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general cleanup
move clock init to cpu_eth_init in cpu/arm926ejs/mx27/generic.c
make MX27 specific phy init conditional on CONFIG_MX27
replace call to imx_get_ahbclk with one to imx_get_fecclk
and define imx_get_fecclk in include/asm-arm/arch-mx27/clock.h
Signed-off-by: John Rigby <jcrigby@gmail.com>
CC: Ben Warren <biggerbadderben@gmail.com>
CC: Fred Fan <fanyefeng@gmail.com>
CC: Tom <Tom.Rix@windriver.com>
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ARM926EJS core with MX31 peripherals.
Signed-off-by: John Rigby <jcrigby@gmail.com>
Earlier Version Signed-off-by: Wolfgang Denk <wd@denx.de>
CC: Fred Fan <fanyefeng@gmail.com>
CC: Tom <Tom.Rix@windriver.com>
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Use AT91_GPBR 3 as a bootcount register.
The bootmagic and the bootcount shares AT91_GPBR 3.
Signed-off-by: Anders Darander <ad@datarespons.se>
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Configuration defines should be preceeded with CONFIG_SYS_. Renamed
some at91 specific defines to conform to this naming convention:
AT91_CPU_NAME to CONFIG_SYS_AT91_CPU_NAME
AT91_MAIN_CLOCK to CONFIG_SYS_AT91_MAIN_CLOCK
Signed-off-by: Achim Ehrlich <aehrlich@taskit.de>
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* add's a warning to all files, which need update to new SoC access
* convert common files in cpu/../at91 and a lot of drivers to use
c stucture SoC access
Signed-off-by: Jens Scharsig <js_at_ng@scharsoft.de>
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* convert all files cpu/../at91 to use at91_gpio driver syntax
* change AT91_PINP([A-F])(\d+) to AT91_PIO_PORT\1, \2
this makes all 160 AT91_PINPxxx defines obsolete
* AT91_PINPxxx defines and gpio.h can be remove, if all boards converted to new SoC access
Signed-off-by: Jens Scharsig <js_at_ng@scharsoft.de>
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Add CONFIG_PRELOADER/CONFIG_NAND_SPL support for nand booting
to arm926ejs/start.S
This is derived from CONFIG_PRELOADER support in arm1136/start.S
Signed-off-by: John Rigby <jcrigby@gmail.com>
CC: Scott Wood <scottwood@freescale.com>
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SPEAr Architecture support added. It contains the support for
following SPEAr blocks
- Timer
- System controller
- Misc registers
Signed-off-by: Vipin <vipin.kumar@st.com>
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As per coding guidlines, it is good to maintain proper ordering
in the makefiles.
This was missed during initial coding, corrected here.
This was discovered during orion5x code review
Thanks to Albert Aribaud for this.
Signed-off-by: Prafulla Wadaskar <prafulla@marvell.com>
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According to the PPC reference implementation the udelay() function is
responsible for resetting the watchdog timer as frequently as needed.
Most other architectures do not meet that requirement, so long-running
operations might result in a watchdog reset.
This patch adds a generic udelay() function which takes care of
resetting the watchdog before calling an architecture-specific
__udelay().
Signed-off-by: Ingo van Lil <inguin@gmx.de>
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Provides initial support for TI OMAP-L1x/DA8xx SoC devices.
See http://www.ti.com
Provides:
Low level initialisation.
System clock API.
Timer control.
Signed-off-by: Nick Thompson <nick.thompson@gefanuc.com>
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Remove volatiles and memory mapped structure accesses and replace with
readl and writel macro usage.
Signed-off-by: Nick Thompson <nick.thompson@gefanuc.com>
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Signed-off-by: Wolfgang Denk <wd@denx.de>
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U-boot for Marvell Kirkwood boards no longer work after the EABI changes
introduced in commit f772acf8a584067033eff1e231fcd1fb3a00d3d9. This
turns out to be caused by a stack alignment issue. The armv5te
instructions ldrd/strd instructions require 8-byte alignment to work
properly (otherwise undefined behavior).
Tested on an OpenRD base board, where both printouts and ubifs stuff now
works.
Signed-off-by: Simon Kagstrom <simon.kagstrom@netinsight.net>
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FLAG_PARSE_SEMICOLON is not defined without hush.h, so include that.
Signed-off-by: Simon Kagstrom <simon.kagstrom@netinsight.net>
Signed-off-by: Prafulla Wadaskar <prafulla@marvell.com>
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these boards are built around Atmel's AT91SAM9260/9G20 and have
up to 64MB of NOR flash, up to 128MB of SDRAM, up to 2GB of NAND
and include a 10/100 Ethernet PHY in RMII mode.
Signed-off-by: Eric Benard <eric@eukrea.com>
Signed-off-by: Tom Rix <Tom.Rix@windriver.com>
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DM646x is an SOC from TI which has both an ARM and a DSP.
There are multiple variants of the SOC mainly dealing with different
core speeds.
This patch adds the initial framework for the DM646x SOC.
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
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This patch adds support for DaVinci DM365 SOC.
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
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-fno-strict-aliasing is hidding warnings.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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This feature can be used to trigger special command "sysrstcmd" using
reset key long press event and environment variable "sysrstdelay" is set
(useful for reset to factory or manufacturing mode execution)
Kirkwood SoC implements a hardware-based SYSRSTn duration counter.
When SYSRSTn is asserted low, a SYSRSTn duration counter is running.
The counter value is stored in the SYSRSTn Length Counter Register
The counter is based on the 25-MHz reference clock (40ns)
It is a 29-bit counter, yielding a maximum counting duration of
2^29/25 MHz (21.4 seconds). When the counter reach its maximum value,
it remains at this value until counter reset is triggered by setting
bit 31 of KW_REG_SYSRST_CNT
Implementation:
Upon long reset assertion (> ${sysrstdelay} in secs) sysrstcmd will be
executed if pre-defined in environment variables.
This feature will be disabled if "sysrstdelay" variable is unset.
for-ex.
setenv sysrst_cmd "echo starting factory reset;
nand erase 0xa0000 0x20000;
echo finish ed sysrst command;"
will erase particular nand sector if triggered by this event
Signed-off-by: Prafulla Wadaskar <prafulla@marvell.com>
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The Calao SBC35-A9G20 board is manufactured and sold by Calao Systems
<http://www.calao-systems.com>. It is built around an AT91SAM9G20 ARM SoC
running at 400MHz. It features an Ethernet port, an SPI RTC backed by an onboard
battery , an SD/MMC slot, a CompactFlash slot, 64Mo of SDRAM, 256Mo of NAND
flash, two USB host ports, and an USB device port. More informations can be
found at <http://www.calao-systems.com/articles.php?lng=en&pg=5936>
Signed-off-by: Albin Tonnerre <albin.tonnerre@free-electrons.com>
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This patch adds support for i.MX27-LITEKIT development board from
LogicPD. This board uses i.MX27 SoC and has 2MB NOR flash, 64MB NAND
flash, FEC ethernet controller integrated into i.MX27.
Signed-off-by: Ilya Yanok <yanok@emcraft.com>
Acked-by: Wolfgang Denk <wd@denx.de>
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For some time there have been repeated reports about build problems
with some ARM (cross) tool chains. Especially issues about
(in)compatibility with the tool chain provided runtime support
library libgcc.a caused to add and support a private implementation
of such runtime support code in U-Boot. A closer look at the code
indicated that some of these issues are actually home-made. This
patch attempts to clean up some of the most obvious problems and make
building of U-Boot with different tool chains easier:
- Even though all ARM systems basicy used the same compiler options
to select a specific ABI from the tool chain, the code for this was
distributed over all cpu/*/config.mk files. We move this one level
up into lib_arm/config.mk instead.
- So far, we only checked if "-mapcs-32" was supported by the tool
chain; if yes, this was used, if not, "-mabi=apcs-gnu" was
selected, no matter if the tool chain actually understood this
option. There was no support for EABI conformant tool chains.
This patch implements the following logic:
1) If the tool chain supports
"-mabi=aapcs-linux -mno-thumb-interwork"
we use these options (EABI conformant tool chain).
2) Otherwise, we check first if
"-mapcs-32"
is supported, and then check for
"-mabi=apcs-gnu"
If one test succeeds, we use the first found option.
3) In case 2), we also test if "-mno-thumb-interwork", and use
this if the test succeeds. [For "-mabi=aapcs-linux" we set
"-mno-thumb-interwork" mandatorily.]
This way we use a similar logic for the compile options as the
Linux kernel does.
- Some EABI conformant tool chains cause external references to
utility functions like raise(); such functions are provided in the
new file lib_arm/eabi_compat.c
Note that lib_arm/config.mk gets parsed several times, so we must
make sure to add eabi_compat.o only once to the linker list.
Signed-off-by: Wolfgang Denk <wd@denx.de>
Cc: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: Dirk Behme <dirk.behme@googlemail.com>
Cc: Magnus Lilja <lilja.magnus@gmail.com>
Cc: Tom Rix <Tom.Rix@windriver.com>
Cc: Prafulla Wadaskar <prafulla@marvell.com>
Acked-by: Sergey Kubushyn <ksi@koi8.net>
Tested-by: Magnus Lilja <lilja.magnus@gmail.com>
Tested-by: Andrzej Wolski <awolski@poczta.fm>
Tested-by: Gaye Abdoulaye Walsimou <walsimou@walsimou.com>
Tested-by: Tom Rix <Tom.Rix@windriver.com>
Tested-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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This is a port of Linux driver for SDHC host controller hardware
found on Freescale's MX2 and MX3 processors. Uses new generic MMC
framework (CONFIG_GENERIC_MMC) and it looks like there are some
problems with a framework (at least on LE cpus). Some of these
problems are addressed in the following patches.
Signed-off-by: Ilya Yanok <yanok@emcraft.com>
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Needed for AT91SAM9260 NOR Boot on Eukrea's CPU9260.
Signed-off-by: Eric Benard <eric@eukrea.com>
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Signed-off-by: Alessandro Rubini <rubini@unipv.it>
Acked-by: Andrea Gallo <andrea.gallo@stericsson.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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Commit 70ebf316 factored out the ROUND() macro into include/common.h,
not realizing that the primary use of this macro on AT91 systems was
in start.S where common.h was not included, and could not be included
because it contains a lot of C code which the assembler doesn't
understand.
This patch wraps such code in common.h in a "#ifndef __ASSEMBLY__"
construct, and then adds an include to cpu/arm926ejs/start.S thus
solving the problem.
Signed-off-by: Wolfgang Denk <wd@denx.de>
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Signed-off-by: Ilya Yanok <yanok@emcraft.com>
Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
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AT91sam9g10 is an ARM 926ej-s SOC. It is an evolution of the at91sam9261 with a
faster clock speed: 266/133MHz.
Signed-off-by: Sedji Gaouaou <sedji.gaouaou@atmel.com>
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AT91sam9g45 series is an ARM 926ej-s SOC family clocked at 400/133MHz.
It embeds USB high speed host and device, LCD, DDR2 RAM, and a full set of
peripherals.
The first board that embeds at91sam9g45 chip is the AT91SAM9G45-EKES.
On the board you can find 2 USART, USB high speed,
a 480*272 LG lcd, ethernet, gpio/joystick/buttons.
Signed-off-by: Sedji Gaouaou <sedji.gaouaou@atmel.com>
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Signed-off-by: Wolfgang Denk <wd@denx.de>
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This patch abstracts Kirkwood arch specific changes to support ehci-kirkwood driver
Signed-off-by: Prafulla Wadaskar <prafulla@marvell.com>
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This sets CONFIG_SYS_HZ to 1000 as required, and completely rewrites
timer code, which is now both correct and much smaller. Unused
functions like udelay_masked() have been removed as no driver uses
them, even the ones that are not currently active for this board.
mtu.h is copied literally from the kernel sources.
Signed-off-by: Alessandro Rubini <rubini@unipv.it>
Acked-by: Andrea Gallo <andrea.gallo@stericsson.com>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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There is only one public release of the Nomadik chip, so the ifdef
in reset code as well as a define in the config file are not needed
Signed-off-by: Alessandro Rubini <rubini@unipv.it>
Acked-by: Andrea Gallo <andrea.gallo@stericsson.com>
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To enable CAN init, CONFIG_CAN has to be defined in the board config file
and at91_can_hw_init() has to be called in the board specific code.
CAN is available on AT91SAM9263 and AT91CAP9 SoC.
Signed-off-by: Daniel Gorsulowski <Daniel.Gorsulowski@esd.eu>
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Kirkwood family controllers are highly integrated SOCs
based on Feroceon-88FR131/Sheeva-88SV131/arm926ejs cpu core.
SOC versions supported:-
1) 88F6281-A0 define CONFIG_KW88F6281_A0
2) 88F6192-A0 define CONFIG_KW88F6192_A0
Other supported features:-
1) get_random_hex() fucntion
2) PCI Express port initialization
3) NS16550 driver support
Contributors:
Yotam Admon <yotam@marvell.com>
Michael Blostein <michaelbl@marvell.com
Reviewed-by: Ronen Shitrit <rshitrit@marvell.com>
Acked-by: Stefan Rose <sr@denx.de>
Signed-off-by: Prafulla Wadaskar <prafulla@marvell.com>
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This patch adds generic code to support Freescale's i.MX27 SoCs.
Signed-off-by: Ilya Yanok <yanok@emcraft.com>
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the lowlevel init sequence is the same so unify it
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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Added CONFIG_NET_MULTI to all Davinci boards
Removed all calls to Davinci network driver from board code
Added cpu_eth_init() to cpu/arm926ejs/cpu.c
Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
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This driver has been renamed davinci_emac.c
Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
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Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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move s3c44b0 to arch_cpu_init and as noone use cpu_init remove it
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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all arm init the IRQ stack the same way
so unify it in lib_arm/interrupts.c and then call arch specific interrupt init
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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all arm boards except a few use the same cpu linker script
so move it to cpu/$(CPU)
that could be overwrite in following order
SOC
BOARD
via the corresponding config.mk
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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uses PA10, PA11 for ETX2 and ETX3.
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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Once the Davinci watchdog has been enabled, the timeout
value cannot be changed. If the timeout in use is long,
it can take a long time for card to reset. By writing
an invalid service key, we can trigger an immediate reset.
Signed-off-by: Thomas Lange <thomas@corelatus.se>
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Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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The u-boot.lds is common for all DaVinci boards. The patch removes
multiple instances and moves the u-boot.lds to /cpu/arm926ejs/davinci
folder. This addresses one of the comments i received while submitting
patches for DM3xx
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
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