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      1 /* $NetBSD: pxa2x0var.h,v 1.6 2009/08/09 06:12:34 kiyohara 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_ */
     94