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authorRamneek Mehresh <ramneek.mehresh@freescale.com>2011-05-12 19:30:36 +0530
committerKumar Gala <galak@kernel.crashing.org>2011-07-11 13:24:20 -0500
commit86dda504847e6b05b01a4c37ebbafff4cbf78eac (patch)
tree32cfe77afc5f42123112e8d268102b5571943f52 /board/freescale/p1_p2_rdb
parent636c316f9b1d75242c6b53dbfe308414067f20f4 (diff)
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qoriq/p1_p2_rdb: USB device-tree fixups for P1020
Resolve P1020 second USB controller multiplexing with eLBC - mandatory to mention USB2 in hwconfig string to select it over eLBC, otherwise USB2 node is removed - works only for SPI and SD boot Signed-off-by: Ramneek Mehresh <ramneek.mehresh@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'board/freescale/p1_p2_rdb')
-rw-r--r--board/freescale/p1_p2_rdb/p1_p2_rdb.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/board/freescale/p1_p2_rdb/p1_p2_rdb.c b/board/freescale/p1_p2_rdb/p1_p2_rdb.c
index d66b130..864b3ce 100644
--- a/board/freescale/p1_p2_rdb/p1_p2_rdb.c
+++ b/board/freescale/p1_p2_rdb/p1_p2_rdb.c
@@ -37,6 +37,7 @@
#include <netdev.h>
#include <rtc.h>
#include <i2c.h>
+#include <hwconfig.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -247,6 +248,8 @@ extern void ft_pci_board_setup(void *blob);
void ft_board_setup(void *blob, bd_t *bd)
{
+ const char *soc_usb_compat = "fsl-usb2-dr";
+ int err, usb1_off, usb2_off;
phys_addr_t base;
phys_size_t size;
@@ -260,5 +263,49 @@ void ft_board_setup(void *blob, bd_t *bd)
#endif /* #if defined(CONFIG_PCI) */
fdt_fixup_memory(blob, (u64)base, (u64)size);
+
+ fdt_fixup_dr_usb(blob, bd);
+
+#if defined(CONFIG_SDCARD) || defined(CONFIG_SPIFLASH)
+ /* Delete eLBC node as it is muxed with USB2 controller */
+ if (hwconfig("usb2")) {
+ const char *soc_elbc_compat = "fsl,p1020-elbc";
+ int off = fdt_node_offset_by_compatible(blob, -1,
+ soc_elbc_compat);
+ if (off < 0) {
+ printf("WARNING: could not find compatible node"
+ " %s: %s.\n", soc_elbc_compat,
+ fdt_strerror(off));
+ return;
+ }
+ err = fdt_del_node(blob, off);
+ if (err < 0) {
+ printf("WARNING: could not remove %s: %s.\n",
+ soc_elbc_compat, fdt_strerror(err));
+ }
+ return;
+ }
+#endif
+ /* Delete USB2 node as it is muxed with eLBC */
+ usb1_off = fdt_node_offset_by_compatible(blob, -1,
+ soc_usb_compat);
+ if (usb1_off < 0) {
+ printf("WARNING: could not find compatible node"
+ " %s: %s.\n", soc_usb_compat,
+ fdt_strerror(usb1_off));
+ return;
+ }
+ usb2_off = fdt_node_offset_by_compatible(blob, usb1_off,
+ soc_usb_compat);
+ if (usb2_off < 0) {
+ printf("WARNING: could not find compatible node"
+ " %s: %s.\n", soc_usb_compat,
+ fdt_strerror(usb2_off));
+ return;
+ }
+ err = fdt_del_node(blob, usb2_off);
+ if (err < 0)
+ printf("WARNING: could not remove %s: %s.\n",
+ soc_usb_compat, fdt_strerror(err));
}
#endif