[U-Boot] [PATCH] tools: unused code removal mpc86x_clk.c
Prafulla Wadaskar
prafulla at marvell.com
Mon Aug 10 17:24:39 CEST 2009
It is observed that tools/mpc86x_clk.c is not referred anywhere
the build entry was commented in Makefile,
all the references related to this file are removed
Signed-off-by: Prafulla Wadaskar <prafulla at marvell.com>
---
tools/Makefile | 10 ---
tools/mpc86x_clk.c | 218 ----------------------------------------------------
2 files changed, 0 insertions(+), 228 deletions(-)
delete mode 100644 tools/mpc86x_clk.c
diff --git a/tools/Makefile b/tools/Makefile
index 6f36f23..7036b34 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -102,12 +102,6 @@ OBJ_FILES-$(CONFIG_NETCONSOLE) += ncb.o
OBJ_FILES-y += os_support.o
OBJ_FILES-$(CONFIG_SHA1_CHECK_UB_IMG) += ubsha1.o
-# Don't build by default
-#ifeq ($(ARCH),ppc)
-#BIN_FILES-y += mpc86x_clk$(SFX)
-#OBJ_FILES-y += mpc86x_clk.o
-#endif
-
# Flattened device tree objects
LIBFDT_OBJ_FILES-y += fdt.o
LIBFDT_OBJ_FILES-y += fdt_ro.o
@@ -188,10 +182,6 @@ $(obj)mkimage$(SFX): $(obj)crc32.o $(obj)mkimage.o $(obj)image.o $(obj)md5.o $(o
$(CC) $(CFLAGS) $(HOST_LDFLAGS) -o $@ $^
$(STRIP) $@
-$(obj)mpc86x_clk$(SFX): $(obj)mpc86x_clk.o
- $(CC) $(CFLAGS) $(HOST_LDFLAGS) -o $@ $^
- $(STRIP) $@
-
$(obj)ncb$(SFX): $(obj)ncb.o
$(CC) $(CFLAGS) $(HOST_LDFLAGS) -o $@ $^
$(STRIP) $@
diff --git a/tools/mpc86x_clk.c b/tools/mpc86x_clk.c
deleted file mode 100644
index 8dfbd4e..0000000
--- a/tools/mpc86x_clk.c
+++ /dev/null
@@ -1,218 +0,0 @@
-/*
- * (C) Copyright 2003 Intracom S.A.
- * Pantelis Antoniou <panto at intracom.gr>
- *
- * This little program makes an exhaustive search for the
- * correct terms of pdf, mfi, mfn, mfd, s, dbrmo, in PLPRCR.
- * The goal is to produce a gclk2 from a xin input, while respecting
- * all the restrictions on their combination.
- *
- * Generaly you select the first row of the produced table.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-
-#include <stdio.h>
-#include <stdlib.h>
-
-#define DPREF_MIN 10000000
-#define DPREF_MAX 32000000
-
-#define DPGDCK_MAX 320000000
-#define DPGDCK_MIN 160000000
-
-#define S_MIN 0
-#define S_MAX 2
-
-#define MFI_MIN 5
-#define MFI_MAX 15
-
-#define MFN_MIN 0
-#define MFN_MAX 15
-
-#define MFD_MIN 0
-#define MFD_MAX 31
-
-#define MF_MIN 5
-#define MF_MAX 15
-
-#define PDF_MIN 0
-#define PDF_MAX 15
-
-#define GCLK2_MAX 150000000
-
-static int calculate (int xin, int target_clock,
- int ppm, int pdf, int mfi, int mfn, int mfd, int s,
- int *dprefp, int *dpgdckp, int *jdbckp,
- int *gclk2p, int *dbrmop)
-{
- unsigned int dpref, dpgdck, jdbck, gclk2, t1, t2, dbrmo;
-
- /* valid MFI? */
- if (mfi < MFI_MIN)
- return -1;
-
- /* valid num, denum? */
- if (mfn > 0 && mfn >= mfd)
- return -1;
-
- dpref = xin / (pdf + 1);
-
- /* valid dpef? */
- if (dpref < DPREF_MIN || dpref > DPREF_MAX)
- return -1;
-
- if (mfn == 0) {
- dpgdck = (2 * mfi * xin) / (pdf + 1) ;
- dbrmo = 0;
- } else {
- /* 5 <= mfi + (mfn / mfd + 1) <= 15 */
- t1 = mfd + 1;
- t2 = mfi * t1 + mfn;
- if ( MF_MIN * t1 > t2 || MF_MAX * t1 < t2)
- return -1;
-
- dpgdck = (unsigned int)(2 * (mfi * mfd + mfi + mfn) *
- (unsigned int)xin) /
- ((mfd + 1) * (pdf + 1));
-
- dbrmo = 10 * mfn < (mfd + 1);
- }
-
- /* valid dpgclk? */
- if (dpgdck < DPGDCK_MIN || dpgdck > DPGDCK_MAX)
- return -1;
-
- jdbck = dpgdck >> s;
- gclk2 = jdbck / 2;
-
- /* valid gclk2 */
- if (gclk2 > GCLK2_MAX)
- return -1;
-
- t1 = abs(gclk2 - target_clock);
-
- /* XXX max 1MHz dev. in clock */
- if (t1 > 1000000)
- return -1;
-
- /* dev within range (XXX gclk2 scaled to avoid overflow) */
- if (t1 * 1000 > (unsigned int)ppm * (gclk2 / 1000))
- return -1;
-
- *dprefp = dpref;
- *dpgdckp = dpgdck;
- *jdbckp = jdbck;
- *gclk2p = gclk2;
- *dbrmop = dbrmo;
-
- return gclk2;
-}
-
-int conf_clock(int xin, int target_clock, int ppm)
-{
- int pdf, s, mfn, mfd, mfi;
- int dpref, dpgdck, jdbck, gclk2, xout, dbrmo;
- int found = 0;
-
- /* integer multipliers */
- for (pdf = PDF_MIN; pdf <= PDF_MAX; pdf++) {
- for (mfi = MFI_MIN; mfi <= MFI_MAX; mfi++) {
- for (s = 0; s <= S_MAX; s++) {
- xout = calculate(xin, target_clock,
- ppm, pdf, mfi, 0, 0, s,
- &dpref, &dpgdck, &jdbck,
- &gclk2, &dbrmo);
- if (xout < 0)
- continue;
-
- if (found == 0) {
- printf("pdf mfi mfn mfd s dbrmo dpref dpgdck jdbck gclk2 exact?\n");
- printf("--- --- --- --- - ----- ----- ------ ----- ----- ------\n");
- }
-
- printf("%3d %3d --- --- %1d %5d %9d %9d %9d %9d%s\n",
- pdf, mfi, s, dbrmo,
- dpref, dpgdck, jdbck, gclk2,
- gclk2 == target_clock ? " YES" : "");
-
- found++;
- }
- }
- }
-
- /* fractional multipliers */
- for (pdf = PDF_MIN; pdf <= PDF_MAX; pdf++) {
- for (mfi = MFI_MIN; mfi <= MFI_MAX; mfi++) {
- for (mfn = 1; mfn <= MFN_MAX; mfn++) {
- for (mfd = 1; mfd <= MFD_MAX; mfd++) {
- for (s = 0; s <= S_MAX; s++) {
- xout = calculate(xin, target_clock,
- ppm, pdf, mfi, mfn, mfd, s,
- &dpref, &dpgdck, &jdbck,
- &gclk2, &dbrmo);
- if (xout < 0)
- continue;
-
- if (found == 0) {
- printf("pdf mfi mfn mfd s dbrmo dpref dpgdck jdbck gclk2 exact?\n");
- printf("--- --- --- --- - ----- ----- ------ ----- ----- ------\n");
- }
-
- printf("%3d %3d %3d %3d %1d %5d %9d %9d %9d %9d%s\n",
- pdf, mfi, mfn, mfd, s,
- dbrmo, dpref, dpgdck, jdbck, gclk2,
- gclk2 == target_clock ? " YES" : "");
-
- found++;
- }
- }
- }
-
- }
- }
-
- return found;
-}
-
-int main(int argc, char *argv[])
-{
- int xin, want_gclk2, found, ppm = 100;
-
- if (argc < 3) {
- fprintf(stderr, "usage: mpc86x_clk <xin> <want_gclk2> [ppm]\n");
- fprintf(stderr, " default ppm is 100\n");
- return 10;
- }
-
- xin = atoi(argv[1]);
- want_gclk2 = atoi(argv[2]);
- if (argc >= 4)
- ppm = atoi(argv[3]);
-
- found = conf_clock(xin, want_gclk2, ppm);
- if (found <= 0) {
- fprintf(stderr, "cannot produce gclk2 %d from xin %d\n",
- want_gclk2, xin);
- return EXIT_FAILURE;
- }
-
- return EXIT_SUCCESS;
-}
--
1.5.3.3
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