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 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 |
53vm_offset_t 54initarm_lastaddr(void) 55{ 56 |
57 return (arm_devmap_lastaddr()); |
58} 59 60void 61initarm_early_init(void) 62{ |
63} 64 65void 66initarm_gpio_init(void) 67{ 68} 69 70void 71initarm_late_init(void) 72{ 73} 74 |
75/* |
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. |
84 */ 85int 86initarm_devmap_init(void) 87{ |
88 |
89 arm_devmap_add_entry(0x01C00000, 0x00400000); /* 4MB */ |
90 |
91 return (0); 92} 93 94struct arm32_dma_range * 95bus_dma_get_range(void) 96{ 97 return (NULL); 98} --- 14 unchanged lines hidden --- |