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gmpack: set `CMD_CHG_STATUS` config mode byte in bootaddr and background modes

This commit is contained in:
Patrick Urban 2025-10-20 16:28:26 +02:00
parent 9aa2711958
commit ac547baf3b
1 changed files with 5 additions and 3 deletions
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8
libgm/src/Bitstream.cpp
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@ -392,11 +392,11 @@ class BitstreamReadWriter
write_nops(4);
}
void write_cmd_chg_status(uint8_t cfg, std::vector<uint8_t> data)
void write_cmd_chg_status(uint8_t cfg, uint8_t next_mode, std::vector<uint8_t> data)
{
write_header(CMD_CHG_STATUS, 12);
write_byte(cfg);
write_byte(0x00);
write_byte(next_mode);
for (int i = 2; i < 12; i++)
write_byte(data[Die::STATUS_CFG_START + i]);
insert_crc16();
@ -1061,6 +1061,7 @@ Bitstream Bitstream::serialise_chip(const Chip &chip, const std::map<std::string
}
uint8_t cfg_stat = CFG_CPE_RESET;
uint8_t cfg_mode = 0x1F; // unused mode enforces controller to stop
// Only for die 0
if (d == 0) {
// Write change status
@ -1079,6 +1080,7 @@ Bitstream Bitstream::serialise_chip(const Chip &chip, const std::map<std::string
}
if (options.count("bootaddr") || options.count("background")) {
cfg_mode = 0x10; // active spi
// Enable autonomous clock if PLL not enabled
if (die.is_pll_cfg_empty(0)) {
die_config[Die::STATUS_CFG_START + 2 + 2] |= CFG_PLL_AUTN;
@ -1093,7 +1095,7 @@ Bitstream Bitstream::serialise_chip(const Chip &chip, const std::map<std::string
wr.insert_crc16();
}
wr.write_cmd_chg_status(cfg_stat, die_config);
wr.write_cmd_chg_status(cfg_stat, cfg_mode, die_config);
if (d == 0) {
if (options.count("bootaddr") && !options.count("background")) {