[PATCH 01/12] ARM omap: Add omap signGP tool and possibility to build ift images

[Sascha Hauer <s.hauer@pengutronix.de>]

The tool is needed to build images suitable for omap processors
to load from mmc or nand.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/Makefile          |    8 +
 arch/arm/mach-omap/Kconfig |    4 +
 scripts/Makefile           |    1 +
 scripts/omap_signGP.c      |  313 ++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 326 insertions(+), 0 deletions(-)
 create mode 100644 scripts/omap_signGP.c

diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 108bd5e..fa1677c 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -134,6 +134,14 @@ ifeq ($(machine-y),netx)
 KBUILD_IMAGE := barebox.netx
 endif
 
+barebox.bin.ift: barebox.bin
+	@echo "  IFT    " $@
+	$(Q)scripts/omap_signGP barebox.bin $(TEXT_BASE) 1
+
+ifeq ($(CONFIG_OMAP_BUILD_IFT),y)
+KBUILD_IMAGE := barebox.bin.ift
+endif
+
 all: $(KBUILD_IMAGE)
 
 archprepare: maketools
diff --git a/arch/arm/mach-omap/Kconfig b/arch/arm/mach-omap/Kconfig
index d171a6f..351c469 100644
--- a/arch/arm/mach-omap/Kconfig
+++ b/arch/arm/mach-omap/Kconfig
@@ -83,6 +83,10 @@ config OMAP_GPMC
 	  Controller(GPMC). GPMC allows you to configure devices such as NOR,
 	  NAND, OneNAND etc.
 
+config OMAP_BUILD_IFT
+	prompt "build ift binary"
+	bool
+
 config ARCH_TEXT_BASE
 	hex
 	default 0x80e80000 if MACH_OMAP343xSDP
diff --git a/scripts/Makefile b/scripts/Makefile
index be8e3e0..d6ea48c 100644
--- a/scripts/Makefile
+++ b/scripts/Makefile
@@ -9,6 +9,7 @@ hostprogs-y                      += bin2c
 hostprogs-y                      += mkimage
 hostprogs-y                      += bareboxenv
 hostprogs-$(CONFIG_ARCH_NETX)    += gen_netx_image
+hostprogs-$(CONFIG_ARCH_OMAP)    += omap_signGP
 
 always		:= $(hostprogs-y) $(hostprogs-m)
 
diff --git a/scripts/omap_signGP.c b/scripts/omap_signGP.c
new file mode 100644
index 0000000..d20d357
--- /dev/null
+++ b/scripts/omap_signGP.c
@@ -0,0 +1,313 @@
+/**
+ * signGP.c - Read the x-load.bin file and write out the x-load.bin.ift file
+ *
+ * The signed image is the original pre-pended with the size of the image
+ * and the load address.  If not entered on command line, file name is
+ * assumed to be x-load.bin in current directory and load address is
+ * 0x40200800.
+ *
+ * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2  of
+ * the License as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+#include <string.h>
+#include <malloc.h>
+#include <linux/types.h>
+
+#undef CH_WITH_CHRAM
+struct chsettings {
+	__u32 section_key;
+	__u8 valid;
+	__u8 version;
+	__u16 reserved;
+	__u32 flags;
+} __attribute__ ((__packed__));
+
+/*    __u32  cm_clksel_core;
+    __u32  reserved1;
+    __u32  cm_autoidle_dpll_mpu;
+    __u32  cm_clksel_dpll_mpu;
+    __u32  cm_div_m2_dpll_mpu;
+    __u32  cm_autoidle_dpll_core;
+    __u32  cm_clksel_dpll_core;
+    __u32  cm_div_m2_dpll_core;
+    __u32  cm_div_m3_dpll_core;
+    __u32  cm_div_m4_dpll_core;
+    __u32  cm_div_m5_dpll_core;
+    __u32  cm_div_m6_dpll_core;
+    __u32  cm_div_m7_dpll_core;
+    __u32  cm_autoidle_dpll_per;
+    __u32  cm_clksel_dpll_per;
+    __u32  cm_div_m2_dpll_per;
+    __u32  cm_div_m3_dpll_per;
+    __u32  cm_div_m4_dpll_per;
+    __u32  cm_div_m5_dpll_per;
+    __u32  cm_div_m6_dpll_per;
+    __u32  cm_div_m7_dpll_per;
+    __u32  cm_autoidle_dpll_usb;
+    __u32  cm_clksel_dpll_usb;
+    __u32  cm_div_m2_dpll_usb;
+}*/
+
+struct gp_header {
+	__u32 size;
+	__u32 load_addr;
+} __attribute__ ((__packed__));
+
+struct ch_toc {
+	__u32 section_offset;
+	__u32 section_size;
+	__u8 unused[12];
+	__u8 section_name[12];
+} __attribute__ ((__packed__));
+
+struct chram {
+	/* CHRAM */
+	__u32 section_key_chr;
+	__u8 section_disable_chr;
+	__u8 pad_chr[3];
+	/* EMIF1 */
+	__u32 config_emif1;
+	__u32 refresh_emif1;
+	__u32 tim1_emif1;
+	__u32 tim2_emif1;
+	__u32 tim3_emif1;
+	__u32 pwrControl_emif1;
+	__u32 phy_cntr1_emif1;
+	__u32 phy_cntr2_emif1;
+	__u8 modereg1_emif1;
+	__u8 modereg2_emif1;
+	__u8 modereg3_emif1;
+	__u8 pad_emif1;
+	/* EMIF2 */
+	__u32 config_emif2;
+	__u32 refresh_emif2;
+	__u32 tim1_emif2;
+	__u32 tim2_emif2;
+	__u32 tim3_emif2;
+	__u32 pwrControl_emif2;
+	__u32 phy_cntr1_emif2;
+	__u32 phy_cntr2_emif2;
+	__u8 modereg1_emif2;
+	__u8 modereg2_emif2;
+	__u8 modereg3_emif2;
+	__u8 pad_emif2;
+
+	__u32 dmm_lisa_map;
+	__u8 flags;
+	__u8 pad[3];
+} __attribute__ ((__packed__));
+
+
+struct ch_chsettings_chram {
+	struct ch_toc toc_chsettings;
+	struct ch_toc toc_chram;
+	struct ch_toc toc_terminator;
+	struct chsettings section_chsettings;
+	struct chram section_chram;
+	__u8 padding1[512 -
+		    (sizeof(struct ch_toc) * 3 +
+		     sizeof(struct chsettings) + sizeof(struct chram))];
+	/* struct gp_header gpheader; */
+} __attribute__ ((__packed__));
+
+struct ch_chsettings_nochram {
+	struct ch_toc toc_chsettings;
+	struct ch_toc toc_terminator;
+	struct chsettings section_chsettings;
+	__u8 padding1[512 -
+		    (sizeof(struct ch_toc) * 2 +
+		     sizeof(struct chsettings))];
+	/* struct gp_header gpheader; */
+} __attribute__ ((__packed__));
+
+
+#ifdef CH_WITH_CHRAM
+static const struct ch_chsettings_chram config_header = {
+	/* CHSETTINGS TOC */
+	{sizeof(struct ch_toc) * 4,
+	 sizeof(struct chsettings),
+	 "",
+	 {"CHSETTINGS"}
+	 },
+	/* CHRAM TOC */
+	{sizeof(struct ch_toc) * 4 + sizeof(struct chsettings),
+	 sizeof(struct chram),
+	 "",
+	 {"CHRAM"}
+	 },
+	/* toc terminator */
+	{0xFFFFFFFF,
+	 0xFFFFFFFF,
+	 {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+	  0xFF},
+	 {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+	  0xFF}
+	 },
+	/* CHSETTINGS section */
+	{
+	 0xC0C0C0C1,
+	 0,
+	 1,
+	 0,
+	 0},
+	/* CHRAM section */
+	{
+	 0xc0c0c0c2,
+	 0x01,
+	 {0x00, 0x00, 0x00},
+
+	 /* EMIF1 */
+	 0x80800eb2,
+	 0x00000010,
+	 0x110d1624,
+	 0x3058161b,
+	 0x030060b2,
+	 0x00000200,
+	 0x901ff416,
+	 0x00000000,
+	 0x23,
+	 0x01,
+	 0x02,
+	 0x00,
+
+	 /* EMIF2 */
+	 0x80800eb2,
+	 0x000002ba,
+	 0x110d1624,
+	 0x3058161b,
+	 0x03006542,
+	 0x00000200,
+	 0x901ff416,
+	 0x00000000,
+	 0x23,
+	 0x01,
+	 0x02,
+	 0x00,
+
+	 /* LISA map */
+	 0x80700100,
+	 0x05,
+	 {0x00, 0x00, 0x00},
+	 },
+	""
+};
+#else
+static struct ch_chsettings_nochram config_header
+	__attribute__((section(".config_header"))) = {
+	/* CHSETTINGS TOC */
+	{(sizeof(struct ch_toc)) * 2,
+	 sizeof(struct chsettings),
+	 "",
+	 {"CHSETTINGS"}
+	 },
+	/* toc terminator */
+	{0xFFFFFFFF,
+	 0xFFFFFFFF,
+	 {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+	  0xFF},
+	 {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+	  0xFF}
+	 },
+	/* CHSETTINGS section */
+	{
+	 0xC0C0C0C1,
+	 0,
+	 1,
+	 0,
+	 0},
+	""
+};
+#endif
+
+
+#define err(...) do { int save_errno = errno; \
+                      fprintf(stderr, __VA_ARGS__); \
+                      errno = save_errno; \
+                    } while (0);
+#define pdie(func, ...) do { perror(func); exit(1); } while (0);
+
+int main(int argc, char *argv[])
+{
+	int	i;
+	char	ifname[FILENAME_MAX], ofname[FILENAME_MAX], ch;
+	FILE	*ifile, *ofile;
+	unsigned long	loadaddr, len;
+	struct stat	sinfo;
+	int ch_add = 0;
+
+
+	/* Default to x-load.bin and 0x40200800. */
+	strcpy(ifname, "x-load.bin");
+	loadaddr = 0x40200800;
+
+	if ((argc == 2) || (argc == 3) || (argc == 4))
+		strcpy(ifname, argv[1]);
+
+	if ((argc == 3) || (argc == 4))
+		loadaddr = strtoul(argv[2], NULL, 16);
+
+	if (argc == 4)
+		ch_add = strtoul(argv[3], NULL, 16);
+
+	/* Form the output file name. */
+	strcpy(ofname, ifname);
+	strcat(ofname, ".ift");
+
+	/* Open the input file. */
+	ifile = fopen(ifname, "rb");
+	if (ifile == NULL) {
+		err("Cannot open %s\n", ifname);
+		pdie("fopen");
+	}
+
+	/* Get file length. */
+	stat(ifname, &sinfo);
+	len = sinfo.st_size;
+
+	/* Open the output file and write it. */
+	ofile = fopen(ofname, "wb");
+	if (ofile == NULL) {
+		fclose(ifile);
+		err("Cannot open %s\n", ofname);
+		pdie("fopen");
+	}
+
+	if (ch_add)
+		if (fwrite(&config_header, 1, 512, ofile) <= 0)
+			pdie("fwrite");
+
+	if (fwrite(&len, 1, 4, ofile) <= 0)
+		pdie("fwrite");
+	if (fwrite(&loadaddr, 1, 4, ofile) <= 0)
+		pdie("fwrite");
+	for (i = 0; i < len; i++) {
+		if (fread(&ch, 1, 1, ifile) <= 0)
+		    pdie("fread");
+		if (fwrite(&ch, 1, 1, ofile) <= 0)
+		    pdie("fwrite");
+	}
+
+	if (fclose(ifile))
+		perror("warning: fclose");
+	if (fclose(ofile))
+		perror("warning: fclose");
+
+	return 0;
+}
-- 
1.7.2.3


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