redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

Blackfin arch: update kgdb patch 

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
hifive-unleashed-5.1
Sonic Zhang 2007-10-10 16:47:58 +08:00 committed by Bryan Wu
parent 2b39331a28
commit a359cca71e
2 changed files with 27 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
drivers/serial/bfin_5xx.c
View File

@ -86,10 +86,8 @@ static void bfin_serial_stop_tx(struct uart_port *port)
{
struct bfin_serial_port *uart = (struct bfin_serial_port *)port;
#ifdef CONFIG_BF54x
while (!(UART_GET_LSR(uart) & TEMT))
continue;
#endif
#ifdef CONFIG_SERIAL_BFIN_DMA
disable_dma(uart->tx_dma_channel);
@ -128,8 +126,8 @@ static void bfin_serial_start_tx(struct uart_port *port)
ier = UART_GET_IER(uart);
ier |= ETBEI;
UART_PUT_IER(uart, ier);
bfin_serial_tx_chars(uart);
#endif
bfin_serial_tx_chars(uart);
#endif
}
@ -139,18 +137,21 @@ static void bfin_serial_start_tx(struct uart_port *port)
static void bfin_serial_stop_rx(struct uart_port *port)
{
struct bfin_serial_port *uart = (struct bfin_serial_port *)port;
#ifdef CONFIG_KGDB_UART
if (uart->port.line != CONFIG_KGDB_UART_PORT) {
#endif
#ifdef CONFIG_BF54x
UART_CLEAR_IER(uart, ERBFI);
#else
unsigned short ier;
ier = UART_GET_IER(uart);
#ifdef CONFIG_KGDB_UART
if (uart->port.line != CONFIG_KGDB_UART_PORT)
#endif
ier &= ~ERBFI;
UART_PUT_IER(uart, ier);
#endif
#ifdef CONFIG_KGDB_UART
}
#endif
}
/*
@ -175,8 +176,11 @@ void kgdb_put_debug_char(int chr)
while (!(UART_GET_LSR(uart) & THRE)) {
SSYNC();
}
#ifndef CONFIG_BF54x
UART_PUT_LCR(uart, UART_GET_LCR(uart)&(~DLAB));
SSYNC();
#endif
UART_PUT_CHAR(uart, (unsigned char)chr);
SSYNC();
}
@ -194,8 +198,10 @@ int kgdb_get_debug_char(void)
while(!(UART_GET_LSR(uart) & DR)) {
SSYNC();
}
#ifndef CONFIG_BF54x
UART_PUT_LCR(uart, UART_GET_LCR(uart)&(~DLAB));
SSYNC();
#endif
chr = UART_GET_CHAR(uart);
SSYNC();
@ -697,17 +703,19 @@ static int bfin_serial_startup(struct uart_port *port)
uart->rx_dma_timer.expires = jiffies + DMA_RX_FLUSH_JIFFIES;
add_timer(&(uart->rx_dma_timer));
#else
# ifdef CONFIG_KGDB_UART
if (uart->port.line != CONFIG_KGDB_UART_PORT && request_irq
# else
if (request_irq
# endif
(uart->port.irq, bfin_serial_rx_int, IRQF_DISABLED,
if (request_irq(uart->port.irq, bfin_serial_rx_int, IRQF_DISABLED,
"BFIN_UART_RX", uart)) {
# ifdef CONFIG_KGDB_UART
if (uart->port.line != CONFIG_KGDB_UART_PORT) {
# endif
printk(KERN_NOTICE "Unable to attach BlackFin UART RX interrupt\n");
return -EBUSY;
# ifdef CONFIG_KGDB_UART
}
# endif
}
if (request_irq
(uart->port.irq+1, bfin_serial_tx_int, IRQF_DISABLED,
"BFIN_UART_TX", uart)) {
@ -1154,10 +1162,6 @@ struct console __init *bfin_earlyserial_init(unsigned int port,
port = 0;
bfin_serial_init_ports();
bfin_early_serial_console.index = port;
#ifdef CONFIG_KGDB_UART
kgdb_entry_state = 0;
init_kgdb_uart();
#endif
uart = &bfin_serial_ports[port];
t.c_cflag = cflag;
t.c_iflag = 0;
@ -1255,7 +1259,7 @@ static int __init bfin_serial_init(void)
int ret;
#ifdef CONFIG_KGDB_UART
struct bfin_serial_port *uart = &bfin_serial_ports[CONFIG_KGDB_UART_PORT];
struct termios t;
struct ktermios t;
#endif
pr_info("Serial: Blackfin serial driver\n");
@ -1272,10 +1276,14 @@ static int __init bfin_serial_init(void)
}
#ifdef CONFIG_KGDB_UART
if (uart->port.cons->index != CONFIG_KGDB_UART_PORT) {
request_irq(uart->port.irq, bfin_serial_int,
request_irq(uart->port.irq, bfin_serial_rx_int,
IRQF_DISABLED, "BFIN_UART_RX", uart);
pr_info("Request irq for kgdb uart port\n");
#ifdef CONFIG_BF54x
UART_SET_IER(uart, ERBFI);
#else
UART_PUT_IER(uart, UART_GET_IER(uart) | ERBFI);
#endif
SSYNC();
t.c_cflag = CS8|B57600;
t.c_iflag = 0;

1
include/asm-blackfin/kgdb.h
View File

@ -179,5 +179,6 @@ enum regnames {
#define STATDA1 0x80
extern void kgdb_print(const char *fmt, ...);
extern void init_kgdb_uart(void);
#endif