tools: remove mpc86x_clk tool

This is commented out in the Makefile for more than 10 years.
I assume it is proof that this tool is unused.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Pantelis Antoniou <panto@intracom.gr>

diff --git a/tools/.gitignore b/tools/.gitignore
index 9bc9fecf7b52cf5b67dd7b51c20dd34e5f62da4f..eb1a27e36d4b7bd319ebdada7e4c467e76601d55 100644 (file)
--- a/tools/.gitignore
+++ b/tools/.gitignore
@@ -11,7 +11,6 @@
 /mkenvimage
 /mkimage
 /mkexynosspl
-/mpc86x_clk
 /mxsboot
 /mksunxiboot
 /ncb

diff --git a/tools/Makefile b/tools/Makefile
index db55bcfab1919f614859e1b06de52382bd7ed8f3..f673258bad5730adda711ec330439d3783d4cb33 100644 (file)
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -167,10 +167,6 @@ HOSTCFLAGS_md5.o := -pedantic
 HOSTCFLAGS_sha1.o := -pedantic
 HOSTCFLAGS_sha256.o := -pedantic
 
-# Don't build by default
-#hostprogs-$(CONFIG_PPC) += mpc86x_clk
-#HOSTCFLAGS_mpc86x_clk.o := -pedantic
-
 quiet_cmd_wrap = WRAP    $@
 cmd_wrap = echo "\#include <../$(patsubst $(obj)/%,%,$@)>" >$@
 

diff --git a/tools/mpc86x_clk.c b/tools/mpc86x_clk.c
deleted file mode 100644 (file)
index 9f662f7..0000000
--- a/tools/mpc86x_clk.c
+++ /dev/null
@@ -1,202 +0,0 @@
-/*
- * (C) Copyright 2003 Intracom S.A.
- * Pantelis Antoniou <panto@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.
- *
- * SPDX-License-Identifier:    GPL-2.0+
- */
-
-
-#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;
-}