arch/mips/include/asm/yamon-dt.h

Source file repositories/reference/linux-study-clean/arch/mips/include/asm/yamon-dt.h

File Facts

System
Linux kernel
Corpus path
arch/mips/include/asm/yamon-dt.h
Extension
.h
Size
1717 bytes
Lines
61
Domain
Architecture Layer
Bucket
arch/mips
Inferred role
Architecture Layer: implementation source
Status
source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

struct yamon_mem_region {
	phys_addr_t	start;
	phys_addr_t	size;
	phys_addr_t	discard;
};

/**
 * yamon_dt_append_cmdline() - Append YAMON-provided command line to /chosen
 * @fdt: the FDT blob
 *
 * Write the YAMON-provided command line to the bootargs property of the
 * /chosen node in @fdt.
 *
 * Return: 0 on success, else -errno
 */
extern __init int yamon_dt_append_cmdline(void *fdt);

/**
 * yamon_dt_append_memory() - Append YAMON-provided memory info to /memory
 * @fdt:	the FDT blob
 * @regions:	zero size terminated array of physical memory regions
 *
 * Generate a /memory node in @fdt based upon memory size information provided
 * by YAMON in its environment and the @regions array.
 *
 * Return: 0 on success, else -errno
 */
extern __init int yamon_dt_append_memory(void *fdt,
					const struct yamon_mem_region *regions);

/**
 * yamon_dt_serial_config() - Append YAMON-provided serial config to /chosen
 * @fdt: the FDT blob
 *
 * Generate a stdout-path property in the /chosen node of @fdt, based upon
 * information provided in the YAMON environment about the UART configuration
 * of the system.
 *
 * Return: 0 on success, else -errno
 */
extern __init int yamon_dt_serial_config(void *fdt);

#endif /* __MIPS_ASM_YAMON_DT_H__ */

Annotation

Implementation Notes