Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-15 08:31:55 +00:00
Code Issues Packages Projects Releases Wiki Activity

ARM: EXYNOS: Fixup debug macros for big-endian

Browse Source 
The exynos low-level debug macros need to be fixed if the system is being
built big endian. Add the necessary endian swaps for accessing the registers
to get output working again

Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
This commit is contained in:
Ben Dooks 2016-06-21 11:20:22 +01:00 committed by Krzysztof Kozlowski
parent da81593a5a
commit 4fdfa8623d
1 changed files with 8 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
arch/arm/include/debug/samsung.S
View File

@ -15,11 +15,13 @@
.macro fifo_level_s5pv210 rd, rx
ldr \rd, [\rx, # S3C2410_UFSTAT]
ARM_BE8(rev \rd, \rd)
and \rd, \rd, #S5PV210_UFSTAT_TXMASK
.endm
.macro fifo_full_s5pv210 rd, rx
ldr \rd, [\rx, # S3C2410_UFSTAT]
ARM_BE8(rev \rd, \rd)
tst \rd, #S5PV210_UFSTAT_TXFULL
.endm
@ -28,6 +30,7 @@
.macro fifo_level_s3c2440 rd, rx
ldr \rd, [\rx, # S3C2410_UFSTAT]
ARM_BE8(rev \rd, \rd)
and \rd, \rd, #S3C2440_UFSTAT_TXMASK
.endm
@ -37,6 +40,7 @@
.macro fifo_full_s3c2440 rd, rx
ldr \rd, [\rx, # S3C2410_UFSTAT]
ARM_BE8(rev \rd, \rd)
tst \rd, #S3C2440_UFSTAT_TXFULL
.endm
@ -50,6 +54,7 @@
.macro busyuart, rd, rx
ldr \rd, [\rx, # S3C2410_UFCON]
ARM_BE8(rev \rd, \rd)
tst \rd, #S3C2410_UFCON_FIFOMODE @ fifo enabled?
beq 1001f @
@ FIFO enabled...
@ -61,6 +66,7 @@
1001:
@ busy waiting for non fifo
ldr \rd, [\rx, # S3C2410_UTRSTAT]
ARM_BE8(rev \rd, \rd)
tst \rd, #S3C2410_UTRSTAT_TXFE
beq 1001b
@ -69,6 +75,7 @@
.macro waituart,rd,rx
ldr \rd, [\rx, # S3C2410_UFCON]
ARM_BE8(rev \rd, \rd)
tst \rd, #S3C2410_UFCON_FIFOMODE @ fifo enabled?
beq 1001f @
@ FIFO enabled...
@ -80,6 +87,7 @@
1001:
@ idle waiting for non fifo
ldr \rd, [\rx, # S3C2410_UTRSTAT]
ARM_BE8(rev \rd, \rd)
tst \rd, #S3C2410_UTRSTAT_TXFE
beq 1001b