9ab4650f71
Instead of reading the silicon version from ROM, we should read the SREV register from the IIM. Freescale has dropped all support for MX51 REV1.0, only MX51 REV 2.0 and 3.0 are valid. Signed-off-by: Dinh Nguyen <Dinh.Nguyen@freescale.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
173 lines
4.4 KiB
C
173 lines
4.4 KiB
C
/*
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* Copyright 2004-2007, 2010 Freescale Semiconductor, Inc. All Rights Reserved.
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* Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*/
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#ifndef __ASM_ARCH_MXC_H__
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#define __ASM_ARCH_MXC_H__
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#include <linux/types.h>
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#ifndef __ASM_ARCH_MXC_HARDWARE_H__
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#error "Do not include directly."
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#endif
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#define MXC_CPU_MX1 1
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#define MXC_CPU_MX21 21
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#define MXC_CPU_MX25 25
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#define MXC_CPU_MX27 27
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#define MXC_CPU_MX31 31
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#define MXC_CPU_MX35 35
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#define MXC_CPU_MX51 51
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#define MXC_CPU_MX53 53
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#define MXC_CPU_MXC91231 91231
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#define IMX_CHIP_REVISION_1_0 0x10
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#define IMX_CHIP_REVISION_1_1 0x11
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#define IMX_CHIP_REVISION_1_2 0x12
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#define IMX_CHIP_REVISION_1_3 0x13
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#define IMX_CHIP_REVISION_2_0 0x20
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#define IMX_CHIP_REVISION_2_1 0x21
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#define IMX_CHIP_REVISION_2_2 0x22
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#define IMX_CHIP_REVISION_2_3 0x23
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#define IMX_CHIP_REVISION_3_0 0x30
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#define IMX_CHIP_REVISION_3_1 0x31
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#define IMX_CHIP_REVISION_3_2 0x32
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#define IMX_CHIP_REVISION_3_3 0x33
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#define IMX_CHIP_REVISION_UNKNOWN 0xff
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#ifndef __ASSEMBLY__
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extern unsigned int __mxc_cpu_type;
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#endif
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#ifdef CONFIG_ARCH_MX1
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# ifdef mxc_cpu_type
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# undef mxc_cpu_type
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# define mxc_cpu_type __mxc_cpu_type
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# else
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# define mxc_cpu_type MXC_CPU_MX1
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# endif
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# define cpu_is_mx1() (mxc_cpu_type == MXC_CPU_MX1)
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#else
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# define cpu_is_mx1() (0)
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#endif
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#ifdef CONFIG_MACH_MX21
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# ifdef mxc_cpu_type
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# undef mxc_cpu_type
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# define mxc_cpu_type __mxc_cpu_type
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# else
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# define mxc_cpu_type MXC_CPU_MX21
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# endif
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# define cpu_is_mx21() (mxc_cpu_type == MXC_CPU_MX21)
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#else
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# define cpu_is_mx21() (0)
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#endif
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#ifdef CONFIG_ARCH_MX25
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# ifdef mxc_cpu_type
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# undef mxc_cpu_type
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# define mxc_cpu_type __mxc_cpu_type
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# else
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# define mxc_cpu_type MXC_CPU_MX25
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# endif
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# define cpu_is_mx25() (mxc_cpu_type == MXC_CPU_MX25)
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#else
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# define cpu_is_mx25() (0)
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#endif
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#ifdef CONFIG_MACH_MX27
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# ifdef mxc_cpu_type
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# undef mxc_cpu_type
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# define mxc_cpu_type __mxc_cpu_type
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# else
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# define mxc_cpu_type MXC_CPU_MX27
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# endif
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# define cpu_is_mx27() (mxc_cpu_type == MXC_CPU_MX27)
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#else
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# define cpu_is_mx27() (0)
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#endif
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#ifdef CONFIG_ARCH_MX31
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# ifdef mxc_cpu_type
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# undef mxc_cpu_type
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# define mxc_cpu_type __mxc_cpu_type
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# else
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# define mxc_cpu_type MXC_CPU_MX31
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# endif
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# define cpu_is_mx31() (mxc_cpu_type == MXC_CPU_MX31)
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#else
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# define cpu_is_mx31() (0)
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#endif
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#ifdef CONFIG_ARCH_MX35
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# ifdef mxc_cpu_type
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# undef mxc_cpu_type
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# define mxc_cpu_type __mxc_cpu_type
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# else
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# define mxc_cpu_type MXC_CPU_MX35
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# endif
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# define cpu_is_mx35() (mxc_cpu_type == MXC_CPU_MX35)
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#else
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# define cpu_is_mx35() (0)
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#endif
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#ifdef CONFIG_ARCH_MX5
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# ifdef mxc_cpu_type
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# undef mxc_cpu_type
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# define mxc_cpu_type __mxc_cpu_type
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# else
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# define mxc_cpu_type MXC_CPU_MX51
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# endif
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# define cpu_is_mx51() (mxc_cpu_type == MXC_CPU_MX51)
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# define cpu_is_mx53() (mxc_cpu_type == MXC_CPU_MX53)
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#else
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# define cpu_is_mx51() (0)
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#endif
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#ifdef CONFIG_ARCH_MXC91231
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# ifdef mxc_cpu_type
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# undef mxc_cpu_type
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# define mxc_cpu_type __mxc_cpu_type
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# else
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# define mxc_cpu_type MXC_CPU_MXC91231
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# endif
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# define cpu_is_mxc91231() (mxc_cpu_type == MXC_CPU_MXC91231)
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#else
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# define cpu_is_mxc91231() (0)
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#endif
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#ifndef __ASSEMBLY__
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struct cpu_op {
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u32 cpu_rate;
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};
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extern struct cpu_op *(*get_cpu_op)(int *op);
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#endif
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#if defined(CONFIG_ARCH_MX3) || defined(CONFIG_ARCH_MX2)
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/* These are deprecated, use mx[23][157]_setup_weimcs instead. */
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#define CSCR_U(n) (IO_ADDRESS(WEIM_BASE_ADDR + n * 0x10))
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#define CSCR_L(n) (IO_ADDRESS(WEIM_BASE_ADDR + n * 0x10 + 0x4))
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#define CSCR_A(n) (IO_ADDRESS(WEIM_BASE_ADDR + n * 0x10 + 0x8))
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#endif
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#define cpu_is_mx3() (cpu_is_mx31() || cpu_is_mx35() || cpu_is_mxc91231())
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#define cpu_is_mx2() (cpu_is_mx21() || cpu_is_mx27())
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#endif /* __ASM_ARCH_MXC_H__ */
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