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riscv: remove CONFIG_ARCH_MAP_SYSMEM from io.h

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Commit ba1ed5b022 ("Convert CONFIG_ARCH_MAP_SYSMEM to Kconfig") clearly
defined that this option is available for SANDBOX (was also for already
removed NDS32). That's why there is no way how this code can be enabled
with current Kconfig layout for riscv.
Based on this removing this code.

Signed-off-by: Michal Simek <michal.simek@amd.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Michal Simek 2022-05-18 12:54:01 +02:00 committed by Leo Yu-Chi Liang
parent 73872eb05a
commit 8ac37b461c
1 changed files with 0 additions and 22 deletions
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22
arch/riscv/include/asm/io.h
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@ -17,28 +17,6 @@ static inline void sync(void)
{
}
#ifdef CONFIG_ARCH_MAP_SYSMEM
static inline void *map_sysmem(phys_addr_t paddr, unsigned long len)
{
if (paddr < PHYS_SDRAM_0_SIZE + PHYS_SDRAM_1_SIZE)
paddr = paddr | 0x40000000;
return (void *)(uintptr_t)paddr;
}
static inline void *unmap_sysmem(const void *vaddr)
{
phys_addr_t paddr = (phys_addr_t)vaddr;
paddr = paddr & ~0x40000000;
return (void *)(uintptr_t)paddr;
}
static inline phys_addr_t map_to_sysmem(const void *ptr)
{
return (phys_addr_t)(uintptr_t)ptr;
}
#endif
/*
* Generic virtual read/write. Note that we don't support half-word
* read/writes. We define __arch_*[bl] here, and leave __arch_*w