Commit History

Author SHA1 Message Date
  H. Peter Anvin df521ce35f abcbus: fix missing clock to ABC-bus synchronizer 3 years ago
  H. Peter Anvin 09d392bd4c fw: use -malign-data=natural 3 years ago
  H. Peter Anvin d6d6390bca Clean up _start() -- the one in libc doesn't zero bss correctly 3 years ago
  H. Peter Anvin 6b1989fac8 fw: allow gcc to optimize memset, memcpy, and memmove 3 years ago
  H. Peter Anvin d37791d8a7 fw: faster memset() 3 years ago
  H. Peter Anvin ec99762a84 Use waitirq rather than suspending a memory transaction for SD card 3 years ago
  H. Peter Anvin affd869f20 Add to waitirq and "andmask" and an "ormask". 3 years ago
  H. Peter Anvin 8f74766933 rtc: print the decoded RTC time to the console and update systime 3 years ago
  H. Peter Anvin 56753cd6a3 abcbus: move abcbus to separate module; add I/O status register 3 years ago
  H. Peter Anvin 69476ffdf6 Add I/O interface to the ABC bus, using SDRAM DMA 3 years ago
  H. Peter Anvin ef652637f0 fw: drop RTC I2C frequency to 100 kHz 3 years ago
  H. Peter Anvin f6f9bf7ede Add i2c unit 3 years ago
  H. Peter Anvin 55b0aeee3f iodev: move one-register "devices" into a common "sys"; add "abc" device 3 years ago
  H. Peter Anvin e1878a396f Detect the presence of an ABC-bus by looking for a clock signal 3 years ago
  H. Peter Anvin 8368aa9534 fpga: parameterize the rtc_32khz workaround 3 years ago
  H. Peter Anvin 2ee2c77bd7 sdram: fix initialization sequence again 3 years ago
  H. Peter Anvin b5e39487bd max80: change esp_ctr debug signal to 4 Hz 3 years ago
  H. Peter Anvin c40501f76e SDRAM access from the ABC-bus 3 years ago
  H. Peter Anvin 03fae78888 hack: binary counter on ESP pins to test connectivity 3 years ago
  H. Peter Anvin 3608e21183 Add extended devices (xdevs) that require > 128 bytes 3 years ago
  H. Peter Anvin f3992b85ad sdcard: run in slow mode (400 kHz during initialization) 3 years ago
  H. Peter Anvin 4cc5301813 sdcard: generalize the IP, instantiate for ESP32 SPI channel too 3 years ago
  H. Peter Anvin 518503fa99 iodev: centralize definitions and auto-generate boiler plate code 3 years ago
  H. Peter Anvin 74ebfc9b60 fw: allow optimization if IRQ_VECTORS < 32 3 years ago
  H. Peter Anvin bc09800c11 fw: make sure to clear the timer IRQ counter on init... 3 years ago
  H. Peter Anvin 9535001a01 fw: force instructions in irqasm.S to be aligned 3 years ago
  H. Peter Anvin d3cac913de fw: prevent invalid linker relaxation in irqasm.S 3 years ago
  H. Peter Anvin 555a856ff4 fw: move .sdata/.sbss into the zero page 3 years ago
  H. Peter Anvin 211ec5e0c8 fw: set gp for the IRQ bank too 3 years ago
  H. Peter Anvin 2efc87efde Add irqasm.S... still no interrupts, but no crashes either... 3 years ago