xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ARM: mach-davinci: make DAVINCI_UART_INFO into a relative offset

Browse Source 
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>
This commit is contained in:
Nicolas Pitre
2011-09-01 20:32:21 -04:00
committed by Nicolas Pitre
parent fa808a1ba5
commit e020fe34f8
3 changed files with 18 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
arch/arm/mach-davinci/include/mach/debug-macro.S
View File

@@ -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: