gowin: add flash GW1N1 support
- eraseFlash need 65 x 32bits for GW1N1, 1 x 32bits for others - improve flashFlash with delay according to the model
This commit is contained in:
Gwenhael Goavec-Merou
parent
aa752856c3
commit
50fa17b62f
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@ -64,7 +64,7 @@ using namespace std;
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#define EFLASH_ERASE 0x75
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Gowin::Gowin(Jtag *jtag, const string filename, bool flash_wr, bool sram_wr,
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bool verbose): Device(jtag, filename, verbose)
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bool verbose): Device(jtag, filename, verbose), is_gw1n1(false)
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{
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_fs = NULL;
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if (_filename != "") {
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@ -82,6 +82,10 @@ Gowin::Gowin(Jtag *jtag, const string filename, bool flash_wr, bool sram_wr,
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}
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}
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_jtag->setClkFreq(2500000, 0);
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/* erase and program flash differ for GW1N1 */
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if (idCode() == 0x0900281B)
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is_gw1n1 = true;
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}
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Gowin::~Gowin()
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@ -98,6 +102,7 @@ void Gowin::reset()
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void Gowin::programFlash()
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{
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int status;
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uint8_t *data;
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int length;
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@ -126,8 +131,20 @@ void Gowin::programFlash()
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return;
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wr_rd(RELOAD, NULL, 0, NULL, 0);
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wr_rd(NOOP, NULL, 0, NULL, 0);
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/* wait for reload */
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usleep(150*1000);
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/* check if file checksum == checksum in FPGA */
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status = readUserCode();
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if (_fs->checksum() != status) {
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printError("SRAM Flash: FAIL");
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printf("%04x %04x\n", _fs->checksum(), status);
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} else
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printSuccess("SRAM Flash: Success");
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if (_verbose)
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printInfo("%08x\n", readUserCode());
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displayReadReg(readStatusReg());
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}
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void Gowin::program(unsigned int offset)
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@ -320,7 +337,6 @@ bool Gowin::flashFLASH(uint8_t *data, int length)
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uint8_t tt[39];
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bzero(tt, 39);
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ProgressBar progress("Flash SRAM", byte_length, 50);
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_jtag->go_test_logic_reset();
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/* we have to send
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@ -329,7 +345,6 @@ bool Gowin::flashFLASH(uint8_t *data, int length)
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* full bitstream
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*/
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int buffer_length = byte_length+(6*4);
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unsigned char buffer[byte_length+(6*4)];
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unsigned char bufvalues[]={
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0x47, 0x57, 0x31, 0x4E,
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0xff, 0xff , 0xff, 0xff,
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@ -337,17 +352,29 @@ bool Gowin::flashFLASH(uint8_t *data, int length)
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0xff, 0xff , 0xff, 0xff,
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0xff, 0xff , 0xff, 0xff,
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0xff, 0xff , 0xff, 0xff};
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memcpy(buffer, bufvalues, sizeof bufvalues);
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memcpy(buffer+6*4, data, byte_length);
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int nb_xpage = buffer_length/256;
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if (nb_xpage * 256 != buffer_length)
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if (nb_xpage * 256 != buffer_length) {
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nb_xpage++;
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buffer_length = nb_xpage * 256;
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}
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unsigned char buffer[buffer_length];
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/* fill theorical size with 0xff */
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memset(buffer, 0xff, buffer_length);
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/* fill first page with code */
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memcpy(buffer, bufvalues, 6*4);
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/* bitstream just after opcode */
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memcpy(buffer+6*4, data, byte_length);
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ProgressBar progress("Flash SRAM", buffer_length, 50);
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for (int i=0, xpage=0; xpage < nb_xpage; i+=(nb_iter*4), xpage++) {
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wr_rd(CONFIG_ENABLE, NULL, 0, NULL, 0);
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wr_rd(EF_PROGRAM, NULL, 0, NULL, 0);
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_jtag->read_write(tt, NULL, 312, 0);
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if (xpage != 0)
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_jtag->read_write(tt, NULL, 312, 0);
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addr = xpage << 6;
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tmp[3] = 0xff&(addr >> 24);
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tmp[2] = 0xff&(addr >> 16);
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@ -367,7 +394,15 @@ bool Gowin::flashFLASH(uint8_t *data, int length)
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for (int x=0; x < 4; x++)
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tx[3-x] = t[x];
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_jtag->shiftDR(tx, NULL, 32);
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_jtag->read_write(tt, NULL, 40, 0);
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if (!is_gw1n1)
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_jtag->read_write(tt, NULL, 40, 0);
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}
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if (is_gw1n1) {
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//usleep(10*2400*2);
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uint8_t tt2[6008/8];
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memset(tt2, 0, 6008/8);
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_jtag->read_write(tt2, tt2, 6008, 0);
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}
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progress.display(i);
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}
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@ -426,16 +461,28 @@ bool Gowin::flashSRAM(uint8_t *data, int length)
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*/
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bool Gowin::eraseFLASH()
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{
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uint8_t tt[37500];
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unsigned char tx[4] = {0, 0, 0, 0};
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printInfo("erase Flash ", false);
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wr_rd(EFLASH_ERASE, NULL, 0, NULL, 0);
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_jtag->set_state(Jtag::RUN_TEST_IDLE);
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_jtag->shiftDR(tx, NULL, 32);
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/* TN653 specifies to wait for 120ms with
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//_jtag->read_write(tt, tt, 37500*8, 0);
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/* GW1N1 need 65 x 32bits
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* others 1 x 32bits
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*/
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int nb_iter = (is_gw1n1)?65:1;
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for (int i = 0; i < nb_iter; i++) {
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_jtag->shiftDR(tx, NULL, 32);
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_jtag->toggleClk(6);
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}
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/* TN653 specifies to wait for 160ms with
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* there are no bit in status register to specify
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* when this operation is done so we need to wait
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*/
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usleep(120000);
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//usleep(2*120000);
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//uint8_t tt[37500];
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_jtag->read_write(tt, tt, 37500*8, 0);
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printSuccess("Done");
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return true;
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}
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@ -52,5 +52,6 @@ class Gowin: public Device {
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uint32_t readStatusReg();
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uint32_t readUserCode();
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FsParser *_fs;
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bool is_gw1n1;
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};
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#endif // GOWIN_HPP_
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