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authorArnd Bergmann <arnd@arndb.de>2011-11-01 02:42:23 +0400
committerArnd Bergmann <arnd@arndb.de>2011-11-01 02:42:23 +0400
commiteed1e576507b52e03e549e0c9e0c747978122403 (patch)
tree69a7ecac041f83b0299f55a760f4f0cd5767ae05 /arch/arm/mach-ux500/cpu.c
parent65af7c4608f7b7019e2faa220fb9624988965873 (diff)
parent76525ec214449318f793ff05fa5b0ecd0afe41cd (diff)
downloadlinux-eed1e576507b52e03e549e0c9e0c747978122403.tar.xz
Merge branch 'stericsson/cleanup' into next/timer
The timer and cleanup branches from stericsson conflict, so I'm merging them here. Conflicts: arch/arm/mach-ux500/Makefile arch/arm/mach-ux500/cpu.c Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm/mach-ux500/cpu.c')
-rw-r--r--arch/arm/mach-ux500/cpu.c69
1 files changed, 0 insertions, 69 deletions
diff --git a/arch/arm/mach-ux500/cpu.c b/arch/arm/mach-ux500/cpu.c
index 797f3642fc30..1405d0eb7edb 100644
--- a/arch/arm/mach-ux500/cpu.c
+++ b/arch/arm/mach-ux500/cpu.c
@@ -12,8 +12,6 @@
#include <linux/mfd/db5500-prcmu.h>
#include <linux/clksrc-dbx500-prcmu.h>
-#include <asm/cacheflush.h>
-#include <asm/hardware/cache-l2x0.h>
#include <asm/hardware/gic.h>
#include <asm/mach/map.h>
#include <asm/localtimer.h>
@@ -26,10 +24,6 @@
void __iomem *_PRCMU_BASE;
-#ifdef CONFIG_CACHE_L2X0
-static void __iomem *l2x0_base;
-#endif
-
void __init ux500_init_irq(void)
{
void __iomem *dist_base;
@@ -56,66 +50,3 @@ void __init ux500_init_irq(void)
prcmu_early_init();
clk_init();
}
-
-#ifdef CONFIG_CACHE_L2X0
-static inline void ux500_cache_wait(void __iomem *reg, unsigned long mask)
-{
- /* wait for the operation to complete */
- while (readl_relaxed(reg) & mask)
- ;
-}
-
-static inline void ux500_cache_sync(void)
-{
- void __iomem *base = l2x0_base;
-
- writel_relaxed(0, base + L2X0_CACHE_SYNC);
- ux500_cache_wait(base + L2X0_CACHE_SYNC, 1);
-}
-
-/*
- * The L2 cache cannot be turned off in the non-secure world.
- * Dummy until a secure service is in place.
- */
-static void ux500_l2x0_disable(void)
-{
-}
-
-/*
- * This is only called when doing a kexec, just after turning off the L2
- * and L1 cache, and it is surrounded by a spinlock in the generic version.
- * However, we're not really turning off the L2 cache right now and the
- * PL310 does not support exclusive accesses (used to implement the spinlock).
- * So, the invalidation needs to be done without the spinlock.
- */
-static void ux500_l2x0_inv_all(void)
-{
- void __iomem *base = l2x0_base;
- uint32_t l2x0_way_mask = (1<<16) - 1; /* Bitmask of active ways */
-
- /* invalidate all ways */
- writel_relaxed(l2x0_way_mask, base + L2X0_INV_WAY);
- ux500_cache_wait(base + L2X0_INV_WAY, l2x0_way_mask);
- ux500_cache_sync();
-}
-
-static int ux500_l2x0_init(void)
-{
- if (cpu_is_u5500())
- l2x0_base = __io_address(U5500_L2CC_BASE);
- else if (cpu_is_u8500())
- l2x0_base = __io_address(U8500_L2CC_BASE);
- else
- ux500_unknown_soc();
-
- /* 64KB way size, 8 way associativity, force WA */
- l2x0_init(l2x0_base, 0x3e060000, 0xc0000fff);
-
- /* Override invalidate function */
- outer_cache.disable = ux500_l2x0_disable;
- outer_cache.inv_all = ux500_l2x0_inv_all;
-
- return 0;
-}
-early_initcall(ux500_l2x0_init);
-#endif