Stefan Reinauer | debb11f | 2008-10-29 04:46:52 +0000 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the coreboot project. |
| 3 | * |
Stefan Reinauer | 54309d6 | 2009-01-20 22:53:10 +0000 | [diff] [blame] | 4 | * Copyright (C) 2008-2009 coresystems GmbH |
Stefan Reinauer | debb11f | 2008-10-29 04:46:52 +0000 | [diff] [blame] | 5 | * |
Stefan Reinauer | a8e1168 | 2009-03-11 14:54:18 +0000 | [diff] [blame] | 6 | * This program is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU General Public License as |
| 8 | * published by the Free Software Foundation; version 2 of |
| 9 | * the License. |
Stefan Reinauer | debb11f | 2008-10-29 04:46:52 +0000 | [diff] [blame] | 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 19 | */ |
| 20 | |
| 21 | #include <console/console.h> |
| 22 | #include <device/device.h> |
| 23 | #include <device/pci.h> |
| 24 | #include <device/pci_ids.h> |
| 25 | #include "i82801gx.h" |
| 26 | |
| 27 | typedef struct southbridge_intel_i82801gx_config config_t; |
| 28 | |
| 29 | static void sata_init(struct device *dev) |
| 30 | { |
| 31 | u32 reg32; |
Stefan Reinauer | a8e1168 | 2009-03-11 14:54:18 +0000 | [diff] [blame] | 32 | u16 reg16; |
Stefan Reinauer | debb11f | 2008-10-29 04:46:52 +0000 | [diff] [blame] | 33 | /* Get the chip configuration */ |
| 34 | config_t *config = dev->chip_info; |
| 35 | |
| 36 | printk_debug("i82801gx_sata: initializing...\n"); |
Stefan Reinauer | a8e1168 | 2009-03-11 14:54:18 +0000 | [diff] [blame] | 37 | |
Stefan Reinauer | 573f7d4 | 2009-07-21 21:50:34 +0000 | [diff] [blame^] | 38 | if (config == NULL) { |
Stefan Reinauer | a8e1168 | 2009-03-11 14:54:18 +0000 | [diff] [blame] | 39 | printk_err("i82801gx_sata: error: device not in Config.lb!\n"); |
Stefan Reinauer | 573f7d4 | 2009-07-21 21:50:34 +0000 | [diff] [blame^] | 40 | return; |
| 41 | } |
Stefan Reinauer | a8e1168 | 2009-03-11 14:54:18 +0000 | [diff] [blame] | 42 | |
Stefan Reinauer | debb11f | 2008-10-29 04:46:52 +0000 | [diff] [blame] | 43 | /* SATA configuration */ |
| 44 | |
| 45 | /* Enable BARs */ |
Stefan Reinauer | a8e1168 | 2009-03-11 14:54:18 +0000 | [diff] [blame] | 46 | pci_write_config16(dev, PCI_COMMAND, 0x0007); |
Stefan Reinauer | debb11f | 2008-10-29 04:46:52 +0000 | [diff] [blame] | 47 | |
| 48 | if (config->ide_legacy_combined) { |
Stefan Reinauer | a8e1168 | 2009-03-11 14:54:18 +0000 | [diff] [blame] | 49 | printk_debug("SATA controller in combined mode.\n"); |
| 50 | /* No AHCI: clear AHCI base */ |
| 51 | pci_write_config32(dev, 0x24, 0x00000000); |
| 52 | /* And without AHCI BAR no memory decoding */ |
| 53 | reg16 = pci_read_config16(dev, PCI_COMMAND); |
| 54 | reg16 &= ~PCI_COMMAND_MEMORY; |
| 55 | pci_write_config16(dev, PCI_COMMAND, reg16); |
| 56 | |
Stefan Reinauer | debb11f | 2008-10-29 04:46:52 +0000 | [diff] [blame] | 57 | pci_write_config8(dev, 0x09, 0x80); |
| 58 | |
| 59 | /* Set timings */ |
Stefan Reinauer | 573f7d4 | 2009-07-21 21:50:34 +0000 | [diff] [blame^] | 60 | pci_write_config16(dev, IDE_TIM_PRI, IDE_DECODE_ENABLE | |
| 61 | IDE_ISP_5_CLOCKS | IDE_RCT_4_CLOCKS); |
| 62 | pci_write_config16(dev, IDE_TIM_SEC, IDE_DECODE_ENABLE | |
| 63 | IDE_ISP_3_CLOCKS | IDE_RCT_1_CLOCKS | |
| 64 | IDE_PPE0 | IDE_IE0 | IDE_TIME0); |
Stefan Reinauer | debb11f | 2008-10-29 04:46:52 +0000 | [diff] [blame] | 65 | |
| 66 | /* Sync DMA */ |
Stefan Reinauer | 573f7d4 | 2009-07-21 21:50:34 +0000 | [diff] [blame^] | 67 | pci_write_config16(dev, IDE_SDMA_CNT, IDE_SSDE0); |
| 68 | pci_write_config16(dev, IDE_SDMA_TIM, 0x0200); |
Stefan Reinauer | debb11f | 2008-10-29 04:46:52 +0000 | [diff] [blame] | 69 | |
Stefan Reinauer | a8e1168 | 2009-03-11 14:54:18 +0000 | [diff] [blame] | 70 | /* Set IDE I/O Configuration */ |
| 71 | reg32 = SIG_MODE_NORMAL | FAST_PCB1 | FAST_PCB0 | PCB1 | PCB0; |
| 72 | pci_write_config32(dev, IDE_CONFIG, reg32); |
| 73 | |
Stefan Reinauer | debb11f | 2008-10-29 04:46:52 +0000 | [diff] [blame] | 74 | /* Combine IDE - SATA configuration */ |
| 75 | pci_write_config8(dev, 0x90, 0x02); |
| 76 | |
| 77 | /* Port 0 & 1 enable */ |
| 78 | pci_write_config8(dev, 0x92, 0x0f); |
| 79 | |
| 80 | /* SATA Initialization register */ |
Stefan Reinauer | a8e1168 | 2009-03-11 14:54:18 +0000 | [diff] [blame] | 81 | pci_write_config32(dev, 0x94, 0x5a000180); |
Stefan Reinauer | debb11f | 2008-10-29 04:46:52 +0000 | [diff] [blame] | 82 | } else if(config->sata_ahci) { |
Stefan Reinauer | a8e1168 | 2009-03-11 14:54:18 +0000 | [diff] [blame] | 83 | printk_debug("SATA controller in AHCI mode.\n"); |
Stefan Reinauer | debb11f | 2008-10-29 04:46:52 +0000 | [diff] [blame] | 84 | /* Allow both Legacy and Native mode */ |
| 85 | pci_write_config8(dev, 0x09, 0x8f); |
| 86 | |
| 87 | /* Set Interrupt Line */ |
| 88 | /* Interrupt Pin is set by D31IP.PIP */ |
| 89 | pci_write_config8(dev, INTR_LN, 0x0a); |
| 90 | |
| 91 | /* Set timings */ |
Stefan Reinauer | 573f7d4 | 2009-07-21 21:50:34 +0000 | [diff] [blame^] | 92 | pci_write_config16(dev, IDE_TIM_PRI, IDE_DECODE_ENABLE | |
| 93 | IDE_ISP_3_CLOCKS | IDE_RCT_1_CLOCKS | |
| 94 | IDE_PPE0 | IDE_IE0 | IDE_TIME0); |
| 95 | pci_write_config16(dev, IDE_TIM_SEC, IDE_DECODE_ENABLE | |
| 96 | IDE_ISP_5_CLOCKS | IDE_RCT_4_CLOCKS); |
Stefan Reinauer | debb11f | 2008-10-29 04:46:52 +0000 | [diff] [blame] | 97 | |
| 98 | /* Sync DMA */ |
Stefan Reinauer | 573f7d4 | 2009-07-21 21:50:34 +0000 | [diff] [blame^] | 99 | pci_write_config16(dev, IDE_SDMA_CNT, IDE_PSDE0); |
| 100 | pci_write_config16(dev, IDE_SDMA_TIM, 0x0001); |
Stefan Reinauer | debb11f | 2008-10-29 04:46:52 +0000 | [diff] [blame] | 101 | |
| 102 | /* Set IDE I/O Configuration */ |
| 103 | reg32 = SIG_MODE_NORMAL | FAST_PCB1 | FAST_PCB0 | PCB1 | PCB0; |
| 104 | pci_write_config32(dev, IDE_CONFIG, reg32); |
| 105 | |
| 106 | /* Set Sata Controller Mode. */ |
| 107 | pci_write_config8(dev, 0x90, 0xc0); // WTF - Reserved? |
| 108 | |
| 109 | /* Port 0 & 1 enable */ |
| 110 | pci_write_config8(dev, 0x92, 0x0f); |
| 111 | |
| 112 | /* SATA Initialization register */ |
| 113 | pci_write_config32(dev, 0x94, 0x1a000180); |
| 114 | } else { |
Stefan Reinauer | a8e1168 | 2009-03-11 14:54:18 +0000 | [diff] [blame] | 115 | printk_debug("SATA controller in plain mode.\n"); |
| 116 | /* Set Sata Controller Mode. No Mapping(?) */ |
| 117 | pci_write_config8(dev, 0x90, 0x00); |
| 118 | |
| 119 | /* No AHCI: clear AHCI base */ |
| 120 | pci_write_config32(dev, 0x24, 0x00000000); |
| 121 | |
| 122 | /* And without AHCI BAR no memory decoding */ |
| 123 | reg16 = pci_read_config16(dev, PCI_COMMAND); |
| 124 | reg16 &= ~PCI_COMMAND_MEMORY; |
| 125 | pci_write_config16(dev, PCI_COMMAND, reg16); |
| 126 | |
Stefan Reinauer | debb11f | 2008-10-29 04:46:52 +0000 | [diff] [blame] | 127 | /* Native mode capable on both primary and secondary (0xa) |
| 128 | * or'ed with enabled (0x50) = 0xf |
| 129 | */ |
| 130 | pci_write_config8(dev, 0x09, 0x8f); |
| 131 | |
| 132 | /* Set Interrupt Line */ |
| 133 | /* Interrupt Pin is set by D31IP.PIP */ |
| 134 | pci_write_config8(dev, INTR_LN, 0xff); |
| 135 | |
| 136 | /* Set timings */ |
Stefan Reinauer | 573f7d4 | 2009-07-21 21:50:34 +0000 | [diff] [blame^] | 137 | pci_write_config16(dev, IDE_TIM_PRI, IDE_DECODE_ENABLE | |
| 138 | IDE_ISP_3_CLOCKS | IDE_RCT_1_CLOCKS | |
| 139 | IDE_PPE0 | IDE_IE0 | IDE_TIME0); |
| 140 | pci_write_config16(dev, IDE_TIM_SEC, IDE_DECODE_ENABLE | |
| 141 | IDE_SITRE | IDE_ISP_3_CLOCKS | |
| 142 | IDE_RCT_1_CLOCKS | IDE_IE0 | IDE_TIME0); |
Stefan Reinauer | debb11f | 2008-10-29 04:46:52 +0000 | [diff] [blame] | 143 | |
| 144 | /* Sync DMA */ |
Stefan Reinauer | 573f7d4 | 2009-07-21 21:50:34 +0000 | [diff] [blame^] | 145 | pci_write_config16(dev, IDE_SDMA_CNT, IDE_SSDE0 | IDE_PSDE0); |
| 146 | pci_write_config16(dev, IDE_SDMA_TIM, 0x0201); |
Stefan Reinauer | debb11f | 2008-10-29 04:46:52 +0000 | [diff] [blame] | 147 | |
| 148 | /* Set IDE I/O Configuration */ |
| 149 | reg32 = SIG_MODE_NORMAL | FAST_PCB1 | FAST_PCB0 | PCB1 | PCB0; |
| 150 | pci_write_config32(dev, IDE_CONFIG, reg32); |
| 151 | |
Stefan Reinauer | debb11f | 2008-10-29 04:46:52 +0000 | [diff] [blame] | 152 | /* Port 0 & 1 enable XXX */ |
| 153 | pci_write_config8(dev, 0x92, 0x15); |
| 154 | |
| 155 | /* SATA Initialization register */ |
| 156 | pci_write_config32(dev, 0x94, 0x1a000180); |
| 157 | } |
| 158 | |
| 159 | /* All configurations need this SATA initialization sequence */ |
| 160 | pci_write_config8(dev, 0xa0, 0x40); |
| 161 | pci_write_config8(dev, 0xa6, 0x22); |
| 162 | pci_write_config8(dev, 0xa0, 0x78); |
| 163 | pci_write_config8(dev, 0xa6, 0x22); |
| 164 | pci_write_config8(dev, 0xa0, 0x88); |
| 165 | reg32 = pci_read_config32(dev, 0xa4); |
| 166 | reg32 &= 0xc0c0c0c0; |
| 167 | reg32 |= 0x1b1b1212; |
| 168 | pci_write_config32(dev, 0xa4, reg32); |
| 169 | pci_write_config8(dev, 0xa0, 0x8c); |
| 170 | reg32 = pci_read_config32(dev, 0xa4); |
| 171 | reg32 &= 0xc0c0ff00; |
| 172 | reg32 |= 0x121200aa; |
| 173 | pci_write_config32(dev, 0xa4, reg32); |
| 174 | pci_write_config8(dev, 0xa0, 0x00); |
Stefan Reinauer | 54309d6 | 2009-01-20 22:53:10 +0000 | [diff] [blame] | 175 | |
| 176 | pci_write_config8(dev, PCI_INTERRUPT_LINE, 0); |
Stefan Reinauer | a8e1168 | 2009-03-11 14:54:18 +0000 | [diff] [blame] | 177 | |
| 178 | /* Sata Initialization Register */ |
| 179 | reg32 = pci_read_config32(dev, 0x94); |
| 180 | reg32 |= (1 << 30); // due to some bug |
| 181 | pci_write_config32(dev, 0x94, reg32); |
Stefan Reinauer | debb11f | 2008-10-29 04:46:52 +0000 | [diff] [blame] | 182 | } |
| 183 | |
Stefan Reinauer | a8e1168 | 2009-03-11 14:54:18 +0000 | [diff] [blame] | 184 | static void sata_set_subsystem(device_t dev, unsigned vendor, unsigned device) |
| 185 | { |
| 186 | if (!vendor || !device) { |
| 187 | pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID, |
| 188 | pci_read_config32(dev, PCI_VENDOR_ID)); |
| 189 | } else { |
| 190 | pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID, |
| 191 | ((device & 0xffff) << 16) | (vendor & 0xffff)); |
| 192 | } |
| 193 | } |
| 194 | |
| 195 | static struct pci_operations sata_pci_ops = { |
| 196 | .set_subsystem = sata_set_subsystem, |
| 197 | }; |
| 198 | |
Stefan Reinauer | debb11f | 2008-10-29 04:46:52 +0000 | [diff] [blame] | 199 | static struct device_operations sata_ops = { |
| 200 | .read_resources = pci_dev_read_resources, |
| 201 | .set_resources = pci_dev_set_resources, |
| 202 | .enable_resources = pci_dev_enable_resources, |
| 203 | .init = sata_init, |
| 204 | .scan_bus = 0, |
| 205 | .enable = i82801gx_enable, |
Stefan Reinauer | a8e1168 | 2009-03-11 14:54:18 +0000 | [diff] [blame] | 206 | .ops_pci = &sata_pci_ops, |
Stefan Reinauer | debb11f | 2008-10-29 04:46:52 +0000 | [diff] [blame] | 207 | }; |
| 208 | |
| 209 | /* Desktop Non-AHCI and Non-RAID Mode */ |
Uwe Hermann | bddc693 | 2008-10-29 13:51:31 +0000 | [diff] [blame] | 210 | /* 82801GB/GR/GDH (ICH7/ICH7R/ICH7DH) */ |
Stefan Reinauer | debb11f | 2008-10-29 04:46:52 +0000 | [diff] [blame] | 211 | static const struct pci_driver i82801gx_sata_normal_driver __pci_driver = { |
| 212 | .ops = &sata_ops, |
| 213 | .vendor = PCI_VENDOR_ID_INTEL, |
Uwe Hermann | 5d7a1c8 | 2008-10-31 18:41:09 +0000 | [diff] [blame] | 214 | .device = 0x27c0, |
Stefan Reinauer | debb11f | 2008-10-29 04:46:52 +0000 | [diff] [blame] | 215 | }; |
| 216 | |
Stefan Reinauer | a8e1168 | 2009-03-11 14:54:18 +0000 | [diff] [blame] | 217 | /* Mobile Non-AHCI and Non-RAID Mode */ |
| 218 | /* 82801GBM/GHM (ICH7-M/ICH7-M DH) */ |
| 219 | static const struct pci_driver i82801gx_sata_mobile_normal_driver __pci_driver = { |
| 220 | .ops = &sata_ops, |
| 221 | .vendor = PCI_VENDOR_ID_INTEL, |
| 222 | .device = 0x27c4, |
| 223 | }; |
| 224 | |
| 225 | |
Uwe Hermann | bddc693 | 2008-10-29 13:51:31 +0000 | [diff] [blame] | 226 | /* NOTE: Any of the below are not properly supported yet. */ |
Stefan Reinauer | debb11f | 2008-10-29 04:46:52 +0000 | [diff] [blame] | 227 | |
| 228 | /* Desktop AHCI Mode */ |
Uwe Hermann | bddc693 | 2008-10-29 13:51:31 +0000 | [diff] [blame] | 229 | /* 82801GB/GR/GDH (ICH7/ICH7R/ICH7DH) */ |
Stefan Reinauer | debb11f | 2008-10-29 04:46:52 +0000 | [diff] [blame] | 230 | static const struct pci_driver i82801gx_sata_ahci_driver __pci_driver = { |
| 231 | .ops = &sata_ops, |
| 232 | .vendor = PCI_VENDOR_ID_INTEL, |
Uwe Hermann | 5d7a1c8 | 2008-10-31 18:41:09 +0000 | [diff] [blame] | 233 | .device = 0x27c1, |
Stefan Reinauer | debb11f | 2008-10-29 04:46:52 +0000 | [diff] [blame] | 234 | }; |
| 235 | |
| 236 | /* Desktop RAID mode */ |
Uwe Hermann | bddc693 | 2008-10-29 13:51:31 +0000 | [diff] [blame] | 237 | /* 82801GB/GR/GDH (ICH7/ICH7R/ICH7DH) */ |
Stefan Reinauer | debb11f | 2008-10-29 04:46:52 +0000 | [diff] [blame] | 238 | static const struct pci_driver i82801gx_sata_raid_driver __pci_driver = { |
| 239 | .ops = &sata_ops, |
| 240 | .vendor = PCI_VENDOR_ID_INTEL, |
Uwe Hermann | 5d7a1c8 | 2008-10-31 18:41:09 +0000 | [diff] [blame] | 241 | .device = 0x27c3, |
Stefan Reinauer | debb11f | 2008-10-29 04:46:52 +0000 | [diff] [blame] | 242 | }; |
| 243 | |
Stefan Reinauer | debb11f | 2008-10-29 04:46:52 +0000 | [diff] [blame] | 244 | /* Mobile AHCI Mode */ |
Uwe Hermann | bddc693 | 2008-10-29 13:51:31 +0000 | [diff] [blame] | 245 | /* 82801GBM/GHM (ICH7-M/ICH7-M DH) */ |
Stefan Reinauer | debb11f | 2008-10-29 04:46:52 +0000 | [diff] [blame] | 246 | static const struct pci_driver i82801gx_sata_mobile_ahci_driver __pci_driver = { |
| 247 | .ops = &sata_ops, |
| 248 | .vendor = PCI_VENDOR_ID_INTEL, |
Uwe Hermann | 5d7a1c8 | 2008-10-31 18:41:09 +0000 | [diff] [blame] | 249 | .device = 0x27c5, |
Stefan Reinauer | debb11f | 2008-10-29 04:46:52 +0000 | [diff] [blame] | 250 | }; |
| 251 | |
| 252 | /* ICH7M DH Raid Mode */ |
Uwe Hermann | bddc693 | 2008-10-29 13:51:31 +0000 | [diff] [blame] | 253 | /* 82801GHM (ICH7-M DH) */ |
Stefan Reinauer | debb11f | 2008-10-29 04:46:52 +0000 | [diff] [blame] | 254 | static const struct pci_driver i82801gx_sata_ich7dh_raid_driver __pci_driver = { |
| 255 | .ops = &sata_ops, |
| 256 | .vendor = PCI_VENDOR_ID_INTEL, |
Uwe Hermann | 5d7a1c8 | 2008-10-31 18:41:09 +0000 | [diff] [blame] | 257 | .device = 0x27c6, |
Stefan Reinauer | debb11f | 2008-10-29 04:46:52 +0000 | [diff] [blame] | 258 | }; |