diff options
| -rw-r--r-- | firmware/zpu/apps/blinkenlights.c | 28 | ||||
| -rw-r--r-- | firmware/zpu/apps/flash_test.c | 67 | ||||
| -rw-r--r-- | firmware/zpu/apps/hardware_testbed.c | 47 | ||||
| -rw-r--r-- | firmware/zpu/apps/txrx_uhd.c | 21 | ||||
| -rw-r--r-- | firmware/zpu/apps/uart_flash_loader.c | 169 | ||||
| -rw-r--r-- | firmware/zpu/usrp2/CMakeLists.txt | 3 | ||||
| -rw-r--r-- | firmware/zpu/usrp2p/CMakeLists.txt | 7 | ||||
| -rw-r--r-- | firmware/zpu/usrp2p/bootloader/CMakeLists.txt | 10 | ||||
| -rw-r--r-- | firmware/zpu/usrp2p/bootloader/fpga_bootloader.c | 202 | ||||
| -rw-r--r-- | firmware/zpu/usrp2p/bootloader/fw_bootloader.c | 50 | ||||
| -rw-r--r-- | firmware/zpu/usrp2p/bootloader/icap_test.c | 31 | ||||
| -rw-r--r-- | firmware/zpu/usrp2p/bootloader/serial_loader_burner.c | 49 | ||||
| -rw-r--r-- | firmware/zpu/usrp2p/bootloader_utils.c | 53 | ||||
| -rw-r--r-- | firmware/zpu/usrp2p/bootloader_utils.h | 1 |
14 files changed, 74 insertions, 664 deletions
diff --git a/firmware/zpu/apps/blinkenlights.c b/firmware/zpu/apps/blinkenlights.c deleted file mode 100644 index 30cb33a7f..000000000 --- a/firmware/zpu/apps/blinkenlights.c +++ /dev/null @@ -1,28 +0,0 @@ -/* -*- 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; - - output_regs->led_src = 0; - - while(1) { - //delay(5000000); - for(c=0;c<50000;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/zpu/apps/flash_test.c b/firmware/zpu/apps/flash_test.c deleted file mode 100644 index 5b4569030..000000000 --- a/firmware/zpu/apps/flash_test.c +++ /dev/null @@ -1,67 +0,0 @@ -/* -*- 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/zpu/apps/hardware_testbed.c b/firmware/zpu/apps/hardware_testbed.c deleted file mode 100644 index e68e68ff7..000000000 --- a/firmware/zpu/apps/hardware_testbed.c +++ /dev/null @@ -1,47 +0,0 @@ -/* -*- 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/zpu/apps/txrx_uhd.c b/firmware/zpu/apps/txrx_uhd.c index 8c27618e9..7a99303bf 100644 --- a/firmware/zpu/apps/txrx_uhd.c +++ b/firmware/zpu/apps/txrx_uhd.c @@ -39,8 +39,8 @@ #include <string.h> #include <stdbool.h> -#ifdef USRP2P -#include "u2p_init.h" +#ifdef BOOTLOADER +#include <bootloader_utils.h> #endif extern uint16_t dsp0_dst_port, err0_dst_port, dsp1_dst_port; @@ -265,7 +265,6 @@ static void handle_inp_packet(uint32_t *buff, size_t num_lines){ handle_eth_packet(buff, num_lines); } - //------------------------------------------------------------------ /* @@ -288,15 +287,23 @@ int main(void) { u2_init(); -#ifdef USRP2P - u2p_init(); -#endif - +#ifdef BOOTLOADER + spif_init(); + set_default_mac_addr(); + set_default_ip_addr(); + putstr("\nUSRP N210 UDP bootloader\n"); +#else putstr("\nTxRx-UHD-ZPU\n"); +#endif print_mac_addr(ethernet_mac_addr()); newline(); print_ip_addr(get_ip_addr()); newline(); printf("FPGA compatibility number: %d\n", USRP2_FPGA_COMPAT_NUM); printf("Firmware compatibility number: %d\n", USRP2_FW_COMPAT_NUM); + +#ifdef BOOTLOADER + //load the production FPGA image or firmware if appropriate + do_the_bootload_thing(); +#endif //1) register the addresses into the network stack register_addrs(ethernet_mac_addr(), get_ip_addr()); diff --git a/firmware/zpu/apps/uart_flash_loader.c b/firmware/zpu/apps/uart_flash_loader.c deleted file mode 100644 index 4ec89284a..000000000 --- a/firmware/zpu/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; -} diff --git a/firmware/zpu/usrp2/CMakeLists.txt b/firmware/zpu/usrp2/CMakeLists.txt index 75acae750..190ea9af1 100644 --- a/firmware/zpu/usrp2/CMakeLists.txt +++ b/firmware/zpu/usrp2/CMakeLists.txt @@ -34,6 +34,3 @@ ADD_EXECUTABLE(usrp2_txrx_uhd.elf ${CMAKE_SOURCE_DIR}/apps/txrx_uhd.c) TARGET_LINK_LIBRARIES(usrp2_txrx_uhd.elf libusrp2fw) GEN_OUTPUTS(usrp2_txrx_uhd.elf) -ADD_EXECUTABLE(usrp2_blinkenlights.elf ${CMAKE_SOURCE_DIR}/apps/blinkenlights.c) -TARGET_LINK_LIBRARIES(usrp2_blinkenlights.elf libusrp2fw) -GEN_OUTPUTS(usrp2_blinkenlights.elf) diff --git a/firmware/zpu/usrp2p/CMakeLists.txt b/firmware/zpu/usrp2p/CMakeLists.txt index c7ab9abdb..976dccb9a 100644 --- a/firmware/zpu/usrp2p/CMakeLists.txt +++ b/firmware/zpu/usrp2p/CMakeLists.txt @@ -42,10 +42,3 @@ ADD_EXECUTABLE(usrp2p_txrx_uhd.elf ${CMAKE_SOURCE_DIR}/apps/txrx_uhd.c) TARGET_LINK_LIBRARIES(usrp2p_txrx_uhd.elf libusrp2pfw) GEN_OUTPUTS(usrp2p_txrx_uhd.elf) -ADD_EXECUTABLE(usrp2p_blinkenlights.elf ${CMAKE_SOURCE_DIR}/apps/blinkenlights.c) -TARGET_LINK_LIBRARIES(usrp2p_blinkenlights.elf libusrp2pfw) -GEN_OUTPUTS(usrp2p_blinkenlights.elf) - -ADD_EXECUTABLE(usrp2p_uart_flash_loader.elf ${CMAKE_SOURCE_DIR}/apps/uart_flash_loader.c) -TARGET_LINK_LIBRARIES(usrp2p_uart_flash_loader.elf libusrp2pfw) -GEN_OUTPUTS(usrp2p_uart_flash_loader.elf) diff --git a/firmware/zpu/usrp2p/bootloader/CMakeLists.txt b/firmware/zpu/usrp2p/bootloader/CMakeLists.txt index 51e06ff54..07f234302 100644 --- a/firmware/zpu/usrp2p/bootloader/CMakeLists.txt +++ b/firmware/zpu/usrp2p/bootloader/CMakeLists.txt @@ -33,8 +33,10 @@ MACRO(GEN_RMI target) ENDMACRO(GEN_RMI) ######################################################################## -ADD_EXECUTABLE(udp_bootloader.elf udp_bootloader.c) -TARGET_LINK_LIBRARIES(udp_bootloader.elf libusrp2pfw) +ADD_EXECUTABLE(bootloader.elf ${CMAKE_SOURCE_DIR}/apps/txrx_uhd.c) +ADD_DEFINITIONS(-DUSRP2P) +ADD_DEFINITIONS(-DBOOTLOADER) +TARGET_LINK_LIBRARIES(bootloader.elf libusrp2pfw) SET(GEN_OUTPUTS_BIN_SIZE 0x3fff) -GEN_OUTPUTS(udp_bootloader.elf) -GEN_RMI(udp_bootloader.bin) +GEN_OUTPUTS(bootloader.elf) +GEN_RMI(bootloader.bin) diff --git a/firmware/zpu/usrp2p/bootloader/fpga_bootloader.c b/firmware/zpu/usrp2p/bootloader/fpga_bootloader.c deleted file mode 100644 index f5a71a8bb..000000000 --- a/firmware/zpu/usrp2p/bootloader/fpga_bootloader.c +++ /dev/null @@ -1,202 +0,0 @@ -/* -*- c -*- */ -/* - * Copyright 2009-2011 Ettus Research LLC - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -/* - * This code is bootloader f/w for the slot 0 fpga image. It's job is - * to figure out which fpga image should be loaded, and then to load - * that image from the SPI flash. (FIXME handle retries, errors, - * etc.) - * - * If the center button is down during boot, it loads firwmare - * from 0:0 instead of its normal action. - */ - -#include <stdlib.h> -#include <hal_io.h> -#include <nonstdio.h> -#include <mdelay.h> -#include <quadradio/flashdir.h> -#include <xilinx_v5_icap.h> -#include <bootconfig.h> -#include <bootconfig_private.h> -#include <spi_flash.h> -#include <string.h> -#include <bootloader_utils.h> -#include <hal_interrupts.h> - -#define VERBOSE 1 - -#define OUR_FPGA_IMAGE_NUMBER 0 // this code only runs in slot 0 - -void hal_uart_init(void); -void spif_init(void); -void i2c_init(void); -void bootconfig_init(void); - -void pic_interrupt_handler() __attribute__ ((interrupt_handler)); - -void pic_interrupt_handler() -{ - // nop stub -} - -static int -flash_addr_of_fpga_slot(unsigned int fpga_slot) -{ - const struct flashdir *fd = get_flashdir(); - return fd->slot[fpga_slot + fd->fpga_slot0].start << spi_flash_log2_sector_size(); -} - - -/* - * If the first 256 bytes of the image contain the string of bytes, - * ff ff ff ff aa 99 55 66, we consider it a likely bitstream. - */ -static bool -looks_like_a_bitstream(unsigned int fpga_slot) -{ - unsigned char buf[256]; - static const unsigned char pattern[] = { - 0xff, 0xff, 0xff, 0xff, 0xaa, 0x99, 0x55, 0x66 - }; - - // Read the first 256 bytes of the bitstream - spi_flash_read(flash_addr_of_fpga_slot(fpga_slot), sizeof(buf), buf); - - for (int i = 0; i <= sizeof(buf) - sizeof(pattern); i++) - if (memcmp(pattern, &buf[i], sizeof(pattern)) == 0) - return true; - - return false; -} - -static bool -plausible_bootconfig(bootconfig_t bc) -{ - // Are the fields in range? - if (!validate_bootconfig(bc)) - return false; - - if (!looks_like_a_bitstream(map_fpga_image_number_to_fpga_slot(bc.fpga_image_number))) - return false; - - return true; -} - -// Attempt to boot the fpga image specified in next_boot -static void -initial_boot_attempt(eeprom_boot_info_t *ee) -{ - if (ee->next_boot.fpga_image_number == OUR_FPGA_IMAGE_NUMBER){ - load_firmware(); - return; - } - - ee->nattempts = 1; - _bc_write_eeprom_shadow(); - - unsigned int target_slot = - map_fpga_image_number_to_fpga_slot(ee->next_boot.fpga_image_number); - int flash_addr = flash_addr_of_fpga_slot(target_slot); - - putstr("fpga_bootloader: chaining to "); - puthex4(ee->next_boot.fpga_image_number); - putchar(':'); - puthex4(ee->next_boot.firmware_image_number); - newline(); - mdelay(100); - - while (1){ - icap_reload_fpga(flash_addr); - } -} - -int -main(int argc, char **argv) -{ - hal_disable_ints(); // In case we got here via jmp 0x0 - hal_uart_init(); - i2c_init(); - bootconfig_init(); // Must come after i2c_init. - spif_init(); // Needed for get_flashdir. - - sr_leds->leds = 0xAAAA; - - putstr("\n\n>>> fpga_bootloader <<<\n"); - - putstr("\nBOOTSTS "); - int bootsts = icap_read_config_reg(rBOOTSTS); - puthex32_nl(bootsts); - putstr("STAT "); - int stat = icap_read_config_reg(rSTAT); - puthex32_nl(stat); - - bool fallback = - ((bootsts & (BOOTSTS_VALID_0 | BOOTSTS_FALLBACK_0)) - == (BOOTSTS_VALID_0 | BOOTSTS_FALLBACK_0)); - - if (fallback){ - puts("FALLBACK_0 is set"); - // FIXME handle fallback condition. - } - - const struct flashdir *fd = get_flashdir(); - if (fd == 0) - abort(); - - eeprom_boot_info_t *ee = _bc_get_eeprom_shadow(); - - if (VERBOSE){ - putstr("nattempts: "); - puthex8_nl(ee->nattempts); - } - - mdelay(500); // wait for low-pass on switches - putstr("switches: "); puthex32_nl(readback->switches); - - bool center_btn_down = (readback->switches & BTN_CENTER) != 0; - if (center_btn_down){ - putstr("Center button is down!\n"); - // Force boot of image 0:0 - ee->next_boot = make_bootconfig(0, 0); - } - - // if next_boot is valid, try it - if (plausible_bootconfig(ee->next_boot)) - initial_boot_attempt(ee); // no return - - // if default_boot is valid, try it - if (plausible_bootconfig(ee->default_boot)){ - ee->next_boot = ee->default_boot; - initial_boot_attempt(ee); // no return - } - - // If we're here, we're in trouble. Try all of them... - for (int i = 0; i < 4; i++){ - bootconfig_t bc = make_bootconfig(i, 0); - if (plausible_bootconfig(bc)){ - ee->next_boot = bc; - initial_boot_attempt(ee); // no return - } - } - - // FIXME, try to find something we can load - puts("\n!!! Failed to find a valid FPGA bitstream!\n\n"); - - return 0; -} diff --git a/firmware/zpu/usrp2p/bootloader/fw_bootloader.c b/firmware/zpu/usrp2p/bootloader/fw_bootloader.c deleted file mode 100644 index de561cf22..000000000 --- a/firmware/zpu/usrp2p/bootloader/fw_bootloader.c +++ /dev/null @@ -1,50 +0,0 @@ -/* -*- c -*- */ -/* - * Copyright 2009-2011 Ettus Research LLC - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#include <memory_map.h> -#include <nonstdio.h> -#include <stdlib.h> -#include <bootconfig.h> -#include <bootconfig_private.h> -#include <bootloader_utils.h> -#include <hal_interrupts.h> - - -void hal_uart_init(void); -void spif_init(void); -void i2c_init(void); -void bootconfig_init(void); - -void pic_interrupt_handler() __attribute__ ((interrupt_handler)); - -void pic_interrupt_handler() -{ - // nop stub -} - -int -main(int argc, char **argv) -{ - hal_disable_ints(); // In case we got here via jmp 0x0 - hal_uart_init(); - i2c_init(); - bootconfig_init(); // Must come after i2c_init. - spif_init(); // Needed for get_flashdir. - - load_firmware(); -} diff --git a/firmware/zpu/usrp2p/bootloader/icap_test.c b/firmware/zpu/usrp2p/bootloader/icap_test.c deleted file mode 100644 index 5feb9d014..000000000 --- a/firmware/zpu/usrp2p/bootloader/icap_test.c +++ /dev/null @@ -1,31 +0,0 @@ -/* -*- c++ -*- */ -/* - * Copyright 2010 Ettus Research LLC - * - */ - -#include <memory_map.h> -#include <hal_io.h> -#include <xilinx_s3_icap.h> -#include <nonstdio.h> - -void delay(uint32_t t) { - while(t-- != 0) asm("NOP"); -} - - -int main(int argc, char *argv[]) { - pic_init(); - hal_uart_init(); - puts("\nStarting delay...\n"); - - output_regs->leds = 0xFF; - delay(4000000); - output_regs->leds = 0x00; - delay(4000000); - - puts("Rebooting FPGA to 0x00000000\n"); - icap_reload_fpga((uint32_t)0x00000000); - - return 0; -} diff --git a/firmware/zpu/usrp2p/bootloader/serial_loader_burner.c b/firmware/zpu/usrp2p/bootloader/serial_loader_burner.c deleted file mode 100644 index 6d5d135ab..000000000 --- a/firmware/zpu/usrp2p/bootloader/serial_loader_burner.c +++ /dev/null @@ -1,49 +0,0 @@ -/* -*- c++ -*- */ -/* - * Copyright 2009-2011 Ettus Research LLC - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#include <hal_io.h> -#include <nonstdio.h> -#include <mdelay.h> -#include <gdbstub2.h> - -void hal_uart_init(void); -void spif_init(void); - -void pic_interrupt_handler() __attribute__ ((interrupt_handler)); - -void pic_interrupt_handler() -{ - // nop stub -} - -int -main(int argc, char **argv) -{ - hal_uart_init(); - spif_init(); - - sr_leds->leds = 0; - mdelay(100); - sr_leds->leds = ~0; - mdelay(100); - sr_leds->leds = 0; - - puts("\n\n>>> stage1: serial_loader_burner <<<"); - - gdbstub2_main_loop(); -} diff --git a/firmware/zpu/usrp2p/bootloader_utils.c b/firmware/zpu/usrp2p/bootloader_utils.c index 371c518a7..15e21f054 100644 --- a/firmware/zpu/usrp2p/bootloader_utils.c +++ b/firmware/zpu/usrp2p/bootloader_utils.c @@ -10,8 +10,13 @@ #include <string.h> #include <bootloader_utils.h> #include <spi_flash.h> +#include <i2c.h> #include <memory_map.h> #include <nonstdio.h> +#include <xilinx_s3_icap.h> +#include <mdelay.h> + +#define BUTTON_PUSHED ((router_status->irqs & PIC_BUTTON) ? 0 : 1) int is_valid_fpga_image(uint32_t addr) { // printf("is_valid_fpga_image(): starting with addr=%x...\n", addr); @@ -46,3 +51,51 @@ void start_program(void) //all this does is tap that register *((volatile uint32_t *) SR_ADDR_BLDRDONE) = 1; } + +void do_the_bootload_thing(void) { + bool production_image = find_safe_booted_flag(); + set_safe_booted_flag(0); //haven't booted yet + + if(BUTTON_PUSHED) { //see memory_map.h + puts("Starting USRP2+ in safe mode. Loading safe firmware."); + return; + } + + if(!production_image) { + puts("Checking for valid production FPGA image..."); + if(is_valid_fpga_image(PROD_FPGA_IMAGE_LOCATION_ADDR)) { + puts("Valid production FPGA image found. Attempting to boot."); + set_safe_booted_flag(1); + mdelay(300); //so serial output can finish + icap_reload_fpga(PROD_FPGA_IMAGE_LOCATION_ADDR); + } + puts("No valid production FPGA image found.\nFalling through to built-in firmware."); + return; + } + if(is_valid_fw_image(PROD_FW_IMAGE_LOCATION_ADDR)) { + puts("Valid production firmware found. Loading..."); + spi_flash_read(PROD_FW_IMAGE_LOCATION_ADDR, FW_IMAGE_SIZE_BYTES, (void *)RAM_BASE); + puts("Finished loading. Starting image."); + mdelay(300); + start_program(); + puts("ERROR: Return from main program! This should never happen!"); + //if this happens, though, the safest thing to do is reboot the whole FPGA and start over. + mdelay(300); + icap_reload_fpga(SAFE_FPGA_IMAGE_LOCATION_ADDR); + return; + } + puts("No valid production firmware found. Falling through to built-in firmware."); + /* + if(is_valid_fw_image(SAFE_FW_IMAGE_LOCATION_ADDR)) { + spi_flash_read(SAFE_FW_IMAGE_LOCATION_ADDR, FW_IMAGE_SIZE_BYTES, (void *)RAM_BASE); + puts("Finished loading. Starting image."); + mdelay(300); + start_program(); + puts("ERROR: return from main program! This should never happen!"); + mdelay(300); + icap_reload_fpga(SAFE_FPGA_IMAGE_LOCATION_ADDR); + return; + } + puts("ERROR: no safe firmware image available. Falling through to built-in firmware."); + */ +} diff --git a/firmware/zpu/usrp2p/bootloader_utils.h b/firmware/zpu/usrp2p/bootloader_utils.h index 0f49ae6cd..d70299b88 100644 --- a/firmware/zpu/usrp2p/bootloader_utils.h +++ b/firmware/zpu/usrp2p/bootloader_utils.h @@ -20,3 +20,4 @@ int is_valid_fpga_image(uint32_t addr); int is_valid_fw_image(uint32_t addr); void start_program(void); +void do_the_bootload_thing(void); |