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
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
|
/* SPDX-License-Identifier: GPL-2.0-only */
/* This file is part of the coreboot project. */
#include <device/pci_ops.h>
#include <assert.h>
#include <cbmem.h>
#include <commonlib/cbmem_id.h>
#include <commonlib/sdhci.h>
#include <commonlib/storage.h>
#include <console/console.h>
#include <lib.h>
#include <soc/iomap.h>
#include <soc/pci_devs.h>
#include <soc/storage_test.h>
#include <timer.h>
#include <string.h>
#if CONFIG(STORAGE_LOG)
struct log_entry log[LOG_ENTRIES];
uint8_t log_index;
int log_full;
long log_start_time;
#endif
static uint8_t drivers_storage[256];
#define STORAGE_DEBUG BIOS_DEBUG
#define LOG_DEBUG (CONFIG(STORAGE_LOG) ? STORAGE_DEBUG : BIOS_NEVER)
#ifdef __SIMPLE_DEVICE__
uint32_t storage_test_init(pci_devfn_t dev, uint32_t *previous_bar,
uint16_t *previous_command)
#else
uint32_t storage_test_init(struct device *dev, uint32_t *previous_bar,
uint16_t *previous_command)
#endif
{
uint32_t bar;
/* Display the vendor/device IDs */
printk(LOG_DEBUG, "Vendor ID: 0x%04x, Device ID: 0x%04x\n",
pci_read_config16(dev, PCI_VENDOR_ID),
pci_read_config16(dev, PCI_DEVICE_ID));
/* Set the temporary base address */
bar = pci_read_config32(dev, PCI_BASE_ADDRESS_0);
*previous_bar = bar;
bar &= ~PCI_BASE_ADDRESS_MEM_ATTR_MASK;
if (!bar) {
bar = SD_BASE_ADDRESS;
pci_write_config32(dev, PCI_BASE_ADDRESS_0, bar);
}
/* Enable the SD/MMC controller */
*previous_command = pci_read_config16(dev, PCI_COMMAND);
pci_write_config16(dev, PCI_COMMAND, *previous_command
| PCI_COMMAND_MEMORY);
/* Return the controller address */
return bar;
}
#ifdef __SIMPLE_DEVICE__
void storage_test_complete(pci_devfn_t dev, uint32_t previous_bar,
uint16_t previous_command)
#else
void storage_test_complete(struct device *dev, uint32_t previous_bar,
uint16_t previous_command)
#endif
{
pci_write_config16(dev, PCI_COMMAND, previous_command);
pci_write_config32(dev, PCI_BASE_ADDRESS_0, previous_bar);
}
#if !ENV_BOOTBLOCK
static void display_log(void)
{
/* Determine the array bounds */
if (CONFIG(STORAGE_LOG)) {
long delta;
uint8_t end;
uint8_t index;
uint8_t start;
end = log_index;
start = log_full ? log_index : 0;
for (index = start; (log_full || (index != end)); index++) {
log_full = 0;
delta = log[index].time.microseconds - log_start_time;
printk(BIOS_DEBUG, "%3ld.%03ld mSec, cmd: %2d 0x%08x%s",
delta / 1000, delta % 1000,
log[index].cmd.cmdidx,
log[index].cmd.cmdarg,
log[index].cmd_issued ? "" : "(not issued)");
if (log[index].response_entries == 1)
printk(BIOS_DEBUG, ", rsp: 0x%08x",
log[index].response[0]);
else if (log[index].response_entries == 4)
printk(BIOS_DEBUG,
", rsp: 0x%08x.%08x.%08x.%08x",
log[index].response[3],
log[index].response[2],
log[index].response[1],
log[index].response[0]);
printk(BIOS_DEBUG, ", ret: %d\n", log[index].ret);
}
}
}
void sdhc_log_command(struct mmc_command *cmd)
{
if (CONFIG(STORAGE_LOG)) {
timer_monotonic_get(&log[log_index].time);
log[log_index].cmd = *cmd;
log[log_index].cmd_issued = 0;
log[log_index].response_entries = 0;
if ((log_index == 0) && (!log_full))
log_start_time = log[0].time.microseconds;
}
}
void sdhc_log_command_issued(void)
{
if (CONFIG(STORAGE_LOG)) {
log[log_index].cmd_issued = 1;
}
}
void sdhc_log_response(uint32_t entries, uint32_t *response)
{
unsigned int entry;
if (CONFIG(STORAGE_LOG)) {
log[log_index].response_entries = entries;
for (entry = 0; entry < entries; entry++)
log[log_index].response[entry] = response[entry];
}
}
void sdhc_log_ret(int ret)
{
if (CONFIG(STORAGE_LOG)) {
log[log_index].ret = ret;
if (++log_index == 0)
log_full = 1;
}
}
void storage_test(uint32_t bar, int full_initialization)
{
uint64_t blocks_read;
uint8_t buffer[512];
int err;
struct storage_media *media;
const char *name;
unsigned int partition;
unsigned int previous_partition;
struct sdhci_ctrlr *sdhci_ctrlr;
ASSERT(sizeof(struct sdhci_ctrlr) <= sizeof(drivers_storage));
/* Get the structure addresses */
media = NULL;
if (ENV_ROMSTAGE)
media = (struct storage_media *)drivers_storage;
else
media = cbmem_find(CBMEM_ID_STORAGE_DATA);
sdhci_ctrlr = (void *)(((uintptr_t)(media + 1) + 0x7) & ~7);
media->ctrlr = (struct sd_mmc_ctrlr *)sdhci_ctrlr;
sdhci_ctrlr->ioaddr = (void *)bar;
/* Initialize the controller */
if (!full_initialization) {
/* Perform fast initialization */
sdhci_update_pointers(sdhci_ctrlr);
sdhci_display_setup(sdhci_ctrlr);
storage_display_setup(media);
} else {
/* Initialize the log */
if (CONFIG(STORAGE_LOG)) {
log_index = 0;
log_full = 0;
}
printk(LOG_DEBUG, "Initializing the SD/MMC controller\n");
err = sdhci_controller_init(sdhci_ctrlr, (void *)bar);
if (err) {
display_log();
printk(BIOS_ERR,
"ERROR - Controller failed to initialize, err = %d\n",
err);
return;
}
/* Initialize the SD/MMC/eMMC card or device */
printk(LOG_DEBUG, "Initializing the device\n");
err = storage_setup_media(media, &sdhci_ctrlr->sd_mmc_ctrlr);
if (err) {
display_log();
printk(BIOS_ERR,
"ERROR: Device failed to initialize, err = %d\n",
err);
return;
}
display_log();
}
/* Save the current partition */
previous_partition = storage_get_current_partition(media);
/* Read block 0 from each partition */
for (partition = 0; partition < ARRAY_SIZE(media->capacity);
partition++) {
if (media->capacity[partition] == 0)
continue;
name = storage_partition_name(media, partition);
printk(STORAGE_DEBUG, "%s%sReading block 0\n", name,
name[0] ? ": " : "");
err = storage_set_partition(media, partition);
if (err)
continue;
blocks_read = storage_block_read(media, 0, 1, &buffer);
if (blocks_read)
hexdump(buffer, sizeof(buffer));
}
/* Restore the previous partition */
storage_set_partition(media, previous_partition);
}
#endif
#if ENV_ROMSTAGE
static void copy_storage_structures(int is_recovery)
{
struct storage_media *media;
struct sdhci_ctrlr *sdhci_ctrlr;
size_t size = sizeof(drivers_storage);
/* Locate the data structures in CBMEM */
media = cbmem_add(CBMEM_ID_STORAGE_DATA, size);
ASSERT(media != NULL);
sdhci_ctrlr = (void *)(((uintptr_t)(media + 1) + 0x7) & ~7);
/* Migrate the data into CBMEM */
memcpy(media, drivers_storage, size);
media->ctrlr = &sdhci_ctrlr->sd_mmc_ctrlr;
}
ROMSTAGE_CBMEM_INIT_HOOK(copy_storage_structures);
#endif
|
