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path: root/target/linux/adm5120/patches-3.3/200-amba_pl010_hacks.patch
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Diffstat (limited to 'target/linux/adm5120/patches-3.3/200-amba_pl010_hacks.patch')
-rw-r--r--target/linux/adm5120/patches-3.3/200-amba_pl010_hacks.patch83
1 files changed, 30 insertions, 53 deletions
diff --git a/target/linux/adm5120/patches-3.3/200-amba_pl010_hacks.patch b/target/linux/adm5120/patches-3.3/200-amba_pl010_hacks.patch
index 3c4ea35a1d..64e7d2ac53 100644
--- a/target/linux/adm5120/patches-3.3/200-amba_pl010_hacks.patch
+++ b/target/linux/adm5120/patches-3.3/200-amba_pl010_hacks.patch
@@ -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
@@ -366,13 +350,6 @@
+ 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"
depends on SERIAL_AMBA_PL010=y