Add ATMEL LCD driver
This patch adds support for the ATMEL LCDC driver which is used on some
AT91 and AVR platforms.
Is has been tested with the AT91CAP9ADK, AT91SAM9261EK, AT91SAM9263EK and
AT91SAM9RLEK boards. Adaptation for AVR32 should probably be easy.
Signed-off-by: Stelian Pop <stelian@popies.net>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/common/lcd.c b/common/lcd.c
index 914dc2e..2178f12 100644
--- a/common/lcd.c
+++ b/common/lcd.c
@@ -50,6 +50,12 @@
#include <lcdvideo.h>
#endif
+#if defined(CONFIG_ATMEL_LCD)
+#include <atmel_lcdc.h>
+#include <nand.h>
+extern nand_info_t nand_info[];
+#endif
+
#ifdef CONFIG_LCD
/************************************************************************/
@@ -474,14 +480,22 @@
static void lcd_setfgcolor (int color)
{
+#ifdef CONFIG_ATMEL_LCD
+ lcd_color_fg = color;
+#else
lcd_color_fg = color & 0x0F;
+#endif
}
/*----------------------------------------------------------------------*/
static void lcd_setbgcolor (int color)
{
+#ifdef CONFIG_ATMEL_LCD
+ lcd_color_bg = color;
+#else
lcd_color_bg = color & 0x0F;
+#endif
}
/*----------------------------------------------------------------------*/
@@ -508,7 +522,11 @@
#ifdef CONFIG_LCD_LOGO
void bitmap_plot (int x, int y)
{
+#ifdef CONFIG_ATMEL_LCD
+ uint *cmap;
+#else
ushort *cmap;
+#endif
ushort i, j;
uchar *bmap;
uchar *fb;
@@ -533,6 +551,8 @@
cmap = (ushort *)fbi->palette;
#elif defined(CONFIG_MPC823)
cmap = (ushort *)&(cp->lcd_cmap[BMP_LOGO_OFFSET*sizeof(ushort)]);
+#elif defined(CONFIG_ATMEL_LCD)
+ cmap = (uint *) (panel_info.mmio + ATMEL_LCDC_LUT(0));
#endif
WATCHDOG_RESET();
@@ -540,11 +560,26 @@
/* Set color map */
for (i=0; i<(sizeof(bmp_logo_palette)/(sizeof(ushort))); ++i) {
ushort colreg = bmp_logo_palette[i];
+#ifdef CONFIG_ATMEL_LCD
+ uint lut_entry;
+#ifdef CONFIG_ATMEL_LCD_BGR555
+ lut_entry = ((colreg & 0x000F) << 11) |
+ ((colreg & 0x00F0) << 2) |
+ ((colreg & 0x0F00) >> 7);
+#else /* CONFIG_ATMEL_LCD_RGB565 */
+ lut_entry = ((colreg & 0x000F) << 1) |
+ ((colreg & 0x00F0) << 3) |
+ ((colreg & 0x0F00) << 4);
+#endif
+ *(cmap + BMP_LOGO_OFFSET) = lut_entry;
+ cmap++;
+#else /* !CONFIG_ATMEL_LCD */
#ifdef CFG_INVERT_COLORS
*cmap++ = 0xffff - colreg;
#else
*cmap++ = colreg;
#endif
+#endif /* CONFIG_ATMEL_LCD */
}
WATCHDOG_RESET();
@@ -578,7 +613,9 @@
*/
int lcd_display_bitmap(ulong bmp_image, int x, int y)
{
-#if !defined(CONFIG_MCC200)
+#ifdef CONFIG_ATMEL_LCD
+ uint *cmap;
+#elif !defined(CONFIG_MCC200)
ushort *cmap;
#endif
ushort i, j;
@@ -633,6 +670,8 @@
cmap = (ushort *)fbi->palette;
#elif defined(CONFIG_MPC823)
cmap = (ushort *)&(cp->lcd_cmap[255*sizeof(ushort)]);
+#elif defined(CONFIG_ATMEL_LCD)
+ cmap = (uint *) (panel_info.mmio + ATMEL_LCDC_LUT(0));
#else
# error "Don't know location of color map"
#endif
@@ -708,6 +747,10 @@
#ifdef CONFIG_LCD_INFO
char info[80];
char temp[32];
+#ifdef CONFIG_ATMEL_LCD
+ int i;
+ ulong dram_size, nand_size;
+#endif
#endif /* CONFIG_LCD_INFO */
#ifdef CONFIG_SPLASH_SCREEN
@@ -765,6 +808,40 @@
# endif /* CONFIG_LCD_INFO */
#endif /* CONFIG_MPC823 */
+#ifdef CONFIG_ATMEL_LCD
+# ifdef CONFIG_LCD_INFO
+ sprintf (info, "%s", U_BOOT_VERSION);
+ lcd_drawchars (LCD_INFO_X, LCD_INFO_Y, (uchar *)info, strlen(info));
+
+ sprintf (info, "(C) 2008 ATMEL Corp");
+ lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT,
+ (uchar *)info, strlen(info));
+
+ sprintf (info, "at91support@atmel.com");
+ lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 2,
+ (uchar *)info, strlen(info));
+
+ sprintf (info, "%s CPU at %s MHz",
+ AT91_CPU_NAME,
+ strmhz(temp, AT91_MAIN_CLOCK));
+ lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 3,
+ (uchar *)info, strlen(info));
+
+ dram_size = 0;
+ for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
+ dram_size += gd->bd->bi_dram[i].size;
+ nand_size = 0;
+ for (i = 0; i < CFG_MAX_NAND_DEVICE; i++)
+ nand_size += nand_info[i].size;
+ sprintf (info, " %ld MB SDRAM, %ld MB NAND",
+ dram_size >> 20,
+ nand_size >> 20 );
+ lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 4,
+ (uchar *)info, strlen(info));
+# endif /* CONFIG_LCD_INFO */
+#endif /* CONFIG_ATMEL_LCD */
+
+
#if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
return ((void *)((ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length));
#else
