From 871480933a1c28f8a9fed4c4d34d06c439a7a422 Mon Sep 17 00:00:00 2001 From: Srikant Patnaik Date: Sun, 11 Jan 2015 12:28:04 +0530 Subject: Moved, renamed, and deleted files The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure. --- ANDROID_3.4.5/arch/arm/mach-imx/cpu-imx27.c | 74 ----------------------------- 1 file changed, 74 deletions(-) delete mode 100644 ANDROID_3.4.5/arch/arm/mach-imx/cpu-imx27.c (limited to 'ANDROID_3.4.5/arch/arm/mach-imx/cpu-imx27.c') diff --git a/ANDROID_3.4.5/arch/arm/mach-imx/cpu-imx27.c b/ANDROID_3.4.5/arch/arm/mach-imx/cpu-imx27.c deleted file mode 100644 index ff38e150..00000000 --- a/ANDROID_3.4.5/arch/arm/mach-imx/cpu-imx27.c +++ /dev/null @@ -1,74 +0,0 @@ -/* - * Copyright 2007 Freescale Semiconductor, Inc. All Rights Reserved. - * Copyright 2008 Juergen Beisert, kernel@pengutronix.de - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, - * MA 02110-1301, USA. - */ - -/* - * i.MX27 specific CPU detection code - */ - -#include -#include - -#include - -static int mx27_cpu_rev = -1; -static int mx27_cpu_partnumber; - -#define SYS_CHIP_ID 0x00 /* The offset of CHIP ID register */ - -static int mx27_read_cpu_rev(void) -{ - u32 val; - /* - * now we have access to the IO registers. As we need - * the silicon revision very early we read it here to - * avoid any further hooks - */ - val = __raw_readl(MX27_IO_ADDRESS(MX27_SYSCTRL_BASE_ADDR - + SYS_CHIP_ID)); - - mx27_cpu_partnumber = (int)((val >> 12) & 0xFFFF); - - switch (val >> 28) { - case 0: - return IMX_CHIP_REVISION_1_0; - case 1: - return IMX_CHIP_REVISION_2_0; - case 2: - return IMX_CHIP_REVISION_2_1; - default: - return IMX_CHIP_REVISION_UNKNOWN; - } -} - -/* - * Returns: - * the silicon revision of the cpu - * -EINVAL - not a mx27 - */ -int mx27_revision(void) -{ - if (mx27_cpu_rev == -1) - mx27_cpu_rev = mx27_read_cpu_rev(); - - if (mx27_cpu_partnumber != 0x8821) - return -EINVAL; - - return mx27_cpu_rev; -} -EXPORT_SYMBOL(mx27_revision); -- cgit