Patrick Georgi | ea063cb | 2020-05-08 19:28:13 +0200 | [diff] [blame] | 1 | /* sconfig, coreboot device tree compiler */ |
Patrick Georgi | 7333a11 | 2020-05-08 20:48:04 +0200 | [diff] [blame] | 2 | /* SPDX-License-Identifier: GPL-2.0-only */ |
Patrick Georgi | 114e7b2 | 2010-05-05 11:19:50 +0000 | [diff] [blame] | 3 | |
Tim Wawrzynczak | 24b4af6 | 2020-10-01 15:41:31 -0600 | [diff] [blame] | 4 | #include <stdint.h> |
Patrick Georgi | 114e7b2 | 2010-05-05 11:19:50 +0000 | [diff] [blame] | 5 | #include <stdio.h> |
| 6 | #include <stdlib.h> |
| 7 | #include <string.h> |
| 8 | #include <sys/types.h> |
Patrick Georgi | 114e7b2 | 2010-05-05 11:19:50 +0000 | [diff] [blame] | 9 | #include <unistd.h> |
| 10 | #include <errno.h> |
| 11 | |
Patrick Georgi | 114e7b2 | 2010-05-05 11:19:50 +0000 | [diff] [blame] | 12 | struct resource; |
| 13 | struct resource { |
| 14 | int type; |
| 15 | int index; |
| 16 | int base; |
| 17 | struct resource *next; |
| 18 | }; |
| 19 | |
| 20 | struct reg; |
| 21 | struct reg { |
| 22 | char *key; |
| 23 | char *value; |
| 24 | struct reg *next; |
| 25 | }; |
| 26 | |
Sven Schnelle | 0fa50a1 | 2012-06-21 22:19:48 +0200 | [diff] [blame] | 27 | struct pci_irq_info { |
| 28 | int ioapic_irq_pin; |
| 29 | int ioapic_dst_id; |
| 30 | }; |
Furquan Shaikh | 79e8412 | 2018-05-30 15:09:09 -0700 | [diff] [blame] | 31 | |
Duncan Laurie | 47b7b34 | 2020-05-15 15:39:08 -0700 | [diff] [blame] | 32 | struct fw_config_option; |
| 33 | struct fw_config_option { |
| 34 | const char *name; |
Tim Wawrzynczak | 24b4af6 | 2020-10-01 15:41:31 -0600 | [diff] [blame] | 35 | uint64_t value; |
Duncan Laurie | 47b7b34 | 2020-05-15 15:39:08 -0700 | [diff] [blame] | 36 | struct fw_config_option *next; |
| 37 | }; |
| 38 | struct fw_config_field; |
| 39 | struct fw_config_field { |
| 40 | const char *name; |
| 41 | unsigned int start_bit; |
| 42 | unsigned int end_bit; |
| 43 | struct fw_config_field *next; |
| 44 | struct fw_config_option *options; |
| 45 | }; |
| 46 | struct fw_config_probe; |
| 47 | struct fw_config_probe { |
| 48 | const char *field; |
| 49 | const char *option; |
| 50 | struct fw_config_probe *next; |
| 51 | }; |
| 52 | |
Furquan Shaikh | c56ae2f | 2018-05-31 10:33:16 -0700 | [diff] [blame] | 53 | struct chip; |
| 54 | struct chip_instance { |
Furquan Shaikh | 4ebe953 | 2020-05-02 15:34:42 -0700 | [diff] [blame] | 55 | /* Monotonically increasing ID for each chip instance. */ |
Furquan Shaikh | 79e8412 | 2018-05-30 15:09:09 -0700 | [diff] [blame] | 56 | int id; |
| 57 | |
Furquan Shaikh | c56ae2f | 2018-05-31 10:33:16 -0700 | [diff] [blame] | 58 | /* Pointer to registers for this chip. */ |
| 59 | struct reg *reg; |
| 60 | |
Nico Huber | 8e1ea52 | 2020-06-03 10:20:07 -0700 | [diff] [blame] | 61 | /* Pointer to references for this chip. */ |
| 62 | struct reg *ref; |
| 63 | |
Furquan Shaikh | c56ae2f | 2018-05-31 10:33:16 -0700 | [diff] [blame] | 64 | /* Pointer to chip of which this is instance. */ |
| 65 | struct chip *chip; |
| 66 | |
| 67 | /* Pointer to next instance of the same chip. */ |
| 68 | struct chip_instance *next; |
Furquan Shaikh | 27efc50 | 2018-06-22 09:19:15 -0700 | [diff] [blame] | 69 | |
| 70 | /* |
Furquan Shaikh | bbade24 | 2020-05-02 16:05:29 -0700 | [diff] [blame] | 71 | * Pointer to corresponding chip instance in base devicetree. |
| 72 | * a) If the chip instance belongs to the base devicetree, then this pointer is set to |
| 73 | * NULL. |
| 74 | * b) If the chip instance belongs to override tree, then this pointer is set to its |
| 75 | * corresponding chip instance in base devicetree (if it exists), else to NULL. |
| 76 | * |
| 77 | * This is useful when generating chip instances and chip_ops for a device to determine |
| 78 | * if this is the instance to emit or if there is a base chip instance to use instead. |
Furquan Shaikh | 27efc50 | 2018-06-22 09:19:15 -0700 | [diff] [blame] | 79 | */ |
Furquan Shaikh | bbade24 | 2020-05-02 16:05:29 -0700 | [diff] [blame] | 80 | struct chip_instance *base_chip_instance; |
Furquan Shaikh | c56ae2f | 2018-05-31 10:33:16 -0700 | [diff] [blame] | 81 | }; |
| 82 | |
| 83 | struct chip { |
Furquan Shaikh | 79e8412 | 2018-05-30 15:09:09 -0700 | [diff] [blame] | 84 | /* Indicates if chip header exists for this chip. */ |
| 85 | int chiph_exists; |
| 86 | |
| 87 | /* Name of current chip. */ |
| 88 | char *name; |
| 89 | |
| 90 | /* Name of current chip normalized to _. */ |
| 91 | char *name_underscore; |
| 92 | |
Furquan Shaikh | c56ae2f | 2018-05-31 10:33:16 -0700 | [diff] [blame] | 93 | /* Pointer to first instance of this chip. */ |
| 94 | struct chip_instance *instance; |
Furquan Shaikh | 79e8412 | 2018-05-30 15:09:09 -0700 | [diff] [blame] | 95 | |
| 96 | /* Pointer to next chip. */ |
| 97 | struct chip *next; |
| 98 | }; |
| 99 | |
Patrick Georgi | 114e7b2 | 2010-05-05 11:19:50 +0000 | [diff] [blame] | 100 | struct device; |
Furquan Shaikh | 9319826 | 2018-06-03 04:22:17 -0700 | [diff] [blame] | 101 | struct bus { |
| 102 | /* Instance/ID of the bus under the device. */ |
Patrick Georgi | 114e7b2 | 2010-05-05 11:19:50 +0000 | [diff] [blame] | 103 | int id; |
Furquan Shaikh | 9319826 | 2018-06-03 04:22:17 -0700 | [diff] [blame] | 104 | |
| 105 | /* Pointer to device to which this bus belongs. */ |
| 106 | struct device *dev; |
| 107 | |
| 108 | /* Pointer to list of children. */ |
| 109 | struct device *children; |
| 110 | |
| 111 | /* Pointer to next bus for the device. */ |
| 112 | struct bus *next_bus; |
| 113 | }; |
| 114 | |
| 115 | struct device { |
Hung-Te Lin | 936dbe1 | 2018-09-10 10:51:26 +0800 | [diff] [blame] | 116 | /* Indicates device status (enabled / hidden or not). */ |
Patrick Georgi | 114e7b2 | 2010-05-05 11:19:50 +0000 | [diff] [blame] | 117 | int enabled; |
Hung-Te Lin | 936dbe1 | 2018-09-10 10:51:26 +0800 | [diff] [blame] | 118 | int hidden; |
Ronald G. Minnich | 466ca2c | 2019-10-22 02:02:24 +0000 | [diff] [blame] | 119 | /* non-zero if the device should be included in all cases */ |
| 120 | int mandatory; |
Furquan Shaikh | 9319826 | 2018-06-03 04:22:17 -0700 | [diff] [blame] | 121 | |
Furquan Shaikh | 9319826 | 2018-06-03 04:22:17 -0700 | [diff] [blame] | 122 | /* Subsystem IDs for the device. */ |
Sven Schnelle | 270a908 | 2011-03-01 19:58:15 +0000 | [diff] [blame] | 123 | int subsystem_vendor; |
| 124 | int subsystem_device; |
| 125 | int inherit_subsystem; |
Furquan Shaikh | 9319826 | 2018-06-03 04:22:17 -0700 | [diff] [blame] | 126 | |
Furquan Shaikh | 9319826 | 2018-06-03 04:22:17 -0700 | [diff] [blame] | 127 | /* Name of this device. */ |
Patrick Georgi | 114e7b2 | 2010-05-05 11:19:50 +0000 | [diff] [blame] | 128 | char *name; |
Furquan Shaikh | 9319826 | 2018-06-03 04:22:17 -0700 | [diff] [blame] | 129 | |
Nico Huber | 8e1ea52 | 2020-06-03 10:20:07 -0700 | [diff] [blame] | 130 | /* Alias of this device (for internal references) */ |
| 131 | char *alias; |
| 132 | |
Furquan Shaikh | 9319826 | 2018-06-03 04:22:17 -0700 | [diff] [blame] | 133 | /* Path of this device. */ |
Patrick Georgi | 114e7b2 | 2010-05-05 11:19:50 +0000 | [diff] [blame] | 134 | char *path; |
| 135 | int path_a; |
| 136 | int path_b; |
Furquan Shaikh | 9319826 | 2018-06-03 04:22:17 -0700 | [diff] [blame] | 137 | |
| 138 | /* Type of bus that exists under this device. */ |
Patrick Georgi | 114e7b2 | 2010-05-05 11:19:50 +0000 | [diff] [blame] | 139 | int bustype; |
Furquan Shaikh | 9319826 | 2018-06-03 04:22:17 -0700 | [diff] [blame] | 140 | |
| 141 | /* PCI IRQ info. */ |
Sven Schnelle | 0fa50a1 | 2012-06-21 22:19:48 +0200 | [diff] [blame] | 142 | struct pci_irq_info pci_irq_info[4]; |
Furquan Shaikh | 79e8412 | 2018-05-30 15:09:09 -0700 | [diff] [blame] | 143 | |
Furquan Shaikh | 9319826 | 2018-06-03 04:22:17 -0700 | [diff] [blame] | 144 | /* Pointer to bus of parent on which this device resides. */ |
| 145 | struct bus *parent; |
| 146 | |
| 147 | /* Pointer to next child under the same parent. */ |
Patrick Georgi | 114e7b2 | 2010-05-05 11:19:50 +0000 | [diff] [blame] | 148 | struct device *sibling; |
Furquan Shaikh | 9319826 | 2018-06-03 04:22:17 -0700 | [diff] [blame] | 149 | |
| 150 | /* Pointer to resources for this device. */ |
Patrick Georgi | 114e7b2 | 2010-05-05 11:19:50 +0000 | [diff] [blame] | 151 | struct resource *res; |
Furquan Shaikh | 79e8412 | 2018-05-30 15:09:09 -0700 | [diff] [blame] | 152 | |
Furquan Shaikh | 9319826 | 2018-06-03 04:22:17 -0700 | [diff] [blame] | 153 | /* Pointer to chip instance for this device. */ |
Furquan Shaikh | c56ae2f | 2018-05-31 10:33:16 -0700 | [diff] [blame] | 154 | struct chip_instance *chip_instance; |
Furquan Shaikh | 9319826 | 2018-06-03 04:22:17 -0700 | [diff] [blame] | 155 | |
| 156 | /* Pointer to list of buses under this device. */ |
| 157 | struct bus *bus; |
| 158 | /* Pointer to last bus under this device. */ |
| 159 | struct bus *last_bus; |
Patrick Rudolph | ac24d3c | 2019-04-12 14:42:17 +0200 | [diff] [blame] | 160 | |
| 161 | /* SMBIOS slot type */ |
| 162 | char *smbios_slot_type; |
| 163 | |
| 164 | /* SMBIOS slot data width */ |
| 165 | char *smbios_slot_data_width; |
| 166 | |
| 167 | /* SMBIOS slot description for reference designation */ |
| 168 | char *smbios_slot_designation; |
| 169 | |
| 170 | /* SMBIOS slot length */ |
| 171 | char *smbios_slot_length; |
Duncan Laurie | 47b7b34 | 2020-05-15 15:39:08 -0700 | [diff] [blame] | 172 | |
| 173 | /* List of field+option to probe. */ |
| 174 | struct fw_config_probe *probe; |
Patrick Georgi | 114e7b2 | 2010-05-05 11:19:50 +0000 | [diff] [blame] | 175 | }; |
| 176 | |
Furquan Shaikh | 9319826 | 2018-06-03 04:22:17 -0700 | [diff] [blame] | 177 | extern struct bus *root_parent; |
Patrick Georgi | 114e7b2 | 2010-05-05 11:19:50 +0000 | [diff] [blame] | 178 | |
Duncan Laurie | e335c2e | 2020-07-29 16:28:43 -0700 | [diff] [blame] | 179 | struct device *new_device_raw(struct bus *parent, |
| 180 | struct chip_instance *chip_instance, |
| 181 | const int bustype, const char *devnum, |
| 182 | char *alias, int status); |
| 183 | |
| 184 | struct device *new_device_reference(struct bus *parent, |
| 185 | struct chip_instance *chip_instance, |
| 186 | const char *reference, int status); |
Furquan Shaikh | 9319826 | 2018-06-03 04:22:17 -0700 | [diff] [blame] | 187 | |
| 188 | void add_resource(struct bus *bus, int type, int index, int base); |
| 189 | |
| 190 | void add_pci_subsystem_ids(struct bus *bus, int vendor, int device, |
Martin Roth | bec0753 | 2016-08-05 18:32:18 -0600 | [diff] [blame] | 191 | int inherit); |
Furquan Shaikh | 9319826 | 2018-06-03 04:22:17 -0700 | [diff] [blame] | 192 | |
| 193 | void add_ioapic_info(struct bus *bus, int apicid, const char *_srcpin, |
Martin Roth | bec0753 | 2016-08-05 18:32:18 -0600 | [diff] [blame] | 194 | int irqpin); |
Stefan Reinauer | 2e78aa5 | 2016-05-07 01:11:14 -0700 | [diff] [blame] | 195 | |
Patrick Rudolph | ac24d3c | 2019-04-12 14:42:17 +0200 | [diff] [blame] | 196 | void add_slot_desc(struct bus *bus, char *type, char *length, char *designation, |
| 197 | char *data_width); |
| 198 | |
Stefan Reinauer | 2e78aa5 | 2016-05-07 01:11:14 -0700 | [diff] [blame] | 199 | void yyrestart(FILE *input_file); |
Furquan Shaikh | 79e8412 | 2018-05-30 15:09:09 -0700 | [diff] [blame] | 200 | |
| 201 | /* Add chip data to tail of queue. */ |
| 202 | void chip_enqueue_tail(void *data); |
| 203 | |
| 204 | /* Retrieve chip data from tail of queue. */ |
| 205 | void *chip_dequeue_tail(void); |
Furquan Shaikh | c56ae2f | 2018-05-31 10:33:16 -0700 | [diff] [blame] | 206 | |
| 207 | struct chip_instance *new_chip_instance(char *path); |
| 208 | void add_register(struct chip_instance *chip, char *name, char *val); |
Nico Huber | 8e1ea52 | 2020-06-03 10:20:07 -0700 | [diff] [blame] | 209 | void add_reference(struct chip_instance *chip, char *name, char *alias); |
Duncan Laurie | 47b7b34 | 2020-05-15 15:39:08 -0700 | [diff] [blame] | 210 | |
| 211 | struct fw_config_field *get_fw_config_field(const char *name); |
| 212 | |
| 213 | struct fw_config_field *new_fw_config_field(const char *name, |
| 214 | unsigned int start_bit, unsigned int end_bit); |
| 215 | |
| 216 | void add_fw_config_option(struct fw_config_field *field, const char *name, |
Tim Wawrzynczak | 24b4af6 | 2020-10-01 15:41:31 -0600 | [diff] [blame] | 217 | uint64_t value); |
Duncan Laurie | 47b7b34 | 2020-05-15 15:39:08 -0700 | [diff] [blame] | 218 | |
| 219 | void add_fw_config_probe(struct bus *bus, const char *field, const char *option); |