2 * This file is part of the coreboot project.
4 * Copyright (C) 2010 Advanced Micro Devices, Inc.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; version 2 of the License.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 #include <console/console.h>
21 #include <device/device.h>
23 #include <device/pci.h>
24 #include <device/pci_ids.h>
25 #include <device/pci_ops.h>
29 int sata_drive_detect(int portnum, u16 iobar)
33 outb(0xA0 + 0x10 * (portnum % 2), iobar + 0x6);
34 while (byte = inb(iobar + 0x6), byte2 = inb(iobar + 0x7),
35 (byte != (0xA0 + 0x10 * (portnum % 2))) ||
36 ((byte2 & 0x88) != 0)) {
37 printk_spew("0x6=%x, 0x7=%x\n", byte, byte2);
38 if (byte != (0xA0 + 0x10 * (portnum % 2))) {
39 /* This will happen at the first iteration of this loop
40 * if the first SATA port is unpopulated and the
41 * second SATA port is poulated.
43 printk_debug("drive no longer selected after %i ms, "
44 "retrying init\n", i * 10);
47 printk_spew("drive detection not yet completed, "
52 printk_spew("drive detection done after %i ms\n", i * 10);
56 static void sata_init(struct device *dev)
63 u16 sata_bar0, sata_bar1, sata_bar2, sata_bar3, sata_bar4;
66 struct southbridge_ati_sb700_config *conf;
67 conf = dev->chip_info;
70 /* SATA SMBus Disable */
71 /* sm_dev = pci_locate_device(PCI_ID(0x1002, 0x4385), 0); */
72 sm_dev = dev_find_slot(0, PCI_DEVFN(0x14, 0));
73 /* Disable SATA SMBUS */
74 byte = pci_read_config8(sm_dev, 0xad);
76 /* Enable SATA and power saving */
77 byte = pci_read_config8(sm_dev, 0xad);
80 pci_write_config8(sm_dev, 0xad, byte);
82 /* RPR 7.2 SATA Initialization */
83 /* Set the interrupt Mapping to INTG# */
84 byte = pci_read_config8(sm_dev, 0xaf);
86 pci_write_config8(sm_dev, 0xaf, byte);
89 rev_id = pci_read_config8(sm_dev, 0x08) - 0x28;
91 /* get base addresss */
92 sata_bar5 = (u8 *) (pci_read_config32(dev, 0x24) & ~0x3FF);
93 sata_bar0 = pci_read_config16(dev, 0x10) & ~0x7;
94 sata_bar1 = pci_read_config16(dev, 0x14) & ~0x3;
95 sata_bar2 = pci_read_config16(dev, 0x18) & ~0x7;
96 sata_bar3 = pci_read_config16(dev, 0x1C) & ~0x3;
97 sata_bar4 = pci_read_config16(dev, 0x20) & ~0xf;
99 printk_spew("sata_bar0=%x\n", sata_bar0); /* 3030 */
100 printk_spew("sata_bar1=%x\n", sata_bar1); /* 3070 */
101 printk_spew("sata_bar2=%x\n", sata_bar2); /* 3040 */
102 printk_spew("sata_bar3=%x\n", sata_bar3); /* 3080 */
103 printk_spew("sata_bar4=%x\n", sata_bar4); /* 3000 */
104 printk_spew("sata_bar5=%p\n", sata_bar5); /* e0309000 */
106 /* disable combined mode */
107 byte = pci_read_config8(sm_dev, 0xAD);
109 pci_write_config8(sm_dev, 0xAD, byte);
110 /* Program the 2C to 0x43801002 */
112 pci_write_config32(dev, 0x2c, dword);
115 word = pci_read_config16(dev, 0x04);
117 pci_write_config16(dev, 0x04, word);
119 /* Dynamic power saving */
120 byte = pci_read_config8(dev, 0x40);
122 pci_write_config8(dev, 0x40, byte);
124 /* Set SATA Operation Mode, Set to IDE mode */
125 byte = pci_read_config8(dev, 0x40);
128 pci_write_config8(dev, 0x40, byte);
131 pci_write_config32(dev, 0x8, dword);
133 byte = pci_read_config8(dev, 0x40);
135 pci_write_config8(dev, 0x40, byte);
137 /* Enable the SATA watchdog counter */
138 byte = pci_read_config8(dev, 0x44);
140 pci_write_config8(dev, 0x44, byte);
142 /* Set bit 29 and 24 for A12 */
143 dword = pci_read_config32(dev, 0x40);
144 if (rev_id < 0x14) /* before A12 */
147 dword &= ~(1 << 29); /* A14 and above */
148 pci_write_config32(dev, 0x40, dword);
150 /* set bit 21 for A12 */
151 dword = pci_read_config32(dev, 0x48);
152 if (rev_id < 0x14) /* before A12 */
153 dword |= 1 << 24 | 1 << 21;
155 dword &= ~(1 << 24 | 1 << 21); /* A14 and above */
156 dword &= ~0xFF80; /* 15:7 */
157 dword |= 1 << 15 | 0x7F << 7;
159 pci_write_config32(dev, 0x48, dword);
161 /* Program the watchdog counter to 0x10 */
163 pci_write_config8(dev, 0x46, byte);
165 /* RPR7.6.1 Program the PHY Global Control to 0x2C00 */
167 pci_write_config16(dev, 0x86, word);
169 /* RPR7.6.2 SATA GENI PHY ports setting */
170 pci_write_config32(dev, 0x88, 0x01B48017);
171 pci_write_config32(dev, 0x8c, 0x01B48019);
172 pci_write_config32(dev, 0x90, 0x01B48016);
173 pci_write_config32(dev, 0x94, 0x01B48016);
174 pci_write_config32(dev, 0x98, 0x01B48016);
175 pci_write_config32(dev, 0x9C, 0x01B48016);
177 /* RPR7.6.3 SATA GEN II PHY port setting for port [0~5]. */
178 pci_write_config16(dev, 0xA0, 0xA09A);
179 pci_write_config16(dev, 0xA2, 0xA09F);
180 pci_write_config16(dev, 0xA4, 0xA07A);
181 pci_write_config16(dev, 0xA6, 0xA07A);
182 pci_write_config16(dev, 0xA8, 0xA07A);
183 pci_write_config16(dev, 0xAA, 0xA07A);
185 /* Enable the I/O, MM, BusMaster access for SATA */
186 byte = pci_read_config8(dev, 0x4);
188 pci_write_config8(dev, 0x4, byte);
190 /* RPR7.7 SATA drive detection. */
191 /* Use BAR5+0x128,BAR0 for Primary Slave */
192 /* Use BAR5+0x1A8,BAR0 for Primary Slave */
193 /* Use BAR5+0x228,BAR2 for Secondary Master */
194 /* Use BAR5+0x2A8,BAR2 for Secondary Slave */
195 /* Use BAR5+0x328,PATA_BAR0/2 for Primary/Secondary master emulation */
196 /* Use BAR5+0x3A8,PATA_BAR0/2 for Primary/Secondary Slave emulation */
198 /* TODO: port 4,5, which are PATA emulations. What are PATA_BARs? */
200 for (i = 0; i < 4; i++) {
201 byte = read8(sata_bar5 + 0x128 + 0x80 * i);
202 printk_spew("SATA port %i status = %x\n", i, byte);
205 /* If the drive status is 0x1 then we see it but we aren't talking to it. */
206 /* Try to do something about it. */
207 printk_spew("SATA device detected but not talking. Trying lower speed.\n");
209 /* Read in Port-N Serial ATA Control Register */
210 byte = read8(sata_bar5 + 0x12C + 0x80 * i);
212 /* Set Reset Bit and 1.5g bit */
214 write8((sata_bar5 + 0x12C + 0x80 * i), byte);
219 /* Clear Reset Bit */
221 write8((sata_bar5 + 0x12C + 0x80 * i), byte);
227 byte = read8(sata_bar5 + 0x128 + 0x80 * i);
228 printk_spew("SATA port %i status = %x\n", i, byte);
233 for (j = 0; j < 10; j++) {
234 if (!sata_drive_detect(i, ((i / 2) == 0) ? sata_bar0 : sata_bar2))
237 printk_debug("%s %s device is %sready after %i tries\n",
238 (i / 2) ? "Secondary" : "Primary",
239 (i % 2 ) ? "Slave" : "Master",
240 (j == 10) ? "not " : "",
241 (j == 10) ? j : j + 1);
243 printk_debug("No %s %s SATA drive on Slot%i\n",
244 (i / 2) ? "Secondary" : "Primary",
245 (i % 2 ) ? "Slave" : "Master", i);
249 /* Below is CIM InitSataLateFar */
250 /* Enable interrupts from the HBA */
251 byte = read8(sata_bar5 + 0x4);
253 write8((sata_bar5 + 0x4), byte);
255 /* Clear error status */
256 write32((sata_bar5 + 0x130), 0xFFFFFFFF);
257 write32((sata_bar5 + 0x1b0), 0xFFFFFFFF);
258 write32((sata_bar5 + 0x230), 0xFFFFFFFF);
259 write32((sata_bar5 + 0x2b0), 0xFFFFFFFF);
260 write32((sata_bar5 + 0x330), 0xFFFFFFFF);
261 write32((sata_bar5 + 0x3b0), 0xFFFFFFFF);
263 /* Clear SATA status,Firstly we get the AcpiGpe0BlkAddr */
264 /* ????? why CIM does not set the AcpiGpe0BlkAddr , but use it??? */
267 /* word = pm_ioread(0x28); */
268 /* byte = pm_ioread(0x29); */
269 /* word |= byte<<8; */
270 /* printk_debug("AcpiGpe0Blk addr = %x\n", word); */
271 /* write32(word, 0x80000000); */
274 static struct pci_operations lops_pci = {
275 /* .set_subsystem = pci_dev_set_subsystem, */
278 static struct device_operations sata_ops = {
279 .read_resources = pci_dev_read_resources,
280 .set_resources = pci_dev_set_resources,
281 .enable_resources = pci_dev_enable_resources,
284 .ops_pci = &lops_pci,
287 static const struct pci_driver sata0_driver __pci_driver = {
289 .vendor = PCI_VENDOR_ID_ATI,
290 .device = PCI_DEVICE_ID_ATI_SB700_SATA,