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authorLinus Torvalds <torvalds@linux-foundation.org>2011-01-06 16:50:35 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-06 16:50:35 -0800
commit3c0cb7c31c206aaedb967e44b98442bbeb17a6c4 (patch)
tree3ecba45d7ffae4fba4a5aafaef4af5b0b1105bde /arch/arm/mach-pxa/generic.c
parentf70f5b9dc74ca7d0a64c4ead3fb28da09dc1b234 (diff)
parent404a02cbd2ae8bf256a2fa1169bdfe86bb5ebb34 (diff)
downloadblackbird-op-linux-3c0cb7c31c206aaedb967e44b98442bbeb17a6c4.tar.gz
blackbird-op-linux-3c0cb7c31c206aaedb967e44b98442bbeb17a6c4.zip
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (416 commits) ARM: DMA: add support for DMA debugging ARM: PL011: add DMA burst threshold support for ST variants ARM: PL011: Add support for transmit DMA ARM: PL011: Ensure IRQs are disabled in UART interrupt handler ARM: PL011: Separate hardware FIFO size from TTY FIFO size ARM: PL011: Allow better handling of vendor data ARM: PL011: Ensure error flags are clear at startup ARM: PL011: include revision number in boot-time port printk ARM: vexpress: add sched_clock() for Versatile Express ARM i.MX53: Make MX53 EVK bootable ARM i.MX53: Some bug fix about MX53 MSL code ARM: 6607/1: sa1100: Update platform device registration ARM: 6606/1: sa1100: Fix platform device registration ARM i.MX51: rename IPU irqs ARM i.MX51: Add ipu clock support ARM: imx/mx27_3ds: Add PMIC support ARM: DMA: Replace page_to_dma()/dma_to_page() with pfn_to_dma()/dma_to_pfn() mx51: fix usb clock support MX51: Add support for usb host 2 arch/arm/plat-mxc/ehci.c: fix errors/typos ...
Diffstat (limited to 'arch/arm/mach-pxa/generic.c')
-rw-r--r--arch/arm/mach-pxa/generic.c48
1 files changed, 10 insertions, 38 deletions
diff --git a/arch/arm/mach-pxa/generic.c b/arch/arm/mach-pxa/generic.c
index 6451e9c3a93f..d6e15f71fc09 100644
--- a/arch/arm/mach-pxa/generic.c
+++ b/arch/arm/mach-pxa/generic.c
@@ -28,6 +28,8 @@
#include <mach/reset.h>
#include <mach/gpio.h>
+#include <mach/smemc.h>
+#include <mach/pxa3xx-regs.h>
#include "generic.h"
@@ -35,9 +37,10 @@ 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)
@@ -71,47 +74,17 @@ unsigned int get_clk_frequency_khz(int info)
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();
- return 0;
-}
-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),
@@ -122,6 +95,5 @@ 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));
}
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