linux_dsm_epyc7002/arch/arm/mach-pxa/include/mach/memory.h
Russell King 3719ec5077 [ARM] Ensure that both MAX_DMA_ADDRESS and ISA_DMA_THRESHOLD are defined
Both of these symbols should be defined by a platform, or neither
should be defined.  Ensure that all platforms conform.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-11-30 13:26:47 +00:00

44 lines
1.2 KiB
C

/*
* arch/arm/mach-pxa/include/mach/memory.h
*
* Author: Nicolas Pitre
* Copyright: (C) 2001 MontaVista Software Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __ASM_ARCH_MEMORY_H
#define __ASM_ARCH_MEMORY_H
/*
* Physical DRAM offset.
*/
#define PHYS_OFFSET UL(0xa0000000)
/*
* The nodes are matched with the physical SDRAM banks as follows:
*
* node 0: 0xa0000000-0xa3ffffff --> 0xc0000000-0xc3ffffff
* node 1: 0xa4000000-0xa7ffffff --> 0xc4000000-0xc7ffffff
* node 2: 0xa8000000-0xabffffff --> 0xc8000000-0xcbffffff
* node 3: 0xac000000-0xafffffff --> 0xcc000000-0xcfffffff
*
* This needs a node mem size of 26 bits.
*/
#define NODE_MEM_SIZE_BITS 26
#if !defined(__ASSEMBLY__) && defined(CONFIG_MACH_ARMCORE) && defined(CONFIG_PCI)
void cmx2xx_pci_adjust_zones(int node, unsigned long *size,
unsigned long *holes);
#define arch_adjust_zones(node, size, holes) \
cmx2xx_pci_adjust_zones(node, size, holes)
#define ISA_DMA_THRESHOLD (PHYS_OFFSET + SZ_64M - 1)
#define MAX_DMA_ADDRESS (PAGE_OFFSET + SZ_64M)
#endif
#endif