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gowin: Add GW1N9 detection

This commit is contained in:
Jean THOMAS 2024-12-11 11:49:29 +01:00
parent 91608ca206
commit a1108ca981
2 changed files with 15 additions and 10 deletions
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22
src/gowin.cpp
View File

@ -80,8 +80,9 @@ Gowin::Gowin(Jtag *jtag, const string filename, const string &file_type, std::st
bool verify, int8_t verbose): Device(jtag, filename, file_type,
verify, verbose),
SPIInterface(filename, verbose, 0, verify, false, false),
_idcode(0), is_gw1n1(false), is_gw2a(false), is_gw1n4(false),
is_gw5a(false), _external_flash(external_flash),
_idcode(0), is_gw1n1(false), is_gw1n4(false), is_gw1n9(false),
is_gw2a(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)
@ -168,13 +169,6 @@ 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;
@ -189,6 +183,16 @@ bool Gowin::detectFamily()
* algorithm that is not yet supported.
*/
switch (_idcode) {
case 0x0900281B: /* GW1N-1 */
is_gw1n1 = true;
break;
case 0x0100381B: /* GW1N-4B */
case 0x0100681b: /* GW1NZ-1 */
is_gw1n4 = true;
break;
case 0x0100481B: /* GW1N(R)-9, although documentation says otherwise */
is_gw1n9 = true;
break;
case 0x0000081b: /* GW2A(R)-18(C) */
case 0x0000281b: /* GW2A(R)-55(C) */
_external_flash = true;

3
src/gowin.hpp
View File

@ -132,8 +132,9 @@ class Gowin: public Device, SPIInterface {
std::unique_ptr<ConfigBitstreamParser> _mcufw;
uint32_t _idcode;
bool is_gw1n1;
bool is_gw2a;
bool is_gw1n4;
bool is_gw1n9;
bool is_gw2a;
bool is_gw5a;
bool skip_checksum; /**< bypass checksum verification (GW2A) */
bool _external_flash; /**< select between int or ext flash */