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-rw-r--r--config/coreboot/haswell/patches/0009-haswell-NRI-Add-range-tracking-library.patch222
1 files changed, 0 insertions, 222 deletions
diff --git a/config/coreboot/haswell/patches/0009-haswell-NRI-Add-range-tracking-library.patch b/config/coreboot/haswell/patches/0009-haswell-NRI-Add-range-tracking-library.patch
deleted file mode 100644
index 9c3fe1c9..00000000
--- a/config/coreboot/haswell/patches/0009-haswell-NRI-Add-range-tracking-library.patch
+++ /dev/null
@@ -1,222 +0,0 @@
-From 7f5c3f8c6c8960d1c374b9c95821c19f230fa34f Mon Sep 17 00:00:00 2001
-From: Angel Pons <th3fanbus@gmail.com>
-Date: Sun, 8 May 2022 00:56:00 +0200
-Subject: [PATCH 09/20] haswell NRI: Add range tracking library
-
-Implement a small library used to keep track of passing ranges. This
-will be used by 1D training algorithms when margining some parameter.
-
-Change-Id: I8718e85165160afd7c0c8e730b5ce6c9c00f8a60
-Signed-off-by: Angel Pons <th3fanbus@gmail.com>
----
- .../intel/haswell/native_raminit/Makefile.mk | 1 +
- .../intel/haswell/native_raminit/ranges.c | 109 ++++++++++++++++++
- .../intel/haswell/native_raminit/ranges.h | 68 +++++++++++
- 3 files changed, 178 insertions(+)
- create mode 100644 src/northbridge/intel/haswell/native_raminit/ranges.c
- create mode 100644 src/northbridge/intel/haswell/native_raminit/ranges.h
-
-diff --git a/src/northbridge/intel/haswell/native_raminit/Makefile.mk b/src/northbridge/intel/haswell/native_raminit/Makefile.mk
-index 6e1b365602..2da950771d 100644
---- a/src/northbridge/intel/haswell/native_raminit/Makefile.mk
-+++ b/src/northbridge/intel/haswell/native_raminit/Makefile.mk
-@@ -9,6 +9,7 @@ romstage-y += io_comp_control.c
- romstage-y += memory_map.c
- romstage-y += raminit_main.c
- romstage-y += raminit_native.c
-+romstage-y += ranges.c
- romstage-y += reut.c
- romstage-y += setup_wdb.c
- romstage-y += spd_bitmunching.c
-diff --git a/src/northbridge/intel/haswell/native_raminit/ranges.c b/src/northbridge/intel/haswell/native_raminit/ranges.c
-new file mode 100644
-index 0000000000..cdebc1fa66
---- /dev/null
-+++ b/src/northbridge/intel/haswell/native_raminit/ranges.c
-@@ -0,0 +1,109 @@
-+/* SPDX-License-Identifier: GPL-2.0-or-later */
-+
-+#include <types.h>
-+
-+#include "ranges.h"
-+
-+void linear_record_pass(
-+ struct linear_train_data *const data,
-+ const bool pass,
-+ const int32_t value,
-+ const int32_t start,
-+ const int32_t step)
-+{
-+ /* If this is the first time, initialize all values */
-+ if (value == start) {
-+ /*
-+ * If value passed, create a zero-length region for the current value,
-+ * which may be extended as long as the successive values are passing.
-+ *
-+ * Otherwise, create a zero-length range for the preceding value. This
-+ * range cannot be extended by other passing values, which is desired.
-+ */
-+ data->current.start = start - (pass ? 0 : step);
-+ data->current.end = data->current.start;
-+ data->largest = data->current;
-+ } else if (pass) {
-+ /* If this pass is not contiguous, it belongs to a new region */
-+ if (data->current.end != (value - step))
-+ data->current.start = value;
-+
-+ /* Update end of current region */
-+ data->current.end = value;
-+
-+ /* Update largest region */
-+ if (range_width(data->current) > range_width(data->largest))
-+ data->largest = data->current;
-+ }
-+}
-+
-+void phase_record_pass(
-+ struct phase_train_data *const data,
-+ const bool pass,
-+ const int32_t value,
-+ const int32_t start,
-+ const int32_t step)
-+{
-+ /* If this is the first time, initialize all values */
-+ if (value == start) {
-+ /*
-+ * If value passed, create a zero-length region for the current value,
-+ * which may be extended as long as the successive values are passing.
-+ *
-+ * Otherwise, create a zero-length range for the preceding value. This
-+ * range cannot be extended by other passing values, which is desired.
-+ */
-+ data->current.start = start - (pass ? 0 : step);
-+ data->current.end = data->current.start;
-+ data->largest = data->current;
-+ data->initial = data->current;
-+ return;
-+ }
-+ if (!pass)
-+ return;
-+
-+ /* Update initial region */
-+ if (data->initial.end == (value - step))
-+ data->initial.end = value;
-+
-+ /* If this pass is not contiguous, it belongs to a new region */
-+ if (data->current.end != (value - step))
-+ data->current.start = value;
-+
-+ /* Update end of current region */
-+ data->current.end = value;
-+
-+ /* Update largest region */
-+ if (range_width(data->current) > range_width(data->largest))
-+ data->largest = data->current;
-+}
-+
-+void phase_append_initial_to_current(
-+ struct phase_train_data *const data,
-+ const int32_t start,
-+ const int32_t step)
-+{
-+ /* If initial region is valid and does not overlap, append it */
-+ if (data->initial.start == start && data->initial.end != data->current.end)
-+ data->current.end += step + range_width(data->initial);
-+
-+ /* Update largest region */
-+ if (range_width(data->current) > range_width(data->largest))
-+ data->largest = data->current;
-+}
-+
-+void phase_append_current_to_initial(
-+ struct phase_train_data *const data,
-+ const int32_t start,
-+ const int32_t step)
-+{
-+ /* If initial region is valid and does not overlap, append it */
-+ if (data->initial.start == start && data->initial.end != data->current.end) {
-+ data->initial.start -= (step + range_width(data->current));
-+ data->current = data->initial;
-+ }
-+
-+ /* Update largest region */
-+ if (range_width(data->current) > range_width(data->largest))
-+ data->largest = data->current;
-+}
-diff --git a/src/northbridge/intel/haswell/native_raminit/ranges.h b/src/northbridge/intel/haswell/native_raminit/ranges.h
-new file mode 100644
-index 0000000000..235392df96
---- /dev/null
-+++ b/src/northbridge/intel/haswell/native_raminit/ranges.h
-@@ -0,0 +1,68 @@
-+/* SPDX-License-Identifier: GPL-2.0-or-later */
-+
-+#ifndef HASWELL_RAMINIT_RANGES_H
-+#define HASWELL_RAMINIT_RANGES_H
-+
-+#include <types.h>
-+
-+/*
-+ * Many algorithms shmoo some parameter to determine the largest passing
-+ * range. Provide a common implementation to avoid redundant boilerplate.
-+ */
-+struct passing_range {
-+ int32_t start;
-+ int32_t end;
-+};
-+
-+/* Structure for linear parameters, such as roundtrip delays */
-+struct linear_train_data {
-+ struct passing_range current;
-+ struct passing_range largest;
-+};
-+
-+/*
-+ * Phase ranges are "circular": the first and last indices are contiguous.
-+ * To correctly determine the largest passing range, one has to combine
-+ * the initial range and the current range when processing the last index.
-+ */
-+struct phase_train_data {
-+ struct passing_range initial;
-+ struct passing_range current;
-+ struct passing_range largest;
-+};
-+
-+static inline int32_t range_width(const struct passing_range range)
-+{
-+ return range.end - range.start;
-+}
-+
-+static inline int32_t range_center(const struct passing_range range)
-+{
-+ return range.start + range_width(range) / 2;
-+}
-+
-+void linear_record_pass(
-+ struct linear_train_data *data,
-+ bool pass,
-+ int32_t value,
-+ int32_t start,
-+ int32_t step);
-+
-+void phase_record_pass(
-+ struct phase_train_data *data,
-+ bool pass,
-+ int32_t value,
-+ int32_t start,
-+ int32_t step);
-+
-+void phase_append_initial_to_current(
-+ struct phase_train_data *data,
-+ int32_t start,
-+ int32_t step);
-+
-+void phase_append_current_to_initial(
-+ struct phase_train_data *data,
-+ int32_t start,
-+ int32_t step);
-+
-+#endif
---
-2.39.2
-
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-01 07:24:12 +0000