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| author | Nicolas Pitre <nicolas.pitre@linaro.org> | 2011-09-01 20:32:21 -0400 |
|---|---|---|
| committer | Nicolas Pitre <nico@fluxnic.net> | 2011-09-26 10:11:27 -0400 |
| commit | e020fe34f8fc5cb42c2f518ea120005b4d01923d (patch) | |
| tree | bd24cc2095fa77cb7d5a89abebf8a089250cd2af /arch/arm/mach-davinci/include/mach/debug-macro.S | |
| parent | fa808a1ba5f9d40ad47c31f63691b1ded03a46f8 (diff) | |
| download | blackbird-obmc-linux-e020fe34f8fc5cb42c2f518ea120005b4d01923d.tar.gz blackbird-obmc-linux-e020fe34f8fc5cb42c2f518ea120005b4d01923d.zip | |
ARM: mach-davinci: make DAVINCI_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>
Reviewed-by: Kevin Hilman <khilman@ti.com>
Tested-by: Kevin Hilman <khilman@ti.com>
Diffstat (limited to 'arch/arm/mach-davinci/include/mach/debug-macro.S')
| -rw-r--r-- | arch/arm/mach-davinci/include/mach/debug-macro.S | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/arch/arm/mach-davinci/include/mach/debug-macro.S b/arch/arm/mach-davinci/include/mach/debug-macro.S index 3cf4c1b4f33a..45fff2c61f48 100644 --- a/arch/arm/mach-davinci/include/mach/debug-macro.S +++ b/arch/arm/mach-davinci/include/mach/debug-macro.S @@ -50,21 +50,20 @@ davinci_uart_virt: .word 0 mrc p15, 0, \rp, c1, c0 tst \rp, #1 @ MMU enabled? - /* Copy uart phys address from decompressor uart info */ + and \rp, pc, #0xff000000 + ldr \rv, =DAVINCI_UART_INFO_OFS + add \rp, \rp, \rv + ldreq \rv, =davinci_uart_v2p(davinci_uart_phys) ldrne \rv, =davinci_uart_phys - ldreq \rp, =DAVINCI_UART_INFO - ldrne \rp, =davinci_uart_p2v(DAVINCI_UART_INFO) - ldr \rp, [\rp, #0] - str \rp, [\rv] + + /* Copy uart phys address from decompressor uart info */ + ldr \tmp, [\rp, #0] + str \tmp, [\rv, #0] /* Copy uart virt address from decompressor uart info */ - ldreq \rv, =davinci_uart_v2p(davinci_uart_virt) - ldrne \rv, =davinci_uart_virt - ldreq \rp, =DAVINCI_UART_INFO - ldrne \rp, =davinci_uart_p2v(DAVINCI_UART_INFO) - ldr \rp, [\rp, #4] - str \rp, [\rv] + ldr \tmp, [\rp, #4] + str \tmp, [\rv, #4] b 10b 99: |
