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authorNicolas Pitre <nicolas.pitre@linaro.org>2011-08-31 19:57:37 +0200
committerNicolas Pitre <nico@fluxnic.net>2011-09-26 16:11:25 +0200
commitdd185456efce7f326c058fc12fd0df17bd8466eb (patch)
tree78abc6ff08a905c25eda49b7f67e6790c6257f7c /arch/arm/mach-omap2/include
parentARM: add an extra temp register to the low level debugging addruart macro (diff)
downloadlinux-dd185456efce7f326c058fc12fd0df17bd8466eb.tar.xz
linux-dd185456efce7f326c058fc12fd0df17bd8466eb.zip
ARM: plat-omap: make OMAP_UART_INFO into a relative offset
This is the first step to remove PLAT_PHYS_OFFSET usage from the debug UART code. Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org> Tested-by: Tony Lindgren <tony@atomide.com> Reviewed-by: Kevin Hilman <khilman@ti.com>
Diffstat (limited to 'arch/arm/mach-omap2/include')
-rw-r--r--arch/arm/mach-omap2/include/mach/debug-macro.S9
1 files changed, 4 insertions, 5 deletions
diff --git a/arch/arm/mach-omap2/include/mach/debug-macro.S b/arch/arm/mach-omap2/include/mach/debug-macro.S
index fbd23ec81a20..745e2ff3e906 100644
--- a/arch/arm/mach-omap2/include/mach/debug-macro.S
+++ b/arch/arm/mach-omap2/include/mach/debug-macro.S
@@ -49,11 +49,10 @@ omap_uart_lsr: .word 0
bne 99f @ already configured
/* Check the debug UART configuration set in uncompress.h */
- mrc p15, 0, \rp, c1, c0
- tst \rp, #1 @ MMU enabled?
- ldreq \rp, =OMAP_UART_INFO @ MMU not enabled
- ldrne \rp, =omap_uart_p2v(OMAP_UART_INFO) @ MMU enabled
- ldr \rp, [\rp, #0]
+ mov \rp, pc
+ ldr \rv, =OMAP_UART_INFO_OFS
+ and \rp, \rp, #0xff000000
+ ldr \rp, [\rp, \rv]
/* Select the UART to use based on the UART1 scratchpad value */
cmp \rp, #0 @ no port configured?