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

PATCH New Alison Wang 2 participants 2 messages Jun 9, 2015 – Jul 20, 2015 Arm (32-bit)

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Alison Wang

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#0 lore raw

PATCH 1/1 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 <[email protected]>
---
 arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h | 3 ++-
 board/freescale/ls1021aqds/ls1021aqds.c           | 3 +++
 board/freescale/ls1021atwr/ls1021atwr.c           | 3 +++
 3 files changed, 8 insertions(+), 1 deletion(-)
arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h +2 -1
index ee547fb..6a330cc 100644
@@ -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 +3 -0
index 92f613a..ce5cb52 100644
@@ -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 +3 -0
index 043d938..8fef8e9 100644
@@ -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)
Signature · 1 line
2.1.0.27.g96db324
#1 lore raw

PATCH 1/1 arm: ls102xa: Add little-endian mode support for audio IPs

Quoted 5 lines · Alison Wang

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 <[email protected]>

---

Applied to u-boot-fsl-qoriq master branch.

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