Based on patches from Syed Mohammed Khasim (khasim@ti.com).
Configures the output of the BeagleBoard DVI to be orange. Configures the output of the BeagleBoard S-Video to be a colorbar. --- Updates for this version * Rebased on u-boot-ti.
Signed-off-by: Jason Kridner jkridner@beagleboard.org --- board/ti/beagle/beagle.c | 24 +++++++++++++ board/ti/beagle/beagle.h | 86 ++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 110 insertions(+), 0 deletions(-)
diff --git a/board/ti/beagle/beagle.c b/board/ti/beagle/beagle.c index 2e27aef..69fe162 100644 --- a/board/ti/beagle/beagle.c +++ b/board/ti/beagle/beagle.c @@ -165,6 +165,28 @@ 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); + switch (get_board_revision()) { + case REVISION_AXBX: + case REVISION_CX: + case REVISION_C4: + omap3_dss_panel_config(&dvid_cfg); + break; + case REVISION_XM_A: + case REVISION_XM_B: + case REVISION_XM_C: + default: + omap3_dss_panel_config(&dvid_cfg_xm); + break; + } +} + +/* * Routine: misc_init_r * Description: Configure board specific parts */ @@ -311,6 +333,7 @@ int misc_init_r(void)
twl4030_power_init(); twl4030_led_init(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON); + display_init();
/* Set GPIO states before they are made outputs */ writel(GPIO23 | GPIO10 | GPIO8 | GPIO2 | GPIO1, @@ -324,6 +347,7 @@ int misc_init_r(void) GPIO15 | GPIO14 | GPIO13 | GPIO12), &gpio5_base->oe);
dieid_num_r(); + omap3_dss_enable();
return 0; } diff --git a/board/ti/beagle/beagle.h b/board/ti/beagle/beagle.h index 04247cd..18bfaa8 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", @@ -472,4 +474,88 @@ const omap3_sysinfo sysinfo = { MUX_VAL(CP(MMC2_DAT6), (IDIS | PTU | EN | M4)) /*GPIO_138 BT_EN*/\ MUX_VAL(CP(MMC2_DAT7), (IDIS | PTU | EN | M4)) /*GPIO_139 WLAN_EN*/
+/* + * 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 */ +}; + +static const struct panel_config dvid_cfg_xm = { + .timing_h = 0x1a4024c9, /* Horizantal timing */ + .timing_v = 0x02c00509, /* Vertical timing */ + .pol_freq = 0x00007028, /* Pol Freq */ + .divisor = 0x00010001, /* 96MHz 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