RealView: Move the UART definitions to EB specific files

Since the PB1176 has different UART base addresses, this patch moves
the definitions form platorm.h to board-eb.h. It also modifies
uncompress.h to detect the platform type at run-time.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

3 files changed, 28 insertions, 12 deletions

diff --git a/include/asm-arm/arch-realview/board-eb.h b/include/asm-arm/arch-realview/board-eb.h
index 142d77a72f39..565bb937ac86 100644
--- a/include/asm-arm/arch-realview/board-eb.h
+++ b/include/asm-arm/arch-realview/board-eb.h
@@ -26,6 +26,10 @@
 /*
  * RealView EB + ARM11MPCore peripheral addresses
  */
+#define REALVIEW_EB_UART0_BASE		0x10009000	/* UART 0 */
+#define REALVIEW_EB_UART1_BASE		0x1000A000	/* UART 1 */
+#define REALVIEW_EB_UART2_BASE		0x1000B000	/* UART 2 */
+#define REALVIEW_EB_UART3_BASE		0x1000C000	/* UART 3 */
 #define REALVIEW_EB_TIMER0_1_BASE	0x10011000	/* Timer 0 and 1 */
 #define REALVIEW_EB_TIMER2_3_BASE	0x10012000	/* Timer 2 and 3 */
 #define REALVIEW_EB_GIC_CPU_BASE	0x10040000	/* Generic interrupt controller CPU interface */
diff --git a/include/asm-arm/arch-realview/platform.h b/include/asm-arm/arch-realview/platform.h
index 7aa78a5ebc88..d18fb128ed9c 100644
--- a/include/asm-arm/arch-realview/platform.h
+++ b/include/asm-arm/arch-realview/platform.h
@@ -182,10 +182,6 @@
 #define REALVIEW_KMI0_BASE            0x10006000	/* KMI interface */
 #define REALVIEW_KMI1_BASE            0x10007000	/* KMI 2nd interface */
 #define REALVIEW_CHAR_LCD_BASE        0x10008000	/* Character LCD */
-#define REALVIEW_UART0_BASE           0x10009000	/* UART 0 */
-#define REALVIEW_UART1_BASE           0x1000A000	/* UART 1 */
-#define REALVIEW_UART2_BASE           0x1000B000	/* UART 2 */
-#define REALVIEW_UART3_BASE           0x1000C000	/* UART 3 */
 #define REALVIEW_SSP_BASE             0x1000D000	/* Synchronous Serial Port */
 #define REALVIEW_SCI_BASE             0x1000E000	/* Smart card controller */
 	/* Reserved 0x1000F000 */
diff --git a/include/asm-arm/arch-realview/uncompress.h b/include/asm-arm/arch-realview/uncompress.h
index 3d5c2db07a26..9b790a7e782d 100644
--- a/include/asm-arm/arch-realview/uncompress.h
+++ b/include/asm-arm/arch-realview/uncompress.h
@@ -18,28 +18,44 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 #include <asm/hardware.h>
+#include <asm/mach-types.h>
 
-#include <asm/arch/platform.h>
+#include <asm/arch/board-eb.h>
 
-#define AMBA_UART_DR	(*(volatile unsigned char *) (REALVIEW_UART0_BASE + 0x00))
-#define AMBA_UART_LCRH	(*(volatile unsigned char *) (REALVIEW_UART0_BASE + 0x2c))
-#define AMBA_UART_CR	(*(volatile unsigned char *) (REALVIEW_UART0_BASE + 0x30))
-#define AMBA_UART_FR	(*(volatile unsigned char *) (REALVIEW_UART0_BASE + 0x18))
+#define AMBA_UART_DR(base)	(*(volatile unsigned char *)((base) + 0x00))
+#define AMBA_UART_LCRH(base)	(*(volatile unsigned char *)((base) + 0x2c))
+#define AMBA_UART_CR(base)	(*(volatile unsigned char *)((base) + 0x30))
+#define AMBA_UART_FR(base)	(*(volatile unsigned char *)((base) + 0x18))
+
+/*
+ * Return the UART base address
+ */
+static inline unsigned long get_uart_base(void)
+{
+	if (machine_is_realview_eb())
+		return REALVIEW_EB_UART0_BASE;
+	else
+		return 0;
+}
 
 /*
  * This does not append a newline
  */
 static inline void putc(int c)
 {
-	while (AMBA_UART_FR & (1 << 5))
+	unsigned long base = get_uart_base();
+
+	while (AMBA_UART_FR(base) & (1 << 5))
 		barrier();
 
-	AMBA_UART_DR = c;
+	AMBA_UART_DR(base) = c;
 }
 
 static inline void flush(void)
 {
-	while (AMBA_UART_FR & (1 << 3))
+	unsigned long base = get_uart_base();
+
+	while (AMBA_UART_FR(base) & (1 << 3))
 		barrier();
 }