As per the AR8031 datasheet:
"For a reliable power on reset, suggest to keep asserting the reset
low long enough (10ms) to ensure the clock is stable and clock-to-reset
1ms requirement is satisfied."
So do as suggested and also add a 100us delay after deasserting the
reset line to guarantee that the PHY ID can be read correctly and the
Atheros 8031 PHY driver can be loaded automatically.
This results in a simpler code.
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
There is really no need to provide an empty reset_cpu() implementation,
so just remove it.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Reviewed-by: Stefano Babic <sbabic@denx.de>
Add i.MX6DQP-Sabresd board support:
1. set fdt_file according to board_rev which is set at runtime.
2. Add mx6dqp_ddr_ioregs and calibration value for this board.
Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
To i.MX6, DDR3 and LPDDR2 is supported, so rename function mx6_dram_cfg
to mx6_ddr3_cfg and the original mx6_dram_cfg function only is a wrapper.
The new reimplemented function mx6_dram_cfg only invokes mx6_ddr3_cfg
when ddr_type is for DDR3. Later we can use ddr_type to initialize
MMDC for LPDDR2.
Initialize ddr_type for different boards which enable SPL.
Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Tim Harvey <tharvey@gateworks.com>
Cc: Stefan Roese <sr@denx.de>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Reviewed-by: Stefan Roese <sr@denx.de>
Detect the SOC and board variant at runtime and change the dtb name,
but not hardcoding the fdt_file env variable.
Take the following patch as a reference.
Íd58699b157df75f1aa0b363ea9c21add21a0c
"mx6cuboxi: Load the correct 'fdtfile' variable"
Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Reviewed-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Stefano Babic <sbabic@denx.de>
The variable 'ret' is used to store the value returned by pfuze_mode_init(),
so it should of type 'int' instead of 'unsigned int' in order to correctly
handle negative numbers.
Fix the variable type.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
mx6sabresd has four MT41K128M16JT-125 chips. Each memory has 16-bit bus
and 2GiB, so fix the width and density fields accordingly.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
To normal mode, use APS switching mode.
To standy mode, use PFM switching mode.
Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Acked-by: Przemyslaw Marczak <p.marczak@samsung.com>
Modify the pfuze init for mx6sabresd to use the shared
"pfuze_common_init" function. And move this initialization to
power_init_board.
Signed-off-by: Ye.Li <B37916@freescale.com>
In U-boot it is preferred to access the register via structure pointer, so
convert it such style.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Let's add mx6sabresd_spl_defconfig entry into MAINTAINERS, so that we avoid
getting a warning that the mx6sabresd_spl is not maintained.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Many boards use a minimal .cfg file in the SPL case.
Introduce spl_sd.cfg so that we can reuse it.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Stefano Babic <sbabic@denx.de>
mx6sabresd_spl.cfg configures CCM registers, GPR registers and CCM_CCOSR.
Move the configuration to the spl code.
CCM_CCOSR setting is no longer required to get audio functionality in the
kernel, so remove such setting.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
When an invalid USDHC port is passed we should return -EINVAL instead of 0.
Also, return the error immediately on fsl_esdhc_initialize() failure.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
This patch will enable the support for SPL on iMX6 SabreSD.
It tested on SD2 and SD3 mmc port (Switch 1 or 2 of SW6)
Signed-off-by: John Tobias <john.tobias.ph@gmail.com>
Acked-by: Stefano Babic <sbabic@denx.de>
Add support for the 4.3'' Seiko WVGA parallel display.
In order to direct the splash screen to the Seiko display:
=> setenv panel SEIKO-WVGA
=> save
=> reset
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Stefano Babic <sbabic@denx.de>
This commit introduces a Kconfig symbol for each ARM CPU:
CPU_ARM720T, CPU_ARM920T, CPU_ARM926EJS, CPU_ARM946ES, CPU_ARM1136,
CPU_ARM1176, CPU_V7, CPU_PXA, CPU_SA1100.
Also, it adds the CPU feature Kconfig symbol HAS_VBAR which is selected
for CPU_ARM1176 and CPU_V7.
For each target, the corresponding CPU is selected and the definition of
SYS_CPU in the corresponding Kconfig file is removed.
Also, it removes redundant "string" type in some Kconfig files.
Signed-off-by: Georges Savoundararadj <savoundg@gmail.com>
Acked-by: Albert ARIBAUD <albert.u.boot@aribaud.net>
Cc: Masahiro Yamada <yamada.m@jp.panasonic.com>
MXC SPI driver has a feature whereas a GPIO line can be used to force CS high
across multiple transactions. This is set up by embedding the GPIO information
in the CS value:
cs = (cs | gpio << 8)
This merge of cs and gpio data into one value breaks the sf probe command:
if the use of gpio is required, invoking "sf probe <cs>" will not work, because
the CS argument doesn't have the GPIO information in it. Instead, the user must
use "sf probe <cs | gpio << 8>". For example, if bank 2 gpio 30 is used to force
cs high on cs 0, bus 0, then instead of typing "sf probe 0" the user now must
type "sf probe 15872".
This is inconsistent with the description of the sf probe command, and forces
the user to be aware of implementaiton details.
Fix this by introducing a new board function: board_spi_cs_gpio(), which will
accept a naked CS value, and provide the driver with the relevant GPIO, if one
is necessary.
Cc: Eric Nelson <eric.nelson@boundarydevices.com>
Cc: Eric Benard <eric@eukrea.com>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Tim Harvey <tharvey@gateworks.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Tom Rini <trini@ti.com>
Cc: Marek Vasut <marex@denx.de>
Reviewed-by: Marek Vasut <marex@denx.de>
Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
Reviewed-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
Provide cgtqmx6eval board its own variant of ddr
setup config file. Move board/freescale/imx/ddr/
mx6q_4x_mt41j128.cfg to board/freescale/mx6sabresd/
as this is was designed for the mx6sabresd board.
Signed-off-by: Nitin Garg <nitin.garg@freescale.com>
Acked-by: Stefano Babic <sbabic@denx.de>
Now the types of CONFIG_SYS_{ARCH, CPU, SOC, VENDOR, BOARD, CONFIG_NAME}
are specified in arch/Kconfig.
We can delete the ones in arch and board Kconfig files.
This commit can be easily reproduced by the following command:
find . -name Kconfig -a ! -path ./arch/Kconfig | xargs sed -i -e '
/config[[:space:]]SYS_\(ARCH\|CPU\|SOC\|\VENDOR\|BOARD\|CONFIG_NAME\)/ {
N
s/\n[[:space:]]*string//
}
'
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Currently mx6dlsabresd shares the same DCD settings with the nitrogen board.
Provide a DCD configuration file specific to mx6dlsabresd with the settings
recommended by the Freescale hardware team.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
It is redundant to use 'PFUZE100_PMIC' as the PMIC name because we already
know it is a PMIC.
Call it simply 'PFUZE100' instead.
Cc: Tim Harvey <tharvey@gateworks.com>
Cc: Markus Niebel <Markus.Niebel@tq-group.com>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
We have switched to Kconfig and the boards.cfg file is going to
be removed. We have to retrieve the board status and maintainers
information from it.
The MAINTAINERS format as in Linux Kernel would be nice
because we can crib the scripts/get_maintainer.pl script.
After some discussion, we chose to put a MAINTAINERS file under each
board directory, not the top-level one because we want to collect
relevant information for a board into a single place.
TODO:
Modify get_maintainer.pl to scan multiple MAINTAINERS files.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Suggested-by: Tom Rini <trini@ti.com>
Acked-by: Simon Glass <sjg@chromium.org>
This commit adds:
- arch/${ARCH}/Kconfig
provide a menu to select target boards
- board/${VENDOR}/${BOARD}/Kconfig or board/${BOARD}/Kconfig
set CONFIG macros to the appropriate values for each board
- configs/${TARGET_BOARD}_defconfig
default setting of each board
(This commit was automatically generated by a conversion script
based on boards.cfg)
In Linux Kernel, defconfig files are located under
arch/${ARCH}/configs/ directory.
It works in Linux Kernel since ARCH is always given from the
command line for cross compile.
But in U-Boot, ARCH is not given from the command line.
Which means we cannot know ARCH until the board configuration is done.
That is why all the "*_defconfig" files should be gathered into a
single directory ./configs/.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Acked-by: Simon Glass <sjg@chromium.org>
Add support for PCIe on MX6 SabreSDP board and enable the support
in the config file.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Liu Ying <Ying.Liu@freescale.com>
There is no need to print an error message when cpu_eth_init() fails because
net/eth.c already prints it.
In order to simplify the code, just return the value from cpu_eth_init(bis)
directly.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
mx6sabresd boards have a 18-bit LVDS data width and the correct color format
is RGB666.
Suggested-by: Liu Ying <Ying.Liu@freescale.com>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
HSYNC, VSYNC and DISP_CLK are very useful display signals for debugging.
Configure them as active pins.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Align with the context to use readl() to read the CCM_CCGR3
register with memory barrier instead of __raw_readl().
Signed-off-by: Liu Ying <Ying.Liu@freescale.com>
Reviewed-by: Fabio Estevam <fabio.estevam@freescale.com>
mx6sabre board has a m25p32 SPI NOR connected to ECSPI1 port.
Add support for it.
This patch allows the SPI NOR flash to be succesfully detected:
=> sf probe
SF: Detected M25P32 with page size 256 Bytes, erase size 64 KiB, total 4 MiB
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Currently HDMI splash screen is selected by default on mx6sabresd boards.
As LVDS is also enabled, this causes incorrect colors to be displayed im the
LVDS panel.
Fix this by selecting the LVDS panel as the default splash output and only keep
HDMI or LVDS turned on at the same time.
Acked-by: Liu Ying <Ying.Liu@freescale.com>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Currently board_eth_init() always return 0, but we should propagate the error
when cpu_eth_init() fails.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
If a HDMI cable is not connected, the following message is seen on boot:
CPU: Freescale i.MX6Q rev1.1 at 792 MHz
Reset cause: POR
Board: MX6-SabreSD
DRAM: 1 GiB
MMC: FSL_SDHC: 0, FSL_SDHC: 1, FSL_SDHC: 2
No panel detected: default to HDMI
unsupported panel HDMI
Reset the 'i' variable to fix the 'unsupported panel' message.
This follows the same idea of commit 47ac53d7ae (imx: nitrogen6x/mx6qsabrelite:
Fix bug in board_video_skip).
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Since commit d9b894603 (mx6sabresd: Add LVDS splash screen support) the
following hang happens if the HDMI cable is not connected or the 'panel'
variable is not set:
U-Boot 2013.10-rc2-12978-g47ac53d-dirty (Sep 11 2013 - 15:07:38)
CPU: Freescale i.MX6Q rev1.2 at 792 MHz
Reset cause: POR
Board: MX6-SabreSD
DRAM: 1 GiB
MMC: FSL_SDHC: 0, FSL_SDHC: 1, FSL_SDHC: 2
...
Provide a check to 'dev->detect' in order to prevent the hang.
Reported-by: Pardeep Kumar Singla <b45784@freescale.com>
Suggested-by: Eric Bénard <eric@eukrea.com>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
