arch/ppc/platforms/rpxlite.h

   1 /*
   2  * A collection of structures, addresses, and values associated with
   3  * the RPCG RPX-Lite board.  Copied from the MBX stuff.
   4  *
   5  * Copyright (c) 1998 Dan Malek (dmalek@jlc.net)
   6  */
   7 #ifdef __KERNEL__
   8 #ifndef __MACH_RPX_DEFS
   9 #define __MACH_RPX_DEFS
  10
  11
  12 #ifndef __ASSEMBLY__
  13 /* A Board Information structure that is given to a program when
  14  * prom starts it up.
  15  */
  16 typedef struct bd_info {
  17         unsigned int    bi_memstart;    /* Memory start address */
  18         unsigned int    bi_memsize;     /* Memory (end) size in bytes */
  19         unsigned int    bi_intfreq;     /* Internal Freq, in Hz */
  20         unsigned int    bi_busfreq;     /* Bus Freq, in Hz */
  21         unsigned char   bi_enetaddr[6];
  22         unsigned int    bi_baudrate;
  23 } bd_t;
  24
  25 extern bd_t m8xx_board_info;
  26
  27 /* Memory map is configured by the PROM startup.
  28  * We just map a few things we need.  The CSR is actually 4 byte-wide
  29  * registers that can be accessed as 8-, 16-, or 32-bit values.
  30  */
  31 #define RPX_CSR_ADDR            ((uint)0xfa400000)
  32 #define RPX_CSR_SIZE            ((uint)(4 * 1024))
  33 #define IMAP_ADDR               ((uint)0xfa200000)
  34 #define IMAP_SIZE               ((uint)(64 * 1024))
  35 #define PCMCIA_MEM_ADDR         ((uint)0x04000000)
  36 #define PCMCIA_MEM_SIZE         ((uint)(64 * 1024))
  37 #define PCMCIA_IO_ADDR          ((uint)0x04400000)
  38 #define PCMCIA_IO_SIZE          ((uint)(4 * 1024))
  39
  40 /* Things of interest in the CSR.
  41 */
  42 #define BCSR0_ETHEN             ((uint)0x80000000)
  43 #define BCSR0_ETHLPBK           ((uint)0x40000000)
  44 #define BCSR0_COLTESTDIS        ((uint)0x20000000)
  45 #define BCSR0_FULLDPLXDIS       ((uint)0x10000000)
  46 #define BCSR0_LEDOFF            ((uint)0x08000000)
  47 #define BCSR0_USBDISABLE        ((uint)0x04000000)
  48 #define BCSR0_USBHISPEED        ((uint)0x02000000)
  49 #define BCSR0_USBPWREN          ((uint)0x01000000)
  50 #define BCSR0_PCMCIAVOLT        ((uint)0x000f0000)
  51 #define BCSR0_PCMCIA3VOLT       ((uint)0x000a0000)
  52 #define BCSR0_PCMCIA5VOLT       ((uint)0x00060000)
  53
  54 #define BCSR1_IPB5SEL          ((uint)0x00100000)
  55 #define BCSR1_PCVCTL4          ((uint)0x00080000)
  56 #define BCSR1_PCVCTL5          ((uint)0x00040000)
  57 #define BCSR1_PCVCTL6          ((uint)0x00020000)
  58 #define BCSR1_PCVCTL7          ((uint)0x00010000)
  59
  60 /* define IO_BASE for pcmcia */
  61 #define _IO_BASE 0x80000000
  62 #define _IO_BASE_SIZE 0x1000
  63
  64 #ifdef CONFIG_IDE
  65 # define MAX_HWIFS 1
  66 #endif
  67
  68 /* CPM Ethernet through SCCx.
  69  *
  70  * This ENET stuff is for the MPC850 with ethernet on SCC2.  Some of
  71  * this may be unique to the RPX-Lite configuration.
  72  * Note TENA is on Port B.
  73  */
  74 #define PA_ENET_RXD     ((ushort)0x0004)
  75 #define PA_ENET_TXD     ((ushort)0x0008)
  76 #define PA_ENET_TCLK    ((ushort)0x0200)
  77 #define PA_ENET_RCLK    ((ushort)0x0800)
  78 #define PB_ENET_TENA    ((uint)0x00002000)
  79 #define PC_ENET_CLSN    ((ushort)0x0040)
  80 #define PC_ENET_RENA    ((ushort)0x0080)
  81
  82 #define SICR_ENET_MASK  ((uint)0x0000ff00)
  83 #define SICR_ENET_CLKRT ((uint)0x00003d00)
  84
  85 /* We don't use the 8259.
  86 */
  87 #define NR_8259_INTS    0
  88
  89 #endif /* !__ASSEMBLY__ */
  90 #endif /* __MACH_RPX_DEFS */
  91 #endif /* __KERNEL__ */