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| author | Kukjin Kim <kgene.kim@samsung.com> | 2012-02-10 11:57:53 +0900 |
|---|---|---|
| committer | Kukjin Kim <kgene.kim@samsung.com> | 2012-03-14 02:13:05 -0700 |
| commit | 171c067c1a3f903fca78f2610794441a7d1e64f3 (patch) | |
| tree | 62ea5441364f1c2288f5855dbbc6828e9f7808cb /arch/arm/mach-exynos/include/mach/debug-macro.S | |
| parent | b67545fd9b5335c38c028e7984a1bef9e789c8dc (diff) | |
| download | blackbird-op-linux-171c067c1a3f903fca78f2610794441a7d1e64f3.tar.gz blackbird-op-linux-171c067c1a3f903fca78f2610794441a7d1e64f3.zip | |
ARM: EXYNOS: add support uart for EXYNOS4 and EXYNOS5
Actually, the base address of uart is different between EXYNOS4
and EXYNOS5 and this patch enables to support uart for EXYNOS4
and EXYNOS5 SoCs at runtime.
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Diffstat (limited to 'arch/arm/mach-exynos/include/mach/debug-macro.S')
| -rw-r--r-- | arch/arm/mach-exynos/include/mach/debug-macro.S | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/arm/mach-exynos/include/mach/debug-macro.S b/arch/arm/mach-exynos/include/mach/debug-macro.S index 6cacf16a67a6..6c857ff0b5d8 100644 --- a/arch/arm/mach-exynos/include/mach/debug-macro.S +++ b/arch/arm/mach-exynos/include/mach/debug-macro.S @@ -21,8 +21,13 @@ */ .macro addruart, rp, rv, tmp - ldr \rp, = S3C_PA_UART - ldr \rv, = S3C_VA_UART + mov \rp, #0x10000000 + ldr \rp, [\rp, #0x0] + and \rp, \rp, #0xf00000 + teq \rp, #0x500000 @@ EXYNOS5 + ldreq \rp, =EXYNOS5_PA_UART + movne \rp, #EXYNOS4_PA_UART @@ EXYNOS4 + ldr \rv, =S3C_VA_UART #if CONFIG_DEBUG_S3C_UART != 0 add \rp, \rp, #(0x10000 * CONFIG_DEBUG_S3C_UART) add \rv, \rv, #(0x10000 * CONFIG_DEBUG_S3C_UART) |
