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ARM: Samsung: Add Exynos5422-based Odroid HC1 support

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Odroid HC1 board is based on Odroid XU4 board, but it has no HDMI,
no eMMC, no build-in USB3.0 hub, no extension port pins, and no GPIO
button. USB3.0 ports are used for build-in JMicron USB to SATA bridge
and Gigabit R8152 ethernet chips. HC1 uses only passive cooling.

This patch also updates Odroid's ADCmax array and reduces ADC tolerance
to 1% to ensure that XU4 and HC1 revisions are properly detected.

I've tested this with XU3, XU3-lite, XU4 and HC1 boards. In case of my test
boards I got following values from ADC register: 372, 370, 1281 and 1313.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
Tested-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
This commit is contained in:
Marek Szyprowski 2017-11-03 09:30:30 +01:00 committed by Minkyu Kang
parent d8b385b708
commit 7090ead3f2
4 changed files with 25 additions and 10 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

27
board/samsung/common/exynos5-dt-types.c
View file

@ -25,17 +25,22 @@ static const struct udevice_id board_ids[] = {
};
/**
* Odroix XU3/4 board revisions:
* Odroix XU3/XU4/HC1 board revisions (from HC1_MAIN_REV0.1_20170630.pdf):
* Rev ADCmax Board
* 0.1 0 XU3 0.1
* 0.2 410 XU3 0.2 | XU3L - no DISPLAYPORT (probe I2C0:0x40 / INA231)
* 0.3 1408 XU4 0.1
* Use +10 % for ADC value tolerance.
* 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)
* 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.
*/
struct odroid_rev_info odroid_info[] = {
{ EXYNOS5_BOARD_ODROID_XU3_REV01, 1, 10, "xu3" },
{ EXYNOS5_BOARD_ODROID_XU3_REV02, 2, 410, "xu3" },
{ EXYNOS5_BOARD_ODROID_XU4_REV01, 1, 1408, "xu4" },
{ 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_UNKNOWN, 0, 4095, "unknown" },
};
@ -61,7 +66,7 @@ static int odroid_get_board_type(void)
goto rev_default;
for (i = 0; i < ARRAY_SIZE(odroid_info); i++) {
/* ADC tolerance: +20 % */
/* ADC tolerance: +1% */
if (adcval < odroid_info[i].adc_val)
return odroid_info[i].board_type;
}
@ -132,6 +137,14 @@ bool board_is_odroidxu4(void)
return false;
}
bool board_is_odroidhc1(void)
{
if (gd->board_type == EXYNOS5_BOARD_ODROID_HC1_REV01)
return true;
return false;
}
bool board_is_generic(void)
{
if (gd->board_type == EXYNOS5_BOARD_GENERIC)

4
board/samsung/common/exynos5-dt.c
View file

@ -176,7 +176,7 @@ char *get_dfu_alt_system(char *interface, char *devstr)
{
char *info = "Not supported!";
if (board_is_odroidxu4())
if (board_is_odroidxu4() || board_is_odroidhc1())
return info;
return env_get("dfu_alt_system");
@ -189,7 +189,7 @@ char *get_dfu_alt_boot(char *interface, char *devstr)
char *alt_boot;
int dev_num;
if (board_is_odroidxu4())
if (board_is_odroidxu4() || board_is_odroidhc1())
return info;
dev_num = simple_strtoul(devstr, NULL, 10);

2
configs/odroid-xu3_defconfig
View file

@ -1,7 +1,7 @@
CONFIG_ARM=y
CONFIG_ARCH_EXYNOS=y
CONFIG_ARCH_EXYNOS5=y
CONFIG_IDENT_STRING=" for ODROID-XU3"
CONFIG_IDENT_STRING=" for ODROID-XU3/XU4/HC1"
CONFIG_DEFAULT_DEVICE_TREE="exynos5422-odroidxu3"
CONFIG_DISTRO_DEFAULTS=y
# CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set

2
include/samsung/exynos5-dt-types.h
View file

@ -8,6 +8,7 @@ enum {
EXYNOS5_BOARD_ODROID_XU3_REV01,
EXYNOS5_BOARD_ODROID_XU3_REV02,
EXYNOS5_BOARD_ODROID_XU4_REV01,
EXYNOS5_BOARD_ODROID_HC1_REV01,
EXYNOS5_BOARD_ODROID_UNKNOWN,
EXYNOS5_BOARD_COUNT,
@ -23,5 +24,6 @@ struct odroid_rev_info {
bool board_is_generic(void);
bool board_is_odroidxu3(void);
bool board_is_odroidxu4(void);
bool board_is_odroidhc1(void);
#endif