[U-Boot] [PATCH 2/2] igep00x0: fixup FDT according to detected flash type
Ladislav Michl
ladis at linux-mips.org
Sat Feb 18 23:24:49 UTC 2017
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 at 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
--
2.11.0
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