+/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (c) 2015 Google, Inc
* Written by Simon Glass <sjg@chromium.org>
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __pch_h
#define __pch_h
-enum pch_version {
- PCHV_UNKNOWN,
- PCHV_7,
- PCHV_9,
-};
+#define PCH_RCBA 0xf0
+
+#define BIOS_CTRL_BIOSWE BIT(0)
/* Operations for the Platform Controller Hub */
struct pch_ops {
/**
- * get_sbase() - get the address of SPI base
+ * get_spi_base() - get the address of SPI base
*
* @dev: PCH device to check
* @sbasep: Returns address of SPI base if available, else 0
* @return 0 if OK, -ve on error (e.g. there is no SPI base)
*/
- int (*get_sbase)(struct udevice *dev, ulong *sbasep);
-
- /**
- * get_version() - get the PCH version
- *
- * @return version, or -ENOSYS if unknown
- */
- enum pch_version (*get_version)(struct udevice *dev);
+ int (*get_spi_base)(struct udevice *dev, ulong *sbasep);
/**
* set_spi_protect() - set whether SPI flash is protected or not
* @return 0 on success, -ENOSYS if not implemented
*/
int (*set_spi_protect)(struct udevice *dev, bool protect);
+
+ /**
+ * get_gpio_base() - get the address of GPIO base
+ *
+ * @dev: PCH device to check
+ * @gbasep: Returns address of GPIO base if available, else 0
+ * @return 0 if OK, -ve on error (e.g. there is no GPIO base)
+ */
+ int (*get_gpio_base)(struct udevice *dev, u32 *gbasep);
+
+ /**
+ * get_io_base() - get the address of IO base
+ *
+ * @dev: PCH device to check
+ * @iobasep: Returns address of IO base if available, else 0
+ * @return 0 if OK, -ve on error (e.g. there is no IO base)
+ */
+ int (*get_io_base)(struct udevice *dev, u32 *iobasep);
};
#define pch_get_ops(dev) ((struct pch_ops *)(dev)->driver->ops)
/**
- * pch_get_sbase() - get the address of SPI base
+ * pch_get_spi_base() - get the address of SPI base
*
* @dev: PCH device to check
* @sbasep: Returns address of SPI base if available, else 0
* @return 0 if OK, -ve on error (e.g. there is no SPI base)
*/
-int pch_get_sbase(struct udevice *dev, ulong *sbasep);
-
-/**
- * pch_get_version() - get the PCH version
- *
- * @return version, or -ENOSYS if unknown
- */
-enum pch_version pch_get_version(struct udevice *dev);
+int pch_get_spi_base(struct udevice *dev, ulong *sbasep);
/**
* set_spi_protect() - set whether SPI flash is protected or not
*/
int pch_set_spi_protect(struct udevice *dev, bool protect);
+/**
+ * pch_get_gpio_base() - get the address of GPIO base
+ *
+ * @dev: PCH device to check
+ * @gbasep: Returns address of GPIO base if available, else 0
+ * @return 0 if OK, -ve on error (e.g. there is no GPIO base)
+ */
+int pch_get_gpio_base(struct udevice *dev, u32 *gbasep);
+
+/**
+ * pch_get_io_base() - get the address of IO base
+ *
+ * @dev: PCH device to check
+ * @iobasep: Returns address of IO base if available, else 0
+ * @return 0 if OK, -ve on error (e.g. there is no IO base)
+ */
+int pch_get_io_base(struct udevice *dev, u32 *iobasep);
+
#endif