X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=drivers%2Fvideo%2Ftegra.c;h=8d533955a509fc879e00ac8a96fce8c8e889ad63;hb=4acb4d391f005c0c72f7b84041b3884e4260a5a4;hp=ab26ad09587d46c6635e8ac2e01eda60fae2cc23;hpb=0be8f203f6aba3c1fc117fd0c651c324977c4a27;p=u-boot diff --git a/drivers/video/tegra.c b/drivers/video/tegra.c index ab26ad0958..8d533955a5 100644 --- a/drivers/video/tegra.c +++ b/drivers/video/tegra.c @@ -60,77 +60,15 @@ enum { LCD_MAX_LOG2_BPP = 4, /* 2^4 = 16 bpp */ }; -int lcd_line_length; -int lcd_color_fg; -int lcd_color_bg; - -void *lcd_base; /* Start of framebuffer memory */ -void *lcd_console_address; /* Start of console buffer */ - -short console_col; -short console_row; - vidinfo_t panel_info = { /* Insert a value here so that we don't end up in the BSS */ .vl_col = -1, }; -char lcd_cursor_enabled; - -ushort lcd_cursor_width; -ushort lcd_cursor_height; - #ifndef CONFIG_OF_CONTROL #error "You must enable CONFIG_OF_CONTROL to get Tegra LCD support" #endif -void lcd_cursor_size(ushort width, ushort height) -{ - lcd_cursor_width = width; - lcd_cursor_height = height; -} - -void lcd_toggle_cursor(void) -{ - ushort x, y; - uchar *dest; - ushort row; - - x = console_col * lcd_cursor_width; - y = console_row * lcd_cursor_height; - dest = (uchar *)(lcd_base + y * lcd_line_length + x * (1 << LCD_BPP) / - 8); - - for (row = 0; row < lcd_cursor_height; ++row, dest += lcd_line_length) { - ushort *d = (ushort *)dest; - ushort color; - int i; - - for (i = 0; i < lcd_cursor_width; ++i) { - color = *d; - color ^= lcd_color_fg; - *d = color; - ++d; - } - } -} - -void lcd_cursor_on(void) -{ - lcd_cursor_enabled = 1; - lcd_toggle_cursor(); -} -void lcd_cursor_off(void) -{ - lcd_cursor_enabled = 0; - lcd_toggle_cursor(); -} - -char lcd_is_cursor_enabled(void) -{ - return lcd_cursor_enabled; -} - static void update_panel_size(struct fdt_disp_config *config) { panel_info.vl_col = config->width; @@ -145,12 +83,11 @@ static void update_panel_size(struct fdt_disp_config *config) void lcd_ctrl_init(void *lcdbase) { - int line_length, size; + int type = DCACHE_OFF; + int size; assert(disp_config); - lcd_base = (void *)disp_config->frame_buffer; - /* Make sure that we can acommodate the selected LCD */ assert(disp_config->width <= LCD_MAX_WIDTH); assert(disp_config->height <= LCD_MAX_HEIGHT); @@ -159,9 +96,19 @@ void lcd_ctrl_init(void *lcdbase) && disp_config->height <= LCD_MAX_HEIGHT && disp_config->log2_bpp <= LCD_MAX_LOG2_BPP) update_panel_size(disp_config); - size = lcd_get_size(&line_length); + size = lcd_get_size(&lcd_line_length); + + /* Set up the LCD caching as requested */ + if (config.cache_type & FDT_LCD_CACHE_WRITE_THROUGH) + type = DCACHE_WRITETHROUGH; + else if (config.cache_type & FDT_LCD_CACHE_WRITE_BACK) + type = DCACHE_WRITEBACK; + mmu_set_region_dcache_behaviour(disp_config->frame_buffer, size, type); + + /* Enable flushing after LCD writes if requested */ + lcd_set_flush_dcache(config.cache_type & FDT_LCD_CACHE_FLUSH); - debug("LCD frame buffer at %p\n", lcd_base); + debug("LCD frame buffer at %08X\n", disp_config->frame_buffer); } ulong calc_fbsize(void)