artik: dfu: add DFU functions

This patch adds DFU functions and DFU informations for the ARTIK devices.

 set_dfu_alt_info
  - setting dfu information for the ARTIK devices.
 get_dfu_alt_system
  - getting system partition information.
 get_dfu_alt_boot
  - getting predefined boot partition information.

Change-Id: I4361f75ba6889b86d6c6bb4501c38545c742442a
Signed-off-by: jino.cho <jino.cho@samsung.com>

3 files changed, 147 insertions, 1 deletions

diff --git a/board/samsung/espresso3250/espresso3250.c b/board/samsung/espresso3250/espresso3250.c
index fc9547985..10e1d6467 100644
--- a/board/samsung/espresso3250/espresso3250.c
+++ b/board/samsung/espresso3250/espresso3250.c
@@ -32,6 +32,7 @@
 #include <asm/arch/pinmux.h>
 #include <asm/arch/sromc.h>
 #include <asm/arch/sysreg.h>
+#include <mmc.h>
 #include "pmic.h"
 
 #define DEBOUNCE_DELAY	10000
@@ -602,3 +603,71 @@ int board_late_init(void)
 #endif
 	return 0;
 }
+
+#ifdef CONFIG_SET_DFU_ALT_INFO
+char *get_dfu_alt_system(char *interface, char *devstr)
+{
+	return getenv("dfu_alt_system");
+}
+
+char *get_dfu_alt_boot(char *interface, char *devstr)
+{
+	struct mmc *mmc;
+	char *alt_boot;
+	int dev_num;
+
+	dev_num = simple_strtoul(devstr, NULL, 10);
+
+	mmc = find_mmc_device(dev_num);
+	if (!mmc)
+		return NULL;
+
+	if (mmc_init(mmc))
+		return NULL;
+
+	if (IS_SD(mmc))
+		alt_boot = CONFIG_DFU_ALT_BOOT_SD;
+	else
+		alt_boot = CONFIG_DFU_ALT_BOOT_EMMC;
+
+	return alt_boot;
+}
+
+void set_dfu_alt_info(char *interface, char *devstr)
+{
+	size_t buf_size = CONFIG_SET_DFU_ALT_BUF_LEN;
+	ALLOC_CACHE_ALIGN_BUFFER(char, buf, buf_size);
+	char *alt_info = "Settings not found!";
+	char *status = "error!\n";
+	char *alt_setting;
+	char *alt_sep;
+	int offset = 0;
+
+	puts("DFU alt info setting: ");
+
+	alt_setting = get_dfu_alt_boot(interface, devstr);
+	if (alt_setting) {
+		setenv("dfu_alt_boot", alt_setting);
+		offset = snprintf(buf, buf_size, "%s", alt_setting);
+	}
+
+	alt_setting = get_dfu_alt_system(interface, devstr);
+	if (alt_setting) {
+		if (offset)
+			alt_sep = ";";
+		else
+			alt_sep = "";
+
+		offset += snprintf(buf + offset, buf_size - offset,
+				    "%s%s", alt_sep, alt_setting);
+	}
+
+	if (offset) {
+		alt_info = buf;
+		status = "done\n";
+	}
+
+	setenv("dfu_alt_info", alt_info);
+	puts(status);
+}
+#endif
diff --git a/board/samsung/smdk5422/smdk5422.c b/board/samsung/smdk5422/smdk5422.c
index 49be1e5cb..320976807 100644
--- a/board/samsung/smdk5422/smdk5422.c
+++ b/board/samsung/smdk5422/smdk5422.c
@@ -33,6 +33,7 @@
 #include <asm/arch/pinmux.h>
 #include <asm/arch/sromc.h>
 #include <asm/arch/sysreg.h>
+#include <mmc.h>
 #include "pmic.h"
 #ifdef CONFIG_CPU_EXYNOS5422_EVT0
 #ifdef CONFIG_MACH_UNIVERSAL5422
@@ -558,4 +559,42 @@ char *get_dfu_alt_boot(char *interface, char *devstr)
 
 	return alt_boot;
 }
+
+void set_dfu_alt_info(char *interface, char *devstr)
+{
+	size_t buf_size = CONFIG_SET_DFU_ALT_BUF_LEN;
+	ALLOC_CACHE_ALIGN_BUFFER(char, buf, buf_size);
+	char *alt_info = "Settings not found!";
+	char *status = "error!\n";
+	char *alt_setting;
+	char *alt_sep;
+	int offset = 0;
+
+	puts("DFU alt info setting: ");
+
+	alt_setting = get_dfu_alt_boot(interface, devstr);
+	if (alt_setting) {
+		setenv("dfu_alt_boot", alt_setting);
+		offset = snprintf(buf, buf_size, "%s", alt_setting);
+	}
+
+	alt_setting = get_dfu_alt_system(interface, devstr);
+	if (alt_setting) {
+		if (offset)
+			alt_sep = ";";
+		else
+			alt_sep = "";
+
+		offset += snprintf(buf + offset, buf_size - offset,
+				    "%s%s", alt_sep, alt_setting);
+	}
+
+	if (offset) {
+		alt_info = buf;
+		status = "done\n";
+	}
+
+	setenv("dfu_alt_info", alt_info);
+	puts(status);
+}
 #endif
diff --git a/include/configs/artik_common.h b/include/configs/artik_common.h
index a7000939c..47f03a372 100644
--- a/include/configs/artik_common.h
+++ b/include/configs/artik_common.h
@@ -277,6 +277,9 @@
 #define CONFIG_MODULE_PART	2
 #define CONFIG_ROOT_PART	3
 
+#define CONFIG_SET_DFU_ALT_INFO
+#define CONFIG_SET_DFU_ALT_BUF_LEN	(1 << 10)	/* 1 KB */
+
 #define CONFIG_DFU_ALT_SYSTEM               \
 	"uImage fat 0 1;"                   \
 	"zImage fat 0 1;"                   \
@@ -291,6 +294,38 @@
 	"system-data part 0 4;" \
 	"user part 0 5\0"
 
+#ifdef CONFIG_MACH_ARTIK5
+#define CONFIG_DFU_ALT_BOOT_EMMC		\
+	"u-boot raw 0x3e 0x290 mmcpart 1;"	\
+	"bl1 raw 0x0 0x1e mmcpart 1;"		\
+	"bl2 raw 0x1e 0x20 mmcpart 1;"		\
+	"tzsw raw 0x2ce 0x138 mmcpart 1;"	\
+	"params raw 0x406 0x20 \0"
+
+#define CONFIG_DFU_ALT_BOOT_SD			\
+	"u-boot raw 0x3e 0x290;"		\
+	"bl1 raw 0x0 0x1e;"			\
+	"bl2 raw 0x1e 0x20;"			\
+	"tzsw raw 0x2ce 0x138;"			\
+	"params raw 0x406 0x20\0"
+#endif
+
+#ifdef CONFIG_MACH_ARTIK10
+#define CONFIG_DFU_ALT_BOOT_EMMC		\
+	"u-boot raw 0x3e 0x290 mmcpart 1;"	\
+	"bl1 raw 0x0 0x1e mmcpart 1;"		\
+	"bl2 raw 0x1e 0x20 mmcpart 1;"		\
+	"tzsw raw 0x2ce 0x200 mmcpart 1;"	\
+	"params raw 0x4ce 0x20 \0"
+
+#define CONFIG_DFU_ALT_BOOT_SD			\
+	"u-boot raw 0x3e 0x290;"		\
+	"bl1 raw 0x0 0x1e;"			\
+	"bl2 raw 0x1e 0x20;"			\
+	"tzsw raw 0x2ce 0x200;"			\
+	"params raw 0x4ce 0x20\0"
+#endif
+
 #define PARTS_DEFAULT							\
 	"uuid_disk=${uuid_gpt_disk};"					\
 	"name=boot,start=1MiB,size=" __stringify(CONFIG_BOOT_PART_SIZE) \
@@ -338,7 +373,10 @@
 	"fdtaddr=40800000\0"						\
 	"initrd_file=uInitrd\0"						\
 	"initrd_addr=43000000\0"					\
-	"dfu_alt_info=" CONFIG_DFU_ALT_SYSTEM				\
+	"dfu_alt_system=" CONFIG_DFU_ALT_SYSTEM			\
+	"dfu_usb_con=0\0"						\
+	"dfu_interface=mmc\0"						\
+	"dfu_device=${emmc_dev}\0"					\
 	"sdrecovery=sdfuse format; sdfuse flashall 3\0"			\
 	"factory_load=factory_info load mmc ${emmc_dev} 0x80 0x8\0"	\
 	"factory_save=factory_info save mmc ${emmc_dev} 0x80 0x8\0"	\