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|
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* 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>
* Added DRA7xxx specific defines - Sricharan R<r.sricharan@ti.com>
*/
#include "omap24xx.h"
#include "omap34xx.h"
#include "omap44xx.h"
#include "ti81xx.h"
#include "am33xx.h"
#include "omap54xx.h"
#ifndef __ASSEMBLY__
#include <linux/bitops.h>
#include <linux/of.h>
/*
* OMAP2+ is always defined as ARCH_MULTIPLATFORM in Kconfig
*/
#undef MULTI_OMAP2
#define MULTI_OMAP2
/*
* 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:
* SoC id bits (0730, 1510, 1710, 2422...) [31:16]
* SoC revision (See _REV_ defined in cpu.h) [15:08]
* SoC 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 SoC 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.
* soc_is_omap24xx(): True for OMAP2420, OMAP2422, OMAP2423, OMAP2430
* soc_is_omap242x(): True for OMAP2420, OMAP2422, OMAP2423
* soc_is_omap243x(): True for OMAP2430
* soc_is_omap343x(): True for OMAP3430
* soc_is_omap443x(): True for OMAP4430
* soc_is_omap446x(): True for OMAP4460
* soc_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_DRA_CLASS ((omap_rev() >> 24) & 0xff)
#define IS_DRA_CLASS(class, id) \
static inline int is_dra ##class (void) \
{ \
return (GET_DRA_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; \
}
#define IS_DRA_SUBCLASS(subclass, id) \
static inline int is_dra ##subclass (void) \
{ \
return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \
}
#define GET_DRA_PACKAGE (omap_rev() & 0xff)
#define IS_DRA_SUBCLASS_PACKAGE(subclass, package, id) \
static inline int is_dra ##subclass ##_ ##package (void) \
{ \
return (is_dra ##subclass () && GET_DRA_PACKAGE == 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_AM_CLASS(43xx, 0x43)
IS_TI_CLASS(81xx, 0x81)
IS_DRA_CLASS(7xx, 0x7)
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)
IS_AM_SUBCLASS(437x, 0x437)
IS_DRA_SUBCLASS(76x, 0x76)
IS_DRA_SUBCLASS_PACKAGE(76x, abz, 2)
IS_DRA_SUBCLASS_PACKAGE(76x, acd, 3)
IS_DRA_SUBCLASS(75x, 0x75)
IS_DRA_SUBCLASS(72x, 0x72)
#define soc_is_ti81xx() 0
#define soc_is_ti816x() 0
#define soc_is_ti814x() 0
#define soc_is_am35xx() 0
#define soc_is_am33xx() 0
#define soc_is_am335x() 0
#define soc_is_am43xx() 0
#define soc_is_am437x() 0
#define soc_is_omap44xx() 0
#define soc_is_omap443x() 0
#define soc_is_omap446x() 0
#define soc_is_omap447x() 0
#define soc_is_omap54xx() 0
#define soc_is_omap543x() 0
#define soc_is_dra7xx() 0
#define soc_is_dra76x() 0
#define soc_is_dra74x() 0
#define soc_is_dra72x() 0
#if defined(CONFIG_ARCH_OMAP2)
# define soc_is_omap24xx() is_omap24xx()
#else
# define soc_is_omap24xx() 0
#endif
#if defined(CONFIG_SOC_OMAP2420)
# define soc_is_omap242x() is_omap242x()
#else
# define soc_is_omap242x() 0
#endif
#if defined(CONFIG_SOC_OMAP2430)
# define soc_is_omap243x() is_omap243x()
#else
# define soc_is_omap243x() 0
#endif
#if defined(CONFIG_ARCH_OMAP3)
# define soc_is_omap34xx() is_omap34xx()
# define soc_is_omap343x() is_omap343x()
#else
# define soc_is_omap34xx() 0
# define soc_is_omap343x() 0
#endif
/*
* Macros to detect individual cpu types.
* These are only rarely needed.
* soc_is_omap2420(): True for OMAP2420
* soc_is_omap2422(): True for OMAP2422
* soc_is_omap2423(): True for OMAP2423
* soc_is_omap2430(): True for OMAP2430
* soc_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 soc_is_omap2420() 0
#define soc_is_omap2422() 0
#define soc_is_omap2423() 0
#define soc_is_omap2430() 0
#define soc_is_omap3430() 0
#define soc_is_omap3630() 0
#define soc_is_omap5430() 0
/* These are needed for the common code */
#define soc_is_omap7xx() 0
#define soc_is_omap15xx() 0
#define soc_is_omap16xx() 0
#define soc_is_omap1510() 0
#define soc_is_omap1610() 0
#define soc_is_omap1611() 0
#define soc_is_omap1621() 0
#define soc_is_omap1710() 0
#define cpu_class_is_omap1() 0
#define cpu_class_is_omap2() 1
#if defined(CONFIG_ARCH_OMAP2)
# undef soc_is_omap2420
# undef soc_is_omap2422
# undef soc_is_omap2423
# undef soc_is_omap2430
# define soc_is_omap2420() is_omap2420()
# define soc_is_omap2422() is_omap2422()
# define soc_is_omap2423() is_omap2423()
# define soc_is_omap2430() is_omap2430()
#endif
#if defined(CONFIG_ARCH_OMAP3)
# undef soc_is_omap3430
# undef soc_is_ti81xx
# undef soc_is_ti816x
# undef soc_is_ti814x
# undef soc_is_am35xx
# define soc_is_omap3430() is_omap3430()
# undef soc_is_omap3630
# define soc_is_omap3630() is_omap363x()
# define soc_is_ti81xx() is_ti81xx()
# define soc_is_ti816x() is_ti816x()
# define soc_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
#ifdef CONFIG_SOC_AM43XX
# undef soc_is_am43xx
# undef soc_is_am437x
# define soc_is_am43xx() is_am43xx()
# define soc_is_am437x() is_am437x()
#endif
# if defined(CONFIG_ARCH_OMAP4)
# undef soc_is_omap44xx
# undef soc_is_omap443x
# undef soc_is_omap446x
# undef soc_is_omap447x
# define soc_is_omap44xx() is_omap44xx()
# define soc_is_omap443x() is_omap443x()
# define soc_is_omap446x() is_omap446x()
# define soc_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
#if defined(CONFIG_SOC_DRA7XX)
#undef soc_is_dra7xx
#undef soc_is_dra76x
#undef soc_is_dra76x_abz
#undef soc_is_dra76x_acd
#undef soc_is_dra74x
#undef soc_is_dra72x
#define soc_is_dra7xx() is_dra7xx()
#define soc_is_dra76x() is_dra76x()
#define soc_is_dra76x_abz() is_dra76x_abz()
#define soc_is_dra76x_acd() is_dra76x_acd()
#define soc_is_dra74x() is_dra75x()
#define soc_is_dra72x() is_dra72x()
#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 0x81600081
#define TI8168_REV_ES1_0 TI816X_CLASS
#define TI8168_REV_ES1_1 (TI816X_CLASS | (0x1 << 8))
#define TI8168_REV_ES2_0 (TI816X_CLASS | (0x2 << 8))
#define TI8168_REV_ES2_1 (TI816X_CLASS | (0x3 << 8))
#define TI814X_CLASS 0x81400081
#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 AM437X_CLASS 0x43700000
#define AM437X_REV_ES1_0 (AM437X_CLASS | (0x10 << 8))
#define AM437X_REV_ES1_1 (AM437X_CLASS | (0x11 << 8))
#define AM437X_REV_ES1_2 (AM437X_CLASS | (0x12 << 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_ES2_0 (OMAP54XX_CLASS | (0x30 << 16) | (0x20 << 8))
#define OMAP5432_REV_ES2_0 (OMAP54XX_CLASS | (0x32 << 16) | (0x20 << 8))
#define DRA7XX_CLASS 0x07000000
#define DRA762_REV_ES1_0 (DRA7XX_CLASS | (0x62 << 16) | (0x10 << 8))
#define DRA762_ABZ_REV_ES1_0 (DRA762_REV_ES1_0 | (2 << 0))
#define DRA762_ACD_REV_ES1_0 (DRA762_REV_ES1_0 | (3 << 0))
#define DRA752_REV_ES1_0 (DRA7XX_CLASS | (0x52 << 16) | (0x10 << 8))
#define DRA752_REV_ES1_1 (DRA7XX_CLASS | (0x52 << 16) | (0x11 << 8))
#define DRA752_REV_ES2_0 (DRA7XX_CLASS | (0x52 << 16) | (0x20 << 8))
#define DRA722_REV_ES1_0 (DRA7XX_CLASS | (0x22 << 16) | (0x10 << 8))
#define DRA722_REV_ES2_0 (DRA7XX_CLASS | (0x22 << 16) | (0x20 << 8))
#define DRA722_REV_ES2_1 (DRA7XX_CLASS | (0x22 << 16) | (0x21 << 8))
void omap2xxx_check_revision(void);
void omap3xxx_check_revision(void);
void omap4xxx_check_revision(void);
void omap5xxx_check_revision(void);
void dra7xxx_check_revision(void);
void omap3xxx_check_features(void);
void ti81xx_check_features(void);
void am33xx_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)
/* Legacy defines, these can be removed when users are removed */
#define cpu_is_omap2420() soc_is_omap2420()
#define cpu_is_omap2422() soc_is_omap2422()
#define cpu_is_omap242x() soc_is_omap242x()
#define cpu_is_omap2430() soc_is_omap2430()
#define cpu_is_omap243x() soc_is_omap243x()
#define cpu_is_omap24xx() soc_is_omap24xx()
#define cpu_is_omap3430() soc_is_omap3430()
#define cpu_is_omap343x() soc_is_omap343x()
#define cpu_is_omap34xx() soc_is_omap34xx()
#define cpu_is_omap3630() soc_is_omap3630()
#define cpu_is_omap443x() soc_is_omap443x()
#define cpu_is_omap446x() soc_is_omap446x()
#define cpu_is_omap44xx() soc_is_omap44xx()
#define cpu_is_ti814x() soc_is_ti814x()
#define cpu_is_ti816x() soc_is_ti816x()
#define cpu_is_ti81xx() soc_is_ti81xx()
#endif /* __ASSEMBLY__ */
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