diff options
Diffstat (limited to 'include/configs/sunxi-common.h')
| -rw-r--r-- | include/configs/sunxi-common.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/configs/sunxi-common.h b/include/configs/sunxi-common.h index 0b4f0a07b7..bd7d049277 100644 --- a/include/configs/sunxi-common.h +++ b/include/configs/sunxi-common.h @@ -13,6 +13,22 @@ #ifndef _SUNXI_COMMON_CONFIG_H #define _SUNXI_COMMON_CONFIG_H +#ifdef CONFIG_OLD_SUNXI_KERNEL_COMPAT +/* + * The U-Boot workarounds bugs in the outdated buggy sunxi-3.4 kernels at the + * expense of restricting some features, so the regular machine id values can + * be used. + */ +# define CONFIG_MACH_TYPE_COMPAT_REV 0 +#else +/* + * A compatibility guard to prevent loading outdated buggy sunxi-3.4 kernels. + * Only sunxi-3.4 kernels with appropriate fixes applied are able to pass + * beyond the machine id check. + */ +# define CONFIG_MACH_TYPE_COMPAT_REV 1 +#endif + /* * High Level Configuration Options */ |