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-rw-r--r--payloads/libpayload/drivers/i8042/i8042.h1
-rw-r--r--payloads/libpayload/drivers/i8042/keyboard.c25
2 files changed, 5 insertions, 21 deletions
diff --git a/payloads/libpayload/drivers/i8042/i8042.h b/payloads/libpayload/drivers/i8042/i8042.h
index e864ac9263..643167ef40 100644
--- a/payloads/libpayload/drivers/i8042/i8042.h
+++ b/payloads/libpayload/drivers/i8042/i8042.h
@@ -63,7 +63,6 @@
#define I8042_KBCMD_EN 0xf4
#define I8042_KBCMD_DEFAULT_DIS 0xf5
#define I8042_KBCMD_SET_DEFAULT 0xf6
-#define I8042_KBCMD_ACK 0xfa
#define I8042_KBCMD_RESEND 0xfe
#define I8042_KBCMD_RESET 0xff
diff --git a/payloads/libpayload/drivers/i8042/keyboard.c b/payloads/libpayload/drivers/i8042/keyboard.c
index 240385ce6d..3e5f988c48 100644
--- a/payloads/libpayload/drivers/i8042/keyboard.c
+++ b/payloads/libpayload/drivers/i8042/keyboard.c
@@ -172,7 +172,7 @@ static unsigned char keyboard_cmd(unsigned char cmd)
{
i8042_write_data(cmd);
- return i8042_wait_read_ps2() == I8042_KBCMD_ACK;
+ return i8042_wait_read_ps2() == 0xfa;
}
int keyboard_havechar(void)
@@ -317,42 +317,27 @@ void keyboard_init(void)
/* Enable first PS/2 port */
i8042_cmd(I8042_CMD_EN_KB);
- /* Reset keyboard and self test (keyboard side) */
- ret = keyboard_cmd(I8042_KBCMD_RESET);
- if (!ret) {
- printf("ERROR: Keyboard reset failed!\n");
- return;
- }
-
/* Set scancode set 1 */
ret = keyboard_cmd(I8042_KBCMD_SET_SCANCODE);
- if (!ret && !CONFIG(LP_PC_KEYBOARD_IGNORE_INIT_FAILURE)) {
- printf("ERROR: Keyboard set scancode failed!\n");
+ if (!ret && !CONFIG(LP_PC_KEYBOARD_IGNORE_INIT_FAILURE))
return;
- }
ret = keyboard_cmd(I8042_SCANCODE_SET_1);
- if (!ret && !CONFIG(LP_PC_KEYBOARD_IGNORE_INIT_FAILURE)) {
- printf("ERROR: Keyboard scancode set#1 failed!\n");
+ if (!ret && !CONFIG(LP_PC_KEYBOARD_IGNORE_INIT_FAILURE))
return;
- }
/*
* Set default parameters.
* Fix for broken QEMU ps/2 make scancodes.
*/
ret = keyboard_cmd(0xf6);
- if (!ret) {
- printf("ERROR: Keyboard set default params failed!\n");
+ if (!ret)
return;
- }
/* Enable scanning */
ret = keyboard_cmd(I8042_KBCMD_EN);
- if (!ret && !CONFIG(LP_PC_KEYBOARD_IGNORE_INIT_FAILURE)) {
- printf("ERROR: Keyboard enable scanning failed!\n");
+ if (!ret && !CONFIG(LP_PC_KEYBOARD_IGNORE_INIT_FAILURE))
return;
- }
console_add_input_driver(&cons);
}