summaryrefslogtreecommitdiff
path: root/arch/arm/mach-imx/cache-l2x0.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-imx/cache-l2x0.c')
-rw-r--r--arch/arm/mach-imx/cache-l2x0.c56
1 files changed, 0 insertions, 56 deletions
diff --git a/arch/arm/mach-imx/cache-l2x0.c b/arch/arm/mach-imx/cache-l2x0.c
deleted file mode 100644
index 69d1322add3c..000000000000
--- a/arch/arm/mach-imx/cache-l2x0.c
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- * Copyright (C) 2009-2010 Pengutronix
- * Sascha Hauer <s.hauer@pengutronix.de>
- * Juergen Beisert <j.beisert@pengutronix.de>
- *
- * This program is free software; you can redistribute it and/or modify it under
- * the terms of the GNU General Public License version 2 as published by the
- * Free Software Foundation.
- */
-
-#include <linux/init.h>
-#include <linux/err.h>
-#include <linux/kernel.h>
-
-#include <asm/hardware/cache-l2x0.h>
-
-#include <mach/hardware.h>
-
-static int mxc_init_l2x0(void)
-{
- void __iomem *l2x0_base;
- void __iomem *clkctl_base;
-
- if (!cpu_is_mx31() && !cpu_is_mx35())
- return 0;
-
-/*
- * First of all, we must repair broken chip settings. There are some
- * i.MX35 CPUs in the wild, comming with bogus L2 cache settings. These
- * misconfigured CPUs will run amok immediately when the L2 cache gets enabled.
- * Workaraound is to setup the correct register setting prior enabling the
- * L2 cache. This should not hurt already working CPUs, as they are using the
- * same value.
- */
-#define L2_MEM_VAL 0x10
-
- clkctl_base = ioremap(MX35_CLKCTL_BASE_ADDR, 4096);
- if (clkctl_base != NULL) {
- writel(0x00000515, clkctl_base + L2_MEM_VAL);
- iounmap(clkctl_base);
- } else {
- pr_err("L2 cache: Cannot fix timing. Trying to continue without\n");
- }
-
- l2x0_base = ioremap(MX3x_L2CC_BASE_ADDR, 4096);
- if (IS_ERR(l2x0_base)) {
- printk(KERN_ERR "remapping L2 cache area failed with %ld\n",
- PTR_ERR(l2x0_base));
- return 0;
- }
-
- l2x0_init(l2x0_base, 0x00030024, 0x00000000);
-
- return 0;
-}
-arch_initcall(mxc_init_l2x0);