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gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / 5fe76d460d857b00d582d7cd6cea9ac740ea912b / . / test / boot / vbe_simple.c
blob: 2f6979cafcf09adcba08b10962c1b156ee7aa0aa [file] [log] [blame]
Simon Glass5fe76d42022-07-30 15:52:37 -0600[diff] [blame^]1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * Test for vbe-simple bootmeth. All start with 'vbe_simple'
4 *
5 * Copyright 2023 Google LLC
6 * Written by Simon Glass <sjg@chromium.org>
7 */
8
9#include <common.h>
10#include <bootmeth.h>
11#include <dm.h>
12#include <image.h>
13#include <memalign.h>
14#include <mmc.h>
15#include <of_live.h>
16#include <vbe.h>
17#include <version_string.h>
18#include <linux/log2.h>
19#include <test/suites.h>
20#include <test/ut.h>
21#include <u-boot/crc.h>
22#include "bootstd_common.h"
23
24#define NVDATA_START_BLK ((0x400 + 0x400) / MMC_MAX_BLOCK_LEN)
25#define VERSION_START_BLK ((0x400 + 0x800) / MMC_MAX_BLOCK_LEN)
26#define TEST_VERSION "U-Boot v2022.04-local2"
27#define TEST_VERNUM 0x00010002
28
29/* Basic test of reading nvdata and updating a fwupd node in the device tree */
30static int vbe_simple_test_base(struct unit_test_state *uts)
31{
32 ALLOC_CACHE_ALIGN_BUFFER(u8, buf, MMC_MAX_BLOCK_LEN);
33 const char *version, *bl_version;
34 struct event_ft_fixup fixup;
35 struct udevice *dev, *mmc;
36 struct device_node *np;
37 struct blk_desc *desc;
38 char fdt_buf[0x400];
39 char info[100];
40 int node_ofs;
41 ofnode node;
42 u32 vernum;
43
44 /* Set up the version string */
45 ut_assertok(uclass_get_device(UCLASS_MMC, 1, &mmc));
46 desc = blk_get_by_device(mmc);
47 ut_assertnonnull(desc);
48
49 memset(buf, '\0', MMC_MAX_BLOCK_LEN);
50 strcpy(buf, TEST_VERSION);
51 if (blk_dwrite(desc, VERSION_START_BLK, 1, buf) != 1)
52 return log_msg_ret("write", -EIO);
53
54 /* Set up the nvdata */
55 memset(buf, '\0', MMC_MAX_BLOCK_LEN);
56 buf[1] = ilog2(0x40) << 4 | 1;
57 *(u32 *)(buf + 4) = TEST_VERNUM;
58 buf[0] = crc8(0, buf + 1, 0x3f);
59 if (blk_dwrite(desc, NVDATA_START_BLK, 1, buf) != 1)
60 return log_msg_ret("write", -EIO);
61
62 /* Read the version back */
63 ut_assertok(vbe_find_by_any("firmware0", &dev));
64 ut_assertok(bootmeth_get_state_desc(dev, info, sizeof(info)));
65 ut_asserteq_str("Version: " TEST_VERSION "\nVernum: 1/2", info);
66
67 ut_assertok(fdt_create_empty_tree(fdt_buf, sizeof(fdt_buf)));
68 node_ofs = fdt_add_subnode(fdt_buf, 0, "chosen");
69 ut_assert(node_ofs > 0);
70
71 node_ofs = fdt_add_subnode(fdt_buf, node_ofs, "fwupd");
72 ut_assert(node_ofs > 0);
73
74 node_ofs = fdt_add_subnode(fdt_buf, node_ofs, "firmware0");
75 ut_assert(node_ofs > 0);
76
77 /*
78 * This can only work on the live tree, since the ofnode interface for
79 * flat tree assumes that ofnode points to the control FDT
80 */
81 ut_assertok(unflatten_device_tree(fdt_buf, &np));
82
83 /*
84 * It would be better to call image_setup_libfdt() here, but that
85 * function does not allow passing an ofnode. We can pass fdt_buf but
86 * when it comes to send the evenr, it creates an ofnode that uses the
87 * control FDT, since it has no way of accessing the live tree created
88 * here.
89 *
90 * Two fix this we need:
91 * - image_setup_libfdt() is updated to use ofnode
92 * - ofnode updated to support access to an FDT other than the control
93 * FDT. This is partially implemented with live tree, but not with
94 * flat tree
95 */
96 fixup.tree.np = np;
97 ut_assertok(event_notify(EVT_FT_FIXUP, &fixup, sizeof(fixup)));
98
99 node = ofnode_path_root(fixup.tree, "/chosen/fwupd/firmware0");
100
101 version = ofnode_read_string(node, "cur-version");
102 ut_assertnonnull(version);
103 ut_asserteq_str(TEST_VERSION, version);
104
105 ut_assertok(ofnode_read_u32(node, "cur-vernum", &vernum));
106 ut_asserteq(TEST_VERNUM, vernum);
107
108 bl_version = ofnode_read_string(node, "bootloader-version");
109 ut_assertnonnull(bl_version);
110 ut_asserteq_str(version_string, bl_version);
111
112 return 0;
113}
114BOOTSTD_TEST(vbe_simple_test_base, UT_TESTF_DM | UT_TESTF_SCAN_FDT |
115 UT_TESTF_LIVE_TREE);