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authorTony Lindgren <tony@atomide.com>2011-02-04 15:03:24 -0500
committerRussell King <rmk+kernel@arm.linux.org.uk>2011-02-17 18:27:31 -0500
commit5b7de4547b388d3949620e21d072e35b6f2638fa (patch)
treeb08ff8f1c45b1c6bad6405dc06e6f028fcf1eeea /arch/arm/mach-omap1/include/mach/debug-macro.S
parent72a20e22f49e2dad3180c23980a9df1c63faab0a (diff)
ARM: 6651/1: omap: Fix DEBUG_LL code for p2v changes
These are needed for CONFIG_ARM_PATCH_PHYS_VIRT to work. Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-omap1/include/mach/debug-macro.S')
-rw-r--r--arch/arm/mach-omap1/include/mach/debug-macro.S9
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/arm/mach-omap1/include/mach/debug-macro.S b/arch/arm/mach-omap1/include/mach/debug-macro.S
index 6a0fa0462365..62856044eb63 100644
--- a/arch/arm/mach-omap1/include/mach/debug-macro.S
+++ b/arch/arm/mach-omap1/include/mach/debug-macro.S
@@ -17,6 +17,9 @@
17 17
18#include <plat/serial.h> 18#include <plat/serial.h>
19 19
20#define omap_uart_v2p(x) ((x) - PAGE_OFFSET + PLAT_PHYS_OFFSET)
21#define omap_uart_p2v(x) ((x) - PLAT_PHYS_OFFSET + PAGE_OFFSET)
22
20 .pushsection .data 23 .pushsection .data
21omap_uart_phys: .word 0x0 24omap_uart_phys: .word 0x0
22omap_uart_virt: .word 0x0 25omap_uart_virt: .word 0x0
@@ -33,7 +36,7 @@ omap_uart_virt: .word 0x0
33 /* Use omap_uart_phys/virt if already configured */ 36 /* Use omap_uart_phys/virt if already configured */
349: mrc p15, 0, \rp, c1, c0 379: mrc p15, 0, \rp, c1, c0
35 tst \rp, #1 @ MMU enabled? 38 tst \rp, #1 @ MMU enabled?
36 ldreq \rp, =__virt_to_phys(omap_uart_phys) @ MMU not enabled 39 ldreq \rp, =omap_uart_v2p(omap_uart_phys) @ MMU disabled
37 ldrne \rp, =omap_uart_phys @ MMU enabled 40 ldrne \rp, =omap_uart_phys @ MMU enabled
38 add \rv, \rp, #4 @ omap_uart_virt 41 add \rv, \rp, #4 @ omap_uart_virt
39 ldr \rp, [\rp, #0] 42 ldr \rp, [\rp, #0]
@@ -46,7 +49,7 @@ omap_uart_virt: .word 0x0
46 mrc p15, 0, \rp, c1, c0 49 mrc p15, 0, \rp, c1, c0
47 tst \rp, #1 @ MMU enabled? 50 tst \rp, #1 @ MMU enabled?
48 ldreq \rp, =OMAP_UART_INFO @ MMU not enabled 51 ldreq \rp, =OMAP_UART_INFO @ MMU not enabled
49 ldrne \rp, =__phys_to_virt(OMAP_UART_INFO) @ MMU enabled 52 ldrne \rp, =omap_uart_p2v(OMAP_UART_INFO) @ MMU enabled
50 ldr \rp, [\rp, #0] 53 ldr \rp, [\rp, #0]
51 54
52 /* Select the UART to use based on the UART1 scratchpad value */ 55 /* Select the UART to use based on the UART1 scratchpad value */
@@ -73,7 +76,7 @@ omap_uart_virt: .word 0x0
7398: add \rp, \rp, #0xff000000 @ phys base 7698: add \rp, \rp, #0xff000000 @ phys base
74 mrc p15, 0, \rv, c1, c0 77 mrc p15, 0, \rv, c1, c0
75 tst \rv, #1 @ MMU enabled? 78 tst \rv, #1 @ MMU enabled?
76 ldreq \rv, =__virt_to_phys(omap_uart_phys) @ MMU not enabled 79 ldreq \rv, =omap_uart_v2p(omap_uart_phys) @ MMU disabled
77 ldrne \rv, =omap_uart_phys @ MMU enabled 80 ldrne \rv, =omap_uart_phys @ MMU enabled
78 str \rp, [\rv, #0] 81 str \rp, [\rv, #0]
79 sub \rp, \rp, #0xff000000 @ phys base 82 sub \rp, \rp, #0xff000000 @ phys base