Initial commit

package/boot/kobs-ng/patches/001-compile.patch

@@ -0,0 +1,24 @@
+--- a/src/mtd.c
++++ b/src/mtd.c
+@@ -28,6 +28,7 @@
+ #include <unistd.h>
+ #include <stdlib.h>
+ #include <string.h>
++#include <stddef.h>
+ #include <fcntl.h>
+ #include <ctype.h>
+ #include <errno.h>
+--- a/src/mtd.h
++++ b/src/mtd.h
+@@ -25,8 +25,11 @@
+ #ifndef MTD_H
+ #define MTD_H
+ 
++#define _GNU_SOURCE
+ #include <mtd/mtd-user.h>
+ #include <endian.h>
++#include <stdint.h>
++#include <fcntl.h>
+ 
+ #include "BootControlBlocks.h"
+ #include "rom_nand_hamming_code_ecc.h"

package/boot/kobs-ng/patches/002-add-init-size-param.patch

@@ -0,0 +1,45 @@
+Add --chip_0_size param to override the size of the mtd partition which is
+required if the SPL does not occupy the entire partition. For Gateworks
+Ventana boards the 'uboot' partition contains both the SPL and uboot.
+--- a/src/main.c
++++ b/src/main.c
+@@ -94,6 +94,7 @@ void usage(void)
+ 	"  [KOBS] boot structures config options\n"
+ 	"    --chip_0_device_path=<path> .......... Device of boot (default /dev/mtd0)\n"
+ 	"    --chip_1_device_path=<path> .......... The second chip in case of multichip NAND\n"
++	"    --chip_0_size=<size> ................. Override size of chip_0 device\n"
+ 	"    --search_exponent=<value> ............ NCB field (default 2)\n"
+ 	"    --data_setup_time=<value> ............ NCB field (default 80)\n"
+ 	"    --data_hold_time=<value> ............. NCB field (default 60)\n"
+--- a/src/mtd.c
++++ b/src/mtd.c
+@@ -876,6 +876,11 @@ struct mtd_data *mtd_open(const struct m
+ 			goto out;
+ 		}
+ 
++		/* override MTD size */
++		if (md->cfg.chip_0_size) {
++			miu->size = md->cfg.chip_0_size;
++		}
++
+ 		/* verify it's a nand */
+ 		if (miu->type != MTD_NANDFLASH
+ 			&& miu->type != MTD_MLCNANDFLASH) {
+@@ -3385,7 +3390,7 @@ static const struct {
+ } mtd_int_args[] = {
+ 	ARG_IGNORE(chip_count),
+ 	ARG_IGNORE(chip_0_offset),
+-	ARG_IGNORE(chip_0_size),
++	ARG(chip_0_size),
+ 	ARG_IGNORE(chip_1_offset),
+ 	ARG_IGNORE(chip_1_size),
+ 	ARG(search_exponent),
+@@ -3578,7 +3583,7 @@ void mtd_cfg_dump(struct mtd_config *cfg
+ //	Pd(chip_count);
+ 	Ps(chip_0_device_path);
+ //	Pd(chip_0_offset);
+-//	Pd(chip_0_size);
++	Pd(chip_0_size);
+ 	Ps(chip_1_device_path);
+ //	Pd(chip_1_offset);
+ //	Pd(chip_1_size);

package/boot/kobs-ng/patches/003-raw-mode.patch

@@ -0,0 +1,45 @@
+The downstream Freescale vendor kernel has a patch that allows determining
+if raw NAND flash mode is provided via a debugfs file. This is not present
+in upstream kernels, but the raw access support was added in the 3.19
+kernel, so we will check the kernel version if we can't find the file.
+--- a/src/mtd.c
++++ b/src/mtd.c
+@@ -34,6 +34,7 @@
+ #include <errno.h>
+ #include <sys/types.h>
+ #include <sys/ioctl.h>
++#include <sys/utsname.h>
+ 
+ #include "mtd.h"
+ #include "rand.h"
+@@ -808,15 +809,27 @@ struct mtd_data *mtd_open(const struct m
+ 	md->cfg = *cfg;
+ 
+ 	/* check if use new raw access mode */
++	/* by looking for debugfs from fsl patch */
++	md->raw_mode_flag = 0;
+ 	fp = fopen("/sys/kernel/debug/gpmi-nand/raw_mode", "r");
+ 	if (!fp) {
+-		md->raw_mode_flag = 0;
+-		vp(md, "mtd: use legacy raw access mode\n");
++		/* fallback to kernel version: raw access added in 3.19 */
++		struct utsname uts;
++		if (!uname(&uts)) {
++			int major = 0, minor = 0;
++			sscanf(uts.release, "%d.%d", &major, &minor);
++			vp(md, "mtd: Linux %d.%d\n", major, minor);
++			if ((major << 8 | minor) > (3 << 8 | 18))
++				md->raw_mode_flag = 1;
++		}
+ 	} else {
+ 		fclose(fp);
+ 		md->raw_mode_flag = 1;
+-		vp(md, "mtd: use new bch layout raw access mode\n");
+ 	}
++	if (md->raw_mode_flag)
++		vp(md, "mtd: use new bch layout raw access mode\n");
++	else
++		vp(md, "mtd: use legacy raw access mode\n");
+ 
+ 	if (plat_config_data->m_u32UseMultiBootArea) {
+ 

package/boot/kobs-ng/patches/004-fix-cal_nfc_geometry.patch

@@ -0,0 +1,27 @@
+The Freescale downstream vendor kernel has a patch that exports the bch
+flash geometry via a debugfs file. This is not available in mainline linux
+kernels so the fallback method calculates the geometry based on known info
+from the mtd partition. A bug exists in this funcion where it fails to
+assume that block0 ECC is the same as the other blocks by default.
+--- a/src/mtd.c
++++ b/src/mtd.c
+@@ -610,7 +610,7 @@ static int cal_nfc_geometry(struct mtd_d
+ 	/* The two are fixed, please change them when the driver changes. */
+ 	geo->metadata_size_in_bytes = 10;
+ 	geo->gf_len = 13;
+-	geo->ecc_chunkn_size_in_bytes = 512;
++	geo->ecc_chunkn_size_in_bytes = geo->ecc_chunk0_size_in_bytes = 512;
+ 
+ 	if (mtd->oobsize > geo->ecc_chunkn_size_in_bytes) {
+ 		geo->gf_len = 14;
+@@ -700,8 +700,9 @@ int parse_nfc_geometry(struct mtd_data *
+ 	unsigned int       value;
+ 
+ 	if (!plat_config_data->m_u32UseNfcGeo) {
++		/* fsl kernel patch provides bch_geometry via debugfs */
+ 		if (!(node = fopen(dbg_geometry_node_path, "r"))) {
+-			fprintf(stderr, "Cannot open BCH geometry node: \"%s\"",
++			fprintf(stderr, "Cannot open BCH geometry node: \"%s\"\n",
+ 				dbg_geometry_node_path);
+ 			return cal_nfc_geometry(md);
+ 		}