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a10_machdep.c (259365) a10_machdep.c (266084)
1/*-
2 * Copyright (c) 2012 Ganbold Tsagaankhuu <ganbold@gmail.com>
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

--- 18 unchanged lines hidden (view full) ---

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>
1/*-
2 * Copyright (c) 2012 Ganbold Tsagaankhuu <ganbold@gmail.com>
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

--- 18 unchanged lines hidden (view full) ---

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/allwinner/a10_machdep.c 259365 2013-12-14 00:16:08Z ian $");
35__FBSDID("$FreeBSD: stable/10/sys/arm/allwinner/a10_machdep.c 266084 2014-05-14 19:18:58Z 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/bus.h>
46#include <machine/devmap.h>
47#include <machine/machdep.h>
48
49#include <dev/fdt/fdt_common.h>
50
51#include <arm/allwinner/a10_wdog.h>
52
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/bus.h>
46#include <machine/devmap.h>
47#include <machine/machdep.h>
48
49#include <dev/fdt/fdt_common.h>
50
51#include <arm/allwinner/a10_wdog.h>
52
53/* Start of address space used for bootstrap map */
54#define DEVMAP_BOOTSTRAP_MAP_START 0xE0000000
55
56
57vm_offset_t
58initarm_lastaddr(void)
59{
60
53vm_offset_t
54initarm_lastaddr(void)
55{
56
61 return (DEVMAP_BOOTSTRAP_MAP_START);
57 return (arm_devmap_lastaddr());
62}
63
64void
65initarm_early_init(void)
66{
58}
59
60void
61initarm_early_init(void)
62{
67
68}
69
70void
71initarm_gpio_init(void)
72{
73}
74
75void
76initarm_late_init(void)
77{
78}
79
63}
64
65void
66initarm_gpio_init(void)
67{
68}
69
70void
71initarm_late_init(void)
72{
73}
74
80#define FDT_DEVMAP_MAX (1 + 2 + 1 + 1)
81static struct arm_devmap_entry fdt_devmap[FDT_DEVMAP_MAX] = {
82 { 0, 0, 0, 0, 0, }
83};
84
85/*
75/*
86 * Construct pmap_devmap[] with DT-derived config data.
76 * Set up static device mappings.
77 *
78 * This covers all the on-chip device with 1MB section mappings, which is good
79 * for performance (uses fewer TLB entries for device access).
80 *
81 * XXX It also covers a block of SRAM and some GPU (mali400) stuff that maybe
82 * shouldn't be device-mapped. The original code mapped a 4MB block, but
83 * perhaps a 1MB block would be more appropriate.
87 */
88int
89initarm_devmap_init(void)
90{
84 */
85int
86initarm_devmap_init(void)
87{
91 int i = 0;
92
88
93 fdt_devmap[i].pd_va = 0xE1C00000;
94 fdt_devmap[i].pd_pa = 0x01C00000;
95 fdt_devmap[i].pd_size = 0x00400000; /* 4 MB */
96 fdt_devmap[i].pd_prot = VM_PROT_READ | VM_PROT_WRITE;
97 fdt_devmap[i].pd_cache = PTE_DEVICE;
89 arm_devmap_add_entry(0x01C00000, 0x00400000); /* 4MB */
98
90
99 i++;
100
101 arm_devmap_register_table(&fdt_devmap[0]);
102
103 return (0);
104}
105
106struct arm32_dma_range *
107bus_dma_get_range(void)
108{
109 return (NULL);
110}

--- 14 unchanged lines hidden --- 		91 return (0);
92}
93
94struct arm32_dma_range *
95bus_dma_get_range(void)
96{
97 return (NULL);
98}

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