Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the coreboot project. |
| 3 | * |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; version 2 of the License. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 13 | */ |
| 14 | |
| 15 | #include <console/console.h> |
Kyösti Mälkki | f1b58b7 | 2019-03-01 13:43:02 +0200 | [diff] [blame] | 16 | #include <device/pci_ops.h> |
Kyösti Mälkki | 8ae16a4 | 2014-06-19 20:44:34 +0300 | [diff] [blame] | 17 | #include <arch/acpi.h> |
Kyösti Mälkki | 68a83df | 2014-11-26 09:51:14 +0200 | [diff] [blame] | 18 | #include <arch/acpigen.h> |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 19 | #include <stdint.h> |
| 20 | #include <device/device.h> |
| 21 | #include <device/pci.h> |
| 22 | #include <device/pci_ids.h> |
| 23 | #include <device/hypertransport.h> |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 24 | #include <string.h> |
Ronald G. Minnich | 5079a0d | 2012-11-27 11:32:38 -0800 | [diff] [blame] | 25 | #include <lib.h> |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 26 | #include <cpu/cpu.h> |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 27 | #include <cpu/x86/lapic.h> |
Elyes HAOUAS | 400ce55 | 2018-10-12 10:54:30 +0200 | [diff] [blame] | 28 | #include <cpu/amd/msr.h> |
Kyösti Mälkki | 55fff930 | 2012-07-11 08:02:39 +0300 | [diff] [blame] | 29 | #include <cpu/amd/mtrr.h> |
Kyösti Mälkki | 3d3152e | 2019-01-10 09:05:30 +0200 | [diff] [blame] | 30 | #include <northbridge/amd/agesa/nb_common.h> |
Kyösti Mälkki | 28c4d2f | 2016-11-25 11:21:02 +0200 | [diff] [blame] | 31 | #include <northbridge/amd/agesa/state_machine.h> |
Kyösti Mälkki | d610c58 | 2017-03-05 06:28:18 +0200 | [diff] [blame] | 32 | #include <northbridge/amd/agesa/agesa_helper.h> |
Kerry She | feed329 | 2011-08-18 18:03:44 +0800 | [diff] [blame] | 33 | #include <sb_cimx.h> |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 34 | |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 35 | #define FX_DEVS 1 |
| 36 | |
Kyösti Mälkki | e2c2a4c | 2018-05-20 20:59:52 +0300 | [diff] [blame] | 37 | static struct device *__f0_dev[FX_DEVS]; |
| 38 | static struct device *__f1_dev[FX_DEVS]; |
| 39 | static struct device *__f2_dev[FX_DEVS]; |
| 40 | static struct device *__f4_dev[FX_DEVS]; |
Subrata Banik | b1434fc | 2019-03-15 22:20:41 +0530 | [diff] [blame] | 41 | static unsigned int fx_devs = 0; |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 42 | |
Kyösti Mälkki | 2b218e3 | 2019-01-15 11:14:28 +0200 | [diff] [blame] | 43 | |
| 44 | struct dram_base_mask_t { |
| 45 | u32 base; //[47:27] at [28:8] |
| 46 | u32 mask; //[47:27] at [28:8] and enable at bit 0 |
| 47 | }; |
| 48 | |
| 49 | static struct dram_base_mask_t get_dram_base_mask(u32 nodeid) |
| 50 | { |
| 51 | struct device *dev; |
| 52 | struct dram_base_mask_t d; |
Kyösti Mälkki | 2b218e3 | 2019-01-15 11:14:28 +0200 | [diff] [blame] | 53 | dev = __f1_dev[0]; |
Kyösti Mälkki | 2b218e3 | 2019-01-15 11:14:28 +0200 | [diff] [blame] | 54 | |
| 55 | u32 temp; |
| 56 | temp = pci_read_config32(dev, 0x44); //[39:24] at [31:16] |
| 57 | d.mask = (temp & 0xffff0000); // mask out DramMask [26:24] too |
| 58 | |
| 59 | temp = pci_read_config32(dev, 0x40); //[35:24] at [27:16] |
| 60 | d.mask |= (temp & 1); // read enable bit |
| 61 | |
| 62 | d.base = (temp & 0x0fff0000); // mask out DramBase [26:24) too |
| 63 | |
| 64 | return d; |
| 65 | } |
| 66 | |
| 67 | static u32 get_io_addr_index(u32 nodeid, u32 linkn) |
| 68 | { |
| 69 | return 0; |
| 70 | } |
| 71 | |
| 72 | static u32 get_mmio_addr_index(u32 nodeid, u32 linkn) |
| 73 | { |
| 74 | return 0; |
| 75 | } |
| 76 | |
| 77 | static void set_io_addr_reg(struct device *dev, u32 nodeid, u32 linkn, u32 reg, |
| 78 | u32 io_min, u32 io_max) |
| 79 | { |
| 80 | |
| 81 | u32 tempreg; |
| 82 | /* io range allocation */ |
| 83 | tempreg = (nodeid & 0xf) | ((nodeid & 0x30) << (8 - 4)) | (linkn << 4) | |
| 84 | ((io_max & 0xf0) << (12 - 4)); //limit |
| 85 | pci_write_config32(__f1_dev[0], reg+4, tempreg); |
| 86 | |
| 87 | tempreg = 3 | ((io_min & 0xf0) << (12 - 4)); //base :ISA and VGA ? |
| 88 | pci_write_config32(__f1_dev[0], reg, tempreg); |
| 89 | } |
| 90 | |
| 91 | static void set_mmio_addr_reg(u32 nodeid, u32 linkn, u32 reg, u32 index, |
| 92 | u32 mmio_min, u32 mmio_max, u32 nodes) |
| 93 | { |
| 94 | |
| 95 | u32 tempreg; |
| 96 | /* io range allocation */ |
| 97 | tempreg = (nodeid & 0xf) | (linkn << 4) | (mmio_max & 0xffffff00); |
| 98 | pci_write_config32(__f1_dev[0], reg + 4, tempreg); |
| 99 | tempreg = 3 | (nodeid & 0x30) | (mmio_min & 0xffffff00); |
| 100 | pci_write_config32(__f1_dev[0], reg, tempreg); |
| 101 | } |
| 102 | |
Kyösti Mälkki | e2c2a4c | 2018-05-20 20:59:52 +0300 | [diff] [blame] | 103 | static struct device *get_node_pci(u32 nodeid, u32 fn) |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 104 | { |
Kyösti Mälkki | 3d3152e | 2019-01-10 09:05:30 +0200 | [diff] [blame] | 105 | return pcidev_on_root(DEV_CDB + nodeid, fn); |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 106 | } |
| 107 | |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 108 | static void get_fx_devs(void) |
| 109 | { |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 110 | int i; |
| 111 | for (i = 0; i < FX_DEVS; i++) { |
| 112 | __f0_dev[i] = get_node_pci(i, 0); |
| 113 | __f1_dev[i] = get_node_pci(i, 1); |
| 114 | __f2_dev[i] = get_node_pci(i, 2); |
| 115 | __f4_dev[i] = get_node_pci(i, 4); |
| 116 | if (__f0_dev[i] != NULL && __f1_dev[i] != NULL) |
| 117 | fx_devs = i + 1; |
| 118 | } |
| 119 | if (__f1_dev[0] == NULL || __f0_dev[0] == NULL || fx_devs == 0) { |
| 120 | die("Cannot find 0:0x18.[0|1]\n"); |
| 121 | } |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 122 | } |
| 123 | |
Subrata Banik | b1434fc | 2019-03-15 22:20:41 +0530 | [diff] [blame] | 124 | static u32 f1_read_config32(unsigned int reg) |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 125 | { |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 126 | if (fx_devs == 0) |
| 127 | get_fx_devs(); |
| 128 | return pci_read_config32(__f1_dev[0], reg); |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 129 | } |
| 130 | |
Subrata Banik | b1434fc | 2019-03-15 22:20:41 +0530 | [diff] [blame] | 131 | static void f1_write_config32(unsigned int reg, u32 value) |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 132 | { |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 133 | int i; |
| 134 | if (fx_devs == 0) |
| 135 | get_fx_devs(); |
| 136 | for (i = 0; i < fx_devs; i++) { |
Elyes HAOUAS | 0d7c7a8 | 2018-05-09 17:58:33 +0200 | [diff] [blame] | 137 | struct device *dev; |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 138 | dev = __f1_dev[i]; |
| 139 | if (dev && dev->enabled) { |
| 140 | pci_write_config32(dev, reg, value); |
| 141 | } |
| 142 | } |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 143 | } |
| 144 | |
Elyes HAOUAS | 0d7c7a8 | 2018-05-09 17:58:33 +0200 | [diff] [blame] | 145 | static u32 amdfam14_nodeid(struct device *dev) |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 146 | { |
Kyösti Mälkki | 3d3152e | 2019-01-10 09:05:30 +0200 | [diff] [blame] | 147 | return (dev->path.pci.devfn >> 3) - DEV_CDB; |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 148 | } |
| 149 | |
Elyes HAOUAS | 0d7c7a8 | 2018-05-09 17:58:33 +0200 | [diff] [blame] | 150 | static void northbridge_init(struct device *dev) |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 151 | { |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 152 | printk(BIOS_DEBUG, "Northbridge init\n"); |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 153 | } |
| 154 | |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 155 | static void set_vga_enable_reg(u32 nodeid, u32 linkn) |
| 156 | { |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 157 | u32 val; |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 158 | |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 159 | val = 1 | (nodeid << 4) | (linkn << 12); |
| 160 | /* it will routing (1)mmio 0xa0000:0xbffff (2) io 0x3b0:0x3bb, |
| 161 | 0x3c0:0x3df */ |
| 162 | f1_write_config32(0xf4, val); |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 163 | |
| 164 | } |
| 165 | |
Subrata Banik | b1434fc | 2019-03-15 22:20:41 +0530 | [diff] [blame] | 166 | static int reg_useable(unsigned int reg, struct device *goal_dev, |
| 167 | unsigned int goal_nodeid, unsigned int goal_link) |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 168 | { |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 169 | struct resource *res; |
Subrata Banik | b1434fc | 2019-03-15 22:20:41 +0530 | [diff] [blame] | 170 | unsigned int nodeid, link = 0; |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 171 | int result; |
| 172 | res = 0; |
| 173 | for (nodeid = 0; !res && (nodeid < fx_devs); nodeid++) { |
Elyes HAOUAS | 0d7c7a8 | 2018-05-09 17:58:33 +0200 | [diff] [blame] | 174 | struct device *dev; |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 175 | dev = __f0_dev[nodeid]; |
| 176 | if (!dev) |
| 177 | continue; |
| 178 | for (link = 0; !res && (link < 8); link++) { |
| 179 | res = probe_resource(dev, IOINDEX(0x1000 + reg, link)); |
| 180 | } |
| 181 | } |
| 182 | result = 2; |
| 183 | if (res) { |
| 184 | result = 0; |
| 185 | if ((goal_link == (link - 1)) && |
| 186 | (goal_nodeid == (nodeid - 1)) && (res->flags <= 1)) { |
| 187 | result = 1; |
| 188 | } |
| 189 | } |
| 190 | return result; |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 191 | } |
| 192 | |
Elyes HAOUAS | 0d7c7a8 | 2018-05-09 17:58:33 +0200 | [diff] [blame] | 193 | static struct resource *amdfam14_find_iopair(struct device *dev, |
Subrata Banik | b1434fc | 2019-03-15 22:20:41 +0530 | [diff] [blame] | 194 | unsigned int nodeid, unsigned int link) |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 195 | { |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 196 | struct resource *resource; |
| 197 | u32 result, reg; |
| 198 | resource = 0; |
| 199 | reg = 0; |
| 200 | result = reg_useable(0xc0, dev, nodeid, link); |
| 201 | if (result >= 1) { |
| 202 | /* I have been allocated this one */ |
| 203 | reg = 0xc0; |
| 204 | } |
| 205 | /* Ext conf space */ |
| 206 | if (!reg) { |
| 207 | /* Because of Extend conf space, we will never run out of reg, |
Elyes HAOUAS | a342f39 | 2018-10-17 10:56:26 +0200 | [diff] [blame] | 208 | * but we need one index to differ them. So,same node and same |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 209 | * link can have multi range |
| 210 | */ |
| 211 | u32 index = get_io_addr_index(nodeid, link); |
| 212 | reg = 0x110 + (index << 24) + (4 << 20); // index could be 0, 255 |
| 213 | } |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 214 | |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 215 | resource = new_resource(dev, IOINDEX(0x1000 + reg, link)); |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 216 | |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 217 | return resource; |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 218 | } |
| 219 | |
Elyes HAOUAS | 0d7c7a8 | 2018-05-09 17:58:33 +0200 | [diff] [blame] | 220 | static struct resource *amdfam14_find_mempair(struct device *dev, u32 nodeid, |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 221 | u32 link) |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 222 | { |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 223 | struct resource *resource; |
| 224 | u32 free_reg, reg; |
| 225 | resource = 0; |
| 226 | free_reg = 0; |
| 227 | for (reg = 0x80; reg <= 0xb8; reg += 0x8) { |
| 228 | int result; |
| 229 | result = reg_useable(reg, dev, nodeid, link); |
| 230 | if (result == 1) { |
| 231 | /* I have been allocated this one */ |
| 232 | break; |
| 233 | } else if (result > 1) { |
| 234 | /* I have a free register pair */ |
| 235 | free_reg = reg; |
| 236 | } |
| 237 | } |
| 238 | if (reg > 0xb8) { |
| 239 | reg = free_reg; |
| 240 | } |
| 241 | /* Ext conf space */ |
| 242 | if (!reg) { |
| 243 | /* Because of Extend conf space, we will never run out of reg, |
Elyes HAOUAS | a342f39 | 2018-10-17 10:56:26 +0200 | [diff] [blame] | 244 | * but we need one index to differ them. So,same node and same |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 245 | * link can have multi range |
| 246 | */ |
| 247 | u32 index = get_mmio_addr_index(nodeid, link); |
| 248 | reg = 0x110 + (index << 24) + (6 << 20); // index could be 0, 63 |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 249 | |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 250 | } |
| 251 | resource = new_resource(dev, IOINDEX(0x1000 + reg, link)); |
| 252 | return resource; |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 253 | } |
| 254 | |
Elyes HAOUAS | 0d7c7a8 | 2018-05-09 17:58:33 +0200 | [diff] [blame] | 255 | static void amdfam14_link_read_bases(struct device *dev, u32 nodeid, u32 link) |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 256 | { |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 257 | struct resource *resource; |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 258 | |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 259 | /* Initialize the io space constraints on the current bus */ |
| 260 | resource = amdfam14_find_iopair(dev, nodeid, link); |
| 261 | if (resource) { |
| 262 | u32 align; |
Kyösti Mälkki | ac7402d | 2014-12-14 08:30:17 +0200 | [diff] [blame] | 263 | align = log2(HT_IO_HOST_ALIGN); |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 264 | resource->base = 0; |
| 265 | resource->size = 0; |
| 266 | resource->align = align; |
| 267 | resource->gran = align; |
| 268 | resource->limit = 0xffffUL; |
| 269 | resource->flags = IORESOURCE_IO | IORESOURCE_BRIDGE; |
| 270 | } |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 271 | |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 272 | /* Initialize the prefetchable memory constraints on the current bus */ |
| 273 | resource = amdfam14_find_mempair(dev, nodeid, link); |
| 274 | if (resource) { |
| 275 | resource->base = 0; |
| 276 | resource->size = 0; |
| 277 | resource->align = log2(HT_MEM_HOST_ALIGN); |
| 278 | resource->gran = log2(HT_MEM_HOST_ALIGN); |
| 279 | resource->limit = 0xffffffffffULL; |
| 280 | resource->flags = IORESOURCE_MEM | IORESOURCE_PREFETCH; |
| 281 | resource->flags |= IORESOURCE_BRIDGE; |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 282 | } |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 283 | |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 284 | /* Initialize the memory constraints on the current bus */ |
| 285 | resource = amdfam14_find_mempair(dev, nodeid, link); |
| 286 | if (resource) { |
| 287 | resource->base = 0; |
| 288 | resource->size = 0; |
| 289 | resource->align = log2(HT_MEM_HOST_ALIGN); |
| 290 | resource->gran = log2(HT_MEM_HOST_ALIGN); |
| 291 | resource->limit = 0xffffffffffULL; |
| 292 | resource->flags = IORESOURCE_MEM | IORESOURCE_BRIDGE; |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 293 | } |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 294 | } |
| 295 | |
| 296 | static u32 my_find_pci_tolm(struct bus *bus, u32 tolm) |
| 297 | { |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 298 | struct resource *min; |
| 299 | min = 0; |
| 300 | search_bus_resources(bus, IORESOURCE_MEM, IORESOURCE_MEM, tolm_test, |
| 301 | &min); |
| 302 | if (min && tolm > min->base) { |
| 303 | tolm = min->base; |
| 304 | } |
| 305 | return tolm; |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 306 | } |
| 307 | |
| 308 | #if CONFIG_HW_MEM_HOLE_SIZEK != 0 |
| 309 | |
| 310 | struct hw_mem_hole_info { |
Subrata Banik | b1434fc | 2019-03-15 22:20:41 +0530 | [diff] [blame] | 311 | unsigned int hole_startk; |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 312 | int node_id; |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 313 | }; |
| 314 | |
| 315 | static struct hw_mem_hole_info get_hw_mem_hole_info(void) |
| 316 | { |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 317 | struct hw_mem_hole_info mem_hole; |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 318 | |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 319 | mem_hole.hole_startk = CONFIG_HW_MEM_HOLE_SIZEK; |
| 320 | mem_hole.node_id = -1; |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 321 | |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 322 | struct dram_base_mask_t d; |
| 323 | u32 hole; |
| 324 | d = get_dram_base_mask(0); |
| 325 | if (d.mask & 1) { |
| 326 | hole = pci_read_config32(__f1_dev[0], 0xf0); |
| 327 | if (hole & 1) { // we find the hole |
| 328 | mem_hole.hole_startk = (hole & (0xff << 24)) >> 10; |
| 329 | mem_hole.node_id = 0; // record the node No with hole |
| 330 | } |
| 331 | } |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 332 | return mem_hole; |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 333 | } |
| 334 | #endif |
| 335 | |
Elyes HAOUAS | 0d7c7a8 | 2018-05-09 17:58:33 +0200 | [diff] [blame] | 336 | static void nb_read_resources(struct device *dev) |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 337 | { |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 338 | u32 nodeid; |
| 339 | struct bus *link; |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 340 | |
Mike Loptien | 58089e8 | 2013-01-29 15:45:09 -0700 | [diff] [blame] | 341 | printk(BIOS_DEBUG, "\nFam14h - %s\n", __func__); |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 342 | |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 343 | nodeid = amdfam14_nodeid(dev); |
| 344 | for (link = dev->link_list; link; link = link->next) { |
| 345 | if (link->children) { |
| 346 | amdfam14_link_read_bases(dev, nodeid, link->link_num); |
| 347 | } |
| 348 | } |
Marc Jones | d5c998b | 2013-01-16 17:14:24 -0700 | [diff] [blame] | 349 | |
| 350 | /* |
Stefan Reinauer | 4aff445 | 2013-02-12 14:17:15 -0800 | [diff] [blame] | 351 | * This MMCONF resource must be reserved in the PCI domain. |
Marc Jones | d5c998b | 2013-01-16 17:14:24 -0700 | [diff] [blame] | 352 | * It is not honored by the coreboot resource allocator if it is in |
Stefan Reinauer | 0aa37c4 | 2013-02-12 15:20:54 -0800 | [diff] [blame] | 353 | * the CPU_CLUSTER. |
Marc Jones | d5c998b | 2013-01-16 17:14:24 -0700 | [diff] [blame] | 354 | */ |
Elyes HAOUAS | 400ce55 | 2018-10-12 10:54:30 +0200 | [diff] [blame] | 355 | mmconf_resource(dev, MMIO_CONF_BASE); |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 356 | } |
| 357 | |
Elyes HAOUAS | 0d7c7a8 | 2018-05-09 17:58:33 +0200 | [diff] [blame] | 358 | static void set_resource(struct device *dev, struct resource *resource, |
| 359 | u32 nodeid) |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 360 | { |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 361 | resource_t rbase, rend; |
Subrata Banik | b1434fc | 2019-03-15 22:20:41 +0530 | [diff] [blame] | 362 | unsigned int reg, link_num; |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 363 | char buf[50]; |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 364 | |
Mike Loptien | 58089e8 | 2013-01-29 15:45:09 -0700 | [diff] [blame] | 365 | printk(BIOS_DEBUG, "\nFam14h - %s\n", __func__); |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 366 | |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 367 | /* Make certain the resource has actually been set */ |
| 368 | if (!(resource->flags & IORESOURCE_ASSIGNED)) { |
| 369 | return; |
| 370 | } |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 371 | |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 372 | /* If I have already stored this resource don't worry about it */ |
| 373 | if (resource->flags & IORESOURCE_STORED) { |
| 374 | return; |
| 375 | } |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 376 | |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 377 | /* Only handle PCI memory and IO resources */ |
| 378 | if (!(resource->flags & (IORESOURCE_MEM | IORESOURCE_IO))) |
| 379 | return; |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 380 | |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 381 | /* Ensure I am actually looking at a resource of function 1 */ |
| 382 | if ((resource->index & 0xffff) < 0x1000) { |
| 383 | return; |
| 384 | } |
| 385 | /* Get the base address */ |
| 386 | rbase = resource->base; |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 387 | |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 388 | /* Get the limit (rounded up) */ |
| 389 | rend = resource_end(resource); |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 390 | |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 391 | /* Get the register and link */ |
| 392 | reg = resource->index & 0xfff; // 4k |
| 393 | link_num = IOINDEX_LINK(resource->index); |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 394 | |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 395 | if (resource->flags & IORESOURCE_IO) { |
| 396 | set_io_addr_reg(dev, nodeid, link_num, reg, rbase >> 8, |
| 397 | rend >> 8); |
| 398 | } else if (resource->flags & IORESOURCE_MEM) { |
| 399 | set_mmio_addr_reg(nodeid, link_num, reg, (resource->index >> 24), |
| 400 | rbase >> 8, rend >> 8, 1); // [39:8] |
| 401 | } |
| 402 | resource->flags |= IORESOURCE_STORED; |
Elyes HAOUAS | 0d4b11a | 2016-10-03 21:57:21 +0200 | [diff] [blame] | 403 | snprintf(buf, sizeof(buf), " <node %x link %x>", nodeid, link_num); |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 404 | report_resource_stored(dev, resource, buf); |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 405 | } |
| 406 | |
Julius Werner | cd49cce | 2019-03-05 16:53:33 -0800 | [diff] [blame] | 407 | #if CONFIG(CONSOLE_VGA_MULTI) |
Kyösti Mälkki | e2c2a4c | 2018-05-20 20:59:52 +0300 | [diff] [blame] | 408 | extern struct device *vga_pri; // the primary vga device, defined in device.c |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 409 | #endif |
| 410 | |
Subrata Banik | b1434fc | 2019-03-15 22:20:41 +0530 | [diff] [blame] | 411 | static void create_vga_resource(struct device *dev, unsigned int nodeid) |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 412 | { |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 413 | struct bus *link; |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 414 | |
Mike Loptien | 58089e8 | 2013-01-29 15:45:09 -0700 | [diff] [blame] | 415 | printk(BIOS_DEBUG, "\nFam14h - %s\n", __func__); |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 416 | |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 417 | /* find out which link the VGA card is connected, |
| 418 | * we only deal with the 'first' vga card */ |
| 419 | for (link = dev->link_list; link; link = link->next) { |
| 420 | if (link->bridge_ctrl & PCI_BRIDGE_CTL_VGA) { |
Julius Werner | cd49cce | 2019-03-05 16:53:33 -0800 | [diff] [blame] | 421 | #if CONFIG(CONSOLE_VGA_MULTI) |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 422 | printk(BIOS_DEBUG, |
| 423 | "VGA: vga_pri bus num = %d bus range [%d,%d]\n", |
| 424 | vga_pri->bus->secondary, link->secondary, |
| 425 | link->subordinate); |
| 426 | /* We need to make sure the vga_pri is under the link */ |
| 427 | if ((vga_pri->bus->secondary >= link->secondary) && |
| 428 | (vga_pri->bus->secondary <= link->subordinate)) |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 429 | #endif |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 430 | break; |
| 431 | } |
| 432 | } |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 433 | |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 434 | /* no VGA card installed */ |
| 435 | if (link == NULL) |
| 436 | return; |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 437 | |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 438 | printk(BIOS_DEBUG, "VGA: %s (aka node %d) link %d has VGA device\n", |
| 439 | dev_path(dev), nodeid, link->link_num); |
| 440 | set_vga_enable_reg(nodeid, link->link_num); |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 441 | } |
| 442 | |
Elyes HAOUAS | 0d7c7a8 | 2018-05-09 17:58:33 +0200 | [diff] [blame] | 443 | static void nb_set_resources(struct device *dev) |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 444 | { |
Subrata Banik | b1434fc | 2019-03-15 22:20:41 +0530 | [diff] [blame] | 445 | unsigned int nodeid; |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 446 | struct bus *bus; |
| 447 | struct resource *res; |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 448 | |
Mike Loptien | 58089e8 | 2013-01-29 15:45:09 -0700 | [diff] [blame] | 449 | printk(BIOS_DEBUG, "\nFam14h - %s\n", __func__); |
efdesign98 | 05a89ab | 2011-06-20 17:38:49 -0700 | [diff] [blame] | 450 | |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 451 | /* Find the nodeid */ |
| 452 | nodeid = amdfam14_nodeid(dev); |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 453 | |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 454 | create_vga_resource(dev, nodeid); |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 455 | |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 456 | /* Set each resource we have found */ |
| 457 | for (res = dev->resource_list; res; res = res->next) { |
| 458 | set_resource(dev, res, nodeid); |
| 459 | } |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 460 | |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 461 | for (bus = dev->link_list; bus; bus = bus->next) { |
| 462 | if (bus->children) { |
| 463 | assign_resources(bus); |
| 464 | } |
| 465 | } |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 466 | } |
| 467 | |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 468 | /* Domain/Root Complex related code */ |
| 469 | |
Elyes HAOUAS | 0d7c7a8 | 2018-05-09 17:58:33 +0200 | [diff] [blame] | 470 | static void domain_read_resources(struct device *dev) |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 471 | { |
Subrata Banik | b1434fc | 2019-03-15 22:20:41 +0530 | [diff] [blame] | 472 | unsigned int reg; |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 473 | |
Mike Loptien | 58089e8 | 2013-01-29 15:45:09 -0700 | [diff] [blame] | 474 | printk(BIOS_DEBUG, "\nFam14h - %s\n", __func__); |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 475 | |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 476 | /* Find the already assigned resource pairs */ |
| 477 | get_fx_devs(); |
| 478 | for (reg = 0x80; reg <= 0xc0; reg += 0x08) { |
| 479 | u32 base, limit; |
| 480 | base = f1_read_config32(reg); |
| 481 | limit = f1_read_config32(reg + 0x04); |
| 482 | /* Is this register allocated? */ |
| 483 | if ((base & 3) != 0) { |
Subrata Banik | b1434fc | 2019-03-15 22:20:41 +0530 | [diff] [blame] | 484 | unsigned int nodeid, reg_link; |
Elyes HAOUAS | 0d7c7a8 | 2018-05-09 17:58:33 +0200 | [diff] [blame] | 485 | struct device *reg_dev; |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 486 | if (reg < 0xc0) { // mmio |
| 487 | nodeid = (limit & 0xf) + (base & 0x30); |
| 488 | } else { // io |
| 489 | nodeid = (limit & 0xf) + ((base >> 4) & 0x30); |
| 490 | } |
| 491 | reg_link = (limit >> 4) & 7; |
| 492 | reg_dev = __f0_dev[nodeid]; |
| 493 | if (reg_dev) { |
| 494 | /* Reserve the resource */ |
| 495 | struct resource *res; |
| 496 | res = |
| 497 | new_resource(reg_dev, |
| 498 | IOINDEX(0x1000 + reg, |
| 499 | reg_link)); |
| 500 | if (res) { |
| 501 | res->flags = 1; |
| 502 | } |
| 503 | } |
| 504 | } |
| 505 | } |
| 506 | /* FIXME: do we need to check extend conf space? |
| 507 | I don't believe that much preset value */ |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 508 | |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 509 | pci_domain_read_resources(dev); |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 510 | } |
| 511 | |
Elyes HAOUAS | 0d7c7a8 | 2018-05-09 17:58:33 +0200 | [diff] [blame] | 512 | static void domain_set_resources(struct device *dev) |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 513 | { |
Mike Loptien | 58089e8 | 2013-01-29 15:45:09 -0700 | [diff] [blame] | 514 | printk(BIOS_DEBUG, "\nFam14h - %s\n", __func__); |
Stefan Reinauer | 29e6548 | 2015-06-18 01:18:09 -0700 | [diff] [blame] | 515 | printk(BIOS_DEBUG, " amsr - incoming dev = %p\n", dev); |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 516 | |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 517 | unsigned long mmio_basek; |
| 518 | u32 pci_tolm; |
| 519 | int idx; |
| 520 | struct bus *link; |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 521 | #if CONFIG_HW_MEM_HOLE_SIZEK != 0 |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 522 | struct hw_mem_hole_info mem_hole; |
| 523 | u32 reset_memhole = 1; |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 524 | #endif |
| 525 | |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 526 | pci_tolm = 0xffffffffUL; |
| 527 | for (link = dev->link_list; link; link = link->next) { |
| 528 | pci_tolm = my_find_pci_tolm(link, pci_tolm); |
| 529 | } |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 530 | |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 531 | // FIXME handle interleaved nodes. If you fix this here, please fix |
| 532 | // amdk8, too. |
| 533 | mmio_basek = pci_tolm >> 10; |
| 534 | /* Round mmio_basek to something the processor can support */ |
| 535 | mmio_basek &= ~((1 << 6) - 1); |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 536 | |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 537 | // FIXME improve mtrr.c so we don't use up all of the mtrrs with a 64M |
| 538 | // MMIO hole. If you fix this here, please fix amdk8, too. |
| 539 | /* Round the mmio hole to 64M */ |
| 540 | mmio_basek &= ~((64 * 1024) - 1); |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 541 | |
| 542 | #if CONFIG_HW_MEM_HOLE_SIZEK != 0 |
| 543 | /* if the hw mem hole is already set in raminit stage, here we will compare |
| 544 | * mmio_basek and hole_basek. if mmio_basek is bigger that hole_basek and will |
| 545 | * use hole_basek as mmio_basek and we don't need to reset hole. |
| 546 | * otherwise We reset the hole to the mmio_basek |
| 547 | */ |
| 548 | |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 549 | mem_hole = get_hw_mem_hole_info(); |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 550 | |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 551 | // Use hole_basek as mmio_basek, and we don't need to reset hole anymore |
| 552 | if ((mem_hole.node_id != -1) && (mmio_basek > mem_hole.hole_startk)) { |
| 553 | mmio_basek = mem_hole.hole_startk; |
| 554 | reset_memhole = 0; |
| 555 | } |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 556 | #endif |
| 557 | |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 558 | idx = 0x10; |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 559 | |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 560 | struct dram_base_mask_t d; |
| 561 | resource_t basek, limitk, sizek; // 4 1T |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 562 | |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 563 | d = get_dram_base_mask(0); |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 564 | |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 565 | if (d.mask & 1) { |
| 566 | basek = ((resource_t) ((u64) d.base)) << 8; |
| 567 | limitk = (resource_t) (((u64) d.mask << 8) | 0xFFFFFF); |
| 568 | printk(BIOS_DEBUG, |
| 569 | "adsr: (before) basek = %llx, limitk = %llx.\n", basek, |
| 570 | limitk); |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 571 | |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 572 | /* Convert these values to multiples of 1K for ease of math. */ |
| 573 | basek >>= 10; |
| 574 | limitk >>= 10; |
| 575 | sizek = limitk - basek + 1; |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 576 | |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 577 | printk(BIOS_DEBUG, |
| 578 | "adsr: (after) basek = %llx, limitk = %llx, sizek = %llx.\n", |
| 579 | basek, limitk, sizek); |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 580 | |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 581 | /* see if we need a hole from 0xa0000 to 0xbffff */ |
| 582 | if ((basek < 640) && (sizek > 768)) { |
| 583 | printk(BIOS_DEBUG,"adsr - 0xa0000 to 0xbffff resource.\n"); |
| 584 | ram_resource(dev, (idx | 0), basek, 640 - basek); |
| 585 | idx += 0x10; |
| 586 | basek = 768; |
| 587 | sizek = limitk - 768; |
| 588 | } |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 589 | |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 590 | printk(BIOS_DEBUG, |
| 591 | "adsr: mmio_basek=%08lx, basek=%08llx, limitk=%08llx\n", |
| 592 | mmio_basek, basek, limitk); |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 593 | |
Kyösti Mälkki | 26c6543 | 2014-06-26 05:30:54 +0300 | [diff] [blame] | 594 | /* split the region to accommodate pci memory space */ |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 595 | if ((basek < 4 * 1024 * 1024) && (limitk > mmio_basek)) { |
| 596 | if (basek <= mmio_basek) { |
Subrata Banik | b1434fc | 2019-03-15 22:20:41 +0530 | [diff] [blame] | 597 | unsigned int pre_sizek; |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 598 | pre_sizek = mmio_basek - basek; |
| 599 | if (pre_sizek > 0) { |
| 600 | ram_resource(dev, idx, basek, |
| 601 | pre_sizek); |
| 602 | idx += 0x10; |
| 603 | sizek -= pre_sizek; |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 604 | } |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 605 | basek = mmio_basek; |
| 606 | } |
| 607 | if ((basek + sizek) <= 4 * 1024 * 1024) { |
| 608 | sizek = 0; |
| 609 | } else { |
| 610 | basek = 4 * 1024 * 1024; |
| 611 | sizek -= (4 * 1024 * 1024 - mmio_basek); |
| 612 | } |
| 613 | } |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 614 | |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 615 | ram_resource(dev, (idx | 0), basek, sizek); |
| 616 | idx += 0x10; |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 617 | printk(BIOS_DEBUG, |
| 618 | "%d: mmio_basek=%08lx, basek=%08llx, limitk=%08llx\n", 0, |
| 619 | mmio_basek, basek, limitk); |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 620 | } |
| 621 | printk(BIOS_DEBUG, " adsr - mmio_basek = %lx.\n", mmio_basek); |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 622 | |
Kyösti Mälkki | 61be360 | 2017-04-15 20:07:53 +0300 | [diff] [blame] | 623 | add_uma_resource_below_tolm(dev, 7); |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 624 | |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 625 | for (link = dev->link_list; link; link = link->next) { |
| 626 | if (link->children) { |
| 627 | assign_resources(link); |
| 628 | } |
| 629 | } |
| 630 | printk(BIOS_DEBUG, " adsr - leaving this lovely routine.\n"); |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 631 | } |
| 632 | |
Aaron Durbin | aa090cb | 2017-09-13 16:01:52 -0600 | [diff] [blame] | 633 | static const char *domain_acpi_name(const struct device *dev) |
Tobias Diedrich | d8a2c1f | 2017-02-20 02:46:19 +0100 | [diff] [blame] | 634 | { |
| 635 | if (dev->path.type == DEVICE_PATH_DOMAIN) |
| 636 | return "PCI0"; |
| 637 | |
| 638 | return NULL; |
| 639 | } |
| 640 | |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 641 | /* Bus related code */ |
| 642 | |
Kyösti Mälkki | 580e722 | 2015-03-19 21:04:23 +0200 | [diff] [blame] | 643 | static void cpu_bus_scan(struct device *dev) |
zbao | f722373 | 2012-04-13 13:42:15 +0800 | [diff] [blame] | 644 | { |
Kyösti Mälkki | c33f1e9 | 2012-08-07 17:12:11 +0300 | [diff] [blame] | 645 | struct bus *cpu_bus = dev->link_list; |
Elyes HAOUAS | 0d7c7a8 | 2018-05-09 17:58:33 +0200 | [diff] [blame] | 646 | struct device *cpu; |
zbao | f722373 | 2012-04-13 13:42:15 +0800 | [diff] [blame] | 647 | int apic_id, cores_found; |
Scott Duplichan | 9ab3c6c | 2011-05-15 21:45:46 +0000 | [diff] [blame] | 648 | |
zbao | f722373 | 2012-04-13 13:42:15 +0800 | [diff] [blame] | 649 | /* There is only one node for fam14, but there may be multiple cores. */ |
Kyösti Mälkki | 4ad7f5b | 2018-05-22 01:15:17 +0300 | [diff] [blame] | 650 | cpu = pcidev_on_root(0x18, 0); |
zbao | f722373 | 2012-04-13 13:42:15 +0800 | [diff] [blame] | 651 | if (!cpu) |
| 652 | printk(BIOS_ERR, "ERROR: %02x:%02x.0 not found", 0, 0x18); |
Scott Duplichan | 9ab3c6c | 2011-05-15 21:45:46 +0000 | [diff] [blame] | 653 | |
Kyösti Mälkki | 4ad7f5b | 2018-05-22 01:15:17 +0300 | [diff] [blame] | 654 | cores_found = (pci_read_config32(pcidev_on_root(0x18, 0x3), |
| 655 | 0xe8) >> 12) & 3; |
zbao | f722373 | 2012-04-13 13:42:15 +0800 | [diff] [blame] | 656 | printk(BIOS_DEBUG, " AP siblings=%d\n", cores_found); |
| 657 | |
zbao | f722373 | 2012-04-13 13:42:15 +0800 | [diff] [blame] | 658 | for (apic_id = 0; apic_id <= cores_found; apic_id++) { |
Kyösti Mälkki | c33f1e9 | 2012-08-07 17:12:11 +0300 | [diff] [blame] | 659 | cpu = add_cpu_device(cpu_bus, apic_id, 1); |
| 660 | if (cpu) |
| 661 | amd_cpu_topology(cpu, 0, apic_id); |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 662 | } |
zbao | f722373 | 2012-04-13 13:42:15 +0800 | [diff] [blame] | 663 | } |
| 664 | |
Elyes HAOUAS | 0d7c7a8 | 2018-05-09 17:58:33 +0200 | [diff] [blame] | 665 | static void cpu_bus_init(struct device *dev) |
zbao | f722373 | 2012-04-13 13:42:15 +0800 | [diff] [blame] | 666 | { |
| 667 | initialize_cpus(dev->link_list); |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 668 | } |
| 669 | |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 670 | /* North Bridge Structures */ |
| 671 | |
Kyösti Mälkki | e2c2a4c | 2018-05-20 20:59:52 +0300 | [diff] [blame] | 672 | static void northbridge_fill_ssdt_generator(struct device *device) |
Vladimir Serbinenko | 4ab588b | 2014-10-08 21:18:31 +0200 | [diff] [blame] | 673 | { |
| 674 | msr_t msr; |
| 675 | char pscope[] = "\\_SB.PCI0"; |
| 676 | |
| 677 | acpigen_write_scope(pscope); |
| 678 | msr = rdmsr(TOP_MEM); |
| 679 | acpigen_write_name_dword("TOM1", msr.lo); |
| 680 | msr = rdmsr(TOP_MEM2); |
| 681 | /* |
| 682 | * Since XP only implements parts of ACPI 2.0, we can't use a qword |
| 683 | * here. |
| 684 | * See http://www.acpi.info/presentations/S01USMOBS169_OS%2520new.ppt |
| 685 | * slide 22ff. |
| 686 | * Shift value right by 20 bit to make it fit into 32bit, |
| 687 | * giving us 1MB granularity and a limit of almost 4Exabyte of memory. |
| 688 | */ |
| 689 | acpigen_write_name_dword("TOM2", (msr.hi << 12) | msr.lo >> 20); |
| 690 | acpigen_pop_len(); |
| 691 | } |
| 692 | |
Vladimir Serbinenko | 807127f | 2014-11-09 13:36:18 +0100 | [diff] [blame] | 693 | static unsigned long acpi_fill_hest(acpi_hest_t *hest) |
Vladimir Serbinenko | 4ab588b | 2014-10-08 21:18:31 +0200 | [diff] [blame] | 694 | { |
| 695 | void *addr, *current; |
| 696 | |
| 697 | /* Skip the HEST header. */ |
| 698 | current = (void *)(hest + 1); |
| 699 | |
| 700 | addr = agesawrapper_getlateinitptr(PICK_WHEA_MCE); |
| 701 | if (addr != NULL) |
Stefan Reinauer | 29e6548 | 2015-06-18 01:18:09 -0700 | [diff] [blame] | 702 | current += acpi_create_hest_error_source(hest, current, 0, |
| 703 | addr + 2, *(UINT16 *)addr - 2); |
Vladimir Serbinenko | 4ab588b | 2014-10-08 21:18:31 +0200 | [diff] [blame] | 704 | |
| 705 | addr = agesawrapper_getlateinitptr(PICK_WHEA_CMC); |
| 706 | if (addr != NULL) |
Stefan Reinauer | 29e6548 | 2015-06-18 01:18:09 -0700 | [diff] [blame] | 707 | current += acpi_create_hest_error_source(hest, current, 1, |
| 708 | addr + 2, *(UINT16 *)addr - 2); |
Vladimir Serbinenko | 4ab588b | 2014-10-08 21:18:31 +0200 | [diff] [blame] | 709 | |
| 710 | return (unsigned long)current; |
| 711 | } |
| 712 | |
Michał Żygowski | 9550e97 | 2020-03-20 13:56:46 +0100 | [diff] [blame] | 713 | static void patch_ssdt_processor_scope(acpi_header_t *ssdt) |
| 714 | { |
| 715 | unsigned int len = ssdt->length - sizeof(acpi_header_t); |
| 716 | unsigned int i; |
| 717 | |
| 718 | for (i = sizeof(acpi_header_t); i < len; i++) { |
| 719 | /* Search for _PR_ scope and replace it with _SB_ */ |
| 720 | if (*(uint32_t *)((unsigned long)ssdt + i) == 0x5f52505f) |
| 721 | *(uint32_t *)((unsigned long)ssdt + i) = 0x5f42535f; |
| 722 | } |
| 723 | /* Recalculate checksum */ |
| 724 | ssdt->checksum = 0; |
| 725 | ssdt->checksum = acpi_checksum((void *)ssdt, ssdt->length); |
| 726 | } |
| 727 | |
Kyösti Mälkki | e2c2a4c | 2018-05-20 20:59:52 +0300 | [diff] [blame] | 728 | static unsigned long agesa_write_acpi_tables(struct device *device, |
Alexander Couzens | 83fc32f | 2015-04-12 22:28:37 +0200 | [diff] [blame] | 729 | unsigned long current, |
Vladimir Serbinenko | 4ab588b | 2014-10-08 21:18:31 +0200 | [diff] [blame] | 730 | acpi_rsdp_t *rsdp) |
| 731 | { |
| 732 | acpi_srat_t *srat; |
| 733 | acpi_slit_t *slit; |
| 734 | acpi_header_t *ssdt; |
| 735 | acpi_header_t *alib; |
| 736 | acpi_hest_t *hest; |
| 737 | |
| 738 | /* HEST */ |
| 739 | current = ALIGN(current, 8); |
| 740 | hest = (acpi_hest_t *)current; |
Vladimir Serbinenko | 807127f | 2014-11-09 13:36:18 +0100 | [diff] [blame] | 741 | acpi_write_hest((void *)current, acpi_fill_hest); |
Vladimir Serbinenko | 4ab588b | 2014-10-08 21:18:31 +0200 | [diff] [blame] | 742 | acpi_add_table(rsdp, (void *)current); |
| 743 | current += ((acpi_header_t *)current)->length; |
| 744 | |
| 745 | /* SRAT */ |
| 746 | current = ALIGN(current, 8); |
| 747 | printk(BIOS_DEBUG, "ACPI: * SRAT at %lx\n", current); |
| 748 | srat = (acpi_srat_t *) agesawrapper_getlateinitptr (PICK_SRAT); |
| 749 | if (srat != NULL) { |
| 750 | memcpy((void *)current, srat, srat->header.length); |
| 751 | srat = (acpi_srat_t *) current; |
| 752 | current += srat->header.length; |
| 753 | acpi_add_table(rsdp, srat); |
| 754 | } |
| 755 | else { |
| 756 | printk(BIOS_DEBUG, " AGESA SRAT table NULL. Skipping.\n"); |
| 757 | } |
| 758 | |
| 759 | /* SLIT */ |
| 760 | current = ALIGN(current, 8); |
| 761 | printk(BIOS_DEBUG, "ACPI: * SLIT at %lx\n", current); |
| 762 | slit = (acpi_slit_t *) agesawrapper_getlateinitptr (PICK_SLIT); |
| 763 | if (slit != NULL) { |
| 764 | memcpy((void *)current, slit, slit->header.length); |
| 765 | slit = (acpi_slit_t *) current; |
| 766 | current += slit->header.length; |
| 767 | acpi_add_table(rsdp, slit); |
| 768 | } |
| 769 | else { |
| 770 | printk(BIOS_DEBUG, " AGESA SLIT table NULL. Skipping.\n"); |
| 771 | } |
| 772 | |
| 773 | /* SSDT */ |
| 774 | current = ALIGN(current, 16); |
| 775 | printk(BIOS_DEBUG, "ACPI: * AGESA ALIB SSDT at %lx\n", current); |
| 776 | alib = (acpi_header_t *)agesawrapper_getlateinitptr (PICK_ALIB); |
| 777 | if (alib != NULL) { |
| 778 | memcpy((void *)current, alib, alib->length); |
| 779 | alib = (acpi_header_t *) current; |
| 780 | current += alib->length; |
| 781 | acpi_add_table(rsdp, (void *)alib); |
| 782 | } else { |
| 783 | printk(BIOS_DEBUG, " AGESA ALIB SSDT table NULL. Skipping.\n"); |
| 784 | } |
| 785 | |
| 786 | /* The DSDT needs additional work for the AGESA SSDT Pstate table */ |
| 787 | /* Keep the comment for a while. */ |
| 788 | current = ALIGN(current, 16); |
| 789 | printk(BIOS_DEBUG, "ACPI: * AGESA SSDT Pstate at %lx\n", current); |
| 790 | ssdt = (acpi_header_t *)agesawrapper_getlateinitptr (PICK_PSTATE); |
| 791 | if (ssdt != NULL) { |
Michał Żygowski | 9550e97 | 2020-03-20 13:56:46 +0100 | [diff] [blame] | 792 | hexdump(ssdt, ssdt->length); |
| 793 | patch_ssdt_processor_scope(ssdt); |
| 794 | hexdump(ssdt, ssdt->length); |
Vladimir Serbinenko | 4ab588b | 2014-10-08 21:18:31 +0200 | [diff] [blame] | 795 | memcpy((void *)current, ssdt, ssdt->length); |
| 796 | ssdt = (acpi_header_t *) current; |
| 797 | current += ssdt->length; |
| 798 | acpi_add_table(rsdp,ssdt); |
| 799 | } else { |
| 800 | printk(BIOS_DEBUG, " AGESA SSDT Pstate table NULL. Skipping.\n"); |
| 801 | } |
| 802 | |
| 803 | return current; |
| 804 | } |
| 805 | |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 806 | static struct device_operations northbridge_operations = { |
Marc Jones | 8a49ac7 | 2013-01-16 17:02:20 -0700 | [diff] [blame] | 807 | .read_resources = nb_read_resources, |
| 808 | .set_resources = nb_set_resources, |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 809 | .enable_resources = pci_dev_enable_resources, |
Nico Huber | 68680dd | 2020-03-31 17:34:52 +0200 | [diff] [blame] | 810 | .acpi_fill_ssdt = northbridge_fill_ssdt_generator, |
Vladimir Serbinenko | 4ab588b | 2014-10-08 21:18:31 +0200 | [diff] [blame] | 811 | .write_acpi_tables = agesa_write_acpi_tables, |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 812 | .init = northbridge_init, |
| 813 | .enable = 0,.ops_pci = 0, |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 814 | }; |
| 815 | |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 816 | static const struct pci_driver northbridge_driver __pci_driver = { |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 817 | .ops = &northbridge_operations, |
| 818 | .vendor = PCI_VENDOR_ID_AMD, |
| 819 | .device = 0x1510, |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 820 | }; |
| 821 | |
efdesign98 | 05a89ab | 2011-06-20 17:38:49 -0700 | [diff] [blame] | 822 | struct chip_operations northbridge_amd_agesa_family14_ops = { |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 823 | CHIP_NAME("AMD Family 14h Northbridge") |
| 824 | .enable_dev = 0, |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 825 | }; |
| 826 | |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 827 | /* Root Complex Structures */ |
| 828 | |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 829 | static struct device_operations pci_domain_ops = { |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 830 | .read_resources = domain_read_resources, |
| 831 | .set_resources = domain_set_resources, |
Edward O'Callaghan | e9e1d7a | 2015-01-02 15:11:49 +1100 | [diff] [blame] | 832 | .init = DEVICE_NOOP, |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 833 | .scan_bus = pci_domain_scan_bus, |
Tobias Diedrich | d8a2c1f | 2017-02-20 02:46:19 +0100 | [diff] [blame] | 834 | .acpi_name = domain_acpi_name, |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 835 | }; |
| 836 | |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 837 | static struct device_operations cpu_bus_ops = { |
Edward O'Callaghan | 2837ab2 | 2014-11-06 08:57:40 +1100 | [diff] [blame] | 838 | .read_resources = DEVICE_NOOP, |
| 839 | .set_resources = DEVICE_NOOP, |
Edward O'Callaghan | e9e1d7a | 2015-01-02 15:11:49 +1100 | [diff] [blame] | 840 | .enable_resources = DEVICE_NOOP, |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 841 | .init = cpu_bus_init, |
zbao | f722373 | 2012-04-13 13:42:15 +0800 | [diff] [blame] | 842 | .scan_bus = cpu_bus_scan, |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 843 | }; |
| 844 | |
Kyösti Mälkki | 87213b6 | 2012-08-27 20:00:33 +0300 | [diff] [blame] | 845 | static void root_complex_enable_dev(struct device *dev) |
| 846 | { |
| 847 | static int done = 0; |
| 848 | |
Kyösti Mälkki | 87213b6 | 2012-08-27 20:00:33 +0300 | [diff] [blame] | 849 | if (!done) { |
| 850 | setup_bsp_ramtop(); |
Kyösti Mälkki | 87213b6 | 2012-08-27 20:00:33 +0300 | [diff] [blame] | 851 | done = 1; |
| 852 | } |
| 853 | |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 854 | /* Set the operations if it is a special bus type */ |
Stefan Reinauer | 4aff445 | 2013-02-12 14:17:15 -0800 | [diff] [blame] | 855 | if (dev->path.type == DEVICE_PATH_DOMAIN) { |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 856 | dev->ops = &pci_domain_ops; |
Stefan Reinauer | 0aa37c4 | 2013-02-12 15:20:54 -0800 | [diff] [blame] | 857 | } else if (dev->path.type == DEVICE_PATH_CPU_CLUSTER) { |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 858 | dev->ops = &cpu_bus_ops; |
| 859 | } |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 860 | } |
| 861 | |
efdesign98 | 05a89ab | 2011-06-20 17:38:49 -0700 | [diff] [blame] | 862 | struct chip_operations northbridge_amd_agesa_family14_root_complex_ops = { |
Marc Jones | 8d59569 | 2012-03-15 12:55:26 -0600 | [diff] [blame] | 863 | CHIP_NAME("AMD Family 14h Root Complex") |
| 864 | .enable_dev = root_complex_enable_dev, |
Frank Vibrans | 39fca80 | 2011-02-14 18:35:15 +0000 | [diff] [blame] | 865 | }; |
Kyösti Mälkki | 2b218e3 | 2019-01-15 11:14:28 +0200 | [diff] [blame] | 866 | |
| 867 | /******************************************************************** |
| 868 | * Change the vendor / device IDs to match the generic VBIOS header. |
| 869 | ********************************************************************/ |
| 870 | u32 map_oprom_vendev(u32 vendev) |
| 871 | { |
| 872 | u32 new_vendev = vendev; |
| 873 | |
| 874 | switch (vendev) { |
| 875 | case 0x10029809: |
| 876 | case 0x10029808: |
| 877 | case 0x10029807: |
| 878 | case 0x10029806: |
| 879 | case 0x10029805: |
| 880 | case 0x10029804: |
| 881 | case 0x10029803: |
| 882 | new_vendev = 0x10029802; |
| 883 | break; |
| 884 | } |
| 885 | |
| 886 | return new_vendev; |
| 887 | } |