From 037e16396df671074fca9e0348626b724d2c2960 Mon Sep 17 00:00:00 2001 From: Joel Sherrill Date: Wed, 9 Aug 2006 21:05:32 +0000 Subject: 2006-08-09 Kolja Waschk * configure.ac: New port to Altera NIOS II. * nios2/.cvsignore, nios2/Makefile.am, nios2/README, nios2/bridges.c, nios2/bridges.h, nios2/clocks.c, nios2/clocks.h, nios2/configure.ac, nios2/devices.c, nios2/devices.h, nios2/nios2gen.c, nios2/output.c, nios2/output.h, nios2/ptf.c, nios2/ptf.h: New files. --- tools/cpu/nios2/clocks.c | 78 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 78 insertions(+) create mode 100644 tools/cpu/nios2/clocks.c (limited to 'tools/cpu/nios2/clocks.c') diff --git a/tools/cpu/nios2/clocks.c b/tools/cpu/nios2/clocks.c new file mode 100644 index 0000000000..ac0f85cb4d --- /dev/null +++ b/tools/cpu/nios2/clocks.c @@ -0,0 +1,78 @@ +/* + * Copyright (c) 2006 Kolja Waschk rtemsdev/ixo.de + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.com/license/LICENSE. + * + * $Id$ + */ + +#include "ptf.h" +#include "clocks.h" + +#include + +void add_clock_spec(struct ptf_item *pi, void *arg) +{ + clock_desc **clocks = arg; + clock_desc *new_clock; + unsigned long freq; + + new_clock = (clock_desc*)malloc(sizeof(clock_desc)); + if(new_clock == NULL) return; + + new_clock->freq = strtoul(pi->item[pi->level]->value, 0, 0); + printf("freq = %lu (%s?)\n", new_clock->freq, pi->item[pi->level]->value); + + new_clock->cfgname = NULL; + new_clock->name = pi->item[pi->level-1]->value; + new_clock->next = *clocks; + + + *clocks = new_clock; +} + +void set_clock_cfgname(struct ptf_item *pi, void *arg) +{ + clock_desc *clock = arg; + clock->cfgname = pi->item[pi->level]->name; +} + +clock_desc *find_clocks( struct ptf *sopc, struct ptf *cfg ) +{ + clock_desc *clocks, *reverse; + + struct ptf system = { section, "SYSTEM", 0, 0, 0 }; + struct ptf wizargs = { section, "WIZARD_SCRIPT_ARGUMENTS", 0, 0, 0 }; + struct ptf all = { section, "CLOCKS", 0, 0, 0 }; + struct ptf clock = { section, "CLOCK", 0, 0, 0 }; + struct ptf freq = { item, "frequency", 0, 0, 0 }; + struct ptf_item clk_spec = { 5, &system, &wizargs, &all, &clock, &freq }; + + struct ptf named = { item, 0, 0, 0, 0 }; + struct ptf_item clk_cfg = { 2, &all, &named }; + + clocks = NULL; + ptf_match(sopc, &clk_spec, add_clock_spec, &clocks); + + /* Reverse the linked list and look for configured names */ + + reverse = NULL; + while(clocks) + { + clock_desc *tmp = clocks; + clocks = clocks->next; + tmp->next = reverse; + reverse = tmp; + + named.value = tmp->name; + ptf_match(cfg, &clk_cfg, set_clock_cfgname, tmp); + if(tmp->cfgname == NULL) tmp->cfgname = ptf_defused_name(tmp->name); + }; + + return reverse; +} + + + -- cgit v1.2.3