[U-Boot] [PATCH 2/2] mucmc52, uc101: delete ata@3a00 node, if no CF card is detected

[Heiko Schocher <hs@denx.de>]

Signed-off-by: Heiko Schocher <hs@denx.de>
---
 board/mucmc52/mucmc52.c |   15 +++++++++++++++
 board/uc101/uc101.c     |   15 +++++++++++++++
 2 files changed, 30 insertions(+), 0 deletions(-)

diff --git a/board/mucmc52/mucmc52.c b/board/mucmc52/mucmc52.c
index bac49be..950798a 100644
--- a/board/mucmc52/mucmc52.c
+++ b/board/mucmc52/mucmc52.c
@@ -400,8 +400,23 @@ void pci_init_board (void)
 #endif

 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
+#include <libfdt.h>
 void ft_board_setup(void *blob, bd_t *bd)
 {
+	extern block_dev_desc_t ide_dev_desc[CONFIG_SYS_IDE_MAXDEVICE];
+
 	ft_cpu_setup(blob, bd);
+	if (ide_dev_desc[0].type == DEV_TYPE_UNKNOWN) {
+		/* NO CF card detected -> delete ata node in DTS */
+		int nodeoffset = 0;
+		char nodename[] = "/soc5200 at f0000000/ata at 3a00";
+
+		nodeoffset = fdt_path_offset (blob, nodename);
+		if (nodeoffset >= 0) {
+			fdt_del_node(blob, nodeoffset);
+		} else
+			printf("%s: cannot find %s node err:%s\n",
+				__func__, nodename, fdt_strerror(nodeoffset));
+	}
 }
 #endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */
diff --git a/board/uc101/uc101.c b/board/uc101/uc101.c
index 4030b9d..4d39a08 100644
--- a/board/uc101/uc101.c
+++ b/board/uc101/uc101.c
@@ -373,8 +373,23 @@ void hw_watchdog_reset(void)
 #endif

 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
+#include <libfdt.h>
 void ft_board_setup(void *blob, bd_t *bd)
 {
+	extern block_dev_desc_t ide_dev_desc[CONFIG_SYS_IDE_MAXDEVICE];
+
 	ft_cpu_setup(blob, bd);
+	if (ide_dev_desc[0].type == DEV_TYPE_UNKNOWN) {
+		/* NO CF card detected -> delete ata node in DTS */
+		int nodeoffset = 0;
+		char nodename[] = "/soc5200 at f0000000/ata at 3a00";
+
+		nodeoffset = fdt_path_offset (blob, nodename);
+		if (nodeoffset >= 0) {
+			fdt_del_node(blob, nodeoffset);
+		} else
+			printf("%s: cannot find %s node err:%s\n",
+				__func__, nodename, fdt_strerror(nodeoffset));
+	}
 }
 #endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */
-- 
1.6.0.6

-- 
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