From 6b6b7e8a6c228e9d717617b4b2a28c7fd0773bb0 Mon Sep 17 00:00:00 2001 From: Ashish Kumar Date: Thu, 9 Nov 2017 11:14:24 +0530 Subject: [PATCH] armv8: ls1088: Add fsl_fdt_fixup_flash IFC-NOR and QSPI-NOR signals are muxed on SoC to save pins Add fsl_fdt_fixup_flash() to disable IFC-NOR node in dts if QSPI is enabled and vice-versa Signed-off-by: Ashish Kumar Reviewed-by: York Sun --- board/freescale/ls1088a/ls1088a.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/board/freescale/ls1088a/ls1088a.c b/board/freescale/ls1088a/ls1088a.c index 96d9ae7f1d..b8d015f3e5 100644 --- a/board/freescale/ls1088a/ls1088a.c +++ b/board/freescale/ls1088a/ls1088a.c @@ -368,6 +368,33 @@ void fdt_fixup_board_enet(void *fdt) #endif #ifdef CONFIG_OF_BOARD_SETUP +void fsl_fdt_fixup_flash(void *fdt) +{ + int offset; + +/* + * IFC-NOR and QSPI are muxed on SoC. + * So disable IFC node in dts if QSPI is enabled or + * disable QSPI node in dts in case QSPI is not enabled. + */ + +#ifdef CONFIG_FSL_QSPI + offset = fdt_path_offset(fdt, "/soc/ifc/nor"); + + if (offset < 0) + offset = fdt_path_offset(fdt, "/ifc/nor"); +#else + offset = fdt_path_offset(fdt, "/soc/quadspi"); + + if (offset < 0) + offset = fdt_path_offset(fdt, "/quadspi"); +#endif + if (offset < 0) + return; + + fdt_status_disabled(fdt, offset); +} + int ft_board_setup(void *blob, bd_t *bd) { int err, i; @@ -394,6 +421,8 @@ int ft_board_setup(void *blob, bd_t *bd) fdt_fixup_memory_banks(blob, base, size, CONFIG_NR_DRAM_BANKS); + fsl_fdt_fixup_flash(blob); + #ifdef CONFIG_FSL_MC_ENET fdt_fixup_board_enet(blob); err = fsl_mc_ldpaa_exit(bd);