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do no longer rename amba-pl010 serial devices names

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Back in the days when we could not override /etc/inittab, it made a lot
of sense to rename ttyAM to ttyS since this was the only supported
serial device(s), we can now just put in an appropriate /etc/inittab file
now.

Signed-off-by: Florian Fainelli <florian@openwrt.org>

SVN-Revision: 34469
This commit is contained in:
Florian Fainelli 2012-12-03 16:18:40 +00:00
parent 4c30952394
commit d3cda51994
5 changed files with 39 additions and 58 deletions
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5
target/linux/adm5120/base-files/etc/inittab Normal file
View File

@ -0,0 +1,5 @@
::sysinit:/etc/init.d/rcS S boot
::shutdown:/etc/init.d/rcS K shutdown
tts/0::askfirst:/bin/ash --login
ttyAM0::askfirst:/bin/ash --login
tty1::askfirst:/bin/ash --login

3
target/linux/adm5120/config-3.3
View File

@ -43,7 +43,7 @@ CONFIG_ATA=m
CONFIG_CC_OPTIMIZE_FOR_SIZE=y
CONFIG_CEVT_R4K=y
CONFIG_CEVT_R4K_LIB=y
CONFIG_CMDLINE="console=ttyS0,115200 rootfstype=squashfs,jffs2"
CONFIG_CMDLINE="console=ttyAM0,115200 rootfstype=squashfs,jffs2"
CONFIG_CMDLINE_BOOL=y
# CONFIG_CMDLINE_OVERRIDE is not set
# CONFIG_CPU_BIG_ENDIAN is not set
@ -167,7 +167,6 @@ CONFIG_SCSI_MOD=m
CONFIG_SERIAL_AMBA_PL010=y
CONFIG_SERIAL_AMBA_PL010_CONSOLE=y
CONFIG_SERIAL_AMBA_PL010_NUMPORTS=2
CONFIG_SERIAL_AMBA_PL010_PORTNAME="ttyS"
# CONFIG_SERIAL_AMBA_PL011 is not set
CONFIG_SERIO=y
CONFIG_SERIO_SERPORT=y

4
target/linux/adm5120/files/arch/mips/adm5120/motorola/pmugw.c
View File

@ -83,8 +83,8 @@ void __init pmugw_setup(void)
adm5120_flash0_data.nr_parts = ARRAY_SIZE(pmugw_partitions);
adm5120_flash0_data.parts = pmugw_partitions;
adm5120_add_device_uart(1); /* ttyS0 */
adm5120_add_device_uart(0); /* ttyS1 */
adm5120_add_device_uart(1); /* ttyAM0 */
adm5120_add_device_uart(0); /* ttyAM1 */
adm5120_add_device_flash(0);

83
target/linux/adm5120/patches-3.3/200-amba_pl010_hacks.patch
View File

@ -1,6 +1,6 @@
--- a/drivers/tty/serial/amba-pl010.c
+++ b/drivers/tty/serial/amba-pl010.c
@@ -49,11 +49,10 @@
@@ -49,11 +49,9 @@
#include <asm/io.h>
@ -10,11 +10,10 @@
#define SERIAL_AMBA_MINOR 16
-#define SERIAL_AMBA_NR UART_NR
+#define SERIAL_AMBA_NR CONFIG_SERIAL_AMBA_PL010_NUMPORTS
+#define SERIAL_AMBA_NAME CONFIG_SERIAL_AMBA_PL010_PORTNAME
#define AMBA_ISR_PASS_LIMIT 256
@@ -79,9 +78,9 @@ static void pl010_stop_tx(struct uart_po
@@ -79,9 +77,9 @@ static void pl010_stop_tx(struct uart_po
struct uart_amba_port *uap = (struct uart_amba_port *)port;
unsigned int cr;
@ -26,7 +25,7 @@
}
static void pl010_start_tx(struct uart_port *port)
@@ -89,9 +88,9 @@ static void pl010_start_tx(struct uart_p
@@ -89,9 +87,9 @@ static void pl010_start_tx(struct uart_p
struct uart_amba_port *uap = (struct uart_amba_port *)port;
unsigned int cr;
@ -38,7 +37,7 @@
}
static void pl010_stop_rx(struct uart_port *port)
@@ -99,9 +98,9 @@ static void pl010_stop_rx(struct uart_po
@@ -99,9 +97,9 @@ static void pl010_stop_rx(struct uart_po
struct uart_amba_port *uap = (struct uart_amba_port *)port;
unsigned int cr;
@ -50,7 +49,7 @@
}
static void pl010_enable_ms(struct uart_port *port)
@@ -109,9 +108,9 @@ static void pl010_enable_ms(struct uart_
@@ -109,9 +107,9 @@ static void pl010_enable_ms(struct uart_
struct uart_amba_port *uap = (struct uart_amba_port *)port;
unsigned int cr;
@ -62,7 +61,7 @@
}
static void pl010_rx_chars(struct uart_amba_port *uap)
@@ -119,9 +118,9 @@ static void pl010_rx_chars(struct uart_a
@@ -119,9 +117,9 @@ static void pl010_rx_chars(struct uart_a
struct tty_struct *tty = uap->port.state->port.tty;
unsigned int status, ch, flag, rsr, max_count = 256;
@ -74,7 +73,7 @@
flag = TTY_NORMAL;
uap->port.icount.rx++;
@@ -130,9 +129,9 @@ static void pl010_rx_chars(struct uart_a
@@ -130,9 +128,9 @@ static void pl010_rx_chars(struct uart_a
* Note that the error handling code is
* out of the main execution path
*/
@ -86,7 +85,7 @@
if (rsr & UART01x_RSR_BE) {
rsr &= ~(UART01x_RSR_FE | UART01x_RSR_PE);
@@ -162,7 +161,7 @@ static void pl010_rx_chars(struct uart_a
@@ -162,7 +160,7 @@ static void pl010_rx_chars(struct uart_a
uart_insert_char(&uap->port, rsr, UART01x_RSR_OE, ch, flag);
ignore_char:
@ -95,7 +94,7 @@
}
spin_unlock(&uap->port.lock);
tty_flip_buffer_push(tty);
@@ -175,7 +174,7 @@ static void pl010_tx_chars(struct uart_a
@@ -175,7 +173,7 @@ static void pl010_tx_chars(struct uart_a
int count;
if (uap->port.x_char) {
@ -104,7 +103,7 @@
uap->port.icount.tx++;
uap->port.x_char = 0;
return;
@@ -187,7 +186,7 @@ static void pl010_tx_chars(struct uart_a
@@ -187,7 +185,7 @@ static void pl010_tx_chars(struct uart_a
count = uap->port.fifosize >> 1;
do {
@ -113,7 +112,7 @@
xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
uap->port.icount.tx++;
if (uart_circ_empty(xmit))
@@ -205,9 +204,9 @@ static void pl010_modem_status(struct ua
@@ -205,9 +203,9 @@ static void pl010_modem_status(struct ua
{
unsigned int status, delta;
@ -125,7 +124,7 @@
delta = status ^ uap->old_status;
uap->old_status = status;
@@ -235,7 +234,7 @@ static irqreturn_t pl010_int(int irq, vo
@@ -235,7 +233,7 @@ static irqreturn_t pl010_int(int irq, vo
spin_lock(&uap->port.lock);
@ -134,7 +133,7 @@
if (status) {
do {
if (status & (UART010_IIR_RTIS | UART010_IIR_RIS))
@@ -248,7 +247,7 @@ static irqreturn_t pl010_int(int irq, vo
@@ -248,7 +246,7 @@ static irqreturn_t pl010_int(int irq, vo
if (pass_counter-- == 0)
break;
@ -143,7 +142,7 @@
} while (status & (UART010_IIR_RTIS | UART010_IIR_RIS |
UART010_IIR_TIS));
handled = 1;
@@ -262,7 +261,7 @@ static irqreturn_t pl010_int(int irq, vo
@@ -262,7 +260,7 @@ static irqreturn_t pl010_int(int irq, vo
static unsigned int pl010_tx_empty(struct uart_port *port)
{
struct uart_amba_port *uap = (struct uart_amba_port *)port;
@ -152,7 +151,7 @@
return status & UART01x_FR_BUSY ? 0 : TIOCSER_TEMT;
}
@@ -272,7 +271,7 @@ static unsigned int pl010_get_mctrl(stru
@@ -272,7 +270,7 @@ static unsigned int pl010_get_mctrl(stru
unsigned int result = 0;
unsigned int status;
@ -161,7 +160,7 @@
if (status & UART01x_FR_DCD)
result |= TIOCM_CAR;
if (status & UART01x_FR_DSR)
@@ -298,12 +297,12 @@ static void pl010_break_ctl(struct uart_
@@ -298,12 +296,12 @@ static void pl010_break_ctl(struct uart_
unsigned int lcr_h;
spin_lock_irqsave(&uap->port.lock, flags);
@ -176,7 +175,7 @@
spin_unlock_irqrestore(&uap->port.lock, flags);
}
@@ -335,12 +334,12 @@ static int pl010_startup(struct uart_por
@@ -335,12 +333,12 @@ static int pl010_startup(struct uart_por
/*
* initialise the old status of the modem signals
*/
@ -191,7 +190,7 @@
uap->port.membase + UART010_CR);
return 0;
@@ -365,10 +364,10 @@ static void pl010_shutdown(struct uart_p
@@ -365,10 +363,10 @@ static void pl010_shutdown(struct uart_p
/*
* disable all interrupts, disable the port
*/
@ -204,7 +203,7 @@
~(UART01x_LCRH_BRK | UART01x_LCRH_FEN),
uap->port.membase + UART010_LCRH);
@@ -391,7 +390,7 @@ pl010_set_termios(struct uart_port *port
@@ -391,7 +389,7 @@ pl010_set_termios(struct uart_port *port
/*
* Ask the core to calculate the divisor for us.
*/
@ -213,7 +212,7 @@
quot = uart_get_divisor(port, baud);
switch (termios->c_cflag & CSIZE) {
@@ -454,25 +453,25 @@ pl010_set_termios(struct uart_port *port
@@ -454,25 +452,25 @@ pl010_set_termios(struct uart_port *port
uap->port.ignore_status_mask |= UART_DUMMY_RSR_RX;
/* first, disable everything */
@ -245,7 +244,7 @@
spin_unlock_irqrestore(&uap->port.lock, flags);
}
@@ -554,7 +553,7 @@ static struct uart_ops amba_pl010_pops =
@@ -554,7 +552,7 @@ static struct uart_ops amba_pl010_pops =
.verify_port = pl010_verify_port,
};
@ -254,7 +253,7 @@
#ifdef CONFIG_SERIAL_AMBA_PL010_CONSOLE
@@ -564,10 +563,10 @@ static void pl010_console_putchar(struct
@@ -564,10 +562,10 @@ static void pl010_console_putchar(struct
unsigned int status;
do {
@ -267,7 +266,7 @@
}
static void
@@ -581,8 +580,8 @@ pl010_console_write(struct console *co,
@@ -581,8 +579,8 @@ pl010_console_write(struct console *co,
/*
* First save the CR then disable the interrupts
*/
@ -278,7 +277,7 @@
uart_console_write(&uap->port, s, count, pl010_console_putchar);
@@ -591,10 +590,10 @@ pl010_console_write(struct console *co,
@@ -591,10 +589,10 @@ pl010_console_write(struct console *co,
* and restore the TCR
*/
do {
@ -291,7 +290,7 @@
clk_disable(uap->clk);
}
@@ -603,9 +602,9 @@ static void __init
@@ -603,9 +601,9 @@ static void __init
pl010_console_get_options(struct uart_amba_port *uap, int *baud,
int *parity, int *bits)
{
@ -303,7 +302,7 @@
*parity = 'n';
if (lcr_h & UART01x_LCRH_PEN) {
@@ -620,8 +619,8 @@ pl010_console_get_options(struct uart_am
@@ -620,8 +618,8 @@ pl010_console_get_options(struct uart_am
else
*bits = 8;
@ -314,7 +313,7 @@
*baud = uap->port.uartclk / (16 * (quot + 1));
}
}
@@ -640,7 +639,7 @@ static int __init pl010_console_setup(st
@@ -640,7 +638,7 @@ static int __init pl010_console_setup(st
* if so, search for the first available port that does have
* console support.
*/
@ -323,23 +322,8 @@
co->index = 0;
uap = amba_ports[co->index];
if (!uap)
@@ -662,7 +661,7 @@ static int __init pl010_console_setup(st
static struct uart_driver amba_reg;
static struct console amba_console = {
- .name = "ttyAM",
+ .name = SERIAL_AMBA_NAME,
.write = pl010_console_write,
.device = uart_console_device,
.setup = pl010_console_setup,
@@ -678,11 +677,11 @@ static struct console amba_console = {
static struct uart_driver amba_reg = {
.owner = THIS_MODULE,
- .driver_name = "ttyAM",
- .dev_name = "ttyAM",
+ .driver_name = SERIAL_AMBA_NAME,
+ .dev_name = SERIAL_AMBA_NAME,
@@ -682,7 +680,7 @@ static struct uart_driver amba_reg = {
.dev_name = "ttyAM",
.major = SERIAL_AMBA_MAJOR,
.minor = SERIAL_AMBA_MINOR,
- .nr = UART_NR,
@ -349,7 +333,7 @@
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -16,10 +16,25 @@ config SERIAL_AMBA_PL010
@@ -16,10 +16,18 @@ config SERIAL_AMBA_PL010
help
This selects the ARM(R) AMBA(R) PrimeCell PL010 UART. If you have
an Integrator/AP or Integrator/PP2 platform, or if you have a
@ -365,13 +349,6 @@
+ ---help---
+ Set this to the number of serial ports you want the AMBA PL010 driver
+ to support.
+
+config SERIAL_AMBA_PL010_PORTNAME
+ string "Name of the AMBA PL010 serial ports"
+ depends on SERIAL_AMBA_PL010
+ default "ttyAM"
+ ---help---
+ ::: To be written :::
+
config SERIAL_AMBA_PL010_CONSOLE
bool "Support for console on AMBA serial port"

2
target/linux/adm5120/rb1xx/config-3.3
View File

@ -27,7 +27,7 @@ CONFIG_ADM5120_MACH_RB_192=y
CONFIG_ADM5120_OEM_MIKROTIK=y
# CONFIG_ADM5120_OEM_MOTOROLA is not set
# CONFIG_ADM5120_OEM_OSBRIDGE is not set
CONFIG_CMDLINE="console=ttyS0,115200 rootfstype=yaffs2"
CONFIG_CMDLINE="console=ttyAM0,115200 rootfstype=yaffs2"
# CONFIG_JFFS2_FS is not set
# CONFIG_MTD_MYLOADER_PARTS is not set
CONFIG_MTD_NAND=y