packages/hal/arm/mx27/karo/v1_0/include/karo_tx27.h

   1 #ifndef CYGONCE_KARO_TX27_H
   2 #define CYGONCE_KARO_TX27_H
   3
   4 //=============================================================================
   5 //
   6 //      Platform specific support (register layout, etc)
   7 //
   8 //=============================================================================
   9 //####ECOSGPLCOPYRIGHTBEGIN####
  10 // -------------------------------------------
  11 // This file is part of eCos, the Embedded Configurable Operating System.
  12 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
  13 //
  14 // eCos is free software; you can redistribute it and/or modify it under
  15 // the terms of the GNU General Public License as published by the Free
  16 // Software Foundation; either version 2 or (at your option) any later version.
  17 //
  18 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
  19 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
  20 // FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  21 // for more details.
  22 //
  23 // You should have received a copy of the GNU General Public License along
  24 // with eCos; if not, write to the Free Software Foundation, Inc.,
  25 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  26 //
  27 // As a special exception, if other files instantiate templates or use macros
  28 // or inline functions from this file, or you compile this file and link it
  29 // with other works to produce a work based on this file, this file does not
  30 // by itself cause the resulting work to be covered by the GNU General Public
  31 // License. However the source code for this file must still be made available
  32 // in accordance with section (3) of the GNU General Public License.
  33 //
  34 // This exception does not invalidate any other reasons why a work based on
  35 // this file might be covered by the GNU General Public License.
  36 //
  37 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
  38 // at http://sources.redhat.com/ecos/ecos-license/
  39 // -------------------------------------------
  40 //####ECOSGPLCOPYRIGHTEND####
  41 //===========================================================================
  42
  43 #include <cyg/hal/hal_soc.h>    // Hardware definitions
  44
  45 #include CYGHWR_MEMORY_LAYOUT_H
  46
  47 #define SZ_1K                   0x00000400
  48 #define SZ_2K                   0x00000800
  49 #define SZ_4K                   0x00001000
  50 #define SZ_8K                   0x00002000
  51 #define SZ_16K                  0x00004000
  52 #define SZ_32K                  0x00008000
  53 #define SZ_64K                  0x00010000
  54 #define SZ_128K                 0x00020000
  55 #define SZ_256K                 0x00040000
  56 #define SZ_512K                 0x00080000
  57 #define SZ_1M                   0x00100000
  58 #define SZ_2M                   0x00200000
  59 #define SZ_4M                   0x00400000
  60 #define SZ_8M                   0x00800000
  61 #define SZ_16M                  0x01000000
  62 #define SZ_32M                  0x02000000
  63 #define SZ_64M                  0x04000000
  64 #define SZ_128M                 0x08000000
  65 #define SZ_256M                 0x10000000
  66 #define SZ_512M                 0x20000000
  67 #define SZ_1G                   0x40000000
  68
  69 #define RAM_BANK0_BASE          SOC_CSD0_BASE
  70 #define TX27_SDRAM_SIZE         SDRAM_SIZE
  71
  72 #define TX27_LED_MASK           (1 << 13)
  73 #define TX27_LED_REG_ADDR       (SOC_GPIOF_BASE + GPIO_DR)
  74
  75 #define LED_MAX_NUM             1
  76
  77 #define LED_IS_ON(n) ({                                                                 \
  78         CYG_WORD32 __val;                                                                       \
  79         HAL_READ_UINT32(SOC_GPIOF_BASE + GPIO_DR, __val);       \
  80         __val & TX27_LED_MASK;                                                          \
  81 })                                                                                                              \
  82
  83 #define TURN_LED_ON(n)                                                  \
  84         CYG_MACRO_START                                                         \
  85         CYG_WORD32 __val;                                                       \
  86         HAL_READ_UINT32(TX27_LED_REG_ADDR, __val);      \
  87         __val |= TX27_LED_MASK;                                         \
  88         HAL_WRITE_UINT32(TX27_LED_REG_ADDR, __val);     \
  89         CYG_MACRO_END                                                           \
  90
  91 #define TURN_LED_OFF(n)                                                 \
  92         CYG_MACRO_START                                                         \
  93         CYG_WORD32 __val;                                                       \
  94         HAL_READ_UINT32(TX27_LED_REG_ADDR, __val);      \
  95         __val &= ~TX27_LED_MASK;                                        \
  96         HAL_WRITE_UINT32(TX27_LED_REG_ADDR, __val);     \
  97         CYG_MACRO_END
  98
  99 #define BOARD_DEBUG_LED(n)                                              \
 100         CYG_MACRO_START                                                         \
 101         if (n >= 0 && n < LED_MAX_NUM) {                        \
 102                 if (LED_IS_ON(n))                                               \
 103                         TURN_LED_OFF(n);                                        \
 104                 else                                                                    \
 105                         TURN_LED_ON(n);                                         \
 106         }                                                                                       \
 107         CYG_MACRO_END
 108
 109 #define BLINK_LED(l, n)                                                 \
 110         CYG_MACRO_START                                                         \
 111         int _i;                                                                         \
 112         for (_i = 0; _i < (n); _i++) {                          \
 113                 BOARD_DEBUG_LED(l);                                             \
 114                 HAL_DELAY_US(200000);                                   \
 115                 BOARD_DEBUG_LED(l);                                             \
 116                 HAL_DELAY_US(300000);                                   \
 117         }                                                                                       \
 118         HAL_DELAY_US(1000000);                                          \
 119         CYG_MACRO_END
 120
 121 #if !defined(__ASSEMBLER__)
 122 enum {
 123         BOARD_TYPE_TX27KARO,
 124 };
 125
 126 #define gpio_tst_bit(grp, gpio)         _gpio_tst_bit(grp, gpio, __FUNCTION__, __LINE__)
 127 static inline int _gpio_tst_bit(int grp, int gpio, const char *func, int line)
 128 {
 129         if (grp < 0 || grp > 5) {
 130                 return 0;
 131         }
 132         if (gpio < 0 || gpio > 31) {
 133                 return 0;
 134         }
 135         unsigned long val = readl(SOC_GPIOA_BASE + (grp << 8) + GPIO_DR);
 136         return !!(val & (1 << gpio));
 137 }
 138
 139 static inline void gpio_set_bit(int grp, int gpio)
 140 {
 141         if (grp < 0 || grp > 5) {
 142                 return;
 143         }
 144         if (gpio < 0 || gpio > 31) {
 145                 return;
 146         }
 147         unsigned long val = readl(SOC_GPIOA_BASE + (grp << 8) + GPIO_DR);
 148         writel(val | (1 << gpio), SOC_GPIOA_BASE + (grp << 8) + GPIO_DR);
 149 }
 150
 151 static inline void gpio_clr_bit(int grp, int gpio)
 152 {
 153         if (grp < 0 || grp > 5) {
 154                 return;
 155         }
 156         if (gpio < 0 || gpio > 31) {
 157                 return;
 158         }
 159         unsigned long val = readl(SOC_GPIOA_BASE + (grp << 8) + GPIO_DR);
 160         writel(val & ~(1 << gpio), SOC_GPIOA_BASE + (grp << 8) + GPIO_DR);
 161 }
 162
 163
 164 #endif
 165
 166 #endif /* CYGONCE_KARO_TX27_H */