sys/arch/arm/xscale/pxa2x0var.h

   1 /* $NetBSD: pxa2x0var.h,v 1.5 2007/02/21 22:59:39 thorpej Exp $ */
   2
   3 /*
   4  * Copyright (c) 2002  Genetec Corporation.  All rights reserved.
   5  * Written by Hiroyuki Bessho for Genetec Corporation.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. All advertising materials mentioning features or use of this software
  16  *    must display the following acknowledgement:
  17  *      This product includes software developed for the NetBSD Project by
  18  *      Genetec Corporation.
  19  * 4. The name of Genetec Corporation may not be used to endorse or
  20  *    promote products derived from this software without specific prior
  21  *    written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY GENETEC CORPORATION ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  25  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  26  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL GENETEC CORPORATION
  27  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  28  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  29  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  30  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  31  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  32  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  33  * POSSIBILITY OF SUCH DAMAGE.
  34  */
  35
  36
  37 #ifndef _ARM_XSCALE_PXA2X0VAR_H_
  38 #define _ARM_XSCALE_PXA2X0VAR_H_
  39
  40 #include <arm/sa11x0/sa11x0_var.h>
  41
  42 /* PXA2X0's integrated peripheral bus. */
  43
  44 typedef int (* pxa2x0_irq_handler_t)(void *);
  45
  46 struct pxaip_attach_args {
  47         struct sa11x0_attach_args  pxa_sa;
  48         bus_dma_tag_t pxa_dmat;
  49         int pxa_index;                  /* to specify device by index number */
  50
  51 #define pxa_name        pxa_sa.sa_name
  52 #define pxa_iot         pxa_sa.sa_iot
  53 #define pxa_addr        pxa_sa.sa_addr
  54 #define pxa_size        pxa_sa.sa_size
  55 #define pxa_intr        pxa_sa.sa_intr
  56 };
  57
  58
  59 extern struct bus_space pxa2x0_bs_tag;
  60 extern struct arm32_bus_dma_tag pxa2x0_bus_dma_tag;
  61 extern struct bus_space pxa2x0_a4x_bs_tag;
  62
  63 /* misc. */
  64 extern void pxa2x0_fcs_init(void);
  65 extern void pxa2x0_freq_change(int);
  66 extern void pxa2x0_turbo_mode(int);
  67 extern int pxa2x0_i2c_master_tx( int, uint8_t *, int );
  68
  69 /*
  70  * Probe the memory controller to deterimine which SDRAM are
  71  * populated, and what size of SDRAM is present in each bank.
  72  *
  73  * This routine should be called from a port's initarm()
  74  * function, with the first parameter set to the address
  75  * of the memory controller's registers.
  76  */
  77 extern void pxa2x0_probe_sdram(vaddr_t, paddr_t *, psize_t *);
  78
  79 /*
  80  * MEMCTL registers quick access functions.
  81  */
  82 extern void pxa2x0_memctl_bootstrap(vaddr_t);
  83 extern uint32_t pxa2x0_memctl_read(int);
  84 extern void pxa2x0_memctl_write(int, uint32_t);
  85
  86 /*
  87  * Configure one or more clock enables in the Clock Manager's
  88  * CKEN register.
  89  */
  90 extern void pxa2x0_clkman_bootstrap(vaddr_t);
  91 extern void pxa2x0_clkman_config(u_int, bool);
  92
  93 #endif /* _ARM_XSCALE_PXA2X0VAR_H_ */