powerpc/85xx: Abstract common define of signal multiplex control for qe
authorZhicheng Fan <b32736@freescale.com>
Wed, 22 Feb 2012 05:44:07 +0000 (13:44 +0800)
committerKumar Gala <galak@kernel.crashing.org>
Fri, 16 Mar 2012 19:59:38 +0000 (14:59 -0500)
The mpc85xx_rdb and mpc85xx_mds have commom define of signal multiplex for qe, so
they need to go in common header, the patch abstract them to fsl_guts.h

Signed-off-by: Zhicheng Fan <b32736@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
arch/powerpc/include/asm/fsl_guts.h
arch/powerpc/platforms/85xx/mpc85xx_mds.c

index bebd12463ec9e1375548aca2fd96e01eb7fc3334..ce04530d20003a42e045a634790691c99d715d53 100644 (file)
@@ -4,7 +4,7 @@
  * Authors: Jeff Brown
  *          Timur Tabi <timur@freescale.com>
  *
- * Copyright 2004,2007 Freescale Semiconductor, Inc
+ * Copyright 2004,2007,2012 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
@@ -114,6 +114,10 @@ struct ccsr_guts_86xx {
        __be32  srds2cr1;       /* 0x.0f44 - SerDes2 Control Register 0 */
 } __attribute__ ((packed));
 
+
+/* Alternate function signal multiplex control */
+#define MPC85xx_PMUXCR_QE(x) (0x8000 >> (x))
+
 #ifdef CONFIG_PPC_86xx
 
 #define CCSR_GUTS_DMACR_DEV_SSI        0       /* DMA controller/channel set to SSI */
index 57aceb5d273e4607f11cb67f09d6a5091db460d1..f33662b46b8d31052028c4ff779b5a4d8fc064d1 100644 (file)
@@ -1,5 +1,6 @@
 /*
- * Copyright (C) Freescale Semicondutor, Inc. 2006-2010. All rights reserved.
+ * Copyright (C) 2006-2010, 2012 Freescale Semicondutor, Inc.
+ * All rights reserved.
  *
  * Author: Andy Fleming <afleming@freescale.com>
  *
@@ -51,6 +52,7 @@
 #include <asm/qe_ic.h>
 #include <asm/mpic.h>
 #include <asm/swiotlb.h>
+#include <asm/fsl_guts.h>
 #include "smp.h"
 
 #include "mpc85xx.h"
@@ -268,34 +270,27 @@ static void __init mpc85xx_mds_qe_init(void)
        mpc85xx_mds_reset_ucc_phys();
 
        if (machine_is(p1021_mds)) {
-#define MPC85xx_PMUXCR_OFFSET           0x60
-#define MPC85xx_PMUXCR_QE0              0x00008000
-#define MPC85xx_PMUXCR_QE3              0x00001000
-#define MPC85xx_PMUXCR_QE9              0x00000040
-#define MPC85xx_PMUXCR_QE12             0x00000008
-               static __be32 __iomem *pmuxcr;
 
-               np = of_find_node_by_name(NULL, "global-utilities");
+               struct ccsr_guts_85xx __iomem *guts;
 
+               np = of_find_node_by_name(NULL, "global-utilities");
                if (np) {
-                       pmuxcr = of_iomap(np, 0) + MPC85xx_PMUXCR_OFFSET;
-
-                       if (!pmuxcr)
-                               printk(KERN_EMERG "Error: Alternate function"
-                                       " signal multiplex control register not"
-                                       " mapped!\n");
-                       else
+                       guts = of_iomap(np, 0);
+                       if (!guts)
+                               pr_err("mpc85xx-rdb: could not map global utilities register\n");
+                       else{
                        /* P1021 has pins muxed for QE and other functions. To
                         * enable QE UEC mode, we need to set bit QE0 for UCC1
                         * in Eth mode, QE0 and QE3 for UCC5 in Eth mode, QE9
                         * and QE12 for QE MII management signals in PMUXCR
                         * register.
                         */
-                               setbits32(pmuxcr, MPC85xx_PMUXCR_QE0 |
-                                                 MPC85xx_PMUXCR_QE3 |
-                                                 MPC85xx_PMUXCR_QE9 |
-                                                 MPC85xx_PMUXCR_QE12);
-
+                               setbits32(&guts->pmuxcr, MPC85xx_PMUXCR_QE(0) |
+                                                 MPC85xx_PMUXCR_QE(3) |
+                                                 MPC85xx_PMUXCR_QE(9) |
+                                                 MPC85xx_PMUXCR_QE(12));
+                               iounmap(guts);
+                       }
                        of_node_put(np);
                }