diff options
Diffstat (limited to 'firmware/microblaze/apps/uart_flash_loader.c')
| -rw-r--r-- | firmware/microblaze/apps/uart_flash_loader.c | 169 |
1 files changed, 0 insertions, 169 deletions
diff --git a/firmware/microblaze/apps/uart_flash_loader.c b/firmware/microblaze/apps/uart_flash_loader.c deleted file mode 100644 index d67b84677..000000000 --- a/firmware/microblaze/apps/uart_flash_loader.c +++ /dev/null @@ -1,169 +0,0 @@ -/* -*- c++ -*- */ -/* - * Copyright 2010 Ettus Research LLC - * - */ - -//#include <stdio.h> -#include <stdlib.h> -#include <memory_map.h> -#include <nonstdio.h> -#include <hal_io.h> -#include <hal_uart.h> -#include <xilinx_s3_icap.h> -#include <spi_flash.h> -#include <spi_flash_private.h> -//#include <clocks.h> -#include <ihex.h> -#include <bootloader_utils.h> - -//uses UART to load files to Flash in Intel HEX 16-bit format. -//this is one example of a "safe" firmware image to be loaded by a bootloader into main RAM. -//this CANNOT write to main RAM, since it is resident there. - -//Sector 0-31: Safe FPGA bootloader image -//Sector 32-63: Production bootloader image -//Sector 64: Production firmware image -//Sector 127: Safe firmware image - - -void uart_flash_loader(void) { - - char buf[256]; //input data buffer - uint8_t ihx[32]; //ihex data buffer - uint32_t slot_offset = PROD_FW_IMAGE_LOCATION_ADDR; //initial slot offset to program to. - uint32_t extended_addr = 0x00000000; //extended Intel hex segment address - - size_t sector_size = spi_flash_log2_sector_size(); - ihex_record_t ihex_record; - ihex_record.data = ihx; - int i; - - - //not gonna win a turing prize for my C text parsing - while(1) { - gets(buf); - if(!strncmp(buf, "!SECTORSIZE", 7)) { //return the sector size in log format - putstr("OK "); - puthex8((uint32_t) sector_size); //err, this should probably be decimal for human readability. we do have itoa now... - putstr("\n"); - } - else if(!strncmp(buf, "!SETADDR", 7)) { //set start address for programming - slot_offset = atol(&buf[8]); - puts("OK"); -// puthex32(slot_offset); -// putstr("\n"); - } - else if(!strncmp(buf, "!ERASE", 6)) { //erase a sector - uint32_t sector = atol(&buf[6]); - uint32_t size = 2 << (sector_size-1); - uint32_t addr = sector << sector_size; - - spi_flash_erase(addr, size); //we DO NOT implement write protection here. it is up to the HOST PROGRAM to not issue an ERASE unless it means it. - //unfortunately the Flash cannot write-protect the segments that really matter, so we only use global write-protect - //as a means of avoiding accidental writes from runaway code / garbage on the SPI bus. - puts("OK"); - } -//can't exactly run firmware if you're already executing out of main RAM -/* else if(!strncmp(buf, "!RUNSFW", 7)) { - if(is_valid_fw_image(SAFE_FW_IMAGE_LOCATION_ADDR)) { - puts("OK"); - spi_flash_read(SAFE_FW_IMAGE_LOCATION_ADDR, FW_IMAGE_SIZE_BYTES, (void *)RAM_BASE); - start_program(RAM_BASE); - } else { - puts("NOK"); - } - } - else if(!strncmp(buf, "!RUNPFW", 7)) { - if(is_valid_fw_image(PROD_FW_IMAGE_LOCATION_ADDR)) { - puts("OK"); - spi_flash_read(PROD_FW_IMAGE_LOCATION_ADDR, FW_IMAGE_SIZE_BYTES-1, (void *)RAM_BASE); - start_program(RAM_BASE); - } else { - puts("NOK"); - } - } -*/ - else if(!strncmp(buf, "!RUNPFPGA", 8)) { - if(is_valid_fpga_image(PROD_FPGA_IMAGE_LOCATION_ADDR)) { - puts("OK"); - //icap_reload_fpga(PROD_FPGA_IMAGE_LOCATION_ADDR); - } else { - puts("NOK"); - } - } - else if(!strncmp(buf, "!RUNSFPGA", 8)) { - if(is_valid_fpga_image(SAFE_FPGA_IMAGE_LOCATION_ADDR)) { - puts("OK"); - //icap_reload_fpga(SAFE_FPGA_IMAGE_LOCATION_ADDR); - } else { - puts("NOK"); - } - } - else if(!strncmp(buf, "!READ", 5)) { - uint32_t addr = atol(&buf[5]); - spi_flash_read(addr, 16, ihx); - for(i=0; i < 16; i++) { - puthex8(ihx[i]); - } - putstr("\n"); - } - - else if(!ihex_parse(buf, &ihex_record)) { //last, try to see if the input was a valid IHEX line - switch (ihex_record.type) { - case 0: - spi_flash_program(ihex_record.addr + slot_offset + extended_addr, ihex_record.length, ihex_record.data); - puts("OK"); - break; - case 1: - //here we would expect a CRC checking or something else to take place. for now we do nothing. - //well, we set the extended segment addr back to 0 - extended_addr = 0; - puts("DONE"); - break; - case 4: - //set the upper 16 bits of the address - extended_addr = ((ihex_record.data[0] << 8) + ihex_record.data[1]) << 16; - puts("OK"); - break; - default: - puts("NOK"); - } - } - else puts("NOK"); - } //while(1) -} - -void delay(uint32_t t) { - while(t-- != 0) asm("NOP"); -} - -int main(int argc, char *argv[]) { - uint8_t buf[32]; - int i = 0; - - hal_disable_ints(); // In case we got here via jmp 0x0 - -// delay(10000000); - - //before anything else you might want to blinkenlights just to indicate code startup to the user. - - hal_uart_init(); - spif_init(); -// i2c_init(); //for EEPROM - puts("USRP2+ UART firmware loader"); - -// puts("Debug: loading production image, 10 bytes."); - -// spi_flash_read(PROD_FW_IMAGE_LOCATION_ADDR, 10, buf); -// for(i=0; i < 10; i++) { -// puthex8(buf[i]); -// } - - uart_flash_loader(); - - //shouldn't get here. should reboot. - puts("shit happened.\n"); - - return 0; -} |