Hi Peng Ok I have fixed it :)
Michael On Mon, Jul 2, 2018 at 4:26 PM, Michael Nazzareno Trimarchi <mich...@amarulasolutions.com> wrote: > Hi Peng > > I'm working to make persistent the uboot logo on imx6ull platform but > I have some problem with the framebuffer. Now this is the main idea > > I use this to recalculate allocation > > ubi part ubiblock; ubi read ${loadaddr} updater; run load_dtb; > fdt addr ${fdt_addr} > fdt set /reserved-memory/framebuffer reg "<0x$video_address > 0x$video_memory_size>" > fdt set /chosen/framebuffer reg "<0x$video_address 0x$video_memory_size>" > > > In linux I have > > + aliases { > + display0 = &lcdif; > + }; > + > + reserved-memory { > + #address-cells = <1>; > + #size-cells = <1>; > + ranges; > + > + display_reserved: framebuffer@86fa2000 { > + reg = <0x86fa2000 0x80000>; > + no-map; > + }; > + > + }; > + > + chosen { > + #address-cells = <1>; > + #size-cells = <1>; > + ranges; > + > + stdout-path = "display0"; > + framebuffer0: framebuffer@86fa2000 { > + #clock-cells = <1>; > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_lcdif>; > + compatible = "simple-framebuffer"; > + reg = <0x86fa2000 (480 * 272 * 4)>; > + width = <480>; > + height = <272>; > + stride = <(480 * 4)>; > + format = "a8r8g8b8"; > + clocks = <&clks IMX6UL_CLK_LCDIF_PIX>, > + <&clks IMX6UL_CLK_LCDIF_APB>; > + nshut-supply = <®_lcd_nshut>; > + nreset-supply = <®_lcd_nreset>; > + display = <&lcdif>; > + }; > + }; > > and this in uboot > > index 4011066..beddd4a 100644 > --- a/drivers/video/cfb_console.c > +++ b/drivers/video/cfb_console.c > @@ -69,6 +69,7 @@ > #include <version.h> > #include <malloc.h> > #include <video.h> > +#include <lcd.h> > #include <linux/compiler.h> > > #if defined(CONFIG_VIDEO_MXS) > @@ -2107,6 +2108,9 @@ static int cfg_video_init(void) > video_console_address = video_fb_address; > #endif > > + env_set_hex("video_address", (unsigned long)VIDEO_FB_ADRS); > + env_set_hex("video_memory_size", (unsigned long) > roundup(VIDEO_SIZE, PAGE_SIZE)); > + > /* Initialize the console */ > console_col = 0; > console_row = 0; > diff --git a/drivers/video/mxsfb.c b/drivers/video/mxsfb.c > index 4e3e3d7..e2a5c05 100644 > --- a/drivers/video/mxsfb.c > +++ b/drivers/video/mxsfb.c > @@ -7,6 +7,7 @@ > #include <common.h> > #include <malloc.h> > #include <video_fb.h> > +#include <lcd.h> > > #include <asm/arch/imx-regs.h> > #include <asm/arch/clock.h> > @@ -214,8 +215,8 @@ void *video_hw_init(void) > panel.memSize = mode.xres * mode.yres * panel.gdfBytesPP; > > /* Allocate framebuffer */ > - fb = memalign(ARCH_DMA_MINALIGN, > - roundup(panel.memSize, ARCH_DMA_MINALIGN)); > + fb = memalign(PAGE_SIZE, > + roundup(panel.memSize, PAGE_SIZE)); > if (!fb) { > printf("MXSFB: Error allocating framebuffer!\n"); > return NULL; > > I have two problems. (Using the latest uboot and linux) > > 1) I have a 50uS glitch on gpios so they get down and up again (nshut > and nreset) even I don't touch them > 2) Even clock tree is ok pixelclock seems that stops to go out > > Do you have any suggestion? > > Michael > > > > -- > | Michael Nazzareno Trimarchi Amarula Solutions BV | > | COO - Founder Cruquiuskade 47 | > | +31(0)851119172 Amsterdam 1018 AM NL | > | [`as] http://www.amarulasolutions.com | -- | Michael Nazzareno Trimarchi Amarula Solutions BV | | COO - Founder Cruquiuskade 47 | | +31(0)851119172 Amsterdam 1018 AM NL | | [`as] http://www.amarulasolutions.com | _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot