1 /*-
2  * Copyright (c) 2013 Ganbold Tsagaankhuu <ganbold@freebsd.org>
3  * All rights reserved.
4  *
5  * This code is derived from software written for Brini by Mark Brinicombe
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  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  *
28  * from: FreeBSD: //depot/projects/arm/src/sys/arm/ti/ti_machdep.c
29  */
30 
31 #include "opt_ddb.h"
32 #include "opt_platform.h"
33 
34 #include <sys/cdefs.h>
35 __FBSDID("$FreeBSD: stable/10/sys/arm/rockchip/rk30xx_machdep.c 266397 2014-05-18 13:05:07Z ian $");
36 
37 #define _ARM32_BUS_DMA_PRIVATE
38 #include <sys/param.h>
39 #include <sys/systm.h>
40 #include <sys/bus.h>
41 
42 #include <vm/vm.h>
43 #include <vm/pmap.h>
44 
45 #include <machine/armreg.h>
46 #include <machine/bus.h>
47 #include <machine/devmap.h>
48 #include <machine/machdep.h>
49 
50 #include <dev/fdt/fdt_common.h>
51 
52 vm_offset_t
initarm_lastaddr(void)53 initarm_lastaddr(void)
54 {
55 
56 	return (arm_devmap_lastaddr());
57 }
58 
59 void
initarm_early_init(void)60 initarm_early_init(void)
61 {
62 
63 }
64 
65 void
initarm_gpio_init(void)66 initarm_gpio_init(void)
67 {
68 }
69 
70 void
initarm_late_init(void)71 initarm_late_init(void)
72 {
73 
74 	/* Enable cache */
75 	cpufunc_control(CPU_CONTROL_DC_ENABLE|CPU_CONTROL_IC_ENABLE,
76 	    CPU_CONTROL_DC_ENABLE|CPU_CONTROL_IC_ENABLE);
77 }
78 
79 /*
80  * Set up static device mappings.
81  */
82 int
initarm_devmap_init(void)83 initarm_devmap_init(void)
84 {
85 
86 	arm_devmap_add_entry(0x10000000, 0x00200000);
87 	arm_devmap_add_entry(0x20000000, 0x00100000);
88 
89 	return (0);
90 }
91 
92 struct arm32_dma_range *
bus_dma_get_range(void)93 bus_dma_get_range(void)
94 {
95 
96 	return (NULL);
97 }
98 
99 int
bus_dma_get_range_nb(void)100 bus_dma_get_range_nb(void)
101 {
102 
103 	return (0);
104 }
105 
106 void
cpu_reset()107 cpu_reset()
108 {
109 
110 	printf("No cpu_reset implementation!\n");
111 	while (1);
112 }
113