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Diffstat (limited to 'arch/arm/mach-omap2/include/mach/debug-macro.S')
-rw-r--r--arch/arm/mach-omap2/include/mach/debug-macro.S15
1 files changed, 8 insertions, 7 deletions
diff --git a/arch/arm/mach-omap2/include/mach/debug-macro.S b/arch/arm/mach-omap2/include/mach/debug-macro.S
index 4a63a2ea484..35b24409a0c 100644
--- a/arch/arm/mach-omap2/include/mach/debug-macro.S
+++ b/arch/arm/mach-omap2/include/mach/debug-macro.S
@@ -13,6 +13,8 @@
#include <linux/serial_reg.h>
+#include <asm/memory.h>
+
#include <plat/serial.h>
#define UART_OFFSET(addr) ((addr) & 0x00ffffff)
@@ -40,13 +42,12 @@ omap_uart_lsr: .word 0
cmp \rx, #0 @ is port configured?
bne 99f @ already configured
- /* Check 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, #0x48000000 @ physical base address
- movne \rx, #0xfa000000 @ virtual base
- orr \rx, \rx, #0x0006a000 @ uart1 on omap2/3/4
- ldrb \rx, [\rx, #(UART_SCR << OMAP_PORT_SHIFT)] @ scratchpad
+ 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 */
cmp \rx, #0 @ no port configured?
@@ -87,10 +88,10 @@ omap_uart_lsr: .word 0
b 98f
44: mov \rx, #UART_OFFSET(OMAP4_UART4_BASE)
b 98f
-95: mov \rx, #ZOOM_UART_BASE
+95: ldr \rx, =ZOOM_UART_BASE
ldr \tmp, =omap_uart_phys
str \rx, [\tmp, #0]
- mov \rx, #ZOOM_UART_VIRT
+ ldr \rx, =ZOOM_UART_VIRT
ldr \tmp, =omap_uart_virt
str \rx, [\tmp, #0]
mov \rx, #(UART_LSR << ZOOM_PORT_SHIFT)