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At present various drivers etc. access the device's 'seq' member directly.
This makes it harder to change the meaning of that member. Change access
to go through a function instead.
The drivers/i2c/lpc32xx_i2c.c file is left unchanged for now.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Try to maintain some consistency between these variables by using _plat as
a suffix for them.
Signed-off-by: Simon Glass <sjg@chromium.org>
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This name is far too long. Rename it to remove the 'data' bits. This makes
it consistent with the platdata->plat rename.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Rename this to be consistent with the change from 'platdata'.
Signed-off-by: Simon Glass <sjg@chromium.org>
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We use 'priv' for private data but often use 'platdata' for platform data.
We can't really use 'pdata' since that is ambiguous (it could mean private
or platform data).
Rename some of the latter variables to end with 'plat' for consistency.
Signed-off-by: Simon Glass <sjg@chromium.org>
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This construct is quite long-winded. In earlier days it made some sense
since auto-allocation was a strange concept. But with driver model now
used pretty universally, we can shorten this to 'auto'. This reduces
verbosity and makes it easier to read.
Coincidentally it also ensures that every declaration is on one line,
thus making dtoc's job easier.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Use the _ptr suffixed variant instead of casting. Also, convert it to
dev_read_addr_ptr(), which is safe to CONFIG_OF_LIVE.
One curious part is an error check like follows in
drivers/watchdog/omap_wdt.c:
priv->regs = (struct wd_timer *)devfdt_get_addr(dev);
if (!priv->regs)
return -EINVAL;
devfdt_get_addr() returns FDT_ADDR_T_NONE (i.e. -1) on error.
So, this code does not catch any error in DT parsing.
dev_read_addr_ptr() returns NULL on error, so this error check
will work.
I generated this commit by the following command:
$ find . -name .git -prune -o -name '*.[ch]' -type f -print | \
xargs sed -i -e 's/([^*)]*\*)devfdt_get_addr(/dev_read_addr_ptr(/'
I manually fixed drivers/usb/host/ehci-mx6.c
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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This reverts commit 5d3a21df6694ebd66d5c34c9d62a26edc7456fc7, reversing
changes made to 56d37f1c564107e27d873181d838571b7d7860e7.
Unfortunately this is causing CI failures:
https://travis-ci.org/github/trini/u-boot/jobs/711313649
Signed-off-by: Tom Rini <trini@konsulko.com>
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Use the _ptr suffixed variant instead of casting. Also, convert it to
dev_read_addr_ptr(), which is safe to CONFIG_OF_LIVE.
One curious part is an error check like follows in
drivers/watchdog/omap_wdt.c:
priv->regs = (struct wd_timer *)devfdt_get_addr(dev);
if (!priv->regs)
return -EINVAL;
devfdt_get_addr() returns FDT_ADDR_T_NONE (i.e. -1) on error.
So, this code does not catch any error in DT parsing.
dev_read_addr_ptr() returns NULL on error, so this error check
will work.
I generated this commit by the following command:
$ find . -name .git -prune -o -name '*.[ch]' -type f -print | \
xargs sed -i -e 's/([^*)]*\*)devfdt_get_addr(/dev_read_addr_ptr(/'
I manually fixed drivers/usb/host/ehci-mx6.c
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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The omap3.dtsi file shows the usbhshost node with two sub-nodes
for ohci and ehci. This patch file creates the usbhshost, and
pulls the portX-mode information. It then locates the EHCI
sub-node, and initializes the EHCI controller with the info
pulled from the usbhshost node.
There is still more to do since there isn't an actual link
between the 'phys' reference and the corresponding phy driver,
and there is no nop-xceiv driver yet.
In the meantime, the older style reference to
CONFIG_OMAP_EHCI_PHYx_RESET_GPIO is still needed to pull
the phy out of reset until the phy driver is completed and the
phandle reference is made.
Signed-off-by: Adam Ford <aford173@gmail.com>
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Move this uncommon header out of the common header.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Move this header out of the common header.
Signed-off-by: Simon Glass <sjg@chromium.org>
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When U-Boot started using SPDX tags we were among the early adopters and
there weren't a lot of other examples to borrow from. So we picked the
area of the file that usually had a full license text and replaced it
with an appropriate SPDX-License-Identifier: entry. Since then, the
Linux Kernel has adopted SPDX tags and they place it as the very first
line in a file (except where shebangs are used, then it's second line)
and with slightly different comment styles than us.
In part due to community overlap, in part due to better tag visibility
and in part for other minor reasons, switch over to that style.
This commit changes all instances where we have a single declared
license in the tag as both the before and after are identical in tag
contents. There's also a few places where I found we did not have a tag
and have introduced one.
Signed-off-by: Tom Rini <trini@konsulko.com>
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In commit bb1f327 we removed the UHH reset to fix NFS root (over usb
ethernet) problems with Beagleboard (3530 ES1.0). However, this
seems to cause USB detection problems for Pandaboard, about (3/8).
On further investigation, it seems that doing the UHH reset is not
the cause of the original Beagleboard problem, but in the way the reset
was done.
This patch adds proper UHH RESET mechanism for OMAP3 and OMAP4/5 based
on the UHH_REVISION register. This should fix the Beagleboard NFS
problem as well as the Pandaboard USB detection problem.
Reported-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
CC: Stefan Roese <sr@denx.de>
Reviewed-by: Stefan Roese <sr@denx.de>
Signed-off-by: Roger Quadros <rogerq@ti.com>
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This commit unifies board-specific USB initialization implementations
under one symbol (usb_board_init), declaration of which is available in
usb.h.
New API allows selective initialization of USB controllers whenever needed.
Signed-off-by: Mateusz Zalega <m.zalega@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Lukasz Majewski <l.majewski@samsung.com>
Cc: Marek Vasut <marex@denx.de>
Cc: Lukasz Majewski <l.majewski@samsung.com>
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Fix the linker error for missing ulpi_reset when ulpi is not defined
in the board config.
Signed-off-by: Dan Murphy <dmurphy@ti.com>
Acked-by: Marek Vasut <marex@denx.de>
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* Enable the OMAP5 EHCI host clocks
* Add OMAP5 EHCI register definitions
* Add OMAP5 ES2 host revision
Signed-off-by: Dan Murphy <dmurphy@ti.com>
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Fixes NFS root problems with Beagle (3530 ES1.0) when used with
external USB-ethernet adapter and "USB start" command used within
u-boot.
Soft resetting the UHH module causes instability issues on
all OMAPs so we just avoid it.
See OMAP36xx Errata
i571: USB host EHCI may stall when entering smart-standby mode
i660: USBHOST Configured In Smart-Idle Can Lead To a Deadlock
On OMAP4/5, soft-resetting the UHH module can put it into
Smart-Idle mode and lead to a deadlock.
On OMAP3 this doesn't seem to be the case but still instabilities
are observed on beagle (3530 ES1.0) if soft-reset is used.
e.g. NFS root failures with Linux kernel.
Signed-off-by: Roger Quadros <rogerq@ti.com>
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Signed-off-by: Wolfgang Denk <wd@denx.de>
[trini: Fixup common/cmd_io.c]
Signed-off-by: Tom Rini <trini@ti.com>
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Kill off ehci-core.h
It was used to specify some static controller data. To support more than
one controller being active at any time we have to carry the controller
data ourselfes. Change the ehci interface accordingly.
NOTE: OMAP implemented the ehci stuff a bit backwards and should be fixed
to do the same thing as other platforms. But the change for now is at least
compile clean.
Signed-off-by: Lucas Stach <dev@lynxeye.de>
Reviewed-by: Marek Vasut <marex@denx.de>
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This has never been completely sufficient and now happens too late to
paper over the cache coherency problems with the current USB stack.
Cc: Marek Vasut <marex@denx.de>
Signed-off-by: Tom Rini <trini@ti.com>
Signed-off-by: Ilya Yanok <ilya.yanok@cogentembedded.com>
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This is just a patch for the problem reported here:
http://lists.denx.de/pipermail/u-boot/2012-February/117580.html originally reported by Igor.
"Looks like this is copy paste error from my side,(for port2/3 it should have been bypass
for port2/3 rather its port1 set in bypass mode)"
I only submit the patch since it is missing in 2012.04-rc3 while the twister board
depends on it. Maybe it is already somewhere in the reposistory, but I cannot find it.
note: the twister boards still needs an additional `usb reset`, don't know why.
U-Boot 2012.04-rc3-dirty (Apr 19 2012 - 21:38:38)
AM35XX-GP ES1.0, CPU-OPP2, L3-165MHz, Max CPU Clock 600 Mhz
TAM3517 TWISTER Board + LPDDR/NAND
I2C: ready
DRAM: 256 MiB
NAND: 512 MiB
MMC: OMAP SD/MMC: 0
In: serial
Out: serial
Err: serial
Die ID #746c0000000000000155dc1405011024
Net: DaVinci-EMAC, smc911x-0
Hit any key to stop autoboot: 0
twister => usb start
(Re)start USB...
USB: Register 1313 NbrPorts 3
USB EHCI 1.00
scanning bus for devices... 1 USB Device(s) found
scanning bus for storage devices... 0 Storage Device(s) found
twister => usb reset
(Re)start USB...
USB: Register 1313 NbrPorts 3
USB EHCI 1.00
scanning bus for devices... 1 USB Device(s) found
scanning bus for storage devices... 0 Storage Device(s) found
twister => usb reset
(Re)start USB...
USB: Register 1313 NbrPorts 3
USB EHCI 1.00
scanning bus for devices... 1 USB Device(s) found
scanning bus for storage devices... 0 Storage Device(s) found
twister => usb reset
(Re)start USB...
USB: Register 1313 NbrPorts 3
USB EHCI 1.00
scanning bus for devices... 1 USB Device(s) found
scanning bus for storage devices... 0 Storage Device(s) found
Signed-off-by: Jeroen Hofstee <jeroen@myspectrum.nl>
Acked-by: Govindraj.R <govindraj.raja <at> ti.com>
Acked-by: Tom Rini <trini@ti.com>
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Clean up added ehci-omap.c and make it generic for re-use across
omap-soc having same ehci ip block. Also pass the modes to be configured
from board file and configure the ports accordingly. All usb layers
are not cache aligned, till then keep cache off for usb ops as ehci will use
internally dma for all usb ops.
* Add a generic common header ehci-omap.h having common ip block
data and reg shifts.
* Rename and modify ehci-omap3 to ehci.h retain only conflicting
sysc reg shifts remove others and move to common header file.
* pass the board data for beagle/panda accordinly to use
ehci ports.
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Govindraj.R <govindraj.raja@ti.com>
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Taken from Beagle code. Tested on mcx board (AM3517-based).
Signed-off-by: Ilya Yanok <yanok@emcraft.com>
Tested-by: Stefano Babic <sbabic@denx.de>
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