From: Yuan Yao yao.yuan@nxp.com
In order to access QSPI flash we must asserted ISO allowing the DUT to access the full IFC domain. But deasserted the unused ISO will allowing maximum performance.
Signed-off-by: Yuan Yao yao.yuan@nxp.com --- arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h | 2 ++ board/freescale/ls2080aqds/ls2080aqds.c | 9 +++++++++ include/configs/ls2080aqds.h | 6 ++++++ 3 files changed, 17 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 bfff2ec..7c47cc8 100644 --- a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h +++ b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h @@ -128,6 +128,8 @@ #define DCFG_PORSR1_RCW_SRC_NOR 0x12f00000 #define DCFG_RCWSR13 0x130 #define DCFG_RCWSR13_DSPI (0 << 8) +#define DCFG_RCWSR15 0x138 +#define DCFG_RCWSR15_IFCGRPABASE_QSPI 0x3
#define DCFG_DCSR_BASE 0X700100000ULL #define DCFG_DCSR_PORCR1 0x000 diff --git a/board/freescale/ls2080aqds/ls2080aqds.c b/board/freescale/ls2080aqds/ls2080aqds.c index 19bb4c6..8bdcb04 100644 --- a/board/freescale/ls2080aqds/ls2080aqds.c +++ b/board/freescale/ls2080aqds/ls2080aqds.c @@ -208,6 +208,15 @@ int board_init(void) else config_board_mux(MUX_TYPE_SDHC);
+#if defined(CONFIG_NAND) && defined(CONFIG_FSL_QSPI) + val = in_le32(dcfg_ccsr + DCFG_RCWSR15 / 4); + + if (DCFG_RCWSR15_IFCGRPABASE_QSPI == (val & (u32)0x3)) + QIXIS_WRITE(brdcfg[9], + (QIXIS_READ(brdcfg[9]) & 0xf8) | + FSL_QIXIS_BRDCFG9_QSPI); +#endif + #ifdef CONFIG_ENV_IS_NOWHERE gd->env_addr = (ulong)&default_environment[0]; #endif diff --git a/include/configs/ls2080aqds.h b/include/configs/ls2080aqds.h index 8e193a6..7152c2b 100644 --- a/include/configs/ls2080aqds.h +++ b/include/configs/ls2080aqds.h @@ -303,6 +303,12 @@ unsigned long get_board_ddr_clk(void); #define FSL_QSPI_FLASH_SIZE (1 << 26) /* 64MB */ #define FSL_QSPI_FLASH_NUM 4 #endif +/* + * Verify QSPI when boot from NAND, QIXIS brdcfg9 need configure. + * If boot from on-board NAND, ISO1 = 1, ISO2 = 0, IBOOT = 0 + * If boot from IFCCard NAND, ISO1 = 0, ISO2 = 0, IBOOT = 1 + */ +#define FSL_QIXIS_BRDCFG9_QSPI 0x1
#endif