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Begin work on power sequence

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This commit is contained in:
Jeremy Soller
2019-11-06 09:11:19 -07:00
parent 665f64a0a9
commit 037f0d54d7
2 changed files with 115 additions and 9 deletions
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1
src/board/system76/galp3-c/include/board/battery.h
View File

@@ -1,6 +1,7 @@
#ifndef _BOARD_BATTERY_H
#define _BOARD_BATTERY_H
void battery_charger_disable(void);
void battery_charger_enable(void);
void battery_debug(void);

123
src/board/system76/galp3-c/main.c
View File

@@ -77,21 +77,127 @@ void ac_adapter() {
}
void power_button() {
static struct Gpio __code PWR_SW_N = GPIO(D, 0);
static struct Gpio __code PWR_BTN_N = GPIO(D, 5);
//static struct Gpio __code DD_ON = GPIO(E, 4);
static bool last = false;
static struct Gpio __code PCH_DPWROK_EC = GPIO(A, 3);
static struct Gpio __code PCH_PWROK_EC = GPIO(A, 4);
static struct Gpio __code LED_PWR = GPIO(A, 7);
static struct Gpio __code ALL_SYS_PWRGD = GPIO(C, 0);
static struct Gpio __code PWR_SW_N = GPIO(D, 0);
static struct Gpio __code PWR_BTN_N = GPIO(D, 5);
static struct Gpio __code EC_EN = GPIO(E, 1);
static struct Gpio __code DD_ON = GPIO(E, 4);
static struct Gpio __code EC_RSMRST_N = GPIO(E, 5);
static struct Gpio __code VA_EC_EN = GPIO(E, 7);
static struct Gpio __code SUSC_N_PCH = GPIO(H, 1);
static struct Gpio __code VR_ON = GPIO(H, 4);
static struct Gpio __code SUSB_N_PCH = GPIO(H, 6);
static struct Gpio __code SLP_SUS_N = GPIO(I, 2);
static struct Gpio __code SUS_PWR_ACK = GPIO(J, 0);
// Check if the power switch goes low
static bool last = false;
bool new = gpio_get(&PWR_SW_N);
if (!new && last) {
printf("Power switch\n");
printf("Power switch press\n");
// battery_charger_enable();
static bool power = false;
power = !power;
if (power) {
printf("Enabling power\n");
// We assume that VCCRTC has already been stable, RTCRST# is
// already set, and VCCDSW_3P3 is stable
// Enable battery charger - also provides correct power levels for
// system boot sourced from the AC adapter
battery_charger_enable();
// Make sure VCCDSW is stable for at least 10 ms (tPCH02)
delay_ms(10 + 5);
// Assert DSW_PWROK
printf("PCH_DPWROK_EC: %d\n", power);
gpio_set(&PCH_DPWROK_EC, power);
// Wait for SLP_SUS# (tPCH32)
delay_ms(95);
for (;;) {
bool slp_sus = gpio_get(&SLP_SUS_N);
printf("SLP_SUS_N: %d\n", slp_sus);
if (slp_sus) break;
delay_ms(1);
}
// Enable VCCPRIM_* planes - must be enabled prior to USB power
// in order to avoid leakage
printf("VA_EC_EN: %d\n", power);
gpio_set(&VA_EC_EN, power);
// Make sure VCCPRIM_* is stable for at least 10 ms (tPCH03)
delay_ms(10 + 5);
// Enable VDD5
printf("DD_ON: %d\n", power);
gpio_set(&DD_ON, power);
// Assert RSMRST#
printf("EC_RSMRST_N: %d\n", power);
gpio_set(&EC_RSMRST_N, power);
// printf("SUS_PWR_ACK: %d\n", power);
// gpio_set(&SUS_PWR_ACK, power);
//
// // Wait for tPCH03
// delay_ms(10);
//
// printf("
// printf("EC_EN: %d\n", power);
// gpio_set(&EC_EN, power);
//
// printf("VR_ON: %d\n", power);
// gpio_set(&VR_ON, power);
printf("LED_PWR: %d\n", power);
gpio_set(&LED_PWR, power);
} else {
//TODO
printf("Disabling power\n");
printf("LED_PWR: %d\n", power);
gpio_set(&LED_PWR, power);
// De-assert RSMRST#
printf("EC_RSMRST_N: %d\n", power);
gpio_set(&EC_RSMRST_N, power);
// Disable VDD5
printf("DD_ON: %d\n", power);
gpio_set(&DD_ON, power);
// Wait a minimum of 400 ns (tPCH12)
delay_ms(1);
// Disable VCCPRIM_* planes
printf("VA_EC_EN: %d\n", power);
gpio_set(&VA_EC_EN, power);
// De-assert DSW_PWROK
printf("PCH_DPWROK_EC: %d\n", power);
gpio_set(&PCH_DPWROK_EC, power);
// Wait a minimum of 400 ns (tPCH14)
delay_ms(1);
// Disable battery charger
battery_charger_disable();
}
} else if (new && !last) {
printf("Power switch release\n");
printf("ALL_SYS_PWRGD: %d\n", gpio_get(&ALL_SYS_PWRGD));
battery_debug();
//gpio_set(&DD_ON, true);
}
last = new;
@@ -102,7 +208,6 @@ void touchpad_event(struct Ps2 * ps2) {
//TODO
}
struct Gpio __code LED_PWR = GPIO(A, 7);
struct Gpio __code LED_SSD_N = GPIO(G, 6);
struct Gpio __code LED_AIRPLANE_N = GPIO(G, 6);