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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2025 NXP
*/
#include <env.h>
#include <efi_loader.h>
#include <i2c.h>
#include <init.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch-imx9/imx93_pins.h>
#include <asm/arch/clock.h>
#include <asm/mach-imx/boot_mode.h>
#include <dm/device.h>
#include <dm/uclass.h>
#if IS_ENABLED(CONFIG_EFI_HAVE_CAPSULE_SUPPORT)
#define IMX_BOOT_IMAGE_GUID \
EFI_GUID(0x6f86db61, 0xcda9, 0x489a, 0xbd, 0x36, \
0x2f, 0x7c, 0x65, 0x1c, 0xa6, 0x5d)
struct efi_fw_image fw_images[] = {
{
.image_type_id = IMX_BOOT_IMAGE_GUID,
.fw_name = u"IMX93-11X11-FRDM-RAW",
.image_index = 1,
},
};
struct efi_capsule_update_info update_info = {
.dfu_string = "mmc 0=flash-bin raw 0 0x2000 mmcpart 1",
.num_images = ARRAY_SIZE(fw_images),
.images = fw_images,
};
#endif /* EFI_HAVE_CAPSULE_SUPPORT */
#define TCPC_ALERT 0x10
#define TCPC_ALERT_MASK 0x12
#define TCPC_FAULT_STATUS_MASK 0x15
#define TCPC1_I2C_BUS 2
#define TCPC1_I2C_ADDR 0x50
/*
* Mask all interrupts and clear alert status for the PTN5110 TCPC USB Power
* Delivery controller. This is required to avoid an interrupt storm on OS
* startup, since the interrupt line for the PTN5110 is shared also by the
* PCAL6524 I/O expander.
*/
static int clear_pd_alert(void)
{
struct udevice *bus;
struct udevice *i2c_dev = NULL;
int ret;
u8 buffer_0[2] = {0, 0};
u8 buffer_1[2] = {0xff, 0xff};
ret = uclass_get_device_by_seq(UCLASS_I2C, TCPC1_I2C_BUS, &bus);
if (ret) {
printf("Failed to get I2C bus %d\n", TCPC1_I2C_BUS);
return ret;
}
ret = dm_i2c_probe(bus, TCPC1_I2C_ADDR, 0, &i2c_dev);
if (ret) {
printf("Can't find USB PD device at 0x%02x\n", TCPC1_I2C_ADDR);
return ret;
}
/* Mask all alert status*/
ret = dm_i2c_write(i2c_dev, TCPC_ALERT_MASK, buffer_0, 2);
if (ret) {
printf("%s dm_i2c_write failed: %d\n", __func__, ret);
return ret;
}
ret = dm_i2c_write(i2c_dev, TCPC_FAULT_STATUS_MASK, buffer_0, 2);
if (ret) {
printf("%s dm_i2c_write failed: %d\n", __func__, ret);
return ret;
}
/* Clear active alerts */
ret = dm_i2c_write(i2c_dev, TCPC_ALERT, buffer_1, 2);
if (ret) {
printf("%s dm_i2c_write failed: %d\n", __func__, ret);
return ret;
}
return 0;
}
int board_early_init_f(void)
{
return 0;
}
int board_init(void)
{
return 0;
}
int board_late_init(void)
{
if (IS_ENABLED(CONFIG_ENV_IS_IN_MMC) || IS_ENABLED(CONFIG_ENV_IS_IN_NOWHERE))
board_late_mmc_env_init();
if (IS_ENABLED(CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG)) {
env_set("board_name", "11X11_FRDM");
env_set("board_rev", "iMX93");
}
if (get_boot_device() == USB_BOOT) {
printf("USB boot detected. Will enter fasboot mode\n");
env_set_ulong("dofastboot", 1);
}
clear_pd_alert();
return 0;
}
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