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-rw-r--r--ecp5/bitstream.cc98
1 files changed, 44 insertions, 54 deletions
diff --git a/ecp5/bitstream.cc b/ecp5/bitstream.cc
index df9b12d5..f12e09b2 100644
--- a/ecp5/bitstream.cc
+++ b/ecp5/bitstream.cc
@@ -19,17 +19,10 @@
#include "bitstream.h"
-// From Project Trellis
-#include "BitDatabase.hpp"
-#include "Bitstream.hpp"
-#include "Chip.hpp"
-#include "ChipConfig.hpp"
-#include "Tile.hpp"
-#include "TileConfig.hpp"
-
#include <fstream>
#include <streambuf>
+#include "config.h"
#include "io.h"
#include "log.h"
#include "util.h"
@@ -49,13 +42,13 @@ static std::string get_trellis_wirename(Context *ctx, Location loc, WireId wire)
return basename;
std::string rel_prefix;
if (wire.location.y < loc.y)
- rel_prefix += "N" + to_string(loc.y - wire.location.y);
+ rel_prefix += "N" + std::to_string(loc.y - wire.location.y);
if (wire.location.y > loc.y)
- rel_prefix += "S" + to_string(wire.location.y - loc.y);
+ rel_prefix += "S" + std::to_string(wire.location.y - loc.y);
if (wire.location.x > loc.x)
- rel_prefix += "E" + to_string(wire.location.x - loc.x);
+ rel_prefix += "E" + std::to_string(wire.location.x - loc.x);
if (wire.location.x < loc.x)
- rel_prefix += "W" + to_string(loc.x - wire.location.x);
+ rel_prefix += "W" + std::to_string(loc.x - wire.location.x);
return rel_prefix + "_" + basename;
}
@@ -69,7 +62,7 @@ static std::vector<bool> int_to_bitvector(int val, int size)
}
// Get the PIO tile corresponding to a PIO bel
-static std::string get_pio_tile(Context *ctx, Trellis::Chip &chip, BelId bel)
+static std::string get_pio_tile(Context *ctx, BelId bel)
{
static const std::set<std::string> pioabcd_l = {"PICL1", "PICL1_DQS0", "PICL1_DQS3"};
static const std::set<std::string> pioabcd_r = {"PICR1", "PICR1_DQS0", "PICR1_DQS3"};
@@ -79,31 +72,31 @@ static std::string get_pio_tile(Context *ctx, Trellis::Chip &chip, BelId bel)
std::string pio_name = ctx->locInfo(bel)->bel_data[bel.index].name.get();
if (bel.location.y == 0) {
if (pio_name == "PIOA") {
- return chip.get_tile_by_position_and_type(0, bel.location.x, "PIOT0");
+ return ctx->getTileByTypeAndLocation(0, bel.location.x, "PIOT0");
} else if (pio_name == "PIOB") {
- return chip.get_tile_by_position_and_type(0, bel.location.x + 1, "PIOT1");
+ return ctx->getTileByTypeAndLocation(0, bel.location.x + 1, "PIOT1");
} else {
NPNR_ASSERT_FALSE("bad PIO location");
}
} else if (bel.location.y == ctx->chip_info->height - 1) {
if (pio_name == "PIOA") {
- return chip.get_tile_by_position_and_type(bel.location.y, bel.location.x, pioa_b);
+ return ctx->getTileByTypeAndLocation(bel.location.y, bel.location.x, pioa_b);
} else if (pio_name == "PIOB") {
- return chip.get_tile_by_position_and_type(bel.location.y, bel.location.x + 1, piob_b);
+ return ctx->getTileByTypeAndLocation(bel.location.y, bel.location.x + 1, piob_b);
} else {
NPNR_ASSERT_FALSE("bad PIO location");
}
} else if (bel.location.x == 0) {
- return chip.get_tile_by_position_and_type(bel.location.y + 1, bel.location.x, pioabcd_l);
+ return ctx->getTileByTypeAndLocation(bel.location.y + 1, bel.location.x, pioabcd_l);
} else if (bel.location.x == ctx->chip_info->width - 1) {
- return chip.get_tile_by_position_and_type(bel.location.y + 1, bel.location.x, pioabcd_r);
+ return ctx->getTileByTypeAndLocation(bel.location.y + 1, bel.location.x, pioabcd_r);
} else {
NPNR_ASSERT_FALSE("bad PIO location");
}
}
// Get the PIC tile corresponding to a PIO bel
-static std::string get_pic_tile(Context *ctx, Trellis::Chip &chip, BelId bel)
+static std::string get_pic_tile(Context *ctx, BelId bel)
{
static const std::set<std::string> picab_l = {"PICL0", "PICL0_DQS2"};
static const std::set<std::string> piccd_l = {"PICL2", "PICL2_DQS1", "MIB_CIB_LR"};
@@ -116,33 +109,33 @@ static std::string get_pic_tile(Context *ctx, Trellis::Chip &chip, BelId bel)
std::string pio_name = ctx->locInfo(bel)->bel_data[bel.index].name.get();
if (bel.location.y == 0) {
if (pio_name == "PIOA") {
- return chip.get_tile_by_position_and_type(1, bel.location.x, "PICT0");
+ return ctx->getTileByTypeAndLocation(1, bel.location.x, "PICT0");
} else if (pio_name == "PIOB") {
- return chip.get_tile_by_position_and_type(1, bel.location.x + 1, "PICT1");
+ return ctx->getTileByTypeAndLocation(1, bel.location.x + 1, "PICT1");
} else {
NPNR_ASSERT_FALSE("bad PIO location");
}
} else if (bel.location.y == ctx->chip_info->height - 1) {
if (pio_name == "PIOA") {
- return chip.get_tile_by_position_and_type(bel.location.y, bel.location.x, pica_b);
+ return ctx->getTileByTypeAndLocation(bel.location.y, bel.location.x, pica_b);
} else if (pio_name == "PIOB") {
- return chip.get_tile_by_position_and_type(bel.location.y, bel.location.x + 1, picb_b);
+ return ctx->getTileByTypeAndLocation(bel.location.y, bel.location.x + 1, picb_b);
} else {
NPNR_ASSERT_FALSE("bad PIO location");
}
} else if (bel.location.x == 0) {
if (pio_name == "PIOA" || pio_name == "PIOB") {
- return chip.get_tile_by_position_and_type(bel.location.y, bel.location.x, picab_l);
+ return ctx->getTileByTypeAndLocation(bel.location.y, bel.location.x, picab_l);
} else if (pio_name == "PIOC" || pio_name == "PIOD") {
- return chip.get_tile_by_position_and_type(bel.location.y + 2, bel.location.x, piccd_l);
+ return ctx->getTileByTypeAndLocation(bel.location.y + 2, bel.location.x, piccd_l);
} else {
NPNR_ASSERT_FALSE("bad PIO location");
}
} else if (bel.location.x == ctx->chip_info->width - 1) {
if (pio_name == "PIOA" || pio_name == "PIOB") {
- return chip.get_tile_by_position_and_type(bel.location.y, bel.location.x, picab_r);
+ return ctx->getTileByTypeAndLocation(bel.location.y, bel.location.x, picab_r);
} else if (pio_name == "PIOC" || pio_name == "PIOD") {
- return chip.get_tile_by_position_and_type(bel.location.y + 2, bel.location.x, piccd_r);
+ return ctx->getTileByTypeAndLocation(bel.location.y + 2, bel.location.x, piccd_r);
} else {
NPNR_ASSERT_FALSE("bad PIO location");
}
@@ -151,11 +144,9 @@ static std::string get_pic_tile(Context *ctx, Trellis::Chip &chip, BelId bel)
}
}
-void write_bitstream(Context *ctx, std::string base_config_file, std::string text_config_file,
- std::string bitstream_file)
+void write_bitstream(Context *ctx, std::string base_config_file, std::string text_config_file)
{
- Trellis::Chip empty_chip(ctx->getChipName());
- Trellis::ChipConfig cc;
+ ChipConfig cc;
std::set<std::string> cib_tiles = {"CIB", "CIB_LR", "CIB_LR_S", "CIB_EFB0", "CIB_EFB1"};
@@ -164,8 +155,7 @@ void write_bitstream(Context *ctx, std::string base_config_file, std::string tex
if (!config_file) {
log_error("failed to open base config file '%s'\n", base_config_file.c_str());
}
- std::string str((std::istreambuf_iterator<char>(config_file)), std::istreambuf_iterator<char>());
- cc = Trellis::ChipConfig::from_string(str);
+ config_file >> cc;
} else {
cc.chip_name = ctx->getChipName();
// TODO: .bit metadata
@@ -175,8 +165,7 @@ void write_bitstream(Context *ctx, std::string base_config_file, std::string tex
for (auto pip : ctx->getPips()) {
if (ctx->getBoundPipNet(pip) != IdString()) {
if (ctx->getPipClass(pip) == 0) { // ignore fixed pips
- std::string tile = empty_chip.get_tile_by_position_and_type(pip.location.y, pip.location.x,
- ctx->getPipTiletype(pip));
+ std::string tile = ctx->getPipTilename(pip);
std::string source = get_trellis_wirename(ctx, pip.location, ctx->getPipSrcWire(pip));
std::string sink = get_trellis_wirename(ctx, pip.location, ctx->getPipDstWire(pip));
cc.tiles[tile].add_arc(sink, source);
@@ -214,15 +203,20 @@ void write_bitstream(Context *ctx, std::string base_config_file, std::string tex
}
// Set all bankref tiles to appropriate VccIO
- for (const auto &tile : empty_chip.tiles) {
- std::string type = tile.second->info.type;
- if (type.find("BANKREF") != std::string::npos && type != "BANKREF8") {
- int bank = std::stoi(type.substr(7));
- if (bankVcc.find(bank) != bankVcc.end())
- cc.tiles[tile.first].add_enum("BANK.VCCIO", iovoltage_to_str(bankVcc[bank]));
- if (bankLvds[bank]) {
- cc.tiles[tile.first].add_enum("BANK.DIFF_REF", "ON");
- cc.tiles[tile.first].add_enum("BANK.LVDSO", "ON");
+ for (int y = 0; y < ctx->getGridDimY(); y++) {
+ for (int x = 0; x < ctx->getGridDimX(); x++) {
+ auto tiles = ctx->getTilesAtLocation(y, x);
+ for (auto tile : tiles) {
+ std::string type = tile.second;
+ if (type.find("BANKREF") != std::string::npos && type != "BANKREF8") {
+ int bank = std::stoi(type.substr(7));
+ if (bankVcc.find(bank) != bankVcc.end())
+ cc.tiles[tile.first].add_enum("BANK.VCCIO", iovoltage_to_str(bankVcc[bank]));
+ if (bankLvds[bank]) {
+ cc.tiles[tile.first].add_enum("BANK.DIFF_REF", "ON");
+ cc.tiles[tile.first].add_enum("BANK.LVDSO", "ON");
+ }
+ }
}
}
}
@@ -235,7 +229,7 @@ void write_bitstream(Context *ctx, std::string base_config_file, std::string tex
}
BelId bel = ci->bel;
if (ci->type == ctx->id("TRELLIS_SLICE")) {
- std::string tname = empty_chip.get_tile_by_position_and_type(bel.location.y, bel.location.x, "PLC2");
+ std::string tname = ctx->getTileByTypeAndLocation(bel.location.y, bel.location.x, "PLC2");
std::string slice = ctx->locInfo(bel)->bel_data[bel.index].name.get();
int lut0_init = int_or_default(ci->params, ctx->id("LUT0_INITVAL"));
int lut1_init = int_or_default(ci->params, ctx->id("LUT1_INITVAL"));
@@ -267,8 +261,8 @@ void write_bitstream(Context *ctx, std::string base_config_file, std::string tex
std::string pio = ctx->locInfo(bel)->bel_data[bel.index].name.get();
std::string iotype = str_or_default(ci->attrs, ctx->id("IO_TYPE"), "LVCMOS33");
std::string dir = str_or_default(ci->params, ctx->id("DIR"), "INPUT");
- std::string pio_tile = get_pio_tile(ctx, empty_chip, bel);
- std::string pic_tile = get_pic_tile(ctx, empty_chip, bel);
+ std::string pio_tile = get_pio_tile(ctx, bel);
+ std::string pic_tile = get_pic_tile(ctx, bel);
cc.tiles[pio_tile].add_enum(pio + ".BASE_TYPE", dir + "_" + iotype);
cc.tiles[pic_tile].add_enum(pio + ".BASE_TYPE", dir + "_" + iotype);
if (is_differential(ioType_from_str(iotype))) {
@@ -293,7 +287,7 @@ void write_bitstream(Context *ctx, std::string base_config_file, std::string tex
PipId jpt_pip = *ctx->getPipsUphill(jpt_wire).begin();
WireId cib_wire = ctx->getPipSrcWire(jpt_pip);
std::string cib_tile =
- empty_chip.get_tile_by_position_and_type(cib_wire.location.y, cib_wire.location.x, cib_tiles);
+ ctx->getTileByTypeAndLocation(cib_wire.location.y, cib_wire.location.x, cib_tiles);
std::string cib_wirename = ctx->locInfo(cib_wire)->wire_data[cib_wire.index].name.get();
cc.tiles[cib_tile].add_enum("CIB." + cib_wirename + "MUX", "0");
}
@@ -306,13 +300,9 @@ void write_bitstream(Context *ctx, std::string base_config_file, std::string tex
}
// Configure chip
- Trellis::Chip cfg_chip = cc.to_chip();
- if (!bitstream_file.empty()) {
- Trellis::Bitstream::serialise_chip(cfg_chip).write_bit_py(bitstream_file);
- }
if (!text_config_file.empty()) {
std::ofstream out_config(text_config_file);
- out_config << cc.to_string();
+ out_config << cc;
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-26 05:14:28 +0000