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Diffstat (limited to 'arch/arm/mach-omap2/include/mach')
-rw-r--r--arch/arm/mach-omap2/include/mach/debug-macro.S29
1 files changed, 21 insertions, 8 deletions
diff --git a/arch/arm/mach-omap2/include/mach/debug-macro.S b/arch/arm/mach-omap2/include/mach/debug-macro.S
index 35b24409a0c..09331bbbda5 100644
--- a/arch/arm/mach-omap2/include/mach/debug-macro.S
+++ b/arch/arm/mach-omap2/include/mach/debug-macro.S
@@ -36,7 +36,7 @@ omap_uart_lsr: .word 0
/* Use omap_uart_phys/virt if already configured */
10: mrc p15, 0, \rx, c1, c0
tst \rx, #1 @ MMU enabled?
- ldreq \rx, =omap_uart_phys @ physical base address
+ ldreq \rx, =__virt_to_phys(omap_uart_phys) @ physical base address
ldrne \rx, =omap_uart_virt @ virtual base address
ldr \rx, [\rx, #0]
cmp \rx, #0 @ is port configured?
@@ -89,26 +89,36 @@ omap_uart_lsr: .word 0
44: mov \rx, #UART_OFFSET(OMAP4_UART4_BASE)
b 98f
95: ldr \rx, =ZOOM_UART_BASE
- ldr \tmp, =omap_uart_phys
+ mrc p15, 0, \tmp, c1, c0
+ tst \tmp, #1 @ MMU enabled?
+ ldreq \tmp, =__virt_to_phys(omap_uart_phys)
+ ldrne \tmp, =omap_uart_phys
str \rx, [\tmp, #0]
ldr \rx, =ZOOM_UART_VIRT
- ldr \tmp, =omap_uart_virt
+ ldreq \tmp, =__virt_to_phys(omap_uart_virt)
+ ldrne \tmp, =omap_uart_virt
str \rx, [\tmp, #0]
mov \rx, #(UART_LSR << ZOOM_PORT_SHIFT)
- ldr \tmp, =omap_uart_lsr
+ ldreq \tmp, =__virt_to_phys(omap_uart_lsr)
+ ldrne \tmp, =omap_uart_lsr
str \rx, [\tmp, #0]
b 10b
/* Store both phys and virt address for the uart */
98: add \rx, \rx, #0x48000000 @ phys base
- ldr \tmp, =omap_uart_phys
+ mrc p15, 0, \tmp, c1, c0
+ tst \tmp, #1 @ MMU enabled?
+ ldreq \tmp, =__virt_to_phys(omap_uart_phys)
+ ldrne \tmp, =omap_uart_phys
str \rx, [\tmp, #0]
sub \rx, \rx, #0x48000000 @ phys base
add \rx, \rx, #0xfa000000 @ virt base
- ldr \tmp, =omap_uart_virt
+ ldreq \tmp, =__virt_to_phys(omap_uart_virt)
+ ldrne \tmp, =omap_uart_virt
str \rx, [\tmp, #0]
mov \rx, #(UART_LSR << OMAP_PORT_SHIFT)
- ldr \tmp, =omap_uart_lsr
+ ldreq \tmp, =__virt_to_phys(omap_uart_lsr)
+ ldrne \tmp, =omap_uart_lsr
str \rx, [\tmp, #0]
b 10b
@@ -120,7 +130,10 @@ omap_uart_lsr: .word 0
.endm
.macro busyuart,rd,rx
-1001: ldr \rd, =omap_uart_lsr
+1001: mrc p15, 0, \rd, c1, c0
+ tst \rd, #1 @ MMU enabled?
+ ldreq \rd, =__virt_to_phys(omap_uart_lsr)
+ ldrne \rd, =omap_uart_lsr
ldr \rd, [\rd, #0]
ldrb \rd, [\rx, \rd]
and \rd, \rd, #(UART_LSR_TEMT | UART_LSR_THRE)