linux 2.6.16.38 w/ vs2.0.3-rc1

[linux-2.6.git] / include / asm-arm / arch-versatile / system.h

diff --git a/include/asm-arm/arch-versatile/system.h b/include/asm-arm/arch-versatile/system.h
index 71c6254..8889a18 100644 (file)
--- a/include/asm-arm/arch-versatile/system.h
+++ b/include/asm-arm/arch-versatile/system.h
@@ -36,14 +36,16 @@ static inline void arch_idle(void)
 
 static inline void arch_reset(char mode)
 {
-       u32 val;
+       unsigned int hdr_ctrl = (IO_ADDRESS(VERSATILE_SYS_BASE) + VERSATILE_SYS_RESETCTL_OFFSET);
+       unsigned int val;
 
-       val = __raw_readl(IO_ADDRESS(VERSATILE_SYS_RESETCTL)) & ~0x7;
-       val |= 0x105;
-
-       __raw_writel(0xa05f, IO_ADDRESS(VERSATILE_SYS_LOCK));
-       __raw_writel(val, IO_ADDRESS(VERSATILE_SYS_RESETCTL));
-       __raw_writel(0, IO_ADDRESS(VERSATILE_SYS_LOCK));
+       /*
+        * To reset, we hit the on-board reset register
+        * in the system FPGA
+        */
+       val = __raw_readl(hdr_ctrl);
+       val |= VERSATILE_SYS_CTRL_RESET_CONFIGCLR;
+       __raw_writel(val, hdr_ctrl);
 }
 
 #endif