include/asm-m68knommu/m5249sim.h

   1 /****************************************************************************/
   2
   3 /*
   4  *      m5249sim.h -- ColdFire 5249 System Integration Module support.
   5  *
   6  *      (C) Copyright 2002, Greg Ungerer (gerg@snapgear.com)
   7  */
   8
   9 /****************************************************************************/
  10 #ifndef m5249sim_h
  11 #define m5249sim_h
  12 /****************************************************************************/
  13
  14 /*
  15  *      Define the 5249 SIM register set addresses.
  16  */
  17 #define MCFSIM_RSR              0x00            /* Reset Status reg (r/w) */
  18 #define MCFSIM_SYPCR            0x01            /* System Protection reg (r/w)*/
  19 #define MCFSIM_SWIVR            0x02            /* SW Watchdog intr reg (r/w) */
  20 #define MCFSIM_SWSR             0x03            /* SW Watchdog service (r/w) */
  21 #define MCFSIM_PAR              0x04            /* Pin Assignment reg (r/w) */
  22 #define MCFSIM_IRQPAR           0x06            /* Interrupt Assignment reg (r/w) */
  23 #define MCFSIM_MPARK            0x0C            /* BUS Master Control Reg*/
  24 #define MCFSIM_IPR              0x40            /* Interrupt Pend reg (r/w) */
  25 #define MCFSIM_IMR              0x44            /* Interrupt Mask reg (r/w) */
  26 #define MCFSIM_AVR              0x4b            /* Autovector Ctrl reg (r/w) */
  27 #define MCFSIM_ICR0             0x4c            /* Intr Ctrl reg 0 (r/w) */
  28 #define MCFSIM_ICR1             0x4d            /* Intr Ctrl reg 1 (r/w) */
  29 #define MCFSIM_ICR2             0x4e            /* Intr Ctrl reg 2 (r/w) */
  30 #define MCFSIM_ICR3             0x4f            /* Intr Ctrl reg 3 (r/w) */
  31 #define MCFSIM_ICR4             0x50            /* Intr Ctrl reg 4 (r/w) */
  32 #define MCFSIM_ICR5             0x51            /* Intr Ctrl reg 5 (r/w) */
  33 #define MCFSIM_ICR6             0x52            /* Intr Ctrl reg 6 (r/w) */
  34 #define MCFSIM_ICR7             0x53            /* Intr Ctrl reg 7 (r/w) */
  35 #define MCFSIM_ICR8             0x54            /* Intr Ctrl reg 8 (r/w) */
  36 #define MCFSIM_ICR9             0x55            /* Intr Ctrl reg 9 (r/w) */
  37 #define MCFSIM_ICR10            0x56            /* Intr Ctrl reg 10 (r/w) */
  38 #define MCFSIM_ICR11            0x57            /* Intr Ctrl reg 11 (r/w) */
  39
  40 #define MCFSIM_CSAR0            0x80            /* CS 0 Address 0 reg (r/w) */
  41 #define MCFSIM_CSMR0            0x84            /* CS 0 Mask 0 reg (r/w) */
  42 #define MCFSIM_CSCR0            0x8a            /* CS 0 Control reg (r/w) */
  43 #define MCFSIM_CSAR1            0x8c            /* CS 1 Address reg (r/w) */
  44 #define MCFSIM_CSMR1            0x90            /* CS 1 Mask reg (r/w) */
  45 #define MCFSIM_CSCR1            0x96            /* CS 1 Control reg (r/w) */
  46 #define MCFSIM_CSAR2            0x98            /* CS 2 Address reg (r/w) */
  47 #define MCFSIM_CSMR2            0x9c            /* CS 2 Mask reg (r/w) */
  48 #define MCFSIM_CSCR2            0xa2            /* CS 2 Control reg (r/w) */
  49 #define MCFSIM_CSAR3            0xa4            /* CS 3 Address reg (r/w) */
  50 #define MCFSIM_CSMR3            0xa8            /* CS 3 Mask reg (r/w) */
  51 #define MCFSIM_CSCR3            0xae            /* CS 3 Control reg (r/w) */
  52
  53 #define MCFSIM_DCR              0x100           /* DRAM Control reg (r/w) */
  54 #define MCFSIM_DACR0            0x108           /* DRAM 0 Addr and Ctrl (r/w) */
  55 #define MCFSIM_DMR0             0x10c           /* DRAM 0 Mask reg (r/w) */
  56 #define MCFSIM_DACR1            0x110           /* DRAM 1 Addr and Ctrl (r/w) */
  57 #define MCFSIM_DMR1             0x114           /* DRAM 1 Mask reg (r/w) */
  58
  59
  60 /*
  61  *      Some symbol defines for the above...
  62  */
  63 #define MCFSIM_SWDICR           MCFSIM_ICR0     /* Watchdog timer ICR */
  64 #define MCFSIM_TIMER1ICR        MCFSIM_ICR1     /* Timer 1 ICR */
  65 #define MCFSIM_TIMER2ICR        MCFSIM_ICR2     /* Timer 2 ICR */
  66 #define MCFSIM_UART1ICR         MCFSIM_ICR4     /* UART 1 ICR */
  67 #define MCFSIM_UART2ICR         MCFSIM_ICR5     /* UART 2 ICR */
  68 #define MCFSIM_DMA0ICR          MCFSIM_ICR6     /* DMA 0 ICR */
  69 #define MCFSIM_DMA1ICR          MCFSIM_ICR7     /* DMA 1 ICR */
  70 #define MCFSIM_DMA2ICR          MCFSIM_ICR8     /* DMA 2 ICR */
  71 #define MCFSIM_DMA3ICR          MCFSIM_ICR9     /* DMA 3 ICR */
  72
  73 /*
  74  *      General purpose IO registers (in MBAR2).
  75  */
  76 #define MCFSIM2_GPIOREAD        0x0             /* GPIO read values */
  77 #define MCFSIM2_GPIOWRITE       0x4             /* GPIO write values */
  78 #define MCFSIM2_GPIOENABLE      0x8             /* GPIO enabled */
  79 #define MCFSIM2_GPIOFUNC        0xc             /* GPIO function */
  80 #define MCFSIM2_GPIO1READ       0xb0            /* GPIO1 read values */
  81 #define MCFSIM2_GPIO1WRITE      0xb4            /* GPIO1 write values */
  82 #define MCFSIM2_GPIO1ENABLE     0xb8            /* GPIO1 enabled */
  83 #define MCFSIM2_GPIO1FUNC       0xbc            /* GPIO1 function */
  84
  85 #define MCFSIM2_GPIOINTSTAT     0xc0            /* GPIO interrupt status */
  86 #define MCFSIM2_GPIOINTCLEAR    0xc0            /* GPIO interrupt clear */
  87 #define MCFSIM2_GPIOINTENABLE   0xc4            /* GPIO interrupt enable */
  88
  89 #define MCFSIM2_INTLEVEL1       0x140           /* Interrupt level reg 1 */
  90 #define MCFSIM2_INTLEVEL2       0x144           /* Interrupt level reg 2 */
  91 #define MCFSIM2_INTLEVEL3       0x148           /* Interrupt level reg 3 */
  92 #define MCFSIM2_INTLEVEL4       0x14c           /* Interrupt level reg 4 */
  93 #define MCFSIM2_INTLEVEL5       0x150           /* Interrupt level reg 5 */
  94 #define MCFSIM2_INTLEVEL6       0x154           /* Interrupt level reg 6 */
  95 #define MCFSIM2_INTLEVEL7       0x158           /* Interrupt level reg 7 */
  96 #define MCFSIM2_INTLEVEL8       0x15c           /* Interrupt level reg 8 */
  97
  98 #define MCFSIM2_DMAROUTE        0x188           /* DMA routing */
  99
 100 #define MCFSIM2_IDECONFIG1      0x18c           /* IDEconfig1 */
 101 #define MCFSIM2_IDECONFIG2      0x190           /* IDEconfig2 */
 102
 103
 104 /*
 105  *      Macro to set IMR register. It is 32 bits on the 5249.
 106  */
 107 #define MCFSIM_IMR_MASKALL      0x7fffe         /* All SIM intr sources */
 108
 109 #define mcf_getimr()            \
 110         *((volatile unsigned long *) (MCF_MBAR + MCFSIM_IMR))
 111
 112 #define mcf_setimr(imr)         \
 113         *((volatile unsigned long *) (MCF_MBAR + MCFSIM_IMR)) = (imr);
 114
 115 #define mcf_getipr()            \
 116         *((volatile unsigned long *) (MCF_MBAR + MCFSIM_IPR))
 117
 118 /****************************************************************************/
 119
 120 #ifdef __ASSEMBLER__
 121
 122 /*
 123  *      The M5249C3 board needs a little help getting all its SIM devices
 124  *      initialized at kernel start time. dBUG doesn't set much up, so
 125  *      we need to do it manually.
 126  */
 127 .macro m5249c3_setup
 128         /*
 129          *      Set MBAR1 and MBAR2, just incase they are not set.
 130          */
 131         movel   #0x10000001,%a0
 132         movec   %a0,%MBAR                       /* map MBAR region */
 133         subql   #1,%a0                          /* get MBAR address in a0 */
 134
 135         movel   #0x80000001,%a1
 136         movec   %a1,#3086                       /* map MBAR2 region */
 137         subql   #1,%a1                          /* get MBAR2 address in a1 */
 138
 139         /*
 140          *      Move secondary interrupts to base at 128.
 141          */
 142         moveb   #0x80,%d0
 143         moveb   %d0,0x16b(%a1)                  /* interrupt base register */
 144
 145         /*
 146          *      Work around broken CSMR0/DRAM vector problem.
 147          */
 148         movel   #0x001F0021,%d0                 /* disable C/I bit */
 149         movel   %d0,0x84(%a0)                   /* set CSMR0 */
 150
 151         /*
 152          *      Disable the PLL firstly. (Who knows what state it is
 153          *      in here!).
 154          */
 155         movel   0x180(%a1),%d0                  /* get current PLL value */
 156         andl    #0xfffffffe,%d0                 /* PLL bypass first */
 157         movel   %d0,0x180(%a1)                  /* set PLL register */
 158         nop
 159
 160 #if CONFIG_CLOCK_FREQ == 140000000
 161         /*
 162          *      Set initial clock frequency. This assumes M5249C3 board
 163          *      is fitted with 11.2896MHz crystal. It will program the
 164          *      PLL for 140MHz. Lets go fast :-)
 165          */
 166         movel   #0x125a40f0,%d0                 /* set for 140MHz */
 167         movel   %d0,0x180(%a1)                  /* set PLL register */
 168         orl     #0x1,%d0
 169         movel   %d0,0x180(%a1)                  /* set PLL register */
 170 #endif
 171
 172         /*
 173          *      Setup CS1 for ethernet controller.
 174          *      (Setup as per M5249C3 doco).
 175          */
 176         movel  #0xe0000000,%d0                  /* CS1 mapped at 0xe0000000 */
 177         movel  %d0,0x8c(%a0)
 178         movel  #0x001f0021,%d0                  /* CS1 size of 1Mb */
 179         movel  %d0,0x90(%a0)
 180         movew  #0x0080,%d0                      /* CS1 = 16bit port, AA */
 181         movew  %d0,0x96(%a0)
 182
 183         /*
 184          *      Setup CS2 for IDE interface.
 185          */
 186         movel   #0x50000000,%d0                 /* CS2 mapped at 0x50000000 */
 187         movel   %d0,0x98(%a0)
 188         movel   #0x001f0001,%d0                 /* CS2 size of 1MB */
 189         movel   %d0,0x9c(%a0)
 190         movew   #0x0080,%d0                     /* CS2 = 16bit, TA */
 191         movew   %d0,0xa2(%a0)
 192
 193         movel   #0x00107000,%d0                 /* IDEconfig1 */
 194         movel   %d0,0x18c(%a1)
 195         movel   #0x000c0400,%d0                 /* IDEconfig2 */
 196         movel   %d0,0x190(%a1)
 197
 198         movel   #0x00080000,%d0                 /* GPIO19, IDE reset bit */
 199         orl     %d0,0xc(%a1)                    /* function GPIO19 */
 200         orl     %d0,0x8(%a1)                    /* enable GPIO19 as output */
 201         orl     %d0,0x4(%a1)                    /* de-assert IDE reset */
 202 .endm
 203
 204 #define PLATFORM_SETUP  m5249c3_setup
 205
 206 #endif /* __ASSEMBLER__ */
 207
 208 /****************************************************************************/
 209 #endif  /* m5249sim_h */