---

yaml --- r: 112326 b: refs/heads/master c: 92e88aa h: refs/heads/master v: v3
git-mirror · Oct 3, 2008 · a0171cc · a0171cc
1 parent 3398d86
commit a0171cc
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Showing 3 changed files with 30 additions and 7 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 7a1f3701183e2efb45e480517e29f6880e105f7b
+refs/heads/master: 92e88aa7fb8190031dca9e04acbf4821bd77941b
diff --git a/trunk/arch/arm/mach-ep93xx/Kconfig b/trunk/arch/arm/mach-ep93xx/Kconfig
@@ -88,6 +88,20 @@ config MACH_TS72XX
 	  Say 'Y' here if you want your kernel to support the
 	  Technologic Systems TS-72xx board.
 
+choice
+	prompt "Select a UART for early kernel messages"
+
+config EP93XX_EARLY_UART1
+	bool "UART1"
+
+config EP93XX_EARLY_UART2
+	bool "UART2"
+
+config EP93XX_EARLY_UART3
+	bool "UART3"
+
+endchoice
+
 endmenu
 
 endif
diff --git a/trunk/arch/arm/mach-ep93xx/include/mach/uncompress.h b/trunk/arch/arm/mach-ep93xx/include/mach/uncompress.h
@@ -31,22 +31,31 @@ static void __raw_writel(unsigned int value, unsigned int ptr)
 	*((volatile unsigned int *)ptr) = value;
 }
 
-
-#define PHYS_UART1_DATA		0x808c0000
-#define PHYS_UART1_FLAG		0x808c0018
-#define UART1_FLAG_TXFF		0x20
+#if defined(CONFIG_EP93XX_EARLY_UART1)
+#define UART_BASE		EP93XX_UART1_PHYS_BASE
+#elif defined(CONFIG_EP93XX_EARLY_UART2)
+#define UART_BASE		EP93XX_UART2_PHYS_BASE
+#elif defined(CONFIG_EP93XX_EARLY_UART3)
+#define UART_BASE		EP93XX_UART3_PHYS_BASE
+#else
+#define UART_BASE		EP93XX_UART1_PHYS_BASE
+#endif
+
+#define PHYS_UART_DATA		(UART_BASE + 0x00)
+#define PHYS_UART_FLAG		(UART_BASE + 0x18)
+#define UART_FLAG_TXFF		0x20
 
 static inline void putc(int c)
 {
 	int i;
 
 	for (i = 0; i < 1000; i++) {
 		/* Transmit fifo not full?  */
-		if (!(__raw_readb(PHYS_UART1_FLAG) & UART1_FLAG_TXFF))
+		if (!(__raw_readb(PHYS_UART_FLAG) & UART_FLAG_TXFF))
 			break;
 	}
 
-	__raw_writeb(c, PHYS_UART1_DATA);
+	__raw_writeb(c, PHYS_UART_DATA);
 }
 
 static inline void flush(void)