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
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
|
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2010 Advanced Micro Devices, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <console/console.h>
#include <device/device.h>
#include <delay.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <device/pci_ops.h>
#include <arch/io.h>
#include "sb700.h"
static int sata_drive_detect(int portnum, u16 iobar)
{
u8 byte, byte2;
int i = 0;
outb(0xA0 + 0x10 * (portnum % 2), iobar + 0x6);
while (byte = inb(iobar + 0x6), byte2 = inb(iobar + 0x7),
(byte != (0xA0 + 0x10 * (portnum % 2))) ||
((byte2 & 0x88) != 0)) {
printk(BIOS_SPEW, "0x6=%x, 0x7=%x\n", byte, byte2);
if (byte != (0xA0 + 0x10 * (portnum % 2))) {
/* This will happen at the first iteration of this loop
* if the first SATA port is unpopulated and the
* second SATA port is populated.
*/
printk(BIOS_DEBUG, "drive no longer selected after %i ms, "
"retrying init\n", i * 10);
return 1;
} else
printk(BIOS_SPEW, "drive detection not yet completed, "
"waiting...\n");
mdelay(10);
i++;
}
printk(BIOS_SPEW, "drive detection done after %i ms\n", i * 10);
return 0;
}
/* This function can be overloaded in mainboard.c */
void __attribute__((weak)) sb7xx_51xx_setup_sata_phys(struct device *dev)
{
/* RPR7.6.1 Program the PHY Global Control to 0x2C00 */
pci_write_config16(dev, 0x86, 0x2c00);
/* RPR7.6.2 SATA GENI PHY ports setting */
pci_write_config32(dev, 0x88, 0x01B48017);
pci_write_config32(dev, 0x8c, 0x01B48019);
pci_write_config32(dev, 0x90, 0x01B48016);
pci_write_config32(dev, 0x94, 0x01B48016);
pci_write_config32(dev, 0x98, 0x01B48016);
pci_write_config32(dev, 0x9C, 0x01B48016);
/* RPR7.6.3 SATA GEN II PHY port setting for port [0~5]. */
pci_write_config16(dev, 0xA0, 0xA09A);
pci_write_config16(dev, 0xA2, 0xA09F);
pci_write_config16(dev, 0xA4, 0xA07A);
pci_write_config16(dev, 0xA6, 0xA07A);
pci_write_config16(dev, 0xA8, 0xA07A);
pci_write_config16(dev, 0xAA, 0xA07A);
}
static void sata_init(struct device *dev)
{
u8 byte;
u16 word;
u32 dword;
u8 rev_id;
u32 sata_bar5;
u16 sata_bar0, sata_bar1, sata_bar2, sata_bar3, sata_bar4;
int i, j;
device_t sm_dev;
/* SATA SMBus Disable */
sm_dev = dev_find_slot(0, PCI_DEVFN(0x14, 0));
byte = pci_read_config8(sm_dev, 0xad);
/* Disable SATA SMBUS */
byte |= (1 << 0);
/* Enable SATA and power saving */
byte |= (1 << 1);
byte |= (1 << 5);
pci_write_config8(sm_dev, 0xad, byte);
/* RPR 7.2 SATA Initialization */
/* Set the interrupt Mapping to INTG# */
byte = pci_read_config8(sm_dev, 0xaf);
byte = 0x6 << 2;
pci_write_config8(sm_dev, 0xaf, byte);
/* get rev_id */
rev_id = pci_read_config8(sm_dev, 0x08) - 0x28;
/* get base address */
sata_bar5 = pci_read_config32(dev, 0x24) & ~0x3FF;
sata_bar0 = pci_read_config16(dev, 0x10) & ~0x7;
sata_bar1 = pci_read_config16(dev, 0x14) & ~0x3;
sata_bar2 = pci_read_config16(dev, 0x18) & ~0x7;
sata_bar3 = pci_read_config16(dev, 0x1C) & ~0x3;
sata_bar4 = pci_read_config16(dev, 0x20) & ~0xf;
printk(BIOS_SPEW, "sata_bar0=%x\n", sata_bar0); /* 3030 */
printk(BIOS_SPEW, "sata_bar1=%x\n", sata_bar1); /* 3070 */
printk(BIOS_SPEW, "sata_bar2=%x\n", sata_bar2); /* 3040 */
printk(BIOS_SPEW, "sata_bar3=%x\n", sata_bar3); /* 3080 */
printk(BIOS_SPEW, "sata_bar4=%x\n", sata_bar4); /* 3000 */
printk(BIOS_SPEW, "sata_bar5=%x\n", sata_bar5); /* e0309000 */
/* disable combined mode */
byte = pci_read_config8(sm_dev, 0xAD);
byte &= ~(1 << 3);
pci_write_config8(sm_dev, 0xAD, byte);
/* Program the 2C to 0x43801002 */
dword = 0x43801002;
pci_write_config32(dev, 0x2c, dword);
/* SERR-Enable */
word = pci_read_config16(dev, 0x04);
word |= (1 << 8);
pci_write_config16(dev, 0x04, word);
/* Dynamic power saving */
byte = pci_read_config8(dev, 0x40);
byte |= (1 << 2);
pci_write_config8(dev, 0x40, byte);
/* Set SATA Operation Mode, Set to IDE mode */
byte = pci_read_config8(dev, 0x40);
byte |= (1 << 0);
byte |= (1 << 4);
pci_write_config8(dev, 0x40, byte);
dword = 0x01018f00;
pci_write_config32(dev, 0x8, dword);
byte = pci_read_config8(dev, 0x40);
byte &= ~(1 << 0);
pci_write_config8(dev, 0x40, byte);
/* Enable the SATA watchdog counter */
byte = pci_read_config8(dev, 0x44);
byte |= (1 << 0);
pci_write_config8(dev, 0x44, byte);
/* Set bit 29 and 24 for A12 */
dword = pci_read_config32(dev, 0x40);
if (rev_id < 0x14) /* before A12 */
dword |= (1 << 29);
else
dword &= ~(1 << 29); /* A14 and above */
pci_write_config32(dev, 0x40, dword);
/* set bit 21 for A12 */
dword = pci_read_config32(dev, 0x48);
if (rev_id < 0x14) /* before A12 */
dword |= 1 << 24 | 1 << 21;
else {
dword &= ~(1 << 24 | 1 << 21); /* A14 and above */
dword &= ~0xFF80; /* 15:7 */
dword |= 1 << 15 | 0x7F << 7;
}
pci_write_config32(dev, 0x48, dword);
/* Program the watchdog counter to 0x10 */
byte = 0x10;
pci_write_config8(dev, 0x46, byte);
sb7xx_51xx_setup_sata_phys(dev);
/* Enable the I/O, MM, BusMaster access for SATA */
byte = pci_read_config8(dev, 0x4);
byte |= 7 << 0;
pci_write_config8(dev, 0x4, byte);
#if CONFIG_SOUTHBRIDGE_AMD_SUBTYPE_SP5100
/* Master Latency Timer */
pci_write_config32(dev, 0xC, 0x00004000);
#endif
/* RPR7.7 SATA drive detection. */
/* Use BAR5+0x128,BAR0 for Primary Slave */
/* Use BAR5+0x1A8,BAR0 for Primary Slave */
/* Use BAR5+0x228,BAR2 for Secondary Master */
/* Use BAR5+0x2A8,BAR2 for Secondary Slave */
/* Use BAR5+0x328,PATA_BAR0/2 for Primary/Secondary master emulation */
/* Use BAR5+0x3A8,PATA_BAR0/2 for Primary/Secondary Slave emulation */
/* TODO: port 4,5, which are PATA emulations. What are PATA_BARs? */
for (i = 0; i < 4; i++) {
byte = read8(sata_bar5 + 0x128 + 0x80 * i);
printk(BIOS_SPEW, "SATA port %i status = %x\n", i, byte);
byte &= 0xF;
if( byte == 0x1 ) {
/* If the drive status is 0x1 then we see it but we aren't talking to it. */
/* Try to do something about it. */
printk(BIOS_SPEW, "SATA device detected but not talking. Trying lower speed.\n");
/* Read in Port-N Serial ATA Control Register */
byte = read8(sata_bar5 + 0x12C + 0x80 * i);
/* Set Reset Bit and 1.5g bit */
byte |= 0x11;
write8((sata_bar5 + 0x12C + 0x80 * i), byte);
/* Wait 1ms */
mdelay(1);
/* Clear Reset Bit */
byte &= ~0x01;
write8((sata_bar5 + 0x12C + 0x80 * i), byte);
/* Wait 1ms */
mdelay(1);
/* Reread status */
byte = read8(sata_bar5 + 0x128 + 0x80 * i);
printk(BIOS_SPEW, "SATA port %i status = %x\n", i, byte);
byte &= 0xF;
}
if (byte == 0x3) {
for (j = 0; j < 10; j++) {
if (!sata_drive_detect(i, ((i / 2) == 0) ? sata_bar0 : sata_bar2))
break;
}
printk(BIOS_DEBUG, "%s %s device is %sready after %i tries\n",
(i / 2) ? "Secondary" : "Primary",
(i % 2 ) ? "Slave" : "Master",
(j == 10) ? "not " : "",
(j == 10) ? j : j + 1);
} else {
printk(BIOS_DEBUG, "No %s %s SATA drive on Slot%i\n",
(i / 2) ? "Secondary" : "Primary",
(i % 2 ) ? "Slave" : "Master", i);
}
}
/* Below is CIM InitSataLateFar */
/* Enable interrupts from the HBA */
byte = read8(sata_bar5 + 0x4);
byte |= 1 << 1;
write8((sata_bar5 + 0x4), byte);
/* Clear error status */
write32((sata_bar5 + 0x130), 0xFFFFFFFF);
write32((sata_bar5 + 0x1b0), 0xFFFFFFFF);
write32((sata_bar5 + 0x230), 0xFFFFFFFF);
write32((sata_bar5 + 0x2b0), 0xFFFFFFFF);
write32((sata_bar5 + 0x330), 0xFFFFFFFF);
write32((sata_bar5 + 0x3b0), 0xFFFFFFFF);
/* Clear SATA status,Firstly we get the AcpiGpe0BlkAddr */
/* ????? why CIM does not set the AcpiGpe0BlkAddr , but use it??? */
/* word = 0x0000; */
/* word = pm_ioread(0x28); */
/* byte = pm_ioread(0x29); */
/* word |= byte<<8; */
/* printk(BIOS_DEBUG, "AcpiGpe0Blk addr = %x\n", word); */
/* write32(word, 0x80000000); */
}
static struct pci_operations lops_pci = {
.set_subsystem = pci_dev_set_subsystem,
};
static struct device_operations sata_ops = {
.read_resources = pci_dev_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
.init = sata_init,
.scan_bus = 0,
.ops_pci = &lops_pci,
};
static const struct pci_driver sata0_driver __pci_driver = {
.ops = &sata_ops,
.vendor = PCI_VENDOR_ID_ATI,
.device = PCI_DEVICE_ID_ATI_SB700_SATA,
};
|
