diff options
Diffstat (limited to 'chip/g/rbox.c')
| -rw-r--r-- | chip/g/rbox.c | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/chip/g/rbox.c b/chip/g/rbox.c new file mode 100644 index 0000000000..56c58b72df --- /dev/null +++ b/chip/g/rbox.c @@ -0,0 +1,88 @@ +/* Copyright 2016 The Chromium OS Authors. All rights reserved. + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +#include "clock.h" +#include "gpio.h" +#include "hooks.h" +#include "rbox.h" +#include "task.h" + +#ifdef CONFIG_RBOX_DEBUG +RBOX_INT(KEY0_IN_FED, "KEY0 pressed"); +RBOX_INT(KEY0_IN_RED, "KEY0 released"); +RBOX_INT(KEY1_IN_FED, "KEY1 pressed"); +RBOX_INT(KEY1_IN_RED, "KEY1 released"); +RBOX_INT(PWRB_IN_FED, "PWRB pressed"); +RBOX_INT(PWRB_IN_RED, "PWRB released"); +RBOX_INT(EC_RST_RED, "EC RST rising"); +RBOX_INT(EC_RST_FED, "EC RST falling"); +RBOX_INT(AC_PRESENT_RED, "AC attached"); +RBOX_INT(AC_PRESENT_FED, "AC detached"); + +RBOX_INT(BUTTON_COMBO0_RDY, "COMBO0"); +RBOX_INT(BUTTON_COMBO1_RDY, "COMBO1"); +RBOX_INT(BUTTON_COMBO2_RDY, "COMBO2"); + +static void enable_interrupts(void) +{ + ENABLE_INT_RF(ENTERING_RW); + ENABLE_INT_RF(AC_PRESENT); + ENABLE_INT_RF(PWRB_IN); + ENABLE_INT_RF(KEY1_IN); + ENABLE_INT_RF(KEY0_IN); + ENABLE_INT_RF(EC_RST); + ENABLE_INT(BUTTON_COMBO0_RDY); + ENABLE_INT(BUTTON_COMBO1_RDY); + ENABLE_INT(BUTTON_COMBO2_RDY); + + task_enable_irq(GC_IRQNUM_RBOX0_INTR_AC_PRESENT_FED_INT); + task_enable_irq(GC_IRQNUM_RBOX0_INTR_AC_PRESENT_RED_INT); + + task_enable_irq(GC_IRQNUM_RBOX0_INTR_PWRB_IN_FED_INT); + task_enable_irq(GC_IRQNUM_RBOX0_INTR_PWRB_IN_RED_INT); + + task_enable_irq(GC_IRQNUM_RBOX0_INTR_KEY0_IN_RED_INT); + task_enable_irq(GC_IRQNUM_RBOX0_INTR_KEY0_IN_FED_INT); + + task_enable_irq(GC_IRQNUM_RBOX0_INTR_KEY1_IN_RED_INT); + task_enable_irq(GC_IRQNUM_RBOX0_INTR_KEY1_IN_FED_INT); + + task_enable_irq(GC_IRQNUM_RBOX0_INTR_EC_RST_RED_INT); + task_enable_irq(GC_IRQNUM_RBOX0_INTR_EC_RST_FED_INT); + + task_enable_irq(GC_IRQNUM_RBOX0_INTR_BUTTON_COMBO0_RDY_INT); + task_enable_irq(GC_IRQNUM_RBOX0_INTR_BUTTON_COMBO1_RDY_INT); + task_enable_irq(GC_IRQNUM_RBOX0_INTR_BUTTON_COMBO2_RDY_INT); +} +#endif + +void rbox_init(void) +{ + /* Enable RBOX */ + clock_enable_module(MODULE_RBOX, 1); + + /* Clear existing interrupts */ + GWRITE(RBOX, WAKEUP_CLEAR, 1); + GWRITE(RBOX, INT_STATE, 1); + + /* Make sure fuse override is not already enabled */ + GWRITE(RBOX, FUSE_CTRL, 0); + + /* Block output from key0 and 1 when power button is pressed */ + GWRITE_FIELD(RBOX, DEBUG_BLOCK_OUTPUT, KEY0_SEL, 1); + GWRITE_FIELD(RBOX, DEBUG_BLOCK_OUTPUT, KEY1_SEL, 1); + + /* Increase debounce */ + GWRITE_FIELD(RBOX, DEBUG_DEBOUNCE, PERIOD, 15); + + /* Enable debug override */ + GWRITE_FIELD(RBOX, FUSE_CTRL, OVERRIDE_FUSE, 1); + GWRITE_FIELD(RBOX, FUSE_CTRL, OVERRIDE_FUSE_READY, 1); + +#ifdef CONFIG_RBOX_DEBUG + enable_interrupts(); +#endif +} +DECLARE_HOOK(HOOK_INIT, rbox_init, HOOK_PRIO_DEFAULT); |