OMAP3: mt_ventoux: added video support

Signed-off-by: Stefano Babic <sbabic@denx.de>

2 files changed, 84 insertions, 1 deletions

diff --git a/board/teejet/mt_ventoux/mt_ventoux.c b/board/teejet/mt_ventoux/mt_ventoux.c
index 814e72f052..b8ad4471f5 100644
--- a/board/teejet/mt_ventoux/mt_ventoux.c
+++ b/board/teejet/mt_ventoux/mt_ventoux.c
@@ -21,13 +21,17 @@
 
 #include <common.h>
 #include <netdev.h>
+#include <malloc.h>
 #include <fpga.h>
+#include <video_fb.h>
 #include <asm/io.h>
 #include <asm/arch/mem.h>
 #include <asm/arch/mux.h>
 #include <asm/arch/sys_proto.h>
 #include <asm/omap_gpio.h>
 #include <asm/arch/mmc_host_def.h>
+#include <asm/arch/dss.h>
+#include <asm/arch/clocks.h>
 #include <i2c.h>
 #include <spartan3.h>
 #include <asm/gpio.h>
@@ -53,6 +57,42 @@ DECLARE_GLOBAL_DATA_PTR;
 #define FPGA_INIT	119
 #define FPGA_DONE	154
 
+#define LCD_PWR		138
+#define LCD_PON_PIN	139
+
+#if defined(CONFIG_VIDEO) && !defined(CONFIG_SPL_BUILD)
+static struct {
+	u32 xres;
+	u32 yres;
+} panel_resolution[] = {
+	{ 480, 272 },
+	{ 800, 480 }
+};
+
+static struct panel_config lcd_cfg[] = {
+	{
+	.timing_h       = PANEL_TIMING_H(4, 8, 41),
+	.timing_v       = PANEL_TIMING_V(2, 4, 10),
+	.pol_freq       = 0x00000000, /* Pol Freq */
+	.divisor        = 0x0001000d, /* 33Mhz Pixel Clock */
+	.panel_type     = 0x01, /* TFT */
+	.data_lines     = 0x03, /* 24 Bit RGB */
+	.load_mode      = 0x02, /* Frame Mode */
+	.panel_color	= 0,
+	},
+	{
+	.timing_h       = PANEL_TIMING_H(20, 192, 4),
+	.timing_v       = PANEL_TIMING_V(2, 20, 10),
+	.pol_freq       = 0x00004000, /* Pol Freq */
+	.divisor        = 0x0001000E, /* 36Mhz Pixel Clock */
+	.panel_type     = 0x01, /* TFT */
+	.data_lines     = 0x03, /* 24 Bit RGB */
+	.load_mode      = 0x02, /* Frame Mode */
+	.panel_color	= 0,
+	}
+};
+#endif
+
 /* Timing definitions for FPGA */
 static const u32 gpmc_fpga[] = {
 	FPGA_GPMC_CONFIG1,
@@ -254,3 +294,46 @@ int board_mmc_init(bd_t *bis)
 	return omap_mmc_init(0, 0, 0);
 }
 #endif
+
+#if defined(CONFIG_VIDEO) && !defined(CONFIG_SPL_BUILD)
+int board_video_init(void)
+{
+	struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
+	struct panel_config *panel = &lcd_cfg[0];
+	char *s;
+	u32 index = 0;
+
+	void *fb;
+
+	fb = (void *)0x88000000;
+
+	s = getenv("panel");
+	if (s) {
+		index = simple_strtoul(s, NULL, 10);
+		if (index < ARRAY_SIZE(lcd_cfg))
+			panel = &lcd_cfg[index];
+		else
+			return 0;
+	}
+
+	panel->frame_buffer = fb;
+	printf("Panel: %dx%d\n", panel_resolution[index].xres,
+		panel_resolution[index].yres);
+	panel->lcd_size = (panel_resolution[index].yres - 1) << 16 |
+		(panel_resolution[index].xres - 1);
+
+	gpio_request(LCD_PWR, "LCD Power");
+	gpio_request(LCD_PON_PIN, "LCD Pon");
+	gpio_direction_output(LCD_PWR, 0);
+	gpio_direction_output(LCD_PON_PIN, 1);
+
+
+	setbits_le32(&prcm_base->fclken_dss, FCK_DSS_ON);
+	setbits_le32(&prcm_base->iclken_dss, ICK_DSS_ON);
+
+	omap3_dss_panel_config(panel);
+	omap3_dss_enable();
+
+	return 0;
+}
+#endif
diff --git a/board/teejet/mt_ventoux/mt_ventoux.h b/board/teejet/mt_ventoux/mt_ventoux.h
index eadb8a5d39..1cd7ec2ab2 100644
--- a/board/teejet/mt_ventoux/mt_ventoux.h
+++ b/board/teejet/mt_ventoux/mt_ventoux.h
@@ -203,7 +203,7 @@ const omap3_sysinfo sysinfo = {
 	MUX_VAL(CP(MMC2_DAT5),		(IDIS  | PTU | EN  | M4)) \
 	MUX_VAL(CP(MMC2_DAT6),		(IDIS  | PTU | EN  | M4)) \
 			/* GPIO_138: LCD_ENVD */\
-	MUX_VAL(CP(MMC2_DAT7),		(IDIS  | PTU | EN  | M4)) \
+	MUX_VAL(CP(MMC2_DAT7),		(IDIS  | PTD | EN  | M4)) \
 			/* GPIO_139: LCD_PON */\
 	/* McBSP */\
 	MUX_VAL(CP(MCBSP_CLKS),		(IEN  | PTU | DIS | M0)) \