/*
- * Copyright (C) 2011 Lothar Waßmann <LW@KARO-electronics.de>
+ * Copyright (C) 2011-2013 Lothar Waßmann <LW@KARO-electronics.de>
* based on: board/freescale/mx28_evk.c (C) 2010 Freescale Semiconductor, Inc.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
};
#ifdef CONFIG_LCD
-static ushort tx51_cmap[256];
vidinfo_t panel_info = {
/* set to max. size supported by SoC */
.vl_col = 1600,
.vl_row = 1200,
.vl_bpix = LCD_COLOR24, /* Bits per pixel, 0: 1bpp, 1: 2bpp, 2: 4bpp, 3: 8bpp ... */
- .cmap = tx51_cmap,
};
static struct fb_videomode tx51_fb_modes[] = {
*/
lcd_is_enabled = 0;
- karo_load_splashimage(1);
if (lcd_enabled) {
+ karo_load_splashimage(1);
+
debug("Switching LCD on\n");
gpio_set_value(TX51_LCD_PWR_GPIO, 1);
udelay(100);
void lcd_disable(void)
{
- printf("Disabling LCD\n");
+ if (lcd_enabled) {
+ printf("Disabling LCD\n");
+ ipuv3_fb_shutdown();
+ }
}
void lcd_panel_disable(void)
if (tstc() || (wrsr & WRSR_TOUT)) {
debug("Disabling LCD\n");
lcd_enabled = 0;
+ setenv("splashimage", NULL);
return;
}
p = &fb_mode;
debug("Using video mode from FDT\n");
vm += strlen(vm);
- if (fb_mode.xres < panel_info.vl_col)
- panel_info.vl_col = fb_mode.xres;
- if (fb_mode.yres < panel_info.vl_row)
- panel_info.vl_row = fb_mode.yres;
+ if (fb_mode.xres > panel_info.vl_col ||
+ fb_mode.yres > panel_info.vl_row) {
+ printf("video resolution from DT: %dx%d exceeds hardware limits: %dx%d\n",
+ fb_mode.xres, fb_mode.yres,
+ panel_info.vl_col, panel_info.vl_row);
+ lcd_enabled = 0;
+ return;
+ }
}
if (p->name != NULL)
debug("Trying compiled-in video modes\n");
case 8:
case 16:
case 24:
+ case 32:
color_depth = val;
break;
printf("\n");
return;
}
+ if (p->xres > panel_info.vl_col || p->yres > panel_info.vl_row) {
+ printf("video resolution: %dx%d exceeds hardware limits: %dx%d\n",
+ p->xres, p->yres, panel_info.vl_col, panel_info.vl_row);
+ lcd_enabled = 0;
+ return;
+ }
+ panel_info.vl_col = p->xres;
+ panel_info.vl_row = p->yres;
+
+ switch(color_depth) {
+ case 8:
+ panel_info.vl_bpix = LCD_COLOR8;
+ break;
+ case 16:
+ panel_info.vl_bpix = LCD_COLOR16;
+ break;
+ default:
+ panel_info.vl_bpix = LCD_COLOR24;
+ }
+ printf("xres=%d left_margin=%d right_margin=%d hsync_len=%d yres=%d upper_margin=%d lower_margin=%d vsync_len=%d\n",
+ p->xres, p->left_margin, p->right_margin, p->hsync_len,
+ p->yres, p->upper_margin, p->lower_margin, p->vsync_len);
p->pixclock = KHZ2PICOS(refresh *
(p->xres + p->left_margin + p->right_margin + p->hsync_len) *
PICOS2KHZ(p->pixclock) / 1000,
PICOS2KHZ(p->pixclock) % 1000);
+ if (p != &fb_mode) {
+ int ret;
+ char *modename = getenv("video_mode");
+
+ printf("Creating new display-timing node from '%s'\n",
+ modename);
+ ret = karo_fdt_create_fb_mode(working_fdt, modename, p);
+ if (ret)
+ printf("Failed to create new display-timing node from '%s': %d\n",
+ modename, ret);
+ }
+
gpio_request_array(stk5_lcd_gpios, ARRAY_SIZE(stk5_lcd_gpios));
imx_iomux_v3_setup_multiple_pads(stk5_lcd_pads,
ARRAY_SIZE(stk5_lcd_pads));
pix_fmt = IPU_PIX_FMT_RGB24;
if (karo_load_splashimage(0) == 0) {
+ int ret;
struct mxc_ccm_reg *ccm_regs = (struct mxc_ccm_reg *)MXC_CCM_BASE;
u32 ccgr4 = readl(&ccm_regs->CCGR4);
/* MIPI HSC clock is required for initialization */
writel(ccgr4 | (3 << 12), &ccm_regs->CCGR4);
- debug("Initializing LCD controller\n");
- ipuv3_fb_init(p, 0, pix_fmt, di_clk_parent, di_clk_rate, -1);
+ gd->arch.ipu_hw_rev = IPUV3_HW_REV_IPUV3DEX;
+ debug("Initializing LCD controller\n");
+ ret = ipuv3_fb_init(p, 0, pix_fmt, di_clk_parent, di_clk_rate, -1);
writel(ccgr4 & ~(3 << 12), &ccm_regs->CCGR4);
+ if (ret) {
+ printf("Failed to initialize FB driver: %d\n", ret);
+ lcd_enabled = 0;
+ }
} else {
debug("Skipping initialization of LCD controller\n");
}
karo_fdt_fixup_touchpanel(blob);
karo_fdt_fixup_usb_otg(blob, "fsl,imx-otg", "fsl,usbphy");
+ karo_fdt_update_fb_mode(blob, getenv("video_mode"));
}
#endif