sravan/system76-embedded-controller
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Get system to PLT_RST# assertion

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This commit is contained in:
Jeremy Soller
2019-11-06 11:34:32 -07:00
parent 037f0d54d7
commit 01ef00a777
2 changed files with 85 additions and 24 deletions
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2
src/board/system76/galp3-c/gpio.c
View File

@@ -110,7 +110,7 @@ void gpio_debug_bank(
) { ) {
for(char i = 0; i < 8; i++) { for(char i = 0; i < 8; i++) {
printf( printf(
"%s%d data %d mirror %d pot %d control %02X\n", "%s%d:\n\tdata %d\n\tmirror %d\n\tpot %d\n\tcontrol %02X\n",
bank, bank,
i, i,
(data >> i) & 1, (data >> i) & 1,

107
src/board/system76/galp3-c/main.c
View File

@@ -81,29 +81,34 @@ void power_button() {
static struct Gpio __code PCH_PWROK_EC = GPIO(A, 4); static struct Gpio __code PCH_PWROK_EC = GPIO(A, 4);
static struct Gpio __code LED_PWR = GPIO(A, 7); static struct Gpio __code LED_PWR = GPIO(A, 7);
static struct Gpio __code ALL_SYS_PWRGD = GPIO(C, 0); static struct Gpio __code ALL_SYS_PWRGD = GPIO(C, 0);
static struct Gpio __code PM_PWROK = GPIO(C, 6);
static struct Gpio __code PWR_SW_N = GPIO(D, 0); static struct Gpio __code PWR_SW_N = GPIO(D, 0);
static struct Gpio __code BUF_PLT_RST_N = GPIO(D, 2);
static struct Gpio __code PWR_BTN_N = GPIO(D, 5); static struct Gpio __code PWR_BTN_N = GPIO(D, 5);
static struct Gpio __code SUSWARN_N = GPIO(D, 7);
static struct Gpio __code EC_EN = GPIO(E, 1); static struct Gpio __code EC_EN = GPIO(E, 1);
static struct Gpio __code VA_EC_EN = GPIO(E, 3);
static struct Gpio __code DD_ON = GPIO(E, 4); static struct Gpio __code DD_ON = GPIO(E, 4);
static struct Gpio __code EC_RSMRST_N = GPIO(E, 5); static struct Gpio __code EC_RSMRST_N = GPIO(E, 5);
static struct Gpio __code VA_EC_EN = GPIO(E, 7); static struct Gpio __code AC_PRESENT = GPIO(E, 7);
static struct Gpio __code SUSC_N_PCH = GPIO(H, 1); static struct Gpio __code SUSC_N_PCH = GPIO(H, 1);
static struct Gpio __code VR_ON = GPIO(H, 4); static struct Gpio __code VR_ON = GPIO(H, 4);
static struct Gpio __code SUSB_N_PCH = GPIO(H, 6); static struct Gpio __code SUSB_N_PCH = GPIO(H, 6);
static struct Gpio __code SLP_SUS_N = GPIO(I, 2); static struct Gpio __code SLP_SUS_N = GPIO(I, 2);
static struct Gpio __code SUS_PWR_ACK = GPIO(J, 0); static struct Gpio __code SUS_PWR_ACK = GPIO(J, 0);
static bool power = false;
// Check if the power switch goes low // Check if the power switch goes low
static bool last = false; static bool last = false;
bool new = gpio_get(&PWR_SW_N); bool new = gpio_get(&PWR_SW_N);
if (!new && last) { if (!new && last) {
printf("Power switch press\n"); printf("Power switch press\n");
static bool power = false;
power = !power; power = !power;
if (power) { if (power) {
printf("Enabling power\n"); printf("Enabling S5 power\n");
// We assume that VCCRTC has already been stable, RTCRST# is // We assume that VCCRTC has already been stable, RTCRST# is
// already set, and VCCDSW_3P3 is stable // already set, and VCCDSW_3P3 is stable
@@ -122,9 +127,9 @@ void power_button() {
// Wait for SLP_SUS# (tPCH32) // Wait for SLP_SUS# (tPCH32)
delay_ms(95); delay_ms(95);
for (;;) { for (;;) {
bool slp_sus = gpio_get(&SLP_SUS_N); bool value = gpio_get(&SLP_SUS_N);
printf("SLP_SUS_N: %d\n", slp_sus); printf("SLP_SUS_N: %d\n", value);
if (slp_sus) break; if (value) break;
delay_ms(1); delay_ms(1);
} }
@@ -144,28 +149,78 @@ void power_button() {
printf("EC_RSMRST_N: %d\n", power); printf("EC_RSMRST_N: %d\n", power);
gpio_set(&EC_RSMRST_N, power); gpio_set(&EC_RSMRST_N, power);
// printf("SUS_PWR_ACK: %d\n", power); // Allow processor to control SUSB# and SUSC#
// gpio_set(&SUS_PWR_ACK, power); printf("EC_EN: %d\n", power);
// gpio_set(&EC_EN, power);
// // Wait for tPCH03
// delay_ms(10); // Assert SUS_ACK#
// printf("SUS_PWR_ACK: %d\n", power);
// printf(" gpio_set(&SUS_PWR_ACK, power);
// printf("EC_EN: %d\n", power);
// gpio_set(&EC_EN, power);
//
// printf("VR_ON: %d\n", power); // printf("VR_ON: %d\n", power);
// gpio_set(&VR_ON, power); // gpio_set(&VR_ON, power);
}
}
printf("LED_PWR: %d\n", power); // Set PWR_BTN line!
gpio_set(&LED_PWR, power); gpio_set(&PWR_BTN_N, new);
if (!new && last) {
if (power) {
printf("Enabling S0 power\n");
// Wait for ALL_SYS_PWRGD
for (;;) {
bool value = gpio_get(&ALL_SYS_PWRGD);
printf("ALL_SYS_PWRGD: %d\n", value);
if (value) break;
delay_ms(1);
}
// Assert VR_ON
printf("VR_ON: %d\n", power);
gpio_set(&VR_ON, power);
// Assert PM_PWEROK, PCH_PWROK will be asserted when H_VR_READY is
printf("PM_PWROK: %d\n", power);
gpio_set(&PM_PWROK, power);
// OEM defined delay from ALL_SYS_PWRGD to SYS_PWROK - TODO
delay_ms(10);
// Assert PCH_PWEROK_EC, SYS_PWEROK will be asserted
printf("PCH_PWROK_EC: %d\n", power);
gpio_set(&PCH_PWROK_EC, power);
// Wait for PLT_RST#
for (;;) {
bool value = gpio_get(&BUF_PLT_RST_N);
printf("BUF_PLT_RST_N: %d\n", value);
if (value) break;
delay_ms(1);
}
} else { } else {
//TODO
printf("Disabling power\n"); printf("Disabling power\n");
printf("LED_PWR: %d\n", power); // De-assert SUS_ACK#
gpio_set(&LED_PWR, power); printf("SUS_PWR_ACK: %d\n", power);
gpio_set(&SUS_PWR_ACK, power);
// De-assert PCH_PWEROK_EC, SYS_PWEROK will be de-asserted
printf("PCH_PWROK_EC: %d\n", power);
gpio_set(&PCH_PWROK_EC, power);
// De-assert PM_PWEROK, PCH_PWROK will be de-asserted
printf("PM_PWROK: %d\n", power);
gpio_set(&PM_PWROK, power);
// De-assert VR_ON
printf("VR_ON: %d\n", power);
gpio_set(&VR_ON, power);
// Block processor from controlling SUSB# and SUSC#
printf("EC_EN: %d\n", power);
gpio_set(&EC_EN, power);
// De-assert RSMRST# // De-assert RSMRST#
printf("EC_RSMRST_N: %d\n", power); printf("EC_RSMRST_N: %d\n", power);
@@ -192,16 +247,22 @@ void power_button() {
// Disable battery charger // Disable battery charger
battery_charger_disable(); battery_charger_disable();
} }
printf("LED_PWR: %d\n", power);
gpio_set(&LED_PWR, power);
} else if (new && !last) { } else if (new && !last) {
printf("Power switch release\n"); printf("Power switch release\n");
printf("SUSWARN_N: %d\n", gpio_get(&SUSWARN_N));
printf("SUSC_N_PCH: %d\n", gpio_get(&SUSC_N_PCH));
printf("SUSB_N_PCH: %d\n", gpio_get(&SUSB_N_PCH));
printf("ALL_SYS_PWRGD: %d\n", gpio_get(&ALL_SYS_PWRGD)); printf("ALL_SYS_PWRGD: %d\n", gpio_get(&ALL_SYS_PWRGD));
printf("BUF_PLT_RST_N: %d\n", gpio_get(&BUF_PLT_RST_N));
battery_debug(); battery_debug();
} }
last = new;
gpio_set(&PWR_BTN_N, new); last = new;
} }
void touchpad_event(struct Ps2 * ps2) { void touchpad_event(struct Ps2 * ps2) {