arm/ls102xa: Add little-endian mode support for audio IPs

As SCFG_ENDIANCR register is added to choose little-endian or big-endian
for audio IPs on Rev2.0 silion, little-endian mode is selected.

Signed-off-by: Alison Wang <alison.wang@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>

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

@@ -149,6 +149,7 @@ struct ccsr_gur {
 #define SCFG_ETSECCMCR_GE1_CLK125	0x08000000
 #define SCFG_PIXCLKCR_PXCKEN		0x80000000
 #define SCFG_QSPI_CLKSEL		0xc0100000
+#define SCFG_ENDIANCR_LE		0x80000000
 
 /* Supplemental Configuration Unit */
 struct ccsr_scfg {
@@ -207,7 +208,7 @@ struct ccsr_scfg {
 	u32 qos2;
 	u32 qos3;
 	u32 cci_cfg;
-	u32 resv8[1];
+	u32 endiancr;
 	u32 etsecdmamcr;
 	u32 usb3prm3cr;
 	u32 resv9[1];

board/freescale/ls1021aqds/ls1021aqds.c

@@ -209,6 +209,9 @@ int board_early_init_f(void)
 	out_be32(&scfg->pixclkcr, SCFG_PIXCLKCR_PXCKEN);
 #endif
 
+	/* Configure Little endian for SAI, ASRC and SPDIF */
+	out_be32(&scfg->endiancr, SCFG_ENDIANCR_LE);
+
 	/*
 	 * Enable snoop requests and DVM message requests for
 	 * Slave insterface S4 (A7 core cluster)

board/freescale/ls1021atwr/ls1021atwr.c

@@ -368,6 +368,9 @@ int board_early_init_f(void)
 	out_be32(&scfg->qspi_cfg, SCFG_QSPI_CLKSEL);
 #endif
 
+	/* Configure Little endian for SAI, ASRC and SPDIF */
+	out_be32(&scfg->endiancr, SCFG_ENDIANCR_LE);
+
 	/*
 	 * Enable snoop requests and DVM message requests for
 	 * Slave insterface S4 (A7 core cluster)