[U-Boot-Users] [PATCH] QE: Move FDT support into a common file

Kumar Gala galak at kernel.crashing.org
Thu Jan 17 15:25:45 CET 2008


Move the flat device tree setup for QE related devices into
a common file shared between 83xx & 85xx platforms that have QE's.

Signed-off-by: Kumar Gala <galak at kernel.crashing.org>
---
 common/fdt_support.c |   48 --------------------------
 cpu/mpc83xx/fdt.c    |   13 ++-----
 cpu/mpc85xx/fdt.c    |    8 ++---
 drivers/qe/Makefile  |    3 +-
 drivers/qe/fdt.c     |   90 ++++++++++++++++++++++++++++++++++++++++++++++++++
 drivers/qe/qe.h      |    1 +
 6 files changed, 99 insertions(+), 64 deletions(-)
 create mode 100644 drivers/qe/fdt.c

diff --git a/common/fdt_support.c b/common/fdt_support.c
index a13c140..92f1c7f 100644
--- a/common/fdt_support.c
+++ b/common/fdt_support.c
@@ -30,9 +30,6 @@
 #include <fdt_support.h>
 #include <exports.h>

-#ifdef CONFIG_QE
-#include "../drivers/qe/qe.h"
-#endif
 /*
  * Global data (for the gd->bd)
  */
@@ -617,49 +614,4 @@ void fdt_fixup_ethernet(void *fdt, bd_t *bd)
 #endif
 	}
 }
-
-#ifdef CONFIG_QE
-/*
- * If a QE firmware has been uploaded, then add the 'firmware' node under
- * the 'qe' node.
- */
-void fdt_fixup_qe_firmware(void *fdt)
-{
-	struct qe_firmware_info *qe_fw_info;
-	int node, ret;
-
-	qe_fw_info = qe_get_firmware_info();
-	if (!qe_fw_info)
-		return;
-
-	node = fdt_path_offset(fdt, "/qe");
-	if (node < 0)
-		return;
-
-	/* We assume the node doesn't exist yet */
-	node = fdt_add_subnode(fdt, node, "firmware");
-	if (node < 0)
-		return;
-
-	ret = fdt_setprop(fdt, node, "extended-modes",
-		&qe_fw_info->extended_modes, sizeof(u64));
-	if (ret < 0)
-		goto error;
-
-	ret = fdt_setprop_string(fdt, node, "id", qe_fw_info->id);
-	if (ret < 0)
-		goto error;
-
-	ret = fdt_setprop(fdt, node, "virtual-traps", qe_fw_info->vtraps,
-		sizeof(qe_fw_info->vtraps));
-	if (ret < 0)
-		goto error;
-
-	return;
-
-error:
-	fdt_del_node(fdt, node);
-}
-#endif
-
 #endif
diff --git a/cpu/mpc83xx/fdt.c b/cpu/mpc83xx/fdt.c
index 909171f..6f55932 100644
--- a/cpu/mpc83xx/fdt.c
+++ b/cpu/mpc83xx/fdt.c
@@ -30,6 +30,8 @@
 #include <libfdt.h>
 #include <fdt_support.h>

+extern void ft_qe_setup(void *blob);
+
 DECLARE_GLOBAL_DATA_PTR;

 void ft_cpu_setup(void *blob, bd_t *bd)
@@ -48,16 +50,7 @@ void ft_cpu_setup(void *blob, bd_t *bd)
 	do_fixup_by_prop_u32(blob, "device_type", "soc", 4,
 		"bus-frequency", bd->bi_busfreq, 1);
 #ifdef CONFIG_QE
-	do_fixup_by_prop_u32(blob, "device_type", "qe", 4,
-		"bus-frequency", gd->qe_clk, 1);
-	do_fixup_by_prop_u32(blob, "device_type", "qe", 4,
-		"brg-frequency", gd->brg_clk, 1);
-	do_fixup_by_compat_u32(blob, "fsl,qe",
-		"clock-frequency", gd->qe_clk, 1);
-	do_fixup_by_compat_u32(blob, "fsl,qe",
-		"bus-frequency", gd->qe_clk, 1);
-	do_fixup_by_compat_u32(blob, "fsl,qe",
-		"brg-frequency", gd->brg_clk, 1);
+	ft_qe_setup(blob);
 #endif

 #ifdef CFG_NS16550
diff --git a/cpu/mpc85xx/fdt.c b/cpu/mpc85xx/fdt.c
index 0ce17e7..a6b014c 100644
--- a/cpu/mpc85xx/fdt.c
+++ b/cpu/mpc85xx/fdt.c
@@ -27,6 +27,8 @@
 #include <libfdt.h>
 #include <fdt_support.h>

+extern void ft_qe_setup(void *blob);
+
 void ft_cpu_setup(void *blob, bd_t *bd)
 {
 #if defined(CONFIG_HAS_ETH0) || defined(CONFIG_HAS_ETH1) ||\
@@ -43,11 +45,7 @@ void ft_cpu_setup(void *blob, bd_t *bd)
 	do_fixup_by_prop_u32(blob, "device_type", "soc", 4,
 		"bus-frequency", bd->bi_busfreq, 1);
 #ifdef CONFIG_QE
-	do_fixup_by_prop_u32(blob, "device_type", "qe", 4,
-		"bus-frequency", bd->bi_busfreq, 1);
-	do_fixup_by_prop_u32(blob, "device_type", "qe", 4,
-			"brg-frequency", bd->bi_busfreq / 2, 1);
-	fdt_fixup_qe_firmware(blob);
+	ft_qe_setup(blob);
 #endif

 #ifdef CFG_NS16550
diff --git a/drivers/qe/Makefile b/drivers/qe/Makefile
index 4844181..ec5aa73 100644
--- a/drivers/qe/Makefile
+++ b/drivers/qe/Makefile
@@ -24,7 +24,8 @@ include $(TOPDIR)/config.mk

 LIB 	:= $(obj)qe.a

-COBJS 	:= qe.o uccf.o uec.o uec_phy.o
+COBJS-$(CONFIG_OF_LIBFDT) += fdt.o
+COBJS 	:= qe.o uccf.o uec.o uec_phy.o $(COBJS-y)

 SRCS 	:= $(COBJS:.o=.c)
 OBJS 	:= $(addprefix $(obj),$(COBJS))
diff --git a/drivers/qe/fdt.c b/drivers/qe/fdt.c
new file mode 100644
index 0000000..5307488
--- /dev/null
+++ b/drivers/qe/fdt.c
@@ -0,0 +1,90 @@
+/*
+ * Copyright 2008 Freescale Semiconductor, Inc.
+ *
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd at denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <libfdt.h>
+#include <fdt_support.h>
+#include "qe.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * If a QE firmware has been uploaded, then add the 'firmware' node under
+ * the 'qe' node.
+ */
+void fdt_fixup_qe_firmware(void *blob)
+{
+	struct qe_firmware_info *qe_fw_info;
+	int node, ret;
+
+	qe_fw_info = qe_get_firmware_info();
+	if (!qe_fw_info)
+		return;
+
+	node = fdt_path_offset(blob, "/qe");
+	if (node < 0)
+		return;
+
+	/* We assume the node doesn't exist yet */
+	node = fdt_add_subnode(blob, node, "firmware");
+	if (node < 0)
+		return;
+
+	ret = fdt_setprop(blob, node, "extended-modes",
+		&qe_fw_info->extended_modes, sizeof(u64));
+	if (ret < 0)
+		goto error;
+
+	ret = fdt_setprop_string(blob, node, "id", qe_fw_info->id);
+	if (ret < 0)
+		goto error;
+
+	ret = fdt_setprop(blob, node, "virtual-traps", qe_fw_info->vtraps,
+		sizeof(qe_fw_info->vtraps));
+	if (ret < 0)
+		goto error;
+
+	return;
+
+error:
+	fdt_del_node(blob, node);
+}
+
+void ft_qe_setup(void *blob)
+{
+#ifdef CONFIG_QE
+	do_fixup_by_prop_u32(blob, "device_type", "qe", 4,
+		"bus-frequency", gd->qe_clk, 1);
+	do_fixup_by_prop_u32(blob, "device_type", "qe", 4,
+		"brg-frequency", gd->brg_clk, 1);
+	do_fixup_by_compat_u32(blob, "fsl,qe",
+		"clock-frequency", gd->qe_clk, 1);
+	do_fixup_by_compat_u32(blob, "fsl,qe",
+		"bus-frequency", gd->qe_clk, 1);
+	do_fixup_by_compat_u32(blob, "fsl,qe",
+		"brg-frequency", gd->brg_clk, 1);
+	fdt_fixup_qe_firmware(blob);
+#endif
+}
diff --git a/drivers/qe/qe.h b/drivers/qe/qe.h
index 4c96c67..741ed7f 100644
--- a/drivers/qe/qe.h
+++ b/drivers/qe/qe.h
@@ -289,5 +289,6 @@ int qe_set_brg(uint brg, uint rate);
 int qe_set_mii_clk_src(int ucc_num);
 int qe_upload_firmware(const struct qe_firmware *firmware);
 struct qe_firmware_info *qe_get_firmware_info(void);
+void ft_qe_setup(void *blob);

 #endif /* __QE_H__ */
-- 
1.5.3.7





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