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| author | Simon Glass <sjg@chromium.org> | 2015-03-02 12:40:50 -0700 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2015-04-16 19:27:40 -0600 |
| commit | 5692ccfacae05175ffa5a8e9c12ef7bda3631433 (patch) | |
| tree | d4d572fc337e0e34ad37f05ecb00a278c5ca5bfd /drivers | |
| parent | 892ff8e972efc7d4f42750e4fdbb2c2fefb78229 (diff) | |
| download | u-boot-5692ccfacae05175ffa5a8e9c12ef7bda3631433.tar.gz u-boot-5692ccfacae05175ffa5a8e9c12ef7bda3631433.tar.xz u-boot-5692ccfacae05175ffa5a8e9c12ef7bda3631433.zip | |
x86: video: Allow keyboard presence to be controlled by device tree
At present a VGA console assumes a keyboard unless a CONFIG option is set.
This difference can be dealt with by a device tree option, allowing boards
that are otherwise the same to use the same configuration.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/video/cfb_console.c | 29 |
1 files changed, 21 insertions, 8 deletions
diff --git a/drivers/video/cfb_console.c b/drivers/video/cfb_console.c index a81affa333..f4231b8e62 100644 --- a/drivers/video/cfb_console.c +++ b/drivers/video/cfb_console.c @@ -87,6 +87,7 @@ */ #include <common.h> +#include <fdtdec.h> #include <version.h> #include <malloc.h> #include <linux/compiler.h> @@ -2251,6 +2252,7 @@ int drv_video_init(void) { int skip_dev_init; struct stdio_dev console_dev; + bool have_keyboard; /* Check if video initialization should be skipped */ if (board_video_skip()) @@ -2262,11 +2264,20 @@ int drv_video_init(void) if (board_cfb_skip()) return 0; +#if defined(CONFIG_VGA_AS_SINGLE_DEVICE) + have_keyboard = false; +#elif defined(CONFIG_OF_CONTROL) + have_keyboard = !fdtdec_get_config_bool(gd->fdt_blob, + "u-boot,no-keyboard"); +#else + have_keyboard = true; +#endif + if (have_keyboard) { + debug("KBD: Keyboard init ...\n"); #if !defined(CONFIG_VGA_AS_SINGLE_DEVICE) - debug("KBD: Keyboard init ...\n"); - skip_dev_init |= (VIDEO_KBD_INIT_FCT == -1); + skip_dev_init |= (VIDEO_KBD_INIT_FCT == -1); #endif - + } if (skip_dev_init) return 0; @@ -2279,11 +2290,13 @@ int drv_video_init(void) console_dev.puts = video_puts; /* 'puts' function */ #if !defined(CONFIG_VGA_AS_SINGLE_DEVICE) - /* Also init console device */ - console_dev.flags |= DEV_FLAGS_INPUT; - console_dev.tstc = VIDEO_TSTC_FCT; /* 'tstc' function */ - console_dev.getc = VIDEO_GETC_FCT; /* 'getc' function */ -#endif /* CONFIG_VGA_AS_SINGLE_DEVICE */ + if (have_keyboard) { + /* Also init console device */ + console_dev.flags |= DEV_FLAGS_INPUT; + console_dev.tstc = VIDEO_TSTC_FCT; /* 'tstc' function */ + console_dev.getc = VIDEO_GETC_FCT; /* 'getc' function */ + } +#endif if (stdio_register(&console_dev) != 0) return 0; |