[U-Boot] TI:OMAP: [PATCH 3/4] Configure DSS to enable DVI-D and S-Video

[Nishanth Menon]

On Tue, Jan 5, 2010 at 10:12 AM, Khasim Syed Mohammed
<khasim at beagleboard.org> wrote:
> From 4c368789c76dc196bbf3436a5f35ccbd3fd00965 Mon Sep 17 00:00:00 2001
> From: Syed Mohammed Khasim <khasim at ti.com>
> Date: Tue, 5 Jan 2010 20:42:17 +0530
> Subject: [PATCH] Configure DSS to enable DVI-D and S-Video
>  Displays Color bar on S-video
>  Displays Orange background Color on DVI-D - No Framebuffer used
>
> Signed-off-by: Syed Mohammed Khasim <khasim at ti.com>
> ---
>  board/ti/beagle/beagle.c |  101 ++++++++++++++++++++++++++++++++++++++++++++++
>  1 files changed, 101 insertions(+), 0 deletions(-)
>
> diff --git a/board/ti/beagle/beagle.c b/board/ti/beagle/beagle.c
> index d76df30..cc2079d 100644
> --- a/board/ti/beagle/beagle.c
> +++ b/board/ti/beagle/beagle.c
> @@ -114,6 +114,103 @@ void beagle_identify(void)
>  }
>
>  /*
> + * Configure DSS to display background color on DVI-D
> + * and color bar on S-video interface
> + */
> +
> +void dss_init(void)
> +{
> +       writel(0xfefffedf, 0x48310034); /* GPIO_OE(1) */
> +       writel(0x01000120, 0x48310094); /* GPIO_SETDATAOUT(1) */
> +       writel(0x0001b00c, 0x48004D44); /* CM_CLKSEL2_PLL */
> +       writel(0x00001006, 0x48004E40);
> +       writel(0x00370037, 0x48004D00);
> +       writel(0x00000002, 0x48050C00);
> +       writel(0x0000001B, 0x48050C04);
> +       writel(0x00000040, 0x48050C08);
> +       writel(0x00000000, 0x48050C0C);
> +       writel(0x00000000, 0x48050C10);
> +       writel(0x00008000, 0x48050C14);
> +       writel(0x00000000, 0x48050C18);
> +       writel(0x00008359, 0x48050C1C);
> +       writel(0x0000020C, 0x48050C20);
> +       writel(0x00000000, 0x48050C24);
> +       writel(0x043F2631, 0x48050C28);
> +       writel(0x00000024, 0x48050C2C);
> +       writel(0x00000130, 0x48050C30);
> +       writel(0x00000198, 0x48050C34);
> +       writel(0x000001C0, 0x48050C38);
> +       writel(0x0000006A, 0x48050C3C);
> +       writel(0x0000005C, 0x48050C40);
> +       writel(0x00000000, 0x48050C44);
> +       writel(0x00000001, 0x48050C48);
> +       writel(0x0000003F, 0x48050C4C);
> +       writel(0x21F07C1F, 0x48050C50);
> +       writel(0x00000000, 0x48050C54);
> +       writel(0x00000015, 0x48050C58);
> +       writel(0x00001400, 0x48050C5C);
> +       writel(0x00000000, 0x48050C60);
> +       writel(0x069300F4, 0x48050C64);
> +       writel(0x0016020C, 0x48050C68);
> +       writel(0x00060107, 0x48050C6C);
> +       writel(0x008D034E, 0x48050C70);
> +       writel(0x000F0359, 0x48050C74);
> +       writel(0x01A00000, 0x48050C78);
> +       writel(0x020501A0, 0x48050C7C);
> +       writel(0x01AC0024, 0x48050C80);
> +       writel(0x020D01AC, 0x48050C84);
> +       writel(0x00000006, 0x48050C88);
> +       writel(0x00000000, 0x48050C8C);
> +       writel(0x03480079, 0x48050C90);
> +       writel(0x02040024, 0x48050C94);
> +       writel(0x00000000, 0x48050C98);
> +       writel(0x00000000, 0x48050C9C);
> +       writel(0x0001008A, 0x48050CA0);
> +       writel(0x01AC0106, 0x48050CA4);
> +       writel(0x01060006, 0x48050CA8);
> +       writel(0x00000000, 0x48050CAC);
> +       writel(0x00140001, 0x48050CB0);
> +       writel(0x00010001, 0x48050CB4);
> +       writel(0x00FF0000, 0x48050CB8);
> +       writel(0x00000000, 0x48050CBC);
> +       writel(0x00000000, 0x48050CC0);
> +       writel(0x0000000D, 0x48050CC4);
> +       writel(0x00000000, 0x48050CC8);
> +       writel(0x00000001, 0x48050010);
> +       writel(0x00000078, 0x48050040);
> +       writel(0x00000000, 0x48050044);
> +       writel(0x00000000, 0x48050048);
> +       writel(0x00000000, 0x48050050);
> +       writel(0x00000000, 0x48050058);
> +       writel(0x00002015, 0x48050410);
> +       writel(0x00000001, 0x48050414);
> +       writel(0x00000004, 0x48050444);
> +       writel(0x00FF8000, 0x4805044c);
> +       writel(0x00000000, 0x48050450);
> +       writel(0x00000000, 0x48050454);
> +       writel(0x00000000, 0x48050458);
> +       writel(0x0ff03f31, 0x48050464);
> +       writel(0x01400504, 0x48050468);
> +       writel(0x00007028, 0x4805046c);
> +       writel(0x00010002, 0x48050470);
> +       writel(0x00ef027f, 0x48050478);
> +       writel(0x02cf04ff, 0x4805047c);
> +       writel(0x00000000, 0x48050488);
> +       writel(0x02cf04ff, 0x4805048c);
> +       writel(0x00000000, 0x480504a0);
> +       writel(0x03fc03bc, 0x480504a4);
> +       writel(0x00000400, 0x480504a8);
> +       writel(0x00000001, 0x480504ac);
> +       writel(0x00000001, 0x480504b0);
> +       writel(0x00000000, 0x480504b4);
> +       writel(0x807ff000, 0x480504b8);
> +       writel(0x0001836b, 0x48050440);
> +}
NAK for the reason that you are hacking this big time ;).. it would be
great to get this out as a generic DSS driver instead.

> +
> +
> +
> +
> +/*
>  * Routine: misc_init_r
>  * Description: Configure board specific parts
>  */
> @@ -122,6 +219,7 @@ int misc_init_r(void)
>        struct gpio *gpio5_base = (struct gpio *)OMAP34XX_GPIO5_BASE;
>        struct gpio *gpio6_base = (struct gpio *)OMAP34XX_GPIO6_BASE;
>
> +       dss_init();
>        beagle_identify();
>
>        twl4030_power_init();
> @@ -144,6 +242,9 @@ int misc_init_r(void)
>                GPIO15 | GPIO14 | GPIO13 | GPIO12, &gpio5_base->setdataout);
>
>        dieid_num_r();
> +
> +       /* Enable DSS */
> +       writel(0x0001836b, 0x48050440);
board file directly hitting DSS module.. not exactly the reusable type ;)..

Regards,
Nishanth Menon