Git-Mirrors/portapack-mayhem
1
0
Fork 0
mirror of https://github.com/eried/portapack-mayhem.git synced 2025-08-09 23:22:33 -04:00
Code Issues Projects Releases Packages Wiki Activity

added cpld info shell commands (#1703)

Browse source 
* added cpld info shell commands

* fixed reset
This commit is contained in:
Bernd Herzog 2024-01-02 00:18:53 +01:00 • committed by GitHub
parent 3d2da9c0db
commit 3998dc124a
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
9 changed files with 541 additions and 17 deletions
Download patch file Download diff file Expand all files Collapse all files

71
firmware/common/cpld_max5.cpp
View file

@ -147,9 +147,12 @@ void CPLD::sector_select(const uint16_t id) {
}
bool CPLD::idcode_ok() {
return (get_idcode() == idcode);
}
uint32_t CPLD::get_idcode() {
shift_ir(instruction_t::IDCODE);
const auto idcode_read = jtag.shift_dr(idcode_length, 0);
return (idcode_read == idcode);
return jtag.shift_dr(idcode_length, 0);
}
std::array<uint16_t, 5> CPLD::read_silicon_id() {
@ -208,6 +211,16 @@ void CPLD::program_block(
}
}
void CPLD::prepare_read(uint16_t block) {
sector_select(block);
shift_ir(instruction_t::ISC_READ);
jtag.runtest_tck(93); // 5us
}
uint32_t CPLD::read() {
return jtag.shift_dr(16, 0xffff) & 0xfbff;
}
bool CPLD::verify_block(
const uint16_t id,
const uint16_t* const data,
@ -265,5 +278,59 @@ bool CPLD::is_blank() {
return block_0_blank && block_1_blank;
}
bool CPLD::AGM_enter_maintenance_mode() {
shift_ir(instruction_t::AGM_STAGE_1);
jtag.runtest_tck(100);
shift_ir(instruction_t::AGM_STAGE_2);
jtag.runtest_tck(100);
shift_ir(instruction_t::AGM_STAGE_1);
jtag.runtest_tck(100);
shift_ir(instruction_t::AGM_SET_REGISTER);
jtag.runtest_tck(100);
jtag.shift_dr(8, 0x0);
jtag.runtest_tck(100);
shift_ir(instruction_t::AGM_PROGRAM);
jtag.runtest_tck(100);
jtag.shift_dr(32, 0x203f0044uL, 0x80000000);
shift_ir(instruction_t::IDCODE);
jtag.runtest_tck(100);
auto idcode = jtag.shift_dr(idcode_length, 0);
return idcode == 0x00025610;
}
void CPLD::AGM_exit_maintenance_mode() {
shift_ir(instruction_t::AGM_RESET);
jtag.runtest_tck(100);
}
void CPLD::AGM_enter_read_mode() {
shift_ir(instruction_t::AGM_SET_REGISTER);
jtag.runtest_tck(100);
jtag.shift_dr(8, 0xf0);
jtag.runtest_tck(100);
shift_ir(instruction_t::AGM_READ);
jtag.runtest_tck(100);
}
uint32_t CPLD::AGM_encode_address(uint32_t address, uint32_t trailer) {
uint32_t p = trailer;
for (size_t i = 0; i < 18; i++) {
auto address_bit = (address >> i) & 0x01;
p |= address_bit << (31 - i);
}
return p;
}
uint32_t CPLD::AGM_read(uint32_t address) {
auto encoded_address = AGM_encode_address(address * 4, 0xC0);
return jtag.shift_dr(32, encoded_address, 0x0);
}
} /* namespace max5 */
} /* namespace cpld */