// The Potato Processor Benchmark Applications
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// The Potato Processor Benchmark Applications
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// (c) Kristian Klomsten Skordal 2015 <kristian.skordal@wafflemail.net>
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// (c) Kristian Klomsten Skordal 2015 <kristian.skordal@wafflemail.net>
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// Report bugs and issues on <http://opencores.org/project,potato,bugtracker>
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// Report bugs and issues on <http://opencores.org/project,potato,bugtracker>
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// This file contains various platform details. The default defines in this file
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// This file contains various platform details. The default defines in this file
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// correspond to the "official" test platform, the Potato SoC for the Nexys4 board.
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// correspond to the "official" test platform, the Potato SoC for the Nexys4 board.
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#ifndef PLATFORM_H
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#ifndef PLATFORM_H
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#define PLATFORM_H
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#define PLATFORM_H
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// Clock frequency in Hz:
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// Clock frequency in Hz:
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#define SYSTEM_CLK_FREQ 60000000
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#define SYSTEM_CLK_FREQ 50000000
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// Macro for using the addresses below in C code:
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// Macro for using the addresses below in C code:
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#define IO_ADDRESS(x) ((volatile void *) x)
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#define IO_ADDRESS(x) ((volatile void *) x)
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// Base addresses for the various peripherals in the system:
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// Base addresses for the various peripherals in the system:
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#define IMEM_BASE 0x00000000
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#define IMEM_BASE 0x00000000
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#define DMEM_BASE 0x00002000
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#define DMEM_BASE 0x00002000
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#define GPIO1_BASE 0x00004000
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#define GPIO1_BASE 0x00004000
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#define GPIO2_BASE 0x00004800
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#define GPIO2_BASE 0x00004800
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#define UART_BASE 0x00005000
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#define UART_BASE 0x00005000
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#define TIMER_BASE 0x00005800
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#define TIMER_BASE 0x00005800
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// IRQs:
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// IRQs:
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#define EXTERNAL_IRQ 0
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#define EXTERNAL_IRQ 0
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#define TIMER_IRQ 5
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#define TIMER_IRQ 5
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// GPIO register offsets:
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// GPIO register offsets:
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#define GPIO_INPUT 0
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#define GPIO_INPUT 0
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#define GPIO_OUTPUT 4
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#define GPIO_OUTPUT 4
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#define GPIO_DIR 8
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#define GPIO_DIR 8
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// UART register offsets:
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// UART register offsets:
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#define UART_TX 0
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#define UART_TX 0
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#define UART_RX 4
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#define UART_RX 4
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#define UART_STATUS 8
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#define UART_STATUS 8
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// Timer register offsets:
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// Timer register offsets:
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#define TIMER_CTRL 0
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#define TIMER_CTRL 0
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#define TIMER_COMPARE 4
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#define TIMER_COMPARE 4
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#define TIMER_COUNTER 8
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#define TIMER_COUNTER 8
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// Timer control register bits:
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// Timer control register bits:
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#define TIMER_CTRL_RUN 0
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#define TIMER_CTRL_RUN 0
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#define TIMER_CTRL_CLEAR 1
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#define TIMER_CTRL_CLEAR 1
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#endif
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#endif
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