From 9d46d64dcdac88c934bb3e64c3732639572e3e8d Mon Sep 17 00:00:00 2001
From: John Klug <john.klug@multitech.com>
Date: Tue, 11 Apr 2017 18:01:18 -0500
Subject: Start of deriving the environment from the u-boot package.

---
 .../multitech/u-boot-linux-utils/uboot_mac.patch   | 55 +++++++++++++++-------
 1 file changed, 39 insertions(+), 16 deletions(-)

(limited to 'recipes-bsp/multitech/u-boot-linux-utils/uboot_mac.patch')

diff --git a/recipes-bsp/multitech/u-boot-linux-utils/uboot_mac.patch b/recipes-bsp/multitech/u-boot-linux-utils/uboot_mac.patch
index 5b92f35..77f28a2 100644
--- a/recipes-bsp/multitech/u-boot-linux-utils/uboot_mac.patch
+++ b/recipes-bsp/multitech/u-boot-linux-utils/uboot_mac.patch
@@ -1,27 +1,50 @@
-commit de3ea4470a6da4c01bfff9377649324747c1e3c9
+commit afa8fc0d0b3d8ccde464ab207724491c7b732c3d
 Author: John Klug <john.klug@multitech.com>
-Date:   Mon Apr 10 12:16:08 2017 -0500
+Date:   Tue Apr 11 17:58:15 2017 -0500
 
-    Add MAC address in default environment and add clearenv functionality.
+    Derive MTD size from CONFIG_ENV_SIZE
 
 diff --git a/src/u_boot.c b/src/u_boot.c
-index e240475..7eea5e9 100644
+index e240475..8c4fced 100644
 --- a/src/u_boot.c
 +++ b/src/u_boot.c
-@@ -36,6 +36,12 @@
+@@ -33,8 +33,25 @@
+ #include <fcntl.h>
  
+ #include <zlib.h>
+-
++#include <u-boot/config.h>
  #include "u_boot.h"
- 
++static char *env_strings(void)
++{
++	char *p;
++	int count;
++	static const char *bd = "bootdelay=";
++	count = strlen(bd);
++	count += snprintf(NULL,0,"%d",CONFIG_BOOTDELAY);
++	p = malloc(count);
++	snprintf(p,count,"%d",CONFIG_BOOTDELAY);
++	return p;
++}
++
 +
 +#define DUMMY_MAC "00:00:00:00:00:00"
 +#define MACNAME   "ethaddr"
 +
 +#define EMPTY_CRC 0xf9137807
-+
+ 
  static int tokcmp(const char *cmd, const char *pattern) {
  	int len = strlen(cmd);
- 	if (len > strlen(pattern)) {
-@@ -64,6 +70,8 @@ static int write_uboot_env(const char *device, struct environment *env)
+@@ -46,7 +63,7 @@ static int tokcmp(const char *cmd, const char *pattern) {
+ }
+ 
+ #define ENV_HEADER_SIZE		(sizeof(uint32_t) + sizeof(uint8_t))
+-#define ENV_DATA_SIZE		(MTD_SIZE - ENV_HEADER_SIZE)
++#define ENV_DATA_SIZE		(CONFIG_ENV_SIZE - ENV_HEADER_SIZE)
+ 
+ struct environment {
+ 	uint32_t crc;
+@@ -64,6 +81,8 @@ static int write_uboot_env(const char *device, struct environment *env)
  		error("mtd_erase_all %s failed", device);
  		return -1;
  	}
@@ -30,7 +53,7 @@ index e240475..7eea5e9 100644
  
  	fd = open(device, O_WRONLY);
  	if (fd < 0) {
-@@ -166,7 +174,7 @@ static int cmd_setenv(struct environment *env, int argc, char **argv)
+@@ -166,7 +185,7 @@ static int cmd_setenv(struct environment *env, int argc, char **argv)
  	var = env->data;
  	while (*var) {
  		if (!strncmp(var, name, name_len) && var[name_len] == '=') {
@@ -39,7 +62,7 @@ index e240475..7eea5e9 100644
  
  			cp = next_var(var);
  			while (*cp) {
-@@ -213,7 +221,7 @@ static int cmd_setenv(struct environment *env, int argc, char **argv)
+@@ -213,7 +232,7 @@ static int cmd_setenv(struct environment *env, int argc, char **argv)
  	}
  
  	env->crc = crc32(0, (uint8_t *) env->data, sizeof(env->data));
@@ -48,7 +71,7 @@ index e240475..7eea5e9 100644
  	env->flags = 0;
  
  	tmp = write_uboot_env(MTD_ENV1, env);
-@@ -238,7 +246,7 @@ static void print_version(const char *name) {
+@@ -238,7 +257,7 @@ static void print_version(const char *name) {
  }
  
  static void usage(FILE *out) {
@@ -57,7 +80,7 @@ index e240475..7eea5e9 100644
  	fprintf(out, "\n");
  }
  
-@@ -252,6 +260,7 @@ int main(int argc, char *argv[]) {
+@@ -252,6 +271,7 @@ int main(int argc, char *argv[]) {
  	struct environment *env2;
  	uint32_t crc1_ok;
  	uint32_t crc2_ok;
@@ -65,7 +88,7 @@ index e240475..7eea5e9 100644
  
  	if (argc <= 1) {
  		usage(stderr);
-@@ -301,12 +310,18 @@ int main(int argc, char *argv[]) {
+@@ -301,12 +321,18 @@ int main(int argc, char *argv[]) {
  		error("read_uboot_env failed");
  		return 1;
  	}
@@ -87,7 +110,7 @@ index e240475..7eea5e9 100644
  		crc1_ok = 0;
  	}
  
-@@ -315,20 +330,64 @@ int main(int argc, char *argv[]) {
+@@ -315,20 +341,64 @@ int main(int argc, char *argv[]) {
  		error("read_uboot_env failed");
  		return 1;
  	}
@@ -157,7 +180,7 @@ index e240475..7eea5e9 100644
  	} else if (crc1_ok && !crc2_ok) {
  		env = env1;
  	} else if (!crc1_ok && crc2_ok) {
-@@ -353,6 +412,9 @@ int main(int argc, char *argv[]) {
+@@ -353,6 +423,9 @@ int main(int argc, char *argv[]) {
  		err = cmd_printenv(env, argc, argv);
  	} else if (!tokcmp(cmd, "setenv")) {
  		err = cmd_setenv(env, argc, argv);
-- 
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