98ed4ceb93
This patch gets rid of the MMIO_P2V and __MMIO_P2V macros, defining constant virtual base for motherboard and tile peripherals instead. Additionally, in preparation for the new motherboard memory map, the motherboard peripherals are using base pointers calculated in runtime, instead of compile-time calculated values. Signed-off-by: Pawel Moll <pawel.moll@arm.com>
35 lines
1.2 KiB
C
35 lines
1.2 KiB
C
#ifndef __ASM_ARM_HARDWARE_ARM_TIMER_H
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#define __ASM_ARM_HARDWARE_ARM_TIMER_H
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/*
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* ARM timer implementation, found in Integrator, Versatile and Realview
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* platforms. Not all platforms support all registers and bits in these
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* registers, so we mark them with A for Integrator AP, C for Integrator
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* CP, V for Versatile and R for Realview.
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*
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* Integrator AP has 16-bit timers, Integrator CP, Versatile and Realview
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* can have 16-bit or 32-bit selectable via a bit in the control register.
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*
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* Every SP804 contains two identical timers.
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*/
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#define TIMER_1_BASE 0x00
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#define TIMER_2_BASE 0x20
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#define TIMER_LOAD 0x00 /* ACVR rw */
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#define TIMER_VALUE 0x04 /* ACVR ro */
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#define TIMER_CTRL 0x08 /* ACVR rw */
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#define TIMER_CTRL_ONESHOT (1 << 0) /* CVR */
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#define TIMER_CTRL_32BIT (1 << 1) /* CVR */
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#define TIMER_CTRL_DIV1 (0 << 2) /* ACVR */
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#define TIMER_CTRL_DIV16 (1 << 2) /* ACVR */
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#define TIMER_CTRL_DIV256 (2 << 2) /* ACVR */
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#define TIMER_CTRL_IE (1 << 5) /* VR */
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#define TIMER_CTRL_PERIODIC (1 << 6) /* ACVR */
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#define TIMER_CTRL_ENABLE (1 << 7) /* ACVR */
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#define TIMER_INTCLR 0x0c /* ACVR wo */
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#define TIMER_RIS 0x10 /* CVR ro */
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#define TIMER_MIS 0x14 /* CVR ro */
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#define TIMER_BGLOAD 0x18 /* CVR rw */
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#endif
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