From: Yuan Yao <yao.y...@nxp.com>
QSPI module output SCLK divisor value is configured through SCFG.
Signed-off-by: Yuan Yao <yao.y...@nxp.com>
---
arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h | 1 +
board/freescale/ls2080aqds/ls2080aqds.c | 5 +++++
2 files changed, 6 insertions(+)
diff --git a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h
b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h
index 65b3357..bfff2ec 100644
--- a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h
+++ b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h
@@ -139,6 +139,7 @@
/* Supplemental Configuration */
#define SCFG_BASE 0x01fc0000
#define SCFG_USB3PRM1CR 0x000
+#define SCFG_QSPICLKCTLR 0x10
#define TP_ITYP_AV 0x00000001 /* Initiator available */
#define TP_ITYP_TYPE(x) (((x) & 0x6) >> 1) /* Initiator Type */
diff --git a/board/freescale/ls2080aqds/ls2080aqds.c
b/board/freescale/ls2080aqds/ls2080aqds.c
index b3bd40a..d7acb48 100644
--- a/board/freescale/ls2080aqds/ls2080aqds.c
+++ b/board/freescale/ls2080aqds/ls2080aqds.c
@@ -26,6 +26,7 @@
#define PIN_MUX_SEL_SDHC 0x00
#define PIN_MUX_SEL_DSPI 0x0a
+#define SCFG_QSPICLKCTRL_DIV_20 (5 << 27)
#define SET_SDHC_MUX_SEL(reg, value) ((reg & 0xf0) | value)
@@ -219,6 +220,10 @@ int board_init(void)
int board_early_init_f(void)
{
fsl_lsch3_early_init_f();
+#ifdef CONFIG_FSL_QSPI
+ /* input clk: 1/2 platform clk, output: input/20 */
+ out_le32(SCFG_BASE + SCFG_QSPICLKCTLR, SCFG_QSPICLKCTRL_DIV_20);
+#endif
return 0;
}
--
2.1.0.27.g96db324
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