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| author | Linus Walleij <linus.walleij@linaro.org> | 2014-07-10 10:42:05 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2014-07-10 10:46:42 +0200 |
| commit | 823e7546c4a2bd4c8edce6d8dc8544fd79287c55 (patch) | |
| tree | 45fd0c86296f399db3b233c4a3f987778b8ebff8 /arch/arm/mach-ux500/cache-l2x0.c | |
| parent | ARM: ux500: storage class should be before const qualifier (diff) | |
| download | linux-823e7546c4a2bd4c8edce6d8dc8544fd79287c55.tar.xz linux-823e7546c4a2bd4c8edce6d8dc8544fd79287c55.zip | |
ARM: ux500: remove pointless cache setup complexity
This cleans out non-DT cache setup (the ux500 is DT only), and
sinks the l2cc base into the unlock function.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'arch/arm/mach-ux500/cache-l2x0.c')
| -rw-r--r-- | arch/arm/mach-ux500/cache-l2x0.c | 18 |
1 files changed, 4 insertions, 14 deletions
diff --git a/arch/arm/mach-ux500/cache-l2x0.c b/arch/arm/mach-ux500/cache-l2x0.c index 842ebedbdd1c..e97ee556f92f 100644 --- a/arch/arm/mach-ux500/cache-l2x0.c +++ b/arch/arm/mach-ux500/cache-l2x0.c @@ -7,17 +7,15 @@ #include <linux/io.h> #include <linux/of.h> -#include <asm/cacheflush.h> #include <asm/hardware/cache-l2x0.h> #include "db8500-regs.h" #include "id.h" -static void __iomem *l2x0_base; - static int __init ux500_l2x0_unlock(void) { int i; + void __iomem *l2x0_base = __io_address(U8500_L2CC_BASE); /* * Unlock Data and Instruction Lock if locked. Ux500 U-Boot versions @@ -45,23 +43,15 @@ static void ux500_l2c310_write_sec(unsigned long val, unsigned reg) static int __init ux500_l2x0_init(void) { - if (cpu_is_u8500_family() || cpu_is_ux540_family()) - l2x0_base = __io_address(U8500_L2CC_BASE); - else - /* Non-Ux500 platform */ + /* Multiplatform guard */ + if (!((cpu_is_u8500_family() || cpu_is_ux540_family()))) return -ENODEV; /* Unlock before init */ ux500_l2x0_unlock(); - outer_cache.write_sec = ux500_l2c310_write_sec; - - if (of_have_populated_dt()) - l2x0_of_init(0, ~0); - else - l2x0_init(l2x0_base, 0, ~0); + l2x0_of_init(0, ~0); return 0; } - early_initcall(ux500_l2x0_init); |