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This commit is contained in:
Sergiusz Bazanski 2018-07-24 01:38:20 +01:00
parent dbf79d78bb
commit fae7994bc3
4 changed files with 67 additions and 60 deletions
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1
common/router1.cc
View File

@ -211,7 +211,6 @@ struct Router
overtimeRevisitCnt++; overtimeRevisitCnt++;
} }
QueuedWire next_qw; QueuedWire next_qw;
next_qw.wire = next_wire; next_qw.wire = next_wire;
next_qw.pip = pip; next_qw.pip = pip;

33
ice40/bitstream.cc
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@ -88,7 +88,9 @@ void set_config(const TileInfoPOD &ti, std::vector<std::vector<int8_t>> &tile_cf
// Set an IE_{EN,REN} logical bit in a tile config. Logical means enabled. // Set an IE_{EN,REN} logical bit in a tile config. Logical means enabled.
// On {HX,LP}1K devices these bits are active low, so we need to inver them. // On {HX,LP}1K devices these bits are active low, so we need to inver them.
void set_ie_bit_logical(const Context *ctx, const TileInfoPOD &ti, std::vector<std::vector<int8_t>> &tile_cfg, const std::string &name, bool value) { void set_ie_bit_logical(const Context *ctx, const TileInfoPOD &ti, std::vector<std::vector<int8_t>> &tile_cfg,
const std::string &name, bool value)
{
if (ctx->args.type == ArchArgs::LP1K || ctx->args.type == ArchArgs::HX1K) { if (ctx->args.type == ArchArgs::LP1K || ctx->args.type == ArchArgs::HX1K) {
set_config(ti, tile_cfg, name, !value); set_config(ti, tile_cfg, name, !value);
} else { } else {
@ -424,14 +426,20 @@ void write_asc(const Context *ctx, std::ostream &out)
{"B_SIGNED", 1}}; {"B_SIGNED", 1}};
configure_extra_cell(config, ctx, cell.second.get(), mac16_params, false, std::string("IpConfig.")); configure_extra_cell(config, ctx, cell.second.get(), mac16_params, false, std::string("IpConfig."));
} else if (cell.second->type == ctx->id("ICESTORM_PLL")) { } else if (cell.second->type == ctx->id("ICESTORM_PLL")) {
const std::vector<std::pair<std::string, int>> pll_params = { const std::vector<std::pair<std::string, int>> pll_params = {{"DELAY_ADJMODE_FB", 1},
{"DELAY_ADJMODE_FB", 1}, {"DELAY_ADJMODE_REL", 1}, {"DELAY_ADJMODE_REL", 1},
{"DIVF", 7}, {"DIVQ", 3}, {"DIVR", 4}, {"DIVF", 7},
{"FDA_FEEDBACK", 4}, {"FDA_RELATIVE", 4}, {"DIVQ", 3},
{"FEEDBACK_PATH", 3}, {"FILTER_RANGE", 3}, {"DIVR", 4},
{"PLLOUT_SELECT_A", 2}, {"PLLOUT_SELECT_B", 2}, {"FDA_FEEDBACK", 4},
{"PLLTYPE", 3}, {"SHIFTREG_DIV_MODE", 1}, {"TEST_MODE", 1} {"FDA_RELATIVE", 4},
}; {"FEEDBACK_PATH", 3},
{"FILTER_RANGE", 3},
{"PLLOUT_SELECT_A", 2},
{"PLLOUT_SELECT_B", 2},
{"PLLTYPE", 3},
{"SHIFTREG_DIV_MODE", 1},
{"TEST_MODE", 1}};
configure_extra_cell(config, ctx, cell.second.get(), pll_params, false, std::string("PLL.")); configure_extra_cell(config, ctx, cell.second.get(), pll_params, false, std::string("PLL."));
// Configure the SB_IOs that the clock outputs are going through. // Configure the SB_IOs that the clock outputs are going through.
@ -458,8 +466,7 @@ void write_asc(const Context *ctx, std::ostream &out)
// Check that this SB_IO is either unused or just used as an output. // Check that this SB_IO is either unused or just used as an output.
auto io_loc = Loc(io_beli.x, io_beli.y, io_beli.z); auto io_loc = Loc(io_beli.x, io_beli.y, io_beli.z);
if (sb_io_used_by_user.count(io_loc)) { if (sb_io_used_by_user.count(io_loc)) {
log_error("SB_IO '%s' already in use, cannot route PLL through\n", log_error("SB_IO '%s' already in use, cannot route PLL through\n", ctx->getBelName(bel).c_str(ctx));
ctx->getBelName(bel).c_str(ctx));
} }
sb_io_used_by_pll.insert(Loc(io_beli.x, io_beli.y, io_beli.z)); sb_io_used_by_pll.insert(Loc(io_beli.x, io_beli.y, io_beli.z));
@ -476,8 +483,8 @@ void write_asc(const Context *ctx, std::ostream &out)
set_ie_bit_logical(ctx, ti, config.at(iey).at(iex), "IoCtrl.IE_" + std::to_string(iez), true); set_ie_bit_logical(ctx, ti, config.at(iey).at(iex), "IoCtrl.IE_" + std::to_string(iez), true);
set_ie_bit_logical(ctx, ti, config.at(iey).at(iex), "IoCtrl.REN_" + std::to_string(iez), false); set_ie_bit_logical(ctx, ti, config.at(iey).at(iex), "IoCtrl.REN_" + std::to_string(iez), false);
// PINTYPE[0] passes the PLL through to the fabric. // PINTYPE[0] passes the PLL through to the fabric.
set_config(ti, config.at(io_beli.y).at(io_beli.x), "IOB_" + std::to_string(io_beli.z) + ".PINTYPE_0", true); set_config(ti, config.at(io_beli.y).at(io_beli.x), "IOB_" + std::to_string(io_beli.z) + ".PINTYPE_0",
true);
} }
} else { } else {

1
ice40/cells.h
View File

@ -84,7 +84,6 @@ inline bool is_sb_pll40_pad(const BaseCtx *ctx, const CellInfo *cell)
cell->type == ctx->id("SB_PLL40_2F_PAD"); cell->type == ctx->id("SB_PLL40_2F_PAD");
} }
uint8_t sb_pll40_type(const BaseCtx *ctx, const CellInfo *cell); uint8_t sb_pll40_type(const BaseCtx *ctx, const CellInfo *cell);
// Convert a SB_LUT primitive to (part of) an ICESTORM_LC, swapping ports // Convert a SB_LUT primitive to (part of) an ICESTORM_LC, swapping ports

12
ice40/pack.cc
View File

@ -545,7 +545,6 @@ static std::unique_ptr<CellInfo> spliceLUT(Context *ctx, CellInfo *ci, IdString
NPNR_ASSERT(port.net != nullptr); NPNR_ASSERT(port.net != nullptr);
// Create pass-through LUT. // Create pass-through LUT.
std::unique_ptr<CellInfo> pt = std::unique_ptr<CellInfo> pt =
create_ice_cell(ctx, ctx->id("ICESTORM_LC"), ci->name.str(ctx) + "$nextpnr_ice40_pack_pll_lc"); create_ice_cell(ctx, ctx->id("ICESTORM_LC"), ci->name.str(ctx) + "$nextpnr_ice40_pack_pll_lc");
@ -660,10 +659,13 @@ static void pack_special(Context *ctx)
packed->params[param.first] = param.second; packed->params[param.first] = param.second;
auto feedback_path = packed->params[ctx->id("FEEDBACK_PATH")]; auto feedback_path = packed->params[ctx->id("FEEDBACK_PATH")];
packed->params[ctx->id("FEEDBACK_PATH")] = feedback_path == "DELAY" ? "0" : packed->params[ctx->id("FEEDBACK_PATH")] =
feedback_path == "SIMPLE" ? "1" : feedback_path == "DELAY"
feedback_path == "PHASE_AND_DELAY" ? "2" : ? "0"
feedback_path == "EXTERNAL" ? "6" : feedback_path; : feedback_path == "SIMPLE" ? "1"
: feedback_path == "PHASE_AND_DELAY"
? "2"
: feedback_path == "EXTERNAL" ? "6" : feedback_path;
packed->params[ctx->id("PLLTYPE")] = std::to_string(sb_pll40_type(ctx, ci)); packed->params[ctx->id("PLLTYPE")] = std::to_string(sb_pll40_type(ctx, ci));
for (auto port : ci->ports) { for (auto port : ci->ports) {