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/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef __MEM_MALLOC_H
#define __MEM_MALLOC_H
#include <linux/types.h>
#include <linux/list.h>
#include <linux/ioport.h>
void mem_malloc_init(void *start, void *end);
ulong mem_malloc_start(void);
ulong mem_malloc_end(void);
static inline ulong mem_malloc_size(void)
{
return mem_malloc_end() - mem_malloc_start() + 1;
}
struct memory_bank {
struct list_head list;
unsigned long start;
unsigned long size;
struct resource *res;
};
extern struct list_head memory_banks;
int barebox_add_memory_bank(const char *name, resource_size_t start,
resource_size_t size);
#define for_each_memory_bank(mem) list_for_each_entry(mem, &memory_banks, list)
#define for_each_reserved_region(mem, rsv) \
list_for_each_entry(rsv, &(mem)->res->children, sibling) \
if (((rsv)->flags & IORESOURCE_BUSY))
struct resource *__request_sdram_region(const char *name, unsigned flags,
resource_size_t start, resource_size_t size);
static inline struct resource *request_sdram_region(const char *name,
resource_size_t start,
resource_size_t size)
{
/* IORESOURCE_MEM is implicit for all SDRAM regions */
return __request_sdram_region(name, 0, start, size);
}
struct resource *reserve_sdram_region(const char *name, resource_size_t start,
resource_size_t size);
int release_sdram_region(struct resource *res);
void memory_bank_find_space(struct memory_bank *bank, resource_size_t *retstart,
resource_size_t *retend);
int memory_bank_first_find_space(resource_size_t *retstart,
resource_size_t *retend);
static inline u64 memory_sdram_size(unsigned int cols,
unsigned int rows,
unsigned int banks,
unsigned int width)
{
return (u64)banks * width << (rows + cols);
}
#endif
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