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powerpc/85xx: Add QE common init function 

Define a QE init function in common file, and avoid
the same codes being duplicated in board files.

Signed-off-by: Xie Xiaobo <X.Xie@freescale.com>
Signed-off-by: Scott Wood <scottwood@freescale.com>
This commit is contained in:
Xie Xiaobo 2013-11-06 17:08:02 +08:00 committed by Scott Wood
parent 3d73eb69fb
commit 72c916ae97
4 changed files with 48 additions and 50 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
arch/powerpc/platforms/85xx/common.c
View File

@ -9,6 +9,7 @@
#include <linux/of_irq.h>
#include <linux/of_platform.h>
#include <asm/qe.h>
#include <sysdev/cpm2_pic.h>
#include "mpc85xx.h"
@ -82,3 +83,40 @@ void __init mpc85xx_cpm2_pic_init(void)
irq_set_chained_handler(irq, cpm2_cascade);
}
#endif
#ifdef CONFIG_QUICC_ENGINE
void __init mpc85xx_qe_init(void)
{
struct device_node *np;
np = of_find_compatible_node(NULL, NULL, "fsl,qe");
if (!np) {
np = of_find_node_by_name(NULL, "qe");
if (!np) {
pr_err("%s: Could not find Quicc Engine node\n",
__func__);
return;
}
}
if (!of_device_is_available(np)) {
of_node_put(np);
return;
}
qe_reset();
of_node_put(np);
np = of_find_node_by_name(NULL, "par_io");
if (np) {
struct device_node *ucc;
par_io_init(np);
of_node_put(np);
for_each_node_by_name(ucc, "ucc")
par_io_of_config(ucc);
}
}
#endif

6
arch/powerpc/platforms/85xx/mpc85xx.h
View File

@ -8,4 +8,10 @@ extern void mpc85xx_cpm2_pic_init(void);
static inline void __init mpc85xx_cpm2_pic_init(void) {}
#endif /* CONFIG_CPM2 */
#ifdef CONFIG_QUICC_ENGINE
extern void mpc85xx_qe_init(void);
#else
static inline void __init mpc85xx_qe_init(void) {}
#endif
#endif

29
arch/powerpc/platforms/85xx/mpc85xx_mds.c
View File

@ -1,5 +1,5 @@
/*
* Copyright (C) 2006-2010, 2012 Freescale Semiconductor, Inc.
* Copyright (C) 2006-2010, 2012-2013 Freescale Semiconductor, Inc.
* All rights reserved.
*
* Author: Andy Fleming <afleming@freescale.com>
@ -238,32 +238,7 @@ static void __init mpc85xx_mds_qe_init(void)
{
struct device_node *np;
np = of_find_compatible_node(NULL, NULL, "fsl,qe");
if (!np) {
np = of_find_node_by_name(NULL, "qe");
if (!np)
return;
}
if (!of_device_is_available(np)) {
of_node_put(np);
return;
}
qe_reset();
of_node_put(np);
np = of_find_node_by_name(NULL, "par_io");
if (np) {
struct device_node *ucc;
par_io_init(np);
of_node_put(np);
for_each_node_by_name(ucc, "ucc")
par_io_of_config(ucc);
}
mpc85xx_qe_init();
mpc85xx_mds_reset_ucc_phys();
if (machine_is(p1021_mds)) {

25
arch/powerpc/platforms/85xx/mpc85xx_rdb.c
View File

@ -1,7 +1,7 @@
/*
* MPC85xx RDB Board Setup
*
* Copyright 2009,2012 Freescale Semiconductor Inc.
* Copyright 2009,2012-2013 Freescale Semiconductor Inc.
*
* 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
@ -98,26 +98,7 @@ static void __init mpc85xx_rdb_setup_arch(void)
fsl_pci_assign_primary();
#ifdef CONFIG_QUICC_ENGINE
np = of_find_compatible_node(NULL, NULL, "fsl,qe");
if (!np) {
pr_err("%s: Could not find Quicc Engine node\n", __func__);
goto qe_fail;
}
qe_reset();
of_node_put(np);
np = of_find_node_by_name(NULL, "par_io");
if (np) {
struct device_node *ucc;
par_io_init(np);
of_node_put(np);
for_each_node_by_name(ucc, "ucc")
par_io_of_config(ucc);
}
mpc85xx_qe_init();
#if defined(CONFIG_UCC_GETH) || defined(CONFIG_SERIAL_QE)
if (machine_is(p1025_rdb)) {
@ -148,8 +129,6 @@ static void __init mpc85xx_rdb_setup_arch(void)
}
#endif
qe_fail:
#endif /* CONFIG_QUICC_ENGINE */
printk(KERN_INFO "MPC85xx RDB board from Freescale Semiconductor\n");