From f23a39d80d2e87c16171728533c4d80a061cbb58 Mon Sep 17 00:00:00 2001 From: Andy Green Date: Mon, 1 Dec 2008 01:26:04 +0000 Subject: [PATCH] qi-gta01-add-ui-debounce.patch Signed-off-by: Andy Green --- qiboot/src/cpu/s3c2410/gta01.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/qiboot/src/cpu/s3c2410/gta01.c b/qiboot/src/cpu/s3c2410/gta01.c index cb20a72..1b572d2 100644 --- a/qiboot/src/cpu/s3c2410/gta01.c +++ b/qiboot/src/cpu/s3c2410/gta01.c @@ -209,6 +209,32 @@ static void close_gta01(void) (bb_s3c24xx.close)(); } +static u8 get_ui_keys_gta02(void) +{ + u8 keys; + u8 ret; + static u8 old_keys = 0; /* previous state for debounce */ + static u8 old_ret = 0; /* previous debounced output for edge detect */ + + /* GPF6 is AUX on GTA01, map to UI_ACTION_ADD_DEBUG, down = 1 */ + keys = ! (rGPFDAT & (1 << 6)); + + if (keys == old_keys) + ret = keys; + else + ret = old_keys; + + /* edge action */ + if ((ret & 1) && !(old_ret & 1)) + ret |= UI_ACTION_SKIPKERNEL; + + old_keys = keys; + old_ret = ret; + + return ret; +} + + /* * API for bootloader on this machine */ @@ -224,6 +250,8 @@ const struct board_api board_api_gta01 = { .port_init = port_init_gta01, .putc = putc_gta01, .close = close_gta01, + .get_ui_keys = get_ui_keys_gta02, + .commandline_board = "mtdparts=" \ "neo1973-nand:" \ "0x00040000(qi)," \