mmcsd: add multi partitions support

include boot0,boot1,gp1,gp2,gp3,gp4,rpmb

Signed-off-by: wanggang26 <[email protected]>

drivers/mmcsd/mmcsd.h

@@ -42,6 +42,8 @@
 #  undef CONFIG_MMCSD_DUMPALL
 #endif
 
+#define MMCSD_PART_COUNT             8
+
 /* Card type */
 
 #define MMCSD_CARDTYPE_UNKNOWN       0  /* Unknown card type */
@@ -70,11 +72,12 @@ struct mmcsd_part_s
 
 struct mmcsd_state_s
 {
-  FAR struct sdio_dev_s *dev;      /* The SDIO device bound to this instance */
-  uint8_t  crefs;                  /* Open references on the driver */
-  mutex_t  lock;                   /* Assures mutually exclusive access to the slot */
-  int      minor;                  /* Device number */
-  struct mmcsd_part_s part;        /* Partition data */
+  FAR struct sdio_dev_s *dev;                  /* The SDIO device bound to this instance */
+  uint8_t  crefs;                              /* Open references on the driver */
+  mutex_t  lock;                               /* Assures mutually exclusive access to the slot */
+  int      minor;                              /* Device number */
+  struct mmcsd_part_s part[MMCSD_PART_COUNT];  /* Partition data */
+  uint32_t partnum;                            /* Partition number */
 
   /* Status flags */
 

drivers/mmcsd/mmcsd_extcsd.h

@@ -0,0 +1,76 @@
+/****************************************************************************
+ * drivers/mmcsd/mmcsd_extcsd.h
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.  The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+#ifndef __DRIVERS_MMCSD_MMCSD_EXTCSD_H
+#define __DRIVERS_MMCSD_MMCSD_EXTCSD_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+#include <stdint.h>
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/* The Extended CSD register defines the Device properties and selected
+ * modes. It is 512 bytes long. The most significant 320 bytes are the
+ * Properties segment, that defines the Device capabilities and cannot be
+ * modified by the host. The lower 192 bytes are the Modes segment, that
+ * defines the configuration the Device is working in. These modes can be
+ * changed by the host by means of the SWITCH command.
+ * Multi bytes field is interpreted in little endian byte order.
+ */
+
+#define MMCSD_PART_SETTING_COMPLETED               0x1
+#define MMCSD_PART_SUPPORT_PART_EN                 0x1
+
+#define MMCSD_EXTCSD_GP_SIZE_MULT                  143  /* R/W */
+#define MMCSD_EXTCSD_PARTITION_SETTING_COMPLETED   155  /* R/W */
+#define MMCSD_EXTCSD_PARTITION_SUPPORT             160  /* RO */
+#define MMCSD_EXTCSD_RPMB_SIZE_MULT                168  /* RO */
+#define MMCSD_EXTCSD_HC_WP_GRP_SIZE                221  /* RO */
+#define MMCSD_EXTCSD_HC_ERASE_GRP_SIZE             224  /* RO */
+#define MMCSD_EXTCSD_BOOT_SIZE_MULT                226  /* RO */
+
+/****************************************************************************
+ * Public Types
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Functions Definitions
+ ****************************************************************************/
+
+#undef EXTERN
+#if defined(__cplusplus)
+#define EXTERN extern "C"
+extern "C"
+{
+#else
+#define EXTERN extern
+#endif
+
+#undef EXTERN
+#if defined(__cplusplus)
+}
+#endif
+#endif /* __DRIVERS_MMCSD_MMCSD_EXTCSD_H */