ramdetect.c File Reference

#include <types.h>
#include <symbols.h>
#include <device/mmio.h>
#include <ramdetect.h>
#include <console/console.h>

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Macros
#define	OVERLAP(a, b, s, e)   ((b) > (s) && (a) < (e))
#define	MAX_ADDRESSABLE_SPACE   (sizeof(size_t) * 8 - 20 - 1)

Functions
int __weak	probe_mb (const uintptr_t dram_start, const uintptr_t size)
size_t	probe_ramsize (const uintptr_t dram_start, const size_t probe_size)

Macro Definition Documentation

MAX_ADDRESSABLE_SPACE

#define MAX_ADDRESSABLE_SPACE   (sizeof(size_t) * 8 - 20 - 1)

Definition at line 37 of file ramdetect.c.

OVERLAP

#define OVERLAP	(		a,
			b,
			s,
			e
	)		((b) > (s) && (a) < (e))

Definition at line 9 of file ramdetect.c.

Function Documentation

probe_mb()

int __weak probe_mb	(	const uintptr_t	dram_start,
		const uintptr_t	size
	)

Definition at line 11 of file ramdetect.c.

References addr, ARRAY_SIZE, MiB, OVERLAP, read32(), and write32().

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probe_ramsize()

size_t probe_ramsize	(	const uintptr_t	dram_start,
		const size_t	probe_size
	)

Definition at line 40 of file ramdetect.c.

References BIOS_DEBUG, MAX_ADDRESSABLE_SPACE, MIN, printk, and probe_mb().

Referenced by cbmem_top_chipset(), and mainboard_enable().

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