[PATCH v3 1/4] drivers: mci: Make two functions public

[PATCH v3 1/4] drivers: mci: Make two functions public

[Daniel Schultz]

There is no possibility to read/write to the extended CSD register of
MMC devices from a command. To avoid duplicated driver code, two driver
functions have to be public.

Signed-off-by: Daniel Schultz <d.schultz@phytec.de>
---

Changes:
	v2:
	Changed patch order

	v3:
	No changes

 drivers/mci/mci-core.c | 4 ++--
 include/mci.h          | 3 +++
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/mci/mci-core.c b/drivers/mci/mci-core.c
index bd5cae2..c22f932 100644
--- a/drivers/mci/mci-core.c
+++ b/drivers/mci/mci-core.c
@@ -370,7 +370,7 @@ static int mmc_send_op_cond(struct mci *mci)
  * Note: Only cards newer than Version 1.1 (Physical Layer Spec) support
  * this command
  */
-static int mci_send_ext_csd(struct mci *mci, char *ext_csd)
+int mci_send_ext_csd(struct mci *mci, char *ext_csd)
 {
 	struct mci_cmd cmd;
 	struct mci_data data;
@@ -394,7 +394,7 @@ static int mci_send_ext_csd(struct mci *mci, char *ext_csd)
  * @param value FIXME
  * @return Transaction status (0 on success)
  */
-static int mci_switch(struct mci *mci, unsigned set, unsigned index,
+int mci_switch(struct mci *mci, unsigned set, unsigned index,
 			unsigned value)
 {
 	struct mci_cmd cmd;
diff --git a/include/mci.h b/include/mci.h
index c5ab5b3..a7bf8cd 100644
--- a/include/mci.h
+++ b/include/mci.h
@@ -372,6 +372,9 @@ struct mci {
 int mci_register(struct mci_host*);
 void mci_of_parse(struct mci_host *host);
 int mci_detect_card(struct mci_host *);
+int mci_send_ext_csd(struct mci *mci, char *ext_csd);
+int mci_switch(struct mci *mci, unsigned set, unsigned index,
+			unsigned value);
 
 static inline int mmc_host_is_spi(struct mci_host *host)
 {
-- 
1.9.1


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[PATCH v3 2/4] include: mci: Add new ext. CSD field defines

[Daniel Schultz]

Added missing defines for the extended CSD register until standard 5.1.

Signed-off-by: Daniel Schultz <d.schultz@phytec.de>
---

Changes:
	v2:
	Changed patch order
	Removed whitespaces from old defines

	v3:
	No changes

 include/mci.h | 99 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 99 insertions(+)

diff --git a/include/mci.h b/include/mci.h
index a7bf8cd..9e4d18b 100644
--- a/include/mci.h
+++ b/include/mci.h
@@ -183,6 +183,105 @@
 #define EXT_CSD_CACHE_SIZE		249	/* RO, 4 bytes */
 #define EXT_CSD_HPI_FEATURES		503	/* RO */
 
+/* Added with the 5.1 standard */
+#define EXT_CSD_CMDQ_MODE_EN			15	/* RO */
+#define EXT_CSD_SECURE_REMOVAL_TYPE		16	/* R/W */
+#define EXT_CSD_PRODUCT_ST8_AWARENSS_ENABLEMENT	17	/* R/W */
+#define EXT_CSD_MAX_PRE_LOADING_DATA_SIZE	18	/* RO, 4 bytes */
+#define EXT_CSD_PRE_LOADING_DATA_SIZE		22	/* R/W, 4 bytes */
+#define EXT_CSD_FFU_STATUS			26	/* RO */
+#define EXT_CSD_MODE_OPERATION_CODES		29	/* W */
+#define EXT_CSD_MODE_CONFIG			30	/* R/W */
+#define EXT_CSD_BARRIER_CTRL			31	/* R/W */
+#define EXT_CSD_PACKED_FAILURE_INDEX		35	/* RO */
+#define EXT_CSD_PACKED_COMMAND_STATUS		36	/* RO */
+#define EXT_CSD_CONTEXT_CONF			37	/* R/W, 15 bytes */
+#define EXT_CSD_EXT_PARTITIONS_ATTRIBUTE	52	/* R/W, 2 bytes */
+#define EXT_CSD_EXCEPTION_EVENTS_STATUS		54	/* RO, 2 bytes */
+#define EXT_CSD_EXCEPTION_EVENTS_CTRL		56	/* R/W, 2 bytes */
+#define EXT_CSD_CLASS_6_CTRL			59	/* R/W */
+#define EXT_CSD_INI_TIMEOUT_EMU			60	/* RO */
+#define EXT_CSD_DATA_SECTOR_SIZE		61	/* RO */
+#define EXT_CSD_USE_NATIVE_SECTOR		62	/* RO */
+#define EXT_CSD_NATIVE_SECTOR_SIZE		63	/* RO */
+#define EXT_CSD_PROGRAM_CID_CSD_DDR_SUPPORT	130	/* R/W */
+#define EXT_CSD_PERIODIC_WAKEUP			131	/* R/W/ */
+#define EXT_CSD_TCASE_SUPPORT			132	/* R/W */
+#define EXT_CSD_PRODUCTION_STATE_AWARENESS	133	/* R/W */
+#define EXT_CSD_SEC_BAD_BLK_MGMNT		134	/* R/W */
+#define EXT_CSD_ENH_START_ADDR			136	/* R/W, 4 bytes */
+#define EXT_CSD_ENH_SIZE_MULT			140	/* R/W, 3 bytes */
+#define EXT_CSD_PARTITION_SETTING_COMPLETED	155	/* R/W */
+#define EXT_CSD_PARTITIONS_ATTRIBUTE		156	/* R/W */
+#define EXT_CSD_MAX_ENH_SIZE_MULT		157	/* RO, 3 bytes */
+#define EXT_CSD_PARTITIONING_SUPPORT		160	/* RO */
+#define EXT_CSD_BKOPS_EN			163	/* R/W */
+#define EXT_CSD_BKOPS_START			164	/* WO */
+#define EXT_CSD_WR_REL_SET			167	/* R/W */
+#define EXT_CSD_RPMB_SIZE_MULT			168	/* RO */
+#define EXT_CSD_FW_CONFIG			169	/* R/W */
+#define EXT_CSD_USER_WP				171	/* R/W */
+#define EXT_CSD_BOOT_WP_STATUS			174	/* RO */
+#define EXT_CSD_BOOT_BUS_CONDITIONS		177	/* R/W */
+#define EXT_CSD_BOOT_CONFIG_PROT		178	/* R/W */
+#define EXT_CSD_PARTITION_CONFIG		179	/* R/W */
+#define EXT_CSD_STROBE_SUPPORT			184	/* RO */
+#define EXT_CSD_CMD_SET_REV			189	/* R/W */
+#define EXT_CSD_CMD_SET				191	/* R/W */
+#define EXT_CSD_CSD_STRUCTURE			194	/* RO */
+#define EXT_CSD_DEVICE_TYPE			196	/* RO */
+#define EXT_CSD_DRIVER_STRENGTH			197	/* RO */
+#define EXT_CSD_PART_SWITCH_TIME		199	/* RO */
+#define EXT_CSD_PARTITION_SWITCH_TIME		199	/* RO */
+#define EXT_CSD_MIN_PERF_R_4_26			205	/* RO */
+#define EXT_CSD_MIN_PERF_W_4_26			206	/* RO */
+#define EXT_CSD_MIN_PERF_R_8_26_4_52		207	/* RO */
+#define EXT_CSD_MIN_PERF_W_8_26_4_52		208	/* RO */
+#define EXT_CSD_MIN_PERF_R_8_52			209	/* RO */
+#define EXT_CSD_MIN_PERF_W_8_52			210	/* RO */
+#define EXT_CSD_SECURE_WP_INFO			211	/* RO */
+#define EXT_CSD_SEC_COUNT			212	/* RO, 4 bytes */
+#define EXT_CSD_SLEEP_NOTIFICATION_TIME		216	/* RO */
+#define EXT_CSD_PRODUCTION_ST8_AWARENSS_TIMEOUT	218	/* RO */
+#define EXT_CSD_S_C_VCCQ			219	/* RO */
+#define EXT_CSD_S_C_VCC				220	/* RO */
+#define EXT_CSD_ACC_SIZE			225	/* RO */
+#define EXT_CSD_BOOT_SIZE_MULT			226	/* RO */
+#define EXT_CSD_BOOT_INFO			228	/* RO */
+#define EXT_CSD_MIN_PERF_DDR_R_8_52		234	/* RO */
+#define EXT_CSD_MIN_PERF_DDR_W_8_52		235	/* RO */
+#define EXT_CSD_CACHE_FLUSH_POLICY		240	/* RO */
+#define EXT_CSD_INI_TIMEOUT_AP			241	/* RO */
+#define EXT_CSD_CORRECTLY_PRG_SECTORS_NUM	242	/* RO, 4 bytes */
+#define EXT_CSD_BKOPS_STATUS			246	/* RO */
+#define EXT_CSD_FIRMWARE_VERSION		254	/* RO, 8 bytes */
+#define EXT_CSD_DEVICE_VERSION			262	/* RO, 2 bytes */
+#define EXT_CSD_OPTIMAL_TRIM_UNIT_SIZE		264	/* RO */
+#define EXT_CSD_OPTIMAL_WRITE_SIZE		265	/* RO */
+#define EXT_CSD_OPTIMAL_READ_SIZE		266	/* RO */
+#define EXT_CSD_PRE_EOL_INFO			267	/* RO */
+#define EXT_CSD_DEVICE_LIFE_TIME_EST_TYP_A	268	/* RO */
+#define EXT_CSD_DEVICE_LIFE_TIME_EST_TYP_B	269	/* RO */
+#define EXT_CSD_NMBR_OF_FW_SCTRS_CRRCTLY_PRGRMD	302	/* RO, 4 bytes */
+#define EXT_CSD_CMDQ_DEPTH			307	/* RO */
+#define EXT_CSD_CMDQ_SUPPORT			308	/* RO */
+#define EXT_CSD_BARRIER_SUPPORT			486	/* RO */
+#define EXT_CSD_FFU_ARG				487	/* RO, 4 bytes */
+#define EXT_CSD_OPERATION_CODES_TIMEOUT		491	/* RO */
+#define EXT_CSD_FFU_FEATURES			492	/* RO */
+#define EXT_CSD_SUPPORTED_MODES			493	/* RO */
+#define EXT_CSD_EXT_SUPPORT			494	/* RO */
+#define EXT_CSD_LARGE_UNIT_SIZE_M1		495	/* RO */
+#define EXT_CSD_CONTEXT_CAPABILITIES		496	/* RO */
+#define EXT_CSD_TAG_RES_SIZE			497	/* RO */
+#define EXT_CSD_TAG_UNIT_SIZE			498	/* RO */
+#define EXT_CSD_DATA_TAG_SUPPORT		499	/* RO */
+#define EXT_CSD_MAX_PACKED_WRITES		500	/* RO */
+#define EXT_CSD_MAX_PACKED_READS		501	/* RO */
+#define EXT_CSD_BKOPS_SUPPORT			502	/* RO */
+#define EXT_CSD_S_CMD_SET			504	/* RO */
+#define EXT_CSD_EXT_SECURITY_ERR		505	/* RO */
+
 /*
  * EXT_CSD field definitions
  */
-- 
1.9.1


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[PATCH v3 3/4] drivers: mci: Add mci_get_device_by_name function

[Daniel Schultz]

Get a 'struct mci' by search after the device name.

Signed-off-by: Daniel Schultz <d.schultz@phytec.de>
---

Changes:
	v3:
	New with patch v3

 drivers/mci/mci-core.c | 16 ++++++++++++++++
 include/mci.h          |  8 ++++++++
 2 files changed, 24 insertions(+)

diff --git a/drivers/mci/mci-core.c b/drivers/mci/mci-core.c
index c22f932..d6865d1 100644
--- a/drivers/mci/mci-core.c
+++ b/drivers/mci/mci-core.c
@@ -53,6 +53,8 @@
 		__res & __mask;						\
 	})
 
+LIST_HEAD(mci_list);
+
 /**
  * @file
  * @brief Memory Card framework
@@ -1753,6 +1755,8 @@ int mci_register(struct mci_host *host)
 		mci->dev.id = DEVICE_ID_DYNAMIC;
 	}
 
+	list_add_tail(&mci->list, &mci_list);
+
 	mci->dev.platform_data = host;
 	mci->dev.parent = host->hw_dev;
 	mci->host = host;
@@ -1844,3 +1848,15 @@ void mci_of_parse(struct mci_host *host)
 
 	host->non_removable = of_property_read_bool(np, "non-removable");
 }
+
+struct mci *mci_get_device_by_name(const char *name)
+{
+	struct mci *dev;
+
+	for_each_mci_device(dev) {
+		if (!strcmp(dev->cdevname, name))
+			return dev;
+	}
+
+	return NULL;
+}
diff --git a/include/mci.h b/include/mci.h
index 9e4d18b..3c7b407 100644
--- a/include/mci.h
+++ b/include/mci.h
@@ -466,6 +466,8 @@ struct mci {
 
 	struct mci_part *part_curr;
 	u8 ext_csd_part_config;
+
+	struct list_head list;     /* The list of all mci devices */
 };
 
 int mci_register(struct mci_host*);
@@ -483,4 +485,10 @@ static inline int mmc_host_is_spi(struct mci_host *host)
 		return 0;
 }
 
+/* Iterate over all mci devices
+ */
+#define for_each_mci_device(dev) list_for_each_entry(dev, &mci_list, list)
+
+struct mci *mci_get_device_by_name(const char *name);
+
 #endif /* _MCI_H_ */
-- 
1.9.1


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Re: [PATCH v3 3/4] drivers: mci: Add mci_get_device_by_name function

[Sascha Hauer]

On Wed, Sep 02, 2015 at 08:28:52AM +0200, Daniel Schultz wrote:
> Get a 'struct mci' by search after the device name.
> 
> Signed-off-by: Daniel Schultz <d.schultz@phytec.de>
> ---
> 
> Changes:
> 	v3:
> 	New with patch v3
> 
>  drivers/mci/mci-core.c | 16 ++++++++++++++++
>  include/mci.h          |  8 ++++++++
>  2 files changed, 24 insertions(+)
> 
> diff --git a/drivers/mci/mci-core.c b/drivers/mci/mci-core.c
> index c22f932..d6865d1 100644
> --- a/drivers/mci/mci-core.c
> +++ b/drivers/mci/mci-core.c
> @@ -53,6 +53,8 @@
>  		__res & __mask;						\
>  	})
>  
> +LIST_HEAD(mci_list);
> +
>  /**
>   * @file
>   * @brief Memory Card framework
> @@ -1753,6 +1755,8 @@ int mci_register(struct mci_host *host)
>  		mci->dev.id = DEVICE_ID_DYNAMIC;
>  	}
>  
> +	list_add_tail(&mci->list, &mci_list);
> +

mci_register() may fail later in which case you end up with an undefined
entry in the mci_list. This should be done near the end of
mci_register() when it can't fail anymore.

>  	mci->dev.platform_data = host;
>  	mci->dev.parent = host->hw_dev;
>  	mci->host = host;
> @@ -1844,3 +1848,15 @@ void mci_of_parse(struct mci_host *host)
>  
>  	host->non_removable = of_property_read_bool(np, "non-removable");
>  }
> +
> +struct mci *mci_get_device_by_name(const char *name)
> +{
> +	struct mci *dev;
> +
> +	for_each_mci_device(dev) {
> +		if (!strcmp(dev->cdevname, name))
> +			return dev;
> +	}

dev->cdevname is initialized only in mci_card_probe() and only when
actually a card is detected. This causes a NULL pointer exception for
example when a there's no card in a slot. This has to be checked here.

It's a bit confusing when a variable named 'dev' not of type struct
device_d. Please rather use more specific names, like 'mci' in this
case.

I applied a fixed version to the -next branch.

Sascha

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[PATCH v3 4/4] commands: Add MMC ext. CSD register tool

[Daniel Schultz]

This tools can read/write to the extended CSD register of MMC devices.

Signed-off-by: Daniel Schultz <d.schultz@phytec.de>
---

Changes:
	v2:
	Changed patch order

	v3:
	Splitted output in different functions to reduce the indentation.
	Minimized strings and optimized printfs.
	Refactored main function

 commands/Kconfig      |   16 +
 commands/Makefile     |    1 +
 commands/mmc_extcsd.c | 2041 +++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 2058 insertions(+)
 create mode 100644 commands/mmc_extcsd.c

diff --git a/commands/Kconfig b/commands/Kconfig
index 133dcbf..c7be573 100644
--- a/commands/Kconfig
+++ b/commands/Kconfig
@@ -242,6 +242,22 @@ config CMD_VERSION
 
 	  barebox 2014.05.0-00142-gb289373 #177 Mon May 12 20:35:55 CEST 2014
 
+config CMD_MMC_EXTCSD
+	tristate
+	prompt "read/write eMMC ext. CSD register"
+	depends on MCI
+	help
+	  Read or write the extended CSD register of a MMC device.
+
+	  Usage: mmc_extcsd dev [-r | -i index [-r | -v value -y]]
+
+	  Options:
+		  -i      field index of the register
+		  -r      print the register as raw data
+		  -v      value which will be written
+		  -y      don't request when writing to one time programmable fields
+		  __CAUTION__: this could damage the device!
+
 # end Information commands
 endmenu
 
diff --git a/commands/Makefile b/commands/Makefile
index 3d594c3..d985341 100644
--- a/commands/Makefile
+++ b/commands/Makefile
@@ -114,3 +114,4 @@ obj-$(CONFIG_CMD_STATE)		+= state.o
 obj-$(CONFIG_CMD_DHCP)		+= dhcp.o
 obj-$(CONFIG_CMD_DHRYSTONE)	+= dhrystone.o
 obj-$(CONFIG_CMD_SPD_DECODE)	+= spd_decode.o
+obj-$(CONFIG_CMD_MMC_EXTCSD)	+= mmc_extcsd.o
diff --git a/commands/mmc_extcsd.c b/commands/mmc_extcsd.c
new file mode 100644
index 0000000..7c5af48
--- /dev/null
+++ b/commands/mmc_extcsd.c
@@ -0,0 +1,2041 @@
+/*
+ *
+ * (C) Copyright 2015 Phytec Messtechnik GmbH
+ * Author: Daniel Schultz <d.schultz@phytec.de>
+ *
+ * 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, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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 <common.h>
+#include <command.h>
+#include <complete.h>
+#include <driver.h>
+#include <stdio.h>
+#include <mci.h>
+#include <getopt.h>
+
+#define EXT_CSD_BLOCKSIZE	512
+
+/* Access types */
+#define R		"R"
+#define RW		"R/W"
+#define RWaR		"R/W & R"
+#define RWaRWE		"R/W & R/W/E"
+#define RWaRWC_P	"R/W & R/W/C_P"
+#define RWaRWC_PaRWE_P	"R/W, R/W/C_P & R/W/E_P"
+#define WE		"W/E"
+#define RWE		"R/W/E"
+#define RWEaR		"R/W/E & R"
+#define RWEaRWE_P	"R/W/E & R/W/E_P"
+#define RWC_P		"R/W/C_P"
+#define RWE_P		"R/W/E_P"
+#define WE_P		"W/E_P"
+
+#define print_field_caption(reg_name, access_mode)			       \
+	do {								       \
+		printf(#reg_name"[%u]:\n", EXT_CSD_##reg_name);		       \
+		printf("\tValue: %#02x\n", reg[index]);			       \
+		printf("\tAccess: "access_mode"\n");			       \
+	} while (false);
+
+#define print_field_caption_with_offset(reg_name, offset, access_mode)	       \
+	do {								       \
+		printf(#reg_name"[%u]:\n", EXT_CSD_##reg_name + offset);       \
+		printf("\tValue: %#02x\n", reg[index]);			       \
+		printf("\tAccess: "access_mode"\n");			       \
+	} while (false);
+
+#define get_field_val(reg_name, offset, mask)				       \
+	((reg[EXT_CSD_##reg_name] >> offset) & mask)
+
+#define get_field_val_with_index(index, offset, mask)			       \
+	((reg[index] >> offset) & mask)
+
+static void print_access_type_key(void)
+{
+	printf("\nR:       Read only.\n");
+	printf("W:       One time programmable and not readable.\n");
+	printf("R/W:     One time programmable and readable.\n");
+	printf("W/E:     Multiple writable with value kept after power failure, H/W reset assertion and any CMD0 reset and not readable.\n");
+	printf("R/W/E:   Multiple writable with value kept after power failure, H/W reset assertion and any CMD0 reset and readable.\n");
+	printf("R/W/C_P: Writable after value cleared by power failure and HW/rest assertion (the value not cleared by CMD0 reset) and readable.\n");
+	printf("R/W/E_P: Multiple writable with value reset after power failure, H/W reset assertion and any CMD0 reset and readable.\n");
+	printf("W/E_P:   Multiple writable with value reset after power failure, H/W reset assertion and any CMD0 reset and not readable.\n\n");
+}
+
+static int print_field_ge_v7(u8 *reg, int index)
+{
+	int rev;
+	u32 val;
+	u32 tmp;
+	u64 tmp64;
+	char *str = NULL;
+
+	rev = reg[EXT_CSD_REV];
+
+	switch (index) {
+	case EXT_CSD_CMDQ_MODE_EN:
+		print_field_caption(CMDQ_MODE_EN, RWE_P);
+		val = get_field_val(CMDQ_MODE_EN, 0, 0x1);
+		printf("\tCommand queuing is %sabled\n", val ? "en" : "dis");
+		return 1;
+
+	case EXT_CSD_SECURE_REMOVAL_TYPE:
+		print_field_caption(SECURE_REMOVAL_TYPE, RWaR);
+		val = get_field_val(SECURE_REMOVAL_TYPE, 0, 0xF);
+		switch (val) {
+		case 0x0:
+			str = "erase";
+			break;
+		case 0x1:
+			str = "overwrite, then erase";
+			break;
+		case 0x2:
+			str = "overwrite, complement, then random";
+			break;
+		case 0x3:
+			str = "vendor defined";
+			break;
+		}
+		printf("\t[3-0] Supported Secure Removal Type: %s\n", str);
+		val = get_field_val(SECURE_REMOVAL_TYPE, 4, 0xF);
+		switch (val) {
+		case 0x0:
+			str = "erase";
+			break;
+		case 0x1:
+			str = "overwrite, then erase";
+			break;
+		case 0x2:
+			str = "overwrite, complement, then random";
+			break;
+		case 0x3:
+			str = "vendor defined";
+			break;
+		}
+		printf("\t[7-4] Configure Secure Removal Type: %s\n", str);
+		return 1;
+
+	case EXT_CSD_PRODUCT_ST8_AWARENSS_ENABLEMENT:
+		print_field_caption(PRODUCT_ST8_AWARENSS_ENABLEMENT, RWEaR);
+		val = get_field_val(PRODUCT_ST8_AWARENSS_ENABLEMENT, 0, 0x1);
+		printf("\t[0] Manual mode is %ssupported\n",
+			val ? "" : "not ");
+		val = get_field_val(PRODUCT_ST8_AWARENSS_ENABLEMENT, 1, 0x1);
+		printf("\t[1] Auto mode is %ssupported\n", (val ? "" : "not "));
+		val = get_field_val(PRODUCT_ST8_AWARENSS_ENABLEMENT, 4, 0x1);
+		printf("\t[4] Production State Awareness is %sabled\n",
+			val ? "en" : "dis");
+		val = get_field_val(PRODUCT_ST8_AWARENSS_ENABLEMENT, 5, 0x1);
+		printf("\t[5] Auto mode is %sabled\n", (val ? "en" : "dis"));
+		return 1;
+
+	/*   EXT_CSD_MAX_PRE_LOADING_DATA_SIZE */
+	case 25:
+	case 24:
+	case 23:
+	case 22:
+		print_field_caption_with_offset(MAX_PRE_LOADING_DATA_SIZE,
+			index - EXT_CSD_MAX_PRE_LOADING_DATA_SIZE, R);
+		tmp64 = get_field_val(MAX_PRE_LOADING_DATA_SIZE, 0, 0xFF);
+		tmp64 = tmp64 | get_field_val(
+			MAX_PRE_LOADING_DATA_SIZE + 1, 0, 0xFF) << 8;
+		tmp64 = tmp64 | get_field_val(
+				MAX_PRE_LOADING_DATA_SIZE + 2, 0, 0xFF) << 16;
+		tmp64 = tmp64 | get_field_val(
+				MAX_PRE_LOADING_DATA_SIZE + 3, 0, 0xFF) << 24;
+		tmp = get_field_val(DATA_SECTOR_SIZE, 0, 0x1);
+		if (tmp64 == 0xFFFFFFFF)
+			if (tmp)
+				str = "16 TB";
+			else
+				str = "2 TB";
+		else
+			if (tmp)
+				sprintf(str, "%llu B", tmp64 * 4096);
+			else
+				sprintf(str, "%llu B", tmp64 * 512);
+		printf("\tMax_Pre_Loading_Data_Size: %s\n", str);
+		return 1;
+
+	/*   EXT_CSD_PRE_LOADING_DATA_SIZE */
+	case 21:
+	case 20:
+	case 19:
+	case 18:
+		print_field_caption_with_offset(PRE_LOADING_DATA_SIZE,
+			index - EXT_CSD_PRE_LOADING_DATA_SIZE, RWE_P);
+		tmp64 = get_field_val(PRE_LOADING_DATA_SIZE, 0, 0xFF);
+		tmp64 = tmp64 | get_field_val(
+			PRE_LOADING_DATA_SIZE + 1, 0, 0xFF) << 8;
+		tmp64 = tmp64 | get_field_val(
+			PRE_LOADING_DATA_SIZE + 2, 0, 0xFF) << 16;
+		tmp64 = tmp64 | get_field_val(
+			PRE_LOADING_DATA_SIZE + 3, 0, 0xFF) << 24;
+		tmp = get_field_val(DATA_SECTOR_SIZE, 0, 0x1);
+		if (tmp64 == 0xFFFFFFFF)
+			if (tmp)
+				str = "16 TB";
+			else
+				str = "2 TB";
+		else
+			if (tmp)
+				sprintf(str, "%llu B", tmp64 * 4096);
+			else
+				sprintf(str, "%llu B", tmp64 * 512);
+		printf("\tPre_Loading_Data_Size: %s\n", str);
+		return 1;
+
+	case EXT_CSD_FFU_STATUS:
+		print_field_caption(FFU_STATUS, R);
+		val = get_field_val(FFU_STATUS, 0, 0x13);
+		switch (val) {
+		case 0x0:
+			str = "success";
+			break;
+		case 0x10:
+			str = "general error";
+			break;
+		case 0x11:
+			str = "firmware install error";
+			break;
+		case 0x12:
+			str = "firmware download error";
+			break;
+		}
+		printf("\t[5-0] Code: %s\n", str);
+		return 1;
+
+	case EXT_CSD_MODE_CONFIG:
+		print_field_caption(MODE_CONFIG, RWE_P);
+		val = get_field_val(MODE_CONFIG, 0, 0xFF);
+		switch (val) {
+		case 0x0:
+			str = "normal";
+			break;
+		case 0x1:
+			str = "FFU";
+			break;
+		case 0x10:
+			str = "vendor";
+			break;
+		}
+		printf("\t[7-0] Value: %s\n", str);
+		return 1;
+
+	case EXT_CSD_BARRIER_CTRL:
+		print_field_caption(BARRIER_CTRL, RW);
+		val = get_field_val(BARRIER_CTRL, 0, 0x1);
+		printf("\t[0] BARRIER_EN: %s\n", val ? "ON" : "OFF");
+		return 1;
+
+	case EXT_CSD_OUT_OF_INTERRUPT_TIME:
+		print_field_caption(OUT_OF_INTERRUPT_TIME, R);
+		val = get_field_val(OUT_OF_INTERRUPT_TIME, 0, 0xFF);
+		val = val * 10;
+		if (val)
+			printf("\tOut-of-interrupt timeout definition: %u ms\n",
+				val);
+		else
+			printf("\tNot Defined\n");
+		return 1;
+
+	case EXT_CSD_PARTITION_SWITCH_TIME:
+		print_field_caption(PARTITION_SWITCH_TIME, R);
+		val = get_field_val(PARTITION_SWITCH_TIME, 0, 0xFF);
+		val = val * 10;
+		if (val)
+			printf("\tPartition switch timeout definition: %u ms\n",
+				val);
+		else
+			printf("\tNot Defined\n");
+		return 1;
+
+	case EXT_CSD_DRIVER_STRENGTH:
+		print_field_caption(DRIVER_STRENGTH, R);
+		val = get_field_val(DRIVER_STRENGTH, 0, 0x1);
+		printf("\t[0] Type 0: %ssupported\n", val ? "" : "not ");
+		val = get_field_val(DRIVER_STRENGTH, 1, 0x1);
+		printf("\t[1] Type 1: %ssupported\n", val ? "" : "not ");
+		val = get_field_val(DRIVER_STRENGTH, 2, 0x1);
+		printf("\t[2] Type 2: %ssupported\n", val ? "" : "not ");
+		val = get_field_val(DRIVER_STRENGTH, 3, 0x1);
+		printf("\t[3] Type 3: %ssupported\n", val ? "" : "not ");
+		val = get_field_val(DRIVER_STRENGTH, 4, 0x1);
+		printf("\t[4] Type 4: %ssupported\n", val ? "" : "not ");
+		return 1;
+
+	case EXT_CSD_CACHE_FLUSH_POLICY:
+		print_field_caption(CACHE_FLUSH_POLICY, R);
+		val = get_field_val(CACHE_FLUSH_POLICY, 0, 0x1);
+		if (val)
+			str = "FIFO policy for cache";
+		else
+			str = "not provided";
+		printf("\t[0] Device flushing: %s", str);
+		return 1;
+
+	case EXT_CSD_OPTIMAL_READ_SIZE:
+		print_field_caption(OPTIMAL_READ_SIZE, R);
+		val = get_field_val(OPTIMAL_READ_SIZE, 0, 0xFF);
+		val = val * 4048;
+		printf("\t[7-0] Minimum optimal read unit size: %u\n", val);
+		return 1;
+
+	case EXT_CSD_OPTIMAL_WRITE_SIZE:
+		print_field_caption(OPTIMAL_WRITE_SIZE, R);
+		val = get_field_val(OPTIMAL_WRITE_SIZE, 0, 0xFF);
+		val = val * 4048;
+		printf("\t[7-0] Minimum optimal write unit size: %u\n", val);
+		return 1;
+
+	case EXT_CSD_PRE_EOL_INFO:
+		print_field_caption(PRE_EOL_INFO, R);
+		val = get_field_val(PRE_EOL_INFO, 0, 0x3);
+		switch (val) {
+		case 1:
+			str = "normal";
+			break;
+		case 2:
+			str = "warning";
+			break;
+		case 3:
+			str = "urgent";
+			break;
+		default:
+			str = "Not defined";
+		}
+		printf("\t[1-0] Device life time: %s\n", str);
+		return 1;
+
+	case EXT_CSD_DEVICE_LIFE_TIME_EST_TYP_A:
+		print_field_caption(DEVICE_LIFE_TIME_EST_TYP_A, R);
+		val = get_field_val(DEVICE_LIFE_TIME_EST_TYP_A, 0, 0xFF);
+		val = val * 10;
+		if (val == 0)
+			str = "not defined";
+		else if (val == 0xB)
+			str = "maximum";
+		else
+			sprintf(str, "%u%% - %u%%", (val - 10), val);
+		printf("\tDevice life time, type A (estimation): %s\n", str);
+		return 1;
+
+	case EXT_CSD_DEVICE_LIFE_TIME_EST_TYP_B:
+		print_field_caption(DEVICE_LIFE_TIME_EST_TYP_B, R);
+		val = get_field_val(DEVICE_LIFE_TIME_EST_TYP_B, 0, 0xFF);
+		val = val * 10;
+		if (val == 0)
+			str = "not defined";
+		else if (val == 0xB)
+			str = "maximum";
+		else
+			sprintf(str, "%u%% - %u%%", (val - 10), val);
+		printf("\tDevice life time, type B (estimation): %s\n", str);
+		return 1;
+
+	/*   EXT_CSD_NMBR_OF_FW_SCTRS_CRRCTLY_PRGRMD */
+	case 305:
+	case 304:
+	case 303:
+	case 302:
+		print_field_caption_with_offset(NMBR_OF_FW_SCTRS_CRRCTLY_PRGRMD,
+			index - EXT_CSD_NMBR_OF_FW_SCTRS_CRRCTLY_PRGRMD, R);
+		return 1;
+
+	case EXT_CSD_CMDQ_DEPTH:
+		print_field_caption(CMDQ_DEPTH, R);
+		val = get_field_val(CMDQ_DEPTH, 0, 0xF);
+		++val;
+		printf("\t[3-0] Queue Depth: %u", val);
+		return 1;
+
+	case EXT_CSD_CMDQ_SUPPORT:
+		print_field_caption(CMDQ_SUPPORT, R);
+		val = get_field_val(CMDQ_SUPPORT, 0, 0x1);
+		printf("\t[0] Command queuing: %ssupported\n",
+			val ? "" : "not ");
+		return 1;
+
+	case EXT_CSD_BARRIER_SUPPORT:
+		print_field_caption(BARRIER_SUPPORT, R);
+		val = get_field_val(BARRIER_SUPPORT, 0, 0x1);
+		printf("\t[0] Barrier command: %ssupported\n",
+			val ? "" : "not ");
+		return 1;
+
+	/*   EXT_CSD_FFU_ARG */
+	case 490:
+	case 489:
+	case 488:
+	case 487:
+		print_field_caption_with_offset(FFU_ARG,
+			index - EXT_CSD_FFU_ARG, R);
+		return 1;
+
+	case EXT_CSD_OPERATION_CODES_TIMEOUT:
+		print_field_caption(OPERATION_CODES_TIMEOUT, R);
+		val = get_field_val(OPERATION_CODES_TIMEOUT, 0, 0xFF);
+		printf("\t[7-0] Timeout Values: %#02x\n", val);
+		return 1;
+
+	case EXT_CSD_FFU_FEATURES:
+		print_field_caption(FFU_FEATURES, R);
+		val = get_field_val(FFU_FEATURES, 0, 0x1);
+		printf("\t[0] NUMBER_OF_FW_SECTORS_CORRECTLY_PROGRAMMED: %ssupported\n",
+			val ? "" : " not");
+		return 1;
+
+	case EXT_CSD_SUPPORTED_MODES:
+		print_field_caption(SUPPORTED_MODES, R);
+		val = get_field_val(SUPPORTED_MODES, 0, 0x1);
+		printf("\t[0] FFU: %ssupported\n", val ? "" : "not ");
+		val = get_field_val(SUPPORTED_MODES, 1, 0x1);
+		printf("\t[1] VSM: %ssupported\n", val ? "" : "not ");
+		return 1;
+	}
+	return 0;
+}
+static int print_field_ge_v6(u8 *reg, int index)
+{
+	int rev;
+	u32 val;
+	u32 tmp;
+	char *str = NULL;
+
+	rev = reg[EXT_CSD_REV];
+
+	switch (index) {
+	case EXT_CSD_CACHE_CTRL:
+		print_field_caption(CACHE_CTRL, RWE_P);
+		val = get_field_val(CACHE_CTRL, 0, 0x1);
+		printf("\t[0] CACHE_EN: %s\n", val ? "ON" : "OFF");
+		return 1;
+
+	case EXT_CSD_POWER_OFF_NOTIFICATION:
+		print_field_caption(POWER_OFF_NOTIFICATION, RWE_P);
+		val = get_field_val(POWER_OFF_NOTIFICATION, 0, 0x7);
+		switch (val) {
+		case 0x0:
+			printf("\t[2-0] NO_POWER_NOTIFICATION\n");
+			break;
+		case 0x1:
+			printf("\t[2-0] POWERED_ON\n");
+			break;
+		case 0x2:
+			printf("\t[2-0] POWER_OFF_SHORT\n");
+			break;
+		case 0x3:
+			printf("\t[2-0] POWER_OFF_LONG\n");
+			break;
+		case 0x4:
+			printf("\t[2-0] SLEEP_NOTIFICATION\n");
+			break;
+		}
+		return 1;
+
+	case EXT_CSD_PACKED_FAILURE_INDEX:
+		print_field_caption(PACKED_FAILURE_INDEX, R);
+		val = get_field_val(PACKED_FAILURE_INDEX, 0, 0xFF);
+		printf("\t[7-0] PACKED_FAILURE_INDEX: %u\n", val);
+		return 1;
+
+	case EXT_CSD_PACKED_COMMAND_STATUS:
+		print_field_caption(PACKED_COMMAND_STATUS, R);
+		val = get_field_val(PACKED_COMMAND_STATUS, 0, 0x1);
+		printf("\t[0] Error: %u\n", val);
+		val = get_field_val(PACKED_COMMAND_STATUS, 1, 0x1);
+		printf("\t[1] Indexed Error: %u\n", val);
+		return 1;
+
+	/* EXT_CSD_CONTEXT_CONF */
+	case 51:
+	case 50:
+	case 49:
+	case 48:
+	case 47:
+	case 46:
+	case 45:
+	case 44:
+	case 43:
+	case 42:
+	case 41:
+	case 40:
+	case 39:
+	case 38:
+	case 37:
+		print_field_caption_with_offset(CONTEXT_CONF,
+			index - EXT_CSD_CONTEXT_CONF, RWE_P);
+		val = get_field_val_with_index(index, 0, 0x3);
+		switch (val) {
+		case 0x0:
+			str = "closed, not active";
+			break;
+		case 0x1:
+			str = "configured and activated as write-only";
+			break;
+		case 0x2:
+			str = "configured and activated as read-only";
+			break;
+		case 0x3:
+			str = "configured and activated as read/write";
+			break;
+		}
+		printf("\t[1-0] Activation and direction selection: context is %s\n",
+			str);
+		val = get_field_val_with_index(index, 2, 0x1);
+		if (val)
+			str = "follows rules";
+		else
+			str = "doesn't follow rules";
+		printf("\t[2]   Large Unit context: %s\n", str);
+		val = get_field_val_with_index(index, 3, 0x3);
+		printf("\t[5-3] Large Unit multiplier: %u\n", val);
+		val = get_field_val_with_index(index, 0, 0x3);
+		switch (val) {
+		case 0x0:
+			str = "MODE0";
+			break;
+		case 0x1:
+			str = "MODE1";
+			break;
+		case 0x2:
+			str = "MODE2";
+			break;
+		}
+		printf("\t[7-6] Reliability mode: %s\n", str);
+		return 1;
+
+	/*   EXT_CSD_EXT_PARTITIONS_ATTRIBUTE */
+	case 52:
+		print_field_caption_with_offset(
+			EXT_PARTITIONS_ATTRIBUTE,
+			index - EXT_CSD_EXT_PARTITIONS_ATTRIBUTE, RW);
+		printf("\t[3-0] EXT_1\n");
+		printf("\t[7-4] EXT_2\n");
+		return 1;
+	case 53:
+		print_field_caption_with_offset(
+			EXT_PARTITIONS_ATTRIBUTE,
+			index - EXT_CSD_EXT_PARTITIONS_ATTRIBUTE, RW);
+		printf("\t[11-8]  EXT_3\n");
+		printf("\t[15-12] EXT_4\n");
+		return 1;
+
+	/*   EXT_CSD_EXCEPTION_EVENTS_STATUS */
+	case 54:
+		print_field_caption_with_offset(
+			EXCEPTION_EVENTS_STATUS,
+			index - EXT_CSD_EXCEPTION_EVENTS_STATUS, R);
+		val = get_field_val(EXCEPTION_EVENTS_STATUS, 0, 0x1);
+		printf("\t[0] URGENT_BKOPS: %i\n", val);
+		val = get_field_val(EXCEPTION_EVENTS_STATUS, 1, 0x1);
+		printf("\t[1] DYNCAP_NEEDED: %i\n", val);
+		val = get_field_val(EXCEPTION_EVENTS_STATUS, 2, 0x1);
+		printf("\t[2] SYSPOOL_EXHAUSTED: %i\n", val);
+		val = get_field_val(EXCEPTION_EVENTS_STATUS, 3, 0x1);
+		printf("\t[3] PACKED_FAILURE: %i\n", val);
+		val = get_field_val(EXCEPTION_EVENTS_STATUS, 4, 0x1);
+		printf("\t[4] EXTENDED_SECURITY_FAILURE: %i\n", val);
+		return 1;
+	case 55:
+		print_field_caption_with_offset(
+			EXCEPTION_EVENTS_STATUS,
+			index - EXT_CSD_EXCEPTION_EVENTS_STATUS, R);
+		return 1;
+
+	/*   EXT_CSD_EXCEPTION_EVENTS_CTRL */
+	case 56:
+		print_field_caption_with_offset(EXCEPTION_EVENTS_CTRL,
+			index - EXT_CSD_EXCEPTION_EVENTS_CTRL, RWE_P);
+		val = get_field_val(EXCEPTION_EVENTS_CTRL, 1, 0x1);
+		printf("\t[1] DYNCAP_EVENT_EN: %i\n", val);
+		val = get_field_val(EXCEPTION_EVENTS_CTRL, 2, 0x1);
+		printf("\t[2] SYSPOOL_EVENT_EN: %i\n", val);
+		val = get_field_val(EXCEPTION_EVENTS_CTRL, 3, 0x1);
+		printf("\t[3] PACKED_EVENT_EN: %i\n", val);
+		val = get_field_val(EXCEPTION_EVENTS_CTRL, 4, 0x1);
+		printf("\t[4] EXTENDED_SECURITY_EN: %i\n", val);
+		return 1;
+	case 57:
+		print_field_caption(EXCEPTION_EVENTS_CTRL, RWE_P);
+		printf("\tR/W/E_P\n");
+		printf("\tValue: %#02x\n", reg[index]);
+		return 1;
+
+	case EXT_CSD_CLASS_6_CTRL:
+		print_field_caption(CLASS_6_CTRL, RWE_P);
+		val = get_field_val(CLASS_6_CTRL, 0, 0x1);
+		if (val)
+			printf("\t[0] Dynamic Capacity\n");
+		else
+			printf("\t[0] Write Protect\n");
+		return 1;
+
+	case EXT_CSD_INI_TIMEOUT_EMU:
+		print_field_caption(INI_TIMEOUT_EMU, R);
+		val = get_field_val(INI_TIMEOUT_EMU, 0, 0xFF);
+		val = val * 100;
+		printf("\tInitialization Time out value: %u ms\n", val);
+		return 1;
+
+	case EXT_CSD_DATA_SECTOR_SIZE:
+		print_field_caption(DATA_SECTOR_SIZE, R);
+		val = get_field_val(DATA_SECTOR_SIZE, 0, 0x1);
+		if (val)
+			str = "4 KB";
+		else
+			str = "512 B";
+		printf("\t[0] Data sector size is %s\n", str);
+		return 1;
+
+	case EXT_CSD_USE_NATIVE_SECTOR:
+		print_field_caption(USE_NATIVE_SECTOR, RW);
+		val = get_field_val(USE_NATIVE_SECTOR, 0, 0x1);
+		if (val)
+			printf("\t[0] Device sector size is larger than 512 B\n");
+		else
+			printf("\t[0] Device sector size is 512 B (emulated or native)\n");
+		return 1;
+
+	case EXT_CSD_NATIVE_SECTOR_SIZE:
+		print_field_caption(NATIVE_SECTOR_SIZE, R);
+		val = get_field_val(NATIVE_SECTOR_SIZE, 0, 0x1);
+		if (val)
+			str = "4 KB";
+		else
+			str = "512 B";
+		printf("\t[0] Native sector size is %s\n", str);
+		return 1;
+
+	case EXT_CSD_PROGRAM_CID_CSD_DDR_SUPPORT:
+		print_field_caption(PROGRAM_CID_CSD_DDR_SUPPORT, R);
+		val = get_field_val(PROGRAM_CID_CSD_DDR_SUPPORT, 0, 0x1);
+		if (val)
+			str = "single data rate and dual data rate";
+		else
+			str = "single data rate";
+		printf("\t[0] PROGRAM_CID_CSD_DDR_SUPPORT: CMD26 and CMD27 - %s mode\n",
+			str);
+		return 1;
+
+	case EXT_CSD_PERIODIC_WAKEUP:
+		print_field_caption(PERIODIC_WAKEUP, RWE);
+		val = get_field_val(PERIODIC_WAKEUP, 0, 0x1F);
+		printf("\t[5-0] WAKEUP_PERIOD: %u\n", val);
+		val = get_field_val(PERIODIC_WAKEUP, 5, 0x7);
+		switch (val) {
+		case 0x0:
+			str = "infinity";
+			break;
+		case 0x1:
+			str = "months";
+			break;
+		case 0x2:
+			str = "weeks";
+			break;
+		case 0x3:
+			str = "days";
+			break;
+		case 0x4:
+			str = "hours";
+			break;
+		case 0x5:
+			str = "minutes";
+			break;
+		}
+		printf("\t[7-5] WAKEUP_UNIT: %s\n", str);
+		return 1;
+
+	case EXT_CSD_PWR_CL_200_195:
+		print_field_caption(PWR_CL_200_195, R);
+		val = get_field_val(PWR_CL_200_195, 0, 0xFF);
+		printf("\tPower class for 200MHz, at 1.95V %#02x\n", val);
+		return 1;
+
+	case EXT_CSD_PWR_CL_200_360:
+		print_field_caption(PWR_CL_200_360, R);
+		val = get_field_val(PWR_CL_200_360, 0, 0xFF);
+		printf("\tPower class for 200MHz, at 3.6V %#02x\n", val);
+		return 1;
+
+	case EXT_CSD_POWER_OFF_LONG_TIME:
+		print_field_caption(POWER_OFF_LONG_TIME, R);
+		val = get_field_val(POWER_OFF_LONG_TIME, 0, 0xFF);
+		val = val * 10;
+		printf("\tGeneric Switch Timeout Definition: %u ms\n", val);
+		return 1;
+
+	case EXT_CSD_GENERIC_CMD6_TIME:
+		print_field_caption(GENERIC_CMD6_TIME, R);
+		val = get_field_val(GENERIC_CMD6_TIME, 0, 0xFF);
+		val = val * 10;
+		printf("\tGeneric Switch Timeout Definition: %u ms\n", val);
+		return 1;
+
+	/*   EXT_CSD_CACHE_SIZE */
+	case 252:
+	case 251:
+	case 250:
+	case 249:
+		print_field_caption_with_offset(CACHE_SIZE,
+			index - EXT_CSD_CACHE_SIZE, R);
+		val = get_field_val(CACHE_SIZE, 0, 0xFF);
+		val = val | get_field_val(CACHE_SIZE + 1, 0, 0xFF) << 8;
+		val = val | get_field_val(CACHE_SIZE + 2, 0, 0xFF) << 16;
+		val = val | get_field_val(CACHE_SIZE + 3, 0, 0xFF) << 24;
+		printf("\tCache Size: %u KiB\n", val);
+		return 1;
+
+	case EXT_CSD_EXT_SUPPORT:
+		print_field_caption(EXT_SUPPORT, R);
+		val = get_field_val(EXT_SUPPORT, 0, 0x1);
+		printf("\t[0] System code: %ssupported\n", val ? "" : "not ");
+		val = get_field_val(EXT_SUPPORT, 1, 0x1);
+		printf("\t[1] Non-persistent: %ssupported\n",
+			val ? "" : "not ");
+		return 1;
+
+	case EXT_CSD_LARGE_UNIT_SIZE_M1:
+		print_field_caption(LARGE_UNIT_SIZE_M1, R);
+		val = get_field_val(LARGE_UNIT_SIZE_M1, 0, 0xFF);
+		printf("\tLarge Unit size: %#02x\n", val);
+		return 1;
+
+	case EXT_CSD_CONTEXT_CAPABILITIES:
+		print_field_caption(CONTEXT_CAPABILITIES, R);
+		val = get_field_val(CONTEXT_CAPABILITIES, 0, 0xF);
+		printf("\t[3-0] MAX_CONTEXT_ID: %#02x\n", val);
+		val = get_field_val(CONTEXT_CAPABILITIES, 4, 0x7);
+		printf("\t[6-4] LARGE_UNIT_MAX_MULTIPLIER_M1: %#02x\n", val);
+		return 1;
+
+	case EXT_CSD_TAG_RES_SIZE:
+		print_field_caption(TAG_RES_SIZE, R);
+		val = get_field_val(TAG_RES_SIZE, 0, 0xFF);
+		printf("\tSystem Data Tag Resources Size: %#02x\n", val);
+		return 1;
+
+	case EXT_CSD_TAG_UNIT_SIZE:
+		print_field_caption(TAG_UNIT_SIZE, R);
+		tmp = get_field_val(NATIVE_SECTOR_SIZE, 0, 0x1);
+		tmp = (tmp == 0) ? 512 : 4048;
+		val = 2 << (1 - get_field_val(TAG_UNIT_SIZE, 0, 0xFF));
+		val = val * tmp;
+		printf("\tTag Unit Size: %u\n", val);
+		return 1;
+
+	case EXT_CSD_DATA_TAG_SUPPORT:
+		print_field_caption(DATA_TAG_SUPPORT, R);
+		val = get_field_val(DATA_TAG_SUPPORT, 0, 0x1);
+		printf("\t[0] SYSTEM_DATA_TAG_SUPPORT: %u\n", val);
+		return 1;
+
+	case EXT_CSD_MAX_PACKED_WRITES:
+		print_field_caption(MAX_PACKED_WRITES, R);
+		val = get_field_val(MAX_PACKED_WRITES, 0, 0xFF);
+		printf("\tmaximum number of commands in write command: %u\n",
+			val);
+		return 1;
+
+	case EXT_CSD_MAX_PACKED_READS:
+		print_field_caption(MAX_PACKED_READS, R);
+		val = get_field_val(MAX_PACKED_READS, 0, 0xFF);
+		printf("\tmaximum number of commands in read command: %u\n",
+			val);
+		return 1;
+	}
+	return 0;
+}
+static int print_field_ge_v5(u8 *reg, int index)
+{
+	int rev;
+	u32 val;
+	u32 tmp;
+	u64 tmp64;
+	char *str = NULL;
+
+	rev = reg[EXT_CSD_REV];
+
+	switch (index) {
+	case EXT_CSD_TCASE_SUPPORT:
+		print_field_caption(TCASE_SUPPORT, WE_P);
+		val = get_field_val(TCASE_SUPPORT, 0, 0xFF);
+		printf("\t[7-0] TCASE_SUPPORT: %#02x\n", val);
+		return 1;
+
+	case EXT_CSD_PRODUCTION_STATE_AWARENESS:
+		print_field_caption(PRODUCTION_STATE_AWARENESS, RWE);
+		val = get_field_val(PRODUCTION_STATE_AWARENESS, 0, 0xFF);
+		switch (val) {
+		case 0x0:
+			str = "NORMAL";
+			break;
+		case 0x1:
+			str = "PRE_SOLDERING_WRITES";
+			break;
+		case 0x2:
+			str = "PRE_SOLDERING_POST_WRITES";
+			break;
+		case 0x3:
+			str = "AUTO_PRE_SOLDERING";
+			break;
+		}
+		printf("\t[7-0] State: %s\n", str);
+		return 1;
+
+	case EXT_CSD_SEC_BAD_BLK_MGMNT:
+		print_field_caption(SEC_BAD_BLK_MGMNT, RW);
+		val = get_field_val(SEC_BAD_BLK_MGMNT, 0, 0x1);
+		printf("\t[0] SEC_BAD_BLK: %sabled\n", val ? "en" : "dis");
+		return 1;
+
+	/*   EXT_CSD_ENH_START_ADDR */
+	case 139:
+	case 138:
+	case 137:
+	case 136:
+		print_field_caption_with_offset(ENH_START_ADDR,
+			index - EXT_CSD_ENH_START_ADDR, RW);
+		val = get_field_val(ENH_START_ADDR, 0, 0xFF);
+		val = val | get_field_val(ENH_START_ADDR + 1, 0, 0xFF) << 8;
+		val = val | get_field_val(ENH_START_ADDR + 2, 0, 0xFF) << 16;
+		val = val | get_field_val(ENH_START_ADDR + 3, 0, 0xFF) << 24;
+		printf("\tEnhanced User Data Start Address: 0x%x\n", val);
+		return 1;
+
+	/*   EXT_CSD_ENH_SIZE_MULT */
+	case 142:
+	case 141:
+	case 140:
+		print_field_caption_with_offset(ENH_SIZE_MULT,
+			index - EXT_CSD_ENH_SIZE_MULT, RW);
+		val = get_field_val(ENH_SIZE_MULT, 0, 0xFF);
+		val = val | get_field_val(ENH_SIZE_MULT + 1, 0, 0xFF) << 8;
+		val = val | get_field_val(ENH_SIZE_MULT + 2, 0, 0xFF) << 16;
+		tmp = get_field_val(HC_WP_GRP_SIZE, 0, 0xFF);
+		tmp = tmp + get_field_val(HC_ERASE_GRP_SIZE, 0, 0xFF);
+		tmp64 = val * tmp * 524288;
+		printf("\tEnhanced User Data Area %i Size: %llu B\n",
+				index - EXT_CSD_ENH_SIZE_MULT, tmp64);
+		return 1;
+
+	/*   EXT_CSD_GP_SIZE_MULT_GPX */
+	case 154:
+	case 153:
+	case 152:
+		tmp = index - EXT_CSD_GP_SIZE_MULT;
+		print_field_caption_with_offset(GP_SIZE_MULT, tmp, RW);
+		val = get_field_val_with_index(tmp, 0, 0xFF);
+		val = val | get_field_val_with_index(tmp + 1, 0, 0xFF) << 8;
+		val = val | get_field_val_with_index(tmp + 2, 0, 0xFF) << 16;
+		tmp = get_field_val(HC_WP_GRP_SIZE, 0, 0xFF);
+		tmp = tmp + get_field_val(HC_ERASE_GRP_SIZE, 0, 0xFF);
+		tmp64 = val * tmp * 524288;
+		printf("\tGeneral_Purpose_Partition_%i Size: %llu B\n",
+				index - EXT_CSD_GP_SIZE_MULT, tmp64);
+		return 1;
+	case 151:
+	case 150:
+	case 149:
+		tmp = index - EXT_CSD_GP_SIZE_MULT;
+		print_field_caption_with_offset(GP_SIZE_MULT, tmp, RW);
+		val = get_field_val_with_index(tmp, 0, 0xFF);
+		val = val | get_field_val_with_index(tmp + 1, 0, 0xFF) << 8;
+		val = val | get_field_val_with_index(tmp + 2, 0, 0xFF) << 16;
+		tmp = get_field_val(HC_WP_GRP_SIZE, 0, 0xFF);
+		tmp = tmp + get_field_val(HC_ERASE_GRP_SIZE, 0, 0xFF);
+		tmp64 = val * tmp * 524288;
+		printf("\tGeneral_Purpose_Partition_%i Size: %llu B\n",
+				index - EXT_CSD_GP_SIZE_MULT, tmp64);
+		return 1;
+	case 148:
+	case 147:
+	case 146:
+		tmp = index - EXT_CSD_GP_SIZE_MULT;
+		print_field_caption_with_offset(GP_SIZE_MULT, tmp, RW);
+		val = get_field_val_with_index(tmp, 0, 0xFF);
+		val = val | get_field_val_with_index(tmp + 1, 0, 0xFF) << 8;
+		val = val | get_field_val_with_index(tmp + 2, 0, 0xFF) << 16;
+		tmp = get_field_val(HC_WP_GRP_SIZE, 0, 0xFF);
+		tmp = tmp + get_field_val(HC_ERASE_GRP_SIZE, 0, 0xFF);
+		tmp64 = val * tmp * 524288;
+		printf("\tGeneral_Purpose_Partition_%i Size: %llu B\n",
+				index - EXT_CSD_GP_SIZE_MULT, tmp64);
+		return 1;
+	case 145:
+	case 144:
+	case 143:
+		tmp = index - EXT_CSD_GP_SIZE_MULT;
+		print_field_caption_with_offset(GP_SIZE_MULT, tmp, RW);
+		val = get_field_val_with_index(tmp, 0, 0xFF);
+		val = val | get_field_val_with_index(tmp + 1, 0, 0xFF) << 8;
+		val = val | get_field_val_with_index(tmp + 2, 0, 0xFF) << 16;
+		tmp = get_field_val(HC_WP_GRP_SIZE, 0, 0xFF);
+		tmp = tmp + get_field_val(HC_ERASE_GRP_SIZE, 0, 0xFF);
+		tmp64 = val * tmp * 524288;
+		printf("\tGeneral_Purpose_Partition_%i Size: %llu B\n",
+				index - EXT_CSD_GP_SIZE_MULT, tmp64);
+		return 1;
+
+	case EXT_CSD_PARTITION_SETTING_COMPLETED:
+		print_field_caption(PARTITION_SETTING_COMPLETED, RW);
+		val = get_field_val(PARTITION_SETTING_COMPLETED, 0, 0x1);
+		printf("\t[0] PARTITION_SETTING_COMPLETED: %u\n", val);
+		return 1;
+
+	case EXT_CSD_PARTITIONS_ATTRIBUTE:
+		print_field_caption(PARTITIONS_ATTRIBUTE, RW);
+		val = get_field_val(PARTITIONS_ATTRIBUTE, 0, 0x1);
+		if (val)
+			str = "enhanced attribute in user data area";
+		else
+			str = "default";
+		printf("\t[0] ENH_USR: %s\n", str);
+		val = get_field_val(PARTITIONS_ATTRIBUTE, 1, 0x1);
+		if (val)
+			str = "enhanced attribute in general purpose partition 1";
+		else
+			str = "default";
+		printf("\t[1] ENH_1: %s\n", str);
+		val = get_field_val(PARTITIONS_ATTRIBUTE, 2, 0x1);
+		if (val)
+			str = "enhanced attribute in general purpose partition 2";
+		else
+			str = "default";
+		printf("\t[2] ENH_2: %s\n", str);
+		val = get_field_val(PARTITIONS_ATTRIBUTE, 3, 0x1);
+		if (val)
+			str = "enhanced attribute in general purpose partition 3";
+		else
+			str = "default";
+		printf("\t[3] ENH_3: %s\n", str);
+		val = get_field_val(PARTITIONS_ATTRIBUTE, 4, 0x1);
+		if (val)
+			str = "enhanced attribute in general purpose partition 4";
+		else
+			str = "default";
+		printf("\t[4] ENH_4: %s\n", str);
+		val = get_field_val(PARTITIONS_ATTRIBUTE, 5, 0x1);
+		if (val)
+			str = "enhanced attribute in general purpose partition 5";
+		else
+			str = "default";
+		printf("\t[5] ENH_5: %s\n", str);
+		return 1;
+
+	/*   EXT_CSD_MAX_ENH_SIZE_MULT */
+	case 159:
+	case 158:
+	case 157:
+		print_field_caption_with_offset(MAX_ENH_SIZE_MULT,
+			index - EXT_CSD_MAX_ENH_SIZE_MULT, R);
+		val = get_field_val(MAX_ENH_SIZE_MULT, 0, 0xFF);
+		val = val | get_field_val(MAX_ENH_SIZE_MULT + 1, 0, 0xFF) << 8;
+		val = val | get_field_val(MAX_ENH_SIZE_MULT + 2, 0, 0xFF) << 16;
+		tmp = get_field_val(HC_WP_GRP_SIZE, 0, 0xFF);
+		tmp = tmp + get_field_val(HC_ERASE_GRP_SIZE, 0, 0xFF);
+		tmp64 = val * tmp * 524288;
+		printf("\tMax Enhanced Area: %llu B\n", tmp64);
+		return 1;
+
+	case EXT_CSD_PARTITIONING_SUPPORT:
+		print_field_caption(PARTITIONING_SUPPORT, R);
+		val = get_field_val(PARTITIONING_SUPPORT, 0, 0x1);
+		printf("\t[0] PARTITIONING_EN: %ssupported\n",
+			val ? "" : "not ");
+		val = get_field_val(PARTITIONING_SUPPORT, 1, 0x1);
+		printf("\t[1] ENH_ATTRIBUTE_EN: %ssupported\n",
+			val ? "" : "not ");
+		val = get_field_val(PARTITIONING_SUPPORT, 2, 0x1);
+		printf("\t[2] EXT_ATTRIBUTE_EN: %ssupported\n",
+			val ? "" : "not ");
+		return 1;
+
+	case EXT_CSD_HPI_MGMT:
+		print_field_caption(HPI_MGMT, R);
+		val = get_field_val(HPI_MGMT, 0, 0xFF);
+		printf("\t[7-0] HPI_EN: %sactivated\n", val ? "" : "not ");
+		return 1;
+
+	case EXT_CSD_RST_N_FUNCTION:
+		print_field_caption(RST_N_FUNCTION, R);
+		val = get_field_val(RST_N_FUNCTION, 0, 0x3);
+		switch (val) {
+		case 0x0:
+			str = "temporarily disabled";
+			break;
+		case 0x1:
+			str = "permanently enabled";
+			break;
+		case 0x2:
+			str = "permanently disabled";
+			break;
+		}
+		printf("\t[1-0] RST_N_ENABLE: RST_n signal is %s\n", str);
+		return 1;
+
+	case EXT_CSD_BKOPS_EN:
+		print_field_caption(BKOPS_EN, RWaRWE);
+		val = get_field_val(BKOPS_EN, 0, 0x1);
+		if (val)
+			str = "Host is indicated";
+		else
+			str = "not supported by Host";
+		printf("\t[0] MANUAL_EN: %s\n", str);
+		val = get_field_val(BKOPS_EN, 1, 0x1);
+		if (val)
+			str = "may";
+		else
+			str = "shall not";
+		printf("\t[1] AUTO_EN: Device %s perform background operations while not servicing the host\n",
+			str);
+		return 1;
+
+	case EXT_CSD_BKOPS_START:
+		print_field_caption(BKOPS_START, WE_P);
+		printf("\t[7-0] Writing shall start a background operations.\n");
+		return 1;
+
+	case EXT_CSD_SANITIZE_START:
+		print_field_caption(SANITIZE_START, WE_P);
+		printf("\t[7-0] Writing shall start a sanitize operation.\n");
+		return 1;
+
+	case EXT_CSD_WR_REL_PARAM:
+		print_field_caption(WR_REL_PARAM, R);
+		val = get_field_val(WR_REL_PARAM, 0, 0x1);
+		if (val)
+			str = "all the WR_DATA_REL parameters in the WR_REL_SET registers are R/W";
+		else
+			str = "obsolete";
+		printf("\t[0] HS_CTRL_REL: %s\n", str);
+		val = get_field_val(WR_REL_PARAM, 2, 0x1);
+		if (val)
+			str = "the device supports the enhanced definition of reliable write";
+		else
+			str = "obsolete";
+		printf("\t[2] EN_REL_WR: %s\n", str);
+		val = get_field_val(WR_REL_PARAM, 4, 0x1);
+		printf("\t[4] EN_RPMB_REL_WR: RPMB transfer size is either 256B (1 512B frame), 512B (2 512B frame)%s\n",
+			val ? ", 8KB (32 512B frames)" : "");
+		return 1;
+
+	case EXT_CSD_WR_REL_SET:
+		print_field_caption(WR_REL_SET, RW);
+		val = get_field_val(WR_REL_SET, 0, 0x1);
+		if (val)
+			str = "the device protects previously written data if power failure occurs";
+		else
+			str = "write operations have been optimzed for performance and existing data could be at risk if a power failure occurs";
+		printf("\t[0] WR_DATA_REL_USR: %s\n", str);
+		val = get_field_val(WR_REL_SET, 1, 0x1);
+		if (val)
+			str = "the device protects previously written data if power failure occurs";
+		else
+			str = "write operations have been optimzed for performance and existing data could be at risk if a power failure occurs";
+		printf("\t[1] WR_DATA_REL_1: %s\n", str);
+		val = get_field_val(WR_REL_SET, 2, 0x1);
+		if (val)
+			str = "the device protects previously written data if power failure occurs";
+		else
+			str = "write operations have been optimzed for performance and existing data could be at risk if a power failure occurs";
+		printf("\t[2] WR_DATA_REL_2: %s\n", str);
+		val = get_field_val(WR_REL_SET, 3, 0x1);
+		if (val)
+			str = "the device protects previously written data if power failure occurs";
+		else
+			str = "write operations have been optimzed for performance and existing data could be at risk if a power failure occurs";
+		printf("\t[3] WR_DATA_REL_3: %s\n", str);
+		val = get_field_val(WR_REL_SET, 4, 0x1);
+		if (val)
+			str = "the device protects previously written data if power failure occurs";
+		else
+			str = "write operations have been optimzed for performance and existing data could be at risk if a power failure occurs";
+		printf("\t[4] WR_DATA_REL_4: %s\n", str);
+		return 1;
+
+	case EXT_CSD_RPMB_SIZE_MULT:
+		print_field_caption(RPMB_SIZE_MULT, R);
+		val = get_field_val(RPMB_SIZE_MULT, 0, 0xFF);
+		val = val * 131072;
+		printf("\t[7-0] RPMB Partition Size: %u KB\n", val);
+		return 1;
+
+	case EXT_CSD_FW_CONFIG:
+		print_field_caption(FW_CONFIG, RW);
+		val = get_field_val(FW_CONFIG, 0, 0x1);
+		printf("\t[0] Update_Disable: FW update %sabled\n",
+			val ? "dis" : "en");
+		return 1;
+
+	case EXT_CSD_USER_WP:
+		print_field_caption(USER_WP, RWaRWC_PaRWE_P);
+		val = get_field_val(USER_WP, 0, 0x1);
+		if (val)
+			str = "apply Power-On Period protection to the protection group indicated by CMD28";
+		else
+			str = "power-on write protection is not applied when CMD28 is issued";
+		printf("\t[0] US_PWR_WP_EN: %s\n", str);
+		val = get_field_val(USER_WP, 2, 0x1);
+		if (val)
+			str = "apply permanent write protection to the protection group indicated by CMD28";
+		else
+			str = "permanent write protection is not applied when CMD28 is issued";
+		printf("\t[2] US_PERM_WP_EN: %s\n", str);
+		val = get_field_val(USER_WP, 3, 0x1);
+		if (val)
+			str = "disable the use of power-on period write protection for write protection groups within all the partitions in the user area from the point this bit is set until power is removed or a hardware reset occurs. Setting this bit does not impact areas that are already protected";
+		else
+			str = "power-on write protection can be applied to write protection groups";
+		printf("\t[3] US_PWR_WP_DIS: %s\n", str);
+		val = get_field_val(USER_WP, 4, 0x1);
+		if (val)
+			str = "permanently disable the use of permanent write protection for write protection groups within all the partitions in the user area from the point this bit is set forward. Setting this bit does not impact areas that are already protected";
+		else
+			str = "permanent write protection can be applied to write protection groups";
+		printf("\t[4] US_PERM_WP_DIS: %s\n", str);
+		val = get_field_val(USER_WP, 6, 0x1);
+		if (val)
+			str = "dissable the use of PERM_WRITE_PROTECT (CSD[13])";
+		else
+			str = "host is permitted to set PERM_WRITE_PROTECT (CSD[13])";
+		printf("\t[6] CD_PERM_WP_DIS: %s\n", str);
+
+		val = get_field_val(USER_WP, 7, 0x1);
+		printf("\t[7] PERM_PSWD_DS: Password protection features are %sabled\n",
+			val ? "dis" : "en");
+		return 1;
+
+	case EXT_CSD_BOOT_WP:
+		print_field_caption(BOOT_WP, RWaRWC_P);
+		val = get_field_val(BOOT_WP, 0, 0x1);
+		if (val)
+			str = "enable Power-On Period write protection to the boot area";
+		else
+			str = "boot region is not power-on write protected";
+		printf("\t[0] B_PWR_WP_EN: %s\n", str);
+		val = get_field_val(BOOT_WP, 1, 0x1);
+		printf("\t[1] B_PWR_WP_SEC_SEL: B_PWR_WP_EN(Bit 0) applies to boot Area%s only, if B_SEC_WP_SEL (bit 7 is set)\n",
+			val ? "2" : "1");
+		val = get_field_val(BOOT_WP, 2, 0x1);
+		printf("\t[2] B_PERM_WP_EN: Boot region is %spermanently write protected\n",
+			val ? "" : "not ");
+		val = get_field_val(BOOT_WP, 3, 0x1);
+		printf("\t[3] B_PERM_WP_SEC_SEL: B_PERM_WP_EN(Bit 2) applies to boot Area%s only, if B_SEC_WP_SEL (bit 7 is set)\n",
+			val ? "2" : "1");
+		val = get_field_val(BOOT_WP, 4, 0x1);
+		if (val)
+			str = "permanently disable the use of";
+		else
+			str = "master is permitted to use";
+		printf("\t[4] B_PERM_WP_DIS: %s B_PERM_WP_EN(bit 2)\n", str);
+		val = get_field_val(BOOT_WP, 6, 0x1);
+		if (val)
+			str = "disbale the use of";
+		else
+			str = "master is permitted to set";
+		printf("\t[5] B_PWR_WP_DIS: %s B_PWR_WP_EN(bit 0)\n", str);
+		val = get_field_val(BOOT_WP, 7, 0x1);
+		if (val)
+			str = "only boot partition selected by B_PERM_WP_SEC_SEL (bit 3) and B_PWR_WP_SEC_SEL (bit 1) respectively";
+		else
+			str = "both boot partitions and B_PERM_WP_SEC_SEL (bit 3) and B_PWR_WP_SEC_SEL (bit 1) have no impact";
+		printf("\t[6] B_SEC_WP_SEL: B_PERM_WP_EN(bit2) and B_PWR_WP_EN (bit 0) apply to %s\n",
+			str);
+		return 1;
+
+	case EXT_CSD_BOOT_WP_STATUS:
+		print_field_caption(BOOT_WP_STATUS, R);
+		val = get_field_val(BOOT_WP_STATUS, 0, 0x3);
+		switch (val) {
+		case 0x0:
+			str = "not protected";
+			break;
+		case 0x1:
+			str = "Power on protected";
+			break;
+		case 0x2:
+			str = "Permanently Protected";
+			break;
+		}
+		printf("\t[1-0] B_AREA_1_WP: Boot Area 1 is %s\n", str);
+		val = get_field_val(BOOT_WP_STATUS, 2, 0x3);
+		switch (val) {
+		case 0x0:
+			str = "not protected";
+			break;
+		case 0x1:
+			str = "Power on protected";
+			break;
+		case 0x2:
+			str = "Permanently Protected";
+			break;
+		}
+		printf("\t[3-2] B_AREA_2_WP: Boot Area 2 is %s\n", str);
+		return 1;
+
+	case EXT_CSD_SEC_FEATURE_SUPPORT:
+		print_field_caption(SEC_FEATURE_SUPPORT, R);
+		val = get_field_val(SEC_FEATURE_SUPPORT, 0, 0x1);
+		printf("\t[0] SECURE_ER_EN: %ssupported\n", val ? "" : "not ");
+		val = get_field_val(SEC_FEATURE_SUPPORT, 2, 0x1);
+		printf("\t[1] SEC_BD_BLK_EN: %ssupported\n", val ? "" : "not ");
+		val = get_field_val(SEC_FEATURE_SUPPORT, 4, 0x1);
+		printf("\t[4] SEC_GB_CL_EN: %ssupported\n", val ? "" : "not ");
+		val = get_field_val(SEC_FEATURE_SUPPORT, 6, 0x1);
+		printf("\t[6] SEC_SANITIZE: %ssupported\n", val ? "" : "not ");
+		return 1;
+
+	case EXT_CSD_TRIM_MULT:
+		print_field_caption(TRIM_MULT, R);
+		val = get_field_val(TRIM_MULT, 0, 0xFF);
+		val = val * 300;
+		printf("\t[7-0] TRIM/DISCARD Time out value: %u\n", val);
+		return 1;
+
+	case EXT_CSD_MIN_PERF_DDR_R_8_52:
+		print_field_caption(MIN_PERF_DDR_R_8_52, R);
+		val = get_field_val(MIN_PERF_DDR_R_8_52, 0, 0xFF);
+		printf("\t[7-0] Minimum Read Performance for 8bit at 52MHz in DDR mode %#02x\n",
+			val);
+		return 1;
+
+	case EXT_CSD_MIN_PERF_DDR_W_8_52:
+		print_field_caption(MIN_PERF_DDR_W_8_52, R);
+		val = get_field_val(MIN_PERF_DDR_W_8_52, 0, 0xFF);
+		printf("\tMinimum Write Performance for 8bit at 52MHz in DDR mode %#02x\n",
+			val);
+		return 1;
+
+	case EXT_CSD_PWR_CL_DDR_52_195:
+		print_field_caption(PWR_CL_DDR_52_195, R);
+		val = get_field_val(PWR_CL_DDR_52_195, 0, 0xFF);
+		printf("\tPower class for 52MHz, DDR at 1.95V %#02x\n", val);
+		return 1;
+
+	case EXT_CSD_PWR_CL_DDR_52_360:
+		print_field_caption(PWR_CL_DDR_52_360, R);
+		val = get_field_val(PWR_CL_DDR_52_360, 0, 0xFF);
+		printf("\tPower class for 52MHz, DDR at 3.6V %#02x\n", val);
+		return 1;
+
+	case EXT_CSD_INI_TIMEOUT_AP:
+		print_field_caption(INI_TIMEOUT_AP, R);
+		val = get_field_val(INI_TIMEOUT_AP, 0, 0xFF);
+		val = val * 100;
+		printf("\tInitialization Time out value: %u ms\n", val);
+		return 1;
+
+	/*   EXT_CSD_CORRECTLY_PRG_SECTORS_NUM */
+	case 245:
+	case 244:
+	case 243:
+	case 242:
+		print_field_caption_with_offset(CORRECTLY_PRG_SECTORS_NUM,
+			index - EXT_CSD_CORRECTLY_PRG_SECTORS_NUM, R);
+		val = get_field_val(CORRECTLY_PRG_SECTORS_NUM, 0, 0xFF);
+		val = val | get_field_val(CORRECTLY_PRG_SECTORS_NUM + 1, 0,
+			0xFF) << 8;
+		val = val | get_field_val(CORRECTLY_PRG_SECTORS_NUM + 2, 0,
+			0xFF) << 16;
+		val = val | get_field_val(CORRECTLY_PRG_SECTORS_NUM + 3, 0,
+			0xFF) << 24;
+		printf("\tNumber of correctly programmed sectors: %u\n",
+			val);
+		return 1;
+
+	case EXT_CSD_BKOPS_STATUS:
+		print_field_caption(BKOPS_STATUS, R);
+		val = get_field_val(BKOPS_STATUS, 0, 0x3);
+		switch (val) {
+		case 0:
+			str = "not required";
+			break;
+		case 1:
+			str = "outstanding (non critical)";
+			break;
+		case 2:
+			str = "outstanding (performance being impacted)";
+			break;
+		case 3:
+			str = "outstanding (critical)";
+			break;
+		}
+		printf("\t[1-0] Operations %s\n", str);
+		return 1;
+
+	}
+
+	return 0;
+}
+static int print_field_eq_v5(u8 *reg, int index)
+{
+	int rev;
+	u32 val;
+
+	rev = reg[EXT_CSD_REV];
+
+	switch (index) {
+	case EXT_CSD_SEC_TRIM_MULT:
+		print_field_caption(SEC_TRIM_MULT, R);
+		val = get_field_val(SEC_TRIM_MULT, 0, 0xFF);
+		val = val * 300 * get_field_val(ERASE_TIMEOUT_MULT, 0,
+			0xFF);
+		printf("\tSecure Trim time-out value: %u\n", val);
+		return 1;
+
+	case EXT_CSD_SEC_ERASE_MULT:
+		print_field_caption(SEC_ERASE_MULT, R);
+		val = get_field_val(SEC_ERASE_MULT, 0, 0xFF);
+		val = val * 300 * get_field_val(ERASE_TIMEOUT_MULT, 0,
+			0xFF);
+		printf("\tSecure Erase time-out value: %u\n", val);
+		return 1;
+
+	}
+
+	return 0;
+}
+
+static int print_field(u8 *reg, int index)
+{
+	int rev;
+	u32 val;
+	u64 tmp64;
+	char *str = NULL;
+
+	rev = reg[EXT_CSD_REV];
+
+	if (rev >= 7)
+		return print_field_ge_v7(reg, index);
+	if (rev >= 6)
+		return print_field_ge_v6(reg, index);
+	if (rev >= 5)
+		return print_field_ge_v5(reg, index);
+	if (rev == 5)
+		return print_field_eq_v5(reg, index);
+
+	switch (index) {
+	case EXT_CSD_ERASE_GROUP_DEF:
+		print_field_caption(ERASE_GROUP_DEF, RWE_P);
+		val = get_field_val(ERASE_GROUP_DEF, 0, 0x1);
+		printf("\t[0] ENABLE: Use %s size definition\n",
+			val ? "high-capacity" : "old");
+		return 1;
+
+	case EXT_CSD_BOOT_BUS_CONDITIONS:
+		print_field_caption(BOOT_BUS_CONDITIONS, RWE);
+		val = get_field_val(BOOT_BUS_CONDITIONS, 0, 0x3);
+		switch (val) {
+		case 0x0:
+			str = "x1 (sdr) or x4 (ddr)";
+			break;
+		case 0x1:
+			str = "x4 (sdr/ddr)";
+			break;
+		case 0x2:
+			str = "x8 (sdr/ddr)";
+			break;
+		}
+		printf("\t[1-0] BOOT_BUS_WIDTH: %s bus width in boot operation mode\n",
+			str);
+		val = get_field_val(BOOT_BUS_CONDITIONS, 2, 0x1);
+		if (val)
+			str = "Reset bus width to x1, single data rate and backward compatible timings after boot operation";
+		else
+			str = "Retain BOOT_BUS_WIDTH and BOOT_MODE values after boot operation. This is relevant to Push-pull mode operation only";
+		printf("\t[2] RESET_BOOT_BUS_CONDITIONS: %s", str);
+		val = get_field_val(BOOT_BUS_CONDITIONS, 3, 0x3);
+		switch (val) {
+		case 0x0:
+			str = "Use single data rate + backward compatible timings in boot operation";
+			break;
+		case 0x1:
+			str = "Use single data rate + High Speed timings in boot operation mode";
+			break;
+		case 0x2:
+			str = "Use dual data rate in boot operation";
+			break;
+		}
+		printf("\t[3] BOOT_MODE: %s\n", str);
+		return 1;
+
+	case EXT_CSD_BOOT_CONFIG_PROT:
+		print_field_caption(BOOT_CONFIG_PROT, RWaRWC_P);
+		val = get_field_val(BOOT_CONFIG_PROT, 0, 0x1);
+		printf("\t[0] PWR_BOOT_CONFIG_PROT: %u\n", val);
+		val = get_field_val(BOOT_CONFIG_PROT, 4, 0x1);
+		printf("\t[4] PERM_BOOT_CONFIG_PROT: %u\n", val);
+		return 1;
+
+	case EXT_CSD_PARTITION_CONFIG:
+		print_field_caption(PARTITION_CONFIG, RWEaRWE_P);
+		val = get_field_val(PARTITION_CONFIG, 0, 0x7);
+		switch (val) {
+		case 0x0:
+			str = "No access to boot partition";
+			break;
+		case 0x1:
+			str = "R/W boot partition 1";
+			break;
+		case 0x2:
+			str = "R/W boot partition 2";
+			break;
+		case 0x3:
+			str = "R/W Replay Protected Memory Block (RPMB)";
+			break;
+		case 0x4:
+			str = "Access to General Purpose partition 1";
+			break;
+		case 0x5:
+			str = "Access to General Purpose partition 2";
+			break;
+		case 0x6:
+			str = "Access to General Purpose partition 3";
+			break;
+		case 0x7:
+			str = "Access to General Purpose partition 4";
+			break;
+		}
+		printf("\t[2-0] PARTITION_ACCESS: %s\n", str);
+		val = get_field_val(PARTITION_CONFIG, 3, 0x7);
+		switch (val) {
+		case 0x0:
+			str = "Device not boot enabled";
+			break;
+		case 0x1:
+			str = "Boot partition 1 enabled for boot";
+			break;
+		case 0x2:
+			str = "Boot partition 2 enabled for boot";
+			break;
+		case 0x7:
+			str = "User area enabled for boot";
+			break;
+		}
+		printf("\t[5-3] BOOT_PARTITION_ENABLE: %s\n", str);
+		val = get_field_val(PARTITION_CONFIG, 6, 0x1);
+		if (val)
+			str = "Boot acknowledge sent during boot operation Bit";
+		else
+			str = "No boot acknowledge sent";
+		printf("\t[6] BOOT_ACK: %s\n", str);
+		return 1;
+
+	case EXT_CSD_ERASED_MEM_CONT:
+		print_field_caption(ERASED_MEM_CONT, R);
+		val = get_field_val(ERASED_MEM_CONT, 0, 0x1);
+		printf("\t[0] Erased Memory Content: %u\n", val);
+		return 1;
+
+	case EXT_CSD_BUS_WIDTH:
+		print_field_caption(BUS_WIDTH, WE_P);
+		val = get_field_val(BUS_WIDTH, 0, 0xF);
+		switch (val) {
+		case 0:
+			str = "1 bit data bus";
+			break;
+		case 1:
+			str = "4 bit data bus";
+			break;
+		case 2:
+			str = "8 bit data bus";
+			break;
+		case 5:
+			str = "4 bit data bus (dual data rate)";
+			break;
+		case 6:
+			str = "8 bit data bus (DDR)";
+			break;
+		}
+		printf("\t[3-0] Bus Mode: %s\n", str);
+		val = get_field_val(BUS_WIDTH, 7, 0x1);
+		printf("\t[7] Strobe is provided during Data Out, CRC response%s\n",
+			val ? ", CMD Response" : "");
+		return 1;
+
+	case EXT_CSD_STROBE_SUPPORT:
+		print_field_caption(STROBE_SUPPORT, R);
+		val = get_field_val(STROBE_SUPPORT, 0, 0x1);
+		printf("\t[0] Enhanced Strobe mode: %ssupported\n",
+			val ? "" : "not ");
+		return 1;
+
+	case EXT_CSD_HS_TIMING:
+		print_field_caption(HS_TIMING, RWE_P);
+		val = get_field_val(HS_TIMING, 0, 0xF);
+		switch (val) {
+		case 0x0:
+			str = "Selecting backwards compatibility interface timing";
+			break;
+		case 0x1:
+			str = "High Speed";
+			break;
+		case 0x2:
+			str = "HS200";
+			break;
+		case 0x3:
+			str = "HS400";
+			break;
+		}
+		printf("\t[3-0] Timing Interface: %s\n", str);
+		return 1;
+
+	case EXT_CSD_POWER_CLASS:
+		print_field_caption(POWER_CLASS, RWE_P);
+		val = get_field_val(POWER_CLASS, 0, 0xFF);
+		printf("\t[7-0] Device power class code: %#02x\n", val);
+		return 1;
+
+	case EXT_CSD_CMD_SET_REV:
+		print_field_caption(CMD_SET_REV, R);
+		val = get_field_val(CMD_SET_REV, 0, 0xFF);
+		printf("\t[7-0] Command set revisions: %#02x\n", val);
+		return 1;
+
+	case EXT_CSD_CMD_SET:
+		print_field_caption(CMD_SET, RWE_P);
+		val = get_field_val(CMD_SET, 0, 0xFF);
+		printf("\t[7-0] Command set that is currently active in the Device: %#02x\n",
+			val);
+		return 1;
+
+	case EXT_CSD_REV:
+		print_field_caption(REV, R);
+		val = get_field_val(REV, 0, 0x1F);
+		switch (val) {
+		case 0:
+			str = "1.0 (for MMC v4.0)";
+			break;
+		case 1:
+			str = "1.1 (for MMC v4.1)";
+			break;
+		case 2:
+			str = "1.2 (for MMC v4.2)";
+			break;
+		case 3:
+			str = "1.3 (for MMC v4.3)";
+			break;
+		case 4:
+			str = "1.4 (Obsolete)";
+			break;
+		case 5:
+			str = "1.5 (for MMC v4.41)";
+			break;
+		case 6:
+			str = "1.6 (for MMC v4.5, v4.51)";
+			break;
+		case 7:
+			str = "1.7 (for MMC v5.0, v5.01)";
+			break;
+		case 8:
+			str = "1.8 (for MMC v5.1)";
+			break;
+		}
+		printf("\t[4-0] Extended CSD Revision: Revision %s\n", str);
+		return 1;
+
+	case EXT_CSD_CSD_STRUCTURE:
+		print_field_caption(CSD_STRUCTURE, R);
+		val = get_field_val(CSD_STRUCTURE, 0, 0x3);
+		switch (val) {
+		case 0x0:
+			str = "0";
+			break;
+		case 0x1:
+			str = "1";
+			break;
+		case 0x2:
+			str = "2";
+			break;
+		}
+		printf("\t[1-0] CSD structure version: CSD version No. 1.%s\n",
+			str);
+		return 1;
+
+	case EXT_CSD_DEVICE_TYPE:
+		print_field_caption(DEVICE_TYPE, R);
+		val = get_field_val(DEVICE_TYPE, 0, 0xFF);
+		switch (val) {
+		case 0x1:
+			str = "HS eMMC @26MHz - at rated device voltage(s)";
+			break;
+		case 0x2:
+			str = "HS eMMC @52MHz - at rated device voltage(s)";
+			break;
+		case 0x4:
+			str = "HS Dual Data Rate eMMC @52MHz 1.8V or 3VI/O";
+			break;
+		case 0x8:
+			str = "HS Dual Data Rate eMMC @52MHz 1.2VI/O";
+			break;
+		case 0x10:
+			str = "HS200 Single Data Rate eMMC @200MHz 1.8VI/O";
+			break;
+		case 0x20:
+			str = "HS200 Single Data Rate eMMC @200MHz 1.2VI/O";
+			break;
+		}
+		printf("\t%s\n", str);
+		return 1;
+
+	/* TODO: missing JEDEC documention */
+	case EXT_CSD_PWR_CL_52_195:
+		print_field_caption(PWR_CL_52_195, R)
+		val = get_field_val(PWR_CL_52_195, 0, 0xFF);
+		printf("\tPower class for 52 MHz at 1.95 V 1 R: %#02x\n", val);
+		return 1;
+
+	case EXT_CSD_PWR_CL_26_195:
+		print_field_caption(PWR_CL_26_195, R)
+		val = get_field_val(PWR_CL_26_195, 0, 0xFF);
+		printf("\tPower class for 26 MHz at 1.95 V 1 R: %#02x\n", val);
+		return 1;
+
+	case EXT_CSD_PWR_CL_52_360:
+		print_field_caption(PWR_CL_52_360, R)
+		val = get_field_val(PWR_CL_52_360, 0, 0xFF);
+		printf("\tPower class for 52 MHz at 3.6 V 1 R: %#02x\n", val);
+		return 1;
+
+	case EXT_CSD_PWR_CL_26_360:
+		print_field_caption(PWR_CL_26_360, R)
+		val = get_field_val(PWR_CL_26_360, 0, 0xFF);
+		printf("\tPower class for 26 MHz at 3.6 V 1 R: %#02x\n", val);
+		return 1;
+
+	case EXT_CSD_MIN_PERF_R_4_26:
+		print_field_caption(MIN_PERF_R_4_26, R)
+		val = get_field_val(MIN_PERF_R_4_26, 0, 0xFF);
+		printf("\tMinimum Read Performance for 4bit at 26 MHz: %#02x\n",
+			val);
+		return 1;
+
+	case EXT_CSD_MIN_PERF_W_4_26:
+		print_field_caption(MIN_PERF_W_4_26, R)
+		val = get_field_val(MIN_PERF_W_4_26, 0, 0xFF);
+		printf("\tMinimum Write Performance for 4bit at 26 MHz: %#02x\n",
+			val);
+		return 1;
+
+	case EXT_CSD_MIN_PERF_R_8_26_4_52:
+		print_field_caption(MIN_PERF_R_8_26_4_52, R)
+		val = get_field_val(MIN_PERF_R_8_26_4_52, 0, 0xFF);
+		printf("\tMinimum Read Performance for 8bit at 26 MHz, for 4bit at 52MHz: %#02x\n",
+			val);
+		return 1;
+
+	case EXT_CSD_MIN_PERF_W_8_26_4_52:
+		print_field_caption(MIN_PERF_W_8_26_4_52, R)
+		val = get_field_val(MIN_PERF_W_8_26_4_52, 0, 0xFF);
+		printf("\tMinimum Write Performance for 8bit at 26 MHz, for 4bit at 52MHz: %#02x\n",
+			val);
+		return 1;
+
+	case EXT_CSD_MIN_PERF_R_8_52:
+		print_field_caption(MIN_PERF_R_8_52, R)
+		val = get_field_val(MIN_PERF_R_8_52, 0, 0xFF);
+		printf("\tMinimum Read Performance for 8bit at 52 MHz: %#02x\n",
+			val);
+		return 1;
+
+	case EXT_CSD_MIN_PERF_W_8_52:
+		print_field_caption(MIN_PERF_W_8_52, R)
+		val = get_field_val(MIN_PERF_W_8_52, 0, 0xFF);
+		printf("\tMinimum Write Performance for 8bit at52 MHz: %#02x\n",
+			val);
+		return 1;
+
+	case EXT_CSD_SECURE_WP_INFO:
+		print_field_caption(SECURE_WP_INFO, R);
+		val = get_field_val(SECURE_WP_INFO, 0, 0x1);
+		printf("\t[0] SECURE_WP_SUPPORT: %ssupported\n",
+			val ? "" : "not ");
+		val = get_field_val(SECURE_WP_INFO, 1, 0x1);
+		printf("\t[1] SECURE_WP_EN_STATUS: %s Write Protection mode\n",
+			val ? "Secure" : "Legacy");
+		return 1;
+
+	/*   EXT_CSD_SEC_COUNT */
+	case 215:
+	case 214:
+	case 213:
+	case 212:
+		print_field_caption_with_offset(SEC_COUNT,
+			index - EXT_CSD_SEC_COUNT, R);
+		val = get_field_val(SEC_COUNT, 0, 0xFF);
+		val = val | get_field_val(SEC_COUNT + 1, 0, 0xFF) << 8;
+		val = val | get_field_val(SEC_COUNT + 2, 0, 0xFF) << 16;
+		val = val | get_field_val(SEC_COUNT + 3, 0, 0xFF) << 24;
+		tmp64 = val * 512;
+		printf("\tDevice density: %llu B\n", tmp64);
+		return 1;
+
+	case EXT_CSD_SLEEP_NOTIFICATION_TIME:
+		print_field_caption(SLEEP_NOTIFICATION_TIME, R);
+		val = get_field_val(SLEEP_NOTIFICATION_TIME, 0, 0xFF);
+		val = 100 << val;
+		if (val)
+			sprintf(str, "Sleep Notification timeout values: %u us",
+				val);
+		else
+			str = "Not defined";
+		printf("\t[7-0] %s\n", str);
+		return 1;
+
+	case EXT_CSD_S_A_TIMEOUT:
+		print_field_caption(S_A_TIMEOUT, R);
+		val = get_field_val(S_A_TIMEOUT, 0, 0xFF);
+		val = 100 << val;
+		if (val)
+			sprintf(str, "Sleep/awake timeout values: %u ns", val);
+		else
+			str = "Not defined";
+		printf("\t[7-0] %s\n", str);
+		return 1;
+
+	case EXT_CSD_PRODUCTION_ST8_AWARENSS_TIMEOUT:
+		print_field_caption(PRODUCTION_ST8_AWARENSS_TIMEOUT, R);
+		val = get_field_val(PRODUCTION_ST8_AWARENSS_TIMEOUT, 0, 0xFF);
+		val = 100 << val;
+		if (val)
+			sprintf(str,
+			"Production State Awareness timeout definition: %u us",
+				val);
+		else
+			str = "Not defined";
+		printf("\t[7-0] %s\n", str);
+		return 1;
+
+	case EXT_CSD_S_C_VCCQ:
+		print_field_caption(S_C_VCCQ, R);
+		val = get_field_val(S_C_VCCQ, 0, 0xF);
+		val = 1 << val;
+		if (val)
+			sprintf(str, "S_C_VCCQ Sleep Current: %u uA", val);
+		else
+			str = "Not defined";
+		printf("\t[3-0] %s\n", str);
+		return 1;
+
+	case EXT_CSD_S_C_VCC:
+		print_field_caption(S_C_VCC, R);
+		val = get_field_val(S_C_VCC, 0, 0xFF);
+		val = 1 << val;
+		if (val)
+			sprintf(str, "S_C_VCC Sleep Current: %u uA", val);
+		else
+			str = "Not defined";
+		printf("\t[3-0] %s\n", str);
+		return 1;
+
+	case EXT_CSD_HC_WP_GRP_SIZE:
+		print_field_caption(HC_WP_GRP_SIZE, R);
+		val = get_field_val(HC_WP_GRP_SIZE, 0, 0xFF);
+		if (val)
+			sprintf(str, "Write protect group size: %u", val);
+		else
+			str = "No support";
+		printf("\t[7-0] %s\n", str);
+		return 1;
+
+	case EXT_CSD_REL_WR_SEC_C:
+		print_field_caption(REL_WR_SEC_C, R);
+		val = get_field_val(REL_WR_SEC_C, 0, 0xFF);
+		printf("\t[7-0] Reliable Write Sector Count: %u\n", val);
+		return 1;
+
+	case EXT_CSD_ERASE_TIMEOUT_MULT:
+		print_field_caption(ERASE_TIMEOUT_MULT, R);
+		val = get_field_val(ERASE_TIMEOUT_MULT, 0, 0xFF);
+		val = val * 300;
+		if (val)
+			sprintf(str, "Erase timeout values: %u", val);
+		else
+			str = "No support";
+		printf("\t[7-0] %s\n", str);
+		return 1;
+
+	case EXT_CSD_HC_ERASE_GRP_SIZE:
+		print_field_caption(HC_ERASE_GRP_SIZE, R);
+		val = get_field_val(HC_ERASE_GRP_SIZE, 0, 0xFF);
+		val = val * 524288;
+		if (val)
+			sprintf(str, "Erase-unit size: %u", val);
+		else
+			str = "No support";
+		printf("\t[7-0] %s\n", str);
+		return 1;
+
+	case EXT_CSD_ACC_SIZE:
+		print_field_caption(ACC_SIZE, R);
+		val = get_field_val(ACC_SIZE, 0, 0xF);
+		val = val * 512;
+		if (val)
+			sprintf(str, "Superpage size: %u", val);
+		else
+			str = "Not defined";
+		printf("\t[3-0] %s\n", str);
+		return 1;
+
+	case EXT_CSD_BOOT_SIZE_MULT:
+		print_field_caption(BOOT_SIZE_MULT, R);
+		val = get_field_val(BOOT_SIZE_MULT, 0, 0xFF);
+		val = val * 131072;
+		printf("\tBoot partition size: %u\n", val);
+		return 1;
+
+	case EXT_CSD_BOOT_INFO:
+		print_field_caption(BOOT_INFO, R);
+		val = get_field_val(BOOT_INFO, 0, 0x1);
+		printf("\t[0] ALT_BOOT_MODE: %ssupported\n", val ? "" : "not ");
+		val = get_field_val(BOOT_INFO, 1, 0x1);
+		printf("\t[1] DDR_BOOT_MODE: %ssupported\n", val ? "" : "not ");
+		val = get_field_val(BOOT_INFO, 2, 0x1);
+		printf("\t[2] HS_BOOT_MODE: %ssupported\n", val ? "" : "not ");
+		return 1;
+
+	case EXT_CSD_BKOPS_SUPPORT:
+		print_field_caption(BKOPS_SUPPORT, R);
+		val = get_field_val(BKOPS_SUPPORT, 0, 0x1);
+		printf("\t[0] SUPPORTED: %u\n", val);
+		return 1;
+
+	case EXT_CSD_HPI_FEATURES:
+		print_field_caption(HPI_FEATURES, R);
+		val = get_field_val(HPI_FEATURES, 0, 0x1);
+		printf("\t[0] HPI_SUPPORTED: %u\n", val);
+		val = get_field_val(HPI_FEATURES, 1, 0x1);
+		printf("\t[1] HPI_FEATURES: implementation based on CMD1%s\n",
+			val ? "2" : "3");
+		return 1;
+
+	case EXT_CSD_S_CMD_SET:
+		print_field_caption(S_CMD_SET, R);
+		val = get_field_val(S_CMD_SET, 0, 0xFF);
+		printf("\t[7-0] Command Set: %#02x\n", val);
+		return 1;
+
+	case EXT_CSD_EXT_SECURITY_ERR:
+		print_field_caption(EXT_SECURITY_ERR, R);
+		val = get_field_val(EXT_SECURITY_ERR, 0, 0x1);
+		printf("\t[0] SEC_INVALID_COMMAND_PARAMETERS: %u\n", val);
+		val = get_field_val(EXT_SECURITY_ERR, 1, 0x1);
+		printf("\t[1] ACCESS_DENIED: %u\n", val);
+		return 1;
+
+	}
+
+	return 0;
+}
+
+static void print_register_raw(u8 *reg, int index)
+{
+	if (index == 0)
+		memory_display(reg, 0, EXT_CSD_BLOCKSIZE, 1, 0);
+	else
+		printf("%u: %#02x\n", index, reg[index]);
+}
+
+static void print_register_readable(u8 *reg, int index)
+{
+	int i;
+
+	if (index == 0)
+		for (i = 0; i < EXT_CSD_BLOCKSIZE; i++)
+			print_field(reg, i);
+	else
+		if (!print_field(reg, index))
+			printf("No field with this index found\n");
+
+	print_access_type_key();
+}
+
+static int request_write_operation(void)
+{
+	int c;
+
+	printf("This is a one time programmable field!\nDo you want to write? [y/N] ");
+	c = getc();
+	/* default is N */
+	if (c == 0xD) {
+		printf("\n");
+		return 0;
+	}
+	printf("%c", c);
+	getc(); /* wait for carriage return */
+	printf("\n");
+	if (c == 'y' || c == 'Y')
+		return 1;
+	return 0;
+}
+
+static void write_field(struct mci *mci, u8 *reg, u16 index, u8 value,
+				int always_write)
+{
+
+	switch (index) {
+	case EXT_CSD_BOOT_CONFIG_PROT:
+	case EXT_CSD_BOOT_WP:
+	case EXT_CSD_USER_WP:
+	case EXT_CSD_FW_CONFIG:
+	case EXT_CSD_WR_REL_SET:
+	case EXT_CSD_BKOPS_EN:
+	case EXT_CSD_RST_N_FUNCTION:
+	case EXT_CSD_PARTITIONS_ATTRIBUTE:
+	case EXT_CSD_PARTITION_SETTING_COMPLETED:
+	/*   EXT_CSD_GP_SIZE_MULT */
+	case 154:
+	case 153:
+	case 152:
+	case 151:
+	case 150:
+	case 149:
+	case 148:
+	case 147:
+	case 146:
+	case 145:
+	case 144:
+	case 143:
+	/*   EXT_CSD_ENH_SIZE_MULT */
+	case 142:
+	case 141:
+	case 140:
+	/*   EXT_CSD_ENH_START_ADDR */
+	case 139:
+	case 138:
+	case 137:
+	case 136:
+	case EXT_CSD_SEC_BAD_BLK_MGMNT:
+	case EXT_CSD_USE_NATIVE_SECTOR:
+	/*   EXT_CSD_EXT_PARTITIONS_ATTRIBUTE */
+	case 53:
+	case 52:
+	case EXT_CSD_BARRIER_CTRL:
+	case EXT_CSD_SECURE_REMOVAL_TYPE:
+		if (!always_write)
+			if (request_write_operation() == 0) {
+				printf("Abort write operation!\n");
+				goto out;
+			}
+		break;
+	}
+
+	mci_switch(mci, 0, index, value);
+
+out:
+	return;
+}
+
+static int do_mmc_extcsd(int argc, char *argv[])
+{
+	struct mci		*mci;
+	struct mci_host		*host;
+	u8			*dst;
+	int			retval = 0;
+	int			opt;
+	char			*devname;
+	int			index = 0;
+	int			value = 0;
+	int			write_operation = 0;
+	int			always_write = 0;
+	int			print_as_raw = 0;
+
+	if (argc < 2)
+		return COMMAND_ERROR_USAGE;
+
+	while ((opt = getopt(argc, argv, "i:v:yr")) > 0)
+		switch (opt) {
+		case 'i':
+			index = simple_strtoul(optarg, NULL, 0);
+			break;
+		case 'v':
+			value = simple_strtoul(optarg, NULL, 0);
+			write_operation = 1;
+			break;
+		case 'y':
+			always_write = 1;
+			break;
+		case 'r':
+			print_as_raw = 1;
+			break;
+		}
+
+	if (optind == argc)
+		return COMMAND_ERROR_USAGE;
+
+	devname = argv[optind];
+	if (!strncmp(devname, "/dev/", 5))
+		devname += 5;
+
+	mci = mci_get_device_by_name(devname);
+	if (mci == NULL) {
+		retval = -ENOENT;
+		goto error;
+	}
+	host = mci->host;
+	if (host == NULL) {
+		retval = -ENOENT;
+		goto error;
+	}
+	dst = xmalloc(EXT_CSD_BLOCKSIZE);
+
+	retval = mci_send_ext_csd(mci, dst);
+	if (retval != 0)
+		goto error_with_mem;
+
+	if (dst[EXT_CSD_REV] < 3) {
+		printf("MMC version 4.2 or lower are not supported");
+		retval = 1;
+		goto error_with_mem;
+	}
+
+	if (write_operation)
+		if (!print_field(dst, index)) {
+			printf("No field with this index found. Abort write operation!\n");
+		} else {
+			write_field(mci, dst, index, value, always_write);
+			printf("\nValue written!\n\n");
+			retval = mci_send_ext_csd(mci, dst);
+			if (retval != 0)
+				goto error_with_mem;
+			print_field(dst, index);
+		}
+	else
+		if (print_as_raw)
+			print_register_raw(dst, index);
+		else
+			print_register_readable(dst, index);
+
+error_with_mem:
+	free(dst);
+error:
+	return retval;
+}
+
+BAREBOX_CMD_HELP_START(mmc_extcsd)
+BAREBOX_CMD_HELP_TEXT("Options:")
+BAREBOX_CMD_HELP_OPT("-i", "field index of the register")
+BAREBOX_CMD_HELP_OPT("-r", "print the register as raw data")
+BAREBOX_CMD_HELP_OPT("-v", "value which will be written")
+BAREBOX_CMD_HELP_OPT("-y", "don't request when writing to one time programmable fields")
+BAREBOX_CMD_HELP_OPT("",   "__CAUTION__: this could damage the device!")
+BAREBOX_CMD_HELP_END
+
+BAREBOX_CMD_START(mmc_extcsd)
+	.cmd		= do_mmc_extcsd,
+	BAREBOX_CMD_DESC("Read/write the extended CSD register.")
+	BAREBOX_CMD_OPTS("dev [-r | -i index [-r | -v value [-y]]]")
+	BAREBOX_CMD_GROUP(CMD_GRP_CONSOLE)
+	BAREBOX_CMD_HELP(cmd_mmc_extcsd_help)
+BAREBOX_CMD_END
-- 
1.9.1


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Re: [PATCH v3 4/4] commands: Add MMC ext. CSD register tool

[Sascha Hauer]

On Wed, Sep 02, 2015 at 08:28:53AM +0200, Daniel Schultz wrote:
> +#define EXT_CSD_BLOCKSIZE	512
> +
> +/* Access types */
> +#define R		"R"
> +#define RW		"R/W"
> +#define RWaR		"R/W & R"
> +#define RWaRWE		"R/W & R/W/E"
> +#define RWaRWC_P	"R/W & R/W/C_P"
> +#define RWaRWC_PaRWE_P	"R/W, R/W/C_P & R/W/E_P"
> +#define WE		"W/E"
> +#define RWE		"R/W/E"
> +#define RWEaR		"R/W/E & R"
> +#define RWEaRWE_P	"R/W/E & R/W/E_P"
> +#define RWC_P		"R/W/C_P"
> +#define RWE_P		"R/W/E_P"
> +#define WE_P		"W/E_P"
> +
> +#define print_field_caption(reg_name, access_mode)			       \
> +	do {								       \
> +		printf(#reg_name"[%u]:\n", EXT_CSD_##reg_name);		       \
> +		printf("\tValue: %#02x\n", reg[index]);			       \
> +		printf("\tAccess: "access_mode"\n");			       \
> +	} while (false);
> +
> +#define print_field_caption_with_offset(reg_name, offset, access_mode)	       \
> +	do {								       \
> +		printf(#reg_name"[%u]:\n", EXT_CSD_##reg_name + offset);       \
> +		printf("\tValue: %#02x\n", reg[index]);			       \
> +		printf("\tAccess: "access_mode"\n");			       \
> +	} while (false);
> +
> +#define get_field_val(reg_name, offset, mask)				       \
> +	((reg[EXT_CSD_##reg_name] >> offset) & mask)
> +
> +#define get_field_val_with_index(index, offset, mask)			       \
> +	((reg[index] >> offset) & mask)
> +
> +static void print_access_type_key(void)
> +{
> +	printf("\nR:       Read only.\n");
> +	printf("W:       One time programmable and not readable.\n");
> +	printf("R/W:     One time programmable and readable.\n");
> +	printf("W/E:     Multiple writable with value kept after power failure, H/W reset assertion and any CMD0 reset and not readable.\n");
> +	printf("R/W/E:   Multiple writable with value kept after power failure, H/W reset assertion and any CMD0 reset and readable.\n");
> +	printf("R/W/C_P: Writable after value cleared by power failure and HW/rest assertion (the value not cleared by CMD0 reset) and readable.\n");
> +	printf("R/W/E_P: Multiple writable with value reset after power failure, H/W reset assertion and any CMD0 reset and readable.\n");
> +	printf("W/E_P:   Multiple writable with value reset after power failure, H/W reset assertion and any CMD0 reset and not readable.\n\n");

Wouldn't it make sense to explain the meaning of the individual flags
rather than all possible combinations? i.e.:

R: readable
W: One time writable
E: Multiple writable
C_P: Value cleared by power failure
E_P: Value cleared by power failure and CMD0

Also please add some linebreaks in the printfs. You can do multiline
printf like this:

	printf("permanently disable the use of permanent write protection\n"
		"for write protection groups within all the partitions in the\n"
		"user area from the point this bit is set forward. Setting this\n"
		"bit does not impact areas that are already protected\n"

Even better, shorten the descriptions. "permanently disable the use of
permanent write protection\n" should be enough in this case.

s/optimzed/optimized/
s/disbale/disable/

Sascha


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