/* * Copyright (C) 2009 Gabor Juhos * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 as published * by the Free Software Foundation. * * This code was based on: * PC1 Cipher Algorithm ( Pukall Cipher 1 ) * By Alexander PUKALL 1991 * free code no restriction to use * please include the name of the Author in the final software * the Key is 128 bits * http://membres.lycos.fr/pc1/ * */ #include #include #include #include #include /* for unlink() */ #include #include /* for getopt() */ #include #include #include struct pc1_ctx { unsigned short ax; unsigned short bx; unsigned short cx; unsigned short dx; unsigned short si; unsigned short tmp; unsigned short x1a2; unsigned short x1a0[8]; unsigned short res; unsigned short i; unsigned short inter; unsigned short cfc; unsigned short cfd; unsigned short compte; unsigned char cle[17]; short c; }; static void pc1_finish(struct pc1_ctx *pc1) { /* erase all variables */ memset(pc1, 0, sizeof(struct pc1_ctx)); } static void pc1_code(struct pc1_ctx *pc1) { pc1->dx = pc1->x1a2 + pc1->i; pc1->ax = pc1->x1a0[pc1->i]; pc1->cx = 0x015a; pc1->bx = 0x4e35; pc1->tmp = pc1->ax; pc1->ax = pc1->si; pc1->si = pc1->tmp; pc1->tmp = pc1->ax; pc1->ax = pc1->dx; pc1->dx = pc1->tmp; if (pc1->ax != 0) { pc1->ax = pc1->ax * pc1->bx; } pc1->tmp = pc1->ax; pc1->ax = pc1->cx; pc1->cx = pc1->tmp; if (pc1->ax != 0) { pc1->ax = pc1->ax * pc1->si; pc1->cx = pc1->ax + pc1->cx; } pc1->tmp = pc1->ax; pc1->ax = pc1->si; pc1->si = pc1->tmp; pc1->ax = pc1->ax * pc1->bx; pc1->dx = pc1->cx + pc1->dx; pc1->ax = pc1->ax + 1; pc1->x1a2 = pc1->dx; pc1->x1a0[pc1->i] = pc1->ax; pc1->res = pc1->ax ^ pc1->dx; pc1->i = pc1->i + 1; } static void pc1_assemble(struct pc1_ctx *pc1) { pc1->x1a0[0] = (pc1->cle[0] * 256) + pc1->cle[1]; pc1_code(pc1); pc1->inter = pc1->res; pc1->x1a0[1] = pc1->x1a0[0] ^ ((pc1->cle[2]*256) + pc1->cle[3]); pc1_code(pc1); pc1->inter = pc1->inter ^ pc1->res; pc1->x1a0[2] = pc1->x1a0[1] ^ ((pc1->cle[4]*256) + pc1->cle[5]); pc1_code(pc1); pc1->inter = pc1->inter ^ pc1->res; pc1->x1a0[3] = pc1->x1a0[2] ^ ((pc1->cle[6]*256) + pc1->cle[7]); pc1_code(pc1); pc1->inter = pc1->inter ^ pc1->res; pc1->x1a0[4] = pc1->x1a0[3] ^ ((pc1->cle[8]*256) + pc1->cle[9]); pc1_code(pc1); pc1->inter = pc1->inter ^ pc1->res; pc1->x1a0[5] = pc1->x1a0[4] ^ ((pc1->cle[10]*256) + pc1->cle[11]); pc1_code(pc1); pc1->inter = pc1->inter ^ pc1->res; pc1->x1a0[6] = pc1->x1a0[5] ^ ((pc1->cle[12]*256) + pc1->cle[13]); pc1_code(pc1); pc1->inter = pc1->inter ^ pc1->res; pc1->x1a0[7] = pc1->x1a0[6] ^ ((pc1->cle[14]*256) + pc1->cle[15]); pc1_code(pc1); pc1->inter = pc1->inter ^ pc1->res; pc1->i = 0; } static unsigned char pc1_decrypt(struct pc1_ctx *pc1, short c) { pc1_assemble(pc1); pc1->cfc = pc1->inter >> 8; pc1->cfd = pc1->inter & 255; /* cfc^cfd = random byte */ c = c ^ (pc1->cfc ^ pc1->cfd); for (pc1->compte = 0; pc1->compte <= 15; pc1->compte++) { /* we mix the plaintext byte with the key */ pc1->cle[pc1->compte] = pc1->cle[pc1->compte] ^ c; } return c; } static unsigned char pc1_encrypt(struct pc1_ctx *pc1, short c) { pc1_assemble(pc1); pc1->cfc = pc1->inter >> 8; pc1->cfd = pc1->inter & 255; /* cfc^cfd = random byte */ for (pc1->compte = 0; pc1->compte <= 15; pc1->compte++) { /* we mix the plaintext byte with the key */ pc1->cle[pc1->compte] = pc1->cle[pc1->compte] ^ c; } c = c ^ (pc1->cfc ^ pc1->cfd); return c; } static void pc1_init(struct pc1_ctx *pc1) { memset(pc1, 0, sizeof(struct pc1_ctx)); /* ('Remsaalps!123456') is the key used, you can change it */ strcpy(pc1->cle, "Remsaalps!123456"); } static void pc1_decrypt_buf(struct pc1_ctx *pc1, unsigned char *buf, unsigned len) { unsigned i; for (i = 0; i < len; i++) buf[i] = pc1_decrypt(pc1, buf[i]); } static void pc1_encrypt_buf(struct pc1_ctx *pc1, unsigned char *buf, unsigned len) { unsigned i; for (i = 0; i < len; i++) buf[i] = pc1_encrypt(pc1, buf[i]); } /* * Globals */ static char *ifname; static char *progname; static char *ofname; static int decrypt; /* * Message macros */ #define ERR(fmt, ...) do { \ fflush(0); \ fprintf(stderr, "[%s] *** error: " fmt "\n", \ progname, ## __VA_ARGS__ ); \ } while (0) #define ERRS(fmt, ...) do { \ int save = errno; \ fflush(0); \ fprintf(stderr, "[%s] *** error: " fmt ": %s\n", \ progname, ## __VA_ARGS__, strerror(save)); \ } while (0) void usage(int status) { FILE *stream = (status != EXIT_SUCCESS) ? stderr : stdout; struct board_info *board; fprintf(stream, "Usage: %s [OPTIONS...]\n", progname); fprintf(stream, "\n" "Options:\n" " -d decrypt instead of encrypt" " -i read input from the file \n" " -o write output to the file \n" " -h show this screen\n" ); exit(status); } #define BUFSIZE (64 * 1024) int main(int argc, char *argv[]) { struct pc1_ctx pc1; int res = EXIT_FAILURE; int err; struct stat st; char *buf; unsigned total; FILE *outfile, *infile; progname = basename(argv[0]); while ( 1 ) { int c; c = getopt(argc, argv, "di:o:h"); if (c == -1) break; switch (c) { case 'd': decrypt = 1; break; case 'i': ifname = optarg; break; case 'o': ofname = optarg; break; case 'h': usage(EXIT_SUCCESS); break; default: usage(EXIT_FAILURE); break; } } if (ifname == NULL) { ERR("no input file specified"); goto err; } if (ofname == NULL) { ERR("no output file specified"); goto err; } err = stat(ifname, &st); if (err){ ERRS("stat failed on %s", ifname); goto err; } total = st.st_size; buf = malloc(BUFSIZE); if (!buf) { ERR("no memory for buffer\n"); goto err; } infile = fopen(ifname, "r"); if (infile == NULL) { ERRS("could not open \"%s\" for reading", ifname); goto err_free; } outfile = fopen(ofname, "w"); if (outfile == NULL) { ERRS("could not open \"%s\" for writing", ofname); goto err_close_in; } pc1_init(&pc1); while (total > 0) { unsigned datalen; if (total > BUFSIZE) datalen = BUFSIZE; else datalen = total; errno = 0; fread(buf, datalen, 1, infile); if (errno != 0) { ERRS("unable to read from file %s", ifname); goto err_close_out; } if (decrypt) pc1_decrypt_buf(&pc1, buf, datalen); else pc1_encrypt_buf(&pc1, buf, datalen); errno = 0; fwrite(buf, datalen, 1, outfile); if (errno) { ERRS("unable to write to file %s", ofname); goto err_close_out; } total -= datalen; } pc1_finish(&pc1); res = EXIT_SUCCESS; out_flush: fflush(outfile); err_close_out: fclose(outfile); if (res != EXIT_SUCCESS) { unlink(ofname); } err_close_in: fclose(infile); err_free: free(buf); err: return res; } href='#n99'>99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 
From 43b9a7c9b903302c56d0a1d292a146dbf4de8e49 Mon Sep 17 00:00:00 2001
From: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Date: Mon, 12 Aug 2013 01:17:08 +0200
Subject: tools: lantiq: add NAND SPL support

Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>

--- a/tools/ltq-boot-image.c
+++ b/tools/ltq-boot-image.c
@@ -14,7 +14,8 @@
 
 enum image_types {
 	IMAGE_NONE,
-	IMAGE_SFSPL
+	IMAGE_SFSPL,
+	IMAGE_NANDSPL
 };
 
 /* Lantiq non-volatile bootstrap command IDs */
@@ -43,6 +44,8 @@ enum nvb_cmd_flags {
 struct args {
 	enum image_types type;
 	__u32		entry_addr;
+	off_t		uboot_offset;
+	unsigned int	page_size;
 	const char	*uboot_bin;
 	const char	*spl_bin;
 	const char	*out_bin;
@@ -50,10 +53,11 @@ struct args {
 
 static void usage_msg(const char *name)
 {
-	fprintf(stderr, "%s: [-h] -t type -e entry-addr -u uboot-bin [-s spl-bin] -o out-bin\n",
+	fprintf(stderr, "%s: [-h] -t type -e entry-addr [-x uboot-offset] [-p page-size] -u uboot-bin [-s spl-bin] -o out-bin\n",
 		name);
 	fprintf(stderr, " Image types:\n"
-			"  sfspl  - SPL + [compressed] U-Boot for SPI flash\n");
+			"  sfspl   - SPL + [compressed] U-Boot for SPI flash\n"
+			"  nandspl - SPL + [compressed] U-Boot for NAND flash\n");
 }
 
 static enum image_types parse_image_type(const char *type)
@@ -64,6 +68,9 @@ static enum image_types parse_image_type
 	if (!strncmp(type, "sfspl", 6))
 		return IMAGE_SFSPL;
 
+	if (!strncmp(type, "nandspl", 6))
+		return IMAGE_NANDSPL;
+
 	return IMAGE_NONE;
 }
 
@@ -73,7 +80,7 @@ static int parse_args(int argc, char *ar
 
 	memset(arg, 0, sizeof(*arg));
 
-	while ((opt = getopt(argc, argv, "ht:e:u:s:o:")) != -1) {
+	while ((opt = getopt(argc, argv, "ht:e:x:p:u:s:o:")) != -1) {
 		switch (opt) {
 		case 'h':
 			usage_msg(argv[0]);
@@ -84,6 +91,12 @@ static int parse_args(int argc, char *ar
 		case 'e':
 			arg->entry_addr = strtoul(optarg, NULL, 16);
 			break;
+		case 'x':
+			arg->uboot_offset = strtoul(optarg, NULL, 16);
+			break;
+		case 'p':
+			arg->page_size = strtoul(optarg, NULL, 10);
+			break;
 		case 'u':
 			arg->uboot_bin = optarg;
 			break;
@@ -114,11 +127,22 @@ static int parse_args(int argc, char *ar
 		goto parse_error;
 	}
 
-	if (arg->type == IMAGE_SFSPL && !arg->spl_bin) {
+	if ((arg->type == IMAGE_SFSPL || arg->type == IMAGE_NANDSPL) &&
+		!arg->spl_bin) {
 		fprintf(stderr, "Missing SPL binary\n");
 		goto parse_error;
 	}
 
+	if (arg->type == IMAGE_NANDSPL && !arg->uboot_offset) {
+		fprintf(stderr, "Missing U-Boot offset\n");
+		goto parse_error;
+	}
+
+	if (arg->type == IMAGE_NANDSPL && !arg->page_size) {
+		fprintf(stderr, "Missing NAND page size\n");
+		goto parse_error;
+	}
+
 	return 0;
 
 parse_error:
@@ -174,6 +198,19 @@ static int write_nvb_start_header(int fd
 	return write_header(fd, hdr, sizeof(hdr));
 }
 
+#if 0
+static int write_nvb_regcfg_header(int fd, __u32 addr)
+{
+	__u32 hdr[2];
+
+	hdr[0] = build_nvb_command(NVB_CMD_REGCFG, NVB_FLAG_SDBG |
+					NVB_FLAG_DBG);
+	hdr[1] = cpu_to_be32(addr);
+
+	return write_header(fd, hdr, sizeof(hdr));
+}
+#endif
+
 static int open_input_bin(const char *name, void **ptr, size_t *size)
 {
 	struct stat sbuf;
@@ -238,9 +275,37 @@ static int open_output_bin(const char *n
 	return fd;
 }
 
-static int create_sfspl(const struct args *arg)
+static int pad_to_offset(int fd, off_t offset)
 {
-	int out_fd, uboot_fd, spl_fd, ret;
+	off_t pos;
+	size_t size;
+	ssize_t n;
+	__u8 *buf;
+
+	pos = lseek(fd, 0, SEEK_CUR);
+	size = offset - pos;
+
+	buf = malloc(size);
+	if (!buf) {
+		fprintf(stderr, "Failed to malloc buffer\n");
+		return -1;
+	}
+
+	memset(buf, 0xff, size);
+	n = write(fd, buf, size);
+	free(buf);
+
+	if (n != size) {
+		fprintf(stderr, "Failed to write pad bytes\n");
+		return -1;
+	}
+
+	return 0;
+}
+
+static int create_spl_image(const struct args *arg)
+{
+	int out_fd, uboot_fd, spl_fd, ret = 0;
 	void *uboot_ptr, *spl_ptr;
 	size_t uboot_size, spl_size;
 
@@ -256,9 +321,22 @@ static int create_sfspl(const struct arg
 	if (0 > uboot_fd)
 		goto err_uboot;
 
+#if 0
+	ret = write_nvb_regcfg_header(out_fd, 0);
+	if (ret)
+		goto err_write;
+#endif
+
 	ret = write_nvb_dwnld_header(out_fd, spl_size, arg->entry_addr);
 	if (ret)
 		goto err_write;
+#if 0
+	if (arg->page_size) {
+		ret = pad_to_offset(out_fd, arg->page_size);
+		if (ret)
+			goto err_write;
+	}
+#endif
 
 	ret = copy_bin(out_fd, spl_ptr, spl_size);
 	if (ret)
@@ -268,16 +346,16 @@ static int create_sfspl(const struct arg
 	if (ret)
 		goto err_write;
 
+	if (arg->uboot_offset) {
+		ret = pad_to_offset(out_fd, arg->uboot_offset);
+		if (ret)
+			goto err_write;
+	}
+
 	ret = copy_bin(out_fd, uboot_ptr, uboot_size);
 	if (ret)
 		goto err_write;
 
-	close_input_bin(uboot_fd, uboot_ptr, uboot_size);
-	close_input_bin(spl_fd, spl_ptr, spl_size);
-	close(out_fd);
-
-	return 0;
-
 err_write:
 	close_input_bin(uboot_fd, uboot_ptr, uboot_size);
 err_uboot:
@@ -285,7 +363,7 @@ err_uboot:
 err_spl:
 	close(out_fd);
 err:
-	return -1;
+	return ret;
 }
 
 int main(int argc, char *argv[])
@@ -299,7 +377,8 @@ int main(int argc, char *argv[])
 
 	switch (arg.type) {
 	case IMAGE_SFSPL:
-		ret = create_sfspl(&arg);
+	case IMAGE_NANDSPL:
+		ret = create_spl_image(&arg);
 		break;
 	default:
 		fprintf(stderr, "Image type not implemented\n");
generated by cgit v1.2.3 (git 2.25.1) at 2025-09-25 06:45:42 +0000