summaryrefslogtreecommitdiff
path: root/tools
diff options
context:
space:
mode:
Diffstat (limited to 'tools')
-rw-r--r--tools/imximage.c242
-rw-r--r--tools/imximage.h27
2 files changed, 215 insertions, 54 deletions
diff --git a/tools/imximage.c b/tools/imximage.c
index fa308c9..b10beba 100644
--- a/tools/imximage.c
+++ b/tools/imximage.c
@@ -39,6 +39,7 @@ static table_entry_t imximage_cmds[] = {
{CMD_BOOT_FROM, "BOOT_FROM", "boot command", },
{CMD_DATA, "DATA", "Reg Write Data", },
{CMD_IMAGE_VERSION, "IMAGE_VERSION", "image version", },
+ {CMD_PLUGIN, "PLUGIN", "file plugin_addr", },
{-1, "", "", },
};
@@ -103,9 +104,13 @@ static uint32_t detect_imximage_version(struct imx_header *imx_hdr)
/* Try to detect V2 */
if ((fhdr_v2->header.tag == IVT_HEADER_TAG) &&
- (hdr_v2->dcd_table.header.tag == DCD_HEADER_TAG))
+ (hdr_v2->data.dcd_table.header.tag == DCD_HEADER_TAG))
return IMXIMAGE_V2;
+ if ((fhdr_v2->header.tag == IVT_HEADER_TAG) &&
+ hdr_v2->boot_data.plugin) {
+ return IMXIMAGE_V2;
+ }
return IMXIMAGE_VER_INVALID;
}
@@ -148,7 +153,7 @@ static void set_dcd_val_v1(struct imx_header *imxhdr, char *name, int lineno,
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;
+ dcd_v2_t *dcd_v2 = &imxhdr->header.hdr_v2.data.dcd_table;
switch (fld) {
case CFG_REG_ADDRESS:
@@ -183,16 +188,18 @@ static void set_dcd_rst_v1(struct imx_header *imxhdr, uint32_t dcd_len,
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;
+ if (!imxhdr->header.hdr_v2.boot_data.plugin) {
+ dcd_v2_t *dcd_v2 = &imxhdr->header.hdr_v2.data.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,
@@ -233,18 +240,79 @@ static void set_imx_hdr_v2(struct imx_header *imxhdr, uint32_t dcd_len,
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);
+ if (!hdr_v2->boot_data.plugin) {
+ 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;
+ fhdr_v2->dcd_ptr = hdr_base + offsetof(imx_header_v2_t, data);
+ 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;
+ /* Security feature are not supported */
+ fhdr_v2->csf = 0;
+ header_size_ptr = &hdr_v2->boot_data.size;
+ } else {
+ imx_header_v2_t *next_hdr_v2;
+ flash_header_v2_t *next_fhdr_v2;
+
+ fhdr_v2->entry = imxhdr->iram_free_start +
+ flash_offset + sizeof(flash_header_v2_t) +
+ sizeof(boot_data_t);
+
+ fhdr_v2->reserved1 = fhdr_v2->reserved2 = 0;
+ fhdr_v2->self = imxhdr->iram_free_start + flash_offset;
+
+ fhdr_v2->dcd_ptr = 0;
+
+ fhdr_v2->boot_data_ptr = fhdr_v2->self +
+ offsetof(imx_header_v2_t, boot_data);
+
+ hdr_v2->boot_data.start = imxhdr->iram_free_start;
+ /*
+ * The actural size of plugin image is "imxhdr->plugin_size +
+ * sizeof(flash_header_v2_t) + sizeof(boot_data_t)", plus the
+ * flash_offset space.The ROM code only need to copy this size
+ * to run the plugin code. However, later when copy the whole
+ * U-Boot image to DDR, the ROM code use memcpy to copy the
+ * first part of the image, and use the storage read function
+ * to get the remaining part. This requires the dividing point
+ * must be multiple of storage sector size. Here we set the
+ * first section to be 16KB for this purpose.
+ */
+ hdr_v2->boot_data.size = PLUGIN_IRAM_COPY_SIZE;
+
+ /* Security feature are not supported */
+ fhdr_v2->csf = 0;
+
+ next_hdr_v2 = (imx_header_v2_t *)((char*)hdr_v2 +
+ imxhdr->plugin_size);
+
+ next_fhdr_v2 = &next_hdr_v2->fhdr;
+
+ next_fhdr_v2->header.tag = IVT_HEADER_TAG; /* 0xD1 */
+ next_fhdr_v2->header.length =
+ cpu_to_be16(sizeof(flash_header_v2_t));
+ next_fhdr_v2->header.version = IVT_VERSION; /* 0x40 */
+
+ next_fhdr_v2->entry = entry_point;
+ hdr_base = entry_point - sizeof(struct imx_header);
+ next_fhdr_v2->reserved1 = next_fhdr_v2->reserved2 = 0;
+ next_fhdr_v2->self = hdr_base + imxhdr->plugin_size;
+
+ next_fhdr_v2->dcd_ptr = 0;
+ next_fhdr_v2->boot_data_ptr = next_fhdr_v2->self +
+ offsetof(imx_header_v2_t, boot_data);
+
+ next_hdr_v2->boot_data.start = hdr_base - flash_offset;
+
+ header_size_ptr = &next_hdr_v2->boot_data.size;
+
+ next_hdr_v2->boot_data.plugin = 0;
+
+ next_fhdr_v2->csf = 0;
+ }
}
static void set_hdr_func(struct imx_header *imxhdr)
@@ -300,16 +368,19 @@ 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);
+ dcd_v2_t *dcd_v2 = &hdr_v2->data.dcd_table;
+ uint32_t size, version, plugin;
+
+ plugin = hdr_v2->boot_data.plugin;
+ if (!plugin) {
+ 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);
@@ -317,10 +388,72 @@ static void print_hdr_v2(struct imx_header *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);
+ printf("Mode: %s\n", plugin ? "PLUGIN" : "DCD");
+ if (!plugin) {
+ printf("U-Boot Data Size: ");
+ genimg_print_size(hdr_v2->boot_data.size);
+ printf("U-Boot Load Address: %08x\n", hdr_v2->boot_data.start);
+ printf("U-Boot Entry Point: %08x\n",
+ (uint32_t)fhdr_v2->entry);
+ } else {
+ imx_header_v2_t *next_hdr_v2;
+ flash_header_v2_t *next_fhdr_v2;
+
+ /*First Header*/
+ printf("Plugin Data Size: ");
+ genimg_print_size(hdr_v2->boot_data.size);
+ printf("Plugin Code Size: ");
+ genimg_print_size(imx_hdr->plugin_size);
+ printf("Plugin Load Address: %08x\n", hdr_v2->boot_data.start);
+ printf("Plugin Entry Point: %08x\n",
+ (uint32_t)fhdr_v2->entry);
+
+ /*Second Header*/
+ next_hdr_v2 = (imx_header_v2_t *)((char*)hdr_v2 +
+ imx_hdr->plugin_size);
+ next_fhdr_v2 = &next_hdr_v2->fhdr;
+ printf("U-Boot Data Size: ");
+ genimg_print_size(next_hdr_v2->boot_data.size);
+ printf("U-Boot Load Address: %08x\n", hdr_v2->boot_data.start);
+ printf("U-Boot Entry Point: %08x\n",
+ (uint32_t)next_fhdr_v2->entry);
+ }
+}
+
+static void copy_plugin_code(struct imx_header *imxhdr, char *plugin_file)
+{
+ int ifd = -1;
+ struct stat sbuf;
+ char *plugin_buf = imxhdr->header.hdr_v2.data.plugin_code;
+ char *ptr;
+ ifd = open(plugin_file, O_RDONLY|O_BINARY);
+ if (fstat(ifd, &sbuf) < 0) {
+ fprintf(stderr, "Can't stat %s: %s\n",
+ plugin_file,
+ strerror(errno));
+ exit(EXIT_FAILURE);
+ }
+
+ ptr = mmap(0, sbuf.st_size, PROT_READ, MAP_SHARED, ifd, 0);
+ if (ptr == MAP_FAILED) {
+ fprintf(stderr, "Can't read %s: %s\n",
+ plugin_file,
+ strerror(errno));
+ exit(EXIT_FAILURE);
+ }
+
+ if (sbuf.st_size > MAX_PLUGIN_CODE_SIZE) {
+ printf("plugin binary size too large\n");
+ exit(EXIT_FAILURE);
+ }
+
+ memcpy(plugin_buf, ptr, sbuf.st_size);
+ imxhdr->plugin_size = sbuf.st_size;
+
+ (void) munmap((void *)ptr, sbuf.st_size);
+ (void) close(ifd);
+
+ imxhdr->header.hdr_v2.boot_data.plugin = 1;
}
static void parse_cfg_cmd(struct imx_header *imxhdr, int32_t cmd, char *token,
@@ -358,6 +491,9 @@ static void parse_cfg_cmd(struct imx_header *imxhdr, int32_t cmd, char *token,
if (unlikely(cmd_ver_first != 1))
cmd_ver_first = 0;
break;
+ case CMD_PLUGIN:
+ copy_plugin_code(imxhdr, token);
+ break;
}
}
@@ -381,21 +517,29 @@ static void parse_cfg_fld(struct imx_header *imxhdr, int32_t *cmd,
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);
+ switch (*cmd) {
+ case CMD_DATA:
+ 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;
+ case CMD_PLUGIN:
+ value = get_cfg_value(token, name, lineno);
+ imxhdr->iram_free_start = value;
+ break;
+ default:
+ return;
}
+
break;
default:
break;
diff --git a/tools/imximage.h b/tools/imximage.h
index 42b6090..0871b79 100644
--- a/tools/imximage.h
+++ b/tools/imximage.h
@@ -1,5 +1,7 @@
/*
- * (C) Copyright 2009
+ * Copyright (C) 2012-2013 Freescale Semiconductor, Inc.
+ *
+ * (C) Copyright 2009-2012
* Stefano Babic, DENX Software Engineering, sbabic@denx.de.
*
* See file CREDITS for list of people who contributed to this
@@ -24,7 +26,16 @@
#ifndef _IMXIMAGE_H_
#define _IMXIMAGE_H_
-#define MAX_HW_CFG_SIZE_V2 121 /* Max number of registers imx can set for v2 */
+#define MAX_HW_CFG_SIZE_V2 219 /* Max number of registers imx can set for v2 */
+/*
+ * For MX51/MX53/MX6, the maximum DCD lenght is 1768 bytes
+ * IVT occupies 8 bytes
+ * Boot Data 3 bytes
+ * DCD tag and write tag 2 bytes
+ * The remaining 1755 bytes can hold up to 219 DCD entries
+ */
+#define MAX_PLUGIN_CODE_SIZE (16*1024)
+#define PLUGIN_IRAM_COPY_SIZE (16*1024)
#define MAX_HW_CFG_SIZE_V1 60 /* Max number of registers imx can set for v1 */
#define APP_CODE_BARKER 0xB1
#define DCD_BARKER 0xB17219E9
@@ -52,7 +63,8 @@ enum imximage_cmd {
CMD_INVALID,
CMD_IMAGE_VERSION,
CMD_BOOT_FROM,
- CMD_DATA
+ CMD_DATA,
+ CMD_PLUGIN,
};
enum imximage_fld_types {
@@ -148,7 +160,10 @@ typedef struct {
typedef struct {
flash_header_v2_t fhdr;
boot_data_t boot_data;
- dcd_v2_t dcd_table;
+ union {
+ dcd_v2_t dcd_table;
+ char plugin_code[MAX_PLUGIN_CODE_SIZE];
+ } data;
} imx_header_v2_t;
struct imx_header {
@@ -157,7 +172,9 @@ struct imx_header {
imx_header_v2_t hdr_v2;
} header;
uint32_t flash_offset;
-};
+ uint32_t iram_free_start;
+ uint32_t plugin_size;
+} __attribute__((aligned(0x1000)));
typedef void (*set_dcd_val_t)(struct imx_header *imxhdr,
char *name, int lineno,
generated by cgit v1.1 at 2024-11-22 06:46:48 +0000