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Diffstat (limited to 'arch/arm/mach-pxa/generic.c')
-rw-r--r--arch/arm/mach-pxa/generic.c85
1 files changed, 37 insertions, 48 deletions
diff --git a/arch/arm/mach-pxa/generic.c b/arch/arm/mach-pxa/generic.c
index ca053226fba..42254175fcf 100644
--- a/arch/arm/mach-pxa/generic.c
+++ b/arch/arm/mach-pxa/generic.c
@@ -16,19 +16,46 @@
* initialization stuff for PXA machines which can be overridden later if
* need be.
*/
+#include <linux/gpio.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
-#include <asm/hardware.h>
-#include <asm/system.h>
-#include <asm/pgtable.h>
+#include <mach/hardware.h>
#include <asm/mach/map.h>
+#include <asm/mach-types.h>
-#include <asm/arch/pxa-regs.h>
+#include <mach/reset.h>
+#include <mach/smemc.h>
+#include <mach/pxa3xx-regs.h>
#include "generic.h"
+void clear_reset_status(unsigned int mask)
+{
+ if (cpu_is_pxa2xx())
+ pxa2xx_clear_reset_status(mask);
+ else {
+ /* RESET_STATUS_* has a 1:1 mapping with ARSR */
+ ARSR = mask;
+ }
+}
+
+unsigned long get_clock_tick_rate(void)
+{
+ unsigned long clock_tick_rate;
+
+ if (cpu_is_pxa25x())
+ clock_tick_rate = 3686400;
+ else if (machine_is_mainstone())
+ clock_tick_rate = 3249600;
+ else
+ clock_tick_rate = 3250000;
+
+ return clock_tick_rate;
+}
+EXPORT_SYMBOL(get_clock_tick_rate);
+
/*
* Get the clock frequency as reflected by CCCR and the turbo flag.
* We assume these values have been applied via a fcs.
@@ -36,63 +63,26 @@
*/
unsigned int get_clk_frequency_khz(int info)
{
- if (cpu_is_pxa21x() || cpu_is_pxa25x())
+ if (cpu_is_pxa25x())
return pxa25x_get_clk_frequency_khz(info);
else if (cpu_is_pxa27x())
return pxa27x_get_clk_frequency_khz(info);
- else
- return pxa3xx_get_clk_frequency_khz(info);
+ return 0;
}
EXPORT_SYMBOL(get_clk_frequency_khz);
/*
- * Return the current memory clock frequency in units of 10kHz
- */
-unsigned int get_memclk_frequency_10khz(void)
-{
- if (cpu_is_pxa21x() || cpu_is_pxa25x())
- return pxa25x_get_memclk_frequency_10khz();
- else if (cpu_is_pxa27x())
- return pxa27x_get_memclk_frequency_10khz();
- else
- return pxa3xx_get_memclk_frequency_10khz();
-}
-EXPORT_SYMBOL(get_memclk_frequency_10khz);
-
-/*
* Intel PXA2xx internal register mapping.
*
- * Note 1: not all PXA2xx variants implement all those addresses.
- *
- * Note 2: virtual 0xfffe0000-0xffffffff is reserved for the vector table
- * and cache flush area.
+ * Note: virtual 0xfffe0000-0xffffffff is reserved for the vector table
+ * and cache flush area.
*/
-static struct map_desc standard_io_desc[] __initdata = {
+static struct map_desc common_io_desc[] __initdata = {
{ /* Devs */
.virtual = 0xf2000000,
.pfn = __phys_to_pfn(0x40000000),
.length = 0x02000000,
.type = MT_DEVICE
- }, { /* Mem Ctl */
- .virtual = 0xf6000000,
- .pfn = __phys_to_pfn(0x48000000),
- .length = 0x00200000,
- .type = MT_DEVICE
- }, { /* USB host */
- .virtual = 0xf8000000,
- .pfn = __phys_to_pfn(0x4c000000),
- .length = 0x00100000,
- .type = MT_DEVICE
- }, { /* Camera */
- .virtual = 0xfa000000,
- .pfn = __phys_to_pfn(0x50000000),
- .length = 0x00100000,
- .type = MT_DEVICE
- }, { /* IMem ctl */
- .virtual = 0xfe000000,
- .pfn = __phys_to_pfn(0x58000000),
- .length = 0x00100000,
- .type = MT_DEVICE
}, { /* UNCACHED_PHYS_0 */
.virtual = 0xff000000,
.pfn = __phys_to_pfn(0x00000000),
@@ -103,6 +93,5 @@ static struct map_desc standard_io_desc[] __initdata = {
void __init pxa_map_io(void)
{
- iotable_init(standard_io_desc, ARRAY_SIZE(standard_io_desc));
- get_clk_frequency_khz(1);
+ iotable_init(ARRAY_AND_SIZE(common_io_desc));
}