The Topcliff PCH has 4 UART devices integrated (Device 10, Funciton
1/2/3/4). Add the corresponding device nodes in the crownbay.dts per
Open Firmware PCI bus bindings.
Also a comment block is added for the 'stdout-path' property in the
chosen node, mentioning that by default the legacy superio serial
port (io addr 0x3f8) is still used on Crown Bay as the console port.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
Use ePAPR defined properties for x86-uart: clock-frequency and
current-speed. Assign the value of clock-frequency in device tree
to plat->clock of x86-uart instead of using hardcoded number.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
There are many pci uart devices which are ns16550 compatible. We can
describe them in the board dts file and use it as the U-Boot serial
console as specified in the chosen node 'stdout-path' property.
Those pci uart devices can have their register be memory-mapped, or
i/o-mapped. The driver will try to use the memory-mapped register if
the reg property in the node has an entry to describe the memory-mapped
register, otherwise i/o-mapped register will be used.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
This commit adds several APIs to decode PCI device node according to
the Open Firmware PCI bus bindings, including:
- fdtdec_get_pci_addr() for encoded pci address
- fdtdec_get_pci_vendev() for vendor id and device id
- fdtdec_get_pci_bdf() for pci device bdf triplet
- fdtdec_get_pci_bar32() for pci device register bar
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
(Include <pci.h> in fdtdec.h and adjust tegra to fix build error)
Remove the troublesome union hob_pointers so that some annoying casts
are no longer needed in those hob access routines. This also improves
the readability.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
Introduce a gd->hose to save the pci hose in the early phase so that
apis in drivers/pci/pci.c can be used before relocation. Architecture
codes need assign a valid gd->hose in the early phase.
Some variables are declared as static so change them to be either
stack variable or global data member so that they can be used before
relocation, except the 'indent' used by CONFIG_PCI_SCAN_SHOW which
just affects some print format.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
On x86, some peripherals on pci buses need to be accessed in the
early phase (eg: pci uart) with a valid pci memory/io address,
thus scan the pci bus and do the corresponding resource allocation.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
arch/x86/cpu/pci.c has access to the U-Boot global data thus
DECLARE_GLOBAL_DATA_PTR is needed.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
This commits cleans up the board dts files.
- Correct the serial port register size to 8
- Remove the misleading status = "disabled" statement in the
serial.dtsi
- Move the inclusion of skeleton.dtsi from serial.dtsi to board
dts files
- Let the board dts file define stdout-path in the chosen node
- Remove device nodes in board dts files thar are duplicated to
skeleton.dtsi
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
The name of coreboot.dtsi is misleading, as it actually describes
the legacy serial port device node.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
Since commit 41623c91b0 u-boot running in qemu is
crashing in function do_omap3_emu_romcode_call(). RX-51 board uses this function
for Cortex-A8 errata 430973 workaround (Set IBE bit in ACR) which is needed only
on real secure device and not in qemu.
This board patch just disable calling secure PPA routine on non secure devices.
Qemu implements GP device and with this patch u-boot is working in qemu again.
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Convert Extreme Engineering Solutions products to use generic board
support.
Signed-off-by: John Schmoller <jschmoller@xes-inc.com>
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
- "string" type for SYS_* is defined in arch/Kconfig
- SYS_CPU "armv7" has been replaced with "select CPU_V7"
- SYS_SOC "tegra124" is already defined in tegra124/Kconfig
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Acked-by: Bo Shen <voice.shen@atmel.com>
When CONFIG_TRACE is disabled, linking fails with:
common/built-in.o:(.data.init_sequence_f+0x8): undefined reference to `trace_early_init'
To fix, wrap trace init calls with #ifdef CONFIG_TRACE.
While at it, remove the static inline version of the init call from
trace.h as suggested by Simon Glass, since it doesnt work.
Cc: Simon Glass <sjg@chromium.org>
Cc: Tom Rini <trini@ti.com>
Signed-off-by: Kevin Hilman <khilman@linaro.org>
Acked-by: Simon Glass <sjg@chromium.org>
The two error checks for image_boot_mode_id and image_nand_ecc_mode_id where
wrong and would never fail, fix that!
This was detected by Apple's clang compiler:
---8<---
HOSTCC tools/kwbimage.o
tools/kwbimage.c:553:20: warning: comparison of unsigned expression < 0 is always false [-Wtautological-compare]
if (el->bootfrom < 0) {
~~~~~~~~~~~~ ^ ~
tools/kwbimage.c:571:23: warning: comparison of unsigned expression < 0 is always false [-Wtautological-compare]
if (el->nandeccmode < 0) {
~~~~~~~~~~~~~~~ ^ ~
2 warnings generated.
--->8---
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
Acked-By: Jeroen Hofstee <jeroen@myspectrum.nl>
When building with my toolchain (4.8.2):
CROSS_COMPILE=/home/lukma/work/ptxdist/toolchains/arm/OSELAS.Toolchain-2013.12.0/arm-v7a-linux-gnueabi/gcc-4.8.2-glibc-2.18-binutils-2.24-kernel-3.12-sanitized/bin/arm-v7a-linux-gnueabi-
I see following WARNING:
tools/kwbimage.c: In function "kwbimage_set_header":
tools/kwbimage.c:803:8: warning: "headersz" may be used uninitialized in this function [-Wmaybe-uninitialized]
memcpy(ptr, image, headersz);
^
This fix aims to suppress it.
Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
Acked-by: Stefan Roese <sr@denx.de>
Acked-by: Heiko Schocher <hs@denx.de>
MetaWare debugger (MDB) is still used as a primary tool for interaction
with target via JTAG. Moreover some very advanced features are not yet
implemented in GDB for ARC (and not sure if they will be implemnted
sometime soon given complexity and rare need for those features for
common user).
So if we're talking about development process when U-Boot is loaded in
target memory not by low-level boot-loader but manually through JTAG
chances are high developer uses MDB for it.
But MDB doesn't support PIE (position-independent executable) - it will
refuse to even start - that means no chance to load elf contents on
target.
Then the only way to load U-Boot in MDB is to fake it by:
1. Reset PIE flag in ELF header
This is simpe - on attempt to open elf MDB checks header and if it
doesn't match its expectation refuces to use provided elf.
2. Strip all debug information from elf
If (1) is done then MDB will open elf but on parsing of elf's debug
info it will refuse to process due to debug info it cannot understand
(symbols with PIE relocation).
Even though it could be done manually (I got it documented quite a while
ago here http://www.denx.de/wiki/U-Boot/ARCNotes) having this automated
way is very convenient. User may build U-Boot that will be loaded on
target via MDB saying "make mdbtrick".
Then if we now apply the manipulation MDB will happily start and will
load all required sections into the target.
Indeed there will be no source-level debug info available. But still MDB
will do its work on showing disassembly, global symbols, registers,
accessing low-level debug facilities etc.
As a summary - this is a pretty dirty hack but it simplifies life a lot
for us ARc developers.
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Cc: Tom Rini <trini@ti.com>
Cc: Wolfgang Denk <wd@denx.de>
Currently, "nand scrub" runs chip->scan_bbt at the end of
nand_erase_opts() even if NAND_SKIP_BBTSCAN flag is set.
It violates the intention of NAND_SKIP_BBTSCAN.
Move NAND_SKIP_BBTSCAN flag check to nand_block_checkbad() so that
chip->scan_bbt() is never run if NAND_SKIP_BBTSCAN is set.
Also, unset NAND_BBT_SCANNED flag instead of running chip->scan_bbt()
right after scrub. We can be lazier here because the BBT is scanned
at the next call of nand_block_checkbad().
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Scott Wood <scottwood@freescale.com>
Commit 35c204d8a9 (nand: reinstate lazy bad block scanning)
broke NAND_BBT_USE_FLASH feature.
Its git-log claimed that it reinstated the change as by commit
fb49454b1b ("nand: reinstate lazy bad block scanning"), but it moved
"chip->options |= NAND_BBT_SCANNED" below "chip->scan_bbt(mtd);".
It causes recursion if scan_bbt does not find a flash based BBT
and tries to write one, and the attempt to erase the BBT area
causes a bad block check.
Reinstate commit ff49ea8977 (NAND: Mark the BBT as scanned prior to
calling scan_bbt.).
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Rostislav Lisovy <lisovy@merica.cz>
Cc: Heiko Schocher <hs@denx.de>
Cc: Scott Wood <scottwood@freescale.com>
Since commit ff94bc40af (mtd, ubi, ubifs: resync with Linux-3.14),
the "nand scrub" command has not been working.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Scott Wood <scottwood@freescale.com>
Cc: Heiko Schocher <hs@denx.de>
Boot from SD-card (and probably also from NAND) was broken since
commit d6d07a9bec ("arm: vf610: add NAND support for vf610twr").
It looks like the increased size of U-Boot lead to a situation
where the boot ROM overwrote its own stack/heap while loading
U-Boot from the SD-card to the SRAM. However, U-Boot worked fine
when loaded through USB serial loader directly into SRAM. It
looks like loading from SD-card uses other stack/heap location
then the serial loader (or maybe no stack or heap at all).
This fix moves U-Boot to gfxRAM, which is 512kB in size and is not
used by the boot ROM nor the SD-card loader of it.
Signed-off-by: Stefan Agner <stefan@agner.ch>
Acked-by: Bill Pringlemeir <bpringlemeir@nbsps.com>
Resynchronize memcpy/memset with kernel 3.17 and build them in
Thumb2 mode (unified syntax). Those assembler files can be built
and linked in ARM mode too, however when calling them from Thumb2
built code, the stack got corrupted and the copy did not succeed
(the exact details have not been traced back). However, the Linux
kernel builds those files in Thumb2 mode. Hence U-Boot should
build them in Thumb2 mode too when CONFIG_SYS_THUMB_BUILD is set.
To build the files without warning, some assembler instructions
had to be replaced with their UAL compliant variant (thanks
Jeroen for this input).
To build the file in Thumb2 mode the implicit-it=always option need
to be set to generate Thumb2 compliant IT instructions where needed.
We add this option to the general AFLAGS when building for Thumb2.
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Stefan Agner <stefan@agner.ch>
Since commit 3ff46cc42b ("arm: relocate the exception vectors") mx25pdk
hangs like this:
CPU: Freescale i.MX25 rev1.2 at 399 MHz
Reset cause: WDOG
Board: MX25PDK
I2C: ready
DRAM: 64 MiB
(hangs)
Add a specific relocate_vectors macro that skips the vector relocation, as the
i.MX25 SoC does not provide RAM at the high vectors address (0xFFFF0000), and
(0x00000000) maps to ROM.
This allows mx25 to boot again.
Acked-By: Bill Pringlemeir <bpringlemeir@nbsps.com>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Add CONFIG_SYS_FSL_QSPI_AHB in header file to enable AHB in driver.
In order to count the time, add CONFIG_CMD_TIME.
Using AHB read can improve the the read speed about 30%.
AHB read:
=> time sf read 0x8f800000 0 100000
SF: 1048576 bytes @ 0x0 Read: OK
time: 0.174 seconds
=> time sf read 0x8f800000 1000000 100000
SF: 1048576 bytes @ 0x1000000 Read: OK
time: 0.174 seconds
IP read:
=> time sf read 0x8f800000 0 100000
SF: 1048576 bytes @ 0x0 Read: OK
time: 0.227 seconds
=> time sf read 0x8f800000 1000000 100000
SF: 1048576 bytes @ 0x1000000 Read: OK
time: 0.227 seconds
Note:
Quad read is not supported in driver, now. In my side, using AHB and Quad read
can achieve about 16MB/s. Anyway, I have plan to reimplement the driver using
DTB and DM, then make the code cleaner and more feature can be added.
Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Reviewed-by: Jagannadha Sutradharudu Teki <jagannadh.teki@gmail.com>
The QSPI controller in i.MX 6SoloX and Vybrid supports reading data using
IP register and AHB bus.
The original driver only supports reading data from IP interface. The IC
team suggests to use AHB read which is faster then IP read. Using AHB read,
we can directly memcpy, a "missed" access to the buffer will cause the
controller to clear the buffer and use the SEQID stored in bfgencr register
to initiate a read from flash device.
Since AHB bus is 64 bit width, we can not set MCR register using 32bit. In
order to minimize code change, redefine QSPI_MCR_END_CFD_LE to 64bit Little
endian but not 32bit Little endia.
Introduce a new configuration option CONFIG_SYS_FSL_QSPI_AHB. If want to
use AHB read, just define CONFIG_SYS_FSL_QSPI_AHB. If not, just ignore it.
Actually if Vybrid is migrated to use AHB read, this option can be removed and
IP read function can be discared. The reason to introduce this option
is that only i.MX SOC is tested in my side, no Vybrid platform for me.
In spi_setup_slave, the original piece code to set AHB is deleted, since
Vybrid platform does not use this to intiate AHB read. Instead, add
qspi_init_ahb_read function if defined CONFIG_SYS_FSL_QSPI_AHB.
Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Reviewed-by: Jagannadha Sutradharudu Teki <jagannadh.teki@gmail.com>
Currently there is an unneeded empty line after printing the reset cause:
U-Boot 2015.01-rc4-00080-g0551a93 (Jan 06 2015 - 13:04:19)
CPU: Freescale i.MX25 rev1.2 at 399 MHz
Reset cause: POR
Board: MX25PDK
I2C: ready
DRAM: 64 MiB
MMC: FSL_SDHC: 0
Remove the extra "\n" when printing the reset cause.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
We should not hardcode array size of i2c_data to 3. To CONFIG_FSL_LSCH3,
there are 4 i2c interface, but not 3. So the size of i2c_data array should
be calculated using "ARRAY_SIZE(i2c_bases)".
To avoid compile error, move i2c_bases before sram_data structure which
contains i2c_data array.
Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Signed-off-by: Luka Perkov <luka.perkov@sartura.hr>
CC: Prafulla Wadaskar <prafulla@marvell.com>
CC: Wolfgang Denk <wd@denx.de>
Acked-by: Stefan Roese <sr@denx.de>
According to the UEFI Spec (Table 16, section 5.2.3 of the version 2.4 Errata
B), the protective MBR partition record size must be set to the size of the
disk minus one, in LBAs.
However, the current code was setting the size as the total number of LBAs on
the disk, resulting in an off-by-one error.
This confused the AM335x ROM code, and will probably confuse other tools as
well.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Commit 73c25753 fixed the common issue that binutil packages (tool/organization
that packaged or built the bin-utils) are included in brackets and this may
falsely be recognized as a version. However, some tools do not provide a
'package' and previously we add the 'Gnu assembler..' to the version.
Strip out the '(package version text)' and then look for a ##.## string.
Signed-off-by: Bill Pringlemeir <bpringlemeir@nbsps.com>
Tested-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Tested-by: Hans de Goede <hdegoede@redhat.com>
The low-level debugging functions are useful to debug the early boot
stage where the full UART driver is not available.
UniPhier SoCs need to initialize the UART port 0 to use this feature.
The initialization routine is called at the very entry of the
lowlevel_init().
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
For NAND boot on PH1-LD4, PH1-sLD8, and some other SoCs,
the output of the system bus is disabled by default.
It must be enabled by software to have access to the system bus.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
The max size of available memories on slot0 and slot1 is 32MB because
- EA[25] signal is not output on the save-pin mode which is
used PH1-LD4 or later SoCs.
- EA[25] signal is not connected by the limitation (or bug?) of
the PLD logic of DCC support card.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
No functional change, just simplify the code a bit.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Jagannadha Sutradharudu Teki <jagannadh.teki@gmail.com>
fdt_first_subnode() returns -FDT_ERR_NOTFOUND if no subnode found.
0 is supposed to be a valid offset returns from fdt_first_subnode().
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Jagannadha Sutradharudu Teki <jagannadh.teki@gmail.com>
Bin Meng
Tom Rini
Pali Rohár
Peter Tyser
John Schmoller
Masahiro Yamada
Stefan Herbrechtsmeier
Kevin Hilman
Andreas Bießmann
Bo Shen
Łukasz Majewski
Alexey Brodkin
Stefan Agner
Fabio Estevam
Peng Fan
Jeremiah Mahler
Luka Perkov
Maxime Ripard
Bill Pringlemeir
Axel Lin