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-rw-r--r--drivers/serial/cpm_uart/cpm_uart.h19
-rw-r--r--drivers/serial/cpm_uart/cpm_uart_core.c37
-rw-r--r--drivers/serial/cpm_uart/cpm_uart_cpm1.c2
-rw-r--r--drivers/serial/cpm_uart/cpm_uart_cpm2.c2
-rw-r--r--drivers/serial/imx.c40
5 files changed, 64 insertions, 36 deletions
diff --git a/drivers/serial/cpm_uart/cpm_uart.h b/drivers/serial/cpm_uart/cpm_uart.h
index aa5eb7ddeda9..3b35cb779539 100644
--- a/drivers/serial/cpm_uart/cpm_uart.h
+++ b/drivers/serial/cpm_uart/cpm_uart.h
@@ -5,6 +5,13 @@
*
* Copyright (C) 2004 Freescale Semiconductor, Inc.
*
+ * 2006 (c) MontaVista Software, Inc.
+ * Vitaly Bordug <vbordug@ru.mvista.com>
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ *
*/
#ifndef CPM_UART_H
#define CPM_UART_H
@@ -101,12 +108,13 @@ static inline unsigned long cpu2cpm_addr(void* addr, struct uart_cpm_port *pinfo
int offset;
u32 val = (u32)addr;
/* sane check */
- if ((val >= (u32)pinfo->mem_addr) &&
+ if (likely((val >= (u32)pinfo->mem_addr)) &&
(val<((u32)pinfo->mem_addr + pinfo->mem_size))) {
offset = val - (u32)pinfo->mem_addr;
return pinfo->dma_addr+offset;
}
- printk("%s(): address %x to translate out of range!\n", __FUNCTION__, val);
+ /* something nasty happened */
+ BUG();
return 0;
}
@@ -115,12 +123,13 @@ static inline void *cpm2cpu_addr(unsigned long addr, struct uart_cpm_port *pinfo
int offset;
u32 val = addr;
/* sane check */
- if ((val >= pinfo->dma_addr) &&
- (val<(pinfo->dma_addr + pinfo->mem_size))) {
+ if (likely((val >= pinfo->dma_addr) &&
+ (val<(pinfo->dma_addr + pinfo->mem_size)))) {
offset = val - (u32)pinfo->dma_addr;
return (void*)(pinfo->mem_addr+offset);
}
- printk("%s(): address %x to translate out of range!\n", __FUNCTION__, val);
+ /* something nasty happened */
+ BUG();
return 0;
}
diff --git a/drivers/serial/cpm_uart/cpm_uart_core.c b/drivers/serial/cpm_uart/cpm_uart_core.c
index ced193bf9e1e..969f94900431 100644
--- a/drivers/serial/cpm_uart/cpm_uart_core.c
+++ b/drivers/serial/cpm_uart/cpm_uart_core.c
@@ -12,7 +12,8 @@
*
* Copyright (C) 2004 Freescale Semiconductor, Inc.
* (C) 2004 Intracom, S.A.
- * (C) 2005 MontaVista Software, Inc. by Vitaly Bordug <vbordug@ru.mvista.com>
+ * (C) 2005-2006 MontaVista Software, Inc.
+ * Vitaly Bordug <vbordug@ru.mvista.com>
*
* 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
@@ -81,7 +82,7 @@ early_uart_get_pdev(int index)
}
-void cpm_uart_count(void)
+static void cpm_uart_count(void)
{
cpm_uart_nr = 0;
#ifdef CONFIG_SERIAL_CPM_SMC1
@@ -104,6 +105,21 @@ void cpm_uart_count(void)
#endif
}
+/* Get UART number by its id */
+static int cpm_uart_id2nr(int id)
+{
+ int i;
+ if (id < UART_NR) {
+ for (i=0; i<UART_NR; i++) {
+ if (cpm_uart_port_map[i] == id)
+ return i;
+ }
+ }
+
+ /* not found or invalid argument */
+ return -1;
+}
+
/*
* Check, if transmit buffers are processed
*/
@@ -457,7 +473,11 @@ static void cpm_uart_shutdown(struct uart_port *port)
}
/* Shut them really down and reinit buffer descriptors */
- cpm_line_cr_cmd(line, CPM_CR_STOP_TX);
+ if (IS_SMC(pinfo))
+ cpm_line_cr_cmd(line, CPM_CR_STOP_TX);
+ else
+ cpm_line_cr_cmd(line, CPM_CR_GRA_STOP_TX);
+
cpm_uart_initbd(pinfo);
}
}
@@ -1008,7 +1028,11 @@ int cpm_uart_drv_get_platform_data(struct platform_device *pdev, int is_con)
int line;
u32 mem, pram;
- for (line=0; line<UART_NR && cpm_uart_port_map[line]!=pdata->fs_no; line++);
+ line = cpm_uart_id2nr(idx);
+ if(line < 0) {
+ printk(KERN_ERR"%s(): port %d is not registered", __FUNCTION__, idx);
+ return -1;
+ }
pinfo = (struct uart_cpm_port *) &cpm_uart_ports[idx];
@@ -1241,8 +1265,7 @@ static int cpm_uart_drv_probe(struct device *dev)
}
pdata = pdev->dev.platform_data;
- pr_debug("cpm_uart_drv_probe: Adding CPM UART %d\n",
- cpm_uart_port_map[pdata->fs_no]);
+ pr_debug("cpm_uart_drv_probe: Adding CPM UART %d\n", cpm_uart_id2nr(pdata->fs_no));
if ((ret = cpm_uart_drv_get_platform_data(pdev, 0)))
return ret;
@@ -1261,7 +1284,7 @@ static int cpm_uart_drv_remove(struct device *dev)
struct fs_uart_platform_info *pdata = pdev->dev.platform_data;
pr_debug("cpm_uart_drv_remove: Removing CPM UART %d\n",
- cpm_uart_port_map[pdata->fs_no]);
+ cpm_uart_id2nr(pdata->fs_no));
uart_remove_one_port(&cpm_reg, &cpm_uart_ports[pdata->fs_no].port);
return 0;
diff --git a/drivers/serial/cpm_uart/cpm_uart_cpm1.c b/drivers/serial/cpm_uart/cpm_uart_cpm1.c
index a5a30622637a..17406a05ce1f 100644
--- a/drivers/serial/cpm_uart/cpm_uart_cpm1.c
+++ b/drivers/serial/cpm_uart/cpm_uart_cpm1.c
@@ -8,6 +8,8 @@
*
* Copyright (C) 2004 Freescale Semiconductor, Inc.
* (C) 2004 Intracom, S.A.
+ * (C) 2006 MontaVista Software, Inc.
+ * Vitaly Bordug <vbordug@ru.mvista.com>
*
* 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
diff --git a/drivers/serial/cpm_uart/cpm_uart_cpm2.c b/drivers/serial/cpm_uart/cpm_uart_cpm2.c
index 7c6b07aeea92..4b2de08f46d0 100644
--- a/drivers/serial/cpm_uart/cpm_uart_cpm2.c
+++ b/drivers/serial/cpm_uart/cpm_uart_cpm2.c
@@ -8,6 +8,8 @@
*
* Copyright (C) 2004 Freescale Semiconductor, Inc.
* (C) 2004 Intracom, S.A.
+ * (C) 2006 MontaVista Software, Inc.
+ * Vitaly Bordug <vbordug@ru.mvista.com>
*
* 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
diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c
index c3b7a6673e9c..d202eb4f3848 100644
--- a/drivers/serial/imx.c
+++ b/drivers/serial/imx.c
@@ -45,6 +45,7 @@
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/hardware.h>
+#include <asm/arch/imx-uart.h>
/* We've been assigned a range on the "Low-density serial ports" major */
#define SERIAL_IMX_MAJOR 204
@@ -73,7 +74,8 @@ struct imx_port {
struct uart_port port;
struct timer_list timer;
unsigned int old_status;
- int txirq,rxirq,rtsirq;
+ int txirq,rxirq,rtsirq;
+ int have_rtscts:1;
};
/*
@@ -491,8 +493,12 @@ imx_set_termios(struct uart_port *port, struct termios *termios,
ucr2 = UCR2_SRST | UCR2_IRTS;
if (termios->c_cflag & CRTSCTS) {
- ucr2 &= ~UCR2_IRTS;
- ucr2 |= UCR2_CTSC;
+ if( sport->have_rtscts ) {
+ ucr2 &= ~UCR2_IRTS;
+ ucr2 |= UCR2_CTSC;
+ } else {
+ termios->c_cflag &= ~CRTSCTS;
+ }
}
if (termios->c_cflag & CSTOPB)
@@ -719,27 +725,6 @@ static void __init imx_init_ports(void)
imx_ports[i].timer.function = imx_timeout;
imx_ports[i].timer.data = (unsigned long)&imx_ports[i];
}
-
- imx_gpio_mode(PC9_PF_UART1_CTS);
- imx_gpio_mode(PC10_PF_UART1_RTS);
- imx_gpio_mode(PC11_PF_UART1_TXD);
- imx_gpio_mode(PC12_PF_UART1_RXD);
- imx_gpio_mode(PB28_PF_UART2_CTS);
- imx_gpio_mode(PB29_PF_UART2_RTS);
-
- imx_gpio_mode(PB30_PF_UART2_TXD);
- imx_gpio_mode(PB31_PF_UART2_RXD);
-
-#if 0 /* We don't need these, on the mx1 the _modem_ side of the uart
- * is implemented.
- */
- imx_gpio_mode(PD7_AF_UART2_DTR);
- imx_gpio_mode(PD8_AF_UART2_DCD);
- imx_gpio_mode(PD9_AF_UART2_RI);
- imx_gpio_mode(PD10_AF_UART2_DSR);
-#endif
-
-
}
#ifdef CONFIG_SERIAL_IMX_CONSOLE
@@ -932,7 +917,14 @@ static int serial_imx_resume(struct platform_device *dev)
static int serial_imx_probe(struct platform_device *dev)
{
+ struct imxuart_platform_data *pdata;
+
imx_ports[dev->id].port.dev = &dev->dev;
+
+ pdata = (struct imxuart_platform_data *)dev->dev.platform_data;
+ if(pdata && (pdata->flags & IMXUART_HAVE_RTSCTS))
+ imx_ports[dev->id].have_rtscts = 1;
+
uart_add_one_port(&imx_reg, &imx_ports[dev->id].port);
platform_set_drvdata(dev, &imx_ports[dev->id]);
return 0;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-16 07:09:21 +0000