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_ddb.h" 39#include "opt_platform.h" 40 41#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 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_ddb.h" 39#include "opt_platform.h" 40 41#include <sys/cdefs.h>
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42__FBSDID("$FreeBSD: head/sys/arm/lpc/lpc_machdep.c 257669 2013-11-05 02:57:34Z ian $");
| 42__FBSDID("$FreeBSD: head/sys/arm/lpc/lpc_machdep.c 260326 2014-01-05 18:40:06Z ian $");
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43 44#define _ARM32_BUS_DMA_PRIVATE 45#include <sys/param.h> 46#include <sys/systm.h> 47#include <sys/bus.h> 48 49#include <vm/vm.h> 50#include <vm/pmap.h> 51 52#include <machine/bus.h> 53#include <machine/devmap.h> 54#include <machine/machdep.h> 55 56#include <arm/lpc/lpcreg.h> 57#include <arm/lpc/lpcvar.h> 58 59#include <dev/fdt/fdt_common.h>
| 43 44#define _ARM32_BUS_DMA_PRIVATE 45#include <sys/param.h> 46#include <sys/systm.h> 47#include <sys/bus.h> 48 49#include <vm/vm.h> 50#include <vm/pmap.h> 51 52#include <machine/bus.h> 53#include <machine/devmap.h> 54#include <machine/machdep.h> 55 56#include <arm/lpc/lpcreg.h> 57#include <arm/lpc/lpcvar.h> 58 59#include <dev/fdt/fdt_common.h>
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60#include <dev/ic/ns16550.h>
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61 62vm_offset_t 63initarm_lastaddr(void) 64{ 65
| 60 61vm_offset_t 62initarm_lastaddr(void) 63{ 64
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66 return (fdt_immr_va);
| 65 return (arm_devmap_lastaddr());
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67} 68 69void 70initarm_early_init(void) 71{
| 66} 67 68void 69initarm_early_init(void) 70{
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72 73 if (fdt_immr_addr(LPC_DEV_BASE) != 0) 74 while (1);
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75} 76 77void 78initarm_gpio_init(void) 79{ 80 81 /* 82 * Set initial values of GPIO output ports 83 */ 84 platform_gpio_init(); 85} 86 87void 88initarm_late_init(void) 89{ 90} 91
| 71} 72 73void 74initarm_gpio_init(void) 75{ 76 77 /* 78 * Set initial values of GPIO output ports 79 */ 80 platform_gpio_init(); 81} 82 83void 84initarm_late_init(void) 85{ 86} 87
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92#define FDT_DEVMAP_MAX (1 + 2 + 1 + 1) 93static struct arm_devmap_entry fdt_devmap[FDT_DEVMAP_MAX] = { 94 { 0, 0, 0, 0, 0, } 95}; 96
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97/*
| 88/*
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98 * Construct pmap_devmap[] with DT-derived config data.
| 89 * Add a single static device mapping. 90 * The values used were taken from the ranges property of the SoC node in the 91 * dts file when this code was converted to arm_devmap_add_entry().
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99 */ 100int 101initarm_devmap_init(void) 102{ 103
| 92 */ 93int 94initarm_devmap_init(void) 95{ 96
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104 /* 105 * IMMR range. 106 */ 107 fdt_devmap[0].pd_va = fdt_immr_va; 108 fdt_devmap[0].pd_pa = fdt_immr_pa; 109 fdt_devmap[0].pd_size = fdt_immr_size; 110 fdt_devmap[0].pd_prot = VM_PROT_READ | VM_PROT_WRITE; 111 fdt_devmap[0].pd_cache = PTE_NOCACHE; 112 113 arm_devmap_register_table(&fdt_devmap[0]);
| 97 arm_devmap_add_entry(LPC_DEV_PHYS_BASE, LPC_DEV_SIZE);
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114 return (0); 115} 116 117struct arm32_dma_range * 118bus_dma_get_range(void) 119{ 120 121 return (NULL); 122} 123 124int 125bus_dma_get_range_nb(void) 126{ 127 128 return (0); 129} 130 131void 132cpu_reset(void) 133{
| 98 return (0); 99} 100 101struct arm32_dma_range * 102bus_dma_get_range(void) 103{ 104 105 return (NULL); 106} 107 108int 109bus_dma_get_range_nb(void) 110{ 111 112 return (0); 113} 114 115void 116cpu_reset(void) 117{
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| 118 bus_space_tag_t bst; 119 bus_space_handle_t bsh; 120 121 bst = fdtbus_bs_tag; 122
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134 /* Enable WDT */
| 123 /* Enable WDT */
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135 bus_space_write_4(fdtbus_bs_tag, 136 LPC_CLKPWR_BASE, LPC_CLKPWR_TIMCLK_CTRL,
| 124 bus_space_map(bst, LPC_CLKPWR_PHYS_BASE, LPC_CLKPWR_SIZE, 0, &bsh); 125 bus_space_write_4(bst, bsh, LPC_CLKPWR_TIMCLK_CTRL,
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137 LPC_CLKPWR_TIMCLK_CTRL_WATCHDOG);
| 126 LPC_CLKPWR_TIMCLK_CTRL_WATCHDOG);
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| 127 bus_space_unmap(bst, bsh, LPC_CLKPWR_SIZE);
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138 139 /* Instant assert of RESETOUT_N with pulse length 1ms */
| 128 129 /* Instant assert of RESETOUT_N with pulse length 1ms */
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140 bus_space_write_4(fdtbus_bs_tag, LPC_WDTIM_BASE, LPC_WDTIM_PULSE, 13000); 141 bus_space_write_4(fdtbus_bs_tag, LPC_WDTIM_BASE, LPC_WDTIM_MCTRL, 0x70);
| 130 bus_space_map(bst, LPC_WDTIM_PHYS_BASE, LPC_WDTIM_SIZE, 0, &bsh); 131 bus_space_write_4(bst, bsh, LPC_WDTIM_PULSE, 13000); 132 bus_space_write_4(bst, bsh, LPC_WDTIM_MCTRL, 0x70); 133 bus_space_unmap(bst, bsh, LPC_WDTIM_SIZE);
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142
| 134
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143 for (;;);
| 135 for (;;) 136 continue;
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144} 145
| 137} 138
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