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author | Arnd Bergmann <arnd@arndb.de> | 2011-11-01 17:12:22 +0100 |
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committer | Arnd Bergmann <arnd@arndb.de> | 2011-11-01 17:12:22 +0100 |
commit | c72dbae971400e466ad9ff16c920cd6d9d8c55a1 (patch) | |
tree | 7a0ebba8b14d889a8b42edfa1272be222b908a82 /arch/arm/mach-imx/cache-l2x0.c | |
parent | 7e1efcf5d2039fb7a91e21df32f4175dbca4d61c (diff) | |
parent | b4cbb8a4e602ea77b0525d06eff89c6a6070dab3 (diff) | |
download | blackbird-op-linux-c72dbae971400e466ad9ff16c920cd6d9d8c55a1.tar.gz blackbird-op-linux-c72dbae971400e466ad9ff16c920cd6d9d8c55a1.zip |
Merge branch 'imx/devel' into next/dt
The board changes in the imx/devel branch conflict with other changes in
the device imx/dt branch.
Conflicts:
arch/arm/mach-mx5/board-mx53_loco.c
arch/arm/mach-mx5/board-mx53_smd.c
arch/arm/plat-mxc/include/mach/common.h
arch/arm/plat-mxc/include/mach/memory.h
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm/mach-imx/cache-l2x0.c')
-rw-r--r-- | arch/arm/mach-imx/cache-l2x0.c | 56 |
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); |