1 /* SPDX-License-Identifier: GPL-2.0-only */
4 #include <boot/coreboot_tables.h>
5 #include <drivers/tpm/cr50.h>
10 void setup_chromeos_gpios(void)
13 gpio_input_pullup(GPIO_EC_AP_INT
);
14 gpio_input_pullup(GPIO_SD_CD
);
15 gpio_input_pullup(GPIO_EC_IN_RW
);
16 gpio_input_pullup(GPIO_GSC_AP_INT
);
17 gpio_output(GPIO_EN_SPK
, 0);
18 gpio_output(GPIO_RESET
, 0);
19 gpio_output(GPIO_XHCI_DONE
, 0);
20 if (CONFIG(CHERRY_USE_RT1019
))
21 gpio_output(GPIO_BEEP_ON
, 0);
22 else if (CONFIG(CHERRY_USE_RT1011
))
23 gpio_output(GPIO_RST_RT1011
, 0);
26 void fill_lb_gpios(struct lb_gpios
*gpios
)
28 struct lb_gpio chromeos_gpios
[] = {
29 {GPIO_EC_AP_INT
.id
, ACTIVE_LOW
, -1, "EC interrupt"},
30 {GPIO_SD_CD
.id
, ACTIVE_LOW
, -1, "SD card detect"},
31 {GPIO_EC_IN_RW
.id
, ACTIVE_LOW
, -1, "EC in RW"},
33 * The GPIO_GSC_AP_INT itself is active low, but the payloads will
34 * create the IRQ using its eint driver, which is active high.
36 {GPIO_GSC_AP_INT
.id
, ACTIVE_HIGH
, -1, "TPM interrupt"},
39 struct lb_gpio rt1019_gpios
[] = {
40 {GPIO_BEEP_ON
.id
, ACTIVE_HIGH
, -1, "beep enable"},
41 {GPIO_EN_SPK
.id
, ACTIVE_HIGH
, -1, "speaker enable"},
44 struct lb_gpio rt1011_gpios
[] = {
45 {GPIO_RST_RT1011
.id
, ACTIVE_HIGH
, -1, "rt1011 reset"},
46 {GPIO_EN_SPK
.id
, ACTIVE_HIGH
, -1, "speaker enable"},
49 struct lb_gpio spk_gpios
[] = {
50 {GPIO_EN_SPK
.id
, ACTIVE_HIGH
, -1, "speaker enable"},
53 lb_add_gpios(gpios
, chromeos_gpios
, ARRAY_SIZE(chromeos_gpios
));
55 if (CONFIG(CHERRY_USE_RT1019
))
56 lb_add_gpios(gpios
, rt1019_gpios
, ARRAY_SIZE(rt1019_gpios
));
57 else if (CONFIG(CHERRY_USE_RT1011
))
58 lb_add_gpios(gpios
, rt1011_gpios
, ARRAY_SIZE(rt1011_gpios
));
59 else if (CONFIG(CHERRY_USE_MAX98390
))
60 lb_add_gpios(gpios
, spk_gpios
, ARRAY_SIZE(spk_gpios
));
63 int cr50_plat_irq_status(void)
65 return gpio_eint_poll(GPIO_GSC_AP_INT
);
68 int get_ec_is_trusted(void)
70 /* EC is trusted if not in RW. This is active low. */
71 return !!gpio_get(GPIO_EC_IN_RW
);