| /* |
| * Copyright 2014, Google Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include <stdlib.h> |
| #include <unistd.h> |
| |
| #include "mosys/command_list.h" |
| #include "mosys/platform.h" |
| #include "mosys/intf_list.h" |
| #include "mosys/log.h" |
| |
| #include "drivers/google/cros_ec.h" |
| |
| #include "lib/cros_config.h" |
| #include "lib/fdt.h" |
| #include "lib/file.h" |
| #include "lib/generic_callbacks.h" |
| #include "lib/math.h" |
| #include "lib/probe.h" |
| #include "lib/sku.h" |
| |
| #include "oak.h" |
| |
| static int oak_probed_board = -1; |
| static int kukui_probed_board = -1; |
| |
| struct probe_id { |
| const char *name; |
| const char *fdt_compat; |
| const struct sku_info single_sku; |
| int has_pd; |
| } oak_probe_id_list[] = { |
| { "Elm", "google,elm", { .brand = "ACAZ" }, 0 }, |
| { "Hana", "google,hana", { .brand = "LEAO" }, 0 }, |
| { "Oak", "google,oak", { .brand = NULL }, 1 }, |
| { "Rowan", "google,rowan", { .brand = NULL }, 0 }, |
| }, kukui_probe_id_list[] = { |
| { "Kukui", "google,kukui", { .brand = "ZZCR" }, 0 }, |
| { "Krane", "google,krane", { .brand = "ZZCR" }, 0 }, |
| }; |
| |
| #define OAK_CMD_PD_NUM 0 |
| |
| struct platform_cmd *oak_sub[] = { |
| /* Keep this as the first entry. intf->sub will be set to point to |
| * the next entry if it turns out that we don't have a PD. */ |
| [OAK_CMD_PD_NUM] = &cmd_pd, |
| |
| &cmd_ec, |
| &cmd_eeprom, |
| &cmd_memory, |
| &cmd_nvram, |
| &cmd_platform, |
| &cmd_psu, |
| &cmd_eventlog, |
| NULL |
| }; |
| |
| static int oak_probe(struct platform_intf *intf) |
| { |
| int i; |
| |
| for (i = 0; i < ARRAY_SIZE(oak_probe_id_list); i++) { |
| const char **compat = &oak_probe_id_list[i].fdt_compat; |
| |
| if (probe_fdt_compatible(compat, 1, 1) == 0) { |
| lprintf(LOG_DEBUG, "Found platform \"%s\" via FDT " |
| "compatible node.\n", oak_probe_id_list[i].name); |
| intf->name = oak_probe_id_list[i].name; |
| intf->sku_info = &oak_probe_id_list[i].single_sku; |
| oak_probed_board = i; |
| break; |
| } |
| } |
| |
| lprintf(LOG_DEBUG, "%s: probed_board: %d\n", __func__, oak_probed_board); |
| return oak_probed_board > -1 ? 1 : 0; |
| } |
| |
| static int kukui_probe(struct platform_intf *intf) |
| { |
| #ifdef CONFIG_CROS_CONFIG |
| static const char* platform_arr[] = { |
| "krane", "kukui", "flapjack", |
| NULL, |
| }; |
| static struct sku_info sku_info; |
| |
| int ret = cros_config_read_sku_info_fdt(intf, platform_arr, &sku_info); |
| /* If there was no error, indicate that we found a match */ |
| if (!ret) { |
| intf->sku_info = &sku_info; |
| return 1; |
| } |
| |
| return ret; |
| #else |
| int i; |
| |
| for (i = 0; i < ARRAY_SIZE(kukui_probe_id_list); i++) { |
| const char **compat = &kukui_probe_id_list[i].fdt_compat; |
| |
| if (probe_fdt_compatible(compat, 1, 1) == 0) { |
| lprintf(LOG_DEBUG, "Found platform \"%s\" via FDT " |
| "compatible node.\n", oak_probe_id_list[i].name); |
| intf->name = kukui_probe_id_list[i].name; |
| intf->sku_info = &kukui_probe_id_list[i].single_sku; |
| kukui_probed_board = i; |
| break; |
| } |
| } |
| |
| lprintf(LOG_DEBUG, "%s: probed_board: %d\n", __func__, kukui_probed_board); |
| return kukui_probed_board > -1 ? 1 : 0; |
| #endif /* CONFIG_CROS_CONFIG */ |
| } |
| |
| static int oak_setup_post(struct platform_intf *intf) |
| { |
| if (cros_ec_setup(intf) < 0) |
| return -1; |
| |
| if (oak_probe_id_list[oak_probed_board].has_pd) { |
| if (cros_pd_setup(intf) < 0) |
| return -1; |
| } else { |
| intf->cb->pd = NULL; |
| intf->sub = &oak_sub[OAK_CMD_PD_NUM + 1]; |
| } |
| |
| if (fdt_set_nvram_cb(intf) < 0) |
| return -1; |
| |
| return 0; |
| } |
| |
| static int kukui_setup_post(struct platform_intf *intf) |
| { |
| if (cros_ec_setup(intf) < 0) |
| return -1; |
| |
| if (kukui_probe_id_list[kukui_probed_board].has_pd) { |
| if (cros_pd_setup(intf) < 0) |
| return -1; |
| } else { |
| intf->cb->pd = NULL; |
| intf->sub = &oak_sub[OAK_CMD_PD_NUM + 1]; |
| } |
| |
| if (fdt_set_nvram_cb(intf) < 0) |
| return -1; |
| |
| return 0; |
| } |
| |
| |
| static int oak_destroy(struct platform_intf *intf) |
| { |
| if (intf->cb->ec && intf->cb->ec->destroy) |
| intf->cb->ec->destroy(intf, intf->cb->ec); |
| return 0; |
| } |
| |
| struct eventlog_cb oak_eventlog_cb = { |
| .print_type = &elog_print_type, |
| .print_data = &elog_print_data, |
| .print_multi = &elog_print_multi, |
| .verify = &elog_verify, |
| .verify_header = &elog_verify_header, |
| .add = &elog_add_event_manually, |
| .clear = &elog_clear_manually, |
| .fetch = &elog_fetch_from_flash, |
| .write = &elog_write_to_flash, |
| }; |
| |
| struct platform_cb oak_cb = { |
| .ec = &cros_ec_cb, |
| .eeprom = &oak_eeprom_cb, |
| .memory = &oak_memory_cb, |
| .pd = &cros_pd_cb, |
| .psu = &generic_psu_battery_cb, |
| .sys = &oak_sys_cb, |
| .eventlog = &oak_eventlog_cb, |
| }; |
| |
| struct platform_cb kukui_cb = { |
| .ec = &cros_ec_cb, |
| .eeprom = &kukui_eeprom_cb, |
| .memory = &kukui_memory_cb, |
| .pd = &cros_pd_cb, |
| .psu = &generic_psu_battery_cb, |
| .sys = &kukui_sys_cb, |
| .eventlog = &oak_eventlog_cb, |
| }; |
| |
| struct platform_intf platform_oak = { |
| .type = PLATFORM_ARMV8, |
| .name = "Oak", |
| .sub = oak_sub, |
| .cb = &oak_cb, |
| .probe = &oak_probe, |
| .setup_post = &oak_setup_post, |
| .destroy = &oak_destroy, |
| }; |
| |
| struct platform_intf platform_kukui = { |
| .type = PLATFORM_ARMV8, |
| .name = "Kukui", |
| .sub = oak_sub, |
| .cb = &kukui_cb, |
| .probe = &kukui_probe, |
| .setup_post = &kukui_setup_post, |
| .destroy = &oak_destroy, |
| }; |
| |
| struct platform_intf platform_flapjack = { |
| .type = PLATFORM_ARMV8, |
| .name = "Flapjack", |
| .sub = oak_sub, |
| .cb = &kukui_cb, |
| .probe = &kukui_probe, |
| .setup_post = &kukui_setup_post, |
| .destroy = &oak_destroy, |
| }; |