Blackfin: add port muxing for BF51x SPI

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

Blackfin: output booting source when booting

Knowing the booting source of the part is useful, especially when the part
can switch dynamically between sources.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

Blackfin: set default CONFIG_ENV_SPI_CS based on bootrom

Set the default CONFIG_ENV_SPI_CS value to match the SPI CS that is used by
the Blackfin on-chip bootrom to boot out of SPI flash.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

Blackfin: update asm-blackfin/posix_types.h to latest Linux version

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

Blackfin: add port I bits

Some people need to access port I, so make sure the pins are defined.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

Blackfin: add driver for on-chip ATAPI controller

This is a port of the Linux Blackfin on-chip ATAPI driver to U-Boot.

Signed-off-by: Sonic Zhang <Sonic.Zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

Blackfin: add driver for on-chip NAND controller

This is a port of the Linux Blackfin on-chip NFC driver to U-Boot.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

Blackfin: build with -mno-fdpic

Use the -mno-fdpic flag so that any Blackfin toolchain can be used to build
up u-boot, including ones that output FDPIC ELF by default.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

Blackfin: fix up EBIU defines

The EBIU defines for EBSZ 256/512 were incorrect.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

Blackfin: use 8/16/32 bit transfer widths in dma_memcpy()

Rather than using 8bit transfers for everything, use 8/16/32 bit transfers
as usable with the source/destination addresses and the count size.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

Blackfin: only flag L1 instruction for DMA memcpy

The performance difference from doing an 8 bit DMA memcpy vs an optimized
core memcpy can be pretty big when you add in the overhead of setting up the
MDMA registers, cache flushes, etc...  So only use dma_memcpy() when we
actually require it.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

Blackfin: dma_memcpy(): fix random failures

We have to make sure the DMA channel is actually disabled in hardware before
attempting to reprogram it.  Otherwise the new settings are ignored and we
end up with random hangs/failures.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

Blackfin: rewrite cache handling functions

Take the cache flush functions from the kernel as they use hardware loops in
order to get optimal performance.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

Blackfin: setup bi_enetaddr for single nets

For systems with CONFIG_NET_MULTI disabled, bi_enetaddr does not get setup
based on $ethaddr, so set it up.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

Blackfin: cache core/system clock values

Calculating the clocks requires a bit of calls to gcc math functions, so
cache the values after the first run since they'll most likely never
change once U-Boot is up and running.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

Blackfin: enable --gc-sections

Start building all Blackfin boards with -ffunction-sections/-fdata-sections
and linking with --gc-sections.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

Blackfin: dont check baud if it wont actually get used

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

Blackfin: add driver for on-chip SPI controller

This fills out the SPI backend for the Blackfin on-chip SPI peripheral.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

Blackfin: only build post code when CONFIG_POST

Save some time by using CONFIG_POST in the Makefile rather than C files.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

Blackfin: bfin_mac: cleanup pointer/casts for aliasing issues

Redo how pointers are managed to get rid of ugly casts and strict pointer
aliasing issues that are highlighted by gcc 4.3.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Acked-by: Ben Warren <biggerbadderben@gmail.com>

Blackfin: bfin_mac: convert CONFIG_BFIN_MAC_RMII to CONFIG_RMII

No point in having a Blackfin-specific define "CONFIG_BFIN_MAC_RMII" that
does exactly the same thing as common "CONFIG_RMII".

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Acked-by: Ben Warren <biggerbadderben@gmail.com>

Blackfin: bfin_mac: use common debug()

Rather then defining our own DEBUGF(), just use the common debug().

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Acked-by: Ben Warren <biggerbadderben@gmail.com>

Blackfin: bfin_mac: respect CONFIG_PHY_{ADDR,CLOCK_FREQ}

Rather than having the on-chip MAC hardcoded to phy address 1 and a speed
of 2.5mhz, use these as defaults if the board doesn't specify otherwise.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Acked-by: Ben Warren <biggerbadderben@gmail.com>

Blackfin: bfin_mac: cleanup MII/PHY functions

Cleanup and rewrite the MII/PHY related functions so that we can reuse the
existing common linux/miiphy.h code and hook into the `mii` command.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Acked-by: Ben Warren <biggerbadderben@gmail.com>

Blackfin: bfin_mac: set MDCDIV based on SCLK

Rather than hardcoding MDCDIV to 24 (which is correct for ~125mhz SCLK),
use the real algorithm so it gets set correctly regardless of SCLK.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Acked-by: Ben Warren <biggerbadderben@gmail.com>

Merge branch 'master' of git://git.denx.de/u-boot-arm

Merge branch 'master' of git://git.denx.de/u-boot-net

Merge branch 'master' of git://git.denx.de/u-boot-ixp

ixp: move serial to drivers/serial

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

ixp: move pci init in arm/board instead of cpu

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

ixp: move pci drivers to drivers/pci

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

ixp: Move conditional compilation to Makefile

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

ixp: add missing os define

need by arm-elf toolchains and no impact on the arm-linux one

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

ixp: remove the option to include the Microcode

instead the board will have to load it from flash or ram
which will be specified by npe_ucode env var

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

ixp/npe: Move conditional compilation to Makefile

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

SX1: add hardware V2 support

In the V2 the 2 flash has been replace by one 32MB flash

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

SX1: Fix second flash mapping

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

SX1: add CONFIG_STDOUT_USBTTY to enable preboot stdout redirect to usbtty

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

move Samsung's board to board/samsung

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

move ARM Ltd. to vendor dir

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

ppc4xx: Clean up configuration file for Korat board

This patch updates the default environmental variables for the
Korat PPC 440EPx board, and makes additional minor fixes.

Signed-off-by: Larry Johnson <lrj@acm.org>
Signed-off-by: Stefan Roese <sr@denx.de>

ppc4xx: Add variable "korat_usbcf" for Korat board

The new environment variable "korat_usbcf" selects the USB
port used by the Korat board's CompactFlash controller.

Signed-off-by: Larry Johnson <lrj@acm.org>
Signed-off-by: Stefan Roese <sr@denx.de>

AVR32: macb - Search for PHY id

This patch adds support for searching through available PHY-addresses in
the macb-driver. This is needed for the ATEVK1100 evaluation board,
where the PHY-address will be initialized to either 1 or 7.

This patch adds a config option, CONFIG_MACB_SEARCH_PHY, which when
enabled tells the driver to search for the PHY address.

Signed-off-by: Gunnar Rangoy <gunnar@rangoy.com>
Signed-off-by: Paul Driveklepp <pauldriveklepp@gmail.com>
Signed-off-by: Olav Morken <olavmrk@gmail.com>
Signed-off-by: Ben Warren <biggerbadderben@gmail.com>

Fix IP alignment problem

This patch removes volatile from:
volatile IP_t *ip = (IP_t *)xip;

Due to a bug, avr32-gcc will assume that ip is aligned on a word boundary when
using volatile, which causes an exception since xip isn't aligned on a word
boundary.

Signed-off-by: Gunnar Rangoy <gunnar@rangoy.com>
Signed-off-by: Paul Driveklepp <pauldriveklepp@gmail.com>
Signed-off-by: Olav Morken <olavmrk@gmail.com>
Signed-off-by: Ben Warren <biggerbadderben@gmail.com>

Marvell 88E1118 interrupt fix

This patch adjusts the LED control so that interrupt lines are not reading LEDs
and effectively causing indefinite interrupts to the controller.

Signed-off-by: Ron Madrid <ron_madrid@sbcglobal.net>
Signed-off-by: Ben Warren <biggerbadderben@gmail.com>

net: smc911x.c: Add LAN9211 to chip_ids[] array

Signed-off-by: Stefan Roese <sr@denx.de>
Signed-off-by: Ben Warren <biggerbadderben@gmail.com>

Move is_valid_ether_addr() to include/net.h

Import the is_valid_ether_addr() function from the Linux kernel.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Ben Warren <biggerbadderben@gmail.com>

net: Sort Makefile labels

Signed-off-by: Michal Simek <monstr@monstr.eu>
Signed-off-by: Ben Warren <biggerbadderben@gmail.com>

Merge branch 'master' of git://git.denx.de/u-boot-nand-flash

85xx: Fix compile breakage with sbc8540 and sbc8560

This fixes an error which raises just a warning:
sbc8560.c:250: warning: passing argument 2 of 'strmhz' makes integer from pointer without a cast

Signed-off-by: Wolfgang Denk <wd@denx.de>

SPD823TS: do not define CONFIG_CMD_ENV

Since the SPD823TS board does not actually have any writable flash to save
its environment, undefine CONFIG_CMD_ENV so the "saveenv" command is
disabled.

This fixes the build error:
common/libcommon.a(cmd_nvedit.o): In function `do_saveenv':
common/cmd_nvedit.c:557: undefined reference to `saveenv'
make: *** [u-boot] Error 1

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

OMAP3: Add Zoom1 board support

Support for Zoom MDK with OMAP3430. Details of Zoom MDK available here:
http://www.logicpd.com/products/devkit/ti/zoom_mobile_development_kit

Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Jason Kridner <jkridner@beagleboard.org>

OMAP3: Add Pandora support

Add Pandora support.

Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Signed-off-by: Dirk Behme <dirk.behme@googlemail.com>
Signed-off-by: Jason Kridner <jkridner@beagleboard.org>

OMAP3: Add EVM board

Add EVM board support.

Signed-off-by: Manikandan Pillai <mani.pillai@ti.com>
Signed-off-by: Dirk Behme <dirk.behme@googlemail.com>
Signed-off-by: Jason Kridner <jkridner@beagleboard.org>

OMAP3: Add Overo board

Add Overo board support.

Signed-off-by: Steve Sakoman <sakoman@gmail.com>
Signed-off-by: Dirk Behme <dirk.behme@googlemail.com>
Signed-off-by: Jason Kridner <jkridner@beagleboard.org>

OMAP3: Add common power code, README, and BeagleBoard

Add BeagleBoard support, common power code and README.

Signed-off-by: Jason Kridner <jkridner@beagleboard.org>
Signed-off-by: Dirk Behme <dirk.behme@googlemail.com>

Merge branch 'master' of git://git.denx.de/u-boot-usb

Merge branch 'master' of git://git.denx.de/u-boot-blackfin

85xx: Fix compile breakage with MPC8540EVAL

Configuring for MPC8540EVAL board...
mpc8540eval.c: In function 'checkboard':
mpc8540eval.c:53: error: invalid operands to binary /
make[1]: *** [mpc8540eval.o] Error 1

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

usb_scan_devices: fix output with no devices

We should check the return of usb_new_device() so that if no USB device is
found, we print out the right message rather than always saying "new usb
device found".

Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Remy Bohmer <linux@bohmer.net>

USB: Add high-speed (480Mb/s) to all USB related outputs

With this patch the USB related connection speed output ("usb tree" command and
debug output) is now high-speed enabled.

This patch also fixes a compilation warning when debugging is enabled.

Signed-off-by: Stefan Roese <sr@denx.de>
Signed-off-by: Remy Bohmer <linux@bohmer.net>

USB: Add dcache support to the EHCI driver

This patch adds routines to handle (flush/invalidate) the dcache for the
QH and qTD structures and data buffers. This is needed on platforms using
this EHCI support with dcache enabled (like the MIPS VCT board port).

Signed-off-by: Stefan Roese <sr@denx.de>
Signed-off-by: Remy Bohmer <linux@bohmer.net>

USB: Add EHCI support for VCT EHCI controller

Signed-off-by: Stefan Roese <sr@denx.de>
Signed-off-by: Remy Bohmer <linux@bohmer.net>

USB: Add config option to call ehci_hcd_init() again after EHCI reset

This patch adds the config option CONFIG_EHCI_HCD_INIT_AFTER_RESET
to call ehci_hcd_init() again after ehci_reset() is executed. This
is needed for the upcoming VCT EHCI support which needs to re-init
the hcd part again after the EHCI CMD_RESET is executed.

Signed-off-by: Stefan Roese <sr@denx.de>
Signed-off-by: Remy Bohmer <linux@bohmer.net>

USB: Fix speed detection on EHCI cntr with root hub transaction translators

This patch fixes an issue that the speed of USB devices was not detected
correctly on some EHCI controllers. This will be used on the upcoming VCT
EHCI support.

Signed-off-by: Stefan Roese <sr@denx.de>
Signed-off-by: Remy Bohmer <linux@bohmer.net>

usb : musb : Enabling USB MSC support for DM6446 (TI DaVinci) platform

Enabling USB MSC support for DM6446 (TI DaVinci) platform in the
configuration file.

Signed-off-by: Ravi Babu <ravibabu@ti.com>
Signed-off-by: Swaminathan S <swami.iyer@ti.com>
Signed-off-by: Thomas Abraham <t-abraham@ti.com>
Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com>
Signed-off-by: Remy Bohmer <linux@bohmer.net>

usb : musb : Enabling DM6446 (TI DaVinci) USB module power

Enabling DM6446 (TI DaVinci) USB module power and MUSB low-level
controller hook up to USB core layer.

Signed-off-by: Ravi Babu <ravibabu@ti.com>
Signed-off-by: Swaminathan S <swami.iyer@ti.com>
Signed-off-by: Thomas Abraham <t-abraham@ti.com>
Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com>
Signed-off-by: Remy Bohmer <linux@bohmer.net>

usb : musb : Adding DM6446 (TI DaVinci) platform specific USB support

Adding DM6446 (TI DaVinci) platform specific USB functionality for
USB Phy and VBUS initialization.

Signed-off-by: Ravi Babu <ravibabu@ti.com>
Signed-off-by: Swaminathan S <swami.iyer@ti.com>
Signed-off-by: Thomas Abraham <t-abraham@ti.com>
Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com>
Signed-off-by: Remy Bohmer <linux@bohmer.net>

usb : musb : Adding USB VBUS enable functionality for DM644x DVEVM

Adding USB VBUS enable functionality for DM644x DVEVM (TI DaVinci)
platform.

Signed-off-by: Ravi Babu <ravibabu@ti.com>
Signed-off-by: Swaminathan S <swami.iyer@ti.com>
Signed-off-by: Thomas Abraham <t-abraham@ti.com>
Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com>
Signed-off-by: Remy Bohmer <linux@bohmer.net>

usb : musb : Adding host controller driver for Mentor USB controller

Adding Mentor USB core functionality and Mentor USB Host controller
functionality for Mentor USB OTG controller (musbhdrc).

Signed-off-by: Ravi Babu <ravibabu@ti.com>
Signed-off-by: Swaminathan S <swami.iyer@ti.com>
Signed-off-by: Thomas Abraham <t-abraham@ti.com>
Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com>
Signed-off-by: Remy Bohmer <linux@bohmer.net>

usb.h: use standard __LITTLE_ENDIAN from Linux headers

Rather than forcing people to define a custom "LITTLEENDIAN", just use the
__LITTLE_ENDIAN one from the Linux byteorder headers that every arch is
already setting up.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Remy Bohmer <linux@bohmer.net>

USB ehci ixp4xx support

Add USB ehci ixp4xx host controller. Test on ixdp465 board.

Signed-off-by: Michael Trimarchi <trimarchimichael@yahoo.it>
Signed-off-by: Remy Bohmer <linux@bohmer.net>

USB ehci remove infinite loop and use handshake function

USB ehci code cleanup. Use handshake instead of infinite while loop
to check the STD_ASS status

Signed-off-by: Michael Trimarchi <trimarchimichael@yahoo.it>
Signed-off-by: Remy Bohmer <linux@bohmer.net>

Add initial support for USB ehci pci

Add USB ehci pci support. This patch doesn't include any
pci_ids and it is not tested on real hardware.

Signed-off-by: Michael Trimarchi <trimarchimichael@yahoo.it>
Signed-off-by: Remy Bohmer <linux@bohmer.net>

usb_storage: do not reset SanDisk Corporation U3 Cruzer Micro USB thumb drive

The SanDisk Corporation U3 Cruzer Micro 1/4GB Flash Drive 000016244373FFB4
does not like to be reset, so check for it.

Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Remy Bohmer <linux@bohmer.net>

usb : usb_kbd : Populating 'priv' member of USB keyboard device_t structure

This patch populates the 'priv' field of the USB keyboard device_t
structure. The 'priv' field is populated with the address of the
'struct usb_device' structure that represents the USB device.

The 'priv' field can then be used in the 'usb_event_poll' function to
determine the USB device that requires to be polled. An
example of its usage in 'usb_event_poll' function is as below.

device_t *dev;
struct usb_device *usb_kbd_dev;

<snip>

dev = device_get_by_name("usbkbd");
usb_kbd_dev = (struct usb_device *)dev->priv;
iface = &usb_kbd_dev->config.if_desc[0];

Signed-off-by: Thomas Abraham <t-abraham@ti.com>
Signed-off-by: Remy Bohmer <linux@bohmer.net>

USB change speed

USB changes the speed according to the port status

Signed-off-by: Michael Trimarchi <trimarchimichael@yahoo.it>
Signed-off-by: Remy Bohmer <linux@bohmer.net>

EHCI fix code and ixp4xx test.
USB ehci configuration parameter:

#define CONFIG_CMD_USB          1
#define CONFIG_USB_STORAGE      1
#define CONFIG_USB_EHCI
#define CONFIG_USB_EHCI_IXP4XX 1
#define CONFIG_EHCI_IS_TDI 1
#define CONFIG_EHCI_DESC_BIG_ENDIAN     1
#define CONFIG_EHCI_MMIO_BIG_ENDIAN     1
#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 2
#define CONFIG_LEGACY_USB_INIT_SEQ      1

2 USB Device(s) found
       scanning bus for storage devices... 0 Storage Device(s) found
=> usb tree

Device Tree:
  1  Hub (1.5MBit/s, 0mA)
  |  u-boot EHCI Host Controller
  |
  |+-2  Mass Storage (12MBit/s, 100mA)
       Sony Storage Media 0C07040930296

=>

Signed-off-by: Michael Trimarchi <trimarchimichael@yahoo.it>
Signed-off-by: Remy Böhmer <linux@bohmer.net>

[PATCH] This patch add varius fix to the ehci.
- fix ehci_readl, ehci_writel
- introduce new define in ehci.h
- introduce the handshake function for waiting on a register
- fix usb_ehci_fsl with the new HC_LENGTH macro

Signed-off-by: Michael Trimarchi <trimarchimichael@yahoo.it>
Signed-off-by: Remy Böhmer <linux@bohmer.net>

[PATCH] Fix EHCI usb. I start to test on a
IXP465 board and I find some errors in the code. This
patch fix:
- descriptor initizialization (config, interface and endpoint
  must be one next-to the other when the USB_DT_CONFIG message
  is send.
- FIX little/endian bigendian (introduce the CONFIG_EHCI_DESC_BIG_ENDIAN
  and the CONFIG_EHCI_MMIO_BIG_ENDIAN)
- Introduce the linux version of the usb_config_descriptor and
  usb_interface descriptor. This descriptor does't contains
  u-boot extension.

Signed-off-by: Michael Trimarchi <trimarchimichael@yahoo.it>
Signed-off-by: Remy Böhmer <linux@bohmer.net>

USB ehci freescale support

Add USB ehci freescale support

Signed-off-by: Michael Trimarchi <trimarchi@gandalf.sssup.it>
Signed-off-by: Remy Böhmer <linux@bohmer.net>

USB ehci core support

Add USB ehci core support

Signed-off-by: Michael Trimarchi <trimarchi@gandalf.sssup.it>
Signed-off-by: Remy Böhmer <linux@bohmer.net>

Prepare USB layer for ehci

Prepare USB layer for ehci support

Signed-off-by: Michael Trimarchi <trimarchi@gandalf.sssup.it>
Signed-off-by: Remy Böhmer <linux@bohmer.net>

USB storage cleanup patch

Cleanup usb storage

Signed-off-by: Michael Trimarchi <trimarchimichael@yahoo.it>
Signed-off-by: Remy Bohmer <linux@bohmer.net>

Blackfin: fixup misc warnings such as printf's and missing casts

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

Blackfin: convert old boards to use COBJS-y Makefile style

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

Blackfin: bf533-stamp: rewrite resource swap logic

The old swap function tended to clobber unrelated pins and screw up masks.
Rewrite the thing from scratch so it only uses the resources it needs.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

Blackfin: bootldr: implement BF53x/BF56x LDR loader

The BF53x/BF56x parts do not have an on-chip ROM to boot LDRs out of
arbitrary memory locations, so implement a basic one in software.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

Blackfin: implement real write support for OTP

Now that real documentation has been released for the OTP interface and
the on-chip ROM wrt writing/timings, implement support for reading/writing
as well as dumping/locking.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

Blackfin: update on-chip ROM API

This brings the API for the on-chip ROM in line with the toolchain and
hardware documentation.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

Blackfin: allow serial console to be disabled

Some devices have no UART device pulled out, so allow people to disable the
driver completely in favor of other methods (like JTAG-console).

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

Blackfin: support console-over-JTAG

The Blackfin JTAG has the ability to pass data via a back-channel without
halting the processor.  Utilize that channel to emulate a console.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

Blackfin: handle new anomalies with reset

Workaround fun new anomalies related to software reset of the processor.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

Blackfin: pass RETX to Linux

Make sure we save the value of RETX at power on and then pass it on to the
kernel so that it can nicely debug a "double-fault-caused-a-reset" crash.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

Blackfin: clarify relocation comment during init

People often ask questions about the init process and when things go
from flash to relocated base, so clarify the comments a bit.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

Blackfin: just set SP register directly during init

No need to set the SP register indirectly to the configured value when it
can be set directly.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

Blackfin: add portmuxing for UARTs on the BF51x

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

Blackfin: respect CONFIG_CLKIN_HALF

As pointed out by Ivan Koryakovskiy, the initialization code was not
actually respecting the CONFIG_CLKIN_HALF option when configuring the
PLL_CTL register.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

Blackfin: use common memcpy routine during init

Rather than using a local custom memcpy function, just call the existing
optimized Blackfin version.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

Blackfin: set default boot SPI CS for BF538/BF539

The BF538/BF539 use CS2 for booting off of rather than CS1 like newer
Blackfin parts.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>