diff options
Diffstat (limited to 'firmware/microblaze/apps')
| -rw-r--r-- | firmware/microblaze/apps/blinkenlights.c | 26 | ||||
| -rw-r--r-- | firmware/microblaze/apps/flash_test.c | 67 | ||||
| -rw-r--r-- | firmware/microblaze/apps/hardware_testbed.c | 47 | ||||
| -rw-r--r-- | firmware/microblaze/apps/txrx_uhd.c | 24 | ||||
| -rw-r--r-- | firmware/microblaze/apps/uart_flash_loader.c | 169 |
5 files changed, 333 insertions, 0 deletions
diff --git a/firmware/microblaze/apps/blinkenlights.c b/firmware/microblaze/apps/blinkenlights.c new file mode 100644 index 000000000..4cebe5c9d --- /dev/null +++ b/firmware/microblaze/apps/blinkenlights.c @@ -0,0 +1,26 @@ +/* -*- c++ -*- */ +/* + * Copyright 2010 Ettus Research LLC + * + */ + +#include "memory_map.h" +#include <nonstdio.h> + +int main(int argc, char *argv[]) { + + uint32_t c = 0; + uint8_t i = 0; + + while(1) { + //delay(5000000); + for(c=0;c<5000000;c++) asm("NOP"); + output_regs->leds = (i++ % 2) ? 0xFF : 0x00; //blink everything on that register + } + + return 0; +} + +//void delay(uint32_t t) { +// while(t-- != 0) asm("NOP"); +//} diff --git a/firmware/microblaze/apps/flash_test.c b/firmware/microblaze/apps/flash_test.c new file mode 100644 index 000000000..5b4569030 --- /dev/null +++ b/firmware/microblaze/apps/flash_test.c @@ -0,0 +1,67 @@ +/* -*- c++ -*- */ +/* + * Copyright 2010 Ettus Research LLC + * + */ + +#include <memory_map.h> +#include <hal_io.h> +#include <hal_uart.h> +#include <xilinx_s3_icap.h> +#include <nonstdio.h> +#include <spi_flash.h> +#include <spi.h> +#include <clocks.h> +#include <string.h> + +//just a test to write to SPI flash and retrieve the same values. +//uses the MOBFLEET SPI flash library + +void delay(uint32_t t) { + while(t-- != 0) asm("NOP"); +} + +int main(int argc, char *argv[]) { + uint16_t i, t; + uint8_t buf[260]; + const uint8_t testdata[] = {0xDE, 0xAD, 0xBE, 0xEF, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C}; + + hal_disable_ints(); // In case we got here via jmp 0x0 +// spi_init(); + hal_uart_init(); +// clocks_init(); //set up AD9510, enable FPGA clock @ 1x divisor + + puts("SPI Flash test\n"); + puts("Initializing SPI\n"); + + spif_init(); + delay(800000); + puts("Erasing sector 1\n"); + spi_flash_erase(0x00010000, 256); + delay(800000); + puts("Reading back data\n"); + spi_flash_read(0x00010000, 256, buf); + delay(800000); + + t=1; + for(i=4; i<250; i++) { + if(buf[i] != 0xFF) t=0; + } + + if(!t) puts("Data was not initialized to 0xFF. Unsuccessful erase or read\n"); + else puts("Data initialized to 0xFF, erase confirmed\n"); + + puts("Writing test buffer\n"); + spi_flash_program(0x00010000, 16, testdata); + //memset(buf, 0, 256); + + delay(800000); + puts("Wrote data, reading back\n"); + + spi_flash_read(0x00010000, 16, buf); + + if(memcmp(testdata, buf, 16)) puts("Data is not the same between read and write. Unsuccessful write or read\n"); + else puts("Successful write! Flash write correct\n"); + + return 0; +} diff --git a/firmware/microblaze/apps/hardware_testbed.c b/firmware/microblaze/apps/hardware_testbed.c new file mode 100644 index 000000000..e68e68ff7 --- /dev/null +++ b/firmware/microblaze/apps/hardware_testbed.c @@ -0,0 +1,47 @@ +/* -*- c++ -*- */ +/* + * Copyright 2010 Ettus Research LLC + * + */ + +#include <memory_map.h> +#include <nonstdio.h> +#include <hal_io.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> +#include <string.h> +#include <hal_uart.h> +#include <spi.h> + +//so this is just an evolving file used to set up and test different bits of hardware (EEPROM, clock chip, A/D, D/A, PHY) +void delay(uint32_t t) { + while(t-- != 0) asm("NOP"); +} + +int main(int argc, char *argv[]) { + + hal_disable_ints(); + hal_uart_init(); + spi_init(); + + puts("Hardware testbed. Init clocks..."); + + clocks_init(); + + //now, hopefully, we should be running at 100MHz instead of 50MHz, meaning our UART is twice as fast and we're talking at 230400. + + while(1) { + delay(500000); + puts("Eat at Joe's."); + } + + + + + + return 0; +} diff --git a/firmware/microblaze/apps/txrx_uhd.c b/firmware/microblaze/apps/txrx_uhd.c index 1dd6e80ac..44be2cc9c 100644 --- a/firmware/microblaze/apps/txrx_uhd.c +++ b/firmware/microblaze/apps/txrx_uhd.c @@ -45,6 +45,7 @@ #include <i2c.h> #include <ethertype.h> #include <arp_cache.h> +#include "udp_fw_update.h" /* * Full duplex Tx and Rx between ethernet and DSP pipelines @@ -346,6 +347,28 @@ void handle_udp_ctrl_packet( send_udp_pkt(USRP2_UDP_CTRL_PORT, src, &ctrl_data_out, sizeof(ctrl_data_out)); break; + case USRP2_CTRL_ID_SO_LIKE_CAN_YOU_READ_THIS_UART_BRO:{ + //executes a readline()-style read, up to num_bytes long, up to and including newline + int num_bytes = ctrl_data_in->data.uart_args.bytes; + if(num_bytes > 20) num_bytes = 20; + num_bytes = fngets_timeout(ctrl_data_in->data.uart_args.dev, (char *) ctrl_data_out.data.uart_args.data, num_bytes); + ctrl_data_out.id = USRP2_CTRL_ID_I_HELLA_READ_THAT_UART_DUDE; + ctrl_data_out.data.uart_args.bytes = num_bytes; + break; + } + + case USRP2_CTRL_ID_HEY_WRITE_THIS_UART_FOR_ME_BRO:{ + int num_bytes = ctrl_data_in->data.uart_args.bytes; + if(num_bytes > 20) num_bytes = 20; + //before we write to the UART, we flush the receive buffer + //this assumes that we're interested in the reply + hal_uart_rx_flush(ctrl_data_in->data.uart_args.dev); + fnputstr(ctrl_data_in->data.uart_args.dev, (char *) ctrl_data_in->data.uart_args.data, num_bytes); + ctrl_data_out.id = USRP2_CTRL_ID_MAN_I_TOTALLY_WROTE_THAT_UART_DUDE; + ctrl_data_out.data.uart_args.bytes = num_bytes; + break; + } + default: ctrl_data_out.id = USRP2_CTRL_ID_HUH_WHAT; send_udp_pkt(USRP2_UDP_CTRL_PORT, src, &ctrl_data_out, sizeof(ctrl_data_out)); @@ -487,6 +510,7 @@ main(void) register_udp_listener(USRP2_UDP_CTRL_PORT, handle_udp_ctrl_packet); register_udp_listener(USRP2_UDP_DATA_PORT, handle_udp_data_packet); + register_udp_listener(USRP2_UDP_UPDATE_PORT, handle_udp_fw_update_packet); // initialize double buffering state machine for ethernet -> DSP Tx diff --git a/firmware/microblaze/apps/uart_flash_loader.c b/firmware/microblaze/apps/uart_flash_loader.c new file mode 100644 index 000000000..d67b84677 --- /dev/null +++ b/firmware/microblaze/apps/uart_flash_loader.c @@ -0,0 +1,169 @@ +/* -*- 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; +} |