mirror of
git://projects.qi-hardware.com/nn-usb-fpga.git
synced 2025-03-13 16:29:11 +02:00
30 lines
478 B
C++
30 lines
478 B
C++
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/*
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* SIE FPGA init
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*
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*/
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#include "jz_fpga_init.h"
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JZ_REG *
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jz_cs2_init()
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{
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JZ_PIO *pio;
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JZ_REG *virt_addr;
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pio = jz_gpio_map (CS2_PORT);
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jz_gpio_as_func (pio, CS2_PIN, 0);
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virt_addr = (JZ_REG *) (jz_mmap(0x13010000) + 0x18);
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if (*virt_addr != 0x0FFF7700)
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{
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*virt_addr = 0x0FFF7700;
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printf ("ADC: Configuring CS2 8 bits and 0 WS.\n");
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}
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else
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printf ("ADC: CS2, already configured.\n");
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virt_addr = (JZ_REG *) jz_mmap (0x14000000);
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return virt_addr;
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}
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