MIPS: OCTEON: Remove custom serial setup code.

We will use 8250_dw instead.

Signed-off-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Cc: Jamie Iles <jamie@jamieiles.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jiri Slaby <jslaby@suse.cz>
Cc: linux-serial@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/5517/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --git a/arch/mips/cavium-octeon/Makefile b/arch/mips/cavium-octeon/Makefile
index 3595aff..b703583 100644 (file)
--- a/arch/mips/cavium-octeon/Makefile
+++ b/arch/mips/cavium-octeon/Makefile
@@ -12,7 +12,7 @@
 CFLAGS_octeon-platform.o = -I$(src)/../../../scripts/dtc/libfdt
 CFLAGS_setup.o = -I$(src)/../../../scripts/dtc/libfdt
 
-obj-y := cpu.o setup.o serial.o octeon-platform.o octeon-irq.o csrc-octeon.o
+obj-y := cpu.o setup.o octeon-platform.o octeon-irq.o csrc-octeon.o
 obj-y += dma-octeon.o flash_setup.o
 obj-y += octeon-memcpy.o
 obj-y += executive/

diff --git a/arch/mips/cavium-octeon/serial.c b/arch/mips/cavium-octeon/serial.c
deleted file mode 100644 (file)
index f393f65..0000000
--- a/arch/mips/cavium-octeon/serial.c
+++ /dev/null
@@ -1,109 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2004-2007 Cavium Networks
- */
-#include <linux/console.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/platform_device.h>
-#include <linux/serial.h>
-#include <linux/serial_8250.h>
-#include <linux/serial_reg.h>
-#include <linux/tty.h>
-#include <linux/irq.h>
-
-#include <asm/time.h>
-
-#include <asm/octeon/octeon.h>
-
-#define DEBUG_UART 1
-
-unsigned int octeon_serial_in(struct uart_port *up, int offset)
-{
-       int rv = cvmx_read_csr((uint64_t)(up->membase + (offset << 3)));
-       if (offset == UART_IIR && (rv & 0xf) == 7) {
-               /* Busy interrupt, read the USR (39) and try again. */
-               cvmx_read_csr((uint64_t)(up->membase + (39 << 3)));
-               rv = cvmx_read_csr((uint64_t)(up->membase + (offset << 3)));
-       }
-       return rv;
-}
-
-void octeon_serial_out(struct uart_port *up, int offset, int value)
-{
-       /*
-        * If bits 6 or 7 of the OCTEON UART's LCR are set, it quits
-        * working.
-        */
-       if (offset == UART_LCR)
-               value &= 0x9f;
-       cvmx_write_csr((uint64_t)(up->membase + (offset << 3)), (u8)value);
-}
-
-static int octeon_serial_probe(struct platform_device *pdev)
-{
-       int irq, res;
-       struct resource *res_mem;
-       struct uart_8250_port up;
-
-       /* All adaptors have an irq.  */
-       irq = platform_get_irq(pdev, 0);
-       if (irq < 0)
-               return irq;
-
-       memset(&up, 0, sizeof(up));
-
-       up.port.flags = ASYNC_SKIP_TEST | UPF_SHARE_IRQ | UPF_FIXED_TYPE;
-       up.port.type = PORT_OCTEON;
-       up.port.iotype = UPIO_MEM;
-       up.port.regshift = 3;
-       up.port.dev = &pdev->dev;
-
-       if (octeon_is_simulation())
-               /* Make simulator output fast*/
-               up.port.uartclk = 115200 * 16;
-       else
-               up.port.uartclk = octeon_get_io_clock_rate();
-
-       up.port.serial_in = octeon_serial_in;
-       up.port.serial_out = octeon_serial_out;
-       up.port.irq = irq;
-
-       res_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       if (res_mem == NULL) {
-               dev_err(&pdev->dev, "found no memory resource\n");
-               return -ENXIO;
-       }
-       up.port.mapbase = res_mem->start;
-       up.port.membase = ioremap(res_mem->start, resource_size(res_mem));
-
-       res = serial8250_register_8250_port(&up);
-
-       return res >= 0 ? 0 : res;
-}
-
-static struct of_device_id octeon_serial_match[] = {
-       {
-               .compatible = "cavium,octeon-3860-uart",
-       },
-       {},
-};
-MODULE_DEVICE_TABLE(of, octeon_serial_match);
-
-static struct platform_driver octeon_serial_driver = {
-       .probe          = octeon_serial_probe,
-       .driver         = {
-               .owner  = THIS_MODULE,
-               .name   = "octeon_serial",
-               .of_match_table = octeon_serial_match,
-       },
-};
-
-static int __init octeon_serial_init(void)
-{
-       return platform_driver_register(&octeon_serial_driver);
-}
-late_initcall(octeon_serial_init);