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ti_machdep.c (259365) ti_machdep.c (266084)
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

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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>
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

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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: stable/10/sys/arm/ti/ti_machdep.c 259365 2013-12-14 00:16:08Z ian $");
41__FBSDID("$FreeBSD: stable/10/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
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/* Start of address space used for bootstrap map */
58#define DEVMAP_BOOTSTRAP_MAP_START 0xF0000000
57void (*ti_cpu_reset)(void) = NULL;
59
58
60void (*ti_cpu_reset)(void);
61
62vm_offset_t
63initarm_lastaddr(void)
64{
65
59vm_offset_t
60initarm_lastaddr(void)
61{
62
66 return (DEVMAP_BOOTSTRAP_MAP_START);
63 return (arm_devmap_lastaddr());
67}
68
69void
70initarm_early_init(void)
71{
64}
65
66void
67initarm_early_init(void)
68{
72
73 ti_cpu_reset = NULL;
74}
75
76void
77initarm_gpio_init(void)
78{
79}
80
81void
82initarm_late_init(void)
83{
84}
85
69}
70
71void
72initarm_gpio_init(void)
73{
74}
75
76void
77initarm_late_init(void)
78{
79}
80
86#define FDT_DEVMAP_MAX (2) // FIXME
87static struct arm_devmap_entry fdt_devmap[FDT_DEVMAP_MAX] = {
88 { 0, 0, 0, 0, 0, }
89};
90
91
92/*
81/*
93 * Construct pmap_devmap[] with DT-derived config data.
82 * Construct static devmap entries to map out the most frequently used
83 * peripherals using 1mb section mappings.
94 */
95int
96initarm_devmap_init(void)
97{
84 */
85int
86initarm_devmap_init(void)
87{
98 int i = 0;
99#if defined(SOC_OMAP4)
88#if defined(SOC_OMAP4)
100 fdt_devmap[i].pd_va = 0xF8000000;
101 fdt_devmap[i].pd_pa = 0x48000000;
102 fdt_devmap[i].pd_size = 0x1000000;
103 fdt_devmap[i].pd_prot = VM_PROT_READ | VM_PROT_WRITE;
104 fdt_devmap[i].pd_cache = PTE_DEVICE;
105 i++;
89 arm_devmap_add_entry(0x48000000, 0x01000000); /*16mb L4_PER devices */
90 arm_devmap_add_entry(0x4A000000, 0x01000000); /*16mb L4_CFG devices */
106#elif defined(SOC_TI_AM335X)
91#elif defined(SOC_TI_AM335X)
107 fdt_devmap[i].pd_va = 0xF4C00000;
108 fdt_devmap[i].pd_pa = 0x44C00000; /* L4_WKUP */
109 fdt_devmap[i].pd_size = 0x400000; /* 4 MB */
110 fdt_devmap[i].pd_prot = VM_PROT_READ | VM_PROT_WRITE;
111 fdt_devmap[i].pd_cache = PTE_DEVICE;
112 i++;
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*/
113#else
114#error "Unknown SoC"
115#endif
99#else
100#error "Unknown SoC"
101#endif
116
117 arm_devmap_register_table(&fdt_devmap[0]);
118 return (0);
119}
120
121struct arm32_dma_range *
122bus_dma_get_range(void)
123{
124
125 return (NULL);

--- 19 unchanged lines hidden --- 		102 return (0);
103}
104
105struct arm32_dma_range *
106bus_dma_get_range(void)
107{
108
109 return (NULL);

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