/* * arch/arm/mach-pxa/include/mach/hardware.h * * Author: Nicolas Pitre * Created: Jun 15, 2001 * Copyright: 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_HARDWARE_H #define __ASM_ARCH_HARDWARE_H #include /* * Workarounds for at least 2 errata so far require this. * The mapping is set in mach-pxa/generic.c. */ #define UNCACHED_PHYS_0 0xff000000 #define UNCACHED_ADDR UNCACHED_PHYS_0 /* * Intel PXA2xx internal register mapping: * * 0x40000000 - 0x41ffffff <--> 0xf2000000 - 0xf3ffffff * 0x44000000 - 0x45ffffff <--> 0xf4000000 - 0xf5ffffff * 0x48000000 - 0x49ffffff <--> 0xf6000000 - 0xf7ffffff * 0x4c000000 - 0x4dffffff <--> 0xf8000000 - 0xf9ffffff * 0x50000000 - 0x51ffffff <--> 0xfa000000 - 0xfbffffff * 0x54000000 - 0x55ffffff <--> 0xfc000000 - 0xfdffffff * 0x58000000 - 0x59ffffff <--> 0xfe000000 - 0xffffffff * * Note that not all PXA2xx chips implement all those addresses, and the * kernel only maps the minimum needed range of this mapping. */ #define io_p2v(x) (0xf2000000 + ((x) & 0x01ffffff) + (((x) & 0x1c000000) >> 1)) #define io_v2p(x) (0x3c000000 + ((x) & 0x01ffffff) + (((x) & 0x0e000000) << 1)) #ifndef __ASSEMBLY__ # define __REG(x) (*((volatile u32 *)io_p2v(x))) /* With indexed regs we don't want to feed the index through io_p2v() especially if it is a variable, otherwise horrible code will result. */ # define __REG2(x,y) \ (*(volatile u32 *)((u32)&__REG(x) + (y))) # define __PREG(x) (io_v2p((u32)&(x))) #else # define __REG(x) io_p2v(x) # define __PREG(x) io_v2p(x) #endif #ifndef __ASSEMBLY__ #include /* * CPU Stepping CPU_ID JTAG_ID * * PXA210 B0 0x69052922 0x2926C013 * PXA210 B1 0x69052923 0x3926C013 * PXA210 B2 0x69052924 0x4926C013 * PXA210 C0 0x69052D25 0x5926C013 * * PXA250 A0 0x69052100 0x09264013 * PXA250 A1 0x69052101 0x19264013 * PXA250 B0 0x69052902 0x29264013 * PXA250 B1 0x69052903 0x39264013 * PXA250 B2 0x69052904 0x49264013 * PXA250 C0 0x69052D05 0x59264013 * * PXA255 A0 0x69052D06 0x69264013 * * PXA26x A0 0x69052903 0x39264013 * PXA26x B0 0x69052D05 0x59264013 * * PXA27x A0 0x69054110 0x09265013 * PXA27x A1 0x69054111 0x19265013 * PXA27x B0 0x69054112 0x29265013 * PXA27x B1 0x69054113 0x39265013 * PXA27x C0 0x69054114 0x49265013 * PXA27x C5 0x69054117 0x79265013 * * PXA30x A0 0x69056880 0x0E648013 * PXA30x A1 0x69056881 0x1E648013 * PXA31x A0 0x69056890 0x0E649013 * PXA31x A1 0x69056891 0x1E649013 * PXA31x A2 0x69056892 0x2E649013 * PXA32x B1 0x69056825 0x5E642013 * PXA32x B2 0x69056826 0x6E642013 * * PXA930 B0 0x69056835 0x5E643013 * PXA930 B1 0x69056837 0x7E643013 * PXA930 B2 0x69056838 0x8E643013 * * PXA935 A0 0x56056931 0x1E653013 * PXA935 B0 0x56056936 0x6E653013 * PXA935 B1 0x56056938 0x8E653013 */ #ifdef CONFIG_PXA25x #define __cpu_is_pxa210(id) \ ({ \ unsigned int _id = (id) & 0xf3f0; \ _id == 0x2120; \ }) #define __cpu_is_pxa250(id) \ ({ \ unsigned int _id = (id) & 0xf3ff; \ _id <= 0x2105; \ }) #define __cpu_is_pxa255(id) \ ({ \ unsigned int _id = (id) & 0xffff; \ _id == 0x2d06; \ }) #define __cpu_is_pxa25x(id) \ ({ \ unsigned int _id = (id) & 0xf300; \ _id == 0x2100; \ }) #else #define __cpu_is_pxa210(id) (0) #define __cpu_is_pxa250(id) (0) #define __cpu_is_pxa255(id) (0) #define __cpu_is_pxa25x(id) (0) #endif #ifdef CONFIG_PXA27x #define __cpu_is_pxa27x(id) \ ({ \ unsigned int _id = (id) >> 4 & 0xfff; \ _id == 0x411; \ }) #else #define __cpu_is_pxa27x(id) (0) #endif #ifdef CONFIG_CPU_PXA300 #define __cpu_is_pxa300(id) \ ({ \ unsigned int _id = (id) >> 4 & 0xfff; \ _id == 0x688; \ }) #else #define __cpu_is_pxa300(id) (0) #endif #ifdef CONFIG_CPU_PXA310 #define __cpu_is_pxa310(id) \ ({ \ unsigned int _id = (id) >> 4 & 0xfff; \ _id == 0x689; \ }) #else #define __cpu_is_pxa310(id) (0) #endif #ifdef CONFIG_CPU_PXA320 #define __cpu_is_pxa320(id) \ ({ \ unsigned int _id = (id) >> 4 & 0xfff; \ _id == 0x603 || _id == 0x682; \ }) #else #define __cpu_is_pxa320(id) (0) #endif #ifdef CONFIG_CPU_PXA930 #define __cpu_is_pxa930(id) \ ({ \ unsigned int _id = (id) >> 4 & 0xfff; \ _id == 0x683; \ }) #else #define __cpu_is_pxa930(id) (0) #endif #ifdef CONFIG_CPU_PXA935 #define __cpu_is_pxa935(id) \ ({ \ unsigned int _id = (id) >> 4 & 0xfff; \ _id == 0x693; \ }) #else #define __cpu_is_pxa935(id) (0) #endif #ifdef CONFIG_CPU_PXA950 #define __cpu_is_pxa950(id) \ ({ \ unsigned int _id = (id) >> 4 & 0xfff; \ _id == 0x697; \ }) #else #define __cpu_is_pxa950(id) (0) #endif #define cpu_is_pxa210() \ ({ \ __cpu_is_pxa210(read_cpuid_id()); \ }) #define cpu_is_pxa250() \ ({ \ __cpu_is_pxa250(read_cpuid_id()); \ }) #define cpu_is_pxa255() \ ({ \ __cpu_is_pxa255(read_cpuid_id()); \ }) #define cpu_is_pxa25x() \ ({ \ __cpu_is_pxa25x(read_cpuid_id()); \ }) #define cpu_is_pxa27x() \ ({ \ __cpu_is_pxa27x(read_cpuid_id()); \ }) #define cpu_is_pxa300() \ ({ \ __cpu_is_pxa300(read_cpuid_id()); \ }) #define cpu_is_pxa310() \ ({ \ __cpu_is_pxa310(read_cpuid_id()); \ }) #define cpu_is_pxa320() \ ({ \ __cpu_is_pxa320(read_cpuid_id()); \ }) #define cpu_is_pxa930() \ ({ \ __cpu_is_pxa930(read_cpuid_id()); \ }) #define cpu_is_pxa935() \ ({ \ __cpu_is_pxa935(read_cpuid_id()); \ }) #define cpu_is_pxa950() \ ({ \ __cpu_is_pxa950(read_cpuid_id()); \ }) /* * CPUID Core Generation Bit * <= 0x2 for pxa21x/pxa25x/pxa26x/pxa27x */ #if defined(CONFIG_PXA25x) || defined(CONFIG_PXA27x) #define __cpu_is_pxa2xx(id) \ ({ \ unsigned int _id = (id) >> 13 & 0x7; \ _id <= 0x2; \ }) #else #define __cpu_is_pxa2xx(id) (0) #endif #ifdef CONFIG_PXA3xx #define __cpu_is_pxa3xx(id) \ ({ \ __cpu_is_pxa300(id) \ || __cpu_is_pxa310(id) \ || __cpu_is_pxa320(id) \ || __cpu_is_pxa93x(id); \ }) #else #define __cpu_is_pxa3xx(id) (0) #endif #if defined(CONFIG_CPU_PXA930) || defined(CONFIG_CPU_PXA935) #define __cpu_is_pxa93x(id) \ ({ \ __cpu_is_pxa930(id) \ || __cpu_is_pxa935(id); \ }) #else #define __cpu_is_pxa93x(id) (0) #endif #define cpu_is_pxa2xx() \ ({ \ __cpu_is_pxa2xx(read_cpuid_id()); \ }) #define cpu_is_pxa3xx() \ ({ \ __cpu_is_pxa3xx(read_cpuid_id()); \ }) #define cpu_is_pxa93x() \ ({ \ __cpu_is_pxa93x(read_cpuid_id()); \ }) /* * return current memory and LCD clock frequency in units of 10kHz */ extern unsigned int get_memclk_frequency_10khz(void); /* return the clock tick rate of the OS timer */ extern unsigned long get_clock_tick_rate(void); #endif #if defined(CONFIG_MACH_ARMCORE) && defined(CONFIG_PCI) #define PCIBIOS_MIN_IO 0 #define PCIBIOS_MIN_MEM 0 #define pcibios_assign_all_busses() 1 #define ARCH_HAS_DMA_SET_COHERENT_MASK #endif #endif /* _ASM_ARCH_HARDWARE_H */