Merge tag 'mips-pull-2022-07-13' of https://source.denx.de/u-boot/custodians/u-boot-mips

- MIPS: add drivers and board support for Mediatek MT7621 SoC

1 files changed, 20 insertions, 0 deletions

diff --git a/arch/mips/include/asm/system.h b/arch/mips/include/asm/system.h
index 79e638844b..89a2ac209f 100644
--- a/arch/mips/include/asm/system.h
+++ b/arch/mips/include/asm/system.h
@@ -282,4 +282,24 @@ static inline void instruction_hazard_barrier(void)
 	: "=&r"(tmp));
 }
 
+#ifdef CONFIG_SYS_NONCACHED_MEMORY
+/* 1MB granularity */
+#define MMU_SECTION_SHIFT	20
+#define MMU_SECTION_SIZE	(1 << MMU_SECTION_SHIFT)
+
+/**
+ * noncached_init() - Initialize non-cached memory region
+ *
+ * Initialize non-cached memory area. This memory region will be typically
+ * located right below the malloc() area and be accessed from KSEG1.
+ *
+ * It is called during the generic post-relocation init sequence.
+ *
+ * Return: 0 if OK
+ */
+int noncached_init(void);
+
+phys_addr_t noncached_alloc(size_t size, size_t align);
+#endif /* CONFIG_SYS_NONCACHED_MEMORY */
+
 #endif /* _ASM_SYSTEM_H */