This patch updates cmu.c to get the resource by standard method.
Yoichi
Signed-off-by: Yoichi Yuasa <[EMAIL PROTECTED]>
diff -urN -X dontdiff a-orig/arch/mips/pci/pci-vr41xx.c
a/arch/mips/pci/pci-vr41xx.c
--- a-orig/arch/mips/pci/pci-vr41xx.c Sun Feb 13 12:08:05 2005
+++ a/arch/mips/pci/pci-vr41xx.c Sun Feb 27 23:43:50 2005
@@ -288,4 +288,4 @@
return 0;
}
-early_initcall(vr41xx_pciu_init);
+arch_initcall(vr41xx_pciu_init);
diff -urN -X dontdiff a-orig/arch/mips/vr41xx/common/cmu.c
a/arch/mips/vr41xx/common/cmu.c
--- a-orig/arch/mips/vr41xx/common/cmu.c Wed Feb 23 23:08:56 2005
+++ a/arch/mips/vr41xx/common/cmu.c Sun Feb 27 23:43:50 2005
@@ -3,7 +3,7 @@
*
* Copyright (C) 2001-2002 MontaVista Software Inc.
* Author: Yoichi Yuasa <[EMAIL PROTECTED] or [EMAIL PROTECTED]>
- * Copuright (C) 2003-2004 Yoichi Yuasa <[EMAIL PROTECTED]>
+ * Copuright (C) 2003-2005 Yoichi Yuasa <[EMAIL PROTECTED]>
*
* 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
@@ -29,6 +29,8 @@
* - Added support for NEC VR4133.
*/
#include <linux/init.h>
+#include <linux/ioport.h>
+#include <linux/module.h>
#include <linux/smp.h>
#include <linux/spinlock.h>
#include <linux/types.h>
@@ -37,8 +39,16 @@
#include <asm/io.h>
#include <asm/vr41xx/vr41xx.h>
-#define CMUCLKMSK_TYPE1 KSEG1ADDR(0x0b000060)
-#define CMUCLKMSK_TYPE2 KSEG1ADDR(0x0f000060)
+#define CMU_TYPE1_BASE 0x0b000060UL
+#define CMU_TYPE1_SIZE 0x4
+
+#define CMU_TYPE2_BASE 0x0f000060UL
+#define CMU_TYPE2_SIZE 0x4
+
+#define CMU_TYPE3_BASE 0x0f000060UL
+#define CMU_TYPE3_SIZE 0x8
+
+#define CMUCLKMSK 0x0
#define MSKPIU 0x0001
#define MSKSIU 0x0002
#define MSKAIU 0x0004
@@ -52,19 +62,17 @@
#define MSKFFIR 0x0400
#define MSKSCSI 0x1000
#define MSKPPCIU 0x2000
-#define CMUCLKMSK2 KSEG1ADDR(0x0f000064)
+#define CMUCLKMSK2 0x4
#define MSKCEU 0x0001
#define MSKMAC0 0x0002
#define MSKMAC1 0x0004
-static uint32_t cmu_base;
+static void __iomem *cmu_base;
static uint16_t cmuclkmsk, cmuclkmsk2;
static spinlock_t cmu_lock;
-#define read_cmuclkmsk() readw(cmu_base)
-#define read_cmuclkmsk2() readw(CMUCLKMSK2)
-#define write_cmuclkmsk() writew(cmuclkmsk, cmu_base)
-#define write_cmuclkmsk2() writew(cmuclkmsk2, CMUCLKMSK2)
+#define cmu_read(offset) readw(cmu_base + (offset))
+#define cmu_write(offset, value) writew((value), cmu_base + (offset))
void vr41xx_supply_clock(vr41xx_clock_t clock)
{
@@ -120,13 +128,15 @@
if (clock == CEU_CLOCK || clock == ETHER0_CLOCK ||
clock == ETHER1_CLOCK)
- write_cmuclkmsk2();
+ cmu_write(CMUCLKMSK2, cmuclkmsk2);
else
- write_cmuclkmsk();
+ cmu_write(CMUCLKMSK, cmuclkmsk);
spin_unlock_irq(&cmu_lock);
}
+EXPORT_SYMBOL_GPL(vr41xx_supply_clock);
+
void vr41xx_mask_clock(vr41xx_clock_t clock)
{
spin_lock_irq(&cmu_lock);
@@ -193,38 +203,55 @@
if (clock == CEU_CLOCK || clock == ETHER0_CLOCK ||
clock == ETHER1_CLOCK)
- write_cmuclkmsk2();
+ cmu_write(CMUCLKMSK2, cmuclkmsk2);
else
- write_cmuclkmsk();
+ cmu_write(CMUCLKMSK, cmuclkmsk);
spin_unlock_irq(&cmu_lock);
}
+EXPORT_SYMBOL_GPL(vr41xx_mask_clock);
+
static int __init vr41xx_cmu_init(void)
{
+ unsigned long start, size;
+
switch (current_cpu_data.cputype) {
case CPU_VR4111:
case CPU_VR4121:
- cmu_base = CMUCLKMSK_TYPE1;
+ start = CMU_TYPE1_BASE;
+ size = CMU_TYPE1_SIZE;
break;
case CPU_VR4122:
case CPU_VR4131:
- cmu_base = CMUCLKMSK_TYPE2;
- break;
+ start = CMU_TYPE2_BASE;
+ size = CMU_TYPE2_SIZE;
+ break;
case CPU_VR4133:
- cmu_base = CMUCLKMSK_TYPE2;
- cmuclkmsk2 = read_cmuclkmsk2();
+ start = CMU_TYPE3_BASE;
+ size = CMU_TYPE3_SIZE;
break;
default:
panic("Unexpected CPU of NEC VR4100 series");
break;
}
- cmuclkmsk = read_cmuclkmsk();
+ if (request_mem_region(start, size, "CMU") == NULL)
+ return -EBUSY;
+
+ cmu_base = ioremap(start, size);
+ if (cmu_base == NULL) {
+ release_mem_region(start, size);
+ return -EBUSY;
+ }
+
+ cmuclkmsk = cmu_read(CMUCLKMSK);
+ if (current_cpu_data.cputype == CPU_VR4133)
+ cmuclkmsk2 = cmu_read(CMUCLKMSK2);
spin_lock_init(&cmu_lock);
return 0;
}
-early_initcall(vr41xx_cmu_init);
+core_initcall(vr41xx_cmu_init);
-
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