arm: mvebu: turris_omnia: remove redundant code

The i2c slave disabling is done by mvtwsi driver and is not needed here.

Signed-off-by: Marek Behún <marek.behun@nic.cz>
Acked-by: Heiko Schocher <hs@denx.de>
Reviewed-by: Stefan Roese <sr@denx.de>
Signed-off-by: Stefan Roese <sr@denx.de>

diff --git a/board/CZ.NIC/turris_omnia/turris_omnia.c b/board/CZ.NIC/turris_omnia/turris_omnia.c
index 4c08f810a240712245cad9e2f1adfe33c6b5c537..055ebad0005e0f419a8841cec85cf6b95b4e9279 100644 (file)
--- a/board/CZ.NIC/turris_omnia/turris_omnia.c
+++ b/board/CZ.NIC/turris_omnia/turris_omnia.c
@@ -50,8 +50,6 @@ DECLARE_GLOBAL_DATA_PTR;
 #define OMNIA_ATSHA204_OTP_MAC0                3
 #define OMNIA_ATSHA204_OTP_MAC1                4
 
-#define MVTWSI_ARMADA_DEBUG_REG                0x8c
-
 /*
  * Those values and defines are taken from the Marvell U-Boot version
  * "u-boot-2013.01-2014_T3.0"
@@ -297,8 +295,6 @@ static int set_regdomain(void)
 
 int board_early_init_f(void)
 {
-       u32 i2c_debug_reg;
-
        /* Configure MPP */
        writel(0x11111111, MVEBU_MPP_BASE + 0x00);
        writel(0x11111111, MVEBU_MPP_BASE + 0x04);
@@ -321,15 +317,6 @@ int board_early_init_f(void)
        writel(OMNIA_GPP_OUT_ENA_LOW, MVEBU_GPIO0_BASE + 0x04);
        writel(OMNIA_GPP_OUT_ENA_MID, MVEBU_GPIO1_BASE + 0x04);
 
-       /*
-        * Disable I2C debug mode blocking 0x64 I2C address.
-        * Note: that would be redundant once Turris Omnia migrates to DM_I2C,
-        * because the mvtwsi driver includes equivalent code.
-        */
-       i2c_debug_reg = readl(MVEBU_TWSI_BASE + MVTWSI_ARMADA_DEBUG_REG);
-       i2c_debug_reg &= ~(1<<18);
-       writel(i2c_debug_reg, MVEBU_TWSI_BASE + MVTWSI_ARMADA_DEBUG_REG);
-
        return 0;
 }