kernel/2.6.29.6-aldebaran-rt/arch/arm/mach-pxa/include/mach/mfp-pxa3xx.h

   1 #ifndef __ASM_ARCH_MFP_PXA3XX_H
   2 #define __ASM_ARCH_MFP_PXA3XX_H
   3
   4 #define MFPR_BASE       (0x40e10000)
   5 #define MFPR_SIZE       (PAGE_SIZE)
   6
   7 /* MFPR register bit definitions */
   8 #define MFPR_PULL_SEL           (0x1 << 15)
   9 #define MFPR_PULLUP_EN          (0x1 << 14)
  10 #define MFPR_PULLDOWN_EN        (0x1 << 13)
  11 #define MFPR_SLEEP_SEL          (0x1 << 9)
  12 #define MFPR_SLEEP_OE_N         (0x1 << 7)
  13 #define MFPR_EDGE_CLEAR         (0x1 << 6)
  14 #define MFPR_EDGE_FALL_EN       (0x1 << 5)
  15 #define MFPR_EDGE_RISE_EN       (0x1 << 4)
  16
  17 #define MFPR_SLEEP_DATA(x)      ((x) << 8)
  18 #define MFPR_DRIVE(x)           (((x) & 0x7) << 10)
  19 #define MFPR_AF_SEL(x)          (((x) & 0x7) << 0)
  20
  21 #define MFPR_EDGE_NONE          (0)
  22 #define MFPR_EDGE_RISE          (MFPR_EDGE_RISE_EN)
  23 #define MFPR_EDGE_FALL          (MFPR_EDGE_FALL_EN)
  24 #define MFPR_EDGE_BOTH          (MFPR_EDGE_RISE | MFPR_EDGE_FALL)
  25
  26 /*
  27  * Table that determines the low power modes outputs, with actual settings
  28  * used in parentheses for don't-care values. Except for the float output,
  29  * the configured driven and pulled levels match, so if there is a need for
  30  * non-LPM pulled output, the same configuration could probably be used.
  31  *
  32  * Output value  sleep_oe_n  sleep_data  pullup_en  pulldown_en  pull_sel
  33  *                 (bit 7)    (bit 8)    (bit 14)     (bit 13)   (bit 15)
  34  *
  35  * Input            0          X(0)        X(0)        X(0)       0
  36  * Drive 0          0          0           0           X(1)       0
  37  * Drive 1          0          1           X(1)        0          0
  38  * Pull hi (1)      1          X(1)        1           0          0
  39  * Pull lo (0)      1          X(0)        0           1          0
  40  * Z (float)        1          X(0)        0           0          0
  41  */
  42 #define MFPR_LPM_INPUT          (0)
  43 #define MFPR_LPM_DRIVE_LOW      (MFPR_SLEEP_DATA(0) | MFPR_PULLDOWN_EN)
  44 #define MFPR_LPM_DRIVE_HIGH     (MFPR_SLEEP_DATA(1) | MFPR_PULLUP_EN)
  45 #define MFPR_LPM_PULL_LOW       (MFPR_LPM_DRIVE_LOW  | MFPR_SLEEP_OE_N)
  46 #define MFPR_LPM_PULL_HIGH      (MFPR_LPM_DRIVE_HIGH | MFPR_SLEEP_OE_N)
  47 #define MFPR_LPM_FLOAT          (MFPR_SLEEP_OE_N)
  48 #define MFPR_LPM_MASK           (0xe080)
  49
  50 /*
  51  * The pullup and pulldown state of the MFP pin at run mode is by default
  52  * determined by the selected alternate function. In case that some buggy
  53  * devices need to override this default behavior,  the definitions below
  54  * indicates the setting of corresponding MFPR bits
  55  *
  56  * Definition       pull_sel  pullup_en  pulldown_en
  57  * MFPR_PULL_NONE       0         0        0
  58  * MFPR_PULL_LOW        1         0        1
  59  * MFPR_PULL_HIGH       1         1        0
  60  * MFPR_PULL_BOTH       1         1        1
  61  */
  62 #define MFPR_PULL_NONE          (0)
  63 #define MFPR_PULL_LOW           (MFPR_PULL_SEL | MFPR_PULLDOWN_EN)
  64 #define MFPR_PULL_BOTH          (MFPR_PULL_LOW | MFPR_PULLUP_EN)
  65 #define MFPR_PULL_HIGH          (MFPR_PULL_SEL | MFPR_PULLUP_EN)
  66
  67 /* PXA3xx common MFP configurations - processor specific ones defined
  68  * in mfp-pxa300.h and mfp-pxa320.h
  69  */
  70 #define GPIO0_GPIO              MFP_CFG(GPIO0, AF0)
  71 #define GPIO1_GPIO              MFP_CFG(GPIO1, AF0)
  72 #define GPIO2_GPIO              MFP_CFG(GPIO2, AF0)
  73 #define GPIO3_GPIO              MFP_CFG(GPIO3, AF0)
  74 #define GPIO4_GPIO              MFP_CFG(GPIO4, AF0)
  75 #define GPIO5_GPIO              MFP_CFG(GPIO5, AF0)
  76 #define GPIO6_GPIO              MFP_CFG(GPIO6, AF0)
  77 #define GPIO7_GPIO              MFP_CFG(GPIO7, AF0)
  78 #define GPIO8_GPIO              MFP_CFG(GPIO8, AF0)
  79 #define GPIO9_GPIO              MFP_CFG(GPIO9, AF0)
  80 #define GPIO10_GPIO             MFP_CFG(GPIO10, AF0)
  81 #define GPIO11_GPIO             MFP_CFG(GPIO11, AF0)
  82 #define GPIO12_GPIO             MFP_CFG(GPIO12, AF0)
  83 #define GPIO13_GPIO             MFP_CFG(GPIO13, AF0)
  84 #define GPIO14_GPIO             MFP_CFG(GPIO14, AF0)
  85 #define GPIO15_GPIO             MFP_CFG(GPIO15, AF0)
  86 #define GPIO16_GPIO             MFP_CFG(GPIO16, AF0)
  87 #define GPIO17_GPIO             MFP_CFG(GPIO17, AF0)
  88 #define GPIO18_GPIO             MFP_CFG(GPIO18, AF0)
  89 #define GPIO19_GPIO             MFP_CFG(GPIO19, AF0)
  90 #define GPIO20_GPIO             MFP_CFG(GPIO20, AF0)
  91 #define GPIO21_GPIO             MFP_CFG(GPIO21, AF0)
  92 #define GPIO22_GPIO             MFP_CFG(GPIO22, AF0)
  93 #define GPIO23_GPIO             MFP_CFG(GPIO23, AF0)
  94 #define GPIO24_GPIO             MFP_CFG(GPIO24, AF0)
  95 #define GPIO25_GPIO             MFP_CFG(GPIO25, AF0)
  96 #define GPIO26_GPIO             MFP_CFG(GPIO26, AF0)
  97 #define GPIO27_GPIO             MFP_CFG(GPIO27, AF0)
  98 #define GPIO28_GPIO             MFP_CFG(GPIO28, AF0)
  99 #define GPIO29_GPIO             MFP_CFG(GPIO29, AF0)
 100 #define GPIO30_GPIO             MFP_CFG(GPIO30, AF0)
 101 #define GPIO31_GPIO             MFP_CFG(GPIO31, AF0)
 102 #define GPIO32_GPIO             MFP_CFG(GPIO32, AF0)
 103 #define GPIO33_GPIO             MFP_CFG(GPIO33, AF0)
 104 #define GPIO34_GPIO             MFP_CFG(GPIO34, AF0)
 105 #define GPIO35_GPIO             MFP_CFG(GPIO35, AF0)
 106 #define GPIO36_GPIO             MFP_CFG(GPIO36, AF0)
 107 #define GPIO37_GPIO             MFP_CFG(GPIO37, AF0)
 108 #define GPIO38_GPIO             MFP_CFG(GPIO38, AF0)
 109 #define GPIO39_GPIO             MFP_CFG(GPIO39, AF0)
 110 #define GPIO40_GPIO             MFP_CFG(GPIO40, AF0)
 111 #define GPIO41_GPIO             MFP_CFG(GPIO41, AF0)
 112 #define GPIO42_GPIO             MFP_CFG(GPIO42, AF0)
 113 #define GPIO43_GPIO             MFP_CFG(GPIO43, AF0)
 114 #define GPIO44_GPIO             MFP_CFG(GPIO44, AF0)
 115 #define GPIO45_GPIO             MFP_CFG(GPIO45, AF0)
 116
 117 #define GPIO47_GPIO             MFP_CFG(GPIO47, AF0)
 118 #define GPIO48_GPIO             MFP_CFG(GPIO48, AF0)
 119
 120 #define GPIO53_GPIO             MFP_CFG(GPIO53, AF0)
 121 #define GPIO54_GPIO             MFP_CFG(GPIO54, AF0)
 122 #define GPIO55_GPIO             MFP_CFG(GPIO55, AF0)
 123
 124 #define GPIO57_GPIO             MFP_CFG(GPIO57, AF0)
 125
 126 #define GPIO63_GPIO             MFP_CFG(GPIO63, AF0)
 127 #define GPIO64_GPIO             MFP_CFG(GPIO64, AF0)
 128 #define GPIO65_GPIO             MFP_CFG(GPIO65, AF0)
 129 #define GPIO66_GPIO             MFP_CFG(GPIO66, AF0)
 130 #define GPIO67_GPIO             MFP_CFG(GPIO67, AF0)
 131 #define GPIO68_GPIO             MFP_CFG(GPIO68, AF0)
 132 #define GPIO69_GPIO             MFP_CFG(GPIO69, AF0)
 133 #define GPIO70_GPIO             MFP_CFG(GPIO70, AF0)
 134 #define GPIO71_GPIO             MFP_CFG(GPIO71, AF0)
 135 #define GPIO72_GPIO             MFP_CFG(GPIO72, AF0)
 136 #define GPIO73_GPIO             MFP_CFG(GPIO73, AF0)
 137 #define GPIO74_GPIO             MFP_CFG(GPIO74, AF0)
 138 #define GPIO75_GPIO             MFP_CFG(GPIO75, AF0)
 139 #define GPIO76_GPIO             MFP_CFG(GPIO76, AF0)
 140 #define GPIO77_GPIO             MFP_CFG(GPIO77, AF0)
 141 #define GPIO78_GPIO             MFP_CFG(GPIO78, AF0)
 142 #define GPIO79_GPIO             MFP_CFG(GPIO79, AF0)
 143 #define GPIO80_GPIO             MFP_CFG(GPIO80, AF0)
 144 #define GPIO81_GPIO             MFP_CFG(GPIO81, AF0)
 145 #define GPIO82_GPIO             MFP_CFG(GPIO82, AF0)
 146 #define GPIO83_GPIO             MFP_CFG(GPIO83, AF0)
 147 #define GPIO84_GPIO             MFP_CFG(GPIO84, AF0)
 148 #define GPIO85_GPIO             MFP_CFG(GPIO85, AF0)
 149 #define GPIO86_GPIO             MFP_CFG(GPIO86, AF0)
 150 #define GPIO87_GPIO             MFP_CFG(GPIO87, AF0)
 151 #define GPIO88_GPIO             MFP_CFG(GPIO88, AF0)
 152 #define GPIO89_GPIO             MFP_CFG(GPIO89, AF0)
 153 #define GPIO90_GPIO             MFP_CFG(GPIO90, AF0)
 154 #define GPIO91_GPIO             MFP_CFG(GPIO91, AF0)
 155 #define GPIO92_GPIO             MFP_CFG(GPIO92, AF0)
 156 #define GPIO93_GPIO             MFP_CFG(GPIO93, AF0)
 157 #define GPIO94_GPIO             MFP_CFG(GPIO94, AF0)
 158 #define GPIO95_GPIO             MFP_CFG(GPIO95, AF0)
 159 #define GPIO96_GPIO             MFP_CFG(GPIO96, AF0)
 160 #define GPIO97_GPIO             MFP_CFG(GPIO97, AF0)
 161 #define GPIO98_GPIO             MFP_CFG(GPIO98, AF0)
 162 #define GPIO99_GPIO             MFP_CFG(GPIO99, AF0)
 163 #define GPIO100_GPIO            MFP_CFG(GPIO100, AF0)
 164 #define GPIO101_GPIO            MFP_CFG(GPIO101, AF0)
 165 #define GPIO102_GPIO            MFP_CFG(GPIO102, AF0)
 166 #define GPIO103_GPIO            MFP_CFG(GPIO103, AF0)
 167 #define GPIO104_GPIO            MFP_CFG(GPIO104, AF0)
 168 #define GPIO105_GPIO            MFP_CFG(GPIO105, AF0)
 169 #define GPIO106_GPIO            MFP_CFG(GPIO106, AF0)
 170 #define GPIO107_GPIO            MFP_CFG(GPIO107, AF0)
 171 #define GPIO108_GPIO            MFP_CFG(GPIO108, AF0)
 172 #define GPIO109_GPIO            MFP_CFG(GPIO109, AF0)
 173 #define GPIO110_GPIO            MFP_CFG(GPIO110, AF0)
 174 #define GPIO111_GPIO            MFP_CFG(GPIO111, AF0)
 175 #define GPIO112_GPIO            MFP_CFG(GPIO112, AF0)
 176 #define GPIO113_GPIO            MFP_CFG(GPIO113, AF0)
 177 #define GPIO114_GPIO            MFP_CFG(GPIO114, AF0)
 178 #define GPIO115_GPIO            MFP_CFG(GPIO115, AF0)
 179 #define GPIO116_GPIO            MFP_CFG(GPIO116, AF0)
 180 #define GPIO117_GPIO            MFP_CFG(GPIO117, AF0)
 181 #define GPIO118_GPIO            MFP_CFG(GPIO118, AF0)
 182 #define GPIO119_GPIO            MFP_CFG(GPIO119, AF0)
 183 #define GPIO120_GPIO            MFP_CFG(GPIO120, AF0)
 184 #define GPIO121_GPIO            MFP_CFG(GPIO121, AF0)
 185 #define GPIO122_GPIO            MFP_CFG(GPIO122, AF0)
 186 #define GPIO123_GPIO            MFP_CFG(GPIO123, AF0)
 187 #define GPIO124_GPIO            MFP_CFG(GPIO124, AF0)
 188 #define GPIO125_GPIO            MFP_CFG(GPIO125, AF0)
 189 #define GPIO126_GPIO            MFP_CFG(GPIO126, AF0)
 190 #define GPIO127_GPIO            MFP_CFG(GPIO127, AF0)
 191
 192 #define GPIO0_2_GPIO            MFP_CFG(GPIO0_2, AF0)
 193 #define GPIO1_2_GPIO            MFP_CFG(GPIO1_2, AF0)
 194 #define GPIO2_2_GPIO            MFP_CFG(GPIO2_2, AF0)
 195 #define GPIO3_2_GPIO            MFP_CFG(GPIO3_2, AF0)
 196 #define GPIO4_2_GPIO            MFP_CFG(GPIO4_2, AF0)
 197 #define GPIO5_2_GPIO            MFP_CFG(GPIO5_2, AF0)
 198 #define GPIO6_2_GPIO            MFP_CFG(GPIO6_2, AF0)
 199
 200 /*
 201  * each MFP pin will have a MFPR register, since the offset of the
 202  * register varies between processors, the processor specific code
 203  * should initialize the pin offsets by pxa3xx_mfp_init_addr()
 204  *
 205  * pxa3xx_mfp_init_addr - accepts a table of "pxa3xx_mfp_addr_map"
 206  * structure, which represents a range of MFP pins from "start" to
 207  * "end", with the offset begining at "offset", to define a single
 208  * pin, let "end" = -1
 209  *
 210  * use
 211  *
 212  * MFP_ADDR_X() to define a range of pins
 213  * MFP_ADDR()   to define a single pin
 214  * MFP_ADDR_END to signal the end of pin offset definitions
 215  */
 216 struct pxa3xx_mfp_addr_map {
 217         unsigned int    start;
 218         unsigned int    end;
 219         unsigned long   offset;
 220 };
 221
 222 #define MFP_ADDR_X(start, end, offset) \
 223         { MFP_PIN_##start, MFP_PIN_##end, offset }
 224
 225 #define MFP_ADDR(pin, offset) \
 226         { MFP_PIN_##pin, -1, offset }
 227
 228 #define MFP_ADDR_END    { MFP_PIN_INVALID, 0 }
 229
 230 /*
 231  * pxa3xx_mfp_read()/pxa3xx_mfp_write() - for direct read/write access
 232  * to the MFPR register
 233  */
 234 unsigned long pxa3xx_mfp_read(int mfp);
 235 void pxa3xx_mfp_write(int mfp, unsigned long mfpr_val);
 236
 237 /*
 238  * pxa3xx_mfp_config - configure the MFPR registers
 239  *
 240  * used by board specific initialization code
 241  */
 242 void pxa3xx_mfp_config(unsigned long *mfp_cfgs, int num);
 243
 244 /*
 245  * pxa3xx_mfp_init_addr() - initialize the mapping between mfp pin
 246  * index and MFPR register offset
 247  *
 248  * used by processor specific code
 249  */
 250 void __init pxa3xx_mfp_init_addr(struct pxa3xx_mfp_addr_map *);
 251 void __init pxa3xx_init_mfp(void);
 252 #endif /* __ASM_ARCH_MFP_PXA3XX_H */