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Merge pull request #847 from galibert/master

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mistral: Add support for cyclonev_hps_interface_mpu_general_purpose
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gatecat 2021-10-15 14:01:04 +01:00 committed by GitHub
commit c71a20e805
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4 changed files with 17 additions and 0 deletions
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5
mistral/arch.cc
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@ -77,6 +77,11 @@ Arch::Arch(ArchArgs args)
for (auto cmuxh_pos : cyclonev->cmuxh_get_pos())
create_clkbuf(CycloneV::pos2x(cmuxh_pos), CycloneV::pos2y(cmuxh_pos));
auto hps_pos = cyclonev->hps_get_pos();
if (!hps_pos.empty()) {
create_hps_mpu_general_purpose(CycloneV::pos2x(hps_pos[CycloneV::I_HPS_MPU_GENERAL_PURPOSE]), CycloneV::pos2y(hps_pos[CycloneV::I_HPS_MPU_GENERAL_PURPOSE]));
}
// This import takes about 5s, perhaps long term we can speed it up, e.g. defer to Mistral more...
log_info("Initialising routing graph...\n");
int pip_count = 0;

1
mistral/arch.h
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@ -469,6 +469,7 @@ struct Arch : BaseArch<ArchRanges>
void create_lab(int x, int y, bool is_mlab); // lab.cc
void create_gpio(int x, int y); // io.cc
void create_clkbuf(int x, int y); // globals.cc
void create_hps_mpu_general_purpose(int x, int y); // globals.cc
// -------------------------------------------------

2
mistral/constids.inc
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@ -94,3 +94,5 @@ X(A1DATA)
X(B1DATA)
X(WCLK_INV)
X(WE_INV)
X(cyclonev_hps_interface_mpu_general_purpose)

9
mistral/globals.cc
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@ -43,4 +43,13 @@ bool Arch::is_clkbuf_cell(IdString cell_type) const
return cell_type == id_MISTRAL_CLKENA || cell_type == id_MISTRAL_CLKBUF;
}
void Arch::create_hps_mpu_general_purpose(int x, int y)
{
BelId gp_bel = add_bel(x, y, id_cyclonev_hps_interface_mpu_general_purpose, id_cyclonev_hps_interface_mpu_general_purpose);
for (int i = 0; i < 32; i++) {
add_bel_pin(gp_bel, id(stringf("gp_in[%d]", i)), PORT_IN, get_port(CycloneV::HPS_MPU_GENERAL_PURPOSE, x, y, -1, CycloneV::GP_IN, i));
add_bel_pin(gp_bel, id(stringf("gp_out[%d]", i)), PORT_OUT, get_port(CycloneV::HPS_MPU_GENERAL_PURPOSE, x, y, -1, CycloneV::GP_OUT, i));
}
}
NEXTPNR_NAMESPACE_END