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openFPGALoader
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unlock block if locked before erase/flash

This commit is contained in:
Gwenhael Goavec-Merou 2020-04-21 19:25:35 +02:00
parent ee4a62e968
commit 0409263f87
1 changed files with 8 additions and 0 deletions
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8
src/spiFlash.cpp
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@ -131,6 +131,14 @@ int SPIFlash::write_page(int addr, uint8_t *data, int len)
int SPIFlash::erase_and_prog(int base_addr, uint8_t *data, int len) int SPIFlash::erase_and_prog(int base_addr, uint8_t *data, int len)
{ {
/* check Block Protect Bits */
uint8_t status = read_status_reg();
if ((status & 0x1c) !=0) {
if (write_enable() != 0)
return -1;
if (disable_protection() != 0)
return -1;
}
ProgressBar progress("Writing", len, 50); ProgressBar progress("Writing", len, 50);
if (sectors_erase(0, len) == -1) if (sectors_erase(0, len) == -1)
return -1; return -1;