Merge tag 'dm-pull-21oct21' of https://source.denx.de/u-boot/custodians/u-boot-dmWIP/21Oct2021

Refactoring of env_get_char() etc.
Update buildman to use gcc-11.1.0
Use in-container toolchain for nokia_rx51 CI test

# gpg: Signature made Thu 21 Oct 2021 09:34:07 PM EDT
# gpg:                using RSA key B25C0022AF86A7CC1655B6277F173A3E9008ADE6
# gpg:                issuer "sjg@chromium.org"
# gpg: Good signature from "Simon Glass <sjg@chromium.org>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: B25C 0022 AF86 A7CC 1655  B627 7F17 3A3E 9008 ADE6

14 files changed, 215 insertions, 271 deletions

diff --git a/.azure-pipelines.yml b/.azure-pipelines.yml
index 2ca146c..b3794a9 100644
--- a/.azure-pipelines.yml
+++ b/.azure-pipelines.yml
@@ -169,8 +169,7 @@ jobs:
       options: $(container_option)
     steps:
       - script: |
-          ./tools/buildman/buildman --fetch-arch arm
-          export PATH=~/.buildman-toolchains/gcc-9.2.0-nolibc/arm-linux-gnueabi/bin/:$PATH
+          export PATH=/opt/gcc-11.1.0-nolibc/arm-linux-gnueabi/bin:$PATH
           test/nokia_rx51_test.sh
 
   - job: test_py
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 699ce99..e7c65eb 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -177,8 +177,7 @@ Run binman, buildman, dtoc, Kconfig and patman testsuites:
 Run tests for Nokia RX-51 (aka N900):
   stage: testsuites
   script:
-    - ./tools/buildman/buildman --fetch-arch arm;
-      export PATH=~/.buildman-toolchains/gcc-9.2.0-nolibc/arm-linux-gnueabi/bin/:$PATH;
+    - export PATH=/opt/gcc-11.1.0-nolibc/arm-linux-gnueabi/bin:$PATH;
       test/nokia_rx51_test.sh
 
 # Test sandbox with test.py
diff --git a/arch/sandbox/lib/Makefile b/arch/sandbox/lib/Makefile
index b4ff717..a2bc5a7 100644
--- a/arch/sandbox/lib/Makefile
+++ b/arch/sandbox/lib/Makefile
@@ -5,7 +5,7 @@
 # (C) Copyright 2002-2006
 # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 
-obj-y	+= interrupts.o sections.o
+obj-y	+= fdt_fixup.o interrupts.o sections.o
 obj-$(CONFIG_PCI)	+= pci_io.o
 obj-$(CONFIG_CMD_BOOTM) += bootm.o
 obj-$(CONFIG_CMD_BOOTZ) += bootm.o
diff --git a/arch/sandbox/lib/fdt_fixup.c b/arch/sandbox/lib/fdt_fixup.c
new file mode 100644
index 0000000..a646f20
--- /dev/null
+++ b/arch/sandbox/lib/fdt_fixup.c
@@ -0,0 +1,25 @@
+// SPDX-License-Identifier: GPL-2.0+
+
+#define LOG_CATEGORY LOGC_ARCH
+
+#include <common.h>
+#include <fdt_support.h>
+#include <log.h>
+
+#if defined(__riscv)
+int arch_fixup_fdt(void *blob)
+{
+	int ret;
+
+	ret = fdt_find_or_add_subnode(blob, 0, "chosen");;
+	if (ret < 0)
+		goto err;
+	ret = fdt_setprop_u32(blob, ret, "boot-hartid", 1);
+	if (ret < 0)
+		goto err;
+	return 0;
+err:
+	log_err("Setting /chosen/boot-hartid failed: %s\n", fdt_strerror(ret));
+	return ret;
+}
+#endif
diff --git a/cmd/nvedit.c b/cmd/nvedit.c
index ddc715b..3bb6e76 100644
--- a/cmd/nvedit.c
+++ b/cmd/nvedit.c
@@ -30,7 +30,6 @@
 #include <env.h>
 #include <env_internal.h>
 #include <log.h>
-#include <net.h>
 #include <search.h>
 #include <errno.h>
 #include <malloc.h>
@@ -38,7 +37,6 @@
 #include <asm/global_data.h>
 #include <linux/bitops.h>
 #include <u-boot/crc.h>
-#include <watchdog.h>
 #include <linux/stddef.h>
 #include <asm/byteorder.h>
 #include <asm/io.h>
@@ -320,69 +318,6 @@ int env_set(const char *varname, const char *varvalue)
 		return _do_env_set(0, 3, (char * const *)argv, H_PROGRAMMATIC);
 }
 
-/**
- * Set an environment variable to an integer value
- *
- * @param varname	Environment variable to set
- * @param value		Value to set it to
- * @return 0 if ok, 1 on error
- */
-int env_set_ulong(const char *varname, ulong value)
-{
-	/* TODO: this should be unsigned */
-	char *str = simple_itoa(value);
-
-	return env_set(varname, str);
-}
-
-/**
- * Set an environment variable to an value in hex
- *
- * @param varname	Environment variable to set
- * @param value		Value to set it to
- * @return 0 if ok, 1 on error
- */
-int env_set_hex(const char *varname, ulong value)
-{
-	char str[17];
-
-	sprintf(str, "%lx", value);
-	return env_set(varname, str);
-}
-
-ulong env_get_hex(const char *varname, ulong default_val)
-{
-	const char *s;
-	ulong value;
-	char *endp;
-
-	s = env_get(varname);
-	if (s)
-		value = hextoul(s, &endp);
-	if (!s || endp == s)
-		return default_val;
-
-	return value;
-}
-
-int eth_env_get_enetaddr(const char *name, uint8_t *enetaddr)
-{
-	string_to_enetaddr(env_get(name), enetaddr);
-	return is_valid_ethaddr(enetaddr);
-}
-
-int eth_env_set_enetaddr(const char *name, const uint8_t *enetaddr)
-{
-	char buf[ARP_HLEN_ASCII + 1];
-
-	if (eth_env_get_enetaddr(name, (uint8_t *)buf))
-		return -EEXIST;
-
-	sprintf(buf, "%pM", enetaddr);
-
-	return env_set(name, buf);
-}
-
 #ifndef CONFIG_SPL_BUILD
 static int do_env_set(struct cmd_tbl *cmdtp, int flag, int argc,
 		      char *const argv[])
@@ -661,115 +596,7 @@ static int do_env_edit(struct cmd_tbl *cmdtp, int flag, int argc,
 	}
 }
 #endif /* CONFIG_CMD_EDITENV */
-#endif /* CONFIG_SPL_BUILD */
-
-/*
- * Look up variable from environment,
- * return address of storage for that variable,
- * or NULL if not found
- */
-char *env_get(const char *name)
-{
-	if (gd->flags & GD_FLG_ENV_READY) { /* after import into hashtable */
-		struct env_entry e, *ep;
-
-		WATCHDOG_RESET();
-
-		e.key	= name;
-		e.data	= NULL;
-		hsearch_r(e, ENV_FIND, &ep, &env_htab, 0);
-
-		return ep ? ep->data : NULL;
-	}
-
-	/* restricted capabilities before import */
-	if (env_get_f(name, (char *)(gd->env_buf), sizeof(gd->env_buf)) > 0)
-		return (char *)(gd->env_buf);
-
-	return NULL;
-}
 
-/*
- * Like env_get, but prints an error if envvar isn't defined in the
- * environment.  It always returns what env_get does, so it can be used in
- * place of env_get without changing error handling otherwise.
- */
-char *from_env(const char *envvar)
-{
-	char *ret;
-
-	ret = env_get(envvar);
-
-	if (!ret)
-		printf("missing environment variable: %s\n", envvar);
-
-	return ret;
-}
-
-/*
- * Look up variable from environment for restricted C runtime env.
- */
-int env_get_f(const char *name, char *buf, unsigned len)
-{
-	int i, nxt, c;
-
-	for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) {
-		int val, n;
-
-		for (nxt = i; (c = env_get_char(nxt)) != '\0'; ++nxt) {
-			if (c < 0)
-				return c;
-			if (nxt >= CONFIG_ENV_SIZE)
-				return -1;
-		}
-
-		val = env_match((uchar *)name, i);
-		if (val < 0)
-			continue;
-
-		/* found; copy out */
-		for (n = 0; n < len; ++n, ++buf) {
-			c = env_get_char(val++);
-			if (c < 0)
-				return c;
-			*buf = c;
-			if (*buf == '\0')
-				return n;
-		}
-
-		if (n)
-			*--buf = '\0';
-
-		printf("env_buf [%u bytes] too small for value of \"%s\"\n",
-		       len, name);
-
-		return n;
-	}
-
-	return -1;
-}
-
-/**
- * Decode the integer value of an environment variable and return it.
- *
- * @param name		Name of environment variable
- * @param base		Number base to use (normally 10, or 16 for hex)
- * @param default_val	Default value to return if the variable is not
- *			found
- * @return the decoded value, or default_val if not found
- */
-ulong env_get_ulong(const char *name, int base, ulong default_val)
-{
-	/*
-	 * We can use env_get() here, even before relocation, since the
-	 * environment variable value is an integer and thus short.
-	 */
-	const char *str = env_get(name);
-
-	return str ? simple_strtoul(str, NULL, base) : default_val;
-}
-
-#ifndef CONFIG_SPL_BUILD
 #if defined(CONFIG_CMD_SAVEENV) && defined(ENV_IS_IN_DEVICE)
 static int do_env_save(struct cmd_tbl *cmdtp, int flag, int argc,
 		       char *const argv[])
@@ -816,21 +643,6 @@ static int do_env_select(struct cmd_tbl *cmdtp, int flag, int argc,
 
 #endif /* CONFIG_SPL_BUILD */
 
-int env_match(uchar *s1, int i2)
-{
-	if (s1 == NULL)
-		return -1;
-
-	while (*s1 == env_get_char(i2++))
-		if (*s1++ == '=')
-			return i2;
-
-	if (*s1 == '\0' && env_get_char(i2-1) == '=')
-		return i2;
-
-	return -1;
-}
-
 #ifndef CONFIG_SPL_BUILD
 static int do_env_default(struct cmd_tbl *cmdtp, int flag,
 			  int argc, char *const argv[])
diff --git a/env/common.c b/env/common.c
index 81e9e0b..db213b7 100644
--- a/env/common.c
+++ b/env/common.c
@@ -21,6 +21,8 @@
 #include <malloc.h>
 #include <u-boot/crc.h>
 #include <dm/ofnode.h>
+#include <net.h>
+#include <watchdog.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -34,6 +36,184 @@ struct hsearch_data env_htab = {
 };
 
 /*
+ * This env_set() function is defined in cmd/nvedit.c, since it calls
+ * _do_env_set(), whis is a static function in that file.
+ *
+ * int env_set(const char *varname, const char *varvalue);
+ */
+
+/**
+ * Set an environment variable to an integer value
+ *
+ * @param varname	Environment variable to set
+ * @param value		Value to set it to
+ * @return 0 if ok, 1 on error
+ */
+int env_set_ulong(const char *varname, ulong value)
+{
+	/* TODO: this should be unsigned */
+	char *str = simple_itoa(value);
+
+	return env_set(varname, str);
+}
+
+/**
+ * Set an environment variable to an value in hex
+ *
+ * @param varname	Environment variable to set
+ * @param value		Value to set it to
+ * @return 0 if ok, 1 on error
+ */
+int env_set_hex(const char *varname, ulong value)
+{
+	char str[17];
+
+	sprintf(str, "%lx", value);
+	return env_set(varname, str);
+}
+
+ulong env_get_hex(const char *varname, ulong default_val)
+{
+	const char *s;
+	ulong value;
+	char *endp;
+
+	s = env_get(varname);
+	if (s)
+		value = hextoul(s, &endp);
+	if (!s || endp == s)
+		return default_val;
+
+	return value;
+}
+
+int eth_env_get_enetaddr(const char *name, uint8_t *enetaddr)
+{
+	string_to_enetaddr(env_get(name), enetaddr);
+	return is_valid_ethaddr(enetaddr);
+}
+
+int eth_env_set_enetaddr(const char *name, const uint8_t *enetaddr)
+{
+	char buf[ARP_HLEN_ASCII + 1];
+
+	if (eth_env_get_enetaddr(name, (uint8_t *)buf))
+		return -EEXIST;
+
+	sprintf(buf, "%pM", enetaddr);
+
+	return env_set(name, buf);
+}
+
+/*
+ * Look up variable from environment,
+ * return address of storage for that variable,
+ * or NULL if not found
+ */
+char *env_get(const char *name)
+{
+	if (gd->flags & GD_FLG_ENV_READY) { /* after import into hashtable */
+		struct env_entry e, *ep;
+
+		WATCHDOG_RESET();
+
+		e.key	= name;
+		e.data	= NULL;
+		hsearch_r(e, ENV_FIND, &ep, &env_htab, 0);
+
+		return ep ? ep->data : NULL;
+	}
+
+	/* restricted capabilities before import */
+	if (env_get_f(name, (char *)(gd->env_buf), sizeof(gd->env_buf)) > 0)
+		return (char *)(gd->env_buf);
+
+	return NULL;
+}
+
+/*
+ * Like env_get, but prints an error if envvar isn't defined in the
+ * environment.  It always returns what env_get does, so it can be used in
+ * place of env_get without changing error handling otherwise.
+ */
+char *from_env(const char *envvar)
+{
+	char *ret;
+
+	ret = env_get(envvar);
+
+	if (!ret)
+		printf("missing environment variable: %s\n", envvar);
+
+	return ret;
+}
+
+/*
+ * Look up variable from environment for restricted C runtime env.
+ */
+int env_get_f(const char *name, char *buf, unsigned len)
+{
+	const char *env, *p, *end;
+	size_t name_len;
+
+	if (name == NULL || *name == '\0')
+		return -1;
+
+	name_len = strlen(name);
+
+	if (gd->env_valid == ENV_INVALID)
+		env = (const char *)default_environment;
+	else
+		env = (const char *)gd->env_addr;
+
+	for (p = env; *p != '\0'; p = end + 1) {
+		const char *value;
+		unsigned res;
+
+		for (end = p; *end != '\0'; ++end)
+			if (end - env >= CONFIG_ENV_SIZE)
+				return -1;
+
+		if (strncmp(name, p, name_len) || p[name_len] != '=')
+			continue;
+		value = &p[name_len + 1];
+
+		res = end - value;
+		memcpy(buf, value, min(len, res + 1));
+
+		if (len <= res) {
+			buf[len - 1] = '\0';
+			printf("env_buf [%u bytes] too small for value of \"%s\"\n",
+			       len, name);
+		}
+
+		return res;
+	}
+
+	return -1;
+}
+
+/**
+ * Decode the integer value of an environment variable and return it.
+ *
+ * @param name		Name of environment variable
+ * @param base		Number base to use (normally 10, or 16 for hex)
+ * @param default_val	Default value to return if the variable is not
+ *			found
+ * @return the decoded value, or default_val if not found
+ */
+ulong env_get_ulong(const char *name, int base, ulong default_val)
+{
+	/*
+	 * We can use env_get() here, even before relocation, since the
+	 * environment variable value is an integer and thus short.
+	 */
+	const char *str = env_get(name);
+
+	return str ? simple_strtoul(str, NULL, base) : default_val;
+}
+
+/*
  * Read an environment variable as a boolean
  * Return -1 if variable does not exist (default to true)
  */
diff --git a/env/eeprom.c b/env/eeprom.c
index 253bdf1..f8556a4 100644
--- a/env/eeprom.c
+++ b/env/eeprom.c
@@ -64,24 +64,6 @@ static int eeprom_bus_write(unsigned dev_addr, unsigned offset,
 	return rcode;
 }
 
-/** Call this function from overridden env_get_char_spec() if you need
- * this functionality.
- */
-int env_eeprom_get_char(int index)
-{
-	uchar c;
-	unsigned int off = CONFIG_ENV_OFFSET;
-
-#ifdef CONFIG_ENV_OFFSET_REDUND
-	if (gd->env_valid == ENV_REDUND)
-		off = CONFIG_ENV_OFFSET_REDUND;
-#endif
-	eeprom_bus_read(CONFIG_SYS_I2C_EEPROM_ADDR,
-			off + index + offsetof(env_t, data), &c, 1);
-
-	return c;
-}
-
 static int env_eeprom_load(void)
 {
 	char buf_env[CONFIG_ENV_SIZE];
diff --git a/env/env.c b/env/env.c
index e534008..e4dfb92 100644
--- a/env/env.c
+++ b/env/env.c
@@ -166,19 +166,6 @@ static struct env_driver *env_driver_lookup(enum env_operation op, int prio)
 	return drv;
 }
 
-__weak int env_get_char_spec(int index)
-{
-	return *(uchar *)(gd->env_addr + index);
-}
-
-int env_get_char(int index)
-{
-	if (gd->env_valid == ENV_INVALID)
-		return default_environment[index];
-	else
-		return env_get_char_spec(index);
-}
-
 int env_load(void)
 {
 	struct env_driver *drv;
diff --git a/env/nowhere.c b/env/nowhere.c
index 41557f5..1fcf503 100644
--- a/env/nowhere.c
+++ b/env/nowhere.c
@@ -31,9 +31,8 @@ static int env_nowhere_init(void)
 static int env_nowhere_load(void)
 {
 	/*
-	 * for SPL, set env_valid = ENV_INVALID is enough as env_get_char()
-	 * return the default env if env_get is used
-	 * and SPL don't used env_import to reduce its size
+	 * For SPL, setting env_valid = ENV_INVALID is enough, as env_get()
+	 * searches default_environment array in that case.
 	 * For U-Boot proper, import the default environment to allow reload.
 	 */
 	if (!IS_ENABLED(CONFIG_SPL_BUILD))
diff --git a/env/nvram.c b/env/nvram.c
index f412685..261b31e 100644
--- a/env/nvram.c
+++ b/env/nvram.c
@@ -42,20 +42,6 @@ extern void nvram_write(long dest, const void *src, size_t count);
 static env_t *env_ptr = (env_t *)CONFIG_ENV_ADDR;
 #endif
 
-#ifdef CONFIG_SYS_NVRAM_ACCESS_ROUTINE
-/** Call this function from overridden env_get_char_spec() if you need
- * this functionality.
- */
-int env_nvram_get_char(int index)
-{
-	uchar c;
-
-	nvram_read(&c, CONFIG_ENV_ADDR + index, 1);
-
-	return c;
-}
-#endif
-
 static int env_nvram_load(void)
 {
 	char buf[CONFIG_ENV_SIZE];
diff --git a/examples/api/glue.c b/examples/api/glue.c
index 91d1315..075d307 100644
--- a/examples/api/glue.c
+++ b/examples/api/glue.c
@@ -365,11 +365,6 @@ const char * ub_env_enum(const char *last)
 
 	env = NULL;
 
-	/*
-	 * It's OK to pass only the name piece as last (and not the whole
-	 * 'name=val' string), since the API_ENUM_ENV call uses env_match()
-	 * internally, which handles such case
-	 */
 	if (!syscall(API_ENV_ENUM, NULL, last, &env))
 		return NULL;
 
diff --git a/include/dm/util.h b/include/dm/util.h
index c634e47..17baf55 100644
--- a/include/dm/util.h
+++ b/include/dm/util.h
@@ -48,8 +48,6 @@ void dm_dump_driver_compat(void);
 /* Dump out a list of drivers with static platform data */
 void dm_dump_static_driver_info(void);
 
-#endif
-
 #if CONFIG_IS_ENABLED(OF_PLATDATA_INST) && CONFIG_IS_ENABLED(READ_ONLY)
 void *dm_priv_to_rw(void *priv);
 #else
@@ -58,3 +56,5 @@ static inline void *dm_priv_to_rw(void *priv)
 	return priv;
 }
 #endif
+
+#endif
diff --git a/include/env.h b/include/env.h
index d5e2bcb..ee5e30d 100644
--- a/include/env.h
+++ b/include/env.h
@@ -91,17 +91,6 @@ int env_init(void);
 void env_relocate(void);
 
 /**
- * env_match() - Match a name / name=value pair
- *
- * This is used prior to relocation for finding envrionment variables
- *
- * @name: A simple 'name', or a 'name=value' pair.
- * @index: The environment index for a 'name2=value2' pair.
- * @return index for the value if the names match, else -1.
- */
-int env_match(unsigned char *name, int index);
-
-/**
  * env_get() - Look up the value of an environment variable
  *
  * In U-Boot proper this can be called before relocation (which is when the
@@ -131,7 +120,8 @@ char *from_env(const char *envvar);
  * support reading the value (slowly) and some will not.
  *
  * @varname:	Variable to look up
- * @return value of variable, or NULL if not found
+ * @return actual length of the variable value excluding the terminating
+ *	NULL-byte, or -1 if the variable is not found
  */
 int env_get_f(const char *name, char *buf, unsigned int len);
 
@@ -360,16 +350,6 @@ char *env_get_default(const char *name);
 void env_set_default(const char *s, int flags);
 
 /**
- * env_get_char() - Get a character from the early environment
- *
- * This reads from the pre-relocation environment
- *
- * @index: Index of character to read (0 = first)
- * @return character read, or -ve on error
- */
-int env_get_char(int index);
-
-/**
  * env_reloc() - Relocate the 'env' sub-commands
  *
  * This is used for those unfortunate archs with crappy toolchains
diff --git a/tools/buildman/toolchain.py b/tools/buildman/toolchain.py
index fd137f7..4e2471f 100644
--- a/tools/buildman/toolchain.py
+++ b/tools/buildman/toolchain.py
@@ -498,7 +498,7 @@ class Toolchains:
         if arch == 'aarch64':
             arch = 'arm64'
         base = 'https://www.kernel.org/pub/tools/crosstool/files/bin'
-        versions = ['9.2.0', '7.3.0', '6.4.0', '4.9.4']
+        versions = ['11.1.0', '9.2.0', '7.3.0', '6.4.0', '4.9.4']
         links = []
         for version in versions:
             url = '%s/%s/%s/' % (base, arch, version)