PulkoMandy
97675f2fc4
The uart virtual address changes as soon as we apply the kernel memory map. gUART is used only after that, from serial_init() onwards. So it should use the virtual address, and not the physical address it was previously created with while parsing the FDT. Change-Id: I8c8a024fe564b49d6555f8e48f5ab31652d30708 Reviewed-on: https://review.haiku-os.org/c/haiku/+/10068 Reviewed-by: Fredrik Holmqvist <[email protected]> Tested-by: Commit checker robot <[email protected]> Reviewed-by: waddlesplash <[email protected]>
56 lines
1.2 KiB
C++
56 lines
1.2 KiB
C++
/*
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* Copyright 2012 Haiku, Inc. All rights reserved.
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* Distributed under the terms of the MIT License.
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*
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* Authors:
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* François Revol, [email protected]
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*/
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#ifndef _KERNEL_ARCH_DEBUG_UART_H
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#define _KERNEL_ARCH_DEBUG_UART_H
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#include <sys/types.h>
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#include <SupportDefs.h>
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class DebugUART {
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public:
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DebugUART(addr_t base, int64 clock)
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: fBase(base),
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fClock(clock),
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fEnabled(true) {};
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~DebugUART() {};
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virtual void InitEarly() {};
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virtual void Init() {};
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virtual void InitPort(uint32 baud) {};
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virtual void Enable() { fEnabled = true; }
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virtual void Disable() { fEnabled = false; }
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virtual int PutChar(char c) = 0;
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virtual int GetChar(bool wait) = 0;
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virtual void FlushTx() = 0;
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virtual void FlushRx() = 0;
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void SetBase(addr_t base) { fBase = base; }
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addr_t Base() const { return fBase; }
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int64 Clock() const { return fClock; }
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bool Enabled() const { return fEnabled; }
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protected:
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virtual void Out8(int reg, uint8 value);
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virtual uint8 In8(int reg);
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virtual void Barrier();
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private:
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addr_t fBase;
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int64 fClock;
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bool fEnabled;
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};
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#endif /* _KERNEL_ARCH_DEBUG_UART_H */
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