Commit Graph

28 Commits

Author SHA1 Message Date
Jacob Pease
ad9c98c19c Added file necessary to split boot.mem into boot.mem and data.mem. 2024-08-02 15:36:06 -05:00
Jacob Pease
897f6561cd New bootloader now works. Added special print functions and print messages. sdclk is set to 3MHz after initialization currently. 2024-08-02 15:19:52 -05:00
Jacob Pease
fcd88d6e6f Added functions to read registers and print information on failure. Also added a getTime function for a pretty boot display. 2024-08-02 15:14:30 -05:00
Jacob Pease
38071d8267 Updated formatting of gpt.c and boot.c. 2024-07-31 11:12:05 -05:00
Jacob Pease
ee980e39f3 Added function to set SPI clock speed. 2024-07-31 11:00:44 -05:00
Jacob Pease
c4ae17c679 Cleaned up code formatting a bit and added ability to set the SD card clock speed. 2024-07-31 10:59:41 -05:00
Jacob Pease
a263f836f2 Added extra UART macros and functions for code readability and the ability to print decimal numbers. 2024-07-31 10:58:15 -05:00
Jacob Pease
3975f60299 Added carriage returns to line feed characters. UART messages print properly now. 2024-07-25 13:05:57 -05:00
Jacob Pease
a36e846b02 Changed formatting and added new UART divsor calculation from OpenSBI. 2024-07-25 13:04:27 -05:00
Jacob Pease
336a413f31 Added ability to split boot.memfile into boot.mem and data.mem. 2024-07-25 11:19:15 -05:00
Jacob Pease
d15be492cb Masked lower byte when writing to DLL. 2024-07-24 22:44:27 -05:00
Jacob Pease
286d80de7e Initialized UART with Arty frequency and baud rate. Will make this dynamic in the future 2024-07-24 22:43:47 -05:00
Jacob Pease
0107a400d1 Added uart header to gpt.c. 2024-07-24 22:43:16 -05:00
Jacob Pease
dcb2edf888 Fixed syntax bugs. inline functions are now static and in the spi.h header. 2024-07-23 17:00:32 -05:00
Jacob Pease
5f0addd69a Initial pass on SPI based bootloader code finished. 2024-07-23 16:33:49 -05:00
Jacob Pease
a8b9e7776b Added some minor error checking to gpt.c. 2024-07-23 16:32:52 -05:00
Jacob Pease
ab00ea5a5c Added sd_read64 to help with block reads and crc checking. 2024-07-23 16:32:29 -05:00
Jacob Pease
57eeba5c8c Progress made on implementing new disk read function. 2024-07-23 15:47:23 -05:00
Jacob Pease
9ccb0eb027 Removed references to card_type. 2024-07-23 15:46:18 -05:00
Jacob Pease
bf65cd2817 Added uart print functions and the Wally banner. SD card can now be initialized. Removed old code from boot.c 2024-07-23 14:18:42 -05:00
Jacob Pease
b05052311f Added sd_cmd and utility SPI functions. 2024-07-22 16:57:04 -05:00
Jacob Pease
e91d2c8b14 Corrected the CRC7 code with the right sequence of instructions. 2024-07-22 01:19:10 -05:00
Jacob Pease
c7d869bc96 Added inital spi based sd card code. Working on CRC7 code that works. 2024-07-20 14:00:43 -05:00
Jacob Pease
53b2a51c89 Added tentative spi_send_byte function. 2024-07-19 12:30:32 -05:00
Jacob Pease
34e89e842c Added initial spi code to fpga/zsbl 2024-07-19 11:35:12 -05:00
Jacob Pease
7a417d7a6c Added true bootloader to fpga/zsbl directory. 2024-05-31 15:28:25 -05:00
Rose Thompson
6097444b5a Added missing file for compiling the fpga zero stage bootloader. 2024-04-11 10:30:56 -05:00
Rose Thompson
60f96112db Moved the zero stage boot loader to the fpga directory. 2024-03-01 10:23:55 -06:00