sunxi-tools/script_uboot.c
2012-09-29 18:42:17 +02:00

109 lines
2.8 KiB
C

/*
* Copyright (C) 2012 Alejandro Mery <amery@geeks.cl>
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "common.h"
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include "script.h"
#include "script_uboot.h"
#define pr_info(...) errf("fexc-uboot: " __VA_ARGS__)
#define pr_err(...) errf("E: fexc-uboot: " __VA_ARGS__)
#ifdef DEBUG
#define pr_debug(...) errf("D: fexc-uboot: " __VA_ARGS__)
#else
#define pr_debug(...)
#endif
static inline void out_dram_member(FILE *out, const char *key, uint32_t val)
{
const char *fmt;
if (strncmp(key, "tpr", 3) == 0 ||
strncmp(key, "emr", 3) == 0)
fmt = "\t.%s = %#x,\n";
else
fmt = "\t.%s = %u,\n";
fprintf(out, fmt, key, val);
}
static int generate_dram_struct(FILE *out, struct script_section *sp)
{
struct list_entry *le;
struct script_entry *ep;
struct script_single_entry *val;
const char *key;
int ret = 1;
fprintf(out, "struct dram_para para = {\n");
for (le = list_first(&sp->entries); le;
le = list_next(&sp->entries, le)) {
ep = container_of(le, struct script_entry, entries);
if (strncmp(ep->name, "dram_", 5) != 0)
goto invalid_field;
key = ep->name + 5;
if (strcmp(key, "") == 0)
goto invalid_field;
else if (strcmp(key, "baseaddr") == 0)
continue; /* skip */
else if (strcmp(key, "clk") == 0)
key = "clock";
switch (ep->type) {
case SCRIPT_VALUE_TYPE_SINGLE_WORD:
val = container_of(ep, struct script_single_entry, entry);
if (val->value > 0)
out_dram_member(out, key, val->value);
/* pass through */
case SCRIPT_VALUE_TYPE_NULL:
continue;
default:
invalid_field:
pr_err("dram_para: %s: invalid field\n", ep->name);
ret = 0;
}
}
fprintf(out, "};\n");
return ret;
}
int script_generate_uboot(FILE *out, const char *UNUSED(filename),
struct script *script)
{
struct script_section *section;
const char *section_name;
fprintf(out, "/* this file is generated, don't edit it yourself */\n\n");
section_name = "dram_para";
section = script_find_section(script, section_name);
if (!section)
goto missing_section;
generate_dram_struct(out, section);
return 1;
missing_section:
pr_err("%s: critical section missing", section_name);
return 0;
}