| /* |
| * 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)) |
| |
| 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 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__ */ |
| |
