summaryrefslogtreecommitdiff
path: root/src/mainboard/arm/rdn2/acpi.c
blob: 941c2f4767044dfd716ce835025ba5f9a9dd60bb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
/* SPDX-License-Identifier: GPL-2.0-only */

#include <acpi/acpi.h>
#include <acpi/acpi_iort.h>
#include <console/console.h>
#include <mainboard/addressmap.h>
#include <stdio.h>

void acpi_fill_fadt(acpi_fadt_t *fadt)
{
}

unsigned long acpi_fill_madt(unsigned long current)
{
	return current;
}

uintptr_t platform_get_gicd_base(void)
{
	return RDN2_GIC_DIST;
}

uintptr_t platform_get_gicr_base(void)
{
	return RDN2_GIC_REDIST;
}

void platform_fill_gicc(acpi_madt_gicc_t *gicc)
{
	gicc->physical_base_address = platform_get_gicd_base();
	gicc->gicv = RDN2_VGIC_BASE;
	gicc->gich = RDN2_HGIC_BASE;

	if (gicc->mpidr >> 16 == 0xf)
		gicc->trbe_interrupt = 0x180c;
	else
		gicc->trbe_interrupt = 0x500b;
}

static uintptr_t gic_its[] = {
	RDN2_GIC_ITS(0),
	RDN2_GIC_ITS(1),
	RDN2_GIC_ITS(2),
	RDN2_GIC_ITS(3),
	RDN2_GIC_ITS(4),
	RDN2_GIC_ITS(5)
};

int platform_get_gic_its(uintptr_t **base)
{
	*base = gic_its;
	return ARRAY_SIZE(gic_its);
}

void mainboard_fill_fadt(acpi_fadt_t *fadt)
{
	fadt->preferred_pm_profile = PM_DESKTOP;
	fadt->ARM_boot_arch = 1;
}

void acpi_soc_fill_gtdt(acpi_gtdt_t *gtdt)
{
	/* his value is optional if the system implements EL3 (Security
	   Extensions). If not provided, this field must be 0xFFFFFFFFFFFFFFFF. */
	gtdt->counter_block_address = UINT64_MAX;
	gtdt->secure_el1_interrupt = SEC_EL1_TIMER_GISV;
	gtdt->secure_el1_flags = RDN2_TIMER_FLAGS;
	gtdt->non_secure_el1_interrupt = NONSEC_EL1_TIMER_GSIV;
	gtdt->non_secure_el1_flags = RDN2_TIMER_FLAGS;
	gtdt->virtual_timer_interrupt = VIRTUAL_TIMER_GSIV;
	gtdt->virtual_timer_flags = RDN2_TIMER_FLAGS;
	gtdt->non_secure_el2_interrupt = NONSEC_EL2_TIMER_GSIV;
	gtdt->non_secure_el2_flags = RDN2_TIMER_FLAGS;
	/* his value is optional if the system implements EL3
	   (Security Extensions). If not provided, this field must be
	   0xFFFFFFFFFFFFFFF. */
	gtdt->counter_read_block_address = UINT64_MAX;
}

unsigned long acpi_soc_gtdt_add_timers(uint32_t *count, unsigned long current)
{
	struct acpi_gtdt_timer_entry timers[2];

	memset(timers, 0, sizeof(timers));
	(*count)++;
	timers[0].frame_number = 0;
	timers[0].base_address = RDN2_GT_FRAME1_CTL_BASE;
	timers[0].el0_base_address = UINT64_MAX;
	timers[0].timer_interrupt = RDN2_GT_FRAME1_GSIV;
	timers[0].timer_flags = 0;
	timers[0].virtual_timer_interrupt = 0;
	timers[0].virtual_timer_flags = 0;
	timers[0].common_flags = ACPI_GTDT_GT_ALWAYS_ON;


	(*count)++;
	timers[1].frame_number = 1;
	timers[1].base_address = RDN2_GT_FRAME0_CTL_BASE;
	timers[1].el0_base_address = UINT64_MAX;
	timers[1].timer_interrupt = RDN2_GT_FRAME0_GSIV;
	timers[1].timer_flags = 0;
	timers[1].virtual_timer_interrupt = 0;
	timers[1].virtual_timer_flags = 0;
	timers[1].common_flags = ACPI_GTDT_GT_ALWAYS_ON | ACPI_GTDT_GT_IS_SECURE_TIMER;

	current = acpi_gtdt_add_timer_block(current, RDN2_GT_CTL_BASE, timers, 2);

	(*count)++;
	current = acpi_gtdt_add_watchdog(current, RDN2_GWDT_REFRESH, RDN2_GWDT_CONTROL,
				      RDN2_GWDT_WS0_GSIV, 0);
	/* Secure */
	current = acpi_gtdt_add_watchdog(current, RDN2_GWDT_REFRESH, RDN2_GWDT_CONTROL,
				      RDN2_GWDT_WS1_GSIV, ACPI_GTDT_WATCHDOG_SECURE);

	return current;
}

static unsigned long acpi_soc_fill_iort_tcu4(acpi_iort_t *iort, unsigned long current)
{
	acpi_iort_node_t *its, *smmu_v3, *named_comp;
	u32 identifiers[] = {4};
	u32 its_reference, smmuv3_reference;

	current = acpi_iort_its_entry(current, iort, &its, 1, identifiers);
	its_reference = (unsigned long)its - (unsigned long)iort;

	current = acpi_iort_smmuv3_entry(current, iort, &smmu_v3, RDN2_SMMU_V3(4), ACPI_IORT_SMMU_V3_FLAGS);
	smmuv3_reference = (unsigned long)smmu_v3 - (unsigned long)iort;

	/* Individual maps here */
	current = acpi_iort_id_map_entry(current, smmu_v3, 0, 1, 0x80000, its_reference,
			       ACPI_IORT_ID_SINGLE_MAPPING);

	current = acpi_iort_id_map_entry(current, smmu_v3, 0x10000, 10, 0x10000, its_reference, 0);

	current = acpi_iort_id_map_entry(current, smmu_v3, 0x30000, 10, 0x30000, its_reference, 0);

	/* SMMUV3 entry length includes mapping */

	for (int n = 0 ; n < 2 ; n++) {
		/* DMA */
		char dma[32];
		snprintf(dma, sizeof(dma), "\\_SB_.DMA%d", n);

		current = acpi_iort_nc_entry(current, iort, &named_comp, 0, 0, 0x30, dma);

		for (int i = 0 ; i < 9 ; i++) {
			/* ID */
			current = acpi_iort_id_map_entry(current, named_comp, i, 1, 0x10000 + n * 0x20000 + i,
					       smmuv3_reference, ACPI_IORT_ID_SINGLE_MAPPING);
		}
	}


	return current;
}

static unsigned long acpi_soc_fill_iort_tcu(u32 i, u16 id_count, u32 *smmu_offset,
					    acpi_iort_t *iort, unsigned long current)
{

	acpi_iort_node_t *its, *smmu_v3;
	static u32 id_base = 0x30000;
	u32 its_reference;

	current = acpi_iort_its_entry(current, iort, &its, 1, &i);
	its_reference = (unsigned long)its - (unsigned long)iort;

	current = acpi_iort_smmuv3_entry(current, iort, &smmu_v3, RDN2_SMMU_V3(i), ACPI_IORT_SMMU_V3_FLAGS);

	*smmu_offset = (unsigned long)smmu_v3 - (unsigned long)iort;

	/* Individual maps here */
	current = acpi_iort_id_map_entry(current, smmu_v3, 0, 1, 0x80000, its_reference,
			       ACPI_IORT_ID_SINGLE_MAPPING);

	current = acpi_iort_id_map_entry(current, smmu_v3, id_base, id_count, id_base, its_reference, 0);
	id_base += id_count;

	/* SMMUV3 entry length includes mapping */

	return current;
}

unsigned long acpi_soc_fill_iort(acpi_iort_t *iort, unsigned long current)
{
	acpi_iort_node_t *root_comp;
	u32 smmu_offset[4];
	uint32_t id_count[] = {768, 256, 256, 256};

	for (int i = 0; i < 4; i++)
		current = acpi_soc_fill_iort_tcu(i, id_count[i], &smmu_offset[i], iort, current);

	current = acpi_soc_fill_iort_tcu4(iort, current);

	current = acpi_iort_rc_entry(current, iort, &root_comp, 0, ACPI_IORT_ATS_SUPPORTED, 0,
			   0x30, 0);

	u32 base = 0;
	for (int i = 0 ; i < 4 ; i++) {
		current = acpi_iort_id_map_entry(current, root_comp, base, id_count[i], 0x30000 + base,
				       smmu_offset[i], 0);
		base += id_count[i];
	}

	return current;
}