diff options
Diffstat (limited to 'arch/powerpc/boot/serial.c')
| -rw-r--r-- | arch/powerpc/boot/serial.c | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/arch/powerpc/boot/serial.c b/arch/powerpc/boot/serial.c index f2156f07571f..c6d32a8c3612 100644 --- a/arch/powerpc/boot/serial.c +++ b/arch/powerpc/boot/serial.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Generic serial console support * @@ -6,10 +7,7 @@ * Code in serial_edit_cmdline() copied from <file:arch/ppc/boot/simple/misc.c> * and was written by Matt Porter <mporter@kernel.crashing.org>. * - * 2001,2006 (c) MontaVista Software, Inc. 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. + * 2001,2006 (c) MontaVista Software, Inc. */ #include <stdarg.h> #include <stddef.h> @@ -33,7 +31,7 @@ static void serial_write(const char *buf, int len) scdp->putc(*buf++); } -static void serial_edit_cmdline(char *buf, int len) +static void serial_edit_cmdline(char *buf, int len, unsigned int timeout) { int timer = 0, count; char ch, *cp; @@ -44,7 +42,7 @@ static void serial_edit_cmdline(char *buf, int len) cp = &buf[count]; count++; - while (timer++ < 5*1000) { + do { if (scdp->tstc()) { while (((ch = scdp->getc()) != '\n') && (ch != '\r')) { /* Test for backspace/delete */ @@ -70,7 +68,7 @@ static void serial_edit_cmdline(char *buf, int len) break; /* Exit 'timer' loop */ } udelay(1000); /* 1 msec */ - } + } while (timer++ < timeout); *cp = 0; } @@ -92,7 +90,8 @@ static void *serial_get_stdout_devp(void) if (devp == NULL) goto err_out; - if (getprop(devp, "linux,stdout-path", path, MAX_PATH_LEN) > 0) { + if (getprop(devp, "linux,stdout-path", path, MAX_PATH_LEN) > 0 || + getprop(devp, "stdout-path", path, MAX_PATH_LEN) > 0) { devp = finddevice(path); if (devp == NULL) goto err_out; @@ -120,18 +119,21 @@ int serial_console_init(void) if (dt_is_compatible(devp, "ns16550") || dt_is_compatible(devp, "pnpPNP,501")) rc = ns16550_console_init(devp, &serial_cd); - else if (dt_is_compatible(devp, "marvell,mv64360-mpsc")) - rc = mpsc_console_init(devp, &serial_cd); +#ifdef CONFIG_CPM else if (dt_is_compatible(devp, "fsl,cpm1-scc-uart") || dt_is_compatible(devp, "fsl,cpm1-smc-uart") || dt_is_compatible(devp, "fsl,cpm2-scc-uart") || dt_is_compatible(devp, "fsl,cpm2-smc-uart")) rc = cpm_console_init(devp, &serial_cd); +#endif +#ifdef CONFIG_PPC_MPC52xx else if (dt_is_compatible(devp, "fsl,mpc5200-psc-uart")) rc = mpc5200_psc_console_init(devp, &serial_cd); - else if (dt_is_compatible(devp, "xlnx,opb-uartlite-1.00.b") || - dt_is_compatible(devp, "xlnx,xps-uartlite-1.00.a")) - rc = uartlite_console_init(devp, &serial_cd); +#endif +#ifdef CONFIG_PPC_POWERNV + else if (dt_is_compatible(devp, "ibm,opal-console-raw")) + rc = opal_console_init(devp, &serial_cd); +#endif /* Add other serial console driver calls here */ |