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From 492fac657a2e53f4714e24471a01ed0462edb8fc Mon Sep 17 00:00:00 2001
From: Syed Mohammed Khasim <khasim@ti.com>
Date: Sun, 11 Apr 2010 17:44:39 +0200
Subject: [PATCH 4/6] Enable DSS driver for Beagle
Configures DSS to display color bar on Svideo
Configures DSS to display background color on DVID
Signed-off-by: Syed Mohammed Khasim <khasim@ti.com>
---
board/ti/beagle/beagle.c | 12 ++++++
board/ti/beagle/beagle.h | 75 ++++++++++++++++++++++++++++++++++++++++
include/configs/omap3_beagle.h | 1 +
3 files changed, 88 insertions(+), 0 deletions(-)
diff --git a/board/ti/beagle/beagle.c b/board/ti/beagle/beagle.c
index 7cb6d1f..eb57b5a 100644
--- a/board/ti/beagle/beagle.c
+++ b/board/ti/beagle/beagle.c
@@ -141,6 +141,16 @@ unsigned int get_expansion_id(void)
}
/*
+ * Configure DSS to display background color on DVID
+ * Configure VENC to display color bar on S-Video
+ */
+void display_init(void)
+{
+ omap3_dss_venc_config(&venc_config_std_tv, VENC_HEIGHT, VENC_WIDTH);
+ omap3_dss_panel_config(&dvid_cfg);
+}
+
+/*
* Routine: misc_init_r
* Description: Configure board specific parts
*/
@@ -188,6 +198,7 @@ int misc_init_r(void)
twl4030_power_init();
twl4030_led_init(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON);
+ display_init();
switch (beagle_revision) {
case REVISION_AXBX:
@@ -233,6 +244,7 @@ int misc_init_r(void)
GPIO15 | GPIO14 | GPIO13 | GPIO12, &gpio5_base->setdataout);
dieid_num_r();
+ omap3_dss_enable();
return 0;
}
diff --git a/board/ti/beagle/beagle.h b/board/ti/beagle/beagle.h
index ec4f831..69f9398 100644
--- a/board/ti/beagle/beagle.h
+++ b/board/ti/beagle/beagle.h
@@ -23,6 +23,8 @@
#ifndef _BEAGLE_H_
#define _BEAGLE_H_
+#include <asm/arch/dss.h>
+
const omap3_sysinfo sysinfo = {
DDR_STACKED,
"OMAP3 Beagle board",
@@ -433,4 +435,77 @@ const omap3_sysinfo sysinfo = {
MUX_VAL(CP(MCBSP3_DR), (IEN | PTD | DIS | M4)) /*GPIO_142*/\
MUX_VAL(CP(MCBSP3_CLKX), (IEN | PTD | DIS | M4)) /*GPIO_141*/\
+/*
+ * Display Configuration
+ */
+
+#define DVI_BEAGLE_ORANGE_COL 0x00FF8000
+#define VENC_HEIGHT 0x00ef
+#define VENC_WIDTH 0x027f
+
+/*
+ * Configure VENC in DSS for Beagle to generate Color Bar
+ *
+ * Kindly refer to OMAP TRM for definition of these values.
+ */
+static const struct venc_regs venc_config_std_tv = {
+ .status = 0x0000001B,
+ .f_control = 0x00000040,
+ .vidout_ctrl = 0x00000000,
+ .sync_ctrl = 0x00008000,
+ .llen = 0x00008359,
+ .flens = 0x0000020C,
+ .hfltr_ctrl = 0x00000000,
+ .cc_carr_wss_carr = 0x043F2631,
+ .c_phase = 0x00000024,
+ .gain_u = 0x00000130,
+ .gain_v = 0x00000198,
+ .gain_y = 0x000001C0,
+ .black_level = 0x0000006A,
+ .blank_level = 0x0000005C,
+ .x_color = 0x00000000,
+ .m_control = 0x00000001,
+ .bstamp_wss_data = 0x0000003F,
+ .s_carr = 0x21F07C1F,
+ .line21 = 0x00000000,
+ .ln_sel = 0x00000015,
+ .l21__wc_ctl = 0x00001400,
+ .htrigger_vtrigger = 0x00000000,
+ .savid__eavid = 0x069300F4,
+ .flen__fal = 0x0016020C,
+ .lal__phase_reset = 0x00060107,
+ .hs_int_start_stop_x = 0x008D034E,
+ .hs_ext_start_stop_x = 0x000F0359,
+ .vs_int_start_x = 0x01A00000,
+ .vs_int_stop_x__vs_int_start_y = 0x020501A0,
+ .vs_int_stop_y__vs_ext_start_x = 0x01AC0024,
+ .vs_ext_stop_x__vs_ext_start_y = 0x020D01AC,
+ .vs_ext_stop_y = 0x00000006,
+ .avid_start_stop_x = 0x03480079,
+ .avid_start_stop_y = 0x02040024,
+ .fid_int_start_x__fid_int_start_y = 0x0001008A,
+ .fid_int_offset_y__fid_ext_start_x = 0x01AC0106,
+ .fid_ext_start_y__fid_ext_offset_y = 0x01060006,
+ .tvdetgp_int_start_stop_x = 0x00140001,
+ .tvdetgp_int_start_stop_y = 0x00010001,
+ .gen_ctrl = 0x00FF0000,
+ .output_control = 0x0000000D,
+ .dac_b__dac_c = 0x00000000
+};
+
+/*
+ * Configure Timings for DVI D
+ */
+static const struct panel_config dvid_cfg = {
+ .timing_h = 0x0ff03f31, /* Horizantal timing */
+ .timing_v = 0x01400504, /* Vertical timing */
+ .pol_freq = 0x00007028, /* Pol Freq */
+ .divisor = 0x00010006, /* 72Mhz Pixel Clock */
+ .lcd_size = 0x02ff03ff, /* 1024x768 */
+ .panel_type = 0x01, /* TFT */
+ .data_lines = 0x03, /* 24 Bit RGB */
+ .load_mode = 0x02, /* Frame Mode */
+ .panel_color = DVI_BEAGLE_ORANGE_COL /* ORANGE */
+};
+
#endif
diff --git a/include/configs/omap3_beagle.h b/include/configs/omap3_beagle.h
index c156cea..7bcbe9b 100644
--- a/include/configs/omap3_beagle.h
+++ b/include/configs/omap3_beagle.h
@@ -131,6 +131,7 @@
#define CONFIG_CMD_I2C /* I2C serial bus support */
#define CONFIG_CMD_MMC /* MMC support */
#define CONFIG_CMD_NAND /* NAND support */
+#define CONFIG_VIDEO_OMAP3 /* DSS Support */
#undef CONFIG_CMD_FLASH /* flinfo, erase, protect */
#undef CONFIG_CMD_FPGA /* FPGA configuration Support */
--
1.6.6.1
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