+++ /dev/null
-/*
- * (C) Copyright 2011
- * Matthias Weisser <weisserm@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;
-}