u-boot/tools/imximage.c

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/*
* (C) Copyright 2009
* Stefano Babic, DENX Software Engineering, sbabic@denx.de.
*
* (C) Copyright 2008
* Marvell Semiconductor <www.marvell.com>
* Written-by: Prafulla Wadaskar <prafulla@marvell.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
/* Required to obtain the getline prototype from stdio.h */
#define _GNU_SOURCE
#include "mkimage.h"
#include <image.h>
#include "imximage.h"
/*
* Supported commands for configuration file
*/
static table_entry_t imximage_cmds[] = {
{CMD_BOOT_FROM, "BOOT_FROM", "boot command", },
{CMD_BOOT_OFFSET, "BOOT_OFFSET", "Boot offset", },
{CMD_DATA, "DATA", "Reg Write Data", },
{CMD_IMAGE_VERSION, "IMAGE_VERSION", "image version", },
{-1, "", "", },
};
/*
* Supported Boot options for configuration file
* this is needed to set the correct flash offset
*/
static table_entry_t imximage_bootops[] = {
{FLASH_OFFSET_ONENAND, "onenand", "OneNAND Flash",},
{FLASH_OFFSET_NAND, "nand", "NAND Flash", },
{FLASH_OFFSET_NOR, "nor", "NOR Flash", },
{FLASH_OFFSET_SATA, "sata", "SATA Disk", },
{FLASH_OFFSET_SD, "sd", "SD Card", },
{FLASH_OFFSET_SPI, "spi", "SPI Flash", },
{-1, "", "Invalid", },
};
/*
* IMXIMAGE version definition for i.MX chips
*/
static table_entry_t imximage_versions[] = {
{IMXIMAGE_V1, "", " (i.MX25/35/51 compatible)", },
{IMXIMAGE_V2, "", " (i.MX53/6 compatible)", },
{-1, "", " (Invalid)", },
};
static struct imx_header imximage_header;
static uint32_t imximage_version;
static set_dcd_val_t set_dcd_val;
static set_dcd_rst_t set_dcd_rst;
static set_imx_hdr_t set_imx_hdr;
static uint32_t max_dcd_entries;
static uint32_t *header_size_ptr;
static uint32_t get_cfg_value(char *token, char *name, int linenr)
{
char *endptr;
uint32_t value;
errno = 0;
value = strtoul(token, &endptr, 16);
if (errno || (token == endptr)) {
fprintf(stderr, "Error: %s[%d] - Invalid hex data(%s)\n",
name, linenr, token);
exit(EXIT_FAILURE);
}
return value;
}
static uint32_t detect_imximage_version(struct imx_header *imx_hdr)
{
imx_header_v1_t *hdr_v1 = &imx_hdr->header.hdr_v1;
imx_header_v2_t *hdr_v2 = &imx_hdr->header.hdr_v2;
flash_header_v1_t *fhdr_v1 = &hdr_v1->fhdr;
flash_header_v2_t *fhdr_v2 = &hdr_v2->fhdr;
/* Try to detect V1 */
if ((fhdr_v1->app_code_barker == APP_CODE_BARKER) &&
(hdr_v1->dcd_table.preamble.barker == DCD_BARKER))
return IMXIMAGE_V1;
/* Try to detect V2 */
if ((fhdr_v2->header.tag == IVT_HEADER_TAG) &&
(hdr_v2->dcd_table.header.tag == DCD_HEADER_TAG))
return IMXIMAGE_V2;
return IMXIMAGE_VER_INVALID;
}
static void err_imximage_version(int version)
{
fprintf(stderr,
"Error: Unsupported imximage version:%d\n", version);
exit(EXIT_FAILURE);
}
static void set_dcd_val_v1(struct imx_header *imxhdr, char *name, int lineno,
int fld, uint32_t value, uint32_t off)
{
dcd_v1_t *dcd_v1 = &imxhdr->header.hdr_v1.dcd_table;
switch (fld) {
case CFG_REG_SIZE:
/* Byte, halfword, word */
if ((value != 1) && (value != 2) && (value != 4)) {
fprintf(stderr, "Error: %s[%d] - "
"Invalid register size " "(%d)\n",
name, lineno, value);
exit(EXIT_FAILURE);
}
dcd_v1->addr_data[off].type = value;
break;
case CFG_REG_ADDRESS:
dcd_v1->addr_data[off].addr = value;
break;
case CFG_REG_VALUE:
dcd_v1->addr_data[off].value = value;
break;
default:
break;
}
}
static void set_dcd_val_v2(struct imx_header *imxhdr, char *name, int lineno,
int fld, uint32_t value, uint32_t off)
{
dcd_v2_t *dcd_v2 = &imxhdr->header.hdr_v2.dcd_table;
switch (fld) {
case CFG_REG_ADDRESS:
dcd_v2->addr_data[off].addr = cpu_to_be32(value);
break;
case CFG_REG_VALUE:
dcd_v2->addr_data[off].value = cpu_to_be32(value);
break;
default:
break;
}
}
/*
* Complete setting up the rest field of DCD of V1
* such as barker code and DCD data length.
*/
static void set_dcd_rst_v1(struct imx_header *imxhdr, uint32_t dcd_len,
char *name, int lineno)
{
dcd_v1_t *dcd_v1 = &imxhdr->header.hdr_v1.dcd_table;
dcd_v1->preamble.barker = DCD_BARKER;
dcd_v1->preamble.length = dcd_len * sizeof(dcd_type_addr_data_t);
}
/*
* Complete setting up the reset field of DCD of V2
* such as DCD tag, version, length, etc.
*/
static void set_dcd_rst_v2(struct imx_header *imxhdr, uint32_t dcd_len,
char *name, int lineno)
{
dcd_v2_t *dcd_v2 = &imxhdr->header.hdr_v2.dcd_table;
dcd_v2->header.tag = DCD_HEADER_TAG;
dcd_v2->header.length = cpu_to_be16(
dcd_len * sizeof(dcd_addr_data_t) + 8);
dcd_v2->header.version = DCD_VERSION;
dcd_v2->write_dcd_command.tag = DCD_COMMAND_TAG;
dcd_v2->write_dcd_command.length = cpu_to_be16(
dcd_len * sizeof(dcd_addr_data_t) + 4);
dcd_v2->write_dcd_command.param = DCD_COMMAND_PARAM;
}
static void set_imx_hdr_v1(struct imx_header *imxhdr, uint32_t dcd_len,
uint32_t entry_point, uint32_t flash_offset)
{
imx_header_v1_t *hdr_v1 = &imxhdr->header.hdr_v1;
flash_header_v1_t *fhdr_v1 = &hdr_v1->fhdr;
dcd_v1_t *dcd_v1 = &hdr_v1->dcd_table;
uint32_t hdr_base;
uint32_t header_length = (((char *)&dcd_v1->addr_data[dcd_len].addr)
- ((char *)imxhdr));
/* Set magic number */
fhdr_v1->app_code_barker = APP_CODE_BARKER;
hdr_base = entry_point - sizeof(struct imx_header);
fhdr_v1->app_dest_ptr = hdr_base - flash_offset;
fhdr_v1->app_code_jump_vector = entry_point;
fhdr_v1->dcd_ptr_ptr = hdr_base + offsetof(flash_header_v1_t, dcd_ptr);
fhdr_v1->dcd_ptr = hdr_base + offsetof(imx_header_v1_t, dcd_table);
/* Security feature are not supported */
fhdr_v1->app_code_csf = 0;
fhdr_v1->super_root_key = 0;
header_size_ptr = (uint32_t *)(((char *)imxhdr) + header_length - 4);
}
static void set_imx_hdr_v2(struct imx_header *imxhdr, uint32_t dcd_len,
uint32_t entry_point, uint32_t flash_offset)
{
imx_header_v2_t *hdr_v2 = &imxhdr->header.hdr_v2;
flash_header_v2_t *fhdr_v2 = &hdr_v2->fhdr;
uint32_t hdr_base;
/* Set magic number */
fhdr_v2->header.tag = IVT_HEADER_TAG; /* 0xD1 */
fhdr_v2->header.length = cpu_to_be16(sizeof(flash_header_v2_t));
fhdr_v2->header.version = IVT_VERSION; /* 0x40 */
fhdr_v2->entry = entry_point;
fhdr_v2->reserved1 = fhdr_v2->reserved2 = 0;
fhdr_v2->self = hdr_base = entry_point - sizeof(struct imx_header);
fhdr_v2->dcd_ptr = hdr_base + offsetof(imx_header_v2_t, dcd_table);
fhdr_v2->boot_data_ptr = hdr_base
+ offsetof(imx_header_v2_t, boot_data);
hdr_v2->boot_data.start = hdr_base - flash_offset;
/* Security feature are not supported */
fhdr_v2->csf = 0;
header_size_ptr = &hdr_v2->boot_data.size;
}
static void set_hdr_func(struct imx_header *imxhdr)
{
switch (imximage_version) {
case IMXIMAGE_V1:
set_dcd_val = set_dcd_val_v1;
set_dcd_rst = set_dcd_rst_v1;
set_imx_hdr = set_imx_hdr_v1;
max_dcd_entries = MAX_HW_CFG_SIZE_V1;
break;
case IMXIMAGE_V2:
set_dcd_val = set_dcd_val_v2;
set_dcd_rst = set_dcd_rst_v2;
set_imx_hdr = set_imx_hdr_v2;
max_dcd_entries = MAX_HW_CFG_SIZE_V2;
break;
default:
err_imximage_version(imximage_version);
break;
}
}
static void print_hdr_v1(struct imx_header *imx_hdr)
{
imx_header_v1_t *hdr_v1 = &imx_hdr->header.hdr_v1;
flash_header_v1_t *fhdr_v1 = &hdr_v1->fhdr;
dcd_v1_t *dcd_v1 = &hdr_v1->dcd_table;
uint32_t size, length, ver;
size = dcd_v1->preamble.length;
if (size > (MAX_HW_CFG_SIZE_V1 * sizeof(dcd_type_addr_data_t))) {
fprintf(stderr,
"Error: Image corrupt DCD size %d exceed maximum %d\n",
(uint32_t)(size / sizeof(dcd_type_addr_data_t)),
MAX_HW_CFG_SIZE_V1);
exit(EXIT_FAILURE);
}
length = dcd_v1->preamble.length / sizeof(dcd_type_addr_data_t);
ver = detect_imximage_version(imx_hdr);
printf("Image Type: Freescale IMX Boot Image\n");
printf("Image Ver: %x", ver);
printf("%s\n", get_table_entry_name(imximage_versions, NULL, ver));
printf("Data Size: ");
genimg_print_size(dcd_v1->addr_data[length].type);
printf("Load Address: %08x\n", (uint32_t)fhdr_v1->app_dest_ptr);
printf("Entry Point: %08x\n", (uint32_t)fhdr_v1->app_code_jump_vector);
}
static void print_hdr_v2(struct imx_header *imx_hdr)
{
imx_header_v2_t *hdr_v2 = &imx_hdr->header.hdr_v2;
flash_header_v2_t *fhdr_v2 = &hdr_v2->fhdr;
dcd_v2_t *dcd_v2 = &hdr_v2->dcd_table;
uint32_t size, version;
size = be16_to_cpu(dcd_v2->header.length) - 8;
if (size > (MAX_HW_CFG_SIZE_V2 * sizeof(dcd_addr_data_t))) {
fprintf(stderr,
"Error: Image corrupt DCD size %d exceed maximum %d\n",
(uint32_t)(size / sizeof(dcd_addr_data_t)),
MAX_HW_CFG_SIZE_V2);
exit(EXIT_FAILURE);
}
version = detect_imximage_version(imx_hdr);
printf("Image Type: Freescale IMX Boot Image\n");
printf("Image Ver: %x", version);
printf("%s\n", get_table_entry_name(imximage_versions, NULL, version));
printf("Data Size: ");
genimg_print_size(hdr_v2->boot_data.size);
printf("Load Address: %08x\n", (uint32_t)fhdr_v2->boot_data_ptr);
printf("Entry Point: %08x\n", (uint32_t)fhdr_v2->entry);
}
static void parse_cfg_cmd(struct imx_header *imxhdr, int32_t cmd, char *token,
char *name, int lineno, int fld, int dcd_len)
{
int value;
static int cmd_ver_first = ~0;
switch (cmd) {
case CMD_IMAGE_VERSION:
imximage_version = get_cfg_value(token, name, lineno);
if (cmd_ver_first == 0) {
fprintf(stderr, "Error: %s[%d] - IMAGE_VERSION "
"command need be the first before other "
"valid command in the file\n", name, lineno);
exit(EXIT_FAILURE);
}
cmd_ver_first = 1;
set_hdr_func(imxhdr);
break;
case CMD_BOOT_FROM:
imxhdr->flash_offset = get_table_entry_id(imximage_bootops,
"imximage boot option", token);
if (imxhdr->flash_offset == -1) {
fprintf(stderr, "Error: %s[%d] -Invalid boot device"
"(%s)\n", name, lineno, token);
exit(EXIT_FAILURE);
}
if (unlikely(cmd_ver_first != 1))
cmd_ver_first = 0;
break;
case CMD_BOOT_OFFSET:
imxhdr->flash_offset = get_cfg_value(token, name, lineno);
if (unlikely(cmd_ver_first != 1))
cmd_ver_first = 0;
break;
case CMD_DATA:
value = get_cfg_value(token, name, lineno);
(*set_dcd_val)(imxhdr, name, lineno, fld, value, dcd_len);
if (unlikely(cmd_ver_first != 1))
cmd_ver_first = 0;
break;
}
}
static void parse_cfg_fld(struct imx_header *imxhdr, int32_t *cmd,
char *token, char *name, int lineno, int fld, int *dcd_len)
{
int value;
switch (fld) {
case CFG_COMMAND:
*cmd = get_table_entry_id(imximage_cmds,
"imximage commands", token);
if (*cmd < 0) {
fprintf(stderr, "Error: %s[%d] - Invalid command"
"(%s)\n", name, lineno, token);
exit(EXIT_FAILURE);
}
break;
case CFG_REG_SIZE:
parse_cfg_cmd(imxhdr, *cmd, token, name, lineno, fld, *dcd_len);
break;
case CFG_REG_ADDRESS:
case CFG_REG_VALUE:
if (*cmd != CMD_DATA)
return;
value = get_cfg_value(token, name, lineno);
(*set_dcd_val)(imxhdr, name, lineno, fld, value, *dcd_len);
if (fld == CFG_REG_VALUE) {
(*dcd_len)++;
if (*dcd_len > max_dcd_entries) {
fprintf(stderr, "Error: %s[%d] -"
"DCD table exceeds maximum size(%d)\n",
name, lineno, max_dcd_entries);
exit(EXIT_FAILURE);
}
}
break;
default:
break;
}
}
static uint32_t parse_cfg_file(struct imx_header *imxhdr, char *name)
{
FILE *fd = NULL;
char *line = NULL;
char *token, *saveptr1, *saveptr2;
int lineno = 0;
int fld;
size_t len;
int dcd_len = 0;
int32_t cmd;
fd = fopen(name, "r");
if (fd == 0) {
fprintf(stderr, "Error: %s - Can't open DCD file\n", name);
exit(EXIT_FAILURE);
}
/* Very simple parsing, line starting with # are comments
* and are dropped
*/
while ((getline(&line, &len, fd)) > 0) {
lineno++;
token = strtok_r(line, "\r\n", &saveptr1);
if (token == NULL)
continue;
/* Check inside the single line */
for (fld = CFG_COMMAND, cmd = CMD_INVALID,
line = token; ; line = NULL, fld++) {
token = strtok_r(line, " \t", &saveptr2);
if (token == NULL)
break;
/* Drop all text starting with '#' as comments */
if (token[0] == '#')
break;
parse_cfg_fld(imxhdr, &cmd, token, name,
lineno, fld, &dcd_len);
}
}
(*set_dcd_rst)(imxhdr, dcd_len, name, lineno);
fclose(fd);
/* Exit if there is no BOOT_FROM field specifying the flash_offset */
if (imxhdr->flash_offset == FLASH_OFFSET_UNDEFINED) {
fprintf(stderr, "Error: No BOOT_FROM tag in %s\n", name);
exit(EXIT_FAILURE);
}
return dcd_len;
}
static int imximage_check_image_types(uint8_t type)
{
if (type == IH_TYPE_IMXIMAGE)
return EXIT_SUCCESS;
else
return EXIT_FAILURE;
}
static int imximage_verify_header(unsigned char *ptr, int image_size,
struct mkimage_params *params)
{
struct imx_header *imx_hdr = (struct imx_header *) ptr;
if (detect_imximage_version(imx_hdr) == IMXIMAGE_VER_INVALID)
return -FDT_ERR_BADSTRUCTURE;
return 0;
}
static void imximage_print_header(const void *ptr)
{
struct imx_header *imx_hdr = (struct imx_header *) ptr;
uint32_t version = detect_imximage_version(imx_hdr);
switch (version) {
case IMXIMAGE_V1:
print_hdr_v1(imx_hdr);
break;
case IMXIMAGE_V2:
print_hdr_v2(imx_hdr);
break;
default:
err_imximage_version(version);
break;
}
}
static void imximage_set_header(void *ptr, struct stat *sbuf, int ifd,
struct mkimage_params *params)
{
struct imx_header *imxhdr = (struct imx_header *)ptr;
uint32_t dcd_len;
/*
* In order to not change the old imx cfg file
* by adding VERSION command into it, here need
* set up function ptr group to V1 by default.
*/
imximage_version = IMXIMAGE_V1;
/* Be able to detect if the cfg file has no BOOT_FROM tag */
imxhdr->flash_offset = FLASH_OFFSET_UNDEFINED;
set_hdr_func(imxhdr);
/* Parse dcd configuration file */
dcd_len = parse_cfg_file(imxhdr, params->imagename);
/* Set the imx header */
(*set_imx_hdr)(imxhdr, dcd_len, params->ep, imxhdr->flash_offset);
tools: imximage: Load a size that is multiple of 512 In order to mx53 ROM to properly load the U-boot image, its header size should be multiple of 512 bytes. This issue was observed with gcc 4.6.2/4.7.3, which caused data aborts: U-Boot 2013.01-rc2-00172-gf8cfcf1-dirty (Dec 26 2012 - 13:13:28) Board: MX53 LOCO I2C: ready DRAM: 1 GiB MMC: FSL_SDHC: 0, FSL_SDHC: 1 In: serial Out: serial Err: serial CPU: Freescale i.MX53 family rev2.1 at 1000 MHz Reset cause: WDOG Net: FEC Warning: FEC using MAC address from net device Hit any key to stop autoboot: 0 data abort MAYBE you should read doc/README.arm-unaligned-accesses pc : [<aff72220>] lr : [<aff721fc>] sp : af565e20 ip : af566918 fp : 00000000 r10: 00000003 r9 : affabb5b r8 : af565f58 r7 : 00000000 r6 : 36747fff r5 : af5668e8 r4 : 36747fff r3 : af5668ec r2 : af5668eb r1 : 00000000 r0 : af5668e8 Flags: NzcV IRQs off FIQs off Mode SVC_32 Resetting CPU ... resetting ... ,and this patch fixes it. Also, even though the ROUND macro is already defined in common.h, the reason for redefining it in image.h is explained by Stefano Babic: "I will remark a previous comment - even if including common.h seems a good idea to avoid duplications, it makes tools like mkimage to depend on the selected board, because <board>_config must run. Even if this is not a problem for us u-boot developers, it becomes an issue when these tools are included in distros (like u-boot-tools in Ubuntu) and cannot be packaged." Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com> Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
2013-01-03 08:24:33 +00:00
/*
* ROM bug alert
*
* MX53 only loads 512 byte multiples in case of SD boot.
* MX53 only loads NAND page multiples in case of NAND boot and
* supports up to 4096 byte large pages, thus align to 4096.
*
* The remaining fraction of a block bytes would not be loaded!
tools: imximage: Load a size that is multiple of 512 In order to mx53 ROM to properly load the U-boot image, its header size should be multiple of 512 bytes. This issue was observed with gcc 4.6.2/4.7.3, which caused data aborts: U-Boot 2013.01-rc2-00172-gf8cfcf1-dirty (Dec 26 2012 - 13:13:28) Board: MX53 LOCO I2C: ready DRAM: 1 GiB MMC: FSL_SDHC: 0, FSL_SDHC: 1 In: serial Out: serial Err: serial CPU: Freescale i.MX53 family rev2.1 at 1000 MHz Reset cause: WDOG Net: FEC Warning: FEC using MAC address from net device Hit any key to stop autoboot: 0 data abort MAYBE you should read doc/README.arm-unaligned-accesses pc : [<aff72220>] lr : [<aff721fc>] sp : af565e20 ip : af566918 fp : 00000000 r10: 00000003 r9 : affabb5b r8 : af565f58 r7 : 00000000 r6 : 36747fff r5 : af5668e8 r4 : 36747fff r3 : af5668ec r2 : af5668eb r1 : 00000000 r0 : af5668e8 Flags: NzcV IRQs off FIQs off Mode SVC_32 Resetting CPU ... resetting ... ,and this patch fixes it. Also, even though the ROUND macro is already defined in common.h, the reason for redefining it in image.h is explained by Stefano Babic: "I will remark a previous comment - even if including common.h seems a good idea to avoid duplications, it makes tools like mkimage to depend on the selected board, because <board>_config must run. Even if this is not a problem for us u-boot developers, it becomes an issue when these tools are included in distros (like u-boot-tools in Ubuntu) and cannot be packaged." Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com> Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
2013-01-03 08:24:33 +00:00
*/
*header_size_ptr = ROUND(sbuf->st_size + imxhdr->flash_offset, 4096);
}
int imximage_check_params(struct mkimage_params *params)
{
if (!params)
return CFG_INVALID;
if (!strlen(params->imagename)) {
fprintf(stderr, "Error: %s - Configuration file not specified, "
"it is needed for imximage generation\n",
params->cmdname);
return CFG_INVALID;
}
/*
* Check parameters:
* XIP is not allowed and verify that incompatible
* parameters are not sent at the same time
* For example, if list is required a data image must not be provided
*/
return (params->dflag && (params->fflag || params->lflag)) ||
(params->fflag && (params->dflag || params->lflag)) ||
(params->lflag && (params->dflag || params->fflag)) ||
(params->xflag) || !(strlen(params->imagename));
}
/*
* imximage parameters
*/
static struct image_type_params imximage_params = {
.name = "Freescale i.MX Boot Image support",
.header_size = sizeof(struct imx_header),
.hdr = (void *)&imximage_header,
.check_image_type = imximage_check_image_types,
.verify_header = imximage_verify_header,
.print_header = imximage_print_header,
.set_header = imximage_set_header,
.check_params = imximage_check_params,
};
void init_imx_image_type(void)
{
mkimage_register(&imximage_params);
}