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Diffstat (limited to 'arch/tile/gxio/uart.c')
-rw-r--r--arch/tile/gxio/uart.c87
1 files changed, 0 insertions, 87 deletions
diff --git a/arch/tile/gxio/uart.c b/arch/tile/gxio/uart.c
deleted file mode 100644
index ba585175ef88..000000000000
--- a/arch/tile/gxio/uart.c
+++ /dev/null
@@ -1,87 +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.
- */
-
-/*
- * Implementation of UART gxio calls.
- */
-
-#include <linux/io.h>
-#include <linux/errno.h>
-#include <linux/module.h>
-
-#include <gxio/uart.h>
-#include <gxio/iorpc_globals.h>
-#include <gxio/iorpc_uart.h>
-#include <gxio/kiorpc.h>
-
-int gxio_uart_init(gxio_uart_context_t *context, int uart_index)
-{
- char file[32];
- int fd;
-
- snprintf(file, sizeof(file), "uart/%d/iorpc", uart_index);
- fd = hv_dev_open((HV_VirtAddr) file, 0);
- if (fd < 0) {
- if (fd >= GXIO_ERR_MIN && fd <= GXIO_ERR_MAX)
- return fd;
- else
- return -ENODEV;
- }
-
- context->fd = fd;
-
- /* Map in the MMIO space. */
- context->mmio_base = (void __force *)
- iorpc_ioremap(fd, HV_UART_MMIO_OFFSET, HV_UART_MMIO_SIZE);
-
- if (context->mmio_base == NULL) {
- hv_dev_close(context->fd);
- context->fd = -1;
- return -ENODEV;
- }
-
- return 0;
-}
-
-EXPORT_SYMBOL_GPL(gxio_uart_init);
-
-int gxio_uart_destroy(gxio_uart_context_t *context)
-{
- iounmap((void __force __iomem *)(context->mmio_base));
- hv_dev_close(context->fd);
-
- context->mmio_base = NULL;
- context->fd = -1;
-
- return 0;
-}
-
-EXPORT_SYMBOL_GPL(gxio_uart_destroy);
-
-/* UART register write wrapper. */
-void gxio_uart_write(gxio_uart_context_t *context, uint64_t offset,
- uint64_t word)
-{
- __gxio_mmio_write(context->mmio_base + offset, word);
-}
-
-EXPORT_SYMBOL_GPL(gxio_uart_write);
-
-/* UART register read wrapper. */
-uint64_t gxio_uart_read(gxio_uart_context_t *context, uint64_t offset)
-{
- return __gxio_mmio_read(context->mmio_base + offset);
-}
-
-EXPORT_SYMBOL_GPL(gxio_uart_read);