From: 黄涛 <huangtao@rock-chips.com>
Date: Mon, 14 Mar 2011 13:07:24 +0000 (+0800)
Subject: rk29: uncompress implement putc
X-Git-Tag: firefly_0821_release~10682
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=2f0da049b9382ac313164c362c79292fac7012cc;p=firefly-linux-kernel-4.4.55.git

rk29: uncompress implement putc
---

diff --git a/arch/arm/mach-rk29/include/mach/uncompress.h b/arch/arm/mach-rk29/include/mach/uncompress.h
index 8f09385be359..250c4e7caab2 100644
--- a/arch/arm/mach-rk29/include/mach/uncompress.h
+++ b/arch/arm/mach-rk29/include/mach/uncompress.h
@@ -15,10 +15,13 @@
 
 #ifndef __ASM_ARCH_RK29_UNCOMPRESS_H
 
-#include "hardware.h"
+#include <mach/rk29_iomap.h>
 
 static void putc(int c)
 {
+	while (!(*(volatile u32 *) (RK29_UART1_PHYS + 0x14) & (1 << 5)))
+		barrier();
+	*(volatile u32 *) (RK29_UART1_PHYS) = c;
 }
 
 static inline void flush(void)