Drop this old code to permit removal of legacy I2C code.
Signed-off-by: Simon Glass <s...@chromium.org>
---
board/keymile/Kconfig | 3 --
board/keymile/common/common.c | 69 -----------------------------------
2 files changed, 72 deletions(-)
diff --git a/board/keymile/Kconfig b/board/keymile/Kconfig
index 18ef689b334..3585941470e 100644
--- a/board/keymile/Kconfig
+++ b/board/keymile/Kconfig
@@ -11,9 +11,6 @@ if VENDOR_KM
menu "KM Board Setup"
-config SYS_I2C_INIT_BOARD
- def_bool y if ARM
-
config HUSH_INIT_VAR
def_bool y
diff --git a/board/keymile/common/common.c b/board/keymile/common/common.c
index 9358c25dcb0..5aa7c4e5383 100644
--- a/board/keymile/common/common.c
+++ b/board/keymile/common/common.c
@@ -129,75 +129,6 @@ void check_for_uboot_update(void)
}
#endif
-#if defined(CONFIG_SYS_I2C_INIT_BOARD)
-static void i2c_write_start_seq(void)
-{
- set_sda(1);
- udelay(DELAY_HALF_PERIOD);
- set_scl(1);
- udelay(DELAY_HALF_PERIOD);
- set_sda(0);
- udelay(DELAY_HALF_PERIOD);
- set_scl(0);
- udelay(DELAY_HALF_PERIOD);
-}
-
-/*
- * I2C is a synchronous protocol and resets of the processor in the middle
- * of an access can block the I2C Bus until a powerdown of the full unit is
- * done. This function toggles the SCL until the SCL and SCA line are
- * released, but max. 16 times, after this a I2C start-sequence is sent.
- * This I2C Deblocking mechanism was developed by Keymile in association
- * with Anatech and Atmel in 1998.
- */
-int i2c_make_abort(void)
-{
- int scl_state = 0;
- int sda_state = 0;
- int i = 0;
- int ret = 0;
-
- if (!get_sda()) {
- ret = -1;
- while (i < 16) {
- i++;
- set_scl(0);
- udelay(DELAY_ABORT_SEQ);
- set_scl(1);
- udelay(DELAY_ABORT_SEQ);
- scl_state = get_scl();
- sda_state = get_sda();
- if (scl_state && sda_state) {
- ret = 0;
- break;
- }
- }
- }
- if (ret == 0)
- for (i = 0; i < 5; i++)
- i2c_write_start_seq();
-
- /* respect stop setup time */
- udelay(DELAY_ABORT_SEQ);
- set_scl(1);
- udelay(DELAY_ABORT_SEQ);
- set_sda(1);
- get_sda();
-
- return ret;
-}
-
-/**
- * i2c_init_board - reset i2c bus. When the board is powercycled during a
- * bus transfer it might hang; for details see doc/I2C_Edge_Conditions.
- */
-void i2c_init_board(void)
-{
- /* Now run the AbortSequence() */
- i2c_make_abort();
-}
-#endif
-
#if defined(CONFIG_KM_COMMON_ETH_INIT)
int board_eth_init(struct bd_info *bis)
{
--
2.34.1
