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Diffstat (limited to 'arch/arm/mach-ux500/cache-l2x0.c')
-rw-r--r--arch/arm/mach-ux500/cache-l2x0.c67
1 files changed, 0 insertions, 67 deletions
diff --git a/arch/arm/mach-ux500/cache-l2x0.c b/arch/arm/mach-ux500/cache-l2x0.c
deleted file mode 100644
index 780bd13cd..000000000
--- a/arch/arm/mach-ux500/cache-l2x0.c
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
- * Copyright (C) ST-Ericsson SA 2011
- *
- * License terms: GNU General Public License (GPL) version 2
- */
-
-#include <linux/io.h>
-#include <linux/of.h>
-#include <linux/of_address.h>
-
-#include <asm/outercache.h>
-#include <asm/hardware/cache-l2x0.h>
-
-#include "db8500-regs.h"
-#include "id.h"
-
-static int __init ux500_l2x0_unlock(void)
-{
- int i;
- struct device_node *np;
- void __iomem *l2x0_base;
-
- np = of_find_compatible_node(NULL, NULL, "arm,pl310-cache");
- l2x0_base = of_iomap(np, 0);
- of_node_put(np);
- if (!l2x0_base)
- return -ENODEV;
-
- /*
- * Unlock Data and Instruction Lock if locked. Ux500 U-Boot versions
- * apparently locks both caches before jumping to the kernel. The
- * l2x0 core will not touch the unlock registers if the l2x0 is
- * already enabled, so we do it right here instead. The PL310 has
- * 8 sets of registers, one per possible CPU.
- */
- for (i = 0; i < 8; i++) {
- writel_relaxed(0x0, l2x0_base + L2X0_LOCKDOWN_WAY_D_BASE +
- i * L2X0_LOCKDOWN_STRIDE);
- writel_relaxed(0x0, l2x0_base + L2X0_LOCKDOWN_WAY_I_BASE +
- i * L2X0_LOCKDOWN_STRIDE);
- }
- iounmap(l2x0_base);
- return 0;
-}
-
-static void ux500_l2c310_write_sec(unsigned long val, unsigned reg)
-{
- /*
- * We can't write to secure registers as we are in non-secure
- * mode, until we have some SMI service available.
- */
-}
-
-static int __init ux500_l2x0_init(void)
-{
- /* 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;
- l2x0_of_init(0, ~0);
-
- return 0;
-}
-early_initcall(ux500_l2x0_init);