kopia lustrzana https://github.com/pa3gsb/Radioberry-2.x
fpga loader utility for pi5
pa3gsb
rodzic
64c4cf1a13
commit
517ae1811e
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@ -3,5 +3,3 @@ RadioBerry V2.0 - Ham radio cape for Raspberry PI
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RadioBerry is working together with different Single Board Computers (SBC).
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New development is foccusing on the rpi-4.
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@ -0,0 +1,44 @@
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ifneq ($V,1)
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Q ?= @
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endif
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#DEBUG = -g -O0
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DEBUG = -O3
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CC = gcc
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INCLUDE = -I/usr/local/include
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CFLAGS = $(DEBUG) -Wall $(INCLUDE) -Winline -pipe
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LDFLAGS = -L/usr/local/lib
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LDLIBS = -lpthread -lm
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SRC = loadFPGA.c
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OBJ = $(SRC:.c=.o)
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BINS = $(SRC:.c=)
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all:
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$Q cat README.TXT
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$Q echo " $(BINS)" | fmt
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$Q echo ""
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really-all: $(BINS)
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loadFPGA: loadFPGA.o
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$Q echo [link]
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$Q $(CC) -o $@ loadFPGA.o $(LDFLAGS) $(LDLIBS)
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.c.o:
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$Q echo [CC] $<
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$Q $(CC) -c $(CFLAGS) $< -o $@
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clean:
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$Q echo "[Clean]"
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$Q rm -f $(OBJ) *~ core tags $(BINS)
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tags: $(SRC)
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$Q echo [ctags]
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$Q ctags $(SRC)
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depend:
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makedepend -Y $(SRC)
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@ -0,0 +1,8 @@
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Gatewareloader.
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- make loadFPGA
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- copy your radioberry.rbf into the folder
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- sudo ./loadFPGA
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@ -0,0 +1,247 @@
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#include <stdlib.h>
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#include <stdio.h>
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#include <pigpio.h>
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#include <time.h>
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#include <string.h>
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#include <errno.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <stdint.h>
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#include <sys/mman.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include "loadFPGA.h"
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#define iPinCONF_DONE 22
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#define iPinNSTATUS 26
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#define oPinNCONFIG 27
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#define oPinDATA 13
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#define oPinDCLK 24
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volatile uint32_t *GPIOBase = NULL ;
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volatile uint32_t *RIOBase = NULL ;
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volatile uint32_t *PADBase = NULL ;
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volatile uint32_t *Pad = NULL ;
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#define GPIO_FUNC_RIO 5
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#define PAD_FUNC_IN 0xc8
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#define PAD_FUNC_OUT 0x10
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typedef struct{
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uint32_t status;
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uint32_t ctrl;
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}GPIOregs;
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#define GPIO ((GPIOregs*)GPIOBase)
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typedef struct
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{
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uint32_t out;
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uint32_t oe;
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uint32_t in;
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uint32_t InSync;
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} rioregs;
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#define rio ((rioregs *)RIOBase)
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#define rioXOR ((rioregs *)(RIOBase + 0x1000 / 4))
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#define rioSET ((rioregs *)(RIOBase + 0x2000 / 4))
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#define rioCLR ((rioregs *)(RIOBase + 0x3000 / 4))
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static void initialize_gpio_for_output(uint32_t pin) {
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GPIO[pin].ctrl=GPIO_FUNC_RIO;
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Pad[pin] = PAD_FUNC_OUT;
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rioSET->oe = 0x01<<pin; // output driver
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}
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static void initialize_gpio_for_input(uint32_t pin) {
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GPIO[pin].ctrl=GPIO_FUNC_RIO;
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Pad[pin] = PAD_FUNC_IN;
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//rioSET->in = 0x01<<pin;
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rioCLR->oe = 0x01<<pin; //high impedance
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}
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static void set_pin(uint32_t pin) {
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rioSET->oe = 0x01<<pin; // output driver
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rioSET->out = 0x01<<pin;
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}
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static void clr_pin(uint32_t pin) {
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rioSET->oe = 0x01<<pin; // output driver
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rioCLR->out = 0x01<<pin;
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}
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static uint32_t read_pin(uint32_t pin) {
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return (rio->in>>pin & 0x01);
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}
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static uint32_t get_pinhigh(uint32_t pin) {
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return (GPIO[pin].status & 0x80000);
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}
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static uint32_t get_pinlow(uint32_t pin) {
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return (GPIO[pin].status & 0x40000);
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}
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int main (int argc, char **argv)
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{
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printf ("\n\n");
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printf ("=======================================================\n") ;
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printf ("=== Raspberry Pi 5 - RadioBerry Gateware Loader ===\n") ;
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printf ("=======================================================\n") ;
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printf ("\n\n");
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int memfd = open("/dev/mem", O_RDWR | O_SYNC);
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uint32_t *map = (uint32_t *)mmap(
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NULL,
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64 * 1024 * 1024,
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(PROT_READ | PROT_WRITE),
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MAP_SHARED,
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memfd,
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0x1f00000000
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);
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if (map == MAP_FAILED)
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{
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printf("mmap failed: %s\n", strerror(errno));
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return (-1);
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};
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close(memfd);
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uint32_t *PERIBase = map;
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GPIOBase = PERIBase + 0xD0000 / 4;
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RIOBase = PERIBase + 0xe0000 / 4;
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PADBase = PERIBase + 0xf0000 / 4;
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Pad = PADBase + 1;
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initialize_gpio_for_input(iPinCONF_DONE);
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initialize_gpio_for_input(iPinNSTATUS);
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initialize_gpio_for_output(oPinNCONFIG);
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initialize_gpio_for_output(oPinDATA);
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initialize_gpio_for_output(oPinDCLK);
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fprintf(stderr, "Init done.\n");
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/* Processing and Programming */
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processFileInput( );
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return 0;
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}
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void processFileInput( )
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{
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int seek_position = 0; /* file pointer position */
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long int file_size = 0; /* programming file size */
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int one_byte = 0; /* the byte to program */
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long int i = 0; /* standard counter variable */
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char filename[30];
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strcpy(filename, "radioberry.rbf");
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printf("%s will be loaded.\n", filename);
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FILE *finputid;
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/* Open programming file as READ and in BINARY */
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finputid = fopen( "radioberry.rbf", "rb" );
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if (finputid == NULL) {
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perror("Error opening file");
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return 1;
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}
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/* Start configuration */
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if (prepareLoading() == -1) return;
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fprintf(stderr, "now gateware loading....\n");
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sleep(1);
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char byte;
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while (fread(&byte, sizeof(char), 1, finputid) == 1) {
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programByte( byte );
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}
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//fprintf(stderr, "nstatus level = %d \n", read_pin(iPinNSTATUS));
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//fprintf(stderr, "conf level = %d \n", read_pin(iPinCONF_DONE));
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sleep(1);
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/* Check if loading succeeded*/
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if (read_pin(iPinNSTATUS) == 0) {
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fprintf( stderr, "Error: programming failed; nstatus is low\n" );
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return;
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} else if (read_pin(iPinCONF_DONE) == 0) {
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fprintf( stderr, "Error: programming failed; conf done is low\n" );
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return;
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}
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set_pin(oPinDCLK);
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usleep(1);
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clr_pin(oPinDCLK);
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usleep(1);
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set_pin(oPinDCLK);
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usleep(1);
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clr_pin(oPinDCLK);
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usleep(1);
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set_pin(oPinDCLK);
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usleep(1);
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clr_pin(oPinDCLK);
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fprintf( stdout, "gateware loaded succeeded\n" );
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if ( finputid ) fclose(finputid);
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}
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void programByte( char one_byte )
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{
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char bit = 0;
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int i = 0;
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/* write from LSb to MSb */
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for ( i = 0; i < 8; i++ )
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{
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bit = one_byte >> i;
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bit = bit & 0x1;
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if (bit) set_pin(oPinDATA); else clr_pin(oPinDATA);
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fprintf(stderr, "");
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set_pin(oPinDCLK);
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clr_pin(oPinDCLK);
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}
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}
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int prepareLoading()
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{
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fprintf( stdout, "Info: prepareLoading\n" );
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//fprintf(stderr, "nstatus level = %d \n", read_pin(iPinNSTATUS));
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//fprintf(stderr, "conf level = %d \n", read_pin(iPinCONF_DONE));
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clr_pin(oPinNCONFIG);
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clr_pin(oPinDATA);
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clr_pin(oPinDCLK);
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sleep(1);
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set_pin(oPinNCONFIG);
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int count = 0;
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while (read_pin(iPinNSTATUS) == 0) {
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count++;
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sleep(10);
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if (count >= 255) {
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fprintf( stderr, "Error: prepareLoading failed\n" );
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return -1;
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}
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}
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//fprintf(stderr, "nstatus level = %d \n", read_pin(iPinNSTATUS));
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//fprintf(stderr, "conf level = %d \n", read_pin(iPinCONF_DONE));
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fprintf( stdout, "Info: prepareLoading done.\n" );
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return 0;
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}
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@ -0,0 +1,3 @@
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void processFileInput ( );
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int prepareLoading ();
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void programByte ( char one_byte );
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