From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-wy0-f177.google.com ([74.125.82.177]) by bombadil.infradead.org with esmtp (Exim 4.69 #1 (Red Hat Linux)) id 1NxMv5-0000bt-MA for barebox@lists.infradead.org; Thu, 01 Apr 2010 16:07:00 +0000 Received: by wyb40 with SMTP id 40so613070wyb.36 for ; Thu, 01 Apr 2010 09:06:58 -0700 (PDT) MIME-Version: 1.0 Date: Thu, 1 Apr 2010 18:06:58 +0200 Message-ID: From: Ivo Clarysse List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: barebox-bounces@lists.infradead.org Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH] MX21ADS: Support LCD panel To: barebox@lists.infradead.org, Sascha Hauer This patch enabled support for the Sharp QVGA LCD panel of the MX21ADS board. Signed-off-by: Ivo Clarysse --- diff --git a/board/imx21ads/imx21ads.c b/board/imx21ads/imx21ads.c index bc638e3..9eba19a 100644 --- a/board/imx21ads/imx21ads.c +++ b/board/imx21ads/imx21ads.c @@ -34,6 +34,10 @@ #include #include #include +#include + +#define MX21ADS_IO_REG 0xCC800000 +#define MX21ADS_IO_LCDON (1 << 9) static struct device_d cfi_dev = { .name = "cfi_flash", @@ -70,6 +74,45 @@ static struct device_d cs8900_dev = { // IRQ is connected to UART3_RTS }; +/* Sharp LQ035Q7DB02 QVGA display */ +static struct imx_fb_videomode imx_fb_modedata = { + .mode = { + .name = "Sharp-LQ035Q7", + .refresh = 60, + .xres = 240, + .yres = 320, + .pixclock = 188679, + .left_margin = 6, + .right_margin = 16, + .upper_margin = 8, + .lower_margin = 10, + .hsync_len = 2, + .vsync_len = 1, + .sync = 0, + .vmode = FB_VMODE_NONINTERLACED, + .flag = 0, + }, + .pcr = 0xfb108bc7, + .bpp = 16, +}; + +static struct imx_fb_platform_data imx_fb_data = { + .mode = &imx_fb_modedata, + .cmap_greyscale = 0, + .cmap_inverse = 0, + .cmap_static = 0, + .pwmr = 0x00a903ff, + .lscr1 = 0x00120300, + .dmacr = 0x00020008, +}; + +static struct device_d imxfb_dev = { + .name = "imxfb", + .map_base = 0x10021000, + .size = 0x1000, + .platform_data = &imx_fb_data, +}; + static int imx21ads_timing_init(void) { u32 temp; @@ -111,6 +154,33 @@ static int mx21ads_devices_init(void) { int i; unsigned int mode[] = { + PA5_PF_LSCLK, + PA6_PF_LD0, + PA7_PF_LD1, + PA8_PF_LD2, + PA9_PF_LD3, + PA10_PF_LD4, + PA11_PF_LD5, + PA12_PF_LD6, + PA13_PF_LD7, + PA14_PF_LD8, + PA15_PF_LD9, + PA16_PF_LD10, + PA17_PF_LD11, + PA18_PF_LD12, + PA19_PF_LD13, + PA20_PF_LD14, + PA21_PF_LD15, + PA22_PF_LD16, + PA23_PF_LD17, + PA24_PF_REV, + PA25_PF_CLS, + PA26_PF_PS, + PA27_PF_SPL_SPR, + PA28_PF_HSYNC, + PA29_PF_VSYNC, + PA30_PF_CONTRAST, + PA31_PF_OE_ACD, PE12_PF_UART1_TXD, PE13_PF_UART1_RXD, PE14_PF_UART1_CTS, @@ -125,6 +195,7 @@ static int mx21ads_devices_init(void) register_device(&sdram_dev); register_device(&nand_dev); register_device(&cs8900_dev); + register_device(&imxfb_dev); armlinux_add_dram(&sdram_dev); armlinux_set_bootparams((void *)0xc0000100); @@ -135,6 +206,18 @@ static int mx21ads_devices_init(void) device_initcall(mx21ads_devices_init); +static int mx21ads_enable_display(void) +{ + u16 tmp; + + tmp = readw(MX21ADS_IO_REG); + tmp |= MX21ADS_IO_LCDON; + writew(tmp, MX21ADS_IO_REG); + return 0; +} + +late_initcall(mx21ads_enable_display); + static struct device_d mx21ads_serial_device = { .name = "imx_serial", .map_base = IMX_UART1_BASE, _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox