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-rw-r--r--arch/arm/mach-mx5/cpu.c186
1 files changed, 0 insertions, 186 deletions
diff --git a/arch/arm/mach-mx5/cpu.c b/arch/arm/mach-mx5/cpu.c
deleted file mode 100644
index 5c5328257dc..00000000000
--- a/arch/arm/mach-mx5/cpu.c
+++ /dev/null
@@ -1,186 +0,0 @@
-/*
- * Copyright 2008-2010 Freescale Semiconductor, Inc. All Rights Reserved.
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
- *
- * This file contains the CPU initialization code.
- */
-
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <mach/hardware.h>
-#include <asm/io.h>
-
-static int mx5_cpu_rev = -1;
-
-#define IIM_SREV 0x24
-#define MX50_HW_ADADIG_DIGPROG 0xB0
-
-static int get_mx51_srev(void)
-{
- void __iomem *iim_base = MX51_IO_ADDRESS(MX51_IIM_BASE_ADDR);
- u32 rev = readl(iim_base + IIM_SREV) & 0xff;
-
- switch (rev) {
- case 0x0:
- return IMX_CHIP_REVISION_2_0;
- case 0x10:
- return IMX_CHIP_REVISION_3_0;
- default:
- return IMX_CHIP_REVISION_UNKNOWN;
- }
-}
-
-/*
- * Returns:
- * the silicon revision of the cpu
- * -EINVAL - not a mx51
- */
-int mx51_revision(void)
-{
- if (!cpu_is_mx51())
- return -EINVAL;
-
- if (mx5_cpu_rev == -1)
- mx5_cpu_rev = get_mx51_srev();
-
- return mx5_cpu_rev;
-}
-EXPORT_SYMBOL(mx51_revision);
-
-#ifdef CONFIG_NEON
-
-/*
- * All versions of the silicon before Rev. 3 have broken NEON implementations.
- * Dependent on link order - so the assumption is that vfp_init is called
- * before us.
- */
-static int __init mx51_neon_fixup(void)
-{
- if (!cpu_is_mx51())
- return 0;
-
- if (mx51_revision() < IMX_CHIP_REVISION_3_0 && (elf_hwcap & HWCAP_NEON)) {
- elf_hwcap &= ~HWCAP_NEON;
- pr_info("Turning off NEON support, detected broken NEON implementation\n");
- }
- return 0;
-}
-
-late_initcall(mx51_neon_fixup);
-#endif
-
-static int get_mx53_srev(void)
-{
- void __iomem *iim_base = MX51_IO_ADDRESS(MX53_IIM_BASE_ADDR);
- u32 rev = readl(iim_base + IIM_SREV) & 0xff;
-
- switch (rev) {
- case 0x0:
- return IMX_CHIP_REVISION_1_0;
- case 0x2:
- return IMX_CHIP_REVISION_2_0;
- case 0x3:
- return IMX_CHIP_REVISION_2_1;
- default:
- return IMX_CHIP_REVISION_UNKNOWN;
- }
-}
-
-/*
- * Returns:
- * the silicon revision of the cpu
- * -EINVAL - not a mx53
- */
-int mx53_revision(void)
-{
- if (!cpu_is_mx53())
- return -EINVAL;
-
- if (mx5_cpu_rev == -1)
- mx5_cpu_rev = get_mx53_srev();
-
- return mx5_cpu_rev;
-}
-EXPORT_SYMBOL(mx53_revision);
-
-static int get_mx50_srev(void)
-{
- void __iomem *anatop = ioremap(MX50_ANATOP_BASE_ADDR, SZ_8K);
- u32 rev;
-
- if (!anatop) {
- mx5_cpu_rev = -EINVAL;
- return 0;
- }
-
- rev = readl(anatop + MX50_HW_ADADIG_DIGPROG);
- rev &= 0xff;
-
- iounmap(anatop);
- if (rev == 0x0)
- return IMX_CHIP_REVISION_1_0;
- else if (rev == 0x1)
- return IMX_CHIP_REVISION_1_1;
- return 0;
-}
-
-/*
- * Returns:
- * the silicon revision of the cpu
- * -EINVAL - not a mx50
- */
-int mx50_revision(void)
-{
- if (!cpu_is_mx50())
- return -EINVAL;
-
- if (mx5_cpu_rev == -1)
- mx5_cpu_rev = get_mx50_srev();
-
- return mx5_cpu_rev;
-}
-EXPORT_SYMBOL(mx50_revision);
-
-static int __init post_cpu_init(void)
-{
- unsigned int reg;
- void __iomem *base;
-
- if (cpu_is_mx51() || cpu_is_mx53()) {
- if (cpu_is_mx51())
- base = MX51_IO_ADDRESS(MX51_AIPS1_BASE_ADDR);
- else
- base = MX53_IO_ADDRESS(MX53_AIPS1_BASE_ADDR);
-
- __raw_writel(0x0, base + 0x40);
- __raw_writel(0x0, base + 0x44);
- __raw_writel(0x0, base + 0x48);
- __raw_writel(0x0, base + 0x4C);
- reg = __raw_readl(base + 0x50) & 0x00FFFFFF;
- __raw_writel(reg, base + 0x50);
-
- if (cpu_is_mx51())
- base = MX51_IO_ADDRESS(MX51_AIPS2_BASE_ADDR);
- else
- base = MX53_IO_ADDRESS(MX53_AIPS2_BASE_ADDR);
-
- __raw_writel(0x0, base + 0x40);
- __raw_writel(0x0, base + 0x44);
- __raw_writel(0x0, base + 0x48);
- __raw_writel(0x0, base + 0x4C);
- reg = __raw_readl(base + 0x50) & 0x00FFFFFF;
- __raw_writel(reg, base + 0x50);
- }
-
- return 0;
-}
-
-postcore_initcall(post_cpu_init);