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Rename Exynos UART driver. No functional change.

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Submitted by:	Michal Meloun <meloun@miracle.cz>
This commit is contained in:
Ruslan Bukin 2015-01-13 15:04:28 +00:00
parent 27f9c0b3d9
commit eff43c7467
3 changed files with 63 additions and 62 deletions
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122
sys/arm/samsung/exynos/exynos_uart.c
View File

@ -50,17 +50,17 @@ __FBSDID("$FreeBSD$");
#define DEF_CLK 100000000
static int sscomspeed(long, long);
static int s3c24x0_uart_param(struct uart_bas *, int, int, int, int);
static int exynos4210_uart_param(struct uart_bas *, int, int, int, int);
/*
* Low-level UART interface.
*/
static int s3c2410_probe(struct uart_bas *bas);
static void s3c2410_init(struct uart_bas *bas, int, int, int, int);
static void s3c2410_term(struct uart_bas *bas);
static void s3c2410_putc(struct uart_bas *bas, int);
static int s3c2410_rxready(struct uart_bas *bas);
static int s3c2410_getc(struct uart_bas *bas, struct mtx *mtx);
static int exynos4210_probe(struct uart_bas *bas);
static void exynos4210_init(struct uart_bas *bas, int, int, int, int);
static void exynos4210_term(struct uart_bas *bas);
static void exynos4210_putc(struct uart_bas *bas, int);
static int exynos4210_rxready(struct uart_bas *bas);
static int exynos4210_getc(struct uart_bas *bas, struct mtx *mtx);
extern SLIST_HEAD(uart_devinfo_list, uart_devinfo) uart_sysdevs;
@ -76,7 +76,7 @@ sscomspeed(long speed, long frequency)
}
static int
s3c24x0_uart_param(struct uart_bas *bas, int baudrate, int databits,
exynos4210_uart_param(struct uart_bas *bas, int baudrate, int databits,
int stopbits, int parity)
{
int brd, ulcon;
@ -127,38 +127,38 @@ s3c24x0_uart_param(struct uart_bas *bas, int baudrate, int databits,
return (0);
}
struct uart_ops uart_s3c2410_ops = {
.probe = s3c2410_probe,
.init = s3c2410_init,
.term = s3c2410_term,
.putc = s3c2410_putc,
.rxready = s3c2410_rxready,
.getc = s3c2410_getc,
struct uart_ops uart_exynos4210_ops = {
.probe = exynos4210_probe,
.init = exynos4210_init,
.term = exynos4210_term,
.putc = exynos4210_putc,
.rxready = exynos4210_rxready,
.getc = exynos4210_getc,
};
static int
s3c2410_probe(struct uart_bas *bas)
exynos4210_probe(struct uart_bas *bas)
{
return (0);
}
static void
s3c2410_init(struct uart_bas *bas, int baudrate, int databits, int stopbits,
exynos4210_init(struct uart_bas *bas, int baudrate, int databits, int stopbits,
int parity)
{
if (bas->rclk == 0)
bas->rclk = DEF_CLK;
KASSERT(bas->rclk != 0, ("s3c2410_init: Invalid rclk"));
KASSERT(bas->rclk != 0, ("exynos4210_init: Invalid rclk"));
uart_setreg(bas, SSCOM_UCON, 0);
uart_setreg(bas, SSCOM_UFCON,
UFCON_TXTRIGGER_8 | UFCON_RXTRIGGER_8 |
UFCON_TXFIFO_RESET | UFCON_RXFIFO_RESET |
UFCON_FIFO_ENABLE);
s3c24x0_uart_param(bas, baudrate, databits, stopbits, parity);
exynos4210_uart_param(bas, baudrate, databits, stopbits, parity);
/* Enable UART. */
uart_setreg(bas, SSCOM_UCON, UCON_TXMODE_INT | UCON_RXMODE_INT |
@ -167,13 +167,13 @@ s3c2410_init(struct uart_bas *bas, int baudrate, int databits, int stopbits,
}
static void
s3c2410_term(struct uart_bas *bas)
exynos4210_term(struct uart_bas *bas)
{
/* XXX */
}
static void
s3c2410_putc(struct uart_bas *bas, int c)
exynos4210_putc(struct uart_bas *bas, int c)
{
while ((bus_space_read_4(bas->bst, bas->bsh, SSCOM_UFSTAT) &
@ -184,7 +184,7 @@ s3c2410_putc(struct uart_bas *bas, int c)
}
static int
s3c2410_rxready(struct uart_bas *bas)
exynos4210_rxready(struct uart_bas *bas)
{
return ((uart_getreg(bas, SSCOM_UTRSTAT) & UTRSTAT_RXREADY) ==
@ -192,7 +192,7 @@ s3c2410_rxready(struct uart_bas *bas)
}
static int
s3c2410_getc(struct uart_bas *bas, struct mtx *mtx)
exynos4210_getc(struct uart_bas *bas, struct mtx *mtx)
{
int utrstat;
@ -205,34 +205,34 @@ s3c2410_getc(struct uart_bas *bas, struct mtx *mtx)
return (bus_space_read_1(bas->bst, bas->bsh, SSCOM_URXH));
}
static int s3c2410_bus_probe(struct uart_softc *sc);
static int s3c2410_bus_attach(struct uart_softc *sc);
static int s3c2410_bus_flush(struct uart_softc *, int);
static int s3c2410_bus_getsig(struct uart_softc *);
static int s3c2410_bus_ioctl(struct uart_softc *, int, intptr_t);
static int s3c2410_bus_ipend(struct uart_softc *);
static int s3c2410_bus_param(struct uart_softc *, int, int, int, int);
static int s3c2410_bus_receive(struct uart_softc *);
static int s3c2410_bus_setsig(struct uart_softc *, int);
static int s3c2410_bus_transmit(struct uart_softc *);
static int exynos4210_bus_probe(struct uart_softc *sc);
static int exynos4210_bus_attach(struct uart_softc *sc);
static int exynos4210_bus_flush(struct uart_softc *, int);
static int exynos4210_bus_getsig(struct uart_softc *);
static int exynos4210_bus_ioctl(struct uart_softc *, int, intptr_t);
static int exynos4210_bus_ipend(struct uart_softc *);
static int exynos4210_bus_param(struct uart_softc *, int, int, int, int);
static int exynos4210_bus_receive(struct uart_softc *);
static int exynos4210_bus_setsig(struct uart_softc *, int);
static int exynos4210_bus_transmit(struct uart_softc *);
static kobj_method_t s3c2410_methods[] = {
KOBJMETHOD(uart_probe, s3c2410_bus_probe),
KOBJMETHOD(uart_attach, s3c2410_bus_attach),
KOBJMETHOD(uart_flush, s3c2410_bus_flush),
KOBJMETHOD(uart_getsig, s3c2410_bus_getsig),
KOBJMETHOD(uart_ioctl, s3c2410_bus_ioctl),
KOBJMETHOD(uart_ipend, s3c2410_bus_ipend),
KOBJMETHOD(uart_param, s3c2410_bus_param),
KOBJMETHOD(uart_receive, s3c2410_bus_receive),
KOBJMETHOD(uart_setsig, s3c2410_bus_setsig),
KOBJMETHOD(uart_transmit, s3c2410_bus_transmit),
static kobj_method_t exynos4210_methods[] = {
KOBJMETHOD(uart_probe, exynos4210_bus_probe),
KOBJMETHOD(uart_attach, exynos4210_bus_attach),
KOBJMETHOD(uart_flush, exynos4210_bus_flush),
KOBJMETHOD(uart_getsig, exynos4210_bus_getsig),
KOBJMETHOD(uart_ioctl, exynos4210_bus_ioctl),
KOBJMETHOD(uart_ipend, exynos4210_bus_ipend),
KOBJMETHOD(uart_param, exynos4210_bus_param),
KOBJMETHOD(uart_receive, exynos4210_bus_receive),
KOBJMETHOD(uart_setsig, exynos4210_bus_setsig),
KOBJMETHOD(uart_transmit, exynos4210_bus_transmit),
{0, 0 }
};
int
s3c2410_bus_probe(struct uart_softc *sc)
exynos4210_bus_probe(struct uart_softc *sc)
{
sc->sc_txfifosz = 16;
@ -242,7 +242,7 @@ s3c2410_bus_probe(struct uart_softc *sc)
}
static int
s3c2410_bus_attach(struct uart_softc *sc)
exynos4210_bus_attach(struct uart_softc *sc)
{
sc->sc_hwiflow = 0;
@ -252,7 +252,7 @@ s3c2410_bus_attach(struct uart_softc *sc)
}
static int
s3c2410_bus_transmit(struct uart_softc *sc)
exynos4210_bus_transmit(struct uart_softc *sc)
{
int i;
int reg;
@ -260,7 +260,7 @@ s3c2410_bus_transmit(struct uart_softc *sc)
uart_lock(sc->sc_hwmtx);
for (i = 0; i < sc->sc_txdatasz; i++) {
s3c2410_putc(&sc->sc_bas, sc->sc_txbuf[i]);
exynos4210_putc(&sc->sc_bas, sc->sc_txbuf[i]);
uart_barrier(&sc->sc_bas);
}
@ -277,14 +277,14 @@ s3c2410_bus_transmit(struct uart_softc *sc)
}
static int
s3c2410_bus_setsig(struct uart_softc *sc, int sig)
exynos4210_bus_setsig(struct uart_softc *sc, int sig)
{
return (0);
}
static int
s3c2410_bus_receive(struct uart_softc *sc)
exynos4210_bus_receive(struct uart_softc *sc)
{
struct uart_bas *bas;
@ -297,7 +297,7 @@ s3c2410_bus_receive(struct uart_softc *sc)
}
static int
s3c2410_bus_param(struct uart_softc *sc, int baudrate, int databits,
exynos4210_bus_param(struct uart_softc *sc, int baudrate, int databits,
int stopbits, int parity)
{
int error;
@ -305,10 +305,10 @@ s3c2410_bus_param(struct uart_softc *sc, int baudrate, int databits,
if (sc->sc_bas.rclk == 0)
sc->sc_bas.rclk = DEF_CLK;
KASSERT(sc->sc_bas.rclk != 0, ("s3c2410_init: Invalid rclk"));
KASSERT(sc->sc_bas.rclk != 0, ("exynos4210_init: Invalid rclk"));
uart_lock(sc->sc_hwmtx);
error = s3c24x0_uart_param(&sc->sc_bas, baudrate, databits, stopbits,
error = exynos4210_uart_param(&sc->sc_bas, baudrate, databits, stopbits,
parity);
uart_unlock(sc->sc_hwmtx);
@ -316,7 +316,7 @@ s3c2410_bus_param(struct uart_softc *sc, int baudrate, int databits,
}
static int
s3c2410_bus_ipend(struct uart_softc *sc)
exynos4210_bus_ipend(struct uart_softc *sc)
{
uint32_t ints;
uint32_t txempty, rxready;
@ -352,31 +352,31 @@ s3c2410_bus_ipend(struct uart_softc *sc)
}
static int
s3c2410_bus_flush(struct uart_softc *sc, int what)
exynos4210_bus_flush(struct uart_softc *sc, int what)
{
return (0);
}
static int
s3c2410_bus_getsig(struct uart_softc *sc)
exynos4210_bus_getsig(struct uart_softc *sc)
{
return (0);
}
static int
s3c2410_bus_ioctl(struct uart_softc *sc, int request, intptr_t data)
exynos4210_bus_ioctl(struct uart_softc *sc, int request, intptr_t data)
{
return (EINVAL);
}
struct uart_class uart_s3c2410_class = {
"s3c2410 class",
s3c2410_methods,
struct uart_class uart_exynos4210_class = {
"exynos4210 class",
exynos4210_methods,
1,
.uc_ops = &uart_s3c2410_ops,
.uc_ops = &uart_exynos4210_ops,
.uc_range = 8,
.uc_rclk = 0,
};

1
sys/dev/uart/uart.h
View File

@ -78,6 +78,7 @@ extern struct uart_class uart_cdnc_class __attribute__((weak));
extern struct uart_class uart_ti8250_class __attribute__((weak));
extern struct uart_class uart_vybrid_class __attribute__((weak));
extern struct uart_class at91_usart_class __attribute__((weak));
extern struct uart_class uart_exynos4210_class __attribute__((weak));
#ifdef FDT
struct ofw_compat_data;

2
sys/dev/uart/uart_bus_fdt.c
View File

@ -74,7 +74,7 @@ static struct ofw_compat_data compat_data[] = {
{"atmel,at91rm9200-usart",(uintptr_t)&at91_usart_class},
{"atmel,at91sam9260-usart",(uintptr_t)&at91_usart_class},
{"cadence,uart", (uintptr_t)&uart_cdnc_class},
{"exynos", (uintptr_t)&uart_s3c2410_class},
{"exynos", (uintptr_t)&uart_exynos4210_class},
{"fsl,imx6q-uart", (uintptr_t)&uart_imx_class},
{"fsl,imx53-uart", (uintptr_t)&uart_imx_class},
{"fsl,imx51-uart", (uintptr_t)&uart_imx_class},