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arm64: mm: reserve memory region for uboot

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Signed-off-by: CMY <cmy@rock-chips.com>
This commit is contained in:
CMY
2015-03-02 11:44:54 +08:00
parent c9bbb3032c
commit 9b094d9d58
1 changed files with 9 additions and 17 deletions
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26
arch/arm64/mm/init.c
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@@ -39,6 +39,10 @@
#include <asm/sizes.h>
#include <asm/tlb.h>
#ifdef CONFIG_ARCH_ROCKCHIP
#include <linux/rockchip/common.h>
#endif
#include "mm.h"
static unsigned long phys_initrd_start __initdata = 0;
@@ -143,22 +147,6 @@ static void arm64_memory_present(void)
}
#endif
#ifdef CONFIG_ARCH_ROCKCHIP
extern struct ion_platform_data ion_pdata;
extern void __init ion_reserve(struct ion_platform_data *data);
extern int __init rockchip_ion_find_heap(unsigned long node,
const char *uname, int depth, void *data);
void __init rockchip_ion_reserve_bit64(void)
{
#ifdef CONFIG_ION_ROCKCHIP
printk("%s\n", __func__);
of_scan_flat_dt(rockchip_ion_find_heap, (void*)&ion_pdata);
ion_reserve(&ion_pdata);
#endif
}
#endif
void __init arm64_memblock_init(void)
{
u64 *reserve_map, base, size;
@@ -200,7 +188,11 @@ void __init arm64_memblock_init(void)
early_init_fdt_scan_reserved_mem();
#ifdef CONFIG_ARCH_ROCKCHIP
rockchip_ion_reserve_bit64();
/* reserve memory for uboot */
rockchip_uboot_mem_reserve();
/* reserve memory for ION */
rockchip_ion_reserve();
#endif
/* 4GB maximum for 32-bit only capable devices */