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c27964b5d2
Otherwise it will return true for cpu_is_omap34xx() which we don't want for the clocks and hwmod. It's closer to am33xx for the clocks and hwmod than to the omap34xx. We also want to be able to detect 814x and 816x separately as at least the clocks are different with 814x using a apll and 816x using a fapll for the source clocks. Note that we can also remove omap3xxx_clk_init() call as it's wrong and ti81xx are booting in device tree only mode. Cc: Brian Hutchinson <b.hutchman@gmail.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
559 lines
15 KiB
C
559 lines
15 KiB
C
/*
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* OMAP cpu type detection
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*
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* Copyright (C) 2004, 2008 Nokia Corporation
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*
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* Copyright (C) 2009-11 Texas Instruments.
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*
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* Written by Tony Lindgren <tony.lindgren@nokia.com>
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*
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* Added OMAP4/5 specific defines - Santosh Shilimkar<santosh.shilimkar@ti.com>
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* Added DRA7xxx specific defines - Sricharan R<r.sricharan@ti.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include "omap24xx.h"
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#include "omap34xx.h"
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#include "omap44xx.h"
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#include "ti81xx.h"
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#include "am33xx.h"
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#include "omap54xx.h"
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#ifndef __ASSEMBLY__
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#include <linux/bitops.h>
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#include <linux/of.h>
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/*
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* Test if multicore OMAP support is needed
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*/
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#undef MULTI_OMAP2
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#undef OMAP_NAME
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#ifdef CONFIG_ARCH_MULTIPLATFORM
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#define MULTI_OMAP2
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#endif
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#ifdef CONFIG_SOC_OMAP2420
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# ifdef OMAP_NAME
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# undef MULTI_OMAP2
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# define MULTI_OMAP2
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# else
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# define OMAP_NAME omap2420
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# endif
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#endif
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#ifdef CONFIG_SOC_OMAP2430
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# ifdef OMAP_NAME
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# undef MULTI_OMAP2
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# define MULTI_OMAP2
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# else
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# define OMAP_NAME omap2430
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# endif
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#endif
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#ifdef CONFIG_ARCH_OMAP3
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# ifdef OMAP_NAME
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# undef MULTI_OMAP2
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# define MULTI_OMAP2
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# else
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# define OMAP_NAME omap3
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# endif
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#endif
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#ifdef CONFIG_ARCH_OMAP4
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# ifdef OMAP_NAME
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# undef MULTI_OMAP2
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# define MULTI_OMAP2
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# else
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# define OMAP_NAME omap4
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# endif
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#endif
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#ifdef CONFIG_SOC_OMAP5
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# ifdef OMAP_NAME
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# undef MULTI_OMAP2
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# define MULTI_OMAP2
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# else
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# define OMAP_NAME omap5
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# endif
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#endif
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#ifdef CONFIG_SOC_AM33XX
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# ifdef OMAP_NAME
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# undef MULTI_OMAP2
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# define MULTI_OMAP2
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# else
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# define OMAP_NAME am33xx
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# endif
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#endif
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#ifdef CONFIG_SOC_AM43XX
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# ifdef OMAP_NAME
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# undef MULTI_OMAP2
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# define MULTI_OMAP2
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# else
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# define OMAP_NAME am43xx
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# endif
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#endif
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#ifdef CONFIG_SOC_DRA7XX
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# ifdef OMAP_NAME
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# undef MULTI_OMAP2
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# define MULTI_OMAP2
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# else
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# define OMAP_NAME DRA7XX
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# endif
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#endif
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/*
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* Omap device type i.e. EMU/HS/TST/GP/BAD
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*/
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#define OMAP2_DEVICE_TYPE_TEST 0
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#define OMAP2_DEVICE_TYPE_EMU 1
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#define OMAP2_DEVICE_TYPE_SEC 2
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#define OMAP2_DEVICE_TYPE_GP 3
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#define OMAP2_DEVICE_TYPE_BAD 4
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int omap_type(void);
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/*
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* omap_rev bits:
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* CPU id bits (0730, 1510, 1710, 2422...) [31:16]
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* CPU revision (See _REV_ defined in cpu.h) [15:08]
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* CPU class bits (15xx, 16xx, 24xx, 34xx...) [07:00]
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*/
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unsigned int omap_rev(void);
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static inline int soc_is_omap(void)
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{
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return omap_rev() != 0;
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}
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/*
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* Get the CPU revision for OMAP devices
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*/
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#define GET_OMAP_REVISION() ((omap_rev() >> 8) & 0xff)
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/*
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* Macros to group OMAP into cpu classes.
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* These can be used in most places.
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* cpu_is_omap24xx(): True for OMAP2420, OMAP2422, OMAP2423, OMAP2430
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* cpu_is_omap242x(): True for OMAP2420, OMAP2422, OMAP2423
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* cpu_is_omap243x(): True for OMAP2430
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* cpu_is_omap343x(): True for OMAP3430
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* cpu_is_omap443x(): True for OMAP4430
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* cpu_is_omap446x(): True for OMAP4460
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* cpu_is_omap447x(): True for OMAP4470
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* soc_is_omap543x(): True for OMAP5430, OMAP5432
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*/
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#define GET_OMAP_CLASS (omap_rev() & 0xff)
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#define IS_OMAP_CLASS(class, id) \
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static inline int is_omap ##class (void) \
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{ \
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return (GET_OMAP_CLASS == (id)) ? 1 : 0; \
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}
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#define GET_AM_CLASS ((omap_rev() >> 24) & 0xff)
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#define IS_AM_CLASS(class, id) \
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static inline int is_am ##class (void) \
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{ \
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return (GET_AM_CLASS == (id)) ? 1 : 0; \
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}
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#define GET_TI_CLASS ((omap_rev() >> 24) & 0xff)
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#define IS_TI_CLASS(class, id) \
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static inline int is_ti ##class (void) \
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{ \
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return (GET_TI_CLASS == (id)) ? 1 : 0; \
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}
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#define GET_OMAP_SUBCLASS ((omap_rev() >> 20) & 0x0fff)
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#define IS_OMAP_SUBCLASS(subclass, id) \
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static inline int is_omap ##subclass (void) \
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{ \
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return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \
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}
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#define IS_TI_SUBCLASS(subclass, id) \
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static inline int is_ti ##subclass (void) \
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{ \
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return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \
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}
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#define IS_AM_SUBCLASS(subclass, id) \
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static inline int is_am ##subclass (void) \
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{ \
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return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \
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}
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IS_OMAP_CLASS(24xx, 0x24)
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IS_OMAP_CLASS(34xx, 0x34)
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IS_OMAP_CLASS(44xx, 0x44)
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IS_AM_CLASS(35xx, 0x35)
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IS_OMAP_CLASS(54xx, 0x54)
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IS_AM_CLASS(33xx, 0x33)
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IS_AM_CLASS(43xx, 0x43)
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IS_TI_CLASS(81xx, 0x81)
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IS_OMAP_SUBCLASS(242x, 0x242)
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IS_OMAP_SUBCLASS(243x, 0x243)
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IS_OMAP_SUBCLASS(343x, 0x343)
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IS_OMAP_SUBCLASS(363x, 0x363)
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IS_OMAP_SUBCLASS(443x, 0x443)
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IS_OMAP_SUBCLASS(446x, 0x446)
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IS_OMAP_SUBCLASS(447x, 0x447)
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IS_OMAP_SUBCLASS(543x, 0x543)
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IS_TI_SUBCLASS(816x, 0x816)
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IS_TI_SUBCLASS(814x, 0x814)
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IS_AM_SUBCLASS(335x, 0x335)
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IS_AM_SUBCLASS(437x, 0x437)
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#define cpu_is_omap24xx() 0
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#define cpu_is_omap242x() 0
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#define cpu_is_omap243x() 0
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#define cpu_is_omap34xx() 0
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#define cpu_is_omap343x() 0
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#define cpu_is_ti81xx() 0
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#define cpu_is_ti816x() 0
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#define cpu_is_ti814x() 0
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#define soc_is_am35xx() 0
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#define soc_is_am33xx() 0
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#define soc_is_am335x() 0
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#define soc_is_am43xx() 0
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#define soc_is_am437x() 0
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#define cpu_is_omap44xx() 0
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#define cpu_is_omap443x() 0
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#define cpu_is_omap446x() 0
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#define cpu_is_omap447x() 0
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#define soc_is_omap54xx() 0
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#define soc_is_omap543x() 0
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#define soc_is_dra7xx() 0
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#define soc_is_dra74x() 0
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#define soc_is_dra72x() 0
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#if defined(MULTI_OMAP2)
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# if defined(CONFIG_ARCH_OMAP2)
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# undef cpu_is_omap24xx
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# define cpu_is_omap24xx() is_omap24xx()
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# endif
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# if defined (CONFIG_SOC_OMAP2420)
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# undef cpu_is_omap242x
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# define cpu_is_omap242x() is_omap242x()
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# endif
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# if defined (CONFIG_SOC_OMAP2430)
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# undef cpu_is_omap243x
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# define cpu_is_omap243x() is_omap243x()
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# endif
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# if defined(CONFIG_ARCH_OMAP3)
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# undef cpu_is_omap34xx
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# undef cpu_is_omap343x
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# define cpu_is_omap34xx() is_omap34xx()
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# define cpu_is_omap343x() is_omap343x()
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# endif
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#else
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# if defined(CONFIG_ARCH_OMAP2)
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# undef cpu_is_omap24xx
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# define cpu_is_omap24xx() 1
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# endif
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# if defined(CONFIG_SOC_OMAP2420)
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# undef cpu_is_omap242x
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# define cpu_is_omap242x() 1
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# endif
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# if defined(CONFIG_SOC_OMAP2430)
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# undef cpu_is_omap243x
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# define cpu_is_omap243x() 1
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# endif
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# if defined(CONFIG_ARCH_OMAP3)
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# undef cpu_is_omap34xx
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# define cpu_is_omap34xx() 1
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# endif
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# if defined(CONFIG_SOC_OMAP3430)
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# undef cpu_is_omap343x
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# define cpu_is_omap343x() 1
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# endif
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#endif
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/*
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* Macros to detect individual cpu types.
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* These are only rarely needed.
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* cpu_is_omap2420(): True for OMAP2420
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* cpu_is_omap2422(): True for OMAP2422
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* cpu_is_omap2423(): True for OMAP2423
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* cpu_is_omap2430(): True for OMAP2430
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* cpu_is_omap3430(): True for OMAP3430
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*/
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#define GET_OMAP_TYPE ((omap_rev() >> 16) & 0xffff)
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#define IS_OMAP_TYPE(type, id) \
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static inline int is_omap ##type (void) \
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{ \
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return (GET_OMAP_TYPE == (id)) ? 1 : 0; \
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}
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IS_OMAP_TYPE(2420, 0x2420)
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IS_OMAP_TYPE(2422, 0x2422)
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IS_OMAP_TYPE(2423, 0x2423)
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IS_OMAP_TYPE(2430, 0x2430)
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IS_OMAP_TYPE(3430, 0x3430)
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#define cpu_is_omap2420() 0
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#define cpu_is_omap2422() 0
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#define cpu_is_omap2423() 0
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#define cpu_is_omap2430() 0
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#define cpu_is_omap3430() 0
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#define cpu_is_omap3630() 0
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#define soc_is_omap5430() 0
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/* These are needed for the common code */
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#ifdef CONFIG_ARCH_OMAP2PLUS
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#define cpu_is_omap7xx() 0
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#define cpu_is_omap15xx() 0
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#define cpu_is_omap16xx() 0
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#define cpu_is_omap1510() 0
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#define cpu_is_omap1610() 0
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#define cpu_is_omap1611() 0
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#define cpu_is_omap1621() 0
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#define cpu_is_omap1710() 0
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#define cpu_class_is_omap1() 0
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#define cpu_class_is_omap2() 1
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#endif
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#if defined(CONFIG_ARCH_OMAP2)
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# undef cpu_is_omap2420
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# undef cpu_is_omap2422
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# undef cpu_is_omap2423
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# undef cpu_is_omap2430
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# define cpu_is_omap2420() is_omap2420()
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# define cpu_is_omap2422() is_omap2422()
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# define cpu_is_omap2423() is_omap2423()
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# define cpu_is_omap2430() is_omap2430()
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#endif
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#if defined(CONFIG_ARCH_OMAP3)
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# undef cpu_is_omap3430
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# undef cpu_is_ti81xx
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# undef cpu_is_ti816x
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# undef cpu_is_ti814x
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# undef soc_is_am35xx
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# define cpu_is_omap3430() is_omap3430()
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# undef cpu_is_omap3630
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# define cpu_is_omap3630() is_omap363x()
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# define cpu_is_ti81xx() is_ti81xx()
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# define cpu_is_ti816x() is_ti816x()
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# define cpu_is_ti814x() is_ti814x()
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# define soc_is_am35xx() is_am35xx()
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#endif
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# if defined(CONFIG_SOC_AM33XX)
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# undef soc_is_am33xx
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# undef soc_is_am335x
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# define soc_is_am33xx() is_am33xx()
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# define soc_is_am335x() is_am335x()
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#endif
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#ifdef CONFIG_SOC_AM43XX
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# undef soc_is_am43xx
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# undef soc_is_am437x
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# define soc_is_am43xx() is_am43xx()
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# define soc_is_am437x() is_am437x()
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#endif
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# if defined(CONFIG_ARCH_OMAP4)
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# undef cpu_is_omap44xx
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# undef cpu_is_omap443x
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# undef cpu_is_omap446x
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# undef cpu_is_omap447x
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# define cpu_is_omap44xx() is_omap44xx()
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# define cpu_is_omap443x() is_omap443x()
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# define cpu_is_omap446x() is_omap446x()
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# define cpu_is_omap447x() is_omap447x()
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# endif
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# if defined(CONFIG_SOC_OMAP5)
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# undef soc_is_omap54xx
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# undef soc_is_omap543x
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# define soc_is_omap54xx() is_omap54xx()
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# define soc_is_omap543x() is_omap543x()
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#endif
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#if defined(CONFIG_SOC_DRA7XX)
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#undef soc_is_dra7xx
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#undef soc_is_dra74x
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#undef soc_is_dra72x
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#define soc_is_dra7xx() (of_machine_is_compatible("ti,dra7"))
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#define soc_is_dra74x() (of_machine_is_compatible("ti,dra74"))
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#define soc_is_dra72x() (of_machine_is_compatible("ti,dra72"))
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#endif
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/* Various silicon revisions for omap2 */
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#define OMAP242X_CLASS 0x24200024
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#define OMAP2420_REV_ES1_0 OMAP242X_CLASS
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#define OMAP2420_REV_ES2_0 (OMAP242X_CLASS | (0x1 << 8))
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#define OMAP243X_CLASS 0x24300024
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#define OMAP2430_REV_ES1_0 OMAP243X_CLASS
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#define OMAP343X_CLASS 0x34300034
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#define OMAP3430_REV_ES1_0 OMAP343X_CLASS
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#define OMAP3430_REV_ES2_0 (OMAP343X_CLASS | (0x1 << 8))
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#define OMAP3430_REV_ES2_1 (OMAP343X_CLASS | (0x2 << 8))
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#define OMAP3430_REV_ES3_0 (OMAP343X_CLASS | (0x3 << 8))
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#define OMAP3430_REV_ES3_1 (OMAP343X_CLASS | (0x4 << 8))
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#define OMAP3430_REV_ES3_1_2 (OMAP343X_CLASS | (0x5 << 8))
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#define OMAP363X_CLASS 0x36300034
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#define OMAP3630_REV_ES1_0 OMAP363X_CLASS
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#define OMAP3630_REV_ES1_1 (OMAP363X_CLASS | (0x1 << 8))
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#define OMAP3630_REV_ES1_2 (OMAP363X_CLASS | (0x2 << 8))
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#define TI816X_CLASS 0x81600081
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#define TI8168_REV_ES1_0 TI816X_CLASS
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#define TI8168_REV_ES1_1 (TI816X_CLASS | (0x1 << 8))
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#define TI8168_REV_ES2_0 (TI816X_CLASS | (0x2 << 8))
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#define TI8168_REV_ES2_1 (TI816X_CLASS | (0x3 << 8))
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#define TI814X_CLASS 0x81400081
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#define TI8148_REV_ES1_0 TI814X_CLASS
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#define TI8148_REV_ES2_0 (TI814X_CLASS | (0x1 << 8))
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#define TI8148_REV_ES2_1 (TI814X_CLASS | (0x2 << 8))
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#define AM35XX_CLASS 0x35170034
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#define AM35XX_REV_ES1_0 AM35XX_CLASS
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#define AM35XX_REV_ES1_1 (AM35XX_CLASS | (0x1 << 8))
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#define AM335X_CLASS 0x33500033
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#define AM335X_REV_ES1_0 AM335X_CLASS
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#define AM335X_REV_ES2_0 (AM335X_CLASS | (0x1 << 8))
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#define AM335X_REV_ES2_1 (AM335X_CLASS | (0x2 << 8))
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#define AM437X_CLASS 0x43700000
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#define AM437X_REV_ES1_0 (AM437X_CLASS | (0x10 << 8))
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#define AM437X_REV_ES1_1 (AM437X_CLASS | (0x11 << 8))
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#define AM437X_REV_ES1_2 (AM437X_CLASS | (0x12 << 8))
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#define OMAP443X_CLASS 0x44300044
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#define OMAP4430_REV_ES1_0 (OMAP443X_CLASS | (0x10 << 8))
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#define OMAP4430_REV_ES2_0 (OMAP443X_CLASS | (0x20 << 8))
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#define OMAP4430_REV_ES2_1 (OMAP443X_CLASS | (0x21 << 8))
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#define OMAP4430_REV_ES2_2 (OMAP443X_CLASS | (0x22 << 8))
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#define OMAP4430_REV_ES2_3 (OMAP443X_CLASS | (0x23 << 8))
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#define OMAP446X_CLASS 0x44600044
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#define OMAP4460_REV_ES1_0 (OMAP446X_CLASS | (0x10 << 8))
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#define OMAP4460_REV_ES1_1 (OMAP446X_CLASS | (0x11 << 8))
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#define OMAP447X_CLASS 0x44700044
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#define OMAP4470_REV_ES1_0 (OMAP447X_CLASS | (0x10 << 8))
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#define OMAP54XX_CLASS 0x54000054
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#define OMAP5430_REV_ES2_0 (OMAP54XX_CLASS | (0x30 << 16) | (0x20 << 8))
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#define OMAP5432_REV_ES2_0 (OMAP54XX_CLASS | (0x32 << 16) | (0x20 << 8))
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#define DRA7XX_CLASS 0x07000000
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#define DRA752_REV_ES1_0 (DRA7XX_CLASS | (0x52 << 16) | (0x10 << 8))
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#define DRA752_REV_ES1_1 (DRA7XX_CLASS | (0x52 << 16) | (0x11 << 8))
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#define DRA722_REV_ES1_0 (DRA7XX_CLASS | (0x22 << 16) | (0x10 << 8))
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void omap2xxx_check_revision(void);
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void omap3xxx_check_revision(void);
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void omap4xxx_check_revision(void);
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void omap5xxx_check_revision(void);
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void dra7xxx_check_revision(void);
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void omap3xxx_check_features(void);
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void ti81xx_check_features(void);
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void am33xx_check_features(void);
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void omap4xxx_check_features(void);
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|
|
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/*
|
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* Runtime detection of OMAP3 features
|
|
*
|
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* OMAP3_HAS_IO_CHAIN_CTRL: Some later members of the OMAP3 chip
|
|
* family have OS-level control over the I/O chain clock. This is
|
|
* to avoid a window during which wakeups could potentially be lost
|
|
* during powerdomain transitions. If this bit is set, it
|
|
* indicates that the chip does support OS-level control of this
|
|
* feature.
|
|
*/
|
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extern u32 omap_features;
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|
|
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#define OMAP3_HAS_L2CACHE BIT(0)
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#define OMAP3_HAS_IVA BIT(1)
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#define OMAP3_HAS_SGX BIT(2)
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#define OMAP3_HAS_NEON BIT(3)
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#define OMAP3_HAS_ISP BIT(4)
|
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#define OMAP3_HAS_192MHZ_CLK BIT(5)
|
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#define OMAP3_HAS_IO_WAKEUP BIT(6)
|
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#define OMAP3_HAS_SDRC BIT(7)
|
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#define OMAP3_HAS_IO_CHAIN_CTRL BIT(8)
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#define OMAP4_HAS_PERF_SILICON BIT(9)
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|
|
|
|
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#define OMAP3_HAS_FEATURE(feat,flag) \
|
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static inline unsigned int omap3_has_ ##feat(void) \
|
|
{ \
|
|
return omap_features & OMAP3_HAS_ ##flag; \
|
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} \
|
|
|
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OMAP3_HAS_FEATURE(l2cache, L2CACHE)
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OMAP3_HAS_FEATURE(sgx, SGX)
|
|
OMAP3_HAS_FEATURE(iva, IVA)
|
|
OMAP3_HAS_FEATURE(neon, NEON)
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|
OMAP3_HAS_FEATURE(isp, ISP)
|
|
OMAP3_HAS_FEATURE(192mhz_clk, 192MHZ_CLK)
|
|
OMAP3_HAS_FEATURE(io_wakeup, IO_WAKEUP)
|
|
OMAP3_HAS_FEATURE(sdrc, SDRC)
|
|
OMAP3_HAS_FEATURE(io_chain_ctrl, IO_CHAIN_CTRL)
|
|
|
|
/*
|
|
* Runtime detection of OMAP4 features
|
|
*/
|
|
#define OMAP4_HAS_FEATURE(feat, flag) \
|
|
static inline unsigned int omap4_has_ ##feat(void) \
|
|
{ \
|
|
return omap_features & OMAP4_HAS_ ##flag; \
|
|
} \
|
|
|
|
OMAP4_HAS_FEATURE(perf_silicon, PERF_SILICON)
|
|
|
|
/*
|
|
* We need to make sure omap initcalls don't run when
|
|
* multiplatform kernels are booted on other SoCs.
|
|
*/
|
|
#define omap_initcall(level, fn) \
|
|
static int __init __used __##fn(void) \
|
|
{ \
|
|
if (!soc_is_omap()) \
|
|
return 0; \
|
|
return fn(); \
|
|
} \
|
|
level(__##fn);
|
|
|
|
#define omap_early_initcall(fn) omap_initcall(early_initcall, fn)
|
|
#define omap_core_initcall(fn) omap_initcall(core_initcall, fn)
|
|
#define omap_postcore_initcall(fn) omap_initcall(postcore_initcall, fn)
|
|
#define omap_arch_initcall(fn) omap_initcall(arch_initcall, fn)
|
|
#define omap_subsys_initcall(fn) omap_initcall(subsys_initcall, fn)
|
|
#define omap_device_initcall(fn) omap_initcall(device_initcall, fn)
|
|
#define omap_late_initcall(fn) omap_initcall(late_initcall, fn)
|
|
#define omap_late_initcall_sync(fn) omap_initcall(late_initcall_sync, fn)
|
|
|
|
#endif /* __ASSEMBLY__ */
|
|
|