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Signed-off-by: Sean Cross <xobs@kosagi.com>

README: Add some more HW block addresses.

Based on browsing various code and information publicly avalable on the
Internet.

Replace eight spaces with one tab.
Signed-off-by: Sean Cross <xobs@kosagi.com>

Signed-off-by: Sean Cross <xobs@kosagi.com>

Signed-off-by: Sean Cross <xobs@kosagi.com>

Signed-off-by: Sean Cross <xobs@kosagi.com>

Signed-off-by: Sean Cross <xobs@kosagi.com>

Without the -s, it simply runs in the background.  Add
-s to the example string.
Signed-off-by: Sean Cross <xobs@kosagi.com>

lcd.c: Typo fix in comment.

Several GCC warnings were getting generated on various compilers.  This
patch solves those warnings.

For various platforms, a uint32_t is not the same as an unsigned int. On
these platforms, printf("%x", (uint32_t)0) generates a warning.  Use the
<inttypes.h> formats (i.e. PRIx32) as formatters to silence these warnings.

There was also a security warning picked up by certain compilers when
calling printf(msg) in fernly-usb-loader.  This has been fixed.

Finally, lcd.c was refactored to fold the unused lcd_dat_slot() function
into the lcd_cmd_slot() function as a brand-new unified lcd_slot().
Signed-off-by: Sean Cross <xobs@kosagi.com>

This reverts commit 11ac2200.

fernly-usb-loader: Add comments about GFH file headers.

enable-psram.S: Fix typo in comment.

README: Add Boot ROM to memory map.

cmd-keypad: Exit also on key press on serial/USB connection.

cmd-hex: Dump absolute memory address.

This code has been copied-and-pasted across multiple projects, hence the split between
hex_offset() and hex().  This is a fine patch for this project.

Seeing zeros is quite confusing - you never know if you mistypes something
(there's not even a number format error reporting), or something else.

"keypad" command so far assumes rather adhoc keyboard map, and effectively
locks up otherwise. Allow to break out of it from host connection.

Many MTK devices have bootloader connection available only for few seconds
after power-up. To not try to synchronize all of device connection over USB/
power-on and fernly-usb-loader start up, the latter can be run in this "wait"
mode, and a device connected and bootloader start at leisure.

Signed-off-by: Sean Cross <xobs@kosagi.com>

We used to use source files taken from U-Boot to allow for division and
modular arithmetic.  With the move to a BSD license, this is no longer
acceptible.

As a workaround, use a libgcc taken from a standard gcc distribution.
Add the .a file, which has not been modified in any way.
Signed-off-by: Sean Cross <xobs@kosagi.com>

Silenced GCC warnings

Changing baudrate to 115200

Changing baudrate to `B115200` which is defined in sys/temios.h on OSX.

This script was used early on to run Fernly on very customized hardware.
Remove it, as it's not relevant anymore.
Signed-off-by: Sean Cross <xobs@kosagi.com>

Remove unreachable code paths and awkward code comments.
Signed-off-by: Sean Cross <xobs@kosagi.com>

There is some racy condition where multiple bytes can cause a deadlock.
Until this is figured out, limit the FIFO to 1 byte.
Signed-off-by: Sean Cross <xobs@kosagi.com>

These calls enter into the MT6260 ROM.  Explain a bit more about where they
come from and what their function prototypes are.
Signed-off-by: Sean Cross <xobs@kosagi.com>

To ensure everything is rebuilt, have the 'test' and 'shell' targets
depend on the 'all' target.
Signed-off-by: Sean Cross <xobs@kosagi.com>

The 'make shell' target loads fernly onto the board, then opens an
interactive shell with it.
Signed-off-by: Sean Cross <xobs@kosagi.com>

To interactively communicate with the fernly loader, pass '-s' to the
fernly-usb-loader program.  Otherwise it will wait for the shell to
start and then exit.
Signed-off-by: Sean Cross <xobs@kosagi.com>