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authorZhao Qiang <qiang.zhao@freescale.com>2015-08-28 10:31:50 +0800
committerYork Sun <yorksun@freescale.com>2015-11-02 08:48:20 -0800
commitd4683776728b2442379b15b4d22318e223a5124e (patch)
tree6c89388bc9ba2a40f5f43c4d3fc9373727a00deb
parenta61047370d0b73ab886c5863e952695b5ee0d75b (diff)
downloadblackbird-obmc-uboot-d4683776728b2442379b15b4d22318e223a5124e.tar.gz
blackbird-obmc-uboot-d4683776728b2442379b15b4d22318e223a5124e.zip
t1040d4rdb: assign muxed pins to qe-tdm when set hwconfig qe-tdm
qe-tdm is muxed with diu, if hwconfig setted as qe-tdm, assign muxed pins to qe-tdm, then delete diu node from device tree. Signed-off-by: Zhao Qiang <qiang.zhao@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>
-rw-r--r--arch/powerpc/cpu/mpc85xx/fdt.c11
-rw-r--r--arch/powerpc/include/asm/fsl_fdt.h11
-rw-r--r--board/freescale/t104xrdb/cpld.h1
-rw-r--r--board/freescale/t104xrdb/t104xrdb.c10
4 files changed, 33 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/fdt.c b/arch/powerpc/cpu/mpc85xx/fdt.c
index d4c3d9df9b..7270be1b28 100644
--- a/arch/powerpc/cpu/mpc85xx/fdt.c
+++ b/arch/powerpc/cpu/mpc85xx/fdt.c
@@ -13,6 +13,7 @@
#include <asm/processor.h>
#include <linux/ctype.h>
#include <asm/io.h>
+#include <asm/fsl_fdt.h>
#include <asm/fsl_portals.h>
#include <hwconfig.h>
#ifdef CONFIG_FSL_ESDHC
@@ -943,3 +944,13 @@ int ft_verify_fdt(void *fdt)
return 1;
}
+
+void fdt_del_diu(void *blob)
+{
+ int nodeoff = 0;
+
+ while ((nodeoff = fdt_node_offset_by_compatible(blob, 0,
+ "fsl,diu")) >= 0) {
+ fdt_del_node(blob, nodeoff);
+ }
+}
diff --git a/arch/powerpc/include/asm/fsl_fdt.h b/arch/powerpc/include/asm/fsl_fdt.h
new file mode 100644
index 0000000000..82e8f45644
--- /dev/null
+++ b/arch/powerpc/include/asm/fsl_fdt.h
@@ -0,0 +1,11 @@
+/*
+ * Copyright 2015 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+#ifndef _FSL_FDT_H_
+#define _FSL_FDT_H_
+
+void fdt_del_diu(void *blob);
+
+#endif
diff --git a/board/freescale/t104xrdb/cpld.h b/board/freescale/t104xrdb/cpld.h
index 2fb4105275..86de26cc9d 100644
--- a/board/freescale/t104xrdb/cpld.h
+++ b/board/freescale/t104xrdb/cpld.h
@@ -44,3 +44,4 @@ void cpld_write(unsigned int reg, u8 value);
cpld_write(offsetof(struct cpld_data, reg), value)
#define MISC_CTL_SG_SEL 0x80
#define MISC_CTL_AURORA_SEL 0x02
+#define MISC_MUX_QE_TDM 0xc0
diff --git a/board/freescale/t104xrdb/t104xrdb.c b/board/freescale/t104xrdb/t104xrdb.c
index d982dfc872..322765288b 100644
--- a/board/freescale/t104xrdb/t104xrdb.c
+++ b/board/freescale/t104xrdb/t104xrdb.c
@@ -6,12 +6,14 @@
#include <common.h>
#include <command.h>
+#include <hwconfig.h>
#include <netdev.h>
#include <linux/compiler.h>
#include <asm/mmu.h>
#include <asm/processor.h>
#include <asm/cache.h>
#include <asm/immap_85xx.h>
+#include <asm/fsl_fdt.h>
#include <asm/fsl_law.h>
#include <asm/fsl_serdes.h>
#include <asm/fsl_portals.h>
@@ -110,6 +112,12 @@ int misc_init_r(void)
MISC_CTL_SG_SEL | MISC_CTL_AURORA_SEL);
#if defined(CONFIG_T1040D4RDB)
+ if (hwconfig("qe-tdm")) {
+ CPLD_WRITE(sfp_ctl_status, CPLD_READ(sfp_ctl_status) |
+ MISC_MUX_QE_TDM);
+ printf("QECSR : 0x%02x, mux to qe-tdm\n",
+ CPLD_READ(sfp_ctl_status));
+ }
/* Mask all CPLD interrupt sources, except QSGMII interrupts */
if (CPLD_READ(sw_ver) < 0x03) {
debug("CPLD SW version 0x%02x doesn't support int_mask\n",
@@ -149,5 +157,7 @@ int ft_board_setup(void *blob, bd_t *bd)
fdt_fixup_fman_ethernet(blob);
#endif
+ if (hwconfig("qe-tdm"))
+ fdt_del_diu(blob);
return 0;
}
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