/* * 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> * * 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> #include <linux/of.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 #ifdef CONFIG_SOC_AM43XX # ifdef OMAP_NAME # undef MULTI_OMAP2 # define MULTI_OMAP2 # else # define OMAP_NAME am43xx # endif #endif #ifdef CONFIG_SOC_DRA7XX # ifdef OMAP_NAME # undef MULTI_OMAP2 # define MULTI_OMAP2 # else # define OMAP_NAME DRA7XX # 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_AM_CLASS(43xx, 0x43) 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) IS_AM_SUBCLASS(437x, 0x437) #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 soc_is_am43xx() 0 #define soc_is_am437x() 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 #define soc_is_dra7xx() 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 #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 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 #if defined(CONFIG_SOC_DRA7XX) #undef soc_is_dra7xx #define soc_is_dra7xx() (of_machine_is_compatible("ti,dra7")) #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 TI8168_REV_ES2_0 (TI816X_CLASS | (0x2 << 8)) #define TI8168_REV_ES2_1 (TI816X_CLASS | (0x3 << 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 AM437X_CLASS 0x43700000 #define AM437X_REV_ES1_0 (AM437X_CLASS | (0x10 << 8)) #define AM437X_REV_ES1_1 (AM437X_CLASS | (0x11 << 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 DRA752_REV_ES1_0 (DRA7XX_CLASS | (0x52 << 16) | (0x10 << 8)) #define DRA752_REV_ES1_1 (DRA7XX_CLASS | (0x52 << 16) | (0x11 << 8)) #define DRA722_REV_ES1_0 (DRA7XX_CLASS | (0x22 << 16) | (0x10 << 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) #endif /* __ASSEMBLY__ */