s5pc100: universal: DMA support

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

diff --git a/board/samsung/universal/lowlevel_init.S b/board/samsung/universal/lowlevel_init.S
index 4dd5b60..78632ab 100644 (file)
--- a/board/samsung/universal/lowlevel_init.S
+++ b/board/samsung/universal/lowlevel_init.S
@@ -115,6 +115,9 @@ lowlevel_init:
 
        /* for UART */
        bl uart_asm_init
+
+       /* for DMA */
+       bl dma_asm_init
 #endif
 
        /* Memory subsystem address 0xe0200200 */
@@ -295,4 +298,27 @@ uart_asm_init:
        str     r1, [r0]
 
        mov     pc, lr
+
+/*
+ * dma_asm_init: Initialize DMA
+ */
+dma_asm_init:
+       ldr     r0, =0xE3800000
+       mov     r1, #0x0
+       str     r1, [r0]
+       mov     r1, #0xff
+       str     r1, [r0, #0x804]
+       str     r1, [r0, #0x810]
+
+       ldr     r0, =0xE2800000
+       str     r1, [r0, #0x804]
+       str     r1, [r0, #0x810]
+       str     r1, [r0, #0x81C]
+
+       ldr     r0, =0xE2900000
+       str     r1, [r0, #0x804]
+       str     r1, [r0, #0x810]
+
+       mov     pc, lr
+
 #endif