[U-Boot] [v4] armv8: ls1028ardb: enable DisplayPort Power support
Enable DP_PWR signal to power the DP to HDMI converter cable.
Signed-off-by: Wen He wen.he_1@nxp.com --- board/freescale/ls1028a/ls1028a.c | 14 ++++++++++++++ include/configs/ls1028a_common.h | 3 +++ 2 files changed, 17 insertions(+)
diff --git a/board/freescale/ls1028a/ls1028a.c b/board/freescale/ls1028a/ls1028a.c index 095971448f..c71ed21e9f 100644 --- a/board/freescale/ls1028a/ls1028a.c +++ b/board/freescale/ls1028a/ls1028a.c @@ -83,6 +83,20 @@ int board_init(void) dm_i2c_write(dev, 0x0b, &val, 1); #endif
+#endif + +#if defined(CONFIG_TARGET_LS1028ARDB) + u8 reg; + + reg = QIXIS_READ(brdcfg[4]); + /* + * Field | Function + * 3 | DisplayPort Power Enable (net DP_PWR_EN): + * DPPWR | 0= DP_PWR is enabled. + */ + reg &= ~(DP_PWD_EN_DEFAULT_MASK); + QIXIS_WRITE(brdcfg[4], reg); + #endif return 0; } diff --git a/include/configs/ls1028a_common.h b/include/configs/ls1028a_common.h index 40fcd22582..99f5c21689 100644 --- a/include/configs/ls1028a_common.h +++ b/include/configs/ls1028a_common.h @@ -192,6 +192,9 @@ #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 3 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 5
+/* DisplayPort */ +#define DP_PWD_EN_DEFAULT_MASK 0x8 + #ifdef CONFIG_SECURE_BOOT #include <asm/fsl_secure_boot.h> #endif
Hi Wen,
-----Original Message----- From: u-boot-bounces@linux.nxdi.nxp.com <u-boot- bounces@linux.nxdi.nxp.com> On Behalf Of Wen He Sent: Wednesday, November 6, 2019 1:20 PM To: u-boot@lists.denx.de; u-boot@linux.nxdi.nxp.com Cc: Wen He wen.he_1@nxp.com Subject: [u-boot] [v4] armv8: ls1028ardb: enable DisplayPort Power support
Enable DP_PWR signal to power the DP to HDMI converter cable.
Signed-off-by: Wen He wen.he_1@nxp.com
board/freescale/ls1028a/ls1028a.c | 14 ++++++++++++++ include/configs/ls1028a_common.h | 3 +++ 2 files changed, 17 insertions(+)
diff --git a/board/freescale/ls1028a/ls1028a.c b/board/freescale/ls1028a/ls1028a.c index 095971448f..c71ed21e9f 100644 --- a/board/freescale/ls1028a/ls1028a.c +++ b/board/freescale/ls1028a/ls1028a.c @@ -83,6 +83,20 @@ int board_init(void) dm_i2c_write(dev, 0x0b, &val, 1); #endif
Remove above unnecessary blank line.
+#endif
+#if defined(CONFIG_TARGET_LS1028ARDB)
- u8 reg;
- reg = QIXIS_READ(brdcfg[4]);
- /*
* Field | Function* 3 | DisplayPort Power Enable (net DP_PWR_EN):* DPPWR | 0= DP_PWR is enabled.*/- reg &= ~(DP_PWD_EN_DEFAULT_MASK);
- QIXIS_WRITE(brdcfg[4], reg);
Remove above unnecessary blank line too.
#endif
--Jagdish
-----Original Message----- From: Jagdish Gediya jagdish.gediya@nxp.com Sent: 2019年11月18日 12:50 To: Wen He wen.he_1@nxp.com; u-boot@lists.denx.de; u-boot@linux.nxdi.nxp.com Cc: Wen He wen.he_1@nxp.com Subject: RE: [u-boot] [v4] armv8: ls1028ardb: enable DisplayPort Power support
Hi Wen,
-----Original Message----- From: u-boot-bounces@linux.nxdi.nxp.com <u-boot- bounces@linux.nxdi.nxp.com> On Behalf Of Wen He Sent: Wednesday, November 6, 2019 1:20 PM To: u-boot@lists.denx.de; u-boot@linux.nxdi.nxp.com Cc: Wen He wen.he_1@nxp.com Subject: [u-boot] [v4] armv8: ls1028ardb: enable DisplayPort Power support
Enable DP_PWR signal to power the DP to HDMI converter cable.
Signed-off-by: Wen He wen.he_1@nxp.com
board/freescale/ls1028a/ls1028a.c | 14 ++++++++++++++ include/configs/ls1028a_common.h | 3 +++ 2 files changed, 17 insertions(+)
diff --git a/board/freescale/ls1028a/ls1028a.c b/board/freescale/ls1028a/ls1028a.c index 095971448f..c71ed21e9f 100644 --- a/board/freescale/ls1028a/ls1028a.c +++ b/board/freescale/ls1028a/ls1028a.c @@ -83,6 +83,20 @@ int board_init(void) dm_i2c_write(dev, 0x0b, &val, 1); #endif
Remove above unnecessary blank line.
+#endif
+#if defined(CONFIG_TARGET_LS1028ARDB)
- u8 reg;
- reg = QIXIS_READ(brdcfg[4]);
- /*
* Field | Function* 3 | DisplayPort Power Enable (net DP_PWR_EN):* DPPWR | 0= DP_PWR is enabled.*/- reg &= ~(DP_PWD_EN_DEFAULT_MASK);
- QIXIS_WRITE(brdcfg[4], reg);
Remove above unnecessary blank line too.
Understand, thanks.
Best Regards, Wen
#endif
--Jagdish
participants (2)
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Jagdish Gediya -
Wen He