arch/arm/mach-ux500/include/mach/hardware.h

   1 /*
   2  * Copyright (C) 2009 ST-Ericsson.
   3  *
   4  * U8500 hardware definitions
   5  *
   6  * This file is licensed under  the terms of the GNU General Public
   7  * License version 2. This program is licensed "as is" without any
   8  * warranty of any kind, whether express or implied.
   9  */
  10 #ifndef __MACH_HARDWARE_H
  11 #define __MACH_HARDWARE_H
  12
  13 /* macros to get at IO space when running virtually
  14  * We dont map all the peripherals, let ioremap do
  15  * this for us. We map only very basic peripherals here.
  16  */
  17 #define U8500_IO_VIRTUAL        0xf0000000
  18 #define U8500_IO_PHYSICAL       0xa0000000
  19
  20 /* this macro is used in assembly, so no cast */
  21 #define IO_ADDRESS(x)           \
  22         (((x) & 0x0fffffff) + (((x) >> 4) & 0x0f000000) + U8500_IO_VIRTUAL)
  23
  24 /* typesafe io address */
  25 #define __io_address(n)         __io(IO_ADDRESS(n))
  26 /* used by some plat-nomadik code */
  27 #define io_p2v(n)               __io_address(n)
  28
  29 #include <mach/db8500-regs.h>
  30 #include <mach/db5500-regs.h>
  31
  32 /* ST-Ericsson modified pl022 id */
  33 #define SSP_PER_ID              0x01080022
  34
  35 #ifndef __ASSEMBLY__
  36
  37 #include <asm/cputype.h>
  38
  39 static inline bool cpu_is_u8500(void)
  40 {
  41 #ifdef CONFIG_UX500_SOC_DB8500
  42         return 1;
  43 #else
  44         return 0;
  45 #endif
  46 }
  47
  48 #define CPUID_DB8500ED  0x410fc090
  49 #define CPUID_DB8500V1  0x411fc091
  50 #define CPUID_DB8500V2  0x412fc091
  51
  52 static inline bool cpu_is_u8500ed(void)
  53 {
  54         return cpu_is_u8500() && (read_cpuid_id() == CPUID_DB8500ED);
  55 }
  56
  57 static inline bool cpu_is_u8500v1(void)
  58 {
  59         return cpu_is_u8500() && (read_cpuid_id() == CPUID_DB8500V1);
  60 }
  61
  62 static inline bool cpu_is_u8500v2(void)
  63 {
  64         return cpu_is_u8500() && (read_cpuid_id() == CPUID_DB8500V2);
  65 }
  66
  67 #ifdef CONFIG_UX500_SOC_DB8500
  68 bool cpu_is_u8500v10(void);
  69 bool cpu_is_u8500v11(void);
  70 bool cpu_is_u8500v20(void);
  71 #else
  72 static inline bool cpu_is_u8500v10(void) { return false; }
  73 static inline bool cpu_is_u8500v11(void) { return false; }
  74 static inline bool cpu_is_u8500v20(void) { return false; }
  75 #endif
  76
  77 static inline bool cpu_is_u5500(void)
  78 {
  79 #ifdef CONFIG_UX500_SOC_DB5500
  80         return 1;
  81 #else
  82         return 0;
  83 #endif
  84 }
  85
  86 #define ARRAY_AND_SIZE(x)       (x), ARRAY_SIZE(x)
  87 #define ux500_unknown_soc()     BUG()
  88
  89 #endif
  90
  91 #endif                          /* __MACH_HARDWARE_H */