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authorJoel Sherrill <joel.sherrill@OARcorp.com>2006-08-09 21:05:32 +0000
committerJoel Sherrill <joel.sherrill@OARcorp.com>2006-08-09 21:05:32 +0000
commit037e16396df671074fca9e0348626b724d2c2960 (patch)
tree09dd6fa9a7d56dab4284ef1416fed604dc84965d /tools/cpu/nios2/clocks.c
parent28b8d3afaae1bd6a3ecd1f3017faf23c08937526 (diff)
downloadrtems-037e16396df671074fca9e0348626b724d2c2960.tar.bz2
2006-08-09 Kolja Waschk <waschk@telos.de>
* 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.
Diffstat (limited to 'tools/cpu/nios2/clocks.c')
-rw-r--r--tools/cpu/nios2/clocks.c78
1 files changed, 78 insertions, 0 deletions
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 <stdlib.h>
+
+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;
+}
+
+
+