Thomas Jourdan | 1a692d8 | 2009-07-01 17:01:17 +0000 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the coreboot project. |
| 3 | * |
| 4 | * Copyright (C) 2007-2008 coresystems GmbH |
| 5 | * Copyright (C) 2009 Thomas Jourdan <thomas.jourdan@gmail.com> |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU General Public License as |
| 9 | * published by the Free Software Foundation; version 2 of |
| 10 | * the License. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, |
| 20 | * MA 02110-1301 USA |
| 21 | */ |
| 22 | |
| 23 | |
| 24 | #include <console/console.h> |
| 25 | #include <arch/io.h> |
Uwe Hermann | 74d1a6e | 2010-10-12 17:34:08 +0000 | [diff] [blame^] | 26 | #include <arch/ioapic.h> |
Thomas Jourdan | 1a692d8 | 2009-07-01 17:01:17 +0000 | [diff] [blame] | 27 | #include <arch/smp/mpspec.h> |
| 28 | #include <device/pci.h> |
| 29 | #include <string.h> |
| 30 | #include <stdint.h> |
| 31 | |
| 32 | // Generate MP-table IRQ numbers for PCI devices. |
| 33 | #define IO_APIC0 2 |
| 34 | |
| 35 | #define INT_A 0 |
| 36 | #define INT_B 1 |
| 37 | #define INT_C 2 |
| 38 | #define INT_D 3 |
| 39 | #define PCI_IRQ(dev, intLine) (((dev)<<2) | intLine) |
| 40 | |
| 41 | #define PIRQ_A 16 |
| 42 | #define PIRQ_B 17 |
| 43 | #define PIRQ_C 18 |
| 44 | #define PIRQ_D 19 |
| 45 | #define PIRQ_E 20 |
| 46 | #define PIRQ_F 21 |
| 47 | #define PIRQ_G 22 |
| 48 | #define PIRQ_H 23 |
| 49 | |
| 50 | // RCBA |
| 51 | #define RCBA 0xF0 |
| 52 | |
| 53 | #define RCBA_D31IP 0x3100 |
| 54 | #define RCBA_D30IP 0x3104 |
| 55 | #define RCBA_D29IP 0x3108 |
| 56 | #define RCBA_D28IP 0x310C |
| 57 | #define RCBA_D31IR 0x3140 |
| 58 | #define RCBA_D30IR 0x3142 |
| 59 | #define RCBA_D29IR 0x3144 |
| 60 | #define RCBA_D28IR 0x3146 |
| 61 | |
Myles Watson | 08e0fb8 | 2010-03-22 16:33:25 +0000 | [diff] [blame] | 62 | static void *smp_write_config_table(void *v) |
Thomas Jourdan | 1a692d8 | 2009-07-01 17:01:17 +0000 | [diff] [blame] | 63 | { |
| 64 | static const char sig[4] = "PCMP"; |
Stefan Reinauer | d653211 | 2010-04-16 00:31:44 +0000 | [diff] [blame] | 65 | static const char oem[8] = "COREBOOT"; |
Thomas Jourdan | 1a692d8 | 2009-07-01 17:01:17 +0000 | [diff] [blame] | 66 | static const char productid[12] = "EagleHeights"; |
| 67 | struct mp_config_table *mc; |
| 68 | unsigned char bus_num, bus_chipset, bus_isa, bus_pci; |
| 69 | unsigned char bus_pcie_a, bus_pcie_a1, bus_pcie_b; |
| 70 | int i; |
| 71 | uint32_t pin, route; |
| 72 | device_t dev; |
| 73 | struct resource *res; |
| 74 | unsigned long rcba; |
| 75 | |
| 76 | dev = dev_find_slot(0, PCI_DEVFN(0x1F,0)); |
| 77 | res = find_resource(dev, RCBA); |
| 78 | if (!res) { |
Stefan Reinauer | c02c34e | 2010-04-07 02:30:57 +0000 | [diff] [blame] | 79 | return NULL; |
Thomas Jourdan | 1a692d8 | 2009-07-01 17:01:17 +0000 | [diff] [blame] | 80 | } |
| 81 | rcba = res->base; |
| 82 | |
| 83 | mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN); |
| 84 | memset(mc, 0, sizeof(*mc)); |
| 85 | |
| 86 | memcpy(mc->mpc_signature, sig, sizeof(sig)); |
| 87 | mc->mpc_length = sizeof(*mc); /* initially just the header */ |
| 88 | mc->mpc_spec = 0x04; |
| 89 | mc->mpc_checksum = 0; /* not yet computed */ |
| 90 | memcpy(mc->mpc_oem, oem, sizeof(oem)); |
| 91 | memcpy(mc->mpc_productid, productid, sizeof(productid)); |
| 92 | mc->mpc_oemptr = 0; |
| 93 | mc->mpc_oemsize = 0; |
| 94 | mc->mpc_entry_count = 0; /* No entries yet... */ |
| 95 | mc->mpc_lapic = LAPIC_ADDR; |
| 96 | mc->mpe_length = 0; |
| 97 | mc->mpe_checksum = 0; |
| 98 | mc->reserved = 0; |
| 99 | |
| 100 | smp_write_processors(mc); |
| 101 | |
| 102 | /* Get bus numbers */ |
| 103 | bus_chipset = 0; |
| 104 | |
| 105 | /* PCI */ |
| 106 | dev = dev_find_slot(0, PCI_DEVFN(0x1E,0)); |
| 107 | if (dev) { |
| 108 | bus_pci = pci_read_config8(dev, PCI_SECONDARY_BUS); |
| 109 | bus_isa = pci_read_config8(dev, PCI_SUBORDINATE_BUS); |
| 110 | bus_isa++; |
| 111 | } else { |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 112 | printk(BIOS_DEBUG, "ERROR - could not find PCI 0:1e.0, using defaults\n"); |
Thomas Jourdan | 1a692d8 | 2009-07-01 17:01:17 +0000 | [diff] [blame] | 113 | bus_pci = 6; |
| 114 | bus_isa = 7; |
| 115 | } |
| 116 | |
| 117 | dev = dev_find_slot(0, PCI_DEVFN(2,0)); |
| 118 | if(dev) { |
| 119 | bus_pcie_a = pci_read_config8(dev, PCI_SECONDARY_BUS); |
| 120 | } else { |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 121 | printk(BIOS_DEBUG, "ERROR - could not find PCIe Port A 0:2.0, using defaults\n"); |
Thomas Jourdan | 1a692d8 | 2009-07-01 17:01:17 +0000 | [diff] [blame] | 122 | bus_pcie_a = 1; |
| 123 | } |
| 124 | |
| 125 | dev = dev_find_slot(0, PCI_DEVFN(3,0)); |
| 126 | if(dev) { |
| 127 | bus_pcie_a1 = pci_read_config8(dev, PCI_SECONDARY_BUS); |
| 128 | } else { |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 129 | printk(BIOS_DEBUG, "ERROR - could not find PCIe Port B 0:3.0, using defaults\n"); |
Thomas Jourdan | 1a692d8 | 2009-07-01 17:01:17 +0000 | [diff] [blame] | 130 | bus_pcie_a1 = 2; |
| 131 | } |
| 132 | |
| 133 | dev = dev_find_slot(0, PCI_DEVFN(0x1C,0)); |
| 134 | if(dev) { |
| 135 | bus_pcie_b = pci_read_config8(dev, PCI_SECONDARY_BUS); |
| 136 | } else { |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 137 | printk(BIOS_DEBUG, "ERROR - could not find PCIe Port B 0:3.0, using defaults\n"); |
Thomas Jourdan | 1a692d8 | 2009-07-01 17:01:17 +0000 | [diff] [blame] | 138 | bus_pcie_b = 3; |
| 139 | } |
| 140 | |
| 141 | /*Bus: Bus ID Type*/ |
| 142 | for(bus_num = 0; bus_num < bus_isa; bus_num++) { |
| 143 | smp_write_bus(mc, bus_num, "PCI "); |
| 144 | } |
| 145 | smp_write_bus(mc, bus_isa, "ISA "); |
| 146 | |
| 147 | /*I/O APICs: APIC ID Version State Address*/ |
Uwe Hermann | 74d1a6e | 2010-10-12 17:34:08 +0000 | [diff] [blame^] | 148 | smp_write_ioapic(mc, 2, 0x20, IO_APIC_ADDR); |
Thomas Jourdan | 1a692d8 | 2009-07-01 17:01:17 +0000 | [diff] [blame] | 149 | /* |
| 150 | { |
| 151 | device_t dev; |
| 152 | struct resource *res; |
| 153 | dev = dev_find_slot(1, PCI_DEVFN(0x1e,0)); |
| 154 | if (dev) { |
| 155 | res = find_resource(dev, PCI_BASE_ADDRESS_0); |
| 156 | if (res) { |
| 157 | smp_write_ioapic(mc, 3, 0x20, res->base); |
| 158 | } |
| 159 | } |
| 160 | dev = dev_find_slot(1, PCI_DEVFN(0x1c,0)); |
| 161 | if (dev) { |
| 162 | res = find_resource(dev, PCI_BASE_ADDRESS_0); |
| 163 | if (res) { |
| 164 | smp_write_ioapic(mc, 4, 0x20, res->base); |
| 165 | } |
| 166 | } |
| 167 | dev = dev_find_slot(4, PCI_DEVFN(0x1e,0)); |
| 168 | if (dev) { |
| 169 | res = find_resource(dev, PCI_BASE_ADDRESS_0); |
| 170 | if (res) { |
| 171 | smp_write_ioapic(mc, 5, 0x20, res->base); |
| 172 | } |
| 173 | } |
| 174 | dev = dev_find_slot(4, PCI_DEVFN(0x1c,0)); |
| 175 | if (dev) { |
| 176 | res = find_resource(dev, PCI_BASE_ADDRESS_0); |
| 177 | if (res) { |
| 178 | smp_write_ioapic(mc, 8, 0x20, res->base); |
| 179 | } |
| 180 | } |
| 181 | } |
| 182 | */ |
Patrick Georgi | c5b87c8 | 2010-05-20 15:28:19 +0000 | [diff] [blame] | 183 | mptable_add_isa_interrupts(mc, bus_isa, IO_APIC0, 0); |
Thomas Jourdan | 1a692d8 | 2009-07-01 17:01:17 +0000 | [diff] [blame] | 184 | |
| 185 | /*Local Ints: Type Polarity Trigger Bus ID IRQ APIC ID PIN#*/ |
| 186 | smp_write_intsrc(mc, mp_ExtINT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_isa, 0, MP_APIC_ALL, 0); |
| 187 | smp_write_intsrc(mc, mp_NMI, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_isa, 0, MP_APIC_ALL, 1); |
| 188 | |
| 189 | /* Internal PCI device for i3100 */ |
| 190 | |
| 191 | /* EDMA |
| 192 | */ |
| 193 | smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_chipset, PCI_IRQ(1, INT_A), IO_APIC0, PIRQ_A); |
| 194 | |
| 195 | /* PCIe Port A |
| 196 | */ |
| 197 | smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_chipset, PCI_IRQ(2, INT_A), IO_APIC0, PIRQ_A); |
| 198 | |
| 199 | /* PCIe Port A1 |
| 200 | */ |
| 201 | smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_chipset, PCI_IRQ(3, INT_A), IO_APIC0, PIRQ_A); |
| 202 | |
| 203 | /* PCIe Port B |
| 204 | */ |
| 205 | for(i = 0; i < 4; i++) { |
Stefan Reinauer | 9fe4d79 | 2010-01-16 17:53:38 +0000 | [diff] [blame] | 206 | pin = (read32(rcba + RCBA_D28IP) >> (i * 4)) & 0x0F; |
Thomas Jourdan | 1a692d8 | 2009-07-01 17:01:17 +0000 | [diff] [blame] | 207 | if(pin > 0) { |
| 208 | pin -= 1; |
Stefan Reinauer | 9fe4d79 | 2010-01-16 17:53:38 +0000 | [diff] [blame] | 209 | route = PIRQ_A + ((read16(rcba + RCBA_D28IR) >> (pin * 4)) & 0x07); |
Thomas Jourdan | 1a692d8 | 2009-07-01 17:01:17 +0000 | [diff] [blame] | 210 | smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_chipset, PCI_IRQ(28, pin), IO_APIC0, route); |
| 211 | } |
| 212 | } |
| 213 | |
| 214 | /* USB 1.1 : device 29, function 0, 1 |
| 215 | */ |
| 216 | for(i = 0; i < 2; i++) { |
Stefan Reinauer | 9fe4d79 | 2010-01-16 17:53:38 +0000 | [diff] [blame] | 217 | pin = (read32(rcba + RCBA_D29IP) >> (i * 4)) & 0x0F; |
Thomas Jourdan | 1a692d8 | 2009-07-01 17:01:17 +0000 | [diff] [blame] | 218 | if(pin > 0) { |
| 219 | pin -= 1; |
Stefan Reinauer | 9fe4d79 | 2010-01-16 17:53:38 +0000 | [diff] [blame] | 220 | route = PIRQ_A + ((read16(rcba + RCBA_D29IR) >> (pin * 4)) & 0x07); |
Thomas Jourdan | 1a692d8 | 2009-07-01 17:01:17 +0000 | [diff] [blame] | 221 | smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_chipset, PCI_IRQ(29, pin), IO_APIC0, route); |
| 222 | } |
| 223 | } |
| 224 | |
| 225 | /* USB 2.0 : device 29, function 7 |
| 226 | */ |
Stefan Reinauer | 9fe4d79 | 2010-01-16 17:53:38 +0000 | [diff] [blame] | 227 | pin = (read32(rcba + RCBA_D29IP) >> (7 * 4)) & 0x0F; |
Thomas Jourdan | 1a692d8 | 2009-07-01 17:01:17 +0000 | [diff] [blame] | 228 | if(pin > 0) { |
| 229 | pin -= 1; |
Stefan Reinauer | 9fe4d79 | 2010-01-16 17:53:38 +0000 | [diff] [blame] | 230 | route = PIRQ_A + ((read16(rcba + RCBA_D29IR) >> (pin * 4)) & 0x07); |
Thomas Jourdan | 1a692d8 | 2009-07-01 17:01:17 +0000 | [diff] [blame] | 231 | smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_chipset, PCI_IRQ(29, pin), IO_APIC0, route); |
| 232 | } |
| 233 | |
| 234 | /* SATA : device 31 function 2 |
| 235 | SMBus : device 31 function 3 |
| 236 | Performance counters : device 31 function 4 |
| 237 | */ |
| 238 | for(i = 2; i < 5; i++) { |
Stefan Reinauer | 9fe4d79 | 2010-01-16 17:53:38 +0000 | [diff] [blame] | 239 | pin = (read32(rcba + RCBA_D31IP) >> (i * 4)) & 0x0F; |
Thomas Jourdan | 1a692d8 | 2009-07-01 17:01:17 +0000 | [diff] [blame] | 240 | if(pin > 0) { |
| 241 | pin -= 1; |
Stefan Reinauer | 9fe4d79 | 2010-01-16 17:53:38 +0000 | [diff] [blame] | 242 | route = PIRQ_A + ((read16(rcba + RCBA_D31IR) >> (pin * 4)) & 0x07); |
Thomas Jourdan | 1a692d8 | 2009-07-01 17:01:17 +0000 | [diff] [blame] | 243 | smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_chipset, PCI_IRQ(31, pin), IO_APIC0, route); |
| 244 | } |
| 245 | } |
| 246 | |
| 247 | /* SLOTS */ |
| 248 | |
| 249 | /* PCIe 4x slot A |
| 250 | */ |
| 251 | smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_pcie_a, PCI_IRQ(0, INT_A), IO_APIC0, PIRQ_A); |
| 252 | smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_pcie_a, PCI_IRQ(0, INT_B), IO_APIC0, PIRQ_B); |
| 253 | smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_pcie_a, PCI_IRQ(0, INT_C), IO_APIC0, PIRQ_C); |
| 254 | smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_pcie_a, PCI_IRQ(0, INT_D), IO_APIC0, PIRQ_D); |
| 255 | |
| 256 | /* PCIe 4x slot A1 |
| 257 | */ |
| 258 | smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_pcie_a1, PCI_IRQ(0, INT_A), IO_APIC0, PIRQ_A); |
| 259 | smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_pcie_a1, PCI_IRQ(0, INT_B), IO_APIC0, PIRQ_B); |
| 260 | smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_pcie_a1, PCI_IRQ(0, INT_C), IO_APIC0, PIRQ_C); |
| 261 | smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_pcie_a1, PCI_IRQ(0, INT_D), IO_APIC0, PIRQ_D); |
| 262 | |
| 263 | /* PCIe 4x slot B |
| 264 | */ |
| 265 | smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_pcie_b, PCI_IRQ(0, INT_A), IO_APIC0, PIRQ_A); |
| 266 | smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_pcie_b, PCI_IRQ(0, INT_B), IO_APIC0, PIRQ_B); |
| 267 | smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_pcie_b, PCI_IRQ(0, INT_C), IO_APIC0, PIRQ_C); |
| 268 | smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_pcie_b, PCI_IRQ(0, INT_D), IO_APIC0, PIRQ_D); |
| 269 | |
| 270 | /* PCI slot |
| 271 | */ |
| 272 | smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_pci, PCI_IRQ(0, INT_A), IO_APIC0, PIRQ_A); |
| 273 | smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_pci, PCI_IRQ(0, INT_B), IO_APIC0, PIRQ_B); |
| 274 | smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_pci, PCI_IRQ(0, INT_C), IO_APIC0, PIRQ_C); |
| 275 | smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, bus_pci, PCI_IRQ(0, INT_D), IO_APIC0, PIRQ_D); |
| 276 | |
| 277 | /* There is no extension information... */ |
| 278 | |
| 279 | /* Compute the checksums */ |
| 280 | mc->mpe_checksum = smp_compute_checksum(smp_next_mpc_entry(mc), mc->mpe_length); |
| 281 | mc->mpc_checksum = smp_compute_checksum(mc, mc->mpc_length); |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 282 | printk(BIOS_DEBUG, "Wrote the mp table end at: %p - %p\n", |
Thomas Jourdan | 1a692d8 | 2009-07-01 17:01:17 +0000 | [diff] [blame] | 283 | mc, smp_next_mpe_entry(mc)); |
| 284 | return smp_next_mpe_entry(mc); |
| 285 | } |
| 286 | |
| 287 | unsigned long write_smp_table(unsigned long addr) |
| 288 | { |
| 289 | void *v; |
| 290 | v = smp_write_floating_table(addr); |
| 291 | return (unsigned long)smp_write_config_table(v); |
| 292 | } |