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colognechip: add bulk erase + quad enable features and simplify spi_wait overload (#582) 

* colognechip: add bulk erase + quad enable features and simplify spi_wait overload

* colognechip: remove unnecessary code in `set_quad_bit` and `bulk_erase_flash`
This commit is contained in:
Patrick Urban 2025-09-03 16:26:16 +02:00 committed by GitHub
parent 501d37e351
commit cfddee3611
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GPG Key ID: B5690EEEBB952194
2 changed files with 30 additions and 11 deletions
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37
src/colognechip.cpp
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@ -213,6 +213,30 @@ bool CologneChip::dumpFlash(uint32_t base_addr, uint32_t len)
return post_flash_access(); return post_flash_access();
} }
/**
* Set QE bit, if available. Works in both SPI and JTAG-SPI-bypass mode.
*/
bool CologneChip::set_quad_bit(bool set_quad)
{
if (!SPIInterface::set_quad_bit(set_quad)) {
return false;
}
return true;
}
/**
* Peform bulk erase. Works in both SPI and JTAG-SPI-bypass mode.
*/
bool CologneChip::bulk_erase_flash()
{
if (!SPIInterface::bulk_erase_flash()) {
return false;
}
return true;
}
/** /**
* Parse bitstream from *.bit or *.cfg and program FPGA in SPI or JTAG mode * Parse bitstream from *.bit or *.cfg and program FPGA in SPI or JTAG mode
* or write configuration to external flash via SPI or JTAG-SPI-bypass. * or write configuration to external flash via SPI or JTAG-SPI-bypass.
@ -450,15 +474,10 @@ int CologneChip::spi_wait(uint8_t cmd, uint8_t mask, uint8_t cond,
_jtag->read_write(&tx, NULL, 8, 0); _jtag->read_write(&tx, NULL, 8, 0);
do { do {
if (count == 0) { _jtag->read_write(dummy, rx, 16, 0);
_jtag->read_write(dummy, rx, 16, 0); uint8_t b0 = ConfigBitstreamParser::reverseByte(rx[0]);
uint8_t b0 = ConfigBitstreamParser::reverseByte(rx[0]); uint8_t b1 = ConfigBitstreamParser::reverseByte(rx[1]);
uint8_t b1 = ConfigBitstreamParser::reverseByte(rx[1]); tmp = (b0 << 1) | ((b1 >> 7) & 0x01);
tmp = (b0 << 1) | ((b1 >> 7) & 0x01);
} else {
_jtag->read_write(dummy, rx, 8, 0);
tmp = ConfigBitstreamParser::reverseByte(rx[0]);
}
count++; count++;
if (count == timeout) { if (count == timeout) {

4
src/colognechip.hpp
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@ -42,8 +42,8 @@ class CologneChip: public Device, SPIInterface {
printError("protect flash not supported"); return false;} printError("protect flash not supported"); return false;}
virtual bool unprotect_flash() override { virtual bool unprotect_flash() override {
printError("unprotect flash not supported"); return false;} printError("unprotect flash not supported"); return false;}
virtual bool bulk_erase_flash() override { bool set_quad_bit(bool set_quad) override;
printError("bulk erase flash not supported"); return false;} bool bulk_erase_flash() override;
void program(unsigned int offset, bool unprotect_flash) override; void program(unsigned int offset, bool unprotect_flash) override;
uint32_t idCode() override {return 0;} uint32_t idCode() override {return 0;}