504 lines
13 KiB
C
504 lines
13 KiB
C
/*
|
|
* OMAP cpu type detection
|
|
*
|
|
* Copyright (C) 2004, 2008 Nokia Corporation
|
|
*
|
|
* Copyright (C) 2009-11 Texas Instruments.
|
|
*
|
|
* Written by Tony Lindgren <tony.lindgren@nokia.com>
|
|
*
|
|
* Added OMAP4/5 specific defines - Santosh Shilimkar<santosh.shilimkar@ti.com>
|
|
*
|
|
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*
|
|
*/
|
|
|
|
#include "omap24xx.h"
|
|
#include "omap34xx.h"
|
|
#include "omap44xx.h"
|
|
#include "ti81xx.h"
|
|
#include "am33xx.h"
|
|
#include "omap54xx.h"
|
|
|
|
#ifndef __ASSEMBLY__
|
|
|
|
#include <linux/bitops.h>
|
|
|
|
/*
|
|
* Test if multicore OMAP support is needed
|
|
*/
|
|
#undef MULTI_OMAP2
|
|
#undef OMAP_NAME
|
|
|
|
#ifdef CONFIG_ARCH_MULTIPLATFORM
|
|
#define MULTI_OMAP2
|
|
#endif
|
|
#ifdef CONFIG_SOC_OMAP2420
|
|
# ifdef OMAP_NAME
|
|
# undef MULTI_OMAP2
|
|
# define MULTI_OMAP2
|
|
# else
|
|
# define OMAP_NAME omap2420
|
|
# endif
|
|
#endif
|
|
#ifdef CONFIG_SOC_OMAP2430
|
|
# ifdef OMAP_NAME
|
|
# undef MULTI_OMAP2
|
|
# define MULTI_OMAP2
|
|
# else
|
|
# define OMAP_NAME omap2430
|
|
# endif
|
|
#endif
|
|
#ifdef CONFIG_ARCH_OMAP3
|
|
# ifdef OMAP_NAME
|
|
# undef MULTI_OMAP2
|
|
# define MULTI_OMAP2
|
|
# else
|
|
# define OMAP_NAME omap3
|
|
# endif
|
|
#endif
|
|
#ifdef CONFIG_ARCH_OMAP4
|
|
# ifdef OMAP_NAME
|
|
# undef MULTI_OMAP2
|
|
# define MULTI_OMAP2
|
|
# else
|
|
# define OMAP_NAME omap4
|
|
# endif
|
|
#endif
|
|
|
|
#ifdef CONFIG_SOC_OMAP5
|
|
# ifdef OMAP_NAME
|
|
# undef MULTI_OMAP2
|
|
# define MULTI_OMAP2
|
|
# else
|
|
# define OMAP_NAME omap5
|
|
# endif
|
|
#endif
|
|
|
|
#ifdef CONFIG_SOC_AM33XX
|
|
# ifdef OMAP_NAME
|
|
# undef MULTI_OMAP2
|
|
# define MULTI_OMAP2
|
|
# else
|
|
# define OMAP_NAME am33xx
|
|
# endif
|
|
#endif
|
|
|
|
/*
|
|
* Omap device type i.e. EMU/HS/TST/GP/BAD
|
|
*/
|
|
#define OMAP2_DEVICE_TYPE_TEST 0
|
|
#define OMAP2_DEVICE_TYPE_EMU 1
|
|
#define OMAP2_DEVICE_TYPE_SEC 2
|
|
#define OMAP2_DEVICE_TYPE_GP 3
|
|
#define OMAP2_DEVICE_TYPE_BAD 4
|
|
|
|
int omap_type(void);
|
|
|
|
/*
|
|
* omap_rev bits:
|
|
* CPU id bits (0730, 1510, 1710, 2422...) [31:16]
|
|
* CPU revision (See _REV_ defined in cpu.h) [15:08]
|
|
* CPU class bits (15xx, 16xx, 24xx, 34xx...) [07:00]
|
|
*/
|
|
unsigned int omap_rev(void);
|
|
|
|
static inline int soc_is_omap(void)
|
|
{
|
|
return omap_rev() != 0;
|
|
}
|
|
|
|
/*
|
|
* Get the CPU revision for OMAP devices
|
|
*/
|
|
#define GET_OMAP_REVISION() ((omap_rev() >> 8) & 0xff)
|
|
|
|
/*
|
|
* Macros to group OMAP into cpu classes.
|
|
* These can be used in most places.
|
|
* cpu_is_omap24xx(): True for OMAP2420, OMAP2422, OMAP2423, OMAP2430
|
|
* cpu_is_omap242x(): True for OMAP2420, OMAP2422, OMAP2423
|
|
* cpu_is_omap243x(): True for OMAP2430
|
|
* cpu_is_omap343x(): True for OMAP3430
|
|
* cpu_is_omap443x(): True for OMAP4430
|
|
* cpu_is_omap446x(): True for OMAP4460
|
|
* cpu_is_omap447x(): True for OMAP4470
|
|
* soc_is_omap543x(): True for OMAP5430, OMAP5432
|
|
*/
|
|
#define GET_OMAP_CLASS (omap_rev() & 0xff)
|
|
|
|
#define IS_OMAP_CLASS(class, id) \
|
|
static inline int is_omap ##class (void) \
|
|
{ \
|
|
return (GET_OMAP_CLASS == (id)) ? 1 : 0; \
|
|
}
|
|
|
|
#define GET_AM_CLASS ((omap_rev() >> 24) & 0xff)
|
|
|
|
#define IS_AM_CLASS(class, id) \
|
|
static inline int is_am ##class (void) \
|
|
{ \
|
|
return (GET_AM_CLASS == (id)) ? 1 : 0; \
|
|
}
|
|
|
|
#define GET_TI_CLASS ((omap_rev() >> 24) & 0xff)
|
|
|
|
#define IS_TI_CLASS(class, id) \
|
|
static inline int is_ti ##class (void) \
|
|
{ \
|
|
return (GET_TI_CLASS == (id)) ? 1 : 0; \
|
|
}
|
|
|
|
#define GET_OMAP_SUBCLASS ((omap_rev() >> 20) & 0x0fff)
|
|
|
|
#define IS_OMAP_SUBCLASS(subclass, id) \
|
|
static inline int is_omap ##subclass (void) \
|
|
{ \
|
|
return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \
|
|
}
|
|
|
|
#define IS_TI_SUBCLASS(subclass, id) \
|
|
static inline int is_ti ##subclass (void) \
|
|
{ \
|
|
return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \
|
|
}
|
|
|
|
#define IS_AM_SUBCLASS(subclass, id) \
|
|
static inline int is_am ##subclass (void) \
|
|
{ \
|
|
return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \
|
|
}
|
|
|
|
IS_OMAP_CLASS(24xx, 0x24)
|
|
IS_OMAP_CLASS(34xx, 0x34)
|
|
IS_OMAP_CLASS(44xx, 0x44)
|
|
IS_AM_CLASS(35xx, 0x35)
|
|
IS_OMAP_CLASS(54xx, 0x54)
|
|
IS_AM_CLASS(33xx, 0x33)
|
|
|
|
IS_TI_CLASS(81xx, 0x81)
|
|
|
|
IS_OMAP_SUBCLASS(242x, 0x242)
|
|
IS_OMAP_SUBCLASS(243x, 0x243)
|
|
IS_OMAP_SUBCLASS(343x, 0x343)
|
|
IS_OMAP_SUBCLASS(363x, 0x363)
|
|
IS_OMAP_SUBCLASS(443x, 0x443)
|
|
IS_OMAP_SUBCLASS(446x, 0x446)
|
|
IS_OMAP_SUBCLASS(447x, 0x447)
|
|
IS_OMAP_SUBCLASS(543x, 0x543)
|
|
|
|
IS_TI_SUBCLASS(816x, 0x816)
|
|
IS_TI_SUBCLASS(814x, 0x814)
|
|
IS_AM_SUBCLASS(335x, 0x335)
|
|
|
|
#define cpu_is_omap24xx() 0
|
|
#define cpu_is_omap242x() 0
|
|
#define cpu_is_omap243x() 0
|
|
#define cpu_is_omap34xx() 0
|
|
#define cpu_is_omap343x() 0
|
|
#define cpu_is_ti81xx() 0
|
|
#define cpu_is_ti816x() 0
|
|
#define cpu_is_ti814x() 0
|
|
#define soc_is_am35xx() 0
|
|
#define soc_is_am33xx() 0
|
|
#define soc_is_am335x() 0
|
|
#define cpu_is_omap44xx() 0
|
|
#define cpu_is_omap443x() 0
|
|
#define cpu_is_omap446x() 0
|
|
#define cpu_is_omap447x() 0
|
|
#define soc_is_omap54xx() 0
|
|
#define soc_is_omap543x() 0
|
|
|
|
#if defined(MULTI_OMAP2)
|
|
# if defined(CONFIG_ARCH_OMAP2)
|
|
# undef cpu_is_omap24xx
|
|
# define cpu_is_omap24xx() is_omap24xx()
|
|
# endif
|
|
# if defined (CONFIG_SOC_OMAP2420)
|
|
# undef cpu_is_omap242x
|
|
# define cpu_is_omap242x() is_omap242x()
|
|
# endif
|
|
# if defined (CONFIG_SOC_OMAP2430)
|
|
# undef cpu_is_omap243x
|
|
# define cpu_is_omap243x() is_omap243x()
|
|
# endif
|
|
# if defined(CONFIG_ARCH_OMAP3)
|
|
# undef cpu_is_omap34xx
|
|
# undef cpu_is_omap343x
|
|
# define cpu_is_omap34xx() is_omap34xx()
|
|
# define cpu_is_omap343x() is_omap343x()
|
|
# endif
|
|
#else
|
|
# if defined(CONFIG_ARCH_OMAP2)
|
|
# undef cpu_is_omap24xx
|
|
# define cpu_is_omap24xx() 1
|
|
# endif
|
|
# if defined(CONFIG_SOC_OMAP2420)
|
|
# undef cpu_is_omap242x
|
|
# define cpu_is_omap242x() 1
|
|
# endif
|
|
# if defined(CONFIG_SOC_OMAP2430)
|
|
# undef cpu_is_omap243x
|
|
# define cpu_is_omap243x() 1
|
|
# endif
|
|
# if defined(CONFIG_ARCH_OMAP3)
|
|
# undef cpu_is_omap34xx
|
|
# define cpu_is_omap34xx() 1
|
|
# endif
|
|
# if defined(CONFIG_SOC_OMAP3430)
|
|
# undef cpu_is_omap343x
|
|
# define cpu_is_omap343x() 1
|
|
# endif
|
|
#endif
|
|
|
|
/*
|
|
* Macros to detect individual cpu types.
|
|
* These are only rarely needed.
|
|
* cpu_is_omap2420(): True for OMAP2420
|
|
* cpu_is_omap2422(): True for OMAP2422
|
|
* cpu_is_omap2423(): True for OMAP2423
|
|
* cpu_is_omap2430(): True for OMAP2430
|
|
* cpu_is_omap3430(): True for OMAP3430
|
|
*/
|
|
#define GET_OMAP_TYPE ((omap_rev() >> 16) & 0xffff)
|
|
|
|
#define IS_OMAP_TYPE(type, id) \
|
|
static inline int is_omap ##type (void) \
|
|
{ \
|
|
return (GET_OMAP_TYPE == (id)) ? 1 : 0; \
|
|
}
|
|
|
|
IS_OMAP_TYPE(2420, 0x2420)
|
|
IS_OMAP_TYPE(2422, 0x2422)
|
|
IS_OMAP_TYPE(2423, 0x2423)
|
|
IS_OMAP_TYPE(2430, 0x2430)
|
|
IS_OMAP_TYPE(3430, 0x3430)
|
|
|
|
#define cpu_is_omap2420() 0
|
|
#define cpu_is_omap2422() 0
|
|
#define cpu_is_omap2423() 0
|
|
#define cpu_is_omap2430() 0
|
|
#define cpu_is_omap3430() 0
|
|
#define cpu_is_omap3630() 0
|
|
#define soc_is_omap5430() 0
|
|
|
|
/* These are needed for the common code */
|
|
#ifdef CONFIG_ARCH_OMAP2PLUS
|
|
#define cpu_is_omap7xx() 0
|
|
#define cpu_is_omap15xx() 0
|
|
#define cpu_is_omap16xx() 0
|
|
#define cpu_is_omap1510() 0
|
|
#define cpu_is_omap1610() 0
|
|
#define cpu_is_omap1611() 0
|
|
#define cpu_is_omap1621() 0
|
|
#define cpu_is_omap1710() 0
|
|
#define cpu_class_is_omap1() 0
|
|
#define cpu_class_is_omap2() 1
|
|
#endif
|
|
|
|
#if defined(CONFIG_ARCH_OMAP2)
|
|
# undef cpu_is_omap2420
|
|
# undef cpu_is_omap2422
|
|
# undef cpu_is_omap2423
|
|
# undef cpu_is_omap2430
|
|
# define cpu_is_omap2420() is_omap2420()
|
|
# define cpu_is_omap2422() is_omap2422()
|
|
# define cpu_is_omap2423() is_omap2423()
|
|
# define cpu_is_omap2430() is_omap2430()
|
|
#endif
|
|
|
|
#if defined(CONFIG_ARCH_OMAP3)
|
|
# undef cpu_is_omap3430
|
|
# undef cpu_is_ti81xx
|
|
# undef cpu_is_ti816x
|
|
# undef cpu_is_ti814x
|
|
# undef soc_is_am35xx
|
|
# define cpu_is_omap3430() is_omap3430()
|
|
# undef cpu_is_omap3630
|
|
# define cpu_is_omap3630() is_omap363x()
|
|
# define cpu_is_ti81xx() is_ti81xx()
|
|
# define cpu_is_ti816x() is_ti816x()
|
|
# define cpu_is_ti814x() is_ti814x()
|
|
# define soc_is_am35xx() is_am35xx()
|
|
#endif
|
|
|
|
# if defined(CONFIG_SOC_AM33XX)
|
|
# undef soc_is_am33xx
|
|
# undef soc_is_am335x
|
|
# define soc_is_am33xx() is_am33xx()
|
|
# define soc_is_am335x() is_am335x()
|
|
#endif
|
|
|
|
# if defined(CONFIG_ARCH_OMAP4)
|
|
# undef cpu_is_omap44xx
|
|
# undef cpu_is_omap443x
|
|
# undef cpu_is_omap446x
|
|
# undef cpu_is_omap447x
|
|
# define cpu_is_omap44xx() is_omap44xx()
|
|
# define cpu_is_omap443x() is_omap443x()
|
|
# define cpu_is_omap446x() is_omap446x()
|
|
# define cpu_is_omap447x() is_omap447x()
|
|
# endif
|
|
|
|
# if defined(CONFIG_SOC_OMAP5)
|
|
# undef soc_is_omap54xx
|
|
# undef soc_is_omap543x
|
|
# define soc_is_omap54xx() is_omap54xx()
|
|
# define soc_is_omap543x() is_omap543x()
|
|
#endif
|
|
|
|
/* Various silicon revisions for omap2 */
|
|
#define OMAP242X_CLASS 0x24200024
|
|
#define OMAP2420_REV_ES1_0 OMAP242X_CLASS
|
|
#define OMAP2420_REV_ES2_0 (OMAP242X_CLASS | (0x1 << 8))
|
|
|
|
#define OMAP243X_CLASS 0x24300024
|
|
#define OMAP2430_REV_ES1_0 OMAP243X_CLASS
|
|
|
|
#define OMAP343X_CLASS 0x34300034
|
|
#define OMAP3430_REV_ES1_0 OMAP343X_CLASS
|
|
#define OMAP3430_REV_ES2_0 (OMAP343X_CLASS | (0x1 << 8))
|
|
#define OMAP3430_REV_ES2_1 (OMAP343X_CLASS | (0x2 << 8))
|
|
#define OMAP3430_REV_ES3_0 (OMAP343X_CLASS | (0x3 << 8))
|
|
#define OMAP3430_REV_ES3_1 (OMAP343X_CLASS | (0x4 << 8))
|
|
#define OMAP3430_REV_ES3_1_2 (OMAP343X_CLASS | (0x5 << 8))
|
|
|
|
#define OMAP363X_CLASS 0x36300034
|
|
#define OMAP3630_REV_ES1_0 OMAP363X_CLASS
|
|
#define OMAP3630_REV_ES1_1 (OMAP363X_CLASS | (0x1 << 8))
|
|
#define OMAP3630_REV_ES1_2 (OMAP363X_CLASS | (0x2 << 8))
|
|
|
|
#define TI816X_CLASS 0x81600034
|
|
#define TI8168_REV_ES1_0 TI816X_CLASS
|
|
#define TI8168_REV_ES1_1 (TI816X_CLASS | (0x1 << 8))
|
|
|
|
#define TI814X_CLASS 0x81400034
|
|
#define TI8148_REV_ES1_0 TI814X_CLASS
|
|
#define TI8148_REV_ES2_0 (TI814X_CLASS | (0x1 << 8))
|
|
#define TI8148_REV_ES2_1 (TI814X_CLASS | (0x2 << 8))
|
|
|
|
#define AM35XX_CLASS 0x35170034
|
|
#define AM35XX_REV_ES1_0 AM35XX_CLASS
|
|
#define AM35XX_REV_ES1_1 (AM35XX_CLASS | (0x1 << 8))
|
|
|
|
#define AM335X_CLASS 0x33500033
|
|
#define AM335X_REV_ES1_0 AM335X_CLASS
|
|
#define AM335X_REV_ES2_0 (AM335X_CLASS | (0x1 << 8))
|
|
#define AM335X_REV_ES2_1 (AM335X_CLASS | (0x2 << 8))
|
|
|
|
#define OMAP443X_CLASS 0x44300044
|
|
#define OMAP4430_REV_ES1_0 (OMAP443X_CLASS | (0x10 << 8))
|
|
#define OMAP4430_REV_ES2_0 (OMAP443X_CLASS | (0x20 << 8))
|
|
#define OMAP4430_REV_ES2_1 (OMAP443X_CLASS | (0x21 << 8))
|
|
#define OMAP4430_REV_ES2_2 (OMAP443X_CLASS | (0x22 << 8))
|
|
#define OMAP4430_REV_ES2_3 (OMAP443X_CLASS | (0x23 << 8))
|
|
|
|
#define OMAP446X_CLASS 0x44600044
|
|
#define OMAP4460_REV_ES1_0 (OMAP446X_CLASS | (0x10 << 8))
|
|
#define OMAP4460_REV_ES1_1 (OMAP446X_CLASS | (0x11 << 8))
|
|
|
|
#define OMAP447X_CLASS 0x44700044
|
|
#define OMAP4470_REV_ES1_0 (OMAP447X_CLASS | (0x10 << 8))
|
|
|
|
#define OMAP54XX_CLASS 0x54000054
|
|
#define OMAP5430_REV_ES1_0 (OMAP54XX_CLASS | (0x30 << 16) | (0x10 << 8))
|
|
#define OMAP5430_REV_ES2_0 (OMAP54XX_CLASS | (0x30 << 16) | (0x20 << 8))
|
|
#define OMAP5432_REV_ES1_0 (OMAP54XX_CLASS | (0x32 << 16) | (0x10 << 8))
|
|
#define OMAP5432_REV_ES2_0 (OMAP54XX_CLASS | (0x32 << 16) | (0x20 << 8))
|
|
|
|
void omap2xxx_check_revision(void);
|
|
void omap3xxx_check_revision(void);
|
|
void omap4xxx_check_revision(void);
|
|
void omap5xxx_check_revision(void);
|
|
void omap3xxx_check_features(void);
|
|
void ti81xx_check_features(void);
|
|
void omap4xxx_check_features(void);
|
|
|
|
/*
|
|
* Runtime detection of OMAP3 features
|
|
*
|
|
* 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.
|
|
*/
|
|
extern u32 omap_features;
|
|
|
|
#define OMAP3_HAS_L2CACHE BIT(0)
|
|
#define OMAP3_HAS_IVA BIT(1)
|
|
#define OMAP3_HAS_SGX BIT(2)
|
|
#define OMAP3_HAS_NEON BIT(3)
|
|
#define OMAP3_HAS_ISP BIT(4)
|
|
#define OMAP3_HAS_192MHZ_CLK BIT(5)
|
|
#define OMAP3_HAS_IO_WAKEUP BIT(6)
|
|
#define OMAP3_HAS_SDRC BIT(7)
|
|
#define OMAP3_HAS_IO_CHAIN_CTRL BIT(8)
|
|
#define OMAP4_HAS_PERF_SILICON BIT(9)
|
|
|
|
|
|
#define OMAP3_HAS_FEATURE(feat,flag) \
|
|
static inline unsigned int omap3_has_ ##feat(void) \
|
|
{ \
|
|
return omap_features & OMAP3_HAS_ ##flag; \
|
|
} \
|
|
|
|
OMAP3_HAS_FEATURE(l2cache, L2CACHE)
|
|
OMAP3_HAS_FEATURE(sgx, SGX)
|
|
OMAP3_HAS_FEATURE(iva, IVA)
|
|
OMAP3_HAS_FEATURE(neon, NEON)
|
|
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__ */
|
|
|