arm: ls102xa: Add snoop disable for slave port 0, 1 and 2

Disable the snoop for slave interface 0, 1 and 2
to avoid the interleaving on the CCI400 BUS.

Signed-off-by: Jason Jin <Jason.Jin@freescale.com>
Signed-off-by: Minghuan Lian <Minghuan.Lian@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>

arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h

@@ -448,6 +448,7 @@ struct ccsr_ddr {
 
 #define CCI400_CTRLORD_TERM_BARRIER	0x00000008
 #define CCI400_CTRLORD_EN_BARRIER	0
+#define CCI400_SHAORD_NON_SHAREABLE	0x00000002
 
 /* CCI-400 registers */
 struct ccsr_cci400 {

board/freescale/ls1021aqds/ls1021aqds.c

@@ -233,6 +233,13 @@ int board_init(void)
 	/* Set CCI-400 control override register to
 	 * enable barrier transaction */
 	out_le32(&cci->ctrl_ord, CCI400_CTRLORD_EN_BARRIER);
+	/*
+	 * Set CCI-400 Slave interface S0, S1, S2 Shareable Override Register
+	 * All transactions are treated as non-shareable
+	 */
+	out_le32(&cci->slave[0].sha_ord, CCI400_SHAORD_NON_SHAREABLE);
+	out_le32(&cci->slave[1].sha_ord, CCI400_SHAORD_NON_SHAREABLE);
+	out_le32(&cci->slave[2].sha_ord, CCI400_SHAORD_NON_SHAREABLE);
 
 	select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
 

board/freescale/ls1021atwr/ls1021atwr.c

@@ -277,6 +277,16 @@ int board_early_init_f(void)
 
 int board_init(void)
 {
+	struct ccsr_cci400 *cci = (struct ccsr_cci400 *)CONFIG_SYS_CCI400_ADDR;
+
+	/*
+	 * Set CCI-400 Slave interface S0, S1, S2 Shareable Override Register
+	 * All transactions are treated as non-shareable
+	 */
+	out_le32(&cci->slave[0].sha_ord, CCI400_SHAORD_NON_SHAREABLE);
+	out_le32(&cci->slave[1].sha_ord, CCI400_SHAORD_NON_SHAREABLE);
+	out_le32(&cci->slave[2].sha_ord, CCI400_SHAORD_NON_SHAREABLE);
+
 #ifndef CONFIG_SYS_FSL_NO_SERDES
 	fsl_serdes_init();
 	config_serdes_mux();