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22 Commits

Author SHA1 Message Date
Wolfvak
f835469e19 rewrite the bootrom function header, add more operations and add ARM11 versions 
- the bootrom is now mapped on the ARM11

- removed the waitClks in favor of a more canonical implementation (subs r0, r0, 4/5 + branch back)
 2020-07-24 13:37:29 -03:00
Wolfvak
929cc7fdcf better hints to reduce compiled size by a few kb 
mostly just added static const to constant arrays/buffers
 2020-07-23 13:46:42 -03:00
Wolfvak
30f0b004c2 fixed screen init, hopefully the last commmit 
- properly performs gpu/backlight reset

- nukes vram so the initrd had to be moved to arm9 memory, and have its size (at least temporarily) limited to 256k
 2020-07-18 20:25:34 -03:00
santiago
1e92163245 lazy fix for the screen init bug, hopefully 2020-05-09 16:24:40 -03:00
Wolfvak
915cb2d13e Hopefully fix #466 - now it resets the GPU/LCD into a known state instead of leaving the previous one on 2019-10-13 18:32:41 -03:00
Balint Kovacs
d2f596e7a3 Merge ARM11 spi and ARM9 spicard drivers 
Also centralize device IDs into SPI.h
 2019-10-11 16:24:08 +02:00
Wolfvak
a9624b6d81 fix a potential mcu bug 2019-10-03 17:04:35 -03:00
Wolfvak
fd5320b86f - properly align ARM11 stacks and buffers 
- add very simple exception dumping for the ARM11
 2019-09-29 19:53:28 +02:00
Wolfvak
d6c6f56526 fix compilation warnings due to unaligned packed structures in newer gcc 2019-09-29 19:53:27 +02:00
Wolfvak
07b2a2beb6 fix backwards compatibility with software that exclusively uses the old SPI interface 
fix PXI acknowledgement bug that prevented older GM9 from booting
 2019-09-29 19:53:27 +02:00
Wolfvak
04bf6438de lowered circle pad sensitivity on the horizontal axis 2019-06-03 02:28:27 +02:00
Wolfvak
6dc89d7107 compile time fixed brightness bugfix, reinstated command to set brightness from ARM9 2019-06-03 02:28:25 +02:00
Wolfvak
77f857ab64 - added way to prevent a race condition when reading the touchscreen values 
- simplified CODEC init and read code
- fixed I2C register

thanks to @profi200 for the last two points
 2019-06-03 02:27:44 +02:00
Wolfvak
a6734af45d licensing bs 2019-06-03 02:27:43 +02:00
Wolfvak
ad9a9bd5a0 - turn off the LCDs when the lid closes, and turn them back on when it's open 
- reset LEDs on boot
- add code to set the notification LED
- add a PXI command to verify the NVRAM is actually online
- notify the ARM9 about the shell state through the HID thing
 2019-06-03 02:27:43 +02:00
Wolfvak
70757e3385 - added extremely simple calibration dialog, to be replaced by something prettier/saner/safer at a later point in time 
- moved all SPI code to the ARM11
- reimplemented NVRAM reading for the new SPI interface
 2019-06-03 02:27:42 +02:00
Wolfvak
b52bf3b9a5 refactored SPI and CODEC drivers, getting ready to move all SPI ops to the ARM11 2019-06-03 02:27:42 +02:00
Wolfvak
1b04ca4fa1 - added touchscreen calibration code 
- added very simple 12-bit precision fixed point arithmetic code as a fast float replacement
 2019-06-03 02:27:42 +02:00
Wolfvak
bf45ee3900 - added new SPI and CODEC drivers ported from linux, thanks to xerpi 
- circle pad simulates dpad keys (up, right, down, left)
- raw touchscreen data is provided but currently unused
- added a simple shared memory region thing
- fixed the 10ms delay to be _after_ the backlights are turned on, thanks to profi again

as always, other stuff I probably forgot about
 2019-06-03 02:27:42 +02:00
Wolfvak
f5a877d00b - implemented MCU stuff and its interrupts, thanks @profi200 for the info 
- moved brightness control to the ARM11
- moved HID updating to the ARM11
- moved screen init from ARM9 to the ARM11, always performed unconditionally
- removed unnecessary SCREENINIT and SET_BRIGHTNESS pxi commands

and other stuff I probably forgot about
 2019-06-03 02:27:41 +02:00
Wolfvak
016eac6982 - properly set up MMU tables with caching and other fun stuff 
- maps a regular ARM-style exception vector table instead of using the bootrom vector redirection

features a ton of bugs because I'm missing something, it actually manages to boot fb3DS v1.2 and BAX fine, but fails to boot itself
 2019-06-03 02:27:41 +02:00
Wolfvak
2f86686388 renamed most low level functions and other stuff to fit with the current theme 
- added initial SCU twiddling
- added very untested and unusable SMP code
- fixed race condition that happened on boot
- added initial MMU code (just super basic identity mapping, no caching set up or anything)
- enabled some of the fancier ARMv6 features
- reorganized ARM11 files into their own folders
- possibly more stuff I'm forgetting about
 2019-06-03 02:27:41 +02:00