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authorFabio Estevam <fabio.estevam@freescale.com>2014-09-22 13:55:52 -0300
committerStefano Babic <sbabic@denx.de>2014-10-21 14:04:39 +0200
commit510922ac61067a969dd5f53ce83b1de63e052002 (patch)
treedb9a305de893610575add5567fdd4c76bf520e8b /board
parent257d5614f49c2afd8a4045718b654c662371693a (diff)
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mx6qsabreauto: Add HDMI support
Let HDMI splash screen support work by default. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Diffstat (limited to 'board')
-rw-r--r--board/freescale/mx6qsabreauto/mx6qsabreauto.c60
1 files changed, 59 insertions, 1 deletions
diff --git a/board/freescale/mx6qsabreauto/mx6qsabreauto.c b/board/freescale/mx6qsabreauto/mx6qsabreauto.c
index 9ab502f..0dc0160 100644
--- a/board/freescale/mx6qsabreauto/mx6qsabreauto.c
+++ b/board/freescale/mx6qsabreauto/mx6qsabreauto.c
@@ -24,6 +24,9 @@
#include <netdev.h>
#include <asm/arch/sys_proto.h>
#include <i2c.h>
+#include <asm/arch/mxc_hdmi.h>
+#include <asm/imx-common/video.h>
+#include <asm/arch/crm_regs.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -235,10 +238,65 @@ u32 get_board_rev(void)
return (get_cpu_rev() & ~(0xF << 8)) | rev;
}
+#if defined(CONFIG_VIDEO_IPUV3)
+static void do_enable_hdmi(struct display_info_t const *dev)
+{
+ imx_enable_hdmi_phy();
+}
+
+struct display_info_t const displays[] = {{
+ .bus = -1,
+ .addr = 0,
+ .pixfmt = IPU_PIX_FMT_RGB24,
+ .detect = detect_hdmi,
+ .enable = do_enable_hdmi,
+ .mode = {
+ .name = "HDMI",
+ .refresh = 60,
+ .xres = 1024,
+ .yres = 768,
+ .pixclock = 15385,
+ .left_margin = 220,
+ .right_margin = 40,
+ .upper_margin = 21,
+ .lower_margin = 7,
+ .hsync_len = 60,
+ .vsync_len = 10,
+ .sync = FB_SYNC_EXT,
+ .vmode = FB_VMODE_NONINTERLACED,
+} } };
+size_t display_count = ARRAY_SIZE(displays);
+
+static void setup_display(void)
+{
+ struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
+ int reg;
+
+ enable_ipu_clock();
+ imx_setup_hdmi();
+
+ reg = readl(&mxc_ccm->chsccdr);
+ reg |= (CHSCCDR_CLK_SEL_LDB_DI0
+ << MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET);
+ writel(reg, &mxc_ccm->chsccdr);
+}
+#endif /* CONFIG_VIDEO_IPUV3 */
+
+/*
+ * Do not overwrite the console
+ * Use always serial for U-Boot console
+ */
+int overwrite_console(void)
+{
+ return 1;
+}
+
int board_early_init_f(void)
{
setup_iomux_uart();
-
+#ifdef CONFIG_VIDEO_IPUV3
+ setup_display();
+#endif
return 0;
}