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+/*
+ * 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
+
+/*
+ * We requires absolute addresses.
+ */
+#define PCIO_BASE 0
+
+/*
+ * 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__
+
+#ifdef CONFIG_PXA25x
+#define __cpu_is_pxa21x(id) \
+ ({ \
+ unsigned int _id = (id) >> 4 & 0xf3f; \
+ _id == 0x212; \
+ })
+
+#define __cpu_is_pxa255(id) \
+ ({ \
+ unsigned int _id = (id) >> 4 & 0xfff; \
+ _id == 0x2d0; \
+ })
+
+#define __cpu_is_pxa25x(id) \
+ ({ \
+ unsigned int _id = (id) >> 4 & 0xfff; \
+ _id == 0x2d0 || _id == 0x290; \
+ })
+#else
+#define __cpu_is_pxa21x(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
+
+#define cpu_is_pxa21x() \
+ ({ \
+ __cpu_is_pxa21x(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() \
+ ({ \
+ unsigned int id = read_cpuid(CPUID_ID); \
+ __cpu_is_pxa930(id); \
+ })
+
+/*
+ * CPUID Core Generation Bit
+ * <= 0x2 for pxa21x/pxa25x/pxa26x/pxa27x
+ * == 0x3 for pxa300/pxa310/pxa320
+ */
+#define __cpu_is_pxa2xx(id) \
+ ({ \
+ unsigned int _id = (id) >> 13 & 0x7; \
+ _id <= 0x2; \
+ })
+
+#define __cpu_is_pxa3xx(id) \
+ ({ \
+ unsigned int _id = (id) >> 13 & 0x7; \
+ _id == 0x3; \
+ })
+
+#define cpu_is_pxa2xx() \
+ ({ \
+ __cpu_is_pxa2xx(read_cpuid_id()); \
+ })
+
+#define cpu_is_pxa3xx() \
+ ({ \
+ __cpu_is_pxa3xx(read_cpuid_id()); \
+ })
+
+/*
+ * Handy routine to set GPIO alternate functions
+ */
+extern int pxa_gpio_mode( int gpio_mode );
+
+/*
+ * Return GPIO level, nonzero means high, zero is low
+ */
+extern int pxa_gpio_get_value(unsigned gpio);
+
+/*
+ * Set output GPIO level
+ */
+extern void pxa_gpio_set_value(unsigned gpio, int value);
+
+/*
+ * return current memory and LCD clock frequency in units of 10kHz
+ */
+extern unsigned int get_memclk_frequency_10khz(void);
+
+/*
+ * register GPIO as reset generator
+ */
+extern int init_gpio_reset(int gpio);
+
+#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
+#endif
+
+#endif /* _ASM_ARCH_HARDWARE_H */