14:46 +0800)]
dm:gpio:mxc add DT support

This patch add DT support for mxc gpio driver.

There are one place using CONFIG_OF_CONTROL macro.
1. The U_BOOT_DEVICES and mxc_plat array are complied out. To DT,
   platdata is alloced using calloc, so there is no need to use mxc_plat.

The following situations are tested, and all work fine:
1. with DM, without DT
2. with DM and DT
3. without DM
Since device tree has not been upstreamed, if want to test this patch.
The followings need to be done.
 + pieces of code does not gpio_request when using gpio_direction_xxx and
   etc, need to request gpio.
 + move the gpio settings from board_early_init_f to board_init
 + define CONFIG_DM ,CONFIG_DM_GPIO and CONFIG_OF_CONTROL
 + Add device tree file and do related configuration in
   `make ARCH=arm menuconfig`
These will be done in future patches by step.

Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
Acked-by: Simon Glass <sjg@chromium.org>
9 years agodm:gpio:mxc add a bank_index entry in platdata
Peng Fan [Tue, 10 Feb 2015 06:46:33 +0000 (14:46 +0800)]
dm:gpio:mxc add a bank_index entry in platdata

Add a new entry in platdata structure and intialize
bank_index in mxc_plat array.
This new entry can avoid using `plat - mxc_plat` by using
`plat->bank_index`.

Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
Acked-by: Simon Glass <sjg@chromium.org>
9 years agodm: introduce dev_get_addr interface
Peng Fan [Tue, 10 Feb 2015 06:46:32 +0000 (14:46 +0800)]
dm: introduce dev_get_addr interface

Abstracting dev_get_addr can improve drivers that want to
get device's address.

Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
Acked-by: Simon Glass <sjg@chromium.org>
9 years agodm: Drop unused driver model config_defaults
Simon Glass [Wed, 11 Feb 2015 23:33:00 +0000 (16:33 -0700)]
dm: Drop unused driver model config_defaults

These are now in Kconfig so we can drop them from the header file.

Signed-off-by: Simon Glass <sjg@chromium.org>
9 years agodm: Kconfig: Move CONFIG_SYS_MALLOC_F_LEN to Kconfig
Simon Glass [Wed, 11 Feb 2015 23:32:59 +0000 (16:32 -0700)]
dm: Kconfig: Move CONFIG_SYS_MALLOC_F_LEN to Kconfig

Move this option to Kconfig and update all boards.
Signed-off-by: Simon Glass <sjg@chromium.org>
9 years agodm: at91: snapper: Move driver model CONFIGs to Kconfig
Simon Glass [Wed, 11 Feb 2015 23:32:58 +0000 (16:32 -0700)]
dm: at91: snapper: Move driver model CONFIGs to Kconfig

Remove driver model CONFIGs from the board config headers and use Kconfig
instead.

Signed-off-by: Simon Glass <sjg@chromium.org>
9 years agodm: at91: Drop use of ATMEL_PIO_PORTS in the header file
Simon Glass [Wed, 11 Feb 2015 23:32:57 +0000 (16:32 -0700)]
dm: at91: Drop use of ATMEL_PIO_PORTS in the header file

With driver model the number of PIO ports is defined by platform data, so
remove it from the header file.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Andreas Bießmann <andreas.devel@googlemail.com>
9 years agodm: sh: serial: Add support driver model
Nobuhiro Iwamatsu [Thu, 12 Feb 2015 04:48:04 +0000 (13:48 +0900)]
dm: sh: serial: Add support driver model

This adds driver model support with this driver. This was tested by Koelsch
board and Gose board.

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Acked-by: Simon Glass <sjg@chromium.org>
9 years agodm: socfpga: Move driver model CONFIGs to Kconfig
Simon Glass [Fri, 6 Feb 2015 04:41:49 +0000 (21:41 -0700)]
dm: socfpga: Move driver model CONFIGs to Kconfig

Remove driver model CONFIGs from the board config headers and use Kconfig
instead.

Signed-off-by: Simon Glass <sjg@chromium.org>
9 years agodm: mx6: Move driver model CONFIGs to Kconfig
Simon Glass [Fri, 6 Feb 2015 04:41:47 +0000 (21:41 -0700)]
dm: mx6: Move driver model CONFIGs to Kconfig

Remove driver model CONFIGs from the board config headers and use Kconfig
instead.

Signed-off-by: Simon Glass <sjg@chromium.org>
9 years agodm: sunxi: Move driver model CONFIGs to Kconfig
Simon Glass [Fri, 6 Feb 2015 04:41:46 +0000 (21:41 -0700)]
dm: sunxi: Move driver model CONFIGs to Kconfig

Remove driver model CONFIGs from the board config headers and use Kconfig
instead.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
9 years agodm: sandbox: Move driver model CONFIGs to Kconfig
Simon Glass [Fri, 6 Feb 2015 04:41:45 +0000 (21:41 -0700)]
dm: sandbox: Move driver model CONFIGs to Kconfig

Remove driver model CONFIGs from the board config headers and use Kconfig
instead.

Signed-off-by: Simon Glass <sjg@chromium.org>
9 years agodm: omap3: Move driver model CONFIGs to Kconfig
Simon Glass [Fri, 6 Feb 2015 04:41:44 +0000 (21:41 -0700)]
dm: omap3: Move driver model CONFIGs to Kconfig

Remove driver model CONFIGs from the board config headers and use Kconfig
instead.

Signed-off-by: Simon Glass <sjg@chromium.org>
9 years agodm: tegra: Move driver model CONFIGs to Kconfig
Simon Glass [Fri, 6 Feb 2015 04:41:42 +0000 (21:41 -0700)]
dm: tegra: Move driver model CONFIGs to Kconfig

Remove driver model CONFIGs from the board config headers and use Kconfig
instead.

Signed-off-by: Simon Glass <sjg@chromium.org>
9 years agodm: x86: Move driver model CONFIGs to Kconfig
Simon Glass [Fri, 6 Feb 2015 04:41:41 +0000 (21:41 -0700)]
dm: x86: Move driver model CONFIGs to Kconfig

Remove driver model CONFIGs from the board config headers and use Kconfig
instead.

Signed-off-by: Simon Glass <sjg@chromium.org>
9 years agodm: exynos: Move driver model CONFIGs to Kconfig
Simon Glass [Fri, 6 Feb 2015 04:41:40 +0000 (21:41 -0700)]
dm: exynos: Move driver model CONFIGs to Kconfig

Remove driver model CONFIGs from the board config headers and use Kconfig
instead.

Signed-off-by: Simon Glass <sjg@chromium.org>
9 years agodm: Move Raspberry Pi driver model CONFIGs to Kconfig
Simon Glass [Fri, 6 Feb 2015 04:41:39 +0000 (21:41 -0700)]
dm: Move Raspberry Pi driver model CONFIGs to Kconfig

Remove driver model CONFIGs from the board config header and use Kconfig
instead.

Signed-off-by: Simon Glass <sjg@chromium.org>
9 years agodm: Add CMD_DM and CMD_DEMO to Kconfig
Simon Glass [Fri, 6 Feb 2015 04:41:38 +0000 (21:41 -0700)]
dm: Add CMD_DM and CMD_DEMO to Kconfig

Add Kconfig settings for these two options.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
9 years agodm: test: Add a Kconfig file
Simon Glass [Fri, 6 Feb 2015 04:41:37 +0000 (21:41 -0700)]
dm: test: Add a Kconfig file

Add a file to control driver model test features.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
9 years agodm: Add Kconfig options for driver model SPL support
Simon Glass [Fri, 6 Feb 2015 04:41:36 +0000 (21:41 -0700)]
dm: Add Kconfig options for driver model SPL support

The SPL support cannot be enabled yet, but we can add the Kconfig
options in preparation for this.

Signed-off-by: Simon Glass <sjg@chromium.org>
9 years agodm: Expand and complete Kconfig in drivers/
Simon Glass [Fri, 6 Feb 2015 04:41:35 +0000 (21:41 -0700)]
dm: Expand and complete Kconfig in drivers/

Expand the help messages for each driver. Add missing Kconfig for I2C,
SPI flash and thermal.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
9 years agodm: Add Kconfig for driver/demo
Simon Glass [Fri, 6 Feb 2015 04:41:34 +0000 (21:41 -0700)]
dm: Add Kconfig for driver/demo

Add a suitable Kconfig for this directory.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
9 years agodm: i2c: Make API accessible even without CONFIG_DM
Simon Glass [Fri, 6 Feb 2015 04:41:33 +0000 (21:41 -0700)]
dm: i2c: Make API accessible even without CONFIG_DM

Make the driver model I2C API available always, even if driver model
is not enabled. This allows for a 'soft' switch-over, where drivers can
use the new structures in code which is compiled but not yet used. This
makes migration easier in some cases.

Fix up the existing drivers which define their own 'struct i2c_msg'.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Heiko Schocher <hs@denx.de>
9 years agodm: i2c: Add a dm_ prefix to driver model bus speed functions
Simon Glass [Fri, 6 Feb 2015 04:41:32 +0000 (21:41 -0700)]
dm: i2c: Add a dm_ prefix to driver model bus speed functions

As with i2c_read() and i2c_write(), add a dm_ prefix to the driver model
versions of these functions to avoid conflicts.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Heiko Schocher <hs@denx.de>
9 years agonet: Use new checksum functions
Simon Glass [Tue, 20 Jan 2015 05:16:08 +0000 (22:16 -0700)]
net: Use new checksum functions

Drop the old checksum functions in favour of the new ones.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
9 years agopowerpc: ppc4xx: Enable CONFIG_DISPLAY_BOARDINFO
Stefan Roese [Sat, 7 Feb 2015 18:51:52 +0000 (11:51 -0700)]
powerpc: ppc4xx: Enable CONFIG_DISPLAY_BOARDINFO

This also displays the "Board:" line in the bootup text with the
generic board support code.

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Simon Glass <sjg@chromium.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
9 years agopowerpc: ppc4xx: Add defaults for DT based booting to really work
Stefan Roese [Sat, 7 Feb 2015 18:51:51 +0000 (11:51 -0700)]
powerpc: ppc4xx: Add defaults for DT based booting to really work

These additional nodes need to be provided to get U-Boot to boot correctly
on the Canyonlands / Glacier board:

- chosen path to the console-uart
- reg-shift set to 0 in the uart device nodes

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Simon Glass <sjg@chromium.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
9 years agopowerpc: ppc4xx: Change from OF_SEPARATE to OF_EMBED
Stefan Roese [Sat, 7 Feb 2015 18:51:50 +0000 (11:51 -0700)]
powerpc: ppc4xx: Change from OF_SEPARATE to OF_EMBED

This is necessary, as ppc4xx has the reset vector located at the end
of the U-Boot image. This needs to be flashed to the end of the NOR
flash. Adding the dtb to the main U-Boot image will break booting
on ppc4xx. This patch now embeds the dtb in the U-Boot image instead.

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Simon Glass <sjg@chromium.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
9 years agopowerpc: Add linkage.h file
Simon Glass [Sat, 7 Feb 2015 18:51:49 +0000 (11:51 -0700)]
powerpc: Add linkage.h file

This permits us to use linux/linkage.h on PowerPC machines.

Signed-off-by: Simon Glass <sjg@chromium.org>
9 years agodm: powerpc: ppc4xx: Move glacier to use driver model for serial
Simon Glass [Sat, 7 Feb 2015 18:51:48 +0000 (11:51 -0700)]
dm: powerpc: ppc4xx: Move glacier to use driver model for serial

Adjust Kconfig to default to driver model for glacier, canyonlands and
arches.

Signed-off-by: Simon Glass <sjg@chromium.org>
9 years agopowerpc: Add serial driver for driver model
Simon Glass [Sat, 7 Feb 2015 18:51:47 +0000 (11:51 -0700)]
powerpc: Add serial driver for driver model

This uses the ns16550 driver but sets up the clock at run-time. It does
not seem to be available in the device tree.

Signed-off-by: Simon Glass <sjg@chromium.org>
9 years agoppc: amcc: Omit unneeded ns16550 CONFIG if using driver model
Simon Glass [Sat, 7 Feb 2015 18:51:46 +0000 (11:51 -0700)]
ppc: amcc: Omit unneeded ns16550 CONFIG if using driver model

This comes from the device tree or a call to get_uart_clock().

Signed-off-by: Simon Glass <sjg@chromium.org>
9 years agopowerpc: ppc4xx: Use CONFIG_OF_CONTROL for canyonlands boards
Simon Glass [Sat, 7 Feb 2015 18:51:45 +0000 (11:51 -0700)]
powerpc: ppc4xx: Use CONFIG_OF_CONTROL for canyonlands boards

Enable CONFIG_OF_CONTROL so that U-Boot on these three boards uses a device
tree for its configuration.

Signed-off-by: Simon Glass <sjg@chromium.org>
9 years agopowerpc: ppc4xx: Allow the end of u-boot.bin to be found
Simon Glass [Sat, 7 Feb 2015 18:51:44 +0000 (11:51 -0700)]
powerpc: ppc4xx: Allow the end of u-boot.bin to be found

Define an _end symbol indicating the end of u-boot.bin. Also add some dummy
words into the link script to ensure that u-boot.bin will always extend
that far. There may be a better way of doing this.

Signed-off-by: Simon Glass <sjg@chromium.org>
9 years agopowerpc: ppc4xx: Add a gpio.h header file
Simon Glass [Sat, 7 Feb 2015 18:51:43 +0000 (11:51 -0700)]
powerpc: ppc4xx: Add a gpio.h header file

This is required at present for device tree control. The ppc4xx does support
GPIOs but does not seem to have a proper driver. So this file is empty.

Signed-off-by: Simon Glass <sjg@chromium.org>
9 years agopowerpc: ppc4xx: Call board_init_f_mem() for generic board
Simon Glass [Sat, 7 Feb 2015 18:51:42 +0000 (11:51 -0700)]
powerpc: ppc4xx: Call board_init_f_mem() for generic board

Call this function to set up our early memory.

Signed-off-by: Simon Glass <sjg@chromium.org>
9 years agopowerpc: ppc4xx: dts: Bring in canyonlands device tree files
Simon Glass [Sat, 7 Feb 2015 18:51:41 +0000 (11:51 -0700)]
powerpc: ppc4xx: dts: Bring in canyonlands device tree files

The canyonlands.h config file works with canyonlands, glacier and arches
boards. Bring in the device tree files for these from Linux 3.17.

Signed-off-by: Simon Glass <sjg@chromium.org>
9 years agopowerpc: ppc4xx: canyonlands: Move to generic board
Simon Glass [Sat, 7 Feb 2015 18:51:39 +0000 (11:51 -0700)]
powerpc: ppc4xx: canyonlands: Move to generic board

Switch to generic board so that this board will not be broken/removed.

Signed-off-by: Simon Glass <sjg@chromium.org>
9 years agopowerpc: ppc4xx: Add ramboot config for glacier
Simon Glass [Sat, 7 Feb 2015 18:51:38 +0000 (11:51 -0700)]
powerpc: ppc4xx: Add ramboot config for glacier

Add a new ramboot config for glacier so that it is possible to test U-Boot
loaded over Ethernet instead of using JTAG.

Signed-off-by: Simon Glass <sjg@chromium.org>
9 years agopowerpc: ppc4xx: Move CANYONLANDS/GLACIER/ARCHES to Kconfig
Simon Glass [Sat, 7 Feb 2015 18:51:37 +0000 (11:51 -0700)]
powerpc: ppc4xx: Move CANYONLANDS/GLACIER/ARCHES to Kconfig

Move these options to Kconfig and remove them from the CONFIG files.

Signed-off-by: Simon Glass <sjg@chromium.org>
9 years agopowerpc: ppc4xx: canyonlands: config: Tidy up CONFIGs and config.mk
Simon Glass [Sat, 7 Feb 2015 18:51:36 +0000 (11:51 -0700)]
powerpc: ppc4xx: canyonlands: config: Tidy up CONFIGs and config.mk

Many CONFIG options have an unnecessary value of 1. CONFIG_440 is set in
the various board config files. Also simplify the CONFIG_440 check in
config.mk

Signed-off-by: Simon Glass <sjg@chromium.org>
9 years agopowerpc: Permit device tree control of U-Boot (CONFIG_OF_CONTROL)
Simon Glass [Sat, 7 Feb 2015 18:51:35 +0000 (11:51 -0700)]
powerpc: Permit device tree control of U-Boot (CONFIG_OF_CONTROL)

Enable this in the Kconfig so that PowerPC boards can use device tree to
configure U-Boot.

Signed-off-by: Simon Glass <sjg@chromium.org>
9 years agoIntroduce board_init_f_mem() to handle early memory layout
Simon Glass [Sat, 7 Feb 2015 18:51:34 +0000 (11:51 -0700)]
Introduce board_init_f_mem() to handle early memory layout

At present on some architectures we set up the following before calling
board_init_f():

   - global_data
   - stack
   - early malloc memory

Adding the code to support early malloc and global data setup to every
arch's assembler start-up is a pain. Also this code is not actually
architecture-specific. We can use common code for all architectures and
with a bit of care we can write this code in C.

Add a new function to deal with this. It should be called after memory
is available, with a pointer to the top of the area that should be used
before relocation. The function will set things up and return the lowest
memory address that it allocated/used. That can then be set as the top
of the stack.

Note that on some archs this function will use the stack, so the stack
pointer should be set to same value as is pased to board_init_f_mem().
A margin of 128 bytes will be left for this stack, so that it is not
overwritten. This means that 64 bytes is wasted by this early call.
This is not strictly necessary on several more modern archs, so we could
remove this at the cost of some arch-dependent code.

With this function there is no-longer any need for the assembler code to
zero global_data or set up the early malloc pointers.

Signed-off-by: Simon Glass <sjg@chromium.org>
9 years agomalloc_simple: Return NULL on malloc failure rather then calling panic()
Hans de Goede [Wed, 4 Feb 2015 12:05:50 +0000 (13:05 +0100)]
malloc_simple: Return NULL on malloc failure rather then calling panic()

All callers of malloc should already do error checking, and may even be able
to continue without the alloc succeeding.

Moreover, common/malloc_simple.c is the only user of .rodata.str1.1 in
common/built-in.o when building the SPL, triggering this gcc bug:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54303

Causing .rodata to grow with e.g. 0xc21 bytes, nullifying all benefits of
using malloc_simple in the first place.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Simon Glass <sjg@chromium.org>
9 years agoi2c: s3c24x0: reduce transmission status timeout
Przemyslaw Marczak [Tue, 27 Jan 2015 12:36:35 +0000 (13:36 +0100)]
i2c: s3c24x0: reduce transmission status timeout

If no device is connected to I2C bus, the i2c probe command
can take a lot of time for probe each address. This commit
reduces the busy timeout to 10ms for standard and high speed
modes. This doesn't break the transmission an also allow for
properly probe the devices.

Signed-off-by: Przemyslaw Marczak <p.marczak@samsung.com>
Changes v3:
- new commit, after split the next one
Tested-by: Simon Glass <sjg@chromium.org>
9 years agogpio: omap: Pass correct argument to _get_gpio_direction()
Axel Lin [Sat, 31 Jan 2015 14:23:38 +0000 (22:23 +0800)]
gpio: omap: Pass correct argument to _get_gpio_direction()

Pass bank rather than bank->base to _get_gpio_direction().

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Simon Glass <sjg@chromium.org>
9 years agogpio: at91: Fix getting address of private data
Axel Lin [Sat, 31 Jan 2015 06:47:34 +0000 (14:47 +0800)]
gpio: at91: Fix getting address of private data

Use dev_get_priv() rather than dev_get_platdata() to get correct address of
private data.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Simon Glass <sjg@chromium.org>
9 years agodm: Prevent "demo hello" and "demo status" segfaults
Peter Tyser [Tue, 3 Feb 2015 19:18:49 +0000 (13:18 -0600)]
dm: Prevent "demo hello" and "demo status" segfaults

Segfaults can occur when a mandatory argument is not provided to
"demo hello" and "demo status".  Eg:

   => demo hello
   Segmentation fault (core dumped)

Add a check to ensure all required arguments are provided.

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Acked-by: Simon Glass <sjg@chromium.org>
9 years agoRSA depends on DM
Chris Kuethe [Thu, 5 Feb 2015 03:16:14 +0000 (19:16 -0800)]
RSA depends on DM

Discovered while experimenting with signature checking on vexpress
which doesn't typically use DM.
Acked-by: Simon Glass <sjg@chromium.org>
9 years agolsxl: switch from bootm to bootz for boot commands
Michael Walle [Sun, 8 Feb 2015 19:06:07 +0000 (20:06 +0100)]
lsxl: switch from bootm to bootz for boot commands

Use the bootz command to load zImages in case of any new boot scripts. Only
the legacy one will still use bootm. Apart form the fact, that this will
simplify the image generation process, it saves one copy of the kernel
image: Common practice is to generate an uImage with a loading address of
0x8000. This uImage contains a compressed zImage, which will unpack the
kernel image to the beginning of the RAM. But because there is already the
compressed image the uncompressor first relocates the compressed image to a
higher location. The load address is encoded into the uImage which is
generated by the distributions and thus cannot be easily changed. By using
the bootz command we can load the compressed image to a higher memory
address and the decompressor doesn't have to reloacte the image.

Signed-off-by: Michael Walle <michael@walle.cc>
9 years agolsxl: place the dtb below the inital ramdisk
Michael Walle [Sun, 8 Feb 2015 19:06:06 +0000 (20:06 +0100)]
lsxl: place the dtb below the inital ramdisk

The dtb was loaded at a memory address after the initial ramdisk. Thus a
large ramdisk would overwrite the dtb. Move it to "ramdisk_start - 64k".
64k should be enough for the device tree blob. Also the kernel
documentation arm/Booting suggests to put the dtb before the initial
ramdisk.

Signed-off-by: Michael Walle <michael@walle.cc>
9 years agolsxl: use default load addresses for legacy boot
Michael Walle [Sun, 8 Feb 2015 19:06:05 +0000 (20:06 +0100)]
lsxl: use default load addresses for legacy boot

The load addresses for the bootcmd_legacy script were taken from the
original bootloader from Buffalo. But newer kernels are too big and the
uncompressing will overwrite parts of the initial ramdisk. Therefore,
we switch to the load addresses which are also used by the other boot
script.

Signed-off-by: Michael Walle <michael@walle.cc>