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authorSascha Hauer <s.hauer@pengutronix.de>2019-10-17 08:10:11 +0200
committerSascha Hauer <s.hauer@pengutronix.de>2019-10-17 08:10:11 +0200
commit20b15591f17289f25da61099ef1e2eb1b8d8871f (patch)
treefdac3d67fd30654d63633e5649df1fddbb336cfd /drivers/serial
parent2817ad889bafa33883031df4461ffb6339369bce (diff)
parentffe922ce9aa71520f206bd67a99944158a719f99 (diff)
downloadbarebox-20b15591f17289f25da61099ef1e2eb1b8d8871f.tar.gz
Merge branch 'for-next/bfin'
Diffstat (limited to 'drivers/serial')
-rw-r--r--drivers/serial/Kconfig5
-rw-r--r--drivers/serial/Makefile1
-rw-r--r--drivers/serial/serial_blackfin.c132
3 files changed, 0 insertions, 138 deletions
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index c5bce2f..7a411d4 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -64,11 +64,6 @@ config DRIVER_SERIAL_MPC5XXX
default y
bool "MPC5200 serial driver"
-config DRIVER_SERIAL_BLACKFIN
- depends on BLACKFIN
- default y
- bool "Blackfin serial driver"
-
config DRIVER_SERIAL_CLPS711X
depends on ARCH_CLPS711X
default y
diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile
index 993e5d6..6f9e3b7 100644
--- a/drivers/serial/Makefile
+++ b/drivers/serial/Makefile
@@ -7,7 +7,6 @@ obj-$(CONFIG_DRIVER_SERIAL_STM378X) += stm-serial.o
obj-$(CONFIG_DRIVER_SERIAL_ATMEL) += atmel.o
obj-$(CONFIG_DRIVER_SERIAL_LINUX_CONSOLE) += linux_console.o
obj-$(CONFIG_DRIVER_SERIAL_MPC5XXX) += serial_mpc5xxx.o
-obj-$(CONFIG_DRIVER_SERIAL_BLACKFIN) += serial_blackfin.o
obj-$(CONFIG_DRIVER_SERIAL_CLPS711X) += serial_clps711x.o
obj-$(CONFIG_DRIVER_SERIAL_NS16550) += serial_ns16550.o
obj-$(CONFIG_DRIVER_SERIAL_PL010) += serial_pl010.o
diff --git a/drivers/serial/serial_blackfin.c b/drivers/serial/serial_blackfin.c
deleted file mode 100644
index 2122226..0000000
--- a/drivers/serial/serial_blackfin.c
+++ /dev/null
@@ -1,132 +0,0 @@
-/*
- * (C) Copyright 2005
- * Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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; either version 2 of
- * the License, or (at your option) any later version.
- *
- * 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. See the
- * GNU General Public License for more details.
- *
- */
-
-#include <common.h>
-#include <driver.h>
-#include <init.h>
-#include <malloc.h>
-#include <io.h>
-#include <asm/blackfin.h>
-
-#define UART_IER_ERBFI 0x01
-#define UART_IER_ETBEI 0x02
-#define UART_IER_ELSI 0x04
-#define UART_IER_EDDSI 0x08
-
-#define UART_IIR_NOINT 0x01
-#define UART_IIR_STATUS 0x06
-#define UART_IIR_LSR 0x06
-#define UART_IIR_RBR 0x04
-#define UART_IIR_THR 0x02
-#define UART_IIR_MSR 0x00
-
-#define UART_LCR_WLS5 0
-#define UART_LCR_WLS6 0x01
-#define UART_LCR_WLS7 0x02
-#define UART_LCR_WLS8 0x03
-#define UART_LCR_STB 0x04
-#define UART_LCR_PEN 0x08
-#define UART_LCR_EPS 0x10
-#define UART_LCR_SP 0x20
-#define UART_LCR_SB 0x40
-#define UART_LCR_DLAB 0x80
-
-#define UART_LSR_DR 0x01
-#define UART_LSR_OE 0x02
-#define UART_LSR_PE 0x04
-#define UART_LSR_FE 0x08
-#define UART_LSR_BI 0x10
-#define UART_LSR_THRE 0x20
-#define UART_LSR_TEMT 0x40
-
-#define UART_GCTL_UCEN 0x01
-
-static int blackfin_serial_setbaudrate(struct console_device *cdev, int baudrate)
-{
- int divisor, oldlcr;
-
- oldlcr = readw(UART_LCR);
-
- divisor = (get_sclk() + (baudrate * 0)) / (baudrate * 16);
-
- /* Set DLAB in LCR to Access DLL and DLH */
- writew(UART_LCR_DLAB, UART_LCR);
-
- writew(divisor & 0xff, UART_DLL);
- writew((divisor >> 8) & 0xff, UART_DLH);
-
- /* Clear DLAB in LCR to Access THR RBR IER */
- writew(oldlcr, UART_LCR);
-
- return 0;
-}
-
-static int blackfin_serial_init_port(struct console_device *cdev)
-{
- /* Enable UART */
- writew(UART_GCTL_UCEN, UART_GCTL);
-
- /* Set LCR to Word Lengh 8-bit word select */
- writew(UART_LCR_WLS8, UART_LCR);
-
- return 0;
-}
-
-static void blackfin_serial_putc(struct console_device *cdev, char c)
-{
- while (!(readw(UART_LSR) & UART_LSR_TEMT));
-
- writew(c, UART_THR);
-}
-
-static int blackfin_serial_getc(struct console_device *cdev)
-{
- while (!(readw(UART_LSR) & UART_LSR_DR));
-
- return readw(UART_RBR);
-}
-
-static int blackfin_serial_tstc(struct console_device *cdev)
-{
- return (readw(UART_LSR) & UART_LSR_DR) ? 1 : 0;
-}
-
-static int blackfin_serial_probe(struct device_d *dev)
-{
- struct console_device *cdev;
-
- cdev = xzalloc(sizeof(struct console_device));
- cdev->dev = dev;
- cdev->tstc = blackfin_serial_tstc;
- cdev->putc = blackfin_serial_putc;
- cdev->getc = blackfin_serial_getc;
- cdev->setbrg = blackfin_serial_setbaudrate;
-
- blackfin_serial_init_port(cdev);
-
- console_register(cdev);
-
- return 0;
-}
-
-static struct driver_d blackfin_serial_driver = {
- .name = "blackfin_serial",
- .probe = blackfin_serial_probe,
-};
-console_platform_driver(blackfin_serial_driver);