[U-Boot] [PATCH] ARM: Samsung: Add Exynos5422-based Odroid HC2 support

[Dirk Meul]

Odroid HC2 board is based on Odroid XU4 board, like the Odroid HC1.

The linux kernel does not provide a hc2 DTB so the hc1 DTB is also used
for the Odroid HC2.

Signed-off-by: Dirk Meul <dirk.meul at rwth-aachen.de>
---
 board/samsung/common/exynos5-dt-types.c | 16 +++++++++++++---
 board/samsung/common/exynos5-dt.c       |  4 ++--
 configs/odroid-xu3_defconfig            |  2 +-
 include/samsung/exynos5-dt-types.h      |  2 ++
 4 files changed, 18 insertions(+), 6 deletions(-)

diff --git a/board/samsung/common/exynos5-dt-types.c b/board/samsung/common/exynos5-dt-types.c
index 4473968db6..7a86e91877 100644
--- a/board/samsung/common/exynos5-dt-types.c
+++ b/board/samsung/common/exynos5-dt-types.c
@@ -24,14 +24,15 @@ static const struct udevice_id board_ids[] = {
 };
 
 /**
- * Odroix XU3/XU4/HC1 board revisions (from HC1_MAIN_REV0.1_20170630.pdf):
+ * Odroix XU3/XU4/HC1/HC2 board revisions (from HC1+_HC2_MAIN_REV0.1_20171017.pdf):
  * Rev   ADCmax  Board
  * 0.1     0     XU3 0.1
  * 0.2   372     XU3 0.2 | XU3L - no DISPLAYPORT (probe I2C0:0x40 / INA231)
  * 0.3  1280     XU4 0.1
  * 0.4   739     XU4 0.2
  * 0.5  1016     XU4+Air0.1 (Passive cooling)
- * 0.6  1308     XU4S 0.1 (HC1)
+ * 0.6  1309     XU4-HC1 0.1
+ * 0.7  1470     XU4-HC1+ 0.1 (HC2)
  * Use +1% for ADC value tolerance in the array below, the code loops until
  * the measured ADC value is lower than then ADCmax from the array.
  */
@@ -39,7 +40,8 @@ struct odroid_rev_info odroid_info[] = {
 	{ EXYNOS5_BOARD_ODROID_XU3_REV01, 1, 10, "xu3" },
 	{ EXYNOS5_BOARD_ODROID_XU3_REV02, 2, 375, "xu3" },
 	{ EXYNOS5_BOARD_ODROID_XU4_REV01, 1, 1293, "xu4" },
-	{ EXYNOS5_BOARD_ODROID_HC1_REV01, 1, 1321, "hc1" },
+	{ EXYNOS5_BOARD_ODROID_HC1_REV01, 1, 1322, "hc1" },
+	{ EXYNOS5_BOARD_ODROID_HC2_REV01, 1, 1484, "hc1" },
 	{ EXYNOS5_BOARD_ODROID_UNKNOWN, 0, 4095, "unknown" },
 };
 
@@ -144,6 +146,14 @@ bool board_is_odroidhc1(void)
 	return false;
 }
 
+bool board_is_odroidhc2(void)
+{
+	if (gd->board_type == EXYNOS5_BOARD_ODROID_HC2_REV01)
+		return true;
+
+	return false;
+}
+
 bool board_is_generic(void)
 {
 	if (gd->board_type == EXYNOS5_BOARD_GENERIC)
diff --git a/board/samsung/common/exynos5-dt.c b/board/samsung/common/exynos5-dt.c
index 8c3a9ea564..c183965b92 100644
--- a/board/samsung/common/exynos5-dt.c
+++ b/board/samsung/common/exynos5-dt.c
@@ -179,7 +179,7 @@ char *get_dfu_alt_system(char *interface, char *devstr)
 {
 	char *info = "Not supported!";
 
-	if (board_is_odroidxu4() || board_is_odroidhc1())
+	if (board_is_odroidxu4() || board_is_odroidhc1() || board_is_odroidhc2())
 		return info;
 
 	return env_get("dfu_alt_system");
@@ -192,7 +192,7 @@ char *get_dfu_alt_boot(char *interface, char *devstr)
 	char *alt_boot;
 	int dev_num;
 
-	if (board_is_odroidxu4() || board_is_odroidhc1())
+	if (board_is_odroidxu4() || board_is_odroidhc1() || board_is_odroidhc2())
 		return info;
 
 	dev_num = simple_strtoul(devstr, NULL, 10);
diff --git a/configs/odroid-xu3_defconfig b/configs/odroid-xu3_defconfig
index 258b9781cc..d5c7cc7129 100644
--- a/configs/odroid-xu3_defconfig
+++ b/configs/odroid-xu3_defconfig
@@ -2,7 +2,7 @@ CONFIG_ARM=y
 CONFIG_ARCH_EXYNOS=y
 CONFIG_SYS_TEXT_BASE=0x43E00000
 CONFIG_ARCH_EXYNOS5=y
-CONFIG_IDENT_STRING=" for ODROID-XU3/XU4/HC1"
+CONFIG_IDENT_STRING=" for ODROID-XU3/XU4/HC1/HC2"
 CONFIG_DISTRO_DEFAULTS=y
 CONFIG_NR_DRAM_BANKS=8
 # CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
diff --git a/include/samsung/exynos5-dt-types.h b/include/samsung/exynos5-dt-types.h
index 8e11af30d1..8fe08fe211 100644
--- a/include/samsung/exynos5-dt-types.h
+++ b/include/samsung/exynos5-dt-types.h
@@ -9,6 +9,7 @@ enum {
 	EXYNOS5_BOARD_ODROID_XU3_REV02,
 	EXYNOS5_BOARD_ODROID_XU4_REV01,
 	EXYNOS5_BOARD_ODROID_HC1_REV01,
+	EXYNOS5_BOARD_ODROID_HC2_REV01,
 	EXYNOS5_BOARD_ODROID_UNKNOWN,
 
 	EXYNOS5_BOARD_COUNT,
@@ -25,5 +26,6 @@ bool board_is_generic(void);
 bool board_is_odroidxu3(void);
 bool board_is_odroidxu4(void);
 bool board_is_odroidhc1(void);
+bool board_is_odroidhc2(void);
 
 #endif
-- 
2.17.1