diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/fec_mxc.c | 4 | ||||
| -rw-r--r-- | drivers/serial/Makefile | 1 | ||||
| -rw-r--r-- | drivers/serial/serial_lpuart.c | 132 | ||||
| -rw-r--r-- | drivers/video/mxsfb.c | 5 | ||||
| -rw-r--r-- | drivers/watchdog/Makefile | 2 |
5 files changed, 140 insertions, 4 deletions
diff --git a/drivers/net/fec_mxc.c b/drivers/net/fec_mxc.c index 4dbcdca4a03..da95e285b70 100644 --- a/drivers/net/fec_mxc.c +++ b/drivers/net/fec_mxc.c @@ -516,9 +516,7 @@ static int fec_open(struct eth_device *edev) #ifdef FEC_QUIRK_ENET_MAC { u32 ecr = readl(&fec->eth->ecntrl) & ~FEC_ECNTRL_SPEED; - u32 rcr = (readl(&fec->eth->r_cntrl) & - ~(FEC_RCNTRL_RMII | FEC_RCNTRL_RMII_10T)) | - FEC_RCNTRL_RGMII | FEC_RCNTRL_MII_MODE; + u32 rcr = readl(&fec->eth->r_cntrl) & ~FEC_RCNTRL_RMII_10T; if (speed == _1000BASET) ecr |= FEC_ECNTRL_SPEED; else if (speed != _100BASET) diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile index 442b7ea0df4..0f954a5f33a 100644 --- a/drivers/serial/Makefile +++ b/drivers/serial/Makefile @@ -53,6 +53,7 @@ COBJS-$(CONFIG_SANDBOX_SERIAL) += sandbox.o COBJS-$(CONFIG_SCIF_CONSOLE) += serial_sh.o COBJS-$(CONFIG_ZYNQ_SERIAL) += serial_zynq.o COBJS-$(CONFIG_BFIN_SERIAL) += serial_bfin.o +COBJS-$(CONFIG_FSL_LPUART) += serial_lpuart.o ifndef CONFIG_SPL_BUILD COBJS-$(CONFIG_USB_TTY) += usbtty.o diff --git a/drivers/serial/serial_lpuart.c b/drivers/serial/serial_lpuart.c new file mode 100644 index 00000000000..51d56662c6f --- /dev/null +++ b/drivers/serial/serial_lpuart.c @@ -0,0 +1,132 @@ +/* + * Copyright 2013 Freescale Semiconductor, Inc. + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include <common.h> +#include <watchdog.h> +#include <asm/io.h> +#include <serial.h> +#include <linux/compiler.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch/clock.h> + +#define US1_TDRE (1 << 7) +#define US1_RDRF (1 << 5) +#define UC2_TE (1 << 3) +#define UC2_RE (1 << 2) + +DECLARE_GLOBAL_DATA_PTR; + +struct lpuart_fsl *base = (struct lpuart_fsl *)LPUART_BASE; + +static void lpuart_serial_setbrg(void) +{ + u32 clk = mxc_get_clock(MXC_UART_CLK); + u16 sbr; + + if (!gd->baudrate) + gd->baudrate = CONFIG_BAUDRATE; + + sbr = (u16)(clk / (16 * gd->baudrate)); + /* place adjustment later - n/32 BRFA */ + + __raw_writeb(sbr >> 8, &base->ubdh); + __raw_writeb(sbr & 0xff, &base->ubdl); +} + +static int lpuart_serial_getc(void) +{ + u8 status; + + while (!(__raw_readb(&base->us1) & US1_RDRF)) + WATCHDOG_RESET(); + + status = __raw_readb(&base->us1); + status |= US1_RDRF; + __raw_writeb(status, &base->us1); + + return __raw_readb(&base->ud); +} + +static void lpuart_serial_putc(const char c) +{ + if (c == '\n') + serial_putc('\r'); + + while (!(__raw_readb(&base->us1) & US1_TDRE)) + WATCHDOG_RESET(); + + __raw_writeb(c, &base->ud); +} + +/* + * Test whether a character is in the RX buffer + */ +static int lpuart_serial_tstc(void) +{ + if (__raw_readb(&base->urcfifo) == 0) + return 0; + + return 1; +} + +/* + * Initialise the serial port with the given baudrate. The settings + * are always 8 data bits, no parity, 1 stop bit, no start bits. + */ +static int lpuart_serial_init(void) +{ + u8 ctrl; + + ctrl = __raw_readb(&base->uc2); + ctrl &= ~UC2_RE; + ctrl &= ~UC2_TE; + __raw_writeb(ctrl, &base->uc2); + + __raw_writeb(0, &base->umodem); + __raw_writeb(0, &base->uc1); + + /* provide data bits, parity, stop bit, etc */ + + serial_setbrg(); + + __raw_writeb(UC2_RE | UC2_TE, &base->uc2); + + return 0; +} + +static struct serial_device lpuart_serial_drv = { + .name = "lpuart_serial", + .start = lpuart_serial_init, + .stop = NULL, + .setbrg = lpuart_serial_setbrg, + .putc = lpuart_serial_putc, + .puts = default_serial_puts, + .getc = lpuart_serial_getc, + .tstc = lpuart_serial_tstc, +}; + +void lpuart_serial_initialize(void) +{ + serial_register(&lpuart_serial_drv); +} + +__weak struct serial_device *default_serial_console(void) +{ + return &lpuart_serial_drv; +} diff --git a/drivers/video/mxsfb.c b/drivers/video/mxsfb.c index 461ff6e860a..b1894193583 100644 --- a/drivers/video/mxsfb.c +++ b/drivers/video/mxsfb.c @@ -39,6 +39,11 @@ static GraphicDevice panel; * setenv videomode * video=ctfb:x:800,y:480,depth:18,mode:0,pclk:30066, * le:0,ri:256,up:0,lo:45,hs:1,vs:1,sync:100663296,vmode:0 + * + * Freescale mx23evk/mx28evk with a Seiko 4.3'' WVGA panel: + * setenv videomode + * video=ctfb:x:800,y:480,depth:24,mode:0,pclk:29851, + * le:89,ri:164,up:23,lo:10,hs:10,vs:10,sync:0,vmode:0 */ static void mxs_lcd_init(GraphicDevice *panel, diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile index d57578df6c2..b9bbbc63398 100644 --- a/drivers/watchdog/Makefile +++ b/drivers/watchdog/Makefile @@ -27,7 +27,7 @@ LIB := $(obj)libwatchdog.o COBJS-$(CONFIG_AT91SAM9_WATCHDOG) += at91sam9_wdt.o COBJS-$(CONFIG_FTWDT010_WATCHDOG) += ftwdt010_wdt.o -ifneq (,$(filter $(SOC), mx31 mx35 mx5 mx6)) +ifneq (,$(filter $(SOC), mx31 mx35 mx5 mx6 vf610)) COBJS-y += imx_watchdog.o endif COBJS-$(CONFIG_TNETV107X_WATCHDOG) += tnetv107x_wdt.o |