aboutsummaryrefslogtreecommitdiffstats
path: root/recipes/linux/openzaurus-pxa27x-2.4.20-rmk2-embedix20050602/P01-C3000-clockup_050221.patch
blob: d193f237331b6684342bd8f5e05e35319a264b6b (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
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
diff -Nur c3000_org/linux/arch/arm/config.in c3000_work/linux/arch/arm/config.in
--- c3000_org/linux/arch/arm/config.in	2004-08-21 09:48:07.000000000 +0900
+++ c3000_work/linux/arch/arm/config.in	2005-02-21 21:41:40.000000000 +0900
@@ -195,7 +195,7 @@
 dep_bool '      SHARP Spitz'  CONFIG_ARCH_PXA_SPITZ $CONFIG_ARCH_PXA_BOXER
 dep_bool '        Using Trial 0'  CONFIG_SPITZ_TR0 $CONFIG_ARCH_PXA_SPITZ
 dep_bool '        Using Trial 0.5'  CONFIG_SPITZ_TR0_5 $CONFIG_ARCH_PXA_SPITZ
-dep_bool '  SHARP Tosa'  CONFIG_ARCH_PXA_TOSA
+dep_bool '  SHARP Tosa'  CONFIG_ARCH_PXA_TOSA $CONFIG_ARCH_PXA
 dep_bool '    SHARP Tosa skipping' CONFIG_ARCH_PXA_TOSA_SKIP $CONFIG_ARCH_PXA_TOSA
 
 if [ "$CONFIG_SABINAL_DISCOVERY" = "y" -o "$CONFIG_ARCH_PXA_POODLE" = "y" -o \
@@ -475,6 +475,9 @@
    if [ "$CONFIG_ARCH_PXA_SPITZ" = "y" ]; then
       define_bool CONFIG_CPU_PXA27X y
    fi
+   if [ "$CONFIG_ARCH_PXA_SPITZ" = "y" ]; then
+      bool 'Use clock change(cccr_change) enable (EXPERIMENTAL)' CONFIG_SL_CCCR_CHANGE
+   fi
    if [ "$CONFIG_ARCH_SHARP_SL" = "y" ]; then
       define_bool CONFIG_BATT y
    fi
@@ -557,7 +560,7 @@
 #   bool '  Real-Time Scheduling support' CONFIG_RTSCHED
    define_bool CONFIG_RTSCHED y
    if [ "$CONFIG_RTSCHED" = "y" ]; then
-      int  '  MAX PTHREAD (int)' CONFIG_RTH_PTHREAD_MAX   128
+      int  '  MAX PTHREAD (int)' CONFIG_RTH_PTHREAD_MAX 128
       hex  '  RT MEMORY SIZE (hex)' CONFIG_RT_MEM_SIZE 80000
       bool '      Real-Time Calibrate support' CONFIG_RTHAL_CALIBRATION
       if [ "$CONFIG_RTHAL_CALIBRATION" != "y" ]; then
@@ -615,7 +618,7 @@
    hex 'Compressed ROM boot loader BSS address' CONFIG_ZBOOT_ROM_BSS 0
 else
    define_hex CONFIG_ZBOOT_ROM_TEXT 0
-   define_hex CONFIG_ZBOOT_ROM_BSS  0
+   define_hex CONFIG_ZBOOT_ROM_BSS 0
 fi
 
 if [ "$CONFIG_ARCH_SA1100" = "y" -o \
diff -Nur c3000_org/linux/arch/arm/mach-pxa/sharpsl_apm.c c3000_work/linux/arch/arm/mach-pxa/sharpsl_apm.c
--- c3000_org/linux/arch/arm/mach-pxa/sharpsl_apm.c	2004-11-16 15:31:06.000000000 +0900
+++ c3000_work/linux/arch/arm/mach-pxa/sharpsl_apm.c	2005-02-21 21:44:13.000000000 +0900
@@ -130,6 +130,11 @@
 extern int		HWR_flag;
 #endif
 
+#if defined(CONFIG_SL_CCCR_CHANGE)
+extern unsigned int CCCR_ValAdr_high;
+struct proc_dir_entry *proc_zaurus;
+#endif
+
 #if defined(CONFIG_SABINAL_DISCOVERY)
 #define SHARPSL_AC_LINE_STATUS (( ASIC3_GPIO_PSTS_D & AC_IN )? APM_AC_OFFLINE : APM_AC_ONLINE)
 #define BACKPACK_IN_DETECT()	( ASIC3_GPIO_PSTS_D & BACKPACK_DETECT ) /* 0: exist , 1: not in */
@@ -974,6 +979,63 @@
 
 EXPORT_SYMBOL(lock_FCS);
 
+#if defined(CONFIG_SL_CCCR_CHANGE)
+
+void write_cccr(int cccr)
+{
+    printk("Change CCCR = %x.\n",cccr);
+    CCCR_ValAdr_high = cccr;
+    sharpsl_chg_freq = cccr;
+    cpu_xscale_sl_change_speed_high();
+    cccr_reg = CCCR;
+    printk("Changed CCCR = %x.\n",cccr_reg);
+    return;
+}
+
+int read_cccr(void)
+{
+    return CCCR_ValAdr_high;
+}
+
+static ssize_t cccr_change_read_params(struct file *file, char *buf,
+				       size_t nbytes, loff_t *ppos)
+{
+        char outputbuf[32];
+	int count;
+	
+	if (*ppos>0) /* Assume reading completed in previous read*/
+	        return 0;
+	count = sprintf(outputbuf, "0x%08X\n", read_cccr());
+	count++;
+	*ppos += count;
+	if (count>nbytes)/* Assume output can be read at one time */
+	        return -EINVAL;
+	if (copy_to_user(buf, outputbuf, count+1))
+	        return -EFAULT;
+	return count;
+}
+
+static ssize_t cccr_change_write_params(struct file *file, const char *buf,
+					size_t nbytes, loff_t *ppos)
+{
+        unsigned int param=0;
+    
+	sscanf(buf,"%x",&param);
+	if (param) {
+	    write_cccr(param);
+	}
+	return nbytes;
+}
+
+static struct file_operations proc_cccr_change_params_operations = {
+        read:cccr_change_read_params,
+        write:cccr_change_write_params,
+};
+
+EXPORT_SYMBOL(read_cccr);
+EXPORT_SYMBOL(write_cccr);
+#endif
+
 #ifdef CONFIG_APM_CPU_IDLE
 #ifdef SHARPSL_NEW_IDLE
 static int save_icmr;
@@ -2786,6 +2848,7 @@
 	struct proc_dir_entry *apm_proc;
 	struct proc_dir_entry *lock_fcs_proc;
 	struct proc_dir_entry *power_mode_proc;
+	struct proc_dir_entry *cccr_change_proc;
 
 	apm_info.bios = apm_bios_info;
 	if (apm_info.bios.version == 0) {
@@ -2822,6 +2885,9 @@
 	printk("FCS : CCCR = %x\n",cccr_reg);
 #if defined(CONFIG_CPU_PXA27X)
 	sharpsl_chg_freq = cccr_reg;
+#if defined(CONFIG_SL_CCCR_CHANGE)
+	CCCR_ValAdr_high = sharpsl_chg_freq;
+#endif
 #endif
 #endif
 
@@ -2902,6 +2968,19 @@
 		power_mode_proc->proc_fops = &proc_power_mode_params_operations;
 	}
 
+#if defined(CONFIG_SL_CCCR_CHANGE)
+	proc_zaurus = proc_mkdir("zaurus", NULL);
+	if (proc_zaurus == NULL) {
+               unregister_chrdev(228, "zaurus");
+               printk(KERN_ERR "proc: can't create /proc/zaurus\n");
+               return -ENOMEM;
+	}
+	    
+	cccr_change_proc = create_proc_entry("zaurus/CCCR", 0, NULL);
+	if (cccr_change_proc) {
+	        cccr_change_proc->proc_fops = &proc_cccr_change_params_operations;
+	}
+#endif
 	kernel_thread(apm_thread, NULL, CLONE_FS | CLONE_FILES | CLONE_SIGHAND | SIGCHLD);
   	
 #if defined(CONFIG_SABINAL_DISCOVERY) || defined(CONFIG_ARCH_PXA_TOSA)
diff -Nur c3000_org/linux/arch/arm/mach-pxa/sharpsl_suspend.S c3000_work/linux/arch/arm/mach-pxa/sharpsl_suspend.S
--- c3000_org/linux/arch/arm/mach-pxa/sharpsl_suspend.S	2004-11-09 14:30:36.000000000 +0900
+++ c3000_work/linux/arch/arm/mach-pxa/sharpsl_suspend.S	2005-02-21 21:41:40.000000000 +0900
@@ -64,7 +64,7 @@
 
 sleep_param:	.word	0		@ virtual address of parameter array
 sleep_param_p:	.word	0		@ physical address of parameter array
-
+	
 IC_BASE:        .word   io_p2v(0x40D00000)
 	
 
@@ -1109,6 +1109,9 @@
 
 #else	/* CONFIG_CPU_PXA27X */
 
+#if defined(CONFIG_SL_CCCR_CHANGE)
+	.global		CCCR_ValAdr_high
+#endif
 CCCR_ValAdr_high:	.word	0x02000210
 MSC0_ValAdr_high:	.word	0x7ff02DD8
 MSC1_ValAdr_high:	.word	0x7ff434D4
@@ -1305,8 +1308,12 @@
  	stmfd	sp!, {r0, r1, r2, r3, r4, lr}
 
  	ldr		r0, CMR_BASE
+#if defined(CONFIG_SL_CCCR_CHANGE)
+	ldr		r1, CCCR_ValAdr_high
+#else
 	ldr		r1, CCCR_ValAdr_208
- 	str		r1, [r0, #CMR_CCCR]
+#endif
+	str		r1, [r0, #CMR_CCCR]
 
  	ldr		r0, MD_BASE
 	ldr		r4, MDREFR_ValAdr_208
@@ -1333,7 +1340,7 @@
 			
  	.align 5
  	.text
-
+	
 ENTRY(pxa27x_get_ccnt)
 	mrc		p14, 0, r0, c1, c1, 0
 	mov		pc, lr                          @ return