arch/ppc/syslib/cpc700.h

   1 /*
   2  * Header file for IBM CPC700 Host Bridge, et. al.
   3  *
   4  * Author: Mark A. Greer
   5  *         mgreer@mvista.com
   6  *
   7  * 2000-2002 (c) MontaVista, Software, Inc.  This file is licensed under
   8  * the terms of the GNU General Public License version 2.  This program
   9  * is licensed "as is" without any warranty of any kind, whether express
  10  * or implied.
  11  */
  12
  13 /*
  14  * This file contains the defines and macros for the IBM CPC700 host bridge,
  15  * memory controller, PIC, UARTs, IIC, and Timers.
  16  */
  17
  18 #ifndef __PPC_SYSLIB_CPC700_H__
  19 #define __PPC_SYSLIB_CPC700_H__
  20
  21 #include <linux/stddef.h>
  22 #include <linux/types.h>
  23 #include <linux/init.h>
  24
  25 /* XXX no barriers? not even any volatiles?  -- paulus */
  26 #define CPC700_OUT_32(a,d)  (*(u_int *)a = d)
  27 #define CPC700_IN_32(a)     (*(u_int *)a)
  28
  29 /*
  30  * PCI Section
  31  */
  32 #define CPC700_PCI_CONFIG_ADDR          0xfec00000
  33 #define CPC700_PCI_CONFIG_DATA          0xfec00004
  34
  35 /* CPU -> PCI memory window 0 */
  36 #define CPC700_PMM0_LOCAL               0xff400000      /* CPU physical addr */
  37 #define CPC700_PMM0_MASK_ATTR           0xff400004      /* size and attrs */
  38 #define CPC700_PMM0_PCI_LOW             0xff400008      /* PCI addr, low word */
  39 #define CPC700_PMM0_PCI_HIGH            0xff40000c      /* PCI addr, high wd */
  40 /* CPU -> PCI memory window 1 */
  41 #define CPC700_PMM1_LOCAL               0xff400010
  42 #define CPC700_PMM1_MASK_ATTR           0xff400014
  43 #define CPC700_PMM1_PCI_LOW             0xff400018
  44 #define CPC700_PMM1_PCI_HIGH            0xff40001c
  45 /* CPU -> PCI memory window 2 */
  46 #define CPC700_PMM2_LOCAL               0xff400020
  47 #define CPC700_PMM2_MASK_ATTR           0xff400024
  48 #define CPC700_PMM2_PCI_LOW             0xff400028
  49 #define CPC700_PMM2_PCI_HIGH            0xff40002c
  50 /* PCI memory -> CPU window 1 */
  51 #define CPC700_PTM1_MEMSIZE             0xff400030      /* window size */
  52 #define CPC700_PTM1_LOCAL               0xff400034      /* CPU phys addr */
  53 /* PCI memory -> CPU window 2 */
  54 #define CPC700_PTM2_MEMSIZE             0xff400038      /* size and enable */
  55 #define CPC700_PTM2_LOCAL               0xff40003c
  56
  57 /*
  58  * PIC Section
  59  *
  60  * IBM calls the CPC700's programmable interrupt controller the Universal
  61  * Interrupt Controller or UIC.
  62  */
  63
  64 /*
  65  * UIC Register Addresses.
  66  */
  67 #define CPC700_UIC_UICSR                0xff500880      /* Status Reg (Rd/Clr)*/
  68 #define CPC700_UIC_UICSRS               0xff500884      /* Status Reg (Set) */
  69 #define CPC700_UIC_UICER                0xff500888      /* Enable Reg */
  70 #define CPC700_UIC_UICCR                0xff50088c      /* Critical Reg */
  71 #define CPC700_UIC_UICPR                0xff500890      /* Polarity Reg */
  72 #define CPC700_UIC_UICTR                0xff500894      /* Trigger Reg */
  73 #define CPC700_UIC_UICMSR               0xff500898      /* Masked Status Reg */
  74 #define CPC700_UIC_UICVR                0xff50089c      /* Vector Reg */
  75 #define CPC700_UIC_UICVCR               0xff5008a0      /* Vector Config Reg */
  76
  77 #define CPC700_UIC_UICER_ENABLE         0x00000001      /* Enable an IRQ */
  78
  79 #define CPC700_UIC_UICVCR_31_HI         0x00000000      /* IRQ 31 hi priority */
  80 #define CPC700_UIC_UICVCR_0_HI          0x00000001      /* IRQ 0 hi priority */
  81 #define CPC700_UIC_UICVCR_BASE_MASK     0xfffffffc
  82 #define CPC700_UIC_UICVCR_ORDER_MASK    0x00000001
  83
  84 /* Specify value of a bit for an IRQ. */
  85 #define CPC700_UIC_IRQ_BIT(i)           ((0x00000001) << (31 - (i)))
  86
  87 /*
  88  * UIC Exports...
  89  */
  90 extern struct hw_interrupt_type cpc700_pic;
  91 extern unsigned int cpc700_irq_assigns[32][2];
  92
  93 extern void __init cpc700_init_IRQ(void);
  94 extern int cpc700_get_irq(void);
  95
  96 #endif  /* __PPC_SYSLIB_CPC700_H__ */