| /* |
| * Copyright 2013, 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/gpio.h" |
| #include "drivers/google/cros_ec.h" |
| #include "drivers/samsung/exynos5420/gpio.h" |
| |
| #include "lib/file.h" |
| #include "lib/math.h" |
| #include "lib/probe.h" |
| |
| #include "peach.h" |
| |
| enum peach_board_config peach_board_config; |
| |
| struct probe_id { |
| const char *probe_name; |
| const char *canonical_name; |
| }; |
| |
| const char *peach_id_list_old[] = { |
| /* old style list for certain rarely-used commands (-S, -p) */ |
| "Google Peach Pit", |
| "Google Peach Kirby", |
| "Google Peach Pi", |
| NULL, |
| }; |
| |
| struct probe_id peach_id_list[] = { |
| { "Google Peach Pit", "Pit" }, |
| { "Google Peach Kirby", "Kirby" }, |
| { "Google Peach Pi", "Pi" }, |
| { NULL, NULL }, |
| }; |
| |
| struct platform_cmd *peach_sub[] = { |
| &cmd_ec, |
| &cmd_eeprom, |
| &cmd_gpio, |
| &cmd_memory, |
| &cmd_nvram, |
| &cmd_platform, |
| &cmd_eventlog, |
| NULL |
| }; |
| |
| int peach_probe(struct platform_intf *intf) |
| { |
| char *model = NULL; |
| int found = 0; |
| struct probe_id *id; |
| |
| model = fdt_model(); |
| if (!model) |
| return -1; |
| |
| for (id = &peach_id_list[0]; id && id->probe_name; id++) { |
| lprintf(LOG_DEBUG, "\"%s\" == \"%s\" ? ", |
| model, id->probe_name); |
| /* |
| * Allow for partial match since FDT-provided model may |
| * include extra revision info at the end. |
| */ |
| if (!strncmp(id->probe_name, model, strlen(id->probe_name))) { |
| lprintf(LOG_DEBUG, "yes\n"); |
| found = 1; |
| break; |
| } else { |
| lprintf(LOG_DEBUG, "no\n"); |
| } |
| } |
| |
| intf->name = id->canonical_name; |
| return found; |
| } |
| |
| struct id_map { |
| enum mvl3 v3, v2, v1, v0; |
| enum peach_board_config config; |
| }; |
| |
| struct id_map peach_pit_id_map[] = { |
| /* REV3 REV3 REV1 REV0 config */ |
| { LOGIC_0, LOGIC_0, LOGIC_0, LOGIC_0, PEACH_PIT_CONFIG_REV_0_0 }, |
| |
| /* For EVT board IDs, see chrome-os-partner:19179 (comment #2) */ |
| { LOGIC_0, LOGIC_0, LOGIC_Z, LOGIC_Z, PEACH_PIT_CONFIG_REV_3_0 }, |
| { LOGIC_0, LOGIC_1, LOGIC_1, LOGIC_0, PEACH_PIT_CONFIG_REV_4_0 }, |
| { LOGIC_0, LOGIC_1, LOGIC_Z, LOGIC_1, PEACH_PIT_CONFIG_REV_5_0 }, |
| { LOGIC_0, LOGIC_Z, LOGIC_0, LOGIC_Z, PEACH_PIT_CONFIG_REV_6_0 }, |
| |
| { LOGIC_0, LOGIC_Z, LOGIC_Z, LOGIC_0, PEACH_PIT_CONFIG_REV_7_0 }, |
| { LOGIC_0, LOGIC_Z, LOGIC_Z, LOGIC_Z, PEACH_PIT_CONFIG_REV_7_2 }, |
| |
| { LOGIC_1, LOGIC_1, LOGIC_Z, LOGIC_Z, PEACH_PIT_CONFIG_REV_9_0 }, |
| { LOGIC_1, LOGIC_Z, LOGIC_0, LOGIC_1, PEACH_PIT_CONFIG_REV_9_2 }, |
| |
| { LOGIC_1, LOGIC_Z, LOGIC_Z, LOGIC_1, PEACH_PIT_CONFIG_REV_A_0 }, |
| { LOGIC_Z, LOGIC_0, LOGIC_0, LOGIC_0, PEACH_PIT_CONFIG_REV_A_2 }, |
| |
| { LOGIC_Z, LOGIC_0, LOGIC_Z, LOGIC_0, PEACH_PIT_CONFIG_REV_B_0 }, |
| { LOGIC_Z, LOGIC_0, LOGIC_Z, LOGIC_Z, PEACH_PIT_CONFIG_REV_B_2 }, |
| |
| { LOGIC_Z, LOGIC_1, LOGIC_1, LOGIC_Z, PEACH_PIT_CONFIG_REV_C_0 }, |
| { LOGIC_Z, LOGIC_1, LOGIC_Z, LOGIC_1, PEACH_PIT_CONFIG_REV_C_2 }, |
| |
| { LOGIC_Z, LOGIC_Z, LOGIC_1, LOGIC_1, PEACH_PIT_CONFIG_REV_D_0 }, |
| { LOGIC_Z, LOGIC_Z, LOGIC_Z, LOGIC_0, PEACH_PIT_CONFIG_REV_D_2 }, |
| |
| { LOGIC_0, LOGIC_0, LOGIC_1, LOGIC_0, PEACH_PIT_CONFIG_REV_E_0 }, |
| { LOGIC_0, LOGIC_0, LOGIC_1, LOGIC_Z, PEACH_PIT_CONFIG_REV_E_2 }, |
| }; |
| |
| struct id_map peach_kirby_id_map[] = { |
| /* REV3 REV2 REV1 REV0 config */ |
| { LOGIC_0, LOGIC_0, LOGIC_0, LOGIC_0, PEACH_KIRBY_CONFIG_PROTO0 }, |
| { LOGIC_0, LOGIC_0, LOGIC_0, LOGIC_1, PEACH_KIRBY_CONFIG_PROTO1 }, |
| { LOGIC_0, LOGIC_0, LOGIC_0, LOGIC_Z, PEACH_KIRBY_CONFIG_EVT }, |
| { LOGIC_0, LOGIC_0, LOGIC_1, LOGIC_0, PEACH_KIRBY_CONFIG_DVT }, |
| { LOGIC_0, LOGIC_0, LOGIC_1, LOGIC_1, PEACH_KIRBY_CONFIG_PVT }, |
| { LOGIC_0, LOGIC_0, LOGIC_1, LOGIC_Z, PEACH_KIRBY_CONFIG_MP }, |
| |
| /* Strappings set aside, but not assigned a particular ID */ |
| { LOGIC_0, LOGIC_0, LOGIC_Z, LOGIC_0, PEACH_KIRBY_CONFIG_RSVD }, |
| { LOGIC_0, LOGIC_0, LOGIC_Z, LOGIC_1, PEACH_KIRBY_CONFIG_RSVD }, |
| { LOGIC_0, LOGIC_0, LOGIC_Z, LOGIC_Z, PEACH_KIRBY_CONFIG_RSVD }, |
| }; |
| struct id_map peach_pi_id_map[] = { |
| /* REV3 REV3 REV1 REV0 config */ |
| { LOGIC_1, LOGIC_1, LOGIC_Z, LOGIC_0, PEACH_PI_CONFIG_REV_8_4 }, |
| { LOGIC_1, LOGIC_Z, LOGIC_1, LOGIC_Z, PEACH_PI_CONFIG_REV_9_4 }, |
| { LOGIC_Z, LOGIC_0, LOGIC_0, LOGIC_1, PEACH_PI_CONFIG_REV_A_6 }, |
| { LOGIC_Z, LOGIC_1, LOGIC_1, LOGIC_0, PEACH_PI_CONFIG_REV_B_6 }, |
| { LOGIC_Z, LOGIC_Z, LOGIC_0, LOGIC_Z, PEACH_PI_CONFIG_REV_C_6 }, |
| { LOGIC_0, LOGIC_0, LOGIC_0, LOGIC_1, PEACH_PI_CONFIG_REV_D_6 }, |
| { LOGIC_0, LOGIC_1, LOGIC_0, LOGIC_1, PEACH_PI_CONFIG_REV_E_6 }, |
| }; |
| |
| static int get_peach_board_config(struct platform_intf *intf) |
| { |
| int i, count; |
| struct gpio_map *rev0, *rev1, *rev2, *rev3; |
| enum mvl3 v0, v1, v2, v3; |
| enum peach_board_config config = PEACH_CONFIG_UNKNOWN; |
| struct id_map *map; |
| char logic[] = { |
| [LOGIC_Z] = 'Z', |
| [LOGIC_0] = '0', |
| [LOGIC_1] = '1', |
| }; |
| |
| if (!strcmp(intf->name, "Pit")) { |
| map = peach_pit_id_map; |
| count = ARRAY_SIZE(peach_pit_id_map); |
| } else if (!strcmp(intf->name, "Kirby")) { |
| map = peach_kirby_id_map; |
| count = ARRAY_SIZE(peach_kirby_id_map); |
| } else if (!strcmp(intf->name, "Pi")) { |
| map = peach_pi_id_map; |
| count = ARRAY_SIZE(peach_pi_id_map); |
| } else { |
| return PEACH_CONFIG_UNKNOWN; |
| } |
| |
| rev3 = intf->cb->gpio->map(intf, PEACH_BOARD_REV3); |
| rev2 = intf->cb->gpio->map(intf, PEACH_BOARD_REV2); |
| rev1 = intf->cb->gpio->map(intf, PEACH_BOARD_REV1); |
| rev0 = intf->cb->gpio->map(intf, PEACH_BOARD_REV0); |
| if (!rev3 || !rev2 || !rev1 || !rev0) { |
| lprintf(LOG_DEBUG, "%s: Unable to determine board " |
| "revision\n", __func__); |
| return PEACH_CONFIG_UNKNOWN; |
| } |
| |
| v3 = exynos5420_read_gpio_mvl(intf, rev3); |
| v2 = exynos5420_read_gpio_mvl(intf, rev2); |
| v1 = exynos5420_read_gpio_mvl(intf, rev1); |
| v0 = exynos5420_read_gpio_mvl(intf, rev0); |
| lprintf(LOG_DEBUG, "%s: v3: %c, v2: %c, v1: %c, v0: %c\n", |
| __func__, logic[v3], logic[v2], logic[v1], logic[v0]); |
| |
| for (i = 0; i < count; i++) { |
| if ((v3 == map[i].v3) && |
| (v2 == map[i].v2) && |
| (v1 == map[i].v1) && |
| (v0 == map[i].v0)) { |
| config = map[i].config; |
| break; |
| } |
| } |
| |
| return config; |
| } |
| |
| static int peach_setup_post(struct platform_intf *intf) |
| { |
| peach_board_config = get_peach_board_config(intf); |
| if (peach_board_config == PEACH_CONFIG_UNKNOWN) |
| return -1; |
| |
| if (peach_ec_setup(intf) <= 0) |
| return -1; |
| |
| return 0; |
| } |
| |
| static int peach_destroy(struct platform_intf *intf) |
| { |
| intf->cb->ec->destroy(intf); |
| return 0; |
| } |
| |
| struct eventlog_cb peach_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 peach_cb = { |
| .ec = &cros_ec_cb, |
| .eeprom = &peach_eeprom_cb, |
| .gpio = &peach_gpio_cb, |
| .memory = &peach_memory_cb, |
| .nvram = &cros_ec_nvram_cb, |
| .sys = &peach_sys_cb, |
| .eventlog = &peach_eventlog_cb, |
| }; |
| |
| struct platform_intf platform_peach = { |
| .type = PLATFORM_ARMV7, |
| .name = "Peach", |
| .id_list = peach_id_list_old, |
| .sub = peach_sub, |
| .cb = &peach_cb, |
| .probe = &peach_probe, |
| .setup_post = &peach_setup_post, |
| .destroy = &peach_destroy, |
| }; |