serial: ns16550: Add device ids for omap
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
parent
d4aa015033
commit
9ed42fa866
|
@ -21,6 +21,6 @@ static struct NS16550_plat serial_plat = {
|
||||||
|
|
||||||
struct device_d *omap_add_uart(int id, unsigned long base)
|
struct device_d *omap_add_uart(int id, unsigned long base)
|
||||||
{
|
{
|
||||||
return add_ns16550_device(id, base, 1024,
|
return add_generic_device("omap-uart", id, NULL, base, 1024,
|
||||||
IORESOURCE_MEM_8BIT, &serial_plat);
|
IORESOURCE_MEM | IORESOURCE_MEM_8BIT, &serial_plat);
|
||||||
}
|
}
|
||||||
|
|
|
@ -55,6 +55,10 @@ static inline struct ns16550_priv *to_ns16550_priv(struct console_device *cdev)
|
||||||
return container_of(cdev, struct ns16550_priv, cdev);
|
return container_of(cdev, struct ns16550_priv, cdev);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
struct ns16550_drvdata {
|
||||||
|
void (*init_port)(struct console_device *cdev);
|
||||||
|
};
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* @brief read register
|
* @brief read register
|
||||||
*
|
*
|
||||||
|
@ -178,14 +182,16 @@ static void ns16550_serial_init_port(struct console_device *cdev)
|
||||||
/* initializing the device for the first time */
|
/* initializing the device for the first time */
|
||||||
ns16550_write(cdev, 0x00, lcr); /* select ier reg */
|
ns16550_write(cdev, 0x00, lcr); /* select ier reg */
|
||||||
ns16550_write(cdev, 0x00, ier);
|
ns16550_write(cdev, 0x00, ier);
|
||||||
|
}
|
||||||
|
|
||||||
#ifdef CONFIG_DRIVER_SERIAL_NS16550_OMAP_EXTENSIONS
|
#define omap_mdr1 8
|
||||||
ns16550_write(cdev, 0x07, mdr1); /* Disable */
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#ifdef CONFIG_DRIVER_SERIAL_NS16550_OMAP_EXTENSIONS
|
static void ns16550_omap_init_port(struct console_device *cdev)
|
||||||
ns16550_write(cdev, 0x00, mdr1);
|
{
|
||||||
#endif
|
ns16550_serial_init_port(cdev);
|
||||||
|
|
||||||
|
ns16550_write(cdev, 0x07, omap_mdr1); /* Disable */
|
||||||
|
ns16550_write(cdev, 0x00, omap_mdr1);
|
||||||
}
|
}
|
||||||
|
|
||||||
/*********** Exposed Functions **********************************/
|
/*********** Exposed Functions **********************************/
|
||||||
|
@ -239,6 +245,14 @@ static void ns16550_probe_dt(struct device_d *dev, struct ns16550_priv *priv)
|
||||||
of_property_read_u32(np, "reg-shift", &priv->plat.shift);
|
of_property_read_u32(np, "reg-shift", &priv->plat.shift);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
static struct ns16550_drvdata ns16550_drvdata = {
|
||||||
|
.init_port = ns16550_serial_init_port,
|
||||||
|
};
|
||||||
|
|
||||||
|
static __maybe_unused struct ns16550_drvdata omap_drvdata = {
|
||||||
|
.init_port = ns16550_omap_init_port,
|
||||||
|
};
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* @brief Probe entry point -called on the first match for device
|
* @brief Probe entry point -called on the first match for device
|
||||||
*
|
*
|
||||||
|
@ -253,8 +267,13 @@ static int ns16550_probe(struct device_d *dev)
|
||||||
struct ns16550_priv *priv;
|
struct ns16550_priv *priv;
|
||||||
struct console_device *cdev;
|
struct console_device *cdev;
|
||||||
struct NS16550_plat *plat = (struct NS16550_plat *)dev->platform_data;
|
struct NS16550_plat *plat = (struct NS16550_plat *)dev->platform_data;
|
||||||
|
struct ns16550_drvdata *devtype;
|
||||||
int ret;
|
int ret;
|
||||||
|
|
||||||
|
ret = dev_get_drvdata(dev, (unsigned long *)&devtype);
|
||||||
|
if (ret)
|
||||||
|
devtype = &ns16550_drvdata;
|
||||||
|
|
||||||
dev->priv = dev_request_mem_region(dev, 0);
|
dev->priv = dev_request_mem_region(dev, 0);
|
||||||
|
|
||||||
priv = xzalloc(sizeof(*priv));
|
priv = xzalloc(sizeof(*priv));
|
||||||
|
@ -294,7 +313,7 @@ static int ns16550_probe(struct device_d *dev)
|
||||||
cdev->getc = ns16550_getc;
|
cdev->getc = ns16550_getc;
|
||||||
cdev->setbrg = ns16550_setbaudrate;
|
cdev->setbrg = ns16550_setbaudrate;
|
||||||
|
|
||||||
ns16550_serial_init_port(cdev);
|
devtype->init_port(cdev);
|
||||||
|
|
||||||
return console_register(cdev);
|
return console_register(cdev);
|
||||||
|
|
||||||
|
@ -307,8 +326,32 @@ err:
|
||||||
static struct of_device_id ns16550_serial_dt_ids[] = {
|
static struct of_device_id ns16550_serial_dt_ids[] = {
|
||||||
{
|
{
|
||||||
.compatible = "ns16550a",
|
.compatible = "ns16550a",
|
||||||
|
.data = (unsigned long)&ns16550_drvdata,
|
||||||
}, {
|
}, {
|
||||||
.compatible = "snps,dw-apb-uart",
|
.compatible = "snps,dw-apb-uart",
|
||||||
|
.data = (unsigned long)&ns16550_drvdata,
|
||||||
|
},
|
||||||
|
#if IS_ENABLED(CONFIG_ARCH_OMAP)
|
||||||
|
{
|
||||||
|
.compatible = "ti,omap2-uart",
|
||||||
|
.data = (unsigned long)&omap_drvdata,
|
||||||
|
}, {
|
||||||
|
.compatible = "ti,omap3-uart",
|
||||||
|
.data = (unsigned long)&omap_drvdata,
|
||||||
|
}, {
|
||||||
|
.compatible = "ti,omap4-uart",
|
||||||
|
.data = (unsigned long)&omap_drvdata,
|
||||||
|
},
|
||||||
|
#endif
|
||||||
|
{
|
||||||
|
/* sentinel */
|
||||||
|
},
|
||||||
|
};
|
||||||
|
|
||||||
|
static __maybe_unused struct platform_device_id ns16550_serial_ids[] = {
|
||||||
|
{
|
||||||
|
.name = "omap-uart",
|
||||||
|
.driver_data = (unsigned long)&omap_drvdata,
|
||||||
}, {
|
}, {
|
||||||
/* sentinel */
|
/* sentinel */
|
||||||
},
|
},
|
||||||
|
@ -321,5 +364,8 @@ static struct driver_d ns16550_serial_driver = {
|
||||||
.name = "ns16550_serial",
|
.name = "ns16550_serial",
|
||||||
.probe = ns16550_probe,
|
.probe = ns16550_probe,
|
||||||
.of_compatible = DRV_OF_COMPAT(ns16550_serial_dt_ids),
|
.of_compatible = DRV_OF_COMPAT(ns16550_serial_dt_ids),
|
||||||
|
#if IS_ENABLED(CONFIG_ARCH_OMAP)
|
||||||
|
.id_table = ns16550_serial_ids,
|
||||||
|
#endif
|
||||||
};
|
};
|
||||||
console_platform_driver(ns16550_serial_driver);
|
console_platform_driver(ns16550_serial_driver);
|
||||||
|
|
|
@ -40,10 +40,6 @@
|
||||||
#define lsr 5
|
#define lsr 5
|
||||||
#define msr 6
|
#define msr 6
|
||||||
#define scr 7
|
#define scr 7
|
||||||
#ifdef CONFIG_DRIVER_SERIAL_NS16550_OMAP_EXTENSIONS
|
|
||||||
#define mdr1 8
|
|
||||||
#define osc_12m_sel 9
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#define thr rbr
|
#define thr rbr
|
||||||
#define iir fcr
|
#define iir fcr
|
||||||
|
|
Loading…
Reference in New Issue