1 /*-
2 * Copyright (c) 1994-1998 Mark Brinicombe.
3 * Copyright (c) 1994 Brini.
4 * All rights reserved.
5 *
6 * This code is derived from software written for Brini by Mark Brinicombe
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by Brini.
19 * 4. The name of the company nor the name of the author may be used to
20 * endorse or promote products derived from this software without specific
21 * prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
24 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
25 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26 * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
27 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
28 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
29 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 *
35 * from: FreeBSD: //depot/projects/arm/src/sys/arm/at91/kb920x_machdep.c, rev 45
36 */
37
38 #include "opt_platform.h"
39
40 #include <sys/cdefs.h>
41 __FBSDID("$FreeBSD: releng/10.2/sys/arm/ti/ti_machdep.c 266084 2014-05-14 19:18:58Z ian $");
42
43 #define _ARM32_BUS_DMA_PRIVATE
44 #include <sys/param.h>
45 #include <sys/systm.h>
46 #include <sys/bus.h>
47
48 #include <vm/vm.h>
49 #include <vm/pmap.h>
50
51 #include <machine/bus.h>
52 #include <machine/devmap.h>
53 #include <machine/machdep.h>
54
55 #include <arm/ti/omap4/omap4_reg.h>
56
57 void (*ti_cpu_reset)(void) = NULL;
58
59 vm_offset_t
60 initarm_lastaddr(void)
61 {
62
63 return (arm_devmap_lastaddr());
64 }
65
66 void
67 initarm_early_init(void)
68 {
69 }
70
71 void
72 initarm_gpio_init(void)
73 {
74 }
75
76 void
77 initarm_late_init(void)
78 {
79 }
80
81 /*
82 * Construct static devmap entries to map out the most frequently used
83 * peripherals using 1mb section mappings.
84 */
85 int
86 initarm_devmap_init(void)
87 {
88 #if defined(SOC_OMAP4)
89 arm_devmap_add_entry(0x48000000, 0x01000000); /*16mb L4_PER devices */
90 arm_devmap_add_entry(0x4A000000, 0x01000000); /*16mb L4_CFG devices */
91 #elif defined(SOC_TI_AM335X)
92 arm_devmap_add_entry(0x44C00000, 0x00400000); /* 4mb L4_WKUP devices*/
93 arm_devmap_add_entry(0x47400000, 0x00100000); /* 1mb USB */
94 arm_devmap_add_entry(0x47800000, 0x00100000); /* 1mb mmchs2 */
95 arm_devmap_add_entry(0x48000000, 0x01000000); /*16mb L4_PER devices */
96 arm_devmap_add_entry(0x49000000, 0x00100000); /* 1mb edma3 */
97 arm_devmap_add_entry(0x49800000, 0x00300000); /* 3mb edma3 */
98 arm_devmap_add_entry(0x4A000000, 0x01000000); /*16mb L4_FAST devices*/
99 #else
100 #error "Unknown SoC"
101 #endif
102 return (0);
103 }
104
105 struct arm32_dma_range *
106 bus_dma_get_range(void)
107 {
108
109 return (NULL);
110 }
111
112 int
113 bus_dma_get_range_nb(void)
114 {
115
116 return (0);
117 }
118
119 void
120 cpu_reset()
121 {
122 if (ti_cpu_reset)
123 (*ti_cpu_reset)();
124 else
125 printf("no cpu_reset implementation\n");
126 printf("Reset failed!\n");
127 while (1);
128 }
Cache object: 39cfd6f1eaf36d45dda5ad1dec6c84ef
|