ARM: pxa: Introduce pxa{25x,27x,3xx}_map_io()

This patch introduces pxa2xx_map_io() and pxa3xx_map_io() to distinguish
between PXA25x/PXA27x and PXA3xx memory mapping.

Also, fixup for platforms broken after introducing pxa{25x,27x}_map_io()
and pxa3xx_map_io() is included.

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>

1 files changed, 4 insertions, 17 deletions

diff --git a/arch/arm/mach-pxa/generic.c b/arch/arm/mach-pxa/generic.c
index 69a89fe4ce8d..6a5f37935378 100644
--- a/arch/arm/mach-pxa/generic.c
+++ b/arch/arm/mach-pxa/generic.c
@@ -86,27 +86,15 @@ 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
-        }, {    /* IMem ctl */
-                .virtual        =  0xfe000000,
-                .pfn            = __phys_to_pfn(0x58000000),
-                .length         = 0x00100000,
-                .type           = MT_DEVICE
         }, {    /* UNCACHED_PHYS_0 */
                 .virtual        = 0xff000000,
                 .pfn            = __phys_to_pfn(0x00000000),
@@ -117,6 +105,5 @@ 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));
 }