This patch add support for gpimage format as a preparatory
patch for porting u-boot for keystone2 devices and is
based on omapimage format. It re-uses gph header to store the
size and loadaddr as done in omapimage.c

Signed-off-by: Vitaly Andrianov <vita...@ti.com>
Signed-off-by: Murali Karicheri <m-kariche...@ti.com>
---
 - Tested only on keystone. Need help to test on OMAP since this is 
   impacted.

 common/image.c         |    1 +
 include/image.h        |    1 +
 tools/Makefile         |    6 +++
 tools/gpheader.h       |   41 +++++++++++++++++++
 tools/gpimage-common.c |  103 ++++++++++++++++++++++++++++++++++++++++++++++++
 tools/gpimage.c        |   78 ++++++++++++++++++++++++++++++++++++
 tools/imagetool.c      |    2 +
 tools/imagetool.h      |    1 +
 tools/omapimage.c      |   97 +++++++--------------------------------------
 tools/omapimage.h      |    5 ---
 10 files changed, 248 insertions(+), 87 deletions(-)
 create mode 100644 tools/gpheader.h
 create mode 100644 tools/gpimage-common.c
 create mode 100644 tools/gpimage.c

diff --git a/common/image.c b/common/image.c
index ae95c3f..52ee840 100644
--- a/common/image.c
+++ b/common/image.c
@@ -137,6 +137,7 @@ static const table_entry_t uimage_type[] = {
        {       IH_TYPE_STANDALONE, "standalone", "Standalone Program", },
        {       IH_TYPE_UBLIMAGE,   "ublimage",   "Davinci UBL image",},
        {       IH_TYPE_MXSIMAGE,   "mxsimage",   "Freescale MXS Boot Image",},
+       {       IH_TYPE_GPIMAGE,    "gpimage",    "TI KeyStone SPL Image",},
        {       -1,                 "",           "",                   },
 };
 
diff --git a/include/image.h b/include/image.h
index 7de2bb2..0a3d346 100644
--- a/include/image.h
+++ b/include/image.h
@@ -214,6 +214,7 @@ struct lmb;
 #define IH_TYPE_KERNEL_NOLOAD  14      /* OS Kernel Image, can run from any 
load address */
 #define IH_TYPE_PBLIMAGE       15      /* Freescale PBL Boot Image     */
 #define IH_TYPE_MXSIMAGE       16      /* Freescale MXSBoot Image      */
+#define IH_TYPE_GPIMAGE                17      /* TI Keystone GPHeader Image   
*/
 
 /*
  * Compression Types
diff --git a/tools/Makefile b/tools/Makefile
index 328cea3..cbbe479 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -84,7 +84,9 @@ NOPED_OBJ_FILES-y += imagetool.o
 NOPED_OBJ_FILES-y += mkenvimage.o
 NOPED_OBJ_FILES-y += mkimage.o
 NOPED_OBJ_FILES-y += mxsimage.o
+NOPED_OBJ_FILES-y += gpimage-common.o
 NOPED_OBJ_FILES-y += omapimage.o
+NOPED_OBJ_FILES-y += gpimage.o
 NOPED_OBJ_FILES-y += os_support.o
 NOPED_OBJ_FILES-y += pblimage.o
 NOPED_OBJ_FILES-y += proftool.o
@@ -219,7 +221,9 @@ $(obj)dumpimage$(SFX):      $(obj)aisimage.o \
                        $(obj)dumpimage.o \
                        $(obj)md5.o \
                        $(obj)mxsimage.o \
+                       $(obj)gpimage-common.o \
                        $(obj)omapimage.o \
+                       $(obj)gpimage.o \
                        $(obj)os_support.o \
                        $(obj)pblimage.o \
                        $(obj)sha1.o \
@@ -248,7 +252,9 @@ $(obj)mkimage$(SFX):        $(obj)aisimage.o \
                        $(obj)md5.o \
                        $(obj)mkimage.o \
                        $(obj)mxsimage.o \
+                       $(obj)gpimage-common.o \
                        $(obj)omapimage.o \
+                       $(obj)gpimage.o \
                        $(obj)os_support.o \
                        $(obj)pblimage.o \
                        $(obj)sha1.o \
diff --git a/tools/gpheader.h b/tools/gpheader.h
new file mode 100644
index 0000000..0bfc0c2
--- /dev/null
+++ b/tools/gpheader.h
@@ -0,0 +1,41 @@
+/*
+ * (C) Copyright 2014
+ * Texas Instruments Incorporated
+ * Refactored common functions in to gpimage-common.c. Include this common
+ * header file
+ *
+ * (C) Copyright 2010
+ * Linaro LTD, www.linaro.org
+ * Author: John Rigby <john.ri...@linaro.org>
+ * Based on TI's signGP.c
+ *
+ * (C) Copyright 2009
+ * Stefano Babic, DENX Software Engineering, sba...@denx.de.
+ *
+ * (C) Copyright 2008
+ * Marvell Semiconductor <www.marvell.com>
+ * Written-by: Prafulla Wadaskar <prafu...@marvell.com>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#ifndef _GPIMAGE_H_
+#define _GPIMAGE_H_
+
+/* common headers for gpimage and omapimage formats */
+struct gp_header {
+       uint32_t size;
+       uint32_t load_addr;
+};
+#define GPIMAGE_HDR_SIZE (sizeof(struct gp_header))
+
+/* common functions across gpimage and omapimage handlers */
+uint32_t gpimage_swap32(uint32_t data);
+int valid_gph_size(uint32_t size);
+int valid_gph_load_addr(uint32_t load_addr);
+int gph_verify_header(struct gp_header *gph, int do_swap32);
+void gph_print_header(const struct gp_header *gph, int do_swap32);
+void gph_set_header(struct gp_header *gph, uint32_t size, uint32_t load_addr,
+                       int do_swap32);
+int gpimage_check_params(struct image_tool_params *params);
+#endif
diff --git a/tools/gpimage-common.c b/tools/gpimage-common.c
new file mode 100644
index 0000000..85b9819
--- /dev/null
+++ b/tools/gpimage-common.c
@@ -0,0 +1,103 @@
+/*
+ * (C) Copyright 2014
+ * Texas Instruments Incorporated
+ * Refactored common functions in to gpimage-common.c.
+ *
+ * (C) Copyright 2010
+ * Linaro LTD, www.linaro.org
+ * Author: John Rigby <john.ri...@linaro.org>
+ * Based on TI's signGP.c
+ *
+ * (C) Copyright 2009
+ * Stefano Babic, DENX Software Engineering, sba...@denx.de.
+ *
+ * (C) Copyright 2008
+ * Marvell Semiconductor <www.marvell.com>
+ * Written-by: Prafulla Wadaskar <prafu...@marvell.com>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include "imagetool.h"
+#include <compiler.h>
+#include <image.h>
+#include "gpheader.h"
+
+uint32_t gpimage_swap32(uint32_t data)
+{
+       return cpu_to_be32(data);
+}
+
+/* TODO: do we need the below 2 functions?? */
+int valid_gph_size(uint32_t size)
+{
+       return size;
+}
+
+int valid_gph_load_addr(uint32_t load_addr)
+{
+       return load_addr;
+}
+
+int gph_verify_header(struct gp_header *gph, int do_swap32)
+{
+       uint32_t gph_size, gph_load_addr;
+
+       if (do_swap32) {
+               gph_size = gpimage_swap32(gph->size);
+               gph_load_addr = gpimage_swap32(gph->load_addr);
+       } else {
+               gph_size = gph->size;
+               gph_load_addr = gph->load_addr;
+       }
+
+       if (!valid_gph_size(gph_size))
+               return -1;
+       if (!valid_gph_load_addr(gph_load_addr))
+               return -1;
+       return 0;
+}
+
+void gph_print_header(const struct gp_header *gph, int do_swap32)
+{
+       uint32_t gph_size, gph_load_addr;
+
+       if (do_swap32) {
+               gph_size = gpimage_swap32(gph->size);
+               gph_load_addr = gpimage_swap32(gph->load_addr);
+       } else {
+               gph_size = gph->size;
+               gph_load_addr = gph->load_addr;
+       }
+
+       if (!valid_gph_size(gph_size)) {
+               fprintf(stderr, "Error: invalid image size %x\n", gph_size);
+               exit(EXIT_FAILURE);
+       }
+
+       if (!valid_gph_load_addr(gph_load_addr)) {
+               fprintf(stderr, "Error: invalid image load address %x\n",
+                       gph_load_addr);
+               exit(EXIT_FAILURE);
+       }
+       printf("GP Header: Size %x LoadAddr %x\n", gph_size, gph_load_addr);
+}
+
+void gph_set_header(struct gp_header *gph, uint32_t size, uint32_t load_addr,
+       int do_swap32)
+{
+       if (do_swap32) {
+               gph->size = gpimage_swap32(size);
+               gph->load_addr = gpimage_swap32(load_addr);
+       } else {
+               gph->size = size;
+               gph->load_addr = load_addr;
+       }
+}
+
+int gpimage_check_params(struct image_tool_params *params)
+{
+       return  (params->dflag && (params->fflag || params->lflag)) ||
+               (params->fflag && (params->dflag || params->lflag)) ||
+               (params->lflag && (params->dflag || params->fflag));
+}
diff --git a/tools/gpimage.c b/tools/gpimage.c
new file mode 100644
index 0000000..c316bfb
--- /dev/null
+++ b/tools/gpimage.c
@@ -0,0 +1,78 @@
+/*
+ * (C) Copyright 2014
+ * Texas Instruments Incorporated
+ * Add gpimage format for keystone devices to format spl image. This is
+ * Based on omapimage.c
+ *
+ * (C) Copyright 2010
+ * Linaro LTD, www.linaro.org
+ * Author: John Rigby <john.ri...@linaro.org>
+ * Based on TI's signGP.c
+ *
+ * (C) Copyright 2009
+ * Stefano Babic, DENX Software Engineering, sba...@denx.de.
+ *
+ * (C) Copyright 2008
+ * Marvell Semiconductor <www.marvell.com>
+ * Written-by: Prafulla Wadaskar <prafu...@marvell.com>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include "imagetool.h"
+#include <compiler.h>
+#include <image.h>
+#include "gpheader.h"
+
+static uint8_t gpimage_header[GPIMAGE_HDR_SIZE];
+
+/* to be in keystone gpimage */
+static int gpimage_check_image_types(uint8_t type)
+{
+       if (type == IH_TYPE_GPIMAGE)
+               return EXIT_SUCCESS;
+       else
+               return EXIT_FAILURE;
+}
+
+static int gpimage_verify_header(unsigned char *ptr, int image_size,
+                       struct image_tool_params *params)
+{
+       struct gp_header *gph = (struct gp_header *)ptr;
+
+       return gph_verify_header(gph, 1);
+}
+
+static void gpimage_print_header(const void *ptr)
+{
+       const struct gp_header *gph = (struct gp_header *)ptr;
+
+       gph_print_header(gph, 1);
+}
+
+static void gpimage_set_header(void *ptr, struct stat *sbuf, int ifd,
+                               struct image_tool_params *params)
+{
+       struct gp_header *gph = (struct gp_header *)ptr;
+
+       gph_set_header(gph, sbuf->st_size - GPIMAGE_HDR_SIZE, params->addr, 1);
+}
+
+/*
+ * gpimage parameters
+ */
+static struct image_type_params gpimage_params = {
+       .name           = "TI KeyStone GP Image support",
+       .header_size    = GPIMAGE_HDR_SIZE,
+       .hdr            = (void *)&gpimage_header,
+       .check_image_type = gpimage_check_image_types,
+       .verify_header  = gpimage_verify_header,
+       .print_header   = gpimage_print_header,
+       .set_header     = gpimage_set_header,
+       .check_params   = gpimage_check_params,
+};
+
+void init_gpimage_type(void)
+{
+       register_image_type(&gpimage_params);
+}
diff --git a/tools/imagetool.c b/tools/imagetool.c
index 29d2189..da72115 100644
--- a/tools/imagetool.c
+++ b/tools/imagetool.c
@@ -45,6 +45,8 @@ void register_image_tool(imagetool_register_t image_register)
        init_ubl_image_type();
        /* Init Davinci AIS support */
        init_ais_image_type();
+       /* Init TI Keystone boot image generation/list support */
+       init_gpimage_type();
 }
 
 /*
diff --git a/tools/imagetool.h b/tools/imagetool.h
index c2c9aea..a3e9d30 100644
--- a/tools/imagetool.h
+++ b/tools/imagetool.h
@@ -167,6 +167,7 @@ void init_mxs_image_type(void);
 void init_fit_image_type(void);
 void init_ubl_image_type(void);
 void init_omap_image_type(void);
+void init_gpimage_type(void);
 
 void pbl_load_uboot(int fd, struct image_tool_params *mparams);
 
diff --git a/tools/omapimage.c b/tools/omapimage.c
index d59bc4d..de5a50a 100644
--- a/tools/omapimage.c
+++ b/tools/omapimage.c
@@ -15,26 +15,17 @@
  */
 
 #include "imagetool.h"
+#include <compiler.h>
 #include <image.h>
+#include "gpheader.h"
 #include "omapimage.h"
 
 /* Header size is CH header rounded up to 512 bytes plus GP header */
 #define OMAP_CH_HDR_SIZE 512
-#define OMAP_GP_HDR_SIZE (sizeof(struct gp_header))
-#define OMAP_FILE_HDR_SIZE (OMAP_CH_HDR_SIZE+OMAP_GP_HDR_SIZE)
+#define OMAP_FILE_HDR_SIZE (OMAP_CH_HDR_SIZE + GPIMAGE_HDR_SIZE)
 
 static int do_swap32 = 0;
 
-static uint32_t omapimage_swap32(uint32_t data)
-{
-       uint32_t result = 0;
-       result  = (data & 0xFF000000) >> 24;
-       result |= (data & 0x00FF0000) >> 8;
-       result |= (data & 0x0000FF00) << 8;
-       result |= (data & 0x000000FF) << 24;
-       return result;
-}
-
 static uint8_t omapimage_header[OMAP_FILE_HDR_SIZE];
 
 static int omapimage_check_image_types(uint8_t type)
@@ -46,40 +37,18 @@ static int omapimage_check_image_types(uint8_t type)
        }
 }
 
-/*
- * Only the simplest image type is currently supported:
- * TOC pointing to CHSETTINGS
- * TOC terminator
- * CHSETTINGS
- *
- * padding to OMAP_CH_HDR_SIZE bytes
- *
- * gp header
- *   size
- *   load_addr
- */
-static int valid_gph_size(uint32_t size)
-{
-       return size;
-}
-
-static int valid_gph_load_addr(uint32_t load_addr)
-{
-       return load_addr;
-}
-
 static int omapimage_verify_header(unsigned char *ptr, int image_size,
                        struct image_tool_params *params)
 {
        struct ch_toc *toc = (struct ch_toc *)ptr;
        struct gp_header *gph = (struct gp_header *)(ptr+OMAP_CH_HDR_SIZE);
-       uint32_t offset, size, gph_size, gph_load_addr;
+       uint32_t offset, size;
 
        while (toc->section_offset != 0xffffffff
                        && toc->section_size != 0xffffffff) {
                if (do_swap32) {
-                       offset = omapimage_swap32(toc->section_offset);
-                       size = omapimage_swap32(toc->section_size);
+                       offset = gpimage_swap32(toc->section_offset);
+                       size = gpimage_swap32(toc->section_size);
                } else {
                        offset = toc->section_offset;
                        size = toc->section_size;
@@ -92,17 +61,7 @@ static int omapimage_verify_header(unsigned char *ptr, int 
image_size,
                toc++;
        }
 
-       if (do_swap32) {
-               gph_size = omapimage_swap32(gph->size);
-               gph_load_addr = omapimage_swap32(gph->load_addr);
-       } else {
-               gph_size = gph->size;
-               gph_load_addr = gph->load_addr;
-       }
-
-       if (!valid_gph_size(gph_size))
-               return -1;
-       if (!valid_gph_load_addr(gph_load_addr))
+       if (gph_verify_header(gph, do_swap32) < 0)
                return -1;
 
        return 0;
@@ -135,13 +94,13 @@ static void omapimage_print_header(const void *ptr)
        const struct ch_toc *toc = (struct ch_toc *)ptr;
        const struct gp_header *gph =
                        (struct gp_header *)(ptr+OMAP_CH_HDR_SIZE);
-       uint32_t offset, size, gph_size, gph_load_addr;
+       uint32_t offset, size;
 
        while (toc->section_offset != 0xffffffff
                        && toc->section_size != 0xffffffff) {
                if (do_swap32) {
-                       offset = omapimage_swap32(toc->section_offset);
-                       size = omapimage_swap32(toc->section_size);
+                       offset = gpimage_swap32(toc->section_offset);
+                       size = gpimage_swap32(toc->section_size);
                } else {
                        offset = toc->section_offset;
                        size = toc->section_size;
@@ -160,26 +119,7 @@ static void omapimage_print_header(const void *ptr)
                toc++;
        }
 
-       if (do_swap32) {
-               gph_size = omapimage_swap32(gph->size);
-               gph_load_addr = omapimage_swap32(gph->load_addr);
-       } else {
-               gph_size = gph->size;
-               gph_load_addr = gph->load_addr;
-       }
-
-       if (!valid_gph_size(gph_size)) {
-               fprintf(stderr, "Error: invalid image size %x\n", gph_size);
-               exit(EXIT_FAILURE);
-       }
-
-       if (!valid_gph_load_addr(gph_load_addr)) {
-               fprintf(stderr, "Error: invalid image load address %x\n",
-                               gph_load_addr);
-               exit(EXIT_FAILURE);
-       }
-
-       printf("GP Header: Size %x LoadAddr %x\n", gph_size, gph_load_addr);
+       gph_print_header(gph, do_swap32);
 }
 
 static int toc_offset(void *hdr, void *member)
@@ -208,8 +148,8 @@ static void omapimage_set_header(void *ptr, struct stat 
*sbuf, int ifd,
        toc++;
        memset(toc, 0xff, sizeof(*toc));
 
-       gph->size = sbuf->st_size - OMAP_FILE_HDR_SIZE;
-       gph->load_addr = params->addr;
+       gph_set_header(gph, sbuf->st_size - OMAP_FILE_HDR_SIZE,
+                      params->addr, 0);
 
        if (strncmp(params->imagename, "byteswap", 8) == 0) {
                do_swap32 = 1;
@@ -217,20 +157,13 @@ static void omapimage_set_header(void *ptr, struct stat 
*sbuf, int ifd,
                uint32_t *data = (uint32_t *)ptr;
 
                while (swapped <= (sbuf->st_size / sizeof(uint32_t))) {
-                       *data = omapimage_swap32(*data);
+                       *data = gpimage_swap32(*data);
                        swapped++;
                        data++;
                }
        }
 }
 
-int omapimage_check_params(struct image_tool_params *params)
-{
-       return  (params->dflag && (params->fflag || params->lflag)) ||
-               (params->fflag && (params->dflag || params->lflag)) ||
-               (params->lflag && (params->dflag || params->fflag));
-}
-
 /*
  * omapimage parameters
  */
@@ -242,7 +175,7 @@ static struct image_type_params omapimage_params = {
        .verify_header  = omapimage_verify_header,
        .print_header   = omapimage_print_header,
        .set_header     = omapimage_set_header,
-       .check_params   = omapimage_check_params,
+       .check_params   = gpimage_check_params,
 };
 
 void init_omap_image_type(void)
diff --git a/tools/omapimage.h b/tools/omapimage.h
index 45d14ea..8744ae7 100644
--- a/tools/omapimage.h
+++ b/tools/omapimage.h
@@ -25,10 +25,5 @@ struct ch_settings {
        uint32_t flags;
 };
 
-struct gp_header {
-       uint32_t size;
-       uint32_t load_addr;
-};
-
 #define KEY_CHSETTINGS 0xC0C0C0C1
 #endif /* _OMAPIMAGE_H_ */
-- 
1.7.9.5

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