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64a4e6b704
Cr50 cannot override the state of the power button. It was possible with dev cr50 chips, but the capability was removed in prod chips. Change the console command, so it is only used to get the state of the power button. Remove all of the commands used to override the power button. BUG=b:73557298 BRANCH=none TEST=none Change-Id: I99cb5e8a18dd972fba460c434364702f06a26305 Signed-off-by: Mary Ruthven <mruthven@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/926964 Reviewed-by: Randall Spangler <rspangler@chromium.org> Reviewed-by: Vadim Bendebury <vbendeb@chromium.org> Reviewed-by: Brian Norris <briannorris@chromium.org>
91 lines
3.0 KiB
C
91 lines
3.0 KiB
C
/* Copyright 2016 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "clock.h"
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#include "hooks.h"
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#include "registers.h"
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#include "timer.h"
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#define POWER_BUTTON 2
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int rbox_powerbtn_is_pressed(void)
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{
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return !GREAD_FIELD(RBOX, CHECK_OUTPUT, PWRB_OUT);
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}
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static void rbox_release_ec_reset(void)
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{
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/* Unfreeze the PINMUX */
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GREG32(PINMUX, HOLD) = 0;
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/* Allow some time for outputs to stabilize. */
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usleep(500);
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/* Let the EC go (the RO bootloader asserts it ASAP after POR) */
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GREG32(RBOX, ASSERT_EC_RST) = 0;
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}
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DECLARE_HOOK(HOOK_INIT, rbox_release_ec_reset, HOOK_PRIO_LAST);
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static void rbox_init(void)
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{
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/* Enable RBOX */
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clock_enable_module(MODULE_RBOX, 1);
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/* Clear any interrupt bits (write 1's to clear) */
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GREG32(RBOX, INT_STATE) = 0xffffffff;
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/* Clear any wakeup bits (write 0x2, then 0x0) */
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GREG32(RBOX, WAKEUP) = GC_RBOX_WAKEUP_CLEAR_MASK;
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GREG32(RBOX, WAKEUP) = 0;
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/* Override rbox fuses and setup correct behavior */
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GWRITE(RBOX, DEBUG_CLK10HZ_COUNT, 0x63ff);
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GWRITE(RBOX, DEBUG_SHORT_DELAY_COUNT, 0x4ff);
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GWRITE(RBOX, DEBUG_LONG_DELAY_COUNT, 0x31);
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GWRITE(RBOX, DEBUG_DEBOUNCE, 0x4);
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GWRITE(RBOX, DEBUG_KEY_COMBO0, 0xC0);
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GWRITE(RBOX, DEBUG_KEY_COMBO1, 0x0);
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GWRITE(RBOX, DEBUG_KEY_COMBO2, 0x0);
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/* DEBUG_BLOCK_OUTPUT value should be 0x7 */
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GWRITE(RBOX, DEBUG_BLOCK_OUTPUT,
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GC_RBOX_DEBUG_BLOCK_OUTPUT_KEY0_SEL_MASK |
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GC_RBOX_DEBUG_BLOCK_OUTPUT_KEY1_SEL_MASK |
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GC_RBOX_DEBUG_BLOCK_OUTPUT_KEY0_VAL_MASK);
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/* DEBUG_POL value should be 0x21 */
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GWRITE(RBOX, DEBUG_POL,
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0x1 << GC_RBOX_DEBUG_POL_AC_PRESENT_LSB |
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0x0 << GC_RBOX_DEBUG_POL_PWRB_IN_LSB |
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0x0 << GC_RBOX_DEBUG_POL_PWRB_OUT_LSB |
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0x0 << GC_RBOX_DEBUG_POL_KEY0_IN_LSB |
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0x0 << GC_RBOX_DEBUG_POL_KEY0_OUT_LSB |
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0x1 << GC_RBOX_DEBUG_POL_KEY1_IN_LSB |
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0x0 << GC_RBOX_DEBUG_POL_KEY1_OUT_LSB |
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0x0 << GC_RBOX_DEBUG_POL_EC_RST_LSB |
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0x0 << GC_RBOX_DEBUG_POL_BATT_DISABLE_LSB);
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/* DEBUG_TERM value should be 0x1204 */
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GWRITE(RBOX, DEBUG_TERM,
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0x0 << GC_RBOX_DEBUG_TERM_AC_PRESENT_LSB |
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0x1 << GC_RBOX_DEBUG_TERM_ENTERING_RW_LSB |
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0x0 << GC_RBOX_DEBUG_TERM_PWRB_IN_LSB |
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0x0 << GC_RBOX_DEBUG_TERM_PWRB_OUT_LSB |
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0x2 << GC_RBOX_DEBUG_TERM_KEY0_IN_LSB |
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0x0 << GC_RBOX_DEBUG_TERM_KEY0_OUT_LSB |
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0x1 << GC_RBOX_DEBUG_TERM_KEY1_IN_LSB |
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0x0 << GC_RBOX_DEBUG_TERM_KEY1_OUT_LSB);
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/* DEBUG_DRIVE value should be 0x157 */
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GWRITE(RBOX, DEBUG_DRIVE,
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0x3 << GC_RBOX_DEBUG_DRIVE_PWRB_OUT_LSB |
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0x1 << GC_RBOX_DEBUG_DRIVE_KEY0_OUT_LSB |
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0x1 << GC_RBOX_DEBUG_DRIVE_KEY1_OUT_LSB |
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0x1 << GC_RBOX_DEBUG_DRIVE_EC_RST_LSB |
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0x1 << GC_RBOX_DEBUG_DRIVE_BATT_DISABLE_LSB);
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/* FUSE_CTRL value should be 0x3 */
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GWRITE(RBOX, FUSE_CTRL,
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GC_RBOX_FUSE_CTRL_OVERRIDE_FUSE_MASK |
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GC_RBOX_FUSE_CTRL_OVERRIDE_FUSE_READY_MASK);
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}
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DECLARE_HOOK(HOOK_INIT, rbox_init, HOOK_PRIO_DEFAULT - 1);
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