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@@ -18,7 +18,25 @@
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#include <Uefi.h>
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#include <Protocol/SerialIo.h>
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+#define PL011_VARIANT_ZTE 1
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+
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// PL011 Registers
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+#if FixedPcdGet8 (PL011UartRegOffsetVariant) == PL011_VARIANT_ZTE
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+#define UARTDR 0x004
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+#define UARTRSR 0x010
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+#define UARTECR 0x010
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+#define UARTFR 0x014
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+#define UARTIBRD 0x024
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+#define UARTFBRD 0x028
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+#define UARTLCR_H 0x030
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+#define UARTCR 0x034
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+#define UARTIFLS 0x038
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+#define UARTIMSC 0x040
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+#define UARTRIS 0x044
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+#define UARTMIS 0x048
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+#define UARTICR 0x04c
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+#define UARTDMACR 0x050
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+#else
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#define UARTDR 0x000
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#define UARTRSR 0x004
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#define UARTECR 0x004
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@@ -34,6 +52,7 @@
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#define UARTMIS 0x040
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#define UARTICR 0x044
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#define UARTDMACR 0x048
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+#endif
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#define UARTPID0 0xFE0
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#define UARTPID1 0xFE4
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@@ -47,6 +66,17 @@
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#define UART_STATUS_ERROR_MASK 0x0F
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// Flag reg bits
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+#if FixedPcdGet8 (PL011UartRegOffsetVariant) == PL011_VARIANT_ZTE
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+#define PL011_UARTFR_RI (1 << 0) // Ring indicator
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+#define PL011_UARTFR_TXFE (1 << 7) // Transmit FIFO empty
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+#define PL011_UARTFR_RXFF (1 << 6) // Receive FIFO full
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+#define PL011_UARTFR_TXFF (1 << 5) // Transmit FIFO full
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+#define PL011_UARTFR_RXFE (1 << 4) // Receive FIFO empty
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+#define PL011_UARTFR_BUSY (1 << 8) // UART busy
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+#define PL011_UARTFR_DCD (1 << 2) // Data carrier detect
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+#define PL011_UARTFR_DSR (1 << 3) // Data set ready
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+#define PL011_UARTFR_CTS (1 << 1) // Clear to send
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+#else
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#define PL011_UARTFR_RI (1 << 8) // Ring indicator
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#define PL011_UARTFR_TXFE (1 << 7) // Transmit FIFO empty
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#define PL011_UARTFR_RXFF (1 << 6) // Receive FIFO full
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@@ -56,6 +86,7 @@
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#define PL011_UARTFR_DCD (1 << 2) // Data carrier detect
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#define PL011_UARTFR_DSR (1 << 1) // Data set ready
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#define PL011_UARTFR_CTS (1 << 0) // Clear to send
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+#endif
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// Flag reg bits - alternative names
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#define UART_TX_EMPTY_FLAG_MASK PL011_UARTFR_TXFE
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