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https://github.com/openwrt/openwrt.git
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9dfc2b3ca4
MediaTek published their current U-Boot patchset on github: https://github.com/mtk-openwrt/u-boot/commits/mtksoc Import the platform patches from there (`00-mtk-*.patch`), arrange, them nicely, drop no longer needed local patches and rebase on top of U-Boot 2021.04-rc3. Tested and works well on Linksys E8450 (snand-1ddr) as well as Bananapi BPi-R64 (sdmmc-2ddr, emmc-2ddr). Signed-off-by: Daniel Golle <daniel@makrotopia.org>
117 lines
2.9 KiB
Diff
117 lines
2.9 KiB
Diff
--- a/cmd/Kconfig
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+++ b/cmd/Kconfig
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@@ -465,6 +465,12 @@ config CMD_ENV_EXISTS
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Check if a variable is defined in the environment for use in
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shell scripting.
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+config CMD_ENV_READMEM
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+ bool "env readmem"
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+ default y
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+ help
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+ Store memory content into environment variable.
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+
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config CMD_ENV_CALLBACK
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bool "env callbacks - print callbacks and their associated variables"
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help
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--- a/cmd/nvedit.c
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+++ b/cmd/nvedit.c
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@@ -473,6 +473,60 @@ int do_env_ask(struct cmd_tbl *cmdtp, in
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}
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#endif
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+#if defined(CONFIG_CMD_ENV_READMEM)
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+int do_env_readmem(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
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+{
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+ char varstr[CONFIG_SYS_CBSIZE];
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+ const void *buf;
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+ char *local_args[4];
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+ ulong addr, bytes = 6;
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+ int hexdump = 0;
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+
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+ /*
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+ * Check the syntax:
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+ *
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+ * readmem [-b] name address [size]
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+ */
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+ if (argc < 3)
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+ return CMD_RET_USAGE;
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+
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+ local_args[0] = argv[0];
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+
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+ if (!strncmp(argv[1], "-b", 3))
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+ hexdump = 1;
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+
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+ local_args[1] = argv[hexdump + 1];
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+ local_args[2] = varstr;
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+ local_args[3] = NULL;
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+
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+ addr = simple_strtoul(argv[hexdump + 2], NULL, 16);
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+
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+ if (!hexdump)
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+ bytes = simple_strtoul(argv[hexdump + 3], NULL, 16);
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+
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+ if (bytes < 1)
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+ return 1;
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+
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+ if ((hexdump * 3) * bytes >= CONFIG_SYS_CBSIZE)
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+ return 1;
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+
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+ buf = map_sysmem(addr, bytes);
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+ if (!buf)
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+ return 1;
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+
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+ if (hexdump) {
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+ sprintf(varstr, "%pM", buf);
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+ } else {
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+ memcpy(varstr, buf, bytes);
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+ varstr[bytes] = '\0';
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+ }
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+ unmap_sysmem(buf);
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+
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+ /* Continue calling setenv code */
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+ return _do_env_set(flag, 3, local_args, H_INTERACTIVE);
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+}
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+#endif
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+
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#if defined(CONFIG_CMD_ENV_CALLBACK)
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static int print_static_binding(const char *var_name, const char *callback_name,
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void *priv)
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@@ -1377,6 +1431,9 @@ static struct cmd_tbl cmd_env_sub[] = {
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U_BOOT_CMD_MKENT(load, 1, 0, do_env_load, "", ""),
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#endif
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U_BOOT_CMD_MKENT(print, CONFIG_SYS_MAXARGS, 1, do_env_print, "", ""),
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+#if defined(CONFIG_CMD_ENV_READMEM)
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+ U_BOOT_CMD_MKENT(readmem, CONFIG_SYS_MAXARGS, 3, do_env_readmem, "", ""),
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+#endif
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#if defined(CONFIG_CMD_RUN)
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U_BOOT_CMD_MKENT(run, CONFIG_SYS_MAXARGS, 1, do_run, "", ""),
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#endif
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@@ -1465,6 +1522,9 @@ static char env_help_text[] =
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#if defined(CONFIG_CMD_NVEDIT_EFI)
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"env print -e [-guid guid] [-n] [name ...] - print UEFI environment\n"
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#endif
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+#if defined(CONFIG_CMD_ENV_READMEM)
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+ "env readmem [-b] name address size - read variable from memory\n"
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+#endif
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#if defined(CONFIG_CMD_RUN)
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"env run var [...] - run commands in an environment variable\n"
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#endif
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@@ -1574,6 +1634,17 @@ U_BOOT_CMD(
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);
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#endif
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+#if defined(CONFIG_CMD_ENV_READMEM)
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+U_BOOT_CMD_COMPLETE(
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+ readmem, CONFIG_SYS_MAXARGS, 3, do_env_readmem,
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+ "get environment variable from memory address",
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+ "name [-b] address size\n"
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+ " - store memory address to env variable\n"
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+ " \"-b\": read binary ethaddr",
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+ var_complete
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+);
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+#endif
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+
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#if defined(CONFIG_CMD_RUN)
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U_BOOT_CMD_COMPLETE(
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run, CONFIG_SYS_MAXARGS, 1, do_run,
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