1/*-
2 * Copyright 2013-2015 John Wehle <john@feith.com>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include "opt_global.h"
28
29#include <sys/cdefs.h>
| 1/*-
2 * Copyright 2013-2015 John Wehle <john@feith.com>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include "opt_global.h"
28
29#include <sys/cdefs.h>
|
30__FBSDID("$FreeBSD: head/sys/arm/amlogic/aml8726/aml8726_machdep.c 295509 2016-02-11 11:49:27Z andrew $");
| 30__FBSDID("$FreeBSD: head/sys/arm/amlogic/aml8726/aml8726_machdep.c 298068 2016-04-15 16:05:41Z andrew $");
|
31
32#include "opt_platform.h"
33
34#define _ARM32_BUS_DMA_PRIVATE
35#include <sys/param.h>
36#include <sys/systm.h>
37#include <sys/bus.h>
38
39#include <vm/vm.h>
40#include <vm/pmap.h>
41
42#include <machine/bus.h>
43#include <machine/cpufunc.h>
44#include <machine/devmap.h>
45#include <machine/intr.h>
46#include <machine/machdep.h>
47#include <machine/platform.h>
48
49#include <dev/fdt/fdt_common.h>
50
51#include <arm/amlogic/aml8726/aml8726_soc.h>
52#include <arm/amlogic/aml8726/aml8726_clkmsr.h>
53
54#if defined(SOCDEV_PA) && defined(SOCDEV_VA)
55vm_offset_t aml8726_aobus_kva_base = SOCDEV_VA;
56#else
57vm_offset_t aml8726_aobus_kva_base;
58#endif
59
60static void
61aml8726_fixup_busfreq()
62{
63 phandle_t node;
64 pcell_t freq, prop;
65 ssize_t len;
66
67 /*
68 * Set the bus-frequency for the SoC simple-bus if it
69 * needs updating (meaning the current frequency is zero).
70 */
71
72 if ((freq = aml8726_clkmsr_bus_frequency()) == 0 ||
73 (node = OF_finddevice("/soc")) == 0 ||
74 fdt_is_compatible_strict(node, "simple-bus") == 0)
75 while (1);
76
77 freq = cpu_to_fdt32(freq);
78
79 len = OF_getencprop(node, "bus-frequency", &prop, sizeof(prop));
80 if ((len / sizeof(prop)) == 1 && prop == 0)
81 OF_setprop(node, "bus-frequency", (void *)&freq, sizeof(freq));
82}
83
84vm_offset_t
85platform_lastaddr(void)
86{
87
88 return (arm_devmap_lastaddr());
89}
90
91void
92platform_probe_and_attach(void)
93{
94}
95
96void
97platform_gpio_init(void)
98{
99
100 /*
101 * The UART console driver used for debugging early boot code
102 * needs to know the virtual base address of the aobus. It's
103 * expected to equal SOCDEV_VA prior to initarm calling setttb
104 * ... afterwards it needs to be updated due to the new page
105 * tables.
106 *
107 * This means there's a deadzone in initarm between setttb
108 * and platform_gpio_init during which printf can't be used.
109 */
110 aml8726_aobus_kva_base =
111 (vm_offset_t)arm_devmap_ptov(0xc8100000, 0x100000);
112
113 /*
114 * The hardware mux used by clkmsr is unique to the SoC (though
115 * currently clk81 is at a fixed location, however that might
116 * change in the future).
117 */
118 aml8726_identify_soc();
119
120 /*
121 * My aml8726-m3 development box which identifies the CPU as
122 * a Cortex A9-r2 rev 4 randomly locks up during boot when WFI
123 * is used.
124 */
125 switch (aml8726_soc_hw_rev) {
126 case AML_SOC_HW_REV_M3:
127 cpufuncs.cf_sleep = (void *)cpufunc_nullop;
128 break;
129 default:
130 break;
131 }
132
133 /*
134 * This FDT fixup should arguably be called through fdt_fixup_table,
135 * however currently there's no mechanism to specify a fixup which
136 * should always be invoked.
137 *
138 * It needs to be called prior to the console being initialized which
139 * is why it's called here, rather than from platform_late_init.
140 */
141 aml8726_fixup_busfreq();
142}
143
144void
145platform_late_init(void)
146{
147}
148
149/*
150 * Construct static devmap entries to map out the core
151 * peripherals using 1mb section mappings.
152 */
153int
154platform_devmap_init(void)
155{
156
157 arm_devmap_add_entry(0xc1100000, 0x200000); /* cbus */
158 arm_devmap_add_entry(0xc4200000, 0x100000); /* pl310 */
159 arm_devmap_add_entry(0xc4300000, 0x100000); /* periph */
160 arm_devmap_add_entry(0xc8000000, 0x100000); /* apbbus */
161 arm_devmap_add_entry(0xc8100000, 0x100000); /* aobus */
162 arm_devmap_add_entry(0xc9000000, 0x800000); /* ahbbus */
163 arm_devmap_add_entry(0xd9000000, 0x100000); /* ahb */
164 arm_devmap_add_entry(0xda000000, 0x100000); /* secbus */
165
166 return (0);
167}
168
169struct arm32_dma_range *
170bus_dma_get_range(void)
171{
172
173 return (NULL);
174}
175
176int
177bus_dma_get_range_nb(void)
178{
179
180 return (0);
181}
182
183struct fdt_fixup_entry fdt_fixup_table[] = {
184 { NULL, NULL }
185};
186
| 31
32#include "opt_platform.h"
33
34#define _ARM32_BUS_DMA_PRIVATE
35#include <sys/param.h>
36#include <sys/systm.h>
37#include <sys/bus.h>
38
39#include <vm/vm.h>
40#include <vm/pmap.h>
41
42#include <machine/bus.h>
43#include <machine/cpufunc.h>
44#include <machine/devmap.h>
45#include <machine/intr.h>
46#include <machine/machdep.h>
47#include <machine/platform.h>
48
49#include <dev/fdt/fdt_common.h>
50
51#include <arm/amlogic/aml8726/aml8726_soc.h>
52#include <arm/amlogic/aml8726/aml8726_clkmsr.h>
53
54#if defined(SOCDEV_PA) && defined(SOCDEV_VA)
55vm_offset_t aml8726_aobus_kva_base = SOCDEV_VA;
56#else
57vm_offset_t aml8726_aobus_kva_base;
58#endif
59
60static void
61aml8726_fixup_busfreq()
62{
63 phandle_t node;
64 pcell_t freq, prop;
65 ssize_t len;
66
67 /*
68 * Set the bus-frequency for the SoC simple-bus if it
69 * needs updating (meaning the current frequency is zero).
70 */
71
72 if ((freq = aml8726_clkmsr_bus_frequency()) == 0 ||
73 (node = OF_finddevice("/soc")) == 0 ||
74 fdt_is_compatible_strict(node, "simple-bus") == 0)
75 while (1);
76
77 freq = cpu_to_fdt32(freq);
78
79 len = OF_getencprop(node, "bus-frequency", &prop, sizeof(prop));
80 if ((len / sizeof(prop)) == 1 && prop == 0)
81 OF_setprop(node, "bus-frequency", (void *)&freq, sizeof(freq));
82}
83
84vm_offset_t
85platform_lastaddr(void)
86{
87
88 return (arm_devmap_lastaddr());
89}
90
91void
92platform_probe_and_attach(void)
93{
94}
95
96void
97platform_gpio_init(void)
98{
99
100 /*
101 * The UART console driver used for debugging early boot code
102 * needs to know the virtual base address of the aobus. It's
103 * expected to equal SOCDEV_VA prior to initarm calling setttb
104 * ... afterwards it needs to be updated due to the new page
105 * tables.
106 *
107 * This means there's a deadzone in initarm between setttb
108 * and platform_gpio_init during which printf can't be used.
109 */
110 aml8726_aobus_kva_base =
111 (vm_offset_t)arm_devmap_ptov(0xc8100000, 0x100000);
112
113 /*
114 * The hardware mux used by clkmsr is unique to the SoC (though
115 * currently clk81 is at a fixed location, however that might
116 * change in the future).
117 */
118 aml8726_identify_soc();
119
120 /*
121 * My aml8726-m3 development box which identifies the CPU as
122 * a Cortex A9-r2 rev 4 randomly locks up during boot when WFI
123 * is used.
124 */
125 switch (aml8726_soc_hw_rev) {
126 case AML_SOC_HW_REV_M3:
127 cpufuncs.cf_sleep = (void *)cpufunc_nullop;
128 break;
129 default:
130 break;
131 }
132
133 /*
134 * This FDT fixup should arguably be called through fdt_fixup_table,
135 * however currently there's no mechanism to specify a fixup which
136 * should always be invoked.
137 *
138 * It needs to be called prior to the console being initialized which
139 * is why it's called here, rather than from platform_late_init.
140 */
141 aml8726_fixup_busfreq();
142}
143
144void
145platform_late_init(void)
146{
147}
148
149/*
150 * Construct static devmap entries to map out the core
151 * peripherals using 1mb section mappings.
152 */
153int
154platform_devmap_init(void)
155{
156
157 arm_devmap_add_entry(0xc1100000, 0x200000); /* cbus */
158 arm_devmap_add_entry(0xc4200000, 0x100000); /* pl310 */
159 arm_devmap_add_entry(0xc4300000, 0x100000); /* periph */
160 arm_devmap_add_entry(0xc8000000, 0x100000); /* apbbus */
161 arm_devmap_add_entry(0xc8100000, 0x100000); /* aobus */
162 arm_devmap_add_entry(0xc9000000, 0x800000); /* ahbbus */
163 arm_devmap_add_entry(0xd9000000, 0x100000); /* ahb */
164 arm_devmap_add_entry(0xda000000, 0x100000); /* secbus */
165
166 return (0);
167}
168
169struct arm32_dma_range *
170bus_dma_get_range(void)
171{
172
173 return (NULL);
174}
175
176int
177bus_dma_get_range_nb(void)
178{
179
180 return (0);
181}
182
183struct fdt_fixup_entry fdt_fixup_table[] = {
184 { NULL, NULL }
185};
186
|
187#ifndef ARM_INTRNG
| 187#ifndef INTRNG
|
188#ifndef DEV_GIC
189static int
190fdt_pic_decode_ic(phandle_t node, pcell_t *intr, int *interrupt, int *trig,
191 int *pol)
192{
193
194 /*
195 * The single core chips have just an Amlogic PIC.
196 */
197 if (!fdt_is_compatible_strict(node, "amlogic,aml8726-pic"))
198 return (ENXIO);
199
200 *interrupt = fdt32_to_cpu(intr[1]);
201 *trig = INTR_TRIGGER_EDGE;
202 *pol = INTR_POLARITY_HIGH;
203
204 return (0);
205}
206#endif
207
208fdt_pic_decode_t fdt_pic_table[] = {
209#ifdef DEV_GIC
210 &gic_decode_fdt,
211#else
212 &fdt_pic_decode_ic,
213#endif
214 NULL
215};
| 188#ifndef DEV_GIC
189static int
190fdt_pic_decode_ic(phandle_t node, pcell_t *intr, int *interrupt, int *trig,
191 int *pol)
192{
193
194 /*
195 * The single core chips have just an Amlogic PIC.
196 */
197 if (!fdt_is_compatible_strict(node, "amlogic,aml8726-pic"))
198 return (ENXIO);
199
200 *interrupt = fdt32_to_cpu(intr[1]);
201 *trig = INTR_TRIGGER_EDGE;
202 *pol = INTR_POLARITY_HIGH;
203
204 return (0);
205}
206#endif
207
208fdt_pic_decode_t fdt_pic_table[] = {
209#ifdef DEV_GIC
210 &gic_decode_fdt,
211#else
212 &fdt_pic_decode_ic,
213#endif
214 NULL
215};
|
216#endif /* ARM_INTRNG */
| 216#endif /* INTRNG */
|
| |