upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/board/MAI/AmigaOneG3SE/via686.h

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#ifndef VIA686_H_
#define VIA686_H_
#define CMOS_ADDR 0x70
#define CMOS_DATA 0x71
#define I8259_MASTER_CONTROL 0x20
#define I8259_MASTER_MASK 0x21
#define I8259_SLAVE_CONTROL 0xA0
#define I8259_SLAVE_MASK 0xA1
#define SIO_CONFIG_ADDR 0x3F0
#define SIO_CONFIG_DATA 0x3F1
#define SIO_WRITE_CONFIG(addr, byte) \
out_byte(SIO_CONFIG_ADDR, addr); \
out_byte(SIO_CONFIG_DATA, byte);
#define SIO_READ_CONFIG(addr, byte) \
out_byte(SIO_CONFIG_ADDR, addr); \
byte = in_byte(SIO_CONFIG_DATA);
void via_init(void);
void via_calibrate_bus_freq(void);
#endif