From: Yuan Yao yao.yuan@nxp.com
QSPI module output SCLK divisor value is configured through SCFG.
Signed-off-by: Yuan Yao yao.yuan@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; }