packages/hal/arm/mx25/karo/v1_0/include/karo_tx25.h

   1 #ifndef CYGONCE_KARO_TX25_H
   2 #define CYGONCE_KARO_TX25_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 TX25_LED_MASK           (1 << 7)
  70 #define TX25_LED_REG_ADDR       (GPIO2_BASE_ADDR + GPIO_DR)
  71
  72 #define LED_MAX_NUM             1
  73
  74 #define LED_IS_ON(n) ({                                                 \
  75         CYG_WORD32 __val;                                                       \
  76         HAL_READ_UINT32(TX25_LED_REG_ADDR, __val);      \
  77         __val & TX25_LED_MASK;                                          \
  78 })
  79
  80 #define TURN_LED_ON(n)                                                  \
  81         CYG_MACRO_START                                                         \
  82         CYG_WORD32 __val;                                                       \
  83         HAL_READ_UINT32(TX25_LED_REG_ADDR, __val);      \
  84         __val |= TX25_LED_MASK;                                         \
  85         HAL_WRITE_UINT32(TX25_LED_REG_ADDR, __val);     \
  86         CYG_MACRO_END
  87
  88 #define TURN_LED_OFF(n)                                                 \
  89         CYG_MACRO_START                                                         \
  90         CYG_WORD32 __val;                                                       \
  91         HAL_READ_UINT32(TX25_LED_REG_ADDR, __val);      \
  92         __val &= ~TX25_LED_MASK;                                        \
  93         HAL_WRITE_UINT32(TX25_LED_REG_ADDR, __val);     \
  94         CYG_MACRO_END
  95
  96 #define BOARD_DEBUG_LED(n)                                              \
  97         CYG_MACRO_START                                                         \
  98         if (n >= 0 && n < LED_MAX_NUM) {                        \
  99                 if (LED_IS_ON(n))                                               \
 100                         TURN_LED_OFF(n);                                        \
 101                 else                                                                    \
 102                         TURN_LED_ON(n);                                         \
 103         }                                                                                       \
 104         CYG_MACRO_END
 105
 106 #define BLINK_LED(l, n)                                                 \
 107         CYG_MACRO_START                                                         \
 108         int _i;                                                                         \
 109         for (_i = 0; _i < (n); _i++) {                          \
 110                 BOARD_DEBUG_LED(l);                                             \
 111                 HAL_DELAY_US(200000);                                   \
 112                 BOARD_DEBUG_LED(l);                                             \
 113                 HAL_DELAY_US(300000);                                   \
 114         }                                                                                       \
 115         HAL_DELAY_US(1000000);                                          \
 116         CYG_MACRO_END
 117
 118 #if !defined(__ASSEMBLER__)
 119 enum {
 120         BOARD_TYPE_TX25KARO,
 121 };
 122
 123 #define gpio_tst_bit(grp, gpio)         _gpio_tst_bit(grp, gpio, __FUNCTION__, __LINE__)
 124 static inline int _gpio_tst_bit(int grp, int gpio, const char *func, int line)
 125 {
 126         unsigned long val;
 127         CYG_ADDRESS reg;
 128
 129         switch (grp) {
 130         case 1:
 131                 reg = GPIO1_BASE_ADDR;
 132                 break;
 133         case 2:
 134                 reg = GPIO2_BASE_ADDR;
 135                 break;
 136         case 3:
 137                 reg = GPIO3_BASE_ADDR;
 138                 break;
 139         case 4:
 140                 reg = GPIO4_BASE_ADDR;
 141                 break;
 142         default:
 143                 return 0;
 144         }
 145
 146         if (gpio < 0 || gpio > 31) {
 147                 return 0;
 148         }
 149         val = readl(reg + GPIO_PSR0);
 150         return !!(val & (1 << gpio));
 151 }
 152
 153 static inline void gpio_set_bit(int grp, int gpio)
 154 {
 155         unsigned long val;
 156         CYG_ADDRESS reg;
 157
 158         switch (grp) {
 159         case 1:
 160                 reg = GPIO1_BASE_ADDR;
 161                 break;
 162         case 2:
 163                 reg = GPIO2_BASE_ADDR;
 164                 break;
 165         case 3:
 166                 reg = GPIO3_BASE_ADDR;
 167                 break;
 168         case 4:
 169                 reg = GPIO4_BASE_ADDR;
 170                 break;
 171         default:
 172                 return;
 173         }
 174
 175         if (gpio < 0 || gpio > 31) {
 176                 return;
 177         }
 178         val = readl(reg + GPIO_DR);
 179         writel(val | (1 << gpio), reg + GPIO_DR);
 180 }
 181
 182 static inline void gpio_clr_bit(int grp, int gpio)
 183 {
 184         unsigned long val;
 185         CYG_ADDRESS reg;
 186
 187         switch (grp) {
 188         case 1:
 189                 reg = GPIO1_BASE_ADDR;
 190                 break;
 191         case 2:
 192                 reg = GPIO2_BASE_ADDR;
 193                 break;
 194         case 3:
 195                 reg = GPIO3_BASE_ADDR;
 196                 break;
 197         case 4:
 198                 reg = GPIO4_BASE_ADDR;
 199                 break;
 200         default:
 201                 return;
 202         }
 203
 204         if (gpio < 0 || gpio > 31) {
 205                 return;
 206         }
 207         val = readl(reg + GPIO_DR);
 208         writel(val & ~(1 << gpio), reg + GPIO_DR);
 209 }
 210 #endif
 211
 212 #endif /* CYGONCE_KARO_TX25_H */