s5pc100: tickertape: code cleanup

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>

diff --git a/board/samsung/tickertape/lowlevel_init.S b/board/samsung/tickertape/lowlevel_init.S
index 7595fcf..6c62386 100644 (file)
--- a/board/samsung/tickertape/lowlevel_init.S
+++ b/board/samsung/tickertape/lowlevel_init.S
@@ -261,19 +261,19 @@ uart_asm_init:
        /* uart_sel GPK0[5] */
        ldr     r0, =S5P_GPIO_K0_CON
        ldr     r1, [r0]
-       bic     r1, r1, #0xf00000
-       orr     r1, r1, #0x100000
+       bic     r1, r1, #(0xf << 20)            @ 20 = 5 * 4-bit
+       orr     r1, r1, #(0x1 << 20)
        str     r1, [r0]
 
        ldr     r0, =S5P_GPIO_K0_PULL
        ldr     r1, [r0]
-       bic     r1, r1, #0xc00
-       orr     r1, r1, #0x800
+       bic     r1, r1, #(0x3 << 10)            @ 10 = 5 * 2-bit
+       orr     r1, r1, #(0x2 << 10)            @ Enables Pull-up
        str     r1, [r0]
 
        ldr     r0, =S5P_GPIO_K0_DAT
        ldr     r1, [r0]
-       orr     r1, r1, #0x20
+       orr     r1, r1, #(1 << 5)               @ 5 = 1 * 1-bit
        str     r1, [r0]
 
        mov     pc, lr