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Diffstat (limited to 'firmware/microblaze/usrp2p/bootloader_utils.c')
-rw-r--r--firmware/microblaze/usrp2p/bootloader_utils.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/firmware/microblaze/usrp2p/bootloader_utils.c b/firmware/microblaze/usrp2p/bootloader_utils.c
index d04cffcf6..fa56c199a 100644
--- a/firmware/microblaze/usrp2p/bootloader_utils.c
+++ b/firmware/microblaze/usrp2p/bootloader_utils.c
@@ -11,15 +11,20 @@
#include <bootloader_utils.h>
#include <spi_flash.h>
#include <memory_map.h>
+#include <nonstdio.h>
int is_valid_fpga_image(uint32_t addr) {
+// printf("is_valid_fpga_image(): starting with addr=%x...\n", addr);
uint8_t imgbuf[64];
spi_flash_read(addr, 64, imgbuf);
//we're just looking for leading 0xFF padding, followed by the sync bytes 0xAA 0x99
int i = 0;
for(i; i<63; i++) {
if(imgbuf[i] == 0xFF) continue;
- if(imgbuf[i] == 0xAA && imgbuf[i+1] == 0x99) return 1;
+ if(imgbuf[i] == 0xAA && imgbuf[i+1] == 0x99) {
+ //printf("is_valid_fpga_image(): found valid FPGA image\n");
+ return 1;
+ }
}
return 0;
@@ -27,8 +32,12 @@ int is_valid_fpga_image(uint32_t addr) {
int is_valid_fw_image(uint32_t addr) {
static const uint8_t fwheader[] = {0x0b, 0x0b, 0x0b, 0x0b, 0x80, 0x70}; //just lookin for a jump to anywhere located at the reset vector
+ //printf("is_valid_fw_image(): starting with addr=%x...\n", addr);
uint8_t buf[12];
spi_flash_read(addr, 6, buf);
+ //printf("is_valid_fw_image(): read ");
+ //for(int i = 0; i < 5; i++) printf("%x ", buf[i]);
+ //printf("\n");
return memcmp(buf, fwheader, 6) == 0;
}