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https://github.com/edk2-porting/linux-next.git
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c9d95fbe59
Convert PCIBIOS_MIN_IO and PCIBIOS_MIN_MEM to variables to allow multi-platform builds. This also removes the requirement for a platform to have a mach/hardware.h. The default values for i/o and mem are 0x1000 and 0x01000000, respectively. Per Arnd Bergmann, other values are likely to be incorrect, but this commit does not try to address that issue. Signed-off-by: Rob Herring <rob.herring@calxeda.com> Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org> Reviewed-by: Arnd Bergmann <arnd@arndb.de>
80 lines
1.9 KiB
C
80 lines
1.9 KiB
C
/*
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* arch/arm/mach-sa1100/include/mach/hardware.h
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*
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* Copyright (C) 1998 Nicolas Pitre <nico@fluxnic.net>
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*
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* This file contains the hardware definitions for SA1100 architecture
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*
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* 2000/05/23 John Dorsey <john+@cs.cmu.edu>
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* Definitions for SA1111 added.
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*/
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#ifndef __ASM_ARCH_HARDWARE_H
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#define __ASM_ARCH_HARDWARE_H
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#define UNCACHEABLE_ADDR 0xfa050000
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/*
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* SA1100 internal I/O mappings
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*
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* We have the following mapping:
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* phys virt
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* 80000000 f8000000
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* 90000000 fa000000
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* a0000000 fc000000
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* b0000000 fe000000
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*/
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#define VIO_BASE 0xf8000000 /* virtual start of IO space */
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#define VIO_SHIFT 3 /* x = IO space shrink power */
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#define PIO_START 0x80000000 /* physical start of IO space */
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#define io_p2v( x ) \
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( (((x)&0x00ffffff) | (((x)&0x30000000)>>VIO_SHIFT)) + VIO_BASE )
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#define io_v2p( x ) \
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( (((x)&0x00ffffff) | (((x)&(0x30000000>>VIO_SHIFT))<<VIO_SHIFT)) + PIO_START )
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#define CPU_SA1110_A0 (0)
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#define CPU_SA1110_B0 (4)
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#define CPU_SA1110_B1 (5)
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#define CPU_SA1110_B2 (6)
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#define CPU_SA1110_B4 (8)
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#define CPU_SA1100_ID (0x4401a110)
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#define CPU_SA1100_MASK (0xfffffff0)
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#define CPU_SA1110_ID (0x6901b110)
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#define CPU_SA1110_MASK (0xfffffff0)
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#ifndef __ASSEMBLY__
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#include <asm/cputype.h>
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#define CPU_REVISION (read_cpuid_id() & 15)
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#define cpu_is_sa1100() ((read_cpuid_id() & CPU_SA1100_MASK) == CPU_SA1100_ID)
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#define cpu_is_sa1110() ((read_cpuid_id() & CPU_SA1110_MASK) == CPU_SA1110_ID)
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# define __REG(x) (*((volatile unsigned long *)io_p2v(x)))
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# define __PREG(x) (io_v2p((unsigned long)&(x)))
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static inline unsigned long get_clock_tick_rate(void)
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{
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return 3686400;
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}
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#else
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# define __REG(x) io_p2v(x)
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# define __PREG(x) io_v2p(x)
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#endif
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#include "SA-1100.h"
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#ifdef CONFIG_SA1101
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#include "SA-1101.h"
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#endif
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#endif /* _ASM_ARCH_HARDWARE_H */
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