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nios2/altera_serial_jtag: Switch to resources 

Signed-off-by: Franck Jullien <franck.jullien@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Franck Jullien 2011-07-26 22:07:57 +02:00 committed by Sascha Hauer
parent 2c628dbadd
commit 389f3ea067
1 changed files with 23 additions and 4 deletions
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27
drivers/serial/serial_altera_jtag.c
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@ -30,6 +30,12 @@
#include <asm/io.h>
#include <asm/nios2-io.h>
struct altera_serial_jtag_priv {
struct console_device cdev;
void __iomem *regs;
};
static int altera_serial_jtag_setbaudrate(struct console_device *cdev, int baudrate)
{
return 0;
@ -37,7 +43,10 @@ static int altera_serial_jtag_setbaudrate(struct console_device *cdev, int baudr
static void altera_serial_jtag_putc(struct console_device *cdev, char c)
{
struct nios_jtag *jtag = (struct nios_jtag *)cdev->dev->map_base;
struct altera_serial_jtag_priv *priv = container_of(cdev,
struct altera_serial_jtag_priv, cdev);
struct nios_jtag *jtag = priv->regs;
uint32_t st;
while (1) {
@ -51,14 +60,20 @@ static void altera_serial_jtag_putc(struct console_device *cdev, char c)
static int altera_serial_jtag_tstc(struct console_device *cdev)
{
struct nios_jtag *jtag = (struct nios_jtag *)cdev->dev->map_base;
struct altera_serial_jtag_priv *priv = container_of(cdev,
struct altera_serial_jtag_priv, cdev);
struct nios_jtag *jtag = priv->regs;
return readl(&jtag->control) & NIOS_JTAG_RRDY;
}
static int altera_serial_jtag_getc(struct console_device *cdev)
{
struct nios_jtag *jtag = (struct nios_jtag *)cdev->dev->map_base;
struct altera_serial_jtag_priv *priv = container_of(cdev,
struct altera_serial_jtag_priv, cdev);
struct nios_jtag *jtag = priv->regs;
uint32_t val;
while (1) {
@ -73,8 +88,12 @@ static int altera_serial_jtag_getc(struct console_device *cdev)
static int altera_serial_jtag_probe(struct device_d *dev) {
struct console_device *cdev;
struct altera_serial_jtag_priv *priv;
cdev = malloc(sizeof(struct console_device));
priv = xmalloc(sizeof(*priv));
cdev = &priv->cdev;
priv->regs = dev_request_mem_region(dev, 0);
dev->type_data = cdev;
cdev->dev = dev;
cdev->f_caps = CONSOLE_STDIN | CONSOLE_STDOUT | CONSOLE_STDERR;