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gowin: detectFamily new function

This commit is contained in:
Gwenhael Goavec-Merou 2023-11-19 10:18:45 +01:00
parent 1cbdee362d
commit 31c89e21a3
2 changed files with 59 additions and 50 deletions
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107
src/gowin.cpp
View File

@ -78,23 +78,23 @@ using namespace std;
Gowin::Gowin(Jtag *jtag, const string filename, const string &file_type, std::string mcufw,
Device::prog_type_t prg_type, bool external_flash,
bool verify, int8_t verbose): Device(jtag, filename, file_type,
verify, verbose), is_gw1n1(false), is_gw2a(false), is_gw1n4(false), is_gw5a(false),
_external_flash(external_flash),
verify, verbose),
_fs(NULL), _idcode(0), is_gw1n1(false), is_gw2a(false),
is_gw1n4(false), is_gw5a(false), _external_flash(external_flash),
_spi_sck(BSCAN_SPI_SCK), _spi_cs(BSCAN_SPI_CS),
_spi_di(BSCAN_SPI_DI), _spi_do(BSCAN_SPI_DO),
_spi_msk(BSCAN_SPI_MSK)
_spi_msk(BSCAN_SPI_MSK),
_mcufw(NULL)
{
_fs = NULL;
_mcufw = NULL;
uint32_t idcode = _jtag->get_target_device_id();
detectFamily();
if (prg_type == Device::WR_FLASH)
_mode = Device::FLASH_MODE;
else
_mode = Device::MEM_MODE;
if (!_file_extension.empty()) {
if (!_file_extension.empty() && prg_type != Device::RD_FLASH) {
if (_file_extension == "fs") {
try {
_fs = new FsParser(_filename, _mode == Device::MEM_MODE, _verbose);
@ -103,7 +103,7 @@ Gowin::Gowin(Jtag *jtag, const string filename, const string &file_type, std::st
}
} else {
/* non fs file is only allowed with external flash */
if (!external_flash)
if (!_external_flash)
throw std::runtime_error("incompatible file format");
try {
_fs = new RawParser(_filename, false);
@ -128,55 +128,17 @@ Gowin::Gowin(Jtag *jtag, const string filename, const string &file_type, std::st
if (_file_extension == "fs") {
string idcode_str = _fs->getHeaderVal("idcode");
uint32_t fs_idcode = std::stoul(idcode_str.c_str(), NULL, 16);
if ((fs_idcode & 0x0fffffff) != idcode) {
if ((fs_idcode & 0x0fffffff) != _idcode) {
char mess[256];
snprintf(mess, 256, "mismatch between target's idcode and bitstream idcode\n"
"\tbitstream has 0x%08X hardware requires 0x%08x", fs_idcode, idcode);
"\tbitstream has 0x%08X hardware requires 0x%08x", fs_idcode, _idcode);
throw std::runtime_error(mess);
}
}
}
/* erase and program flash differ for GW1N1 */
if (idcode == 0x0900281B)
is_gw1n1 = true;
/* erase and program flash differ for GW1N4, GW1N1Z-1 */
if (idcode == 0x0100381B || idcode == 0x100681b)
is_gw1n4 = true;
/* bscan spi external flash differ for GW1NSR-4C */
if (idcode == 0x0100981b) {
_spi_sck = BSCAN_GW1NSR_4C_SPI_SCK;
_spi_cs = BSCAN_GW1NSR_4C_SPI_CS;
_spi_di = BSCAN_GW1NSR_4C_SPI_DI;
_spi_do = BSCAN_GW1NSR_4C_SPI_DO;
_spi_msk = BSCAN_GW1NSR_4C_SPI_MSK;
}
/*
* GW2 series has no internal flash and uses new bitstream checksum
* algorithm that is not yet supported.
*/
switch (idcode) {
case 0x0000081b: /* GW2A(R)-18(C) */
case 0x0000281b: /* GW2A(R)-55(C) */
_external_flash = true;
/* FIXME: implement GW2 checksum calculation */
skip_checksum = true;
is_gw2a = true;
break;
case 0x0001081b: /* GW5AST-138 */
case 0x0001181b: /* GW5AT-138 */
case 0x0001281b: /* GW5A-25 */
_external_flash = true;
/* FIXME: implement GW5 checksum calculation */
skip_checksum = true;
is_gw5a = true;
break;
}
if (mcufw.size() > 0) {
if (idcode != 0x0100981b)
if (_idcode != 0x0100981b)
throw std::runtime_error("Microcontroller firmware flashing only supported on GW1NSR-4C");
_mcufw = new RawParser(mcufw, false);
@ -199,6 +161,51 @@ Gowin::~Gowin()
delete _mcufw;
}
bool Gowin::detectFamily()
{
_idcode = _jtag->get_target_device_id();
/* erase and program flash differ for GW1N1 */
if (_idcode == 0x0900281B)
is_gw1n1 = true;
/* erase and program flash differ for GW1N4, GW1N1Z-1 */
if (_idcode == 0x0100381B || _idcode == 0x100681b)
is_gw1n4 = true;
/* bscan spi external flash differ for GW1NSR-4C */
if (_idcode == 0x0100981b) {
_spi_sck = BSCAN_GW1NSR_4C_SPI_SCK;
_spi_cs = BSCAN_GW1NSR_4C_SPI_CS;
_spi_di = BSCAN_GW1NSR_4C_SPI_DI;
_spi_do = BSCAN_GW1NSR_4C_SPI_DO;
_spi_msk = BSCAN_GW1NSR_4C_SPI_MSK;
}
/*
* GW2 series has no internal flash and uses new bitstream checksum
* algorithm that is not yet supported.
*/
switch (_idcode) {
case 0x0000081b: /* GW2A(R)-18(C) */
case 0x0000281b: /* GW2A(R)-55(C) */
_external_flash = true;
/* FIXME: implement GW2 checksum calculation */
skip_checksum = true;
is_gw2a = true;
break;
case 0x0001081b: /* GW5AST-138 */
case 0x0001181b: /* GW5AT-138 */
case 0x0001281b: /* GW5A-25 */
_external_flash = true;
/* FIXME: implement GW5 checksum calculation */
skip_checksum = true;
is_gw5a = true;
break;
}
return true;
}
bool Gowin::send_command(uint8_t cmd)
{
_jtag->shiftIR(&cmd, nullptr, 8);
@ -736,7 +743,7 @@ int Gowin::spi_put(uint8_t cmd, const uint8_t *tx, uint8_t *rx, uint32_t len)
memset(jtx+1, 0, len);
int ret = spi_put(jtx, (rx)? jrx : NULL, len+1);
if (rx)
memcpy(rx, jrx+1, len);
memcpy(rx, jrx + 1, len);
return ret;
}

2
src/gowin.hpp
View File

@ -42,6 +42,7 @@ class Gowin: public Device, SPIInterface {
uint32_t timeout, bool verbose) override;
private:
bool detectFamily();
bool send_command(uint8_t cmd);
void spi_gowin_write(const uint8_t *wr, uint8_t *rd, unsigned len);
uint32_t readReg32(uint8_t cmd);
@ -65,6 +66,7 @@ class Gowin: public Device, SPIInterface {
*/
void checkCRC();
ConfigBitstreamParser *_fs;
uint32_t _idcode;
bool is_gw1n1;
bool is_gw2a;
bool is_gw1n4;