diff options
Diffstat (limited to 'recipes/u-boot/u-boot-git/beagleboard/0045-BeagleBoard-Added-userbutton-command.patch')
| -rw-r--r-- | recipes/u-boot/u-boot-git/beagleboard/0045-BeagleBoard-Added-userbutton-command.patch | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/recipes/u-boot/u-boot-git/beagleboard/0045-BeagleBoard-Added-userbutton-command.patch b/recipes/u-boot/u-boot-git/beagleboard/0045-BeagleBoard-Added-userbutton-command.patch new file mode 100644 index 0000000000..d454d73c16 --- /dev/null +++ b/recipes/u-boot/u-boot-git/beagleboard/0045-BeagleBoard-Added-userbutton-command.patch @@ -0,0 +1,97 @@ +From f5146ac9d3af9c9cd4f4bc940c343d3ef75ac6f0 Mon Sep 17 00:00:00 2001 +From: Jason Kridner <jkridner@beagleboard.org> +Date: Wed, 21 Jul 2010 07:41:25 -0500 +Subject: [PATCH 45/50] BeagleBoard: Added userbutton command + +Based on commit f1099c7c43caf5bac3bf6a65aa266fade4747072 + Author: Greg Turner <gregturner@ti.com> + Date: Tue May 25 09:19:06 2010 -0500 + + New u-boot command for status of USER button on BeagleBoard-xM + + Modified bootcmd to check the staus at boot time and set + filename of the boot script. + +* Moved to a BeagleBoard specific file. +* Removed changes to default boot command from adding userbutton + command. +* Made to handle pre-xM boards. +* Flipped polarity of the return value to avoid confusion. Success (0) + is when the button is pressed. Failure (1) is when the button is NOT + pressed. +--- + board/ti/beagle/beagle.c | 54 ++++++++++++++++++++++++++++++++++++++++++++++ + 1 files changed, 54 insertions(+), 0 deletions(-) + +diff --git a/board/ti/beagle/beagle.c b/board/ti/beagle/beagle.c +index a6a4961..66df719 100644 +--- a/board/ti/beagle/beagle.c ++++ b/board/ti/beagle/beagle.c +@@ -40,6 +40,7 @@ + #include <asm/arch/gpio.h> + #include <asm/mach-types.h> + #include "beagle.h" ++#include <command.h> + + static struct { + unsigned int device_vendor; +@@ -290,3 +291,56 @@ void set_muxconf_regs(void) + MUX_BEAGLE(); + } + ++/* ++ * This command returns the status of the user button on beagle xM ++ * Input - none ++ * Returns - 1 if button is held down ++ * 0 if button is not held down ++ */ ++int do_userbutton (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) ++{ ++ int button = 0; ++ int gpio; ++ ++ /* ++ * pass address parameter as argv[0] (aka command name), ++ * and all remaining args ++ */ ++ switch (beagle_revision) { ++ case REVISION_AXBX: ++ case REVISION_CX: ++ case REVISION_C4: ++ gpio = 7; ++ break; ++ case REVISION_XM: ++ default: ++ gpio = 4; ++ break; ++ } ++ omap_request_gpio(gpio); ++ omap_set_gpio_direction(gpio, 1); ++ printf("The user button is currently "); ++ if(omap_get_gpio_datain(gpio)) ++ { ++ button = 1; ++ printf("PRESSED.\n"); ++ } ++ else ++ { ++ button = 0; ++ printf("NOT pressed.\n"); ++ } ++ ++ omap_free_gpio(gpio); ++ ++ return !button; ++} ++ ++/* -------------------------------------------------------------------- */ ++ ++U_BOOT_CMD( ++ userbutton, CONFIG_SYS_MAXARGS, 1, do_userbutton, ++ "Return the status of the BeagleBoard USER button", ++ "" ++); ++ +-- +1.6.6.1 + |