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Diffstat (limited to 'arch/arm/mach-pxa/generic.c')
-rw-r--r--arch/arm/mach-pxa/generic.c87
1 files changed, 12 insertions, 75 deletions
diff --git a/arch/arm/mach-pxa/generic.c b/arch/arm/mach-pxa/generic.c
index 3126a35aa00..42254175fcf 100644
--- a/arch/arm/mach-pxa/generic.c
+++ b/arch/arm/mach-pxa/generic.c
@@ -16,19 +16,18 @@
* 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 <mach/hardware.h>
-#include <asm/system.h>
-#include <asm/pgtable.h>
#include <asm/mach/map.h>
#include <asm/mach-types.h>
#include <mach/reset.h>
-#include <mach/gpio.h>
-#include <mach/pxa2xx-gpio.h>
+#include <mach/smemc.h>
+#include <mach/pxa3xx-regs.h>
#include "generic.h"
@@ -36,9 +35,10 @@ void clear_reset_status(unsigned int mask)
{
if (cpu_is_pxa2xx())
pxa2xx_clear_reset_status(mask);
-
- if (cpu_is_pxa3xx())
- pxa3xx_clear_reset_status(mask);
+ else {
+ /* RESET_STATUS_* has a 1:1 mapping with ARSR */
+ ARSR = mask;
+ }
}
unsigned long get_clock_tick_rate(void)
@@ -67,54 +67,22 @@ unsigned int get_clk_frequency_khz(int info)
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_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
- }, { /* 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),
@@ -125,36 +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);
-}
-
-/*
- * Configure pins for GPIO or other functions
- */
-int pxa_gpio_mode(int gpio_mode)
-{
- unsigned long flags;
- int gpio = gpio_mode & GPIO_MD_MASK_NR;
- int fn = (gpio_mode & GPIO_MD_MASK_FN) >> 8;
- int gafr;
-
- if (gpio > pxa_last_gpio)
- return -EINVAL;
-
- local_irq_save(flags);
- if (gpio_mode & GPIO_DFLT_LOW)
- GPCR(gpio) = GPIO_bit(gpio);
- else if (gpio_mode & GPIO_DFLT_HIGH)
- GPSR(gpio) = GPIO_bit(gpio);
- if (gpio_mode & GPIO_MD_MASK_DIR)
- GPDR(gpio) |= GPIO_bit(gpio);
- else
- GPDR(gpio) &= ~GPIO_bit(gpio);
- gafr = GAFR(gpio) & ~(0x3 << (((gpio) & 0xf)*2));
- GAFR(gpio) = gafr | (fn << (((gpio) & 0xf)*2));
- local_irq_restore(flags);
-
- return 0;
+ iotable_init(ARRAY_AND_SIZE(common_io_desc));
}
-EXPORT_SYMBOL(pxa_gpio_mode);