google/gale: Initial commit for Gale board support
Copy 'storm' files as a template BUG=chrome-os-partner:49249 TEST=None. Initial code. Not sure if it will even compile BRANCH=none Original-Commit-Id: 4bfabf22cb33ac2aacff0ebeed54655664505148 Original-Change-Id: I94e361911b89c5159b99f3d00efbcda94f763e71 Original-Signed-off-by: Varadarajan Narayanan <varada@codeaurora.org> Original-Signed-off-by: Kan Yan <kyan@google.com> Original-Reviewed-on: https://chromium-review.googlesource.com/333177 Original-Commit-Ready: David Hendricks <dhendrix@chromium.org> Original-Tested-by: David Hendricks <dhendrix@chromium.org> Original-Reviewed-by: David Hendricks <dhendrix@chromium.org> squashed: google/gale: Remove unwanted config option 2016.02 doesn't seem to like CONSOLE_CBMEM_DUMP_TO_UART BUG=chrome-os-partner:49249 TEST=None. Initial code not sure if it will even compile BRANCH=none Original-Commit-Id: 44b91a8f83515936156206f9f273e0e5c62c3f17 Original-Change-Id: I9294ff602a05e4c9573fee3b9b51f9cc5305e192 Original-Signed-off-by: Varadarajan Narayanan <varada@codeaurora.org> Original-Reviewed-on: https://chromium-review.googlesource.com/333302 Original-Commit-Ready: David Hendricks <dhendrix@chromium.org> Original-Tested-by: David Hendricks <dhendrix@chromium.org> Original-Reviewed-by: David Hendricks <dhendrix@chromium.org> google/gale: Update ipq806x/storm references Since the files were taken from ipq806x/storm as template. Update those references to reflect ipq40xx/gale. BUG=chrome-os-partner:49249 TEST=None. Initial code not sure if it will even compile BRANCH=none Original-Commit-Id: fa5962b757dbb6cc9e1e6d1e33e1e09ec6cb4cd2 Original-Change-Id: Ia330367a0547ac4306ef2514dc1305e2d65f80e4 Original-Signed-off-by: Varadarajan Narayanan <varada@codeaurora.org> Original-Reviewed-on: https://chromium-review.googlesource.com/333292 Original-Commit-Ready: David Hendricks <dhendrix@chromium.org> Original-Tested-by: David Hendricks <dhendrix@chromium.org> Original-Reviewed-by: David Hendricks <dhendrix@chromium.org> google/gale: Update fill_lb_gpios for new scheme This updates fill_lb_gpios to follow the new scheme introduced in CL:337176. BUG=none BRANCH=none TEST=chromeos.c compiles successfully for gale Original-Commit-Id: 635d7fd71d91552bd7470faeb5637ba1a727f940 Original-Change-Id: I6f98325918b350645b9c19b71125bc12a54953ab Original-Signed-off-by: David Hendricks <dhendrix@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/338651 google/gale: Add '.fmd' file BUG=chrome-os-partner:49249 TEST=None. Initial code. Not sure if it will even compile BRANCH=none Original-Commit-Id: 474de31f7ed0adbe54251ca363e685019091b4e7 Original-Change-Id: I4019b110af676090e8751b315dadc5b601a56178 Original-Signed-off-by: Varadarajan Narayanan <varada@codeaurora.org> Original-Reviewed-on: https://chromium-review.googlesource.com/333291 Original-Commit-Ready: David Hendricks <dhendrix@chromium.org> Original-Tested-by: David Hendricks <dhendrix@chromium.org> Original-Reviewed-by: David Hendricks <dhendrix@chromium.org> Change-Id: Iad8e010371f3b9b92ab26eee4ba35c4f16d3732c Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Reviewed-on: https://review.coreboot.org/14642 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
This commit is contained in:
Varadarajan Narayanan
committed by
Patrick Georgi
Patrick Georgi
parent
dc17d2de34
commit
3bbd90173a
154
src/mainboard/google/gale/chromeos.c
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154
src/mainboard/google/gale/chromeos.c
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/*
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* This file is part of the coreboot project.
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*
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* Copyright 2014 Google Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <boardid.h>
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#include <boot/coreboot_tables.h>
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#include <console/console.h>
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#include <delay.h>
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#include <drivers/i2c/ww_ring/ww_ring.h>
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#include <gpio.h>
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#include <soc/cdp.h>
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#include <soc/gsbi.h>
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#include <string.h>
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#include <timer.h>
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#include <vendorcode/google/chromeos/chromeos.h>
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#define DEV_SW 15
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#define DEV_POL ACTIVE_LOW
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#define REC_SW 16
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#define REC_POL ACTIVE_LOW
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#define WP_SW 17
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#define WP_POL ACTIVE_LOW
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static int read_gpio(gpio_t gpio_num)
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{
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gpio_tlmm_config_set(gpio_num, GPIO_FUNC_DISABLE,
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GPIO_NO_PULL, GPIO_2MA, GPIO_DISABLE);
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udelay(10); /* Should be enough to settle. */
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return gpio_get(gpio_num);
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}
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void fill_lb_gpios(struct lb_gpios *gpios)
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{
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struct lb_gpio chromeos_gpios[] = {
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{DEV_SW, ACTIVE_LOW, read_gpio(DEV_SW), "developer"},
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{REC_SW, ACTIVE_LOW, read_gpio(REC_SW), "recovery"},
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{WP_SW, ACTIVE_LOW, read_gpio(WP_SW), "write protect"},
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{-1, ACTIVE_LOW, 1, "power"},
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{-1, ACTIVE_LOW, 0, "lid"},
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};
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lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
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}
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int get_developer_mode_switch(void)
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{
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return 0;
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}
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/*
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* The recovery switch on storm is overloaded: it needs to be pressed for a
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* certain duration at startup to signal different requests:
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*
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* - keeping it pressed for 8 to 16 seconds after startup signals the need for
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* factory reset (wipeout);
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* - keeping it pressed for longer than 16 seconds signals the need for Chrome
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* OS recovery.
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*
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* The state is read once and cached for following inquiries. The below enum
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* lists possible states.
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*/
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enum switch_state {
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not_probed = -1,
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no_req,
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recovery_req,
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wipeout_req
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};
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static void display_pattern(int pattern)
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{
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if (board_id() == BOARD_ID_WHIRLWIND_SP5)
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ww_ring_display_pattern(GSBI_ID_7, pattern);
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}
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#define WIPEOUT_MODE_DELAY_MS (8 * 1000)
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#define RECOVERY_MODE_EXTRA_DELAY_MS (8 * 1000)
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static enum switch_state get_switch_state(void)
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{
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struct stopwatch sw;
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int sampled_value;
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static enum switch_state saved_state = not_probed;
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if (saved_state != not_probed)
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return saved_state;
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sampled_value = read_gpio(REC_SW) ^ !REC_POL;
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if (!sampled_value) {
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saved_state = no_req;
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display_pattern(WWR_NORMAL_BOOT);
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return saved_state;
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}
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display_pattern(WWR_RECOVERY_PUSHED);
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printk(BIOS_INFO, "recovery button pressed\n");
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stopwatch_init_msecs_expire(&sw, WIPEOUT_MODE_DELAY_MS);
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do {
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sampled_value = read_gpio(REC_SW) ^ !REC_POL;
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if (!sampled_value)
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break;
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} while (!stopwatch_expired(&sw));
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if (sampled_value) {
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display_pattern(WWR_WIPEOUT_REQUEST);
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printk(BIOS_INFO, "wipeout requested, checking recovery\n");
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stopwatch_init_msecs_expire(&sw, RECOVERY_MODE_EXTRA_DELAY_MS);
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do {
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sampled_value = read_gpio(REC_SW) ^ !REC_POL;
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if (!sampled_value)
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break;
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} while (!stopwatch_expired(&sw));
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if (sampled_value) {
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saved_state = recovery_req;
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display_pattern(WWR_RECOVERY_REQUEST);
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printk(BIOS_INFO, "recovery requested\n");
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} else {
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saved_state = wipeout_req;
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}
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} else {
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saved_state = no_req;
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display_pattern(WWR_NORMAL_BOOT);
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}
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return saved_state;
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}
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int get_recovery_mode_switch(void)
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{
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return get_switch_state() == recovery_req;
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}
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int get_wipeout_mode_switch(void)
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{
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return get_switch_state() == wipeout_req;
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}
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int get_write_protect_state(void)
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{
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return read_gpio(WP_SW) ^ !WP_POL;
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}
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