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Tom Rini83d290c2018-05-06 17:58:06 -04001// SPDX-License-Identifier: GPL-2.0+
Nishanth Menonbfaa2d92015-09-17 15:42:42 -05002/*
3 * (C) Copyright 2015
4 * Texas Instruments Incorporated - http://www.ti.com/
Nishanth Menonbfaa2d92015-09-17 15:42:42 -05005 */
6#include <common.h>
7#include <dm.h>
Fabien Dessenne7a7c4cb2019-05-31 15:11:33 +02008#include <elf.h>
Nishanth Menonbfaa2d92015-09-17 15:42:42 -05009#include <errno.h>
10#include <remoteproc.h>
Fabien Dessenne7a7c4cb2019-05-31 15:11:33 +020011#include <asm/io.h>
Nishanth Menonbfaa2d92015-09-17 15:42:42 -050012#include <dm/test.h>
13#include <test/ut.h>
14/**
15 * dm_test_remoteproc_base() - test the operations after initializations
16 * @uts: unit test state
17 *
18 * Return: 0 if test passed, else error
19 */
20static int dm_test_remoteproc_base(struct unit_test_state *uts)
21{
22 if (!rproc_is_initialized())
23 ut_assertok(rproc_init());
24
25 /* Ensure we are initialized */
26 ut_asserteq(true, rproc_is_initialized());
27
28
29 /* platform data device 1 */
30 ut_assertok(rproc_stop(0));
31 ut_assertok(rproc_reset(0));
32 /* -> invalid attempt tests */
33 ut_asserteq(-EINVAL, rproc_start(0));
34 ut_asserteq(-EINVAL, rproc_ping(0));
35 /* Valid tests */
36 ut_assertok(rproc_load(0, 1, 0));
37 ut_assertok(rproc_start(0));
38 ut_assertok(rproc_is_running(0));
39 ut_assertok(rproc_ping(0));
40 ut_assertok(rproc_reset(0));
41 ut_assertok(rproc_stop(0));
42
43 /* dt device device 1 */
44 ut_assertok(rproc_stop(1));
45 ut_assertok(rproc_reset(1));
46 ut_assertok(rproc_load(1, 1, 0));
47 ut_assertok(rproc_start(1));
48 ut_assertok(rproc_is_running(1));
49 ut_assertok(rproc_ping(1));
50 ut_assertok(rproc_reset(1));
51 ut_assertok(rproc_stop(1));
52
53 /* dt device device 2 */
54 ut_assertok(rproc_stop(0));
55 ut_assertok(rproc_reset(0));
56 /* -> invalid attempt tests */
57 ut_asserteq(-EINVAL, rproc_start(0));
58 ut_asserteq(-EINVAL, rproc_ping(0));
59 /* Valid tests */
60 ut_assertok(rproc_load(2, 1, 0));
61 ut_assertok(rproc_start(2));
62 ut_assertok(rproc_is_running(2));
63 ut_assertok(rproc_ping(2));
64 ut_assertok(rproc_reset(2));
65 ut_assertok(rproc_stop(2));
66
67 return 0;
68}
69DM_TEST(dm_test_remoteproc_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
Fabien Dessenne7a7c4cb2019-05-31 15:11:33 +020070
71#define DEVICE_TO_PHYSICAL_OFFSET 0x1000
72/**
73 * dm_test_remoteproc_elf() - test the ELF operations
74 * @uts: unit test state
75 *
76 * Return: 0 if test passed, else error
77 */
78static int dm_test_remoteproc_elf(struct unit_test_state *uts)
79{
80 u8 valid_elf32[] = {
81 /* @0x00 - ELF HEADER - */
82 /* ELF magic */
83 0x7f, 0x45, 0x4c, 0x46,
84 /* 32 Bits */
85 0x01,
86 /* Endianness */
87#ifdef __LITTLE_ENDIAN
88 0x01,
89#else
90 0x02,
91#endif
92 /* Version */
93 0x01,
94 /* Padding */
95 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
96 /* Type : executable */
97 0x02, 0x00,
98 /* Machine: ARM */
99 0x28, 0x00,
100 /* Version */
101 0x01, 0x00, 0x00, 0x00,
102 /* Entry */
103 0x00, 0x00, 0x00, 0x08,
104 /* phoff (program header offset @ 0x40)*/
105 0x40, 0x00, 0x00, 0x00,
Fabien Dessenneffcb8802019-10-30 14:38:28 +0100106 /* shoff (section header offset @ 0x90) */
107 0x90, 0x00, 0x00, 0x00,
Fabien Dessenne7a7c4cb2019-05-31 15:11:33 +0200108 /* flags */
109 0x00, 0x00, 0x00, 0x00,
110 /* ehsize (elf header size = 0x34) */
111 0x34, 0x00,
112 /* phentsize (program header size = 0x20) */
113 0x20, 0x00,
114 /* phnum (program header number : 1) */
115 0x01, 0x00,
Fabien Dessenneffcb8802019-10-30 14:38:28 +0100116 /* shentsize (section header size : 40 bytes) */
117 0x28, 0x00,
118 /* shnum (section header number: 3) */
119 0x02, 0x00,
120 /* shstrndx (section header name section index: 1) */
121 0x01, 0x00,
Fabien Dessenne7a7c4cb2019-05-31 15:11:33 +0200122 /* padding */
123 0x00, 0x00, 0x00, 0x00,
124 0x00, 0x00, 0x00, 0x00,
125 0x00, 0x00, 0x00, 0x00,
Fabien Dessenneffcb8802019-10-30 14:38:28 +0100126
Fabien Dessenne7a7c4cb2019-05-31 15:11:33 +0200127 /* @0x40 - PROGRAM HEADER TABLE - */
128 /* type : PT_LOAD */
129 0x01, 0x00, 0x00, 0x00,
130 /* offset */
131 0x00, 0x00, 0x00, 0x00,
132 /* vaddr */
133 0x00, 0x00, 0x00, 0x00,
134 /* paddr : physical address */
135 0x00, 0x00, 0x00, 0x00,
136 /* filesz : 0x20 bytes (program header size) */
137 0x20, 0x00, 0x00, 0x00,
138 /* memsz = filesz */
139 0x20, 0x00, 0x00, 0x00,
140 /* flags : readable and exectuable */
141 0x05, 0x00, 0x00, 0x00,
142 /* padding */
143 0x00, 0x00, 0x00, 0x00,
Fabien Dessenneffcb8802019-10-30 14:38:28 +0100144
145 /* @0x60 - RESOURCE TABLE SECTION - */
146 /* version */
147 0x01, 0x00, 0x00, 0x00,
148 /* num (0, no entries) */
149 0x00, 0x00, 0x00, 0x00,
150 /* Reserved */
151 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
152
153 /* @0x70 - SECTION'S NAMES SECTION - */
154 /* section 0 name (".shrtrtab") */
155 0x2e, 0x73, 0x68, 0x73, 0x74, 0x72, 0x74, 0x61, 0x62, 0x00,
156 /* section 1 name (".resource_table") */
157 0x2e, 0x72, 0x65, 0x73, 0x6f, 0x75, 0x72, 0x63, 0x65, 0x5f,
158 0x74, 0x61, 0x62, 0x6c, 0x65, 0x00,
159 /* padding */
160 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
161
162 /* @0x90 - SECTION HEADER TABLE - */
163 /* Section 0 : resource table header */
164 /* sh_name - index into section header string table section */
165 0x0a, 0x00, 0x00, 0x00,
166 /* sh_type and sh_flags */
167 0x01, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00,
168 /* sh_addr = where the resource table has to be copied to */
169 0x00, 0x00, 0x00, 0x00,
170 /* sh_offset = 0x60 */
171 0x60, 0x00, 0x00, 0x00,
172 /* sh_size = 16 bytes */
173 0x10, 0x00, 0x00, 0x00,
174 /* sh_link, sh_info, sh_addralign, sh_entsize */
175 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
176 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
177 /* Section 1 : section's names section header */
178 /* sh_name - index into section header string table section */
179 0x00, 0x00, 0x00, 0x00,
180 /* sh_type and sh_flags */
181 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
182 /* sh_addr */
183 0x00, 0x00, 0x00, 0x00,
184 /* sh_offset = 0x70 */
185 0x70, 0x00, 0x00, 0x00,
186 /* sh_size = 27 bytes */
187 0x1b, 0x00, 0x00, 0x00,
188 /* sh_link, sh_info, sh_addralign, sh_entsize */
189 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
190 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
Fabien Dessenne7a7c4cb2019-05-31 15:11:33 +0200191 };
192 unsigned int size = ARRAY_SIZE(valid_elf32);
193 struct udevice *dev;
Fabien Dessenneffcb8802019-10-30 14:38:28 +0100194 phys_addr_t loaded_firmware_paddr, loaded_rsc_table_paddr;
195 void *loaded_firmware, *loaded_rsc_table;
196 u32 loaded_firmware_size, rsc_table_size;
197 ulong rsc_addr, rsc_size;
Fabien Dessenne7a7c4cb2019-05-31 15:11:33 +0200198 Elf32_Ehdr *ehdr = (Elf32_Ehdr *)valid_elf32;
199 Elf32_Phdr *phdr = (Elf32_Phdr *)(valid_elf32 + ehdr->e_phoff);
Fabien Dessenneffcb8802019-10-30 14:38:28 +0100200 Elf32_Shdr *shdr = (Elf32_Shdr *)(valid_elf32 + ehdr->e_shoff);
Fabien Dessenne7a7c4cb2019-05-31 15:11:33 +0200201
202 ut_assertok(uclass_get_device(UCLASS_REMOTEPROC, 0, &dev));
203
204 /*
205 * In its Program Header Table, let the firmware specifies to be loaded
206 * at SDRAM_BASE *device* address (p_paddr field).
207 * Its size is defined by the p_filesz field.
208 */
209 phdr->p_paddr = CONFIG_SYS_SDRAM_BASE;
210 loaded_firmware_size = phdr->p_filesz;
211
212 /*
213 * This *device* address is converted to a *physical* address by the
214 * device_to_virt() operation of sandbox_test_rproc which returns
215 * DeviceAddress + DEVICE_TO_PHYSICAL_OFFSET.
216 * This is where we expect to get the firmware loaded.
217 */
218 loaded_firmware_paddr = phdr->p_paddr + DEVICE_TO_PHYSICAL_OFFSET;
219 loaded_firmware = map_physmem(loaded_firmware_paddr,
220 loaded_firmware_size, MAP_NOCACHE);
221 ut_assertnonnull(loaded_firmware);
222 memset(loaded_firmware, 0, loaded_firmware_size);
223
Fabien Dessenne7a7c4cb2019-05-31 15:11:33 +0200224 /* Load firmware in loaded_firmware, and verify it */
Lokesh Vutla14d963d2019-09-04 16:01:28 +0530225 ut_assertok(rproc_elf32_load_image(dev, (ulong)valid_elf32, size));
Simon Glassf91f3662020-05-10 12:52:45 -0600226 ut_asserteq_mem(loaded_firmware, valid_elf32, loaded_firmware_size);
Lokesh Vutla81e39fb2019-09-04 16:01:31 +0530227 ut_asserteq(rproc_elf_get_boot_addr(dev, (unsigned long)valid_elf32),
228 0x08000000);
Fabien Dessenne7a7c4cb2019-05-31 15:11:33 +0200229 unmap_physmem(loaded_firmware, MAP_NOCACHE);
230
Fabien Dessenneffcb8802019-10-30 14:38:28 +0100231 /* Resource table */
232 shdr->sh_addr = CONFIG_SYS_SDRAM_BASE;
233 rsc_table_size = shdr->sh_size;
234
235 loaded_rsc_table_paddr = shdr->sh_addr + DEVICE_TO_PHYSICAL_OFFSET;
236 loaded_rsc_table = map_physmem(loaded_rsc_table_paddr,
237 rsc_table_size, MAP_NOCACHE);
238 ut_assertnonnull(loaded_rsc_table);
239 memset(loaded_rsc_table, 0, rsc_table_size);
240
241 /* Load and verify */
242 ut_assertok(rproc_elf32_load_rsc_table(dev, (ulong)valid_elf32, size,
243 &rsc_addr, &rsc_size));
244 ut_asserteq(rsc_addr, CONFIG_SYS_SDRAM_BASE);
245 ut_asserteq(rsc_size, rsc_table_size);
Simon Glassf91f3662020-05-10 12:52:45 -0600246 ut_asserteq_mem(loaded_firmware, valid_elf32 + shdr->sh_offset,
247 shdr->sh_size);
Fabien Dessenneffcb8802019-10-30 14:38:28 +0100248 unmap_physmem(loaded_firmware, MAP_NOCACHE);
249
Fabien Dessenne7a7c4cb2019-05-31 15:11:33 +0200250 /* Invalid ELF Magic */
251 valid_elf32[0] = 0;
252 ut_asserteq(-EPROTONOSUPPORT,
253 rproc_elf32_sanity_check((ulong)valid_elf32, size));
254
255 return 0;
256}
257DM_TEST(dm_test_remoteproc_elf, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);