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-rw-r--r--arch/arm/mach-omap1/include/mach/debug-macro.S21
1 files changed, 6 insertions, 15 deletions
diff --git a/arch/arm/mach-omap1/include/mach/debug-macro.S b/arch/arm/mach-omap1/include/mach/debug-macro.S
index b6d9584544b4..e8a8cf36b7f0 100644
--- a/arch/arm/mach-omap1/include/mach/debug-macro.S
+++ b/arch/arm/mach-omap1/include/mach/debug-macro.S
@@ -13,6 +13,8 @@
#include <linux/serial_reg.h>
+#include <asm/memory.h>
+
#include <plat/serial.h>
.pushsection .data
@@ -37,23 +39,12 @@ omap_uart_virt: .word 0x0
cmp \rx, #0 @ is port configured?
bne 99f @ already configured
- /* Check 7XX UART1 scratchpad register for uart to use */
+ /* Check the debug UART configuration set in uncompress.h */
mrc p15, 0, \rx, c1, c0
tst \rx, #1 @ MMU enabled?
- moveq \rx, #0xff000000 @ physical base address
- movne \rx, #0xfe000000 @ virtual base
- orr \rx, \rx, #0x00fb0000 @ OMAP1UART1
- ldrb \rx, [\rx, #(UART_SCR << OMAP7XX_PORT_SHIFT)]
- cmp \rx, #0 @ anything in 7XX scratchpad?
- bne 10f @ found 7XX uart
-
- /* Check 15xx/16xx UART1 scratchpad register for uart to use */
- mrc p15, 0, \rx, c1, c0
- tst \rx, #1 @ MMU enabled?
- moveq \rx, #0xff000000 @ physical base address
- movne \rx, #0xfe000000 @ virtual base
- orr \rx, \rx, #0x00fb0000 @ OMAP1UART1
- ldrb \rx, [\rx, #(UART_SCR << OMAP_PORT_SHIFT)]
+ ldreq \rx, =OMAP_UART_INFO
+ ldrne \rx, =__phys_to_virt(OMAP_UART_INFO)
+ ldr \rx, [\rx, #0]
/* Select the UART to use based on the UART1 scratchpad value */
10: cmp \rx, #0 @ no port configured?
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