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authorAlbert ARIBAUD <albert.u.boot@aribaud.net>2014-05-16 17:56:50 +0200
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2014-05-16 17:56:50 +0200
commit6a2f30a03acbf226aeb5a93783e6172aa0682d78 (patch)
tree0c105d2974cac3eb1767b61d01d2bedf29a2ab46 /arch/arm/imx-common
parenta90bed77a6ec51cf8032a4d731014f9381ec6466 (diff)
parente7f9350525d73233d4eaf1793f8fe618e9fd4910 (diff)
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Merge branch 'u-boot-imx/master' into 'u-boot-arm/master'
Diffstat (limited to 'arch/arm/imx-common')
-rw-r--r--arch/arm/imx-common/Makefile1
-rw-r--r--arch/arm/imx-common/iomux-v3.c8
-rw-r--r--arch/arm/imx-common/video.c65
3 files changed, 74 insertions, 0 deletions
diff --git a/arch/arm/imx-common/Makefile b/arch/arm/imx-common/Makefile
index b04dfbb..0e71395 100644
--- a/arch/arm/imx-common/Makefile
+++ b/arch/arm/imx-common/Makefile
@@ -19,6 +19,7 @@ obj-y += misc.o
endif
ifeq ($(SOC),$(filter $(SOC),mx6))
obj-$(CONFIG_CMD_SATA) += sata.o
+obj-$(CONFIG_IMX_VIDEO_SKIP) += video.o
endif
obj-$(CONFIG_CMD_BMODE) += cmd_bmode.o
obj-$(CONFIG_CMD_HDMIDETECT) += cmd_hdmidet.o
diff --git a/arch/arm/imx-common/iomux-v3.c b/arch/arm/imx-common/iomux-v3.c
index b59b802..6e46ea8 100644
--- a/arch/arm/imx-common/iomux-v3.c
+++ b/arch/arm/imx-common/iomux-v3.c
@@ -30,6 +30,14 @@ void imx_iomux_v3_setup_pad(iomux_v3_cfg_t pad)
(pad & MUX_PAD_CTRL_OFS_MASK) >> MUX_PAD_CTRL_OFS_SHIFT;
u32 pad_ctrl = (pad & MUX_PAD_CTRL_MASK) >> MUX_PAD_CTRL_SHIFT;
+#if defined CONFIG_MX6SL
+ /* Check whether LVE bit needs to be set */
+ if (pad_ctrl & PAD_CTL_LVE) {
+ pad_ctrl &= ~PAD_CTL_LVE;
+ pad_ctrl |= PAD_CTL_LVE_BIT;
+ }
+#endif
+
if (mux_ctrl_ofs)
__raw_writel(mux_mode, base + mux_ctrl_ofs);
diff --git a/arch/arm/imx-common/video.c b/arch/arm/imx-common/video.c
new file mode 100644
index 0000000..0121cd7
--- /dev/null
+++ b/arch/arm/imx-common/video.c
@@ -0,0 +1,65 @@
+/*
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/errno.h>
+#include <asm/imx-common/video.h>
+
+extern struct display_info_t const displays[];
+extern size_t display_count;
+
+int board_video_skip(void)
+{
+ int i;
+ int ret;
+ char const *panel = getenv("panel");
+ if (!panel) {
+ for (i = 0; i < display_count; i++) {
+ struct display_info_t const *dev = displays+i;
+ if (dev->detect && dev->detect(dev)) {
+ panel = dev->mode.name;
+ printf("auto-detected panel %s\n", panel);
+ break;
+ }
+ }
+ if (!panel) {
+ panel = displays[0].mode.name;
+ printf("No panel detected: default to %s\n", panel);
+ i = 0;
+ }
+ } else {
+ for (i = 0; i < display_count; i++) {
+ if (!strcmp(panel, displays[i].mode.name))
+ break;
+ }
+ }
+ if (i < display_count) {
+ ret = ipuv3_fb_init(&displays[i].mode, 0,
+ displays[i].pixfmt);
+ if (!ret) {
+ displays[i].enable(displays+i);
+ printf("Display: %s (%ux%u)\n",
+ displays[i].mode.name,
+ displays[i].mode.xres,
+ displays[i].mode.yres);
+ } else
+ printf("LCD %s cannot be configured: %d\n",
+ displays[i].mode.name, ret);
+ } else {
+ printf("unsupported panel %s\n", panel);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+#ifdef CONFIG_IMX_HDMI
+#include <asm/arch/mxc_hdmi.h>
+#include <asm/io.h>
+int detect_hdmi(struct display_info_t const *dev)
+{
+ struct hdmi_regs *hdmi = (struct hdmi_regs *)HDMI_ARB_BASE_ADDR;
+ return readb(&hdmi->phy_stat0) & HDMI_DVI_STAT;
+}
+#endif