--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/loadtools/ltflash.c	Sun Jun 23 20:13:59 2013 +0000
@@ -0,0 +1,116 @@
+/*
+ * In this module we are going to implement the flash operation commands
+ * of fc-loadtool.
+ */
+
+#include <sys/types.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <string.h>
+#include <strings.h>
+#include <stdlib.h>
+#include "flash.h"
+
+/* S{29,71}PL129N device description */
+
+static struct flash_region_desc pl129n_ce1_regions[] = {
+	/* 4 sectors of 64 KiB each at the beginning, then 256 KiB sectors */
+	{0x10000, 4},
+	{0x40000, 31},
+	{0, 0}		/* array terminator */
+};
+
+static struct flash_region_desc pl129n_ce2_regions[] = {
+	/* the other way around now */
+	{0x40000, 31},
+	{0x10000, 4},
+	{0, 0}		/* array terminator */
+};
+
+static struct flash_bank_desc pl129n_banks[2] = {
+	{pl129n_ce1_regions, 0xFFFC0000},
+	{pl129n_ce2_regions, 0xFFFC0000}
+};
+
+/* list of supported flash devices */
+
+struct flash_device_desc flash_device_list[] = {
+	{"pl129n", pl129n_banks, 2},
+	{0, 0, 0}	/* array terminator */
+};
+
+/* the following variables describe our selected flash device */
+
+struct flash_device_desc *selected_flash_device;
+struct flash_bank_info flash_bank_info[2];
+
+/* called from hwparam.c config file parser */
+void
+set_flash_device(arg, filename_for_errs, lineno_for_errs)
+	char *arg;
+	char *filename_for_errs;
+	int lineno_for_errs;
+{
+	char *cp, *np, *ep;
+	struct flash_device_desc *tp;
+	int bank;
+
+	if (selected_flash_device) {
+		fprintf(stderr, "%s line %d: duplicate flash setting\n",
+			filename_for_errs, lineno_for_errs);
+		exit(1);
+	}
+	for (cp = arg; isspace(*cp); cp++)
+		;
+	if (!*cp || *cp == '#') {
+too_few_arg:	fprintf(stderr,
+			"%s line %d: flash setting: too few arguments\n",
+			filename_for_errs, lineno_for_errs);
+		exit(1);
+	}
+	for (np = cp; *cp && !isspace(*cp); cp++)
+		;
+	if (*cp)
+		*cp++ = '\0';
+	for (tp = flash_device_list; tp->name; tp++)
+		if (!strcmp(tp->name, np))
+			break;
+	if (!tp->name) {
+		fprintf(stderr,
+			"%s line %d: unknown flash device \"%s\"\n",
+			filename_for_errs, lineno_for_errs, np);
+		exit(1);
+	}
+	selected_flash_device = tp;
+
+	/* now initialize flash_bank_info */
+	for (bank = 0; bank < selected_flash_device->nbanks; bank++) {
+		while (isspace(*cp))
+			cp++;
+		if (!*cp || *cp == '#')
+			goto too_few_arg;
+		for (np = cp; *cp && !isspace(*cp); cp++)
+			;
+		if (*cp)
+			*cp++ = '\0';
+		flash_bank_info[bank].base_addr = strtoul(np, &ep, 16);
+		if (*ep) {
+			fprintf(stderr,
+"%s line %d: syntax error (base addr expected after flash device type)\n",
+				filename_for_errs, lineno_for_errs);
+			exit(1);
+		}
+		/* the rest comes from the flash device type */
+		flash_bank_info[bank].bank_desc =
+				selected_flash_device->bank_desc + bank;
+		/* TODO: call function to init total_size and nsectors */
+	}
+	while (isspace(*cp))
+		cp++;
+	if (*cp && *cp != '#') {
+		fprintf(stderr,
+			"%s line %d: flash setting: too many arguments\n",
+			filename_for_errs, lineno_for_errs);
+		exit(1);
+	}
+}