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 RAM_BANK0_BASE          CSD0_BASE_ADDR
  70 #define RAM_BANK1_BASE          CSD1_BASE_ADDR
  71 #if SDRAM_SIZE > SZ_32M
  72 #define RAM_BANK0_SIZE          (SDRAM_SIZE / 2)
  73 #define RAM_BANK1_SIZE          (SDRAM_SIZE / 2)
  74 #else
  75 #define RAM_BANK0_SIZE          SDRAM_SIZE
  76 #endif
  77 #define TX25_SDRAM_SIZE         SDRAM_SIZE
  78
  79 #define TX25_LED_MASK           (1 << 7)
  80 #define TX25_LED_REG_ADDR       (GPIO2_BASE_ADDR + GPIO_DR)
  81
  82 #define LED_MAX_NUM             1
  83
  84 #define LED_IS_ON(n) ({                                                 \
  85         CYG_WORD32 __val;                                                       \
  86         HAL_READ_UINT32(TX25_LED_REG_ADDR, __val);      \
  87         __val & TX25_LED_MASK;                                          \
  88 })
  89
  90 #define TURN_LED_ON(n)                                                  \
  91     CYG_MACRO_START                                                             \
  92         CYG_WORD32 __val;                                                       \
  93         HAL_READ_UINT32(TX25_LED_REG_ADDR, __val);      \
  94         __val |= TX25_LED_MASK;                                         \
  95         HAL_WRITE_UINT32(TX25_LED_REG_ADDR, __val);     \
  96     CYG_MACRO_END
  97
  98 #define TURN_LED_OFF(n)                                                 \
  99     CYG_MACRO_START                                                             \
 100         CYG_WORD32 __val;                                                       \
 101         HAL_READ_UINT32(TX25_LED_REG_ADDR, __val);      \
 102         __val &= ~TX25_LED_MASK;                                        \
 103         HAL_WRITE_UINT32(TX25_LED_REG_ADDR, __val);     \
 104     CYG_MACRO_END
 105
 106 #define BOARD_DEBUG_LED(n)                                              \
 107     CYG_MACRO_START                                                             \
 108         if (n >= 0 && n < LED_MAX_NUM) {                        \
 109                 if (LED_IS_ON(n))                                               \
 110                         TURN_LED_OFF(n);                                        \
 111                 else                                                                    \
 112                         TURN_LED_ON(n);                                         \
 113         }                                                                                       \
 114     CYG_MACRO_END
 115
 116 #define BLINK_LED(l, n)                                                 \
 117     CYG_MACRO_START                                                             \
 118         int _i;                                                                         \
 119         for (_i = 0; _i < (n); _i++) {                          \
 120                 BOARD_DEBUG_LED(l);                                             \
 121                 HAL_DELAY_US(200000);                                   \
 122                 BOARD_DEBUG_LED(l);                                             \
 123                 HAL_DELAY_US(300000);                                   \
 124         }                                                                                       \
 125         HAL_DELAY_US(1000000);                                          \
 126     CYG_MACRO_END
 127
 128 #if !defined(__ASSEMBLER__)
 129 enum {
 130         BOARD_TYPE_TX25KARO,
 131 };
 132
 133 #define gpio_tst_bit(grp, gpio)         _gpio_tst_bit(grp, gpio, __FUNCTION__, __LINE__)
 134 static inline int _gpio_tst_bit(int grp, int gpio, const char *func, int line)
 135 {
 136         unsigned long val;
 137         CYG_ADDRESS reg;
 138
 139         switch (grp) {
 140         case 1:
 141                 reg = GPIO1_BASE_ADDR;
 142                 break;
 143         case 2:
 144                 reg = GPIO2_BASE_ADDR;
 145                 break;
 146         case 3:
 147                 reg = GPIO3_BASE_ADDR;
 148                 break;
 149         case 4:
 150                 reg = GPIO4_BASE_ADDR;
 151                 break;
 152         default:
 153                 return 0;
 154         }
 155
 156         if (gpio < 0 || gpio > 31) {
 157                 return 0;
 158         }
 159         val = readl(reg + GPIO_PSR0);
 160         return !!(val & (1 << gpio));
 161 }
 162
 163 static inline void gpio_set_bit(int grp, int gpio)
 164 {
 165         unsigned long val;
 166         CYG_ADDRESS reg;
 167
 168         switch (grp) {
 169         case 1:
 170                 reg = GPIO1_BASE_ADDR;
 171                 break;
 172         case 2:
 173                 reg = GPIO2_BASE_ADDR;
 174                 break;
 175         case 3:
 176                 reg = GPIO3_BASE_ADDR;
 177                 break;
 178         case 4:
 179                 reg = GPIO4_BASE_ADDR;
 180                 break;
 181         default:
 182                 return;
 183         }
 184
 185         if (gpio < 0 || gpio > 31) {
 186                 return;
 187         }
 188         val = readl(reg + GPIO_DR);
 189         writel(val | (1 << gpio), reg + GPIO_DR);
 190 }
 191
 192 static inline void gpio_clr_bit(int grp, int gpio)
 193 {
 194         unsigned long val;
 195         CYG_ADDRESS reg;
 196
 197         switch (grp) {
 198         case 1:
 199                 reg = GPIO1_BASE_ADDR;
 200                 break;
 201         case 2:
 202                 reg = GPIO2_BASE_ADDR;
 203                 break;
 204         case 3:
 205                 reg = GPIO3_BASE_ADDR;
 206                 break;
 207         case 4:
 208                 reg = GPIO4_BASE_ADDR;
 209                 break;
 210         default:
 211                 return;
 212         }
 213
 214         if (gpio < 0 || gpio > 31) {
 215                 return;
 216         }
 217         val = readl(reg + GPIO_DR);
 218         writel(val & ~(1 << gpio), reg + GPIO_DR);
 219 }
 220 #endif
 221
 222 #endif /* CYGONCE_KARO_TX25_H */