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Diffstat (limited to 'arch/arm/mach-omap2/common.h')
| -rw-r--r-- | arch/arm/mach-omap2/common.h | 349 |
1 files changed, 349 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/common.h b/arch/arm/mach-omap2/common.h new file mode 100644 index 0000000000..9d60799e97 --- /dev/null +++ b/arch/arm/mach-omap2/common.h @@ -0,0 +1,349 @@ +/* + * Header for code common to all OMAP2+ machines. + * + * 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN + * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * 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., + * 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef __ARCH_ARM_MACH_OMAP2PLUS_COMMON_H +#define __ARCH_ARM_MACH_OMAP2PLUS_COMMON_H +#ifndef __ASSEMBLER__ + +#include <linux/irq.h> +#include <linux/delay.h> +#include <linux/i2c.h> +#include <linux/mfd/twl.h> +#include <linux/platform_data/i2c-omap.h> +#include <linux/reboot.h> +#include <linux/irqchip/irq-omap-intc.h> + +#include <asm/proc-fns.h> +#include <asm/hardware/cache-l2x0.h> + +#include "i2c.h" + +#define OMAP_INTC_START NR_IRQS + +extern int (*omap_pm_soc_init)(void); +int omap_pm_nop_init(void); + +#if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3) +int omap3_pm_init(void); +#else +static inline int omap3_pm_init(void) +{ + return 0; +} +#endif + +#if defined(CONFIG_PM) && (defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || defined(CONFIG_SOC_DRA7XX)) +int omap4_pm_init(void); +int omap4_pm_init_early(void); +#else +static inline int omap4_pm_init(void) +{ + return 0; +} + +static inline int omap4_pm_init_early(void) +{ + return 0; +} +#endif + +#if defined(CONFIG_PM) && (defined(CONFIG_SOC_AM33XX) || \ + defined(CONFIG_SOC_AM43XX)) +int amx3_common_pm_init(void); +#else +static inline int amx3_common_pm_init(void) +{ + return 0; +} +#endif + +#ifdef CONFIG_CACHE_L2X0 +int omap_l2_cache_init(void); +#define OMAP_L2C_AUX_CTRL (L2C_AUX_CTRL_SHARED_OVERRIDE | \ + L310_AUX_CTRL_DATA_PREFETCH | \ + L310_AUX_CTRL_INSTR_PREFETCH) +void omap4_l2c310_write_sec(unsigned long val, unsigned reg); +#else +static inline int omap_l2_cache_init(void) +{ + return 0; +} + +#define OMAP_L2C_AUX_CTRL 0 +#define omap4_l2c310_write_sec NULL +#endif + +#ifdef CONFIG_SOC_HAS_REALTIME_COUNTER +extern void omap5_realtime_timer_init(void); +#else +static inline void omap5_realtime_timer_init(void) +{ +} +#endif + +void omap2420_init_early(void); +void omap2430_init_early(void); +void omap3430_init_early(void); +void omap3630_init_early(void); +void am33xx_init_early(void); +void am35xx_init_early(void); +void ti814x_init_early(void); +void ti816x_init_early(void); +void am43xx_init_early(void); +void am43xx_init_late(void); +void omap4430_init_early(void); +void omap5_init_early(void); +void omap3_init_late(void); +void omap4430_init_late(void); +void ti81xx_init_late(void); +void am33xx_init_late(void); +void omap5_init_late(void); +void dra7xx_init_early(void); +void dra7xx_init_late(void); + +#ifdef CONFIG_SOC_BUS +void omap_soc_device_init(void); +#else +static inline void omap_soc_device_init(void) +{ +} +#endif + +#if defined(CONFIG_SOC_OMAP2420) || defined(CONFIG_SOC_OMAP2430) +void omap2xxx_restart(enum reboot_mode mode, const char *cmd); +#else +static inline void omap2xxx_restart(enum reboot_mode mode, const char *cmd) +{ +} +#endif + +#ifdef CONFIG_SOC_AM33XX +void am33xx_restart(enum reboot_mode mode, const char *cmd); +#else +static inline void am33xx_restart(enum reboot_mode mode, const char *cmd) +{ +} +#endif + +#ifdef CONFIG_ARCH_OMAP3 +void omap3xxx_restart(enum reboot_mode mode, const char *cmd); +#else +static inline void omap3xxx_restart(enum reboot_mode mode, const char *cmd) +{ +} +#endif + +#ifdef CONFIG_SOC_TI81XX +void ti81xx_restart(enum reboot_mode mode, const char *cmd); +#else +static inline void ti81xx_restart(enum reboot_mode mode, const char *cmd) +{ +} +#endif + +#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || \ + defined(CONFIG_SOC_DRA7XX) || defined(CONFIG_SOC_AM43XX) +void omap44xx_restart(enum reboot_mode mode, const char *cmd); +#else +static inline void omap44xx_restart(enum reboot_mode mode, const char *cmd) +{ +} +#endif + +#ifdef CONFIG_OMAP_INTERCONNECT_BARRIER +void omap_barrier_reserve_memblock(void); +void omap_barriers_init(void); +#else +static inline void omap_barrier_reserve_memblock(void) +{ +} +#endif + +/* This gets called from mach-omap2/io.c, do not call this */ +void __init omap2_set_globals_tap(u32 class, void __iomem *tap); + +void __init omap242x_map_io(void); +void __init omap243x_map_io(void); +void __init omap3_map_io(void); +void __init am33xx_map_io(void); +void __init omap4_map_io(void); +void __init omap5_map_io(void); +void __init dra7xx_map_io(void); +void __init ti81xx_map_io(void); + +/** + * omap_test_timeout - busy-loop, testing a condition + * @cond: condition to test until it evaluates to true + * @timeout: maximum number of microseconds in the timeout + * @index: loop index (integer) + * + * Loop waiting for @cond to become true or until at least @timeout + * microseconds have passed. To use, define some integer @index in the + * calling code. After running, if @index == @timeout, then the loop has + * timed out. + */ +#define omap_test_timeout(cond, timeout, index) \ +({ \ + for (index = 0; index < timeout; index++) { \ + if (cond) \ + break; \ + udelay(1); \ + } \ +}) + +void omap_gic_of_init(void); + +#ifdef CONFIG_CACHE_L2X0 +extern void __iomem *omap4_get_l2cache_base(void); +#endif + +struct device_node; + +#ifdef CONFIG_SMP +extern void __iomem *omap4_get_scu_base(void); +#else +static inline void __iomem *omap4_get_scu_base(void) +{ + return NULL; +} +#endif + +extern void gic_dist_disable(void); +extern void gic_dist_enable(void); +extern bool gic_dist_disabled(void); +extern void gic_timer_retrigger(void); +extern void _omap_smc1(u32 fn, u32 arg); +extern void omap4_sar_ram_init(void); +extern void __iomem *omap4_get_sar_ram_base(void); +extern void omap4_mpuss_early_init(void); +extern void omap_do_wfi(void); +extern void omap_interconnect_sync(void); + +#ifdef CONFIG_SMP +/* Needed for secondary core boot */ +extern u32 omap_modify_auxcoreboot0(u32 set_mask, u32 clear_mask); +extern void omap_auxcoreboot_addr(u32 cpu_addr); +extern u32 omap_read_auxcoreboot0(void); + +extern void omap4_cpu_die(unsigned int cpu); +extern int omap4_cpu_kill(unsigned int cpu); + +extern const struct smp_operations omap4_smp_ops; +#endif + +extern u32 omap4_get_cpu1_ns_pa_addr(void); + +#if defined(CONFIG_SMP) && defined(CONFIG_PM) +extern int omap4_mpuss_init(void); +extern int omap4_enter_lowpower(unsigned int cpu, unsigned int power_state, + bool rcuidle); +extern int omap4_hotplug_cpu(unsigned int cpu, unsigned int power_state); +#else +static inline int omap4_enter_lowpower(unsigned int cpu, + unsigned int power_state, + bool rcuidle) +{ + cpu_do_idle(); + return 0; +} + +static inline int omap4_hotplug_cpu(unsigned int cpu, unsigned int power_state) +{ + cpu_do_idle(); + return 0; +} + +static inline int omap4_mpuss_init(void) +{ + return 0; +} + +#endif + +#ifdef CONFIG_ARCH_OMAP4 +void omap4_secondary_startup(void); +void omap4460_secondary_startup(void); +int omap4_finish_suspend(unsigned long cpu_state); +void omap4_cpu_resume(void); +#else +static inline void omap4_secondary_startup(void) +{ +} + +static inline void omap4460_secondary_startup(void) +{ +} +static inline int omap4_finish_suspend(unsigned long cpu_state) +{ + return 0; +} +static inline void omap4_cpu_resume(void) +{ +} +#endif + +#if defined(CONFIG_SOC_OMAP5) || defined(CONFIG_SOC_DRA7XX) +void omap5_secondary_startup(void); +void omap5_secondary_hyp_startup(void); +#else +static inline void omap5_secondary_startup(void) +{ +} + +static inline void omap5_secondary_hyp_startup(void) +{ +} +#endif + +struct omap_system_dma_plat_info; + +void pdata_quirks_init(const struct of_device_id *); +void omap_auxdata_legacy_init(struct device *dev); +void omap_pcs_legacy_init(int irq, void (*rearm)(void)); +extern struct omap_system_dma_plat_info dma_plat_info; + +struct omap_sdrc_params; +extern void omap_sdrc_init(struct omap_sdrc_params *sdrc_cs0, + struct omap_sdrc_params *sdrc_cs1); +extern void omap_reserve(void); + +struct omap_hwmod; +extern int omap_dss_reset(struct omap_hwmod *); + +/* SoC specific clock initializer */ +int omap_clk_init(void); + +#if IS_ENABLED(CONFIG_OMAP_IOMMU) +int omap_iommu_set_pwrdm_constraint(struct platform_device *pdev, bool request, + u8 *pwrst); +#else +static inline int omap_iommu_set_pwrdm_constraint(struct platform_device *pdev, + bool request, u8 *pwrst) +{ + return 0; +} +#endif + +#endif /* __ASSEMBLER__ */ +#endif /* __ARCH_ARM_MACH_OMAP2PLUS_COMMON_H */ |