ARM: S3C24XX: trim down debug uart handling

Using the lowlevel debug uart is a corner case - even more so in a
multiplatform environment. So it seems reasonable to simply let the
developer set the appropriate uart type for the debugged SoC.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

arch/arm/mach-s3c24xx/include/mach/debug-macro.S

@@ -13,11 +13,9 @@
 */
 
 #include <mach/map.h>
-#include <mach/regs-gpio.h>
 #include <linux/serial_s3c.h>
 
 #define S3C2410_UART1_OFF (0x4000)
-#define SHIFT_2440TXF (14-9)
 
 	.macro addruart, rp, rv, tmp
 		ldr	\rp, = S3C24XX_PA_UART
@@ -28,56 +26,11 @@
 #endif
 	.endm
 
-	.macro fifo_full_s3c24xx rd, rx
-		@ check for arm920 vs arm926. currently assume all arm926
-		@ devices have an 64 byte FIFO identical to the s3c2440
-		mrc	p15, 0, \rd, c0, c0
-		and	\rd, \rd, #0xff0
-		teq	\rd, #0x260
-		beq	1004f
-		mrc	p15, 0, \rd, c1, c0
-		tst	\rd, #1
-		addeq	\rd, \rx, #(S3C24XX_PA_GPIO - S3C24XX_PA_UART)
-		addne	\rd, \rx, #(S3C24XX_VA_GPIO - S3C24XX_VA_UART)
-		bic	\rd, \rd, #0xff000
-		ldr	\rd, [\rd, # S3C2410_GSTATUS1 - S3C2410_GPIOREG(0)]
-		and	\rd, \rd, #0x00ff0000
-		teq	\rd, #0x00440000		@ is it 2440?
-1004:
-		ldr	\rd, [\rx, # S3C2410_UFSTAT]
-		moveq	\rd, \rd, lsr #SHIFT_2440TXF
-		tst	\rd, #S3C2410_UFSTAT_TXFULL
-	.endm
-
 	.macro  fifo_full_s3c2410 rd, rx
 		ldr	\rd, [\rx, # S3C2410_UFSTAT]
 		tst	\rd, #S3C2410_UFSTAT_TXFULL
 	.endm
 
-/* fifo level reading */
-
-	.macro fifo_level_s3c24xx rd, rx
-		@ check for arm920 vs arm926. currently assume all arm926
-		@ devices have an 64 byte FIFO identical to the s3c2440
-		mrc	p15, 0, \rd, c0, c0
-		and	\rd, \rd, #0xff0
-		teq	\rd, #0x260
-		beq	10000f
-		mrc	p15, 0, \rd, c1, c0
-		tst	\rd, #1
-		addeq	\rd, \rx, #(S3C24XX_PA_GPIO - S3C24XX_PA_UART)
-		addne	\rd, \rx, #(S3C24XX_VA_GPIO - S3C24XX_VA_UART)
-		bic	\rd, \rd, #0xff000
-		ldr	\rd, [\rd, # S3C2410_GSTATUS1 - S3C2410_GPIOREG(0)]
-		and	\rd, \rd, #0x00ff0000
-		teq	\rd, #0x00440000		@ is it 2440?
-
-10000:
-		ldr	\rd, [\rx, # S3C2410_UFSTAT]
-		andne	\rd, \rd, #S3C2410_UFSTAT_TXMASK
-		andeq	\rd, \rd, #S3C2440_UFSTAT_TXMASK
-	.endm
-
 	.macro fifo_level_s3c2410 rd, rx
 		ldr	\rd, [\rx, # S3C2410_UFSTAT]
 		and	\rd, \rd, #S3C2410_UFSTAT_TXMASK
@@ -88,12 +41,9 @@
  * used variants of these
 */
 
-#if defined(CONFIG_CPU_LLSERIAL_S3C2410_ONLY)
+#if defined(CONFIG_DEBUG_S3C2410_UART)
 #define fifo_full  fifo_full_s3c2410
 #define fifo_level fifo_level_s3c2410
-#elif !defined(CONFIG_CPU_LLSERIAL_S3C2440_ONLY)
-#define fifo_full  fifo_full_s3c24xx
-#define fifo_level fifo_level_s3c24xx
 #endif
 
 /* include the reset of the code which will do the work */