aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/ixp4xx-2.6/patches/070-ixp4xx_freq_fixup.patch
blob: 5b406a7bc78a61bbd8ad6764a09bb49d68ab92b0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
This patch is required as the frequency fixup in nslu2_init does not
run sufficiently early in the boot sequence to take effect. In
addition the dsmg600 setup code behaviour has been improved such
that a 'fixup' routine is avoided.

Signed-off-by: Michael-Luke Jones <mlj28@cam.ac.uk>

Index: linux-2.6.21-arm/arch/arm/mach-ixp4xx/nslu2-setup.c
===================================================================
--- linux-2.6.21-arm.orig/arch/arm/mach-ixp4xx/nslu2-setup.c	2007-05-07 12:05:40.000000000 -0700
+++ linux-2.6.21-arm/arch/arm/mach-ixp4xx/nslu2-setup.c	2007-05-07 12:15:56.000000000 -0700
@@ -22,6 +22,7 @@
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/flash.h>
+#include <asm/mach/time.h>
 
 static struct flash_platform_data nslu2_flash_data = {
 	.map_name		= "cfi_probe",
@@ -157,10 +158,21 @@
 	gpio_line_set(NSLU2_PO_GPIO, IXP4XX_GPIO_HIGH);
 }
 
-static void __init nslu2_init(void)
+static void __init nslu2_timer_init(void)
 {
-	ixp4xx_timer_freq = NSLU2_FREQ;
+    /* The xtal on this machine is non-standard. */
+    ixp4xx_timer_freq = NSLU2_FREQ;
+
+    /* Call standard timer_init function. */
+    ixp4xx_timer_init();
+}
 
+static struct sys_timer nslu2_timer = {
+    .init   = nslu2_timer_init,
+};
+
+static void __init nslu2_init(void)
+{
 	ixp4xx_sys_init();
 
 	nslu2_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
@@ -185,6 +197,6 @@
 	.boot_params	= 0x00000100,
 	.map_io		= ixp4xx_map_io,
 	.init_irq	= ixp4xx_init_irq,
-	.timer          = &ixp4xx_timer,
+	.timer          = &nslu2_timer,
 	.init_machine	= nslu2_init,
 MACHINE_END
Index: linux-2.6.21-arm/arch/arm/mach-ixp4xx/common.c
===================================================================
--- linux-2.6.21-arm.orig/arch/arm/mach-ixp4xx/common.c	2007-05-07 12:05:40.000000000 -0700
+++ linux-2.6.21-arm/arch/arm/mach-ixp4xx/common.c	2007-05-07 12:15:16.000000000 -0700
@@ -269,7 +269,7 @@
 	.handler	= ixp4xx_timer_interrupt,
 };
 
-static void __init ixp4xx_timer_init(void)
+void __init ixp4xx_timer_init(void)
 {
 	/* Clear Pending Interrupt by writing '1' to it */
 	*IXP4XX_OSST = IXP4XX_OSST_TIMER_1_PEND;
Index: linux-2.6.21-arm/include/asm-arm/arch-ixp4xx/platform.h
===================================================================
--- linux-2.6.21-arm.orig/include/asm-arm/arch-ixp4xx/platform.h	2007-05-07 12:05:40.000000000 -0700
+++ linux-2.6.21-arm/include/asm-arm/arch-ixp4xx/platform.h	2007-05-07 12:15:16.000000000 -0700
@@ -113,6 +113,7 @@
 extern void ixp4xx_map_io(void);
 extern void ixp4xx_init_irq(void);
 extern void ixp4xx_sys_init(void);
+extern void ixp4xx_timer_init(void);
 extern struct sys_timer ixp4xx_timer;
 extern void ixp4xx_pci_preinit(void);
 struct pci_sys_data;
Index: linux-2.6.21-arm/arch/arm/mach-ixp4xx/dsmg600-setup.c
===================================================================
--- linux-2.6.21-arm.orig/arch/arm/mach-ixp4xx/dsmg600-setup.c	2007-05-07 12:05:42.000000000 -0700
+++ linux-2.6.21-arm/arch/arm/mach-ixp4xx/dsmg600-setup.c	2007-05-07 12:16:07.000000000 -0700
@@ -18,6 +18,7 @@
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/flash.h>
+#include <asm/mach/time.h>
 
 static struct flash_platform_data dsmg600_flash_data = {
 	.map_name		= "cfi_probe",
@@ -128,6 +129,19 @@
 	gpio_line_set(DSMG600_PO_GPIO, IXP4XX_GPIO_HIGH);
 }
 
+static void __init dsmg600_timer_init(void)
+{
+    /* The xtal on this machine is non-standard. */
+    ixp4xx_timer_freq = DSMG600_FREQ;
+
+    /* Call standard timer_init function. */
+    ixp4xx_timer_init();
+}
+
+static struct sys_timer dsmg600_timer = {
+    .init   = dsmg600_timer_init,
+};
+
 static void __init dsmg600_init(void)
 {
 	ixp4xx_sys_init();
@@ -155,21 +169,13 @@
 #endif
 }
 
-static void __init dsmg600_fixup(struct machine_desc *desc,
-                struct tag *tags, char **cmdline, struct meminfo *mi)
-{
-       /* The xtal on this machine is non-standard. */
-        ixp4xx_timer_freq = DSMG600_FREQ;
-}
-
 MACHINE_START(DSMG600, "D-Link DSM-G600 RevA")
 	/* Maintainer: www.nslu2-linux.org */
 	.phys_io	= IXP4XX_PERIPHERAL_BASE_PHYS,
 	.io_pg_offst	= ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xFFFC,
 	.boot_params	= 0x00000100,
-	.fixup          = dsmg600_fixup,
 	.map_io		= ixp4xx_map_io,
 	.init_irq	= ixp4xx_init_irq,
-	.timer          = &ixp4xx_timer,
+	.timer          = &dsmg600_timer,
 	.init_machine	= dsmg600_init,
 MACHINE_END