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
208
209
210
|
/*
* Copyright 2016 NXP Semiconductor, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <malloc.h>
#include <config.h>
#include <errno.h>
#include <asm/system.h>
#include <asm/types.h>
#include <asm/arch/soc.h>
#ifdef CONFIG_FSL_LSCH3
#include <asm/arch/immap_lsch3.h>
#elif defined(CONFIG_FSL_LSCH2)
#include <asm/arch/immap_lsch2.h>
#endif
#ifdef CONFIG_ARMV8_SEC_FIRMWARE_SUPPORT
#include <asm/armv8/sec_firmware.h>
#endif
#ifdef CONFIG_CHAIN_OF_TRUST
#include <fsl_validate.h>
#endif
#ifdef CONFIG_SYS_LS_PPA_FW_IN_NAND
#include <nand.h>
#elif defined(CONFIG_SYS_LS_PPA_FW_IN_MMC)
#include <mmc.h>
#endif
DECLARE_GLOBAL_DATA_PTR;
int ppa_init(void)
{
void *ppa_fit_addr;
u32 *boot_loc_ptr_l, *boot_loc_ptr_h;
int ret;
#ifdef CONFIG_CHAIN_OF_TRUST
uintptr_t ppa_esbc_hdr = CONFIG_SYS_LS_PPA_ESBC_ADDR;
uintptr_t ppa_img_addr = 0;
#endif
#ifdef CONFIG_SYS_LS_PPA_FW_IN_XIP
ppa_fit_addr = (void *)CONFIG_SYS_LS_PPA_FW_ADDR;
debug("%s: PPA image load from XIP\n", __func__);
#else /* !CONFIG_SYS_LS_PPA_FW_IN_XIP */
size_t fw_length, fdt_header_len = sizeof(struct fdt_header);
/* Copy PPA image from MMC/SD/NAND to allocated memory */
#ifdef CONFIG_SYS_LS_PPA_FW_IN_MMC
struct mmc *mmc;
int dev = CONFIG_SYS_MMC_ENV_DEV;
struct fdt_header *fitp;
u32 cnt;
u32 blk = CONFIG_SYS_LS_PPA_FW_ADDR / 512;
debug("%s: PPA image load from eMMC/SD\n", __func__);
ret = mmc_initialize(gd->bd);
if (ret) {
printf("%s: mmc_initialize() failed\n", __func__);
return ret;
}
mmc = find_mmc_device(dev);
if (!mmc) {
printf("PPA: MMC cannot find device for PPA firmware\n");
return -ENODEV;
}
ret = mmc_init(mmc);
if (ret) {
printf("%s: mmc_init() failed\n", __func__);
return ret;
}
fitp = malloc(roundup(fdt_header_len, 512));
if (!fitp) {
printf("PPA: malloc failed for FIT header(size 0x%zx)\n",
roundup(fdt_header_len, 512));
return -ENOMEM;
}
cnt = DIV_ROUND_UP(fdt_header_len, 512);
debug("%s: MMC read PPA FIT header: dev # %u, block # %u, count %u\n",
__func__, dev, blk, cnt);
ret = mmc->block_dev.block_read(&mmc->block_dev, blk, cnt, fitp);
if (ret != cnt) {
free(fitp);
printf("MMC/SD read of PPA FIT header at offset 0x%x failed\n",
CONFIG_SYS_LS_PPA_FW_ADDR);
return -EIO;
}
/* flush cache after read */
flush_cache((ulong)fitp, cnt * 512);
ret = fdt_check_header(fitp);
if (ret) {
free(fitp);
printf("%s: fdt_check_header() failed\n", __func__);
return ret;
}
fw_length = fdt_totalsize(fitp);
free(fitp);
fw_length = roundup(fw_length, 512);
ppa_fit_addr = malloc(fw_length);
if (!ppa_fit_addr) {
printf("PPA: malloc failed for PPA image(size 0x%zx)\n",
fw_length);
return -ENOMEM;
}
cnt = DIV_ROUND_UP(fw_length, 512);
debug("%s: MMC read PPA FIT image: dev # %u, block # %u, count %u\n",
__func__, dev, blk, cnt);
ret = mmc->block_dev.block_read(&mmc->block_dev,
blk, cnt, ppa_fit_addr);
if (ret != cnt) {
free(ppa_fit_addr);
printf("MMC/SD read of PPA FIT header at offset 0x%x failed\n",
CONFIG_SYS_LS_PPA_FW_ADDR);
return -EIO;
}
/* flush cache after read */
flush_cache((ulong)ppa_fit_addr, cnt * 512);
#elif defined(CONFIG_SYS_LS_PPA_FW_IN_NAND)
struct fdt_header fit;
debug("%s: PPA image load from NAND\n", __func__);
nand_init();
ret = nand_read(nand_info[0], (loff_t)CONFIG_SYS_LS_PPA_FW_ADDR,
&fdt_header_len, (u_char *)&fit);
if (ret == -EUCLEAN) {
printf("NAND read of PPA FIT header at offset 0x%x failed\n",
CONFIG_SYS_LS_PPA_FW_ADDR);
return -EIO;
}
ret = fdt_check_header(&fit);
if (ret) {
printf("%s: fdt_check_header() failed\n", __func__);
return ret;
}
fw_length = fdt_totalsize(&fit);
ppa_fit_addr = malloc(fw_length);
if (!ppa_fit_addr) {
printf("PPA: malloc failed for PPA image(size 0x%zx)\n",
fw_length);
return -ENOMEM;
}
ret = nand_read(nand_info[0], (loff_t)CONFIG_SYS_LS_PPA_FW_ADDR,
&fw_length, (u_char *)ppa_fit_addr);
if (ret == -EUCLEAN) {
free(ppa_fit_addr);
printf("NAND read of PPA firmware at offset 0x%x failed\n",
CONFIG_SYS_LS_PPA_FW_ADDR);
return -EIO;
}
/* flush cache after read */
flush_cache((ulong)ppa_fit_addr, fw_length);
#else
#error "No CONFIG_SYS_LS_PPA_FW_IN_xxx defined"
#endif
#endif
#ifdef CONFIG_CHAIN_OF_TRUST
ppa_img_addr = (uintptr_t)ppa_fit_addr;
if (fsl_check_boot_mode_secure() != 0) {
ret = fsl_secboot_validate(ppa_esbc_hdr,
CONFIG_PPA_KEY_HASH,
&ppa_img_addr);
if (ret != 0)
printf("PPA validation failed\n");
else
printf("PPA validation Successful\n");
}
#endif
#ifdef CONFIG_FSL_LSCH3
struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
boot_loc_ptr_l = &gur->bootlocptrl;
boot_loc_ptr_h = &gur->bootlocptrh;
#elif defined(CONFIG_FSL_LSCH2)
struct ccsr_scfg __iomem *scfg = (void *)(CONFIG_SYS_FSL_SCFG_ADDR);
boot_loc_ptr_l = &scfg->scratchrw[1];
boot_loc_ptr_h = &scfg->scratchrw[0];
#endif
debug("fsl-ppa: boot_loc_ptr_l = 0x%p, boot_loc_ptr_h =0x%p\n",
boot_loc_ptr_l, boot_loc_ptr_h);
ret = sec_firmware_init(ppa_fit_addr, boot_loc_ptr_l, boot_loc_ptr_h);
#if defined(CONFIG_SYS_LS_PPA_FW_IN_MMC) || \
defined(CONFIG_SYS_LS_PPA_FW_IN_NAND)
free(ppa_fit_addr);
#endif
return ret;
}
|
