summaryrefslogtreecommitdiff
path: root/src/soc/intel/cannonlake/sd.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/soc/intel/cannonlake/sd.c')
-rw-r--r--src/soc/intel/cannonlake/sd.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/src/soc/intel/cannonlake/sd.c b/src/soc/intel/cannonlake/sd.c
new file mode 100644
index 0000000000..2c0298fd78
--- /dev/null
+++ b/src/soc/intel/cannonlake/sd.c
@@ -0,0 +1,37 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2017 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <intelblocks/sd.h>
+#include "chip.h"
+
+int sd_fill_soc_gpio_info(struct acpi_gpio* gpio, struct device *dev)
+{
+ config_t *config = dev->chip_info;
+
+ if (!config->sdcard_cd_gpio)
+ return -1;
+
+ gpio->type = ACPI_GPIO_TYPE_INTERRUPT;
+ gpio->pull = ACPI_GPIO_PULL_NONE;
+ gpio->irq.mode = ACPI_IRQ_EDGE_TRIGGERED;
+ gpio->irq.polarity = ACPI_IRQ_ACTIVE_BOTH;
+ gpio->irq.shared = ACPI_IRQ_SHARED;
+ gpio->irq.wake = ACPI_IRQ_WAKE;
+ gpio->interrupt_debounce_timeout = 10000; /* 100ms */
+ gpio->pin_count = 1;
+ gpio->pins[0] = config->sdcard_cd_gpio;
+
+ return 0;
+}