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Diffstat (limited to 'arch/tile/include/gxio/uart.h')
-rw-r--r--arch/tile/include/gxio/uart.h105
1 files changed, 0 insertions, 105 deletions
diff --git a/arch/tile/include/gxio/uart.h b/arch/tile/include/gxio/uart.h
deleted file mode 100644
index 438ee7e46c7b..000000000000
--- a/arch/tile/include/gxio/uart.h
+++ /dev/null
@@ -1,105 +0,0 @@
-/*
- * Copyright 2013 Tilera Corporation. All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation, version 2.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
- * NON INFRINGEMENT. See the GNU General Public License for
- * more details.
- */
-
-#ifndef _GXIO_UART_H_
-#define _GXIO_UART_H_
-
-#include "common.h"
-
-#include <hv/drv_uart_intf.h>
-#include <hv/iorpc.h>
-
-/*
- *
- * An API for manipulating UART interface.
- */
-
-/*
- *
- * The Rshim allows access to the processor's UART interface.
- */
-
-/* A context object used to manage UART resources. */
-typedef struct {
-
- /* File descriptor for calling up to the hypervisor. */
- int fd;
-
- /* The VA at which our MMIO registers are mapped. */
- char *mmio_base;
-
-} gxio_uart_context_t;
-
-/* Request UART interrupts.
- *
- * Request that interrupts be delivered to a tile when the UART's
- * Receive FIFO is written, or the Write FIFO is read.
- *
- * @param context Pointer to a properly initialized gxio_uart_context_t.
- * @param bind_cpu_x X coordinate of CPU to which interrupt will be delivered.
- * @param bind_cpu_y Y coordinate of CPU to which interrupt will be delivered.
- * @param bind_interrupt IPI interrupt number.
- * @param bind_event Sub-interrupt event bit number; a negative value can
- * disable the interrupt.
- * @return Zero if all of the requested UART events were successfully
- * configured to interrupt.
- */
-extern int gxio_uart_cfg_interrupt(gxio_uart_context_t *context,
- int bind_cpu_x,
- int bind_cpu_y,
- int bind_interrupt, int bind_event);
-
-/* Initialize a UART context.
- *
- * A properly initialized context must be obtained before any of the other
- * gxio_uart routines may be used.
- *
- * @param context Pointer to a gxio_uart_context_t, which will be initialized
- * by this routine, if it succeeds.
- * @param uart_index Index of the UART to use.
- * @return Zero if the context was successfully initialized, else a
- * GXIO_ERR_xxx error code.
- */
-extern int gxio_uart_init(gxio_uart_context_t *context, int uart_index);
-
-/* Destroy a UART context.
- *
- * Once destroyed, a context may not be used with any gxio_uart routines
- * other than gxio_uart_init(). After this routine returns, no further
- * interrupts requested on this context will be delivered. The state and
- * configuration of the pins which had been attached to this context are
- * unchanged by this operation.
- *
- * @param context Pointer to a gxio_uart_context_t.
- * @return Zero if the context was successfully destroyed, else a
- * GXIO_ERR_xxx error code.
- */
-extern int gxio_uart_destroy(gxio_uart_context_t *context);
-
-/* Write UART register.
- * @param context Pointer to a gxio_uart_context_t.
- * @param offset UART register offset.
- * @param word Data will be wrote to UART reigister.
- */
-extern void gxio_uart_write(gxio_uart_context_t *context, uint64_t offset,
- uint64_t word);
-
-/* Read UART register.
- * @param context Pointer to a gxio_uart_context_t.
- * @param offset UART register offset.
- * @return Data read from UART register.
- */
-extern uint64_t gxio_uart_read(gxio_uart_context_t *context, uint64_t offset);
-
-#endif /* _GXIO_UART_H_ */