From e4290aa10af0a69c81bbb3be1a8aef7465aed2ad Mon Sep 17 00:00:00 2001
From: Ladislav Michl <ladis@linux-mips.org>
Date: Sun, 19 Feb 2017 00:24:49 +0100
Subject: [PATCH] igep00x0: fixup FDT according to detected flash type
Leave only detected flash type enabled in FTD as otherwise GPMC CS is
claimed (and never freed) by Linux, causing 'concurent' flash type
not to be probed.
Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
---
board/isee/igep00x0/igep00x0.c | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/board/isee/igep00x0/igep00x0.c b/board/isee/igep00x0/igep00x0.c
index 65cc7dfdec..e032f313a6 100644
--- a/board/isee/igep00x0/igep00x0.c
+++ b/board/isee/igep00x0/igep00x0.c
@@ -214,6 +214,20 @@ void board_mmc_power_init(void)
#endif
#ifdef CONFIG_OF_BOARD_SETUP
+static int ft_enable_by_compatible(void *blob, char *compat, int enable)
+{
+ int off = fdt_node_offset_by_compatible(blob, -1, compat);
+ if (off < 0)
+ return off;
+
+ if (enable)
+ fdt_status_okay(blob, off);
+ else
+ fdt_status_disabled(blob, off);
+
+ return 0;
+}
+
int ft_board_setup(void *blob, bd_t *bd)
{
#ifdef CONFIG_FDT_FIXUP_PARTITIONS
@@ -224,6 +238,11 @@ int ft_board_setup(void *blob, bd_t *bd)
fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
#endif
+ ft_enable_by_compatible(blob, "ti,omap2-nand",
+ gpmc_cs0_flash == MTD_DEV_TYPE_NAND);
+ ft_enable_by_compatible(blob, "ti,omap2-onenand",
+ gpmc_cs0_flash == MTD_DEV_TYPE_ONENAND);
+
return 0;
}
#endif
--
2.39.5