Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

[pandora-kernel.git] / arch / arm / mach-s3c2410 / mach-h1940.c

diff --git a/arch/arm/mach-s3c2410/mach-h1940.c b/arch/arm/mach-s3c2410/mach-h1940.c
index 1c316f1..8c895c0 100644 (file)
--- a/arch/arm/mach-s3c2410/mach-h1940.c
+++ b/arch/arm/mach-s3c2410/mach-h1940.c
@@ -9,23 +9,6 @@
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  *
- * Modifications:
- *     16-May-2003 BJD  Created initial version
- *     16-Aug-2003 BJD  Fixed header files and copyright, added URL
- *     05-Sep-2003 BJD  Moved to v2.6 kernel
- *     06-Jan-2003 BJD  Updates for <arch/map.h>
- *     18-Jan-2003 BJD  Added serial port configuration
- *     17-Feb-2003 BJD  Copied to mach-ipaq.c
- *     21-Aug-2004 BJD  Added struct s3c2410_board
- *     04-Sep-2004 BJD  Changed uart init, renamed ipaq_ -> h1940_
- *     18-Oct-2004 BJD  Updated new board structure name
- *     04-Nov-2004 BJD  Change for new serial clock
- *     04-Jan-2005 BJD  Updated uart init call
- *     10-Jan-2005 BJD  Removed include of s3c2410.h
- *     14-Jan-2005 BJD  Added clock init
- *     10-Mar-2005 LCVR Changed S3C2410_VA to S3C24XX_VA
- *     20-Sep-2005 BJD  Added static to non-exported items
- *     26-Oct-2005 BJD  Changed name of fb init call
 */
 
 #include <linux/kernel.h>
@@ -46,10 +29,11 @@
 #include <asm/irq.h>
 #include <asm/mach-types.h>
 
-//#include <asm/debug-ll.h>
+
 #include <asm/arch/regs-serial.h>
 #include <asm/arch/regs-lcd.h>
 
+#include <asm/arch/h1940-latch.h>
 #include <asm/arch/fb.h>
 
 #include <linux/serial_core.h>
@@ -59,14 +43,19 @@
 #include "cpu.h"
 
 static struct map_desc h1940_iodesc[] __initdata = {
-       /* nothing here yet */
+       [0] = {
+               .virtual        = (unsigned long)H1940_LATCH,
+               .pfn            = __phys_to_pfn(H1940_PA_LATCH),
+               .length         = SZ_16K,
+               .type           = MT_DEVICE
+       },
 };
 
 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
 
-static struct s3c2410_uartcfg h1940_uartcfgs[] = {
+static struct s3c2410_uartcfg h1940_uartcfgs[] __initdata = {
        [0] = {
                .hwport      = 0,
                .flags       = 0,
@@ -92,6 +81,25 @@ static struct s3c2410_uartcfg h1940_uartcfgs[] = {
        }
 };
 
+/* Board control latch control */
+
+static unsigned int latch_state = H1940_LATCH_DEFAULT;
+
+void h1940_latch_control(unsigned int clear, unsigned int set)
+{
+       unsigned long flags;
+
+       local_irq_save(flags);
+
+       latch_state &= ~clear;
+       latch_state |= set;
+
+       __raw_writel(latch_state, H1940_LATCH);
+
+       local_irq_restore(flags);
+}
+
+EXPORT_SYMBOL_GPL(h1940_latch_control);
 
 
 /**