diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/serial/sandbox.c | 4 | ||||
| -rw-r--r-- | drivers/video/Makefile | 1 | ||||
| -rw-r--r-- | drivers/video/sandbox_sdl.c | 79 |
3 files changed, 84 insertions, 0 deletions
diff --git a/drivers/serial/sandbox.c b/drivers/serial/sandbox.c index ffff5e1497..c27b5b8fe5 100644 --- a/drivers/serial/sandbox.c +++ b/drivers/serial/sandbox.c @@ -11,6 +11,7 @@ */ #include <common.h> +#include <lcd.h> #include <os.h> #include <serial.h> #include <linux/compiler.h> @@ -60,6 +61,9 @@ static int sandbox_serial_tstc(void) ssize_t count; os_usleep(100); +#ifdef CONFIG_LCD + lcd_sync(); +#endif if (next_index == serial_buf_read) return 1; /* buffer full */ diff --git a/drivers/video/Makefile b/drivers/video/Makefile index a7f54698ac..c527029241 100644 --- a/drivers/video/Makefile +++ b/drivers/video/Makefile @@ -33,6 +33,7 @@ obj-$(CONFIG_VIDEO_MX3) += mx3fb.o videomodes.o obj-$(CONFIG_VIDEO_IPUV3) += mxc_ipuv3_fb.o ipu_common.o ipu_disp.o obj-$(CONFIG_VIDEO_MXS) += mxsfb.o videomodes.o obj-$(CONFIG_VIDEO_OMAP3) += omap3_dss.o +obj-$(CONFIG_VIDEO_SANDBOX_SDL) += sandbox_sdl.o obj-$(CONFIG_VIDEO_SED13806) += sed13806.o obj-$(CONFIG_VIDEO_SM501) += sm501.o obj-$(CONFIG_VIDEO_SMI_LYNXEM) += smiLynxEM.o videomodes.o diff --git a/drivers/video/sandbox_sdl.c b/drivers/video/sandbox_sdl.c new file mode 100644 index 0000000000..ba4578e9d1 --- /dev/null +++ b/drivers/video/sandbox_sdl.c @@ -0,0 +1,79 @@ +/* + * Copyright (c) 2013 Google, Inc + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <fdtdec.h> +#include <lcd.h> +#include <malloc.h> +#include <asm/sdl.h> +#include <asm/u-boot-sandbox.h> + +DECLARE_GLOBAL_DATA_PTR; + +enum { + /* Maximum LCD size we support */ + LCD_MAX_WIDTH = 1366, + LCD_MAX_HEIGHT = 768, + LCD_MAX_LOG2_BPP = 4, /* 2^4 = 16 bpp */ +}; + +vidinfo_t panel_info; + +void lcd_setcolreg(ushort regno, ushort red, ushort green, ushort blue) +{ +} + +void lcd_ctrl_init(void *lcdbase) +{ + /* + * Allocate memory to keep BMP color conversion map. This is required + * for 8 bit BMPs only (hence 256 colors). If malloc fails - keep + * going, it is not even clear if displyaing the bitmap will be + * required on the way up. + */ + panel_info.cmap = malloc(256 * NBITS(panel_info.vl_bpix) / 8); +} + +void lcd_enable(void) +{ + if (sandbox_sdl_init_display(panel_info.vl_col, panel_info.vl_row, + panel_info.vl_bpix)) + puts("LCD init failed\n"); +} + +int sandbox_lcd_sdl_early_init(void) +{ + const void *blob = gd->fdt_blob; + int xres = LCD_MAX_WIDTH, yres = LCD_MAX_HEIGHT; + int node; + int ret = 0; + + /* + * The code in common/lcd.c does not cope with not being able to + * set up a frame buffer. It will just happily keep writing to + * invalid memory. So here we make sure that at least some buffer + * is available even if it actually won't be displayed. + */ + node = fdtdec_next_compatible(blob, 0, COMPAT_SANDBOX_LCD_SDL); + if (node >= 0) { + xres = fdtdec_get_int(blob, node, "xres", LCD_MAX_WIDTH); + yres = fdtdec_get_int(blob, node, "yres", LCD_MAX_HEIGHT); + if (xres < 0 || xres > LCD_MAX_WIDTH) { + xres = LCD_MAX_WIDTH; + ret = -EINVAL; + } + if (yres < 0 || yres > LCD_MAX_HEIGHT) { + yres = LCD_MAX_HEIGHT; + ret = -EINVAL; + } + } + + panel_info.vl_col = xres; + panel_info.vl_row = yres; + panel_info.vl_bpix = LCD_COLOR16; + + return ret; +} |