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bios: add fw (flash write) command

This commit is contained in:
Mateusz Holenko 2019-06-25 11:59:22 +02:00
parent 5cc4c334d6
commit 2ee194b259
1 changed files with 40 additions and 0 deletions
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40
litex/soc/software/bios/main.c
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@ -31,6 +31,10 @@
#include <net/microudp.h>
#endif
#ifdef FLASH_BOOT_ADDRESS
#include <spiflash.h>
#endif
#include "sdram.h"
#include "boot.h"
@ -136,6 +140,40 @@ static void mw(char *addr, char *value, char *count)
for (i=0;i<count2;i++) *addr2++ = value2;
}
static void fw(char *addr, char *value, char *count)
{
char *c;
unsigned int addr2;
unsigned int value2;
unsigned int count2;
unsigned int i;
if((*addr == 0) || (*value == 0)) {
printf("fw <offset> <value> [count]\n");
return;
}
addr2 = strtoul(addr, &c, 0);
if(*c != 0) {
printf("incorrect offset\n");
return;
}
value2 = strtoul(value, &c, 0);
if(*c != 0) {
printf("incorrect value\n");
return;
}
if(*count == 0) {
count2 = 1;
} else {
count2 = strtoul(count, &c, 0);
if(*c != 0) {
printf("incorrect count\n");
return;
}
}
for (i=0;i<count2;i++) write_to_flash(addr2, (unsigned char *)&value2, 4);
}
static void mc(char *dstaddr, char *srcaddr, char *count)
{
char *c;
@ -222,6 +260,7 @@ static void help(void)
#endif
puts("serialboot - boot via SFL");
#ifdef FLASH_BOOT_ADDRESS
puts("fw - write to flash");
puts("flashboot - boot from flash");
#endif
#ifdef ROM_BOOT_ADDRESS
@ -275,6 +314,7 @@ static void do_command(char *c)
else if(strcmp(token, "reboot") == 0) reboot();
#endif
#ifdef FLASH_BOOT_ADDRESS
else if(strcmp(token, "fw") == 0) fw(get_token(&c), get_token(&c), get_token(&c));
else if(strcmp(token, "flashboot") == 0) flashboot();
#endif
#ifdef ROM_BOOT_ADDRESS