Merge tag 'dm-pull-20jul20-take2a' of https://gitlab.denx.de/u-boot/custodians/u-boot-dm

binman support for FIT
new UCLASS_SOC
patman switch 'test' command
minor fdt fixes
patman usability improvements

4 files changed, 154 insertions, 47 deletions

diff --git a/include/cpu.h b/include/cpu.h
index 2f283fe244..78e88b9ed0 100644
--- a/include/cpu.h
+++ b/include/cpu.h
@@ -61,7 +61,7 @@ struct cpu_ops {
 	 * @size:	Size of string space
 	 * @return 0 if OK, -ENOSPC if buffer is too small, other -ve on error
 	 */
-	int (*get_desc)(struct udevice *dev, char *buf, int size);
+	int (*get_desc)(const struct udevice *dev, char *buf, int size);
 
 	/**
 	 * get_info() - Get information about a CPU
@@ -70,7 +70,7 @@ struct cpu_ops {
 	 * @info:	Returns CPU info
 	 * @return 0 if OK, -ve on error
 	 */
-	int (*get_info)(struct udevice *dev, struct cpu_info *info);
+	int (*get_info)(const struct udevice *dev, struct cpu_info *info);
 
 	/**
 	 * get_count() - Get number of CPUs
@@ -78,7 +78,7 @@ struct cpu_ops {
 	 * @dev:	Device to check (UCLASS_CPU)
 	 * @return CPU count if OK, -ve on error
 	 */
-	int (*get_count)(struct udevice *dev);
+	int (*get_count)(const struct udevice *dev);
 
 	/**
 	 * get_vendor() - Get vendor name of a CPU
@@ -88,7 +88,7 @@ struct cpu_ops {
 	 * @size:	Size of string space
 	 * @return 0 if OK, -ENOSPC if buffer is too small, other -ve on error
 	 */
-	int (*get_vendor)(struct udevice *dev, char *buf, int size);
+	int (*get_vendor)(const struct udevice *dev, char *buf, int size);
 
 	/**
 	 * is_current() - Check if the CPU that U-Boot is currently running from
@@ -110,7 +110,7 @@ struct cpu_ops {
  *
  * Return: 0 if OK, -ENOSPC if buffer is too small, other -ve on error
  */
-int cpu_get_desc(struct udevice *dev, char *buf, int size);
+int cpu_get_desc(const struct udevice *dev, char *buf, int size);
 
 /**
  * cpu_get_info() - Get information about a CPU
@@ -119,7 +119,7 @@ int cpu_get_desc(struct udevice *dev, char *buf, int size);
  *
  * Return: 0 if OK, -ve on error
  */
-int cpu_get_info(struct udevice *dev, struct cpu_info *info);
+int cpu_get_info(const struct udevice *dev, struct cpu_info *info);
 
 /**
  * cpu_get_count() - Get number of CPUs
@@ -127,7 +127,7 @@ int cpu_get_info(struct udevice *dev, struct cpu_info *info);
  *
  * Return: CPU count if OK, -ve on error
  */
-int cpu_get_count(struct udevice *dev);
+int cpu_get_count(const struct udevice *dev);
 
 /**
  * cpu_get_vendor() - Get vendor name of a CPU
@@ -137,7 +137,7 @@ int cpu_get_count(struct udevice *dev);
  *
  * Return: 0 if OK, -ENOSPC if buffer is too small, other -ve on error
  */
-int cpu_get_vendor(struct udevice *dev, char *buf, int size);
+int cpu_get_vendor(const struct udevice *dev, char *buf, int size);
 
 /**
  * cpu_probe_all() - Probe all available CPUs
diff --git a/include/dm/uclass-id.h b/include/dm/uclass-id.h
index 7837d459f1..690a8ed4df 100644
--- a/include/dm/uclass-id.h
+++ b/include/dm/uclass-id.h
@@ -97,6 +97,7 @@ enum uclass_id {
 	UCLASS_SERIAL,		/* Serial UART */
 	UCLASS_SIMPLE_BUS,	/* Bus with child devices */
 	UCLASS_SMEM,		/* Shared memory interface */
+	UCLASS_SOC,		/* SOC Device */
 	UCLASS_SOUND,		/* Playing simple sounds */
 	UCLASS_SPI,		/* SPI bus */
 	UCLASS_SPI_FLASH,	/* SPI flash */
diff --git a/include/fdtdec.h b/include/fdtdec.h
index abd6d42671..760b392bdf 100644
--- a/include/fdtdec.h
+++ b/include/fdtdec.h
@@ -909,26 +909,6 @@ int fdtdec_decode_display_timing(const void *blob, int node, int index,
 				 struct display_timing *config);
 
 /**
- * fdtdec_setup_mem_size_base_fdt() - decode and setup gd->ram_size and
- * gd->ram_start
- *
- * Decode the /memory 'reg' property to determine the size and start of the
- * first memory bank, populate the global data with the size and start of the
- * first bank of memory.
- *
- * This function should be called from a boards dram_init(). This helper
- * function allows for boards to query the device tree for DRAM size and start
- * address instead of hard coding the value in the case where the memory size
- * and start address cannot be detected automatically.
- *
- * @param blob		FDT blob
- *
- * @return 0 if OK, -EINVAL if the /memory node or reg property is missing or
- * invalid
- */
-int fdtdec_setup_mem_size_base_fdt(const void *blob);
-
-/**
  * fdtdec_setup_mem_size_base() - decode and setup gd->ram_size and
  * gd->ram_start
  *
@@ -947,25 +927,6 @@ int fdtdec_setup_mem_size_base_fdt(const void *blob);
 int fdtdec_setup_mem_size_base(void);
 
 /**
- * fdtdec_setup_memory_banksize_fdt() - decode and populate gd->bd->bi_dram
- *
- * Decode the /memory 'reg' property to determine the address and size of the
- * memory banks. Use this data to populate the global data board info with the
- * phys address and size of memory banks.
- *
- * This function should be called from a boards dram_init_banksize(). This
- * helper function allows for boards to query the device tree for memory bank
- * information instead of hard coding the information in cases where it cannot
- * be detected automatically.
- *
- * @param blob		FDT blob
- *
- * @return 0 if OK, -EINVAL if the /memory node or reg property is missing or
- * invalid
- */
-int fdtdec_setup_memory_banksize_fdt(const void *blob);
-
-/**
  * fdtdec_setup_memory_banksize() - decode and populate gd->bd->bi_dram
  *
  * Decode the /memory 'reg' property to determine the address and size of the
diff --git a/include/soc.h b/include/soc.h
new file mode 100644
index 0000000000..a55eb1b572
--- /dev/null
+++ b/include/soc.h
@@ -0,0 +1,145 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * (C) Copyright 2020 - Texas Instruments Incorporated - http://www.ti.com/
+ *	Dave Gerlach <d-gerlach@ti.com>
+ */
+
+#ifndef __SOC_H
+#define __SOC_H
+
+#define SOC_MAX_STR_SIZE	128
+
+/**
+ * struct soc_attr - Contains SoC identify information to be used in
+ *		     SoC matching. An array of these structs
+ *		     representing different SoCs can be passed to
+ *		     soc_device_match and the struct matching the SoC
+ *		     in use will be returned.
+ *
+ * @family   - Name of SoC family that can include multiple related SoC
+ *	       variants. Example: am33
+ * @machine  - Name of a specific SoC. Example: am3352
+ * @revision - Name of a specific SoC revision. Example: SR1.1
+ * @data     - A pointer to user data for the SoC variant
+ */
+struct soc_attr {
+	const char *family;
+	const char *machine;
+	const char *revision;
+	const void *data;
+};
+
+struct soc_ops {
+	/**
+	 * get_machine() - Get machine name of an SOC
+	 *
+	 * @dev:	Device to check (UCLASS_SOC)
+	 * @buf:	Buffer to place string
+	 * @size:	Size of string space
+	 * @return 0 if OK, -ENOSPC if buffer is too small, other -ve on error
+	 */
+	int (*get_machine)(struct udevice *dev, char *buf, int size);
+
+	/**
+	 * get_revision() - Get revision name of a SOC
+	 *
+	 * @dev:	Device to check (UCLASS_SOC)
+	 * @buf:	Buffer to place string
+	 * @size:	Size of string space
+	 * @return 0 if OK, -ENOSPC if buffer is too small, other -ve on error
+	 */
+	int (*get_revision)(struct udevice *dev, char *buf, int size);
+
+	/**
+	 * get_family() - Get family name of an SOC
+	 *
+	 * @dev:	Device to check (UCLASS_SOC)
+	 * @buf:	Buffer to place string
+	 * @size:	Size of string space
+	 * @return 0 if OK, -ENOSPC if buffer is too small, other -ve on error
+	 */
+	int (*get_family)(struct udevice *dev, char *buf, int size);
+};
+
+#define soc_get_ops(dev)        ((struct soc_ops *)(dev)->driver->ops)
+
+#ifdef CONFIG_SOC_DEVICE
+/**
+ * soc_get() - Return the soc device for the soc in use.
+ * @devp: Pointer to structure to receive the soc device.
+ *
+ * Since there can only be at most one SOC instance, the API can supply a
+ * function that returns the unique device.
+ *
+ * Return: 0 if OK, -ve on error.
+ */
+int soc_get(struct udevice **devp);
+
+/**
+ * soc_get_machine() - Get machine name of an SOC
+ * @dev:	Device to check (UCLASS_SOC)
+ * @buf:	Buffer to place string
+ * @size:	Size of string space
+ *
+ * Return: 0 if OK, -ENOSPC if buffer is too small, other -ve on error
+ */
+int soc_get_machine(struct udevice *dev, char *buf, int size);
+
+/**
+ * soc_get_revision() - Get revision name of an SOC
+ * @dev:	Device to check (UCLASS_SOC)
+ * @buf:	Buffer to place string
+ * @size:	Size of string space
+ *
+ * Return: 0 if OK, -ENOSPC if buffer is too small, other -ve on error
+ */
+int soc_get_revision(struct udevice *dev, char *buf, int size);
+
+/**
+ * soc_get_family() - Get family name of an SOC
+ * @dev:	Device to check (UCLASS_SOC)
+ * @buf:	Buffer to place string
+ * @size:	Size of string space
+ *
+ * Return: 0 if OK, -ENOSPC if buffer is too small, other -ve on error
+ */
+int soc_get_family(struct udevice *dev, char *buf, int size);
+
+/**
+ * soc_device_match() - Return match from an array of soc_attr
+ * @matches:	Array with any combination of family, revision or machine set
+ *
+ * Return: Pointer to struct from matches array with set attributes matching
+ *	   those provided by the soc device, or NULL if no match found.
+ */
+const struct soc_attr *
+soc_device_match(const struct soc_attr *matches);
+
+#else
+static inline int soc_get(struct udevice **devp)
+{
+	return -ENOSYS;
+}
+
+static inline int soc_get_machine(struct udevice *dev, char *buf, int size)
+{
+	return -ENOSYS;
+}
+
+static inline int soc_get_revision(struct udevice *dev, char *buf, int size)
+{
+	return -ENOSYS;
+}
+
+static inline int soc_get_family(struct udevice *dev, char *buf, int size)
+{
+	return -ENOSYS;
+}
+
+static inline const struct soc_attr *
+soc_device_match(const struct soc_attr *matches)
+{
+	return NULL;
+}
+#endif
+#endif /* _SOC_H */