[U-Boot] [PATCH 13/28] video: Drop the imx25lcdc driver

Simon Glass sjg at chromium.org
Tue Sep 20 00:32:57 CEST 2016


This is not used anywhere in U-Boot.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

 drivers/video/Makefile    |   1 -
 drivers/video/imx25lcdc.c | 121 ----------------------------------------------
 2 files changed, 122 deletions(-)
 delete mode 100644 drivers/video/imx25lcdc.c

diff --git a/drivers/video/Makefile b/drivers/video/Makefile
index 2df2015..6bb9e28 100644
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -39,7 +39,6 @@ obj-$(CONFIG_VIDEO_BCM2835) += bcm2835.o
 obj-$(CONFIG_VIDEO_COREBOOT) += coreboot_fb.o
 obj-$(CONFIG_VIDEO_CT69000) += ct69000.o videomodes.o
 obj-$(CONFIG_VIDEO_DA8XX) += da8xx-fb.o videomodes.o
-obj-$(CONFIG_VIDEO_IMX25LCDC) += imx25lcdc.o videomodes.o
 obj-$(CONFIG_VIDEO_LCD_ANX9804) += anx9804.o
 obj-$(CONFIG_VIDEO_LCD_HITACHI_TX18D42VM) += hitachi_tx18d42vm_lcd.o
 obj-$(CONFIG_VIDEO_LCD_SSD2828) += ssd2828.o
diff --git a/drivers/video/imx25lcdc.c b/drivers/video/imx25lcdc.c
deleted file mode 100644
index ef5767b..0000000
--- a/drivers/video/imx25lcdc.c
+++ /dev/null
@@ -1,121 +0,0 @@
-/*
- * (C) Copyright 2011
- * Matthias Weisser <weisserm at arcor.de>
- *
- * SPDX-License-Identifier:	GPL-2.0+
- *
- * imx25lcdc.c - Graphic interface for i.MX25 lcd controller
- */
-
-#include <common.h>
-
-#include <malloc.h>
-#include <asm/io.h>
-#include <asm/arch/imx-regs.h>
-#include <video_fb.h>
-#include "videomodes.h"
-
-/*
- * 4MB (at the end of system RAM)
- */
-#define VIDEO_MEM_SIZE		0x400000
-
-#define FB_SYNC_CLK_INV		(1<<16)	/* pixel clock inverted */
-
-/*
- * Graphic Device
- */
-static GraphicDevice imx25fb;
-
-void *video_hw_init(void)
-{
-	struct lcdc_regs *lcdc = (struct lcdc_regs *)IMX_LCDC_BASE;
-	struct ccm_regs *ccm = (struct ccm_regs *)IMX_CCM_BASE;
-	GraphicDevice *pGD = &imx25fb;
-	char *s;
-	u32 *videomem;
-
-	memset(pGD, 0, sizeof(GraphicDevice));
-
-	pGD->gdfIndex = GDF_16BIT_565RGB;
-	pGD->gdfBytesPP = 2;
-	pGD->memSize = VIDEO_MEM_SIZE;
-	pGD->frameAdrs = PHYS_SDRAM + PHYS_SDRAM_SIZE - VIDEO_MEM_SIZE;
-
-	videomem = (u32 *)pGD->frameAdrs;
-
-	s = getenv("videomode");
-	if (s != NULL) {
-		struct ctfb_res_modes var_mode;
-		u32 lsr, lpcr, lhcr, lvcr;
-		unsigned long div;
-		int bpp;
-
-		/* Disable all clocks of the LCDC */
-		writel(readl(&ccm->cgr0) & ~((1<<7) | (1<<24)), &ccm->cgr0);
-		writel(readl(&ccm->cgr1) & ~(1<<29), &ccm->cgr1);
-
-		bpp = video_get_params(&var_mode, s);
-
-		if (bpp == 0) {
-			var_mode.xres = 320;
-			var_mode.yres = 240;
-			var_mode.pixclock = 154000;
-			var_mode.left_margin = 68;
-			var_mode.right_margin = 20;
-			var_mode.upper_margin = 4;
-			var_mode.lower_margin = 18;
-			var_mode.hsync_len = 40;
-			var_mode.vsync_len = 6;
-			var_mode.sync = 0;
-			var_mode.vmode = 0;
-		}
-
-		/* Fill memory with white */
-		memset(videomem, 0xFF, var_mode.xres * var_mode.yres * 2);
-
-		imx25fb.winSizeX = var_mode.xres;
-		imx25fb.winSizeY = var_mode.yres;
-
-		/* LCD base clock is 66.6MHZ. We do calculations in kHz */
-		div = 66000 / (1000000000L / var_mode.pixclock);
-		if (div > 63)
-			div = 63;
-		if (0 == div)
-			div = 1;
-
-		lsr = ((var_mode.xres / 16) << 20) |
-			var_mode.yres;
-		lpcr =	(1 << 31) |
-			(1 << 30) |
-			(5 << 25) |
-			(1 << 23) |
-			(1 << 22) |
-			(1 << 19) |
-			(1 <<  7) |
-			div;
-		lhcr =	(var_mode.right_margin << 0) |
-			(var_mode.left_margin << 8) |
-			(var_mode.hsync_len << 26);
-
-		lvcr =	(var_mode.lower_margin << 0) |
-			(var_mode.upper_margin << 8) |
-			(var_mode.vsync_len << 26);
-
-		writel((uint32_t)videomem, &lcdc->lssar);
-		writel(lsr, &lcdc->lsr);
-		writel(var_mode.xres * 2 / 4, &lcdc->lvpwr);
-		writel(lpcr, &lcdc->lpcr);
-		writel(lhcr, &lcdc->lhcr);
-		writel(lvcr, &lcdc->lvcr);
-		writel(0x00040060, &lcdc->ldcr);
-
-		writel(0xA90300, &lcdc->lpccr);
-
-		/* Ensable all clocks of the LCDC */
-		writel(readl(&ccm->cgr0) | ((1<<7) | (1<<24)), &ccm->cgr0);
-		writel(readl(&ccm->cgr1) | (1<<29), &ccm->cgr1);
-	}
-
-	return pGD;
-}
-- 
2.8.0.rc3.226.g39d4020



More information about the U-Boot mailing list