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all devices: add support to (un)protect flash, implement pre/post flash access. Use new spiInterface methods

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This commit is contained in:
Gwenhael Goavec-Merou
2021-12-22 19:11:35 +01:00
parent af14e9b518
commit 45f7f72030
18 changed files with 431 additions and 347 deletions
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src/colognechip.cpp
+13 -9
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@@ -136,9 +136,10 @@ bool CologneChip::dumpFlash(const std::string &filename, uint32_t base_addr,
try {
SPIFlash *flash;
if (_spi) {
flash = new SPIFlash(reinterpret_cast<SPIInterface *>(_spi), _verbose);
flash = new SPIFlash(reinterpret_cast<SPIInterface *>(_spi), false,
_verbose);
} else if (_ftdi_jtag) {
flash = new SPIFlash(this, _verbose);
flash = new SPIFlash(this, false, _verbose);
}
flash->reset();
flash->power_up();
@@ -165,7 +166,7 @@ bool CologneChip::dumpFlash(const std::string &filename, uint32_t base_addr,
* 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.
*/
void CologneChip::program(unsigned int offset)
void CologneChip::program(unsigned int offset, bool unprotect_flash)
{
ConfigBitstreamParser *cfg;
if (_file_extension == "cfg") {
@@ -188,9 +189,9 @@ void CologneChip::program(unsigned int offset)
switch (_mode) {
case Device::FLASH_MODE:
if (_jtag != NULL) {
programJTAG_flash(offset, data, length);
programJTAG_flash(offset, data, length, unprotect_flash);
} else if (_jtag == NULL) {
programSPI_flash(offset, data, length);
programSPI_flash(offset, data, length, unprotect_flash);
}
break;
case Device::MEM_MODE:
@@ -227,13 +228,15 @@ void CologneChip::programSPI_sram(uint8_t *data, int length)
* done, release reset to start FPGA in active SPI mode (load from flash).
* CFG_MD[3:0] must be set to 0x00 (SPI active).
*/
void CologneChip::programSPI_flash(unsigned int offset, uint8_t *data, int length)
void CologneChip::programSPI_flash(unsigned int offset, uint8_t *data,
int length, bool unprotect_flash)
{
/* hold device in reset during flash write access */
_spi->gpio_clear(_rstn_pin | _oen_pin);
usleep(SLEEP_US);
SPIFlash flash(reinterpret_cast<SPIInterface *>(_spi), _verbose);
SPIFlash flash(reinterpret_cast<SPIInterface *>(_spi), unprotect_flash,
_verbose);
flash.reset();
flash.power_up();
@@ -294,12 +297,13 @@ void CologneChip::programJTAG_sram(uint8_t *data, int length)
* Write configuration to flash via JTAG-SPI-bypass. The FPGA will not start
* as it is in JTAG mode with CFG_MD[3:0] set to 0xF0 (JTAG).
*/
void CologneChip::programJTAG_flash(unsigned int offset, uint8_t *data, int length)
void CologneChip::programJTAG_flash(unsigned int offset, uint8_t *data,
int length, bool unprotect_flash)
{
/* hold device in reset for a moment */
reset();
SPIFlash flash(this, _verbose);
SPIFlash flash(this, unprotect_flash, _verbose);
flash.reset();
flash.power_up();