s5pc110: Initialize Async Bridge Registers (EVT1 LSI Guide)

diff --git a/board/samsung/universal/lowlevel_init.S b/board/samsung/universal/lowlevel_init.S
index fc3745d..151defc 100644 (file)
--- a/board/samsung/universal/lowlevel_init.S
+++ b/board/samsung/universal/lowlevel_init.S
@@ -48,6 +48,80 @@ _TEXT_BASE:
 lowlevel_init:
        mov     r11, lr
 
+       /*
+        * Initialize Async Register Setting for EVT1
+        * Because we are setting EVT1 as the default value of EVT0,
+        * setting EVT0 as well does not make things worse.
+        * Thus, for the simplicity, we set for EVT0, too
+        *
+        * The "Async Registers" are:
+        *      0xE0F0_0000
+        *      0xE1F0_0000
+        *      0xF180_0000
+        *      0xF190_0000
+        *      0xF1A0_0000
+        *      0xF1B0_0000
+        *      0xF1C0_0000
+        *      0xF1D0_0000
+        *      0xF1E0_0000
+        *      0xF1F0_0000
+        *      0xFAF0_0000
+        */
+       ldr     r0, =0xe0f00000
+       ldr     r1, [r0]
+       bic     r1, r1, #0x1
+       str     r1, [r0]
+
+       ldr     r0, =0xe1f00000
+       ldr     r1, [r0]
+       bic     r1, r1, #0x1
+       str     r1, [r0]
+
+       ldr     r0, =0xf1800000
+       ldr     r1, [r0]
+       bic     r1, r1, #0x1
+       str     r1, [r0]
+
+       ldr     r0, =0xf1900000
+       ldr     r1, [r0]
+       bic     r1, r1, #0x1
+       str     r1, [r0]
+
+       ldr     r0, =0xf1a00000
+       ldr     r1, [r0]
+       bic     r1, r1, #0x1
+       str     r1, [r0]
+
+       ldr     r0, =0xf1b00000
+       ldr     r1, [r0]
+       bic     r1, r1, #0x1
+       str     r1, [r0]
+
+       ldr     r0, =0xf1c00000
+       ldr     r1, [r0]
+       bic     r1, r1, #0x1
+       str     r1, [r0]
+
+       ldr     r0, =0xf1d00000
+       ldr     r1, [r0]
+       bic     r1, r1, #0x1
+       str     r1, [r0]
+
+       ldr     r0, =0xf1e00000
+       ldr     r1, [r0]
+       bic     r1, r1, #0x1
+       str     r1, [r0]
+
+       ldr     r0, =0xf1f00000
+       ldr     r1, [r0]
+       bic     r1, r1, #0x1
+       str     r1, [r0]
+
+       ldr     r0, =0xfaf00000
+       ldr     r1, [r0]
+       bic     r1, r1, #0x1
+       str     r1, [r0]
+
        /* r5 has always zero */
        mov     r5, #0