mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-24 23:50:53 +07:00
tty: serial: crisv10: Drop remaining code for CRISv10 CPU simulator
The Kconfig symbol SVINTO_SIM got dropped in commit e269a86941 ("Drop
code for CRISv10 CPU simulator"). Now drop the remaining code for that
simulator.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Paul Bolle
Greg Kroah-Hartman
parent
86a41c46c7
commit
b2b2d6067d
@ -286,7 +286,6 @@ static struct e100_serial rs_table[] = {
|
||||
#endif
|
||||
|
||||
}, /* ttyS0 */
|
||||
#ifndef CONFIG_SVINTO_SIM
|
||||
{ .baud = DEF_BAUD,
|
||||
.ioport = (unsigned char *)R_SERIAL1_CTRL,
|
||||
.irq = 1U << 16, /* uses DMA 8 and 9 */
|
||||
@ -447,7 +446,6 @@ static struct e100_serial rs_table[] = {
|
||||
.dma_in_enabled = 0
|
||||
#endif
|
||||
} /* ttyS3 */
|
||||
#endif
|
||||
};
|
||||
|
||||
|
||||
@ -1035,7 +1033,6 @@ cflag_to_etrax_baud(unsigned int cflag)
|
||||
static inline void
|
||||
e100_dtr(struct e100_serial *info, int set)
|
||||
{
|
||||
#ifndef CONFIG_SVINTO_SIM
|
||||
unsigned char mask = e100_modem_pins[info->line].dtr_mask;
|
||||
|
||||
#ifdef SERIAL_DEBUG_IO
|
||||
@ -1060,7 +1057,6 @@ e100_dtr(struct e100_serial *info, int set)
|
||||
info->line, *e100_modem_pins[info->line].dtr_shadow,
|
||||
E100_DTR_GET(info));
|
||||
#endif
|
||||
#endif
|
||||
}
|
||||
|
||||
/* set = 0 means 3.3V on the pin, bitvalue: 0=active, 1=inactive
|
||||
@ -1069,7 +1065,6 @@ e100_dtr(struct e100_serial *info, int set)
|
||||
static inline void
|
||||
e100_rts(struct e100_serial *info, int set)
|
||||
{
|
||||
#ifndef CONFIG_SVINTO_SIM
|
||||
unsigned long flags;
|
||||
local_irq_save(flags);
|
||||
info->rx_ctrl &= ~E100_RTS_MASK;
|
||||
@ -1079,7 +1074,6 @@ e100_rts(struct e100_serial *info, int set)
|
||||
#ifdef SERIAL_DEBUG_IO
|
||||
printk("ser%i rts %i\n", info->line, set);
|
||||
#endif
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
@ -1087,7 +1081,6 @@ e100_rts(struct e100_serial *info, int set)
|
||||
static inline void
|
||||
e100_ri_out(struct e100_serial *info, int set)
|
||||
{
|
||||
#ifndef CONFIG_SVINTO_SIM
|
||||
/* RI is active low */
|
||||
{
|
||||
unsigned char mask = e100_modem_pins[info->line].ri_mask;
|
||||
@ -1099,12 +1092,10 @@ e100_ri_out(struct e100_serial *info, int set)
|
||||
*e100_modem_pins[info->line].ri_port = *e100_modem_pins[info->line].ri_shadow;
|
||||
local_irq_restore(flags);
|
||||
}
|
||||
#endif
|
||||
}
|
||||
static inline void
|
||||
e100_cd_out(struct e100_serial *info, int set)
|
||||
{
|
||||
#ifndef CONFIG_SVINTO_SIM
|
||||
/* CD is active low */
|
||||
{
|
||||
unsigned char mask = e100_modem_pins[info->line].cd_mask;
|
||||
@ -1116,27 +1107,22 @@ e100_cd_out(struct e100_serial *info, int set)
|
||||
*e100_modem_pins[info->line].cd_port = *e100_modem_pins[info->line].cd_shadow;
|
||||
local_irq_restore(flags);
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
static inline void
|
||||
e100_disable_rx(struct e100_serial *info)
|
||||
{
|
||||
#ifndef CONFIG_SVINTO_SIM
|
||||
/* disable the receiver */
|
||||
info->ioport[REG_REC_CTRL] =
|
||||
(info->rx_ctrl &= ~IO_MASK(R_SERIAL0_REC_CTRL, rec_enable));
|
||||
#endif
|
||||
}
|
||||
|
||||
static inline void
|
||||
e100_enable_rx(struct e100_serial *info)
|
||||
{
|
||||
#ifndef CONFIG_SVINTO_SIM
|
||||
/* enable the receiver */
|
||||
info->ioport[REG_REC_CTRL] =
|
||||
(info->rx_ctrl |= IO_MASK(R_SERIAL0_REC_CTRL, rec_enable));
|
||||
#endif
|
||||
}
|
||||
|
||||
/* the rx DMA uses both the dma_descr and the dma_eop interrupts */
|
||||
@ -1554,24 +1540,6 @@ transmit_chars_dma(struct e100_serial *info)
|
||||
unsigned int c, sentl;
|
||||
struct etrax_dma_descr *descr;
|
||||
|
||||
#ifdef CONFIG_SVINTO_SIM
|
||||
/* This will output too little if tail is not 0 always since
|
||||
* we don't reloop to send the other part. Anyway this SHOULD be a
|
||||
* no-op - transmit_chars_dma would never really be called during sim
|
||||
* since rs_write does not write into the xmit buffer then.
|
||||
*/
|
||||
if (info->xmit.tail)
|
||||
printk("Error in serial.c:transmit_chars-dma(), tail!=0\n");
|
||||
if (info->xmit.head != info->xmit.tail) {
|
||||
SIMCOUT(info->xmit.buf + info->xmit.tail,
|
||||
CIRC_CNT(info->xmit.head,
|
||||
info->xmit.tail,
|
||||
SERIAL_XMIT_SIZE));
|
||||
info->xmit.head = info->xmit.tail; /* move back head */
|
||||
info->tr_running = 0;
|
||||
}
|
||||
return;
|
||||
#endif
|
||||
/* acknowledge both dma_descr and dma_eop irq in R_DMA_CHx_CLR_INTR */
|
||||
*info->oclrintradr =
|
||||
IO_STATE(R_DMA_CH6_CLR_INTR, clr_descr, do) |
|
||||
@ -1842,13 +1810,6 @@ static void receive_chars_dma(struct e100_serial *info)
|
||||
struct tty_struct *tty;
|
||||
unsigned char rstat;
|
||||
|
||||
#ifdef CONFIG_SVINTO_SIM
|
||||
/* No receive in the simulator. Will probably be when the rest of
|
||||
* the serial interface works, and this piece will just be removed.
|
||||
*/
|
||||
return;
|
||||
#endif
|
||||
|
||||
/* Acknowledge both dma_descr and dma_eop irq in R_DMA_CHx_CLR_INTR */
|
||||
*info->iclrintradr =
|
||||
IO_STATE(R_DMA_CH6_CLR_INTR, clr_descr, do) |
|
||||
@ -1934,12 +1895,6 @@ static int start_recv_dma(struct e100_serial *info)
|
||||
static void
|
||||
start_receive(struct e100_serial *info)
|
||||
{
|
||||
#ifdef CONFIG_SVINTO_SIM
|
||||
/* No receive in the simulator. Will probably be when the rest of
|
||||
* the serial interface works, and this piece will just be removed.
|
||||
*/
|
||||
return;
|
||||
#endif
|
||||
if (info->uses_dma_in) {
|
||||
/* reset the input dma channel to be sure it works */
|
||||
|
||||
@ -1972,17 +1927,6 @@ tr_interrupt(int irq, void *dev_id)
|
||||
int i;
|
||||
int handled = 0;
|
||||
|
||||
#ifdef CONFIG_SVINTO_SIM
|
||||
/* No receive in the simulator. Will probably be when the rest of
|
||||
* the serial interface works, and this piece will just be removed.
|
||||
*/
|
||||
{
|
||||
const char *s = "What? tr_interrupt in simulator??\n";
|
||||
SIMCOUT(s,strlen(s));
|
||||
}
|
||||
return IRQ_HANDLED;
|
||||
#endif
|
||||
|
||||
/* find out the line that caused this irq and get it from rs_table */
|
||||
|
||||
ireg = *R_IRQ_MASK2_RD; /* get the active irq bits for the dma channels */
|
||||
@ -2021,17 +1965,6 @@ rec_interrupt(int irq, void *dev_id)
|
||||
int i;
|
||||
int handled = 0;
|
||||
|
||||
#ifdef CONFIG_SVINTO_SIM
|
||||
/* No receive in the simulator. Will probably be when the rest of
|
||||
* the serial interface works, and this piece will just be removed.
|
||||
*/
|
||||
{
|
||||
const char *s = "What? rec_interrupt in simulator??\n";
|
||||
SIMCOUT(s,strlen(s));
|
||||
}
|
||||
return IRQ_HANDLED;
|
||||
#endif
|
||||
|
||||
/* find out the line that caused this irq and get it from rs_table */
|
||||
|
||||
ireg = *R_IRQ_MASK2_RD; /* get the active irq bits for the dma channels */
|
||||
@ -2173,10 +2106,6 @@ timed_flush_handler(unsigned long ptr)
|
||||
struct e100_serial *info;
|
||||
int i;
|
||||
|
||||
#ifdef CONFIG_SVINTO_SIM
|
||||
return;
|
||||
#endif
|
||||
|
||||
for (i = 0; i < NR_PORTS; i++) {
|
||||
info = rs_table + i;
|
||||
if (info->uses_dma_in)
|
||||
@ -2729,25 +2658,6 @@ startup(struct e100_serial * info)
|
||||
printk("starting up ttyS%d (xmit_buf 0x%p)...\n", info->line, info->xmit.buf);
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_SVINTO_SIM
|
||||
/* Bits and pieces collected from below. Better to have them
|
||||
in one ifdef:ed clause than to mix in a lot of ifdefs,
|
||||
right? */
|
||||
if (info->port.tty)
|
||||
clear_bit(TTY_IO_ERROR, &info->port.tty->flags);
|
||||
|
||||
info->xmit.head = info->xmit.tail = 0;
|
||||
info->first_recv_buffer = info->last_recv_buffer = NULL;
|
||||
info->recv_cnt = info->max_recv_cnt = 0;
|
||||
|
||||
for (i = 0; i < SERIAL_RECV_DESCRIPTORS; i++)
|
||||
info->rec_descr[i].buf = NULL;
|
||||
|
||||
/* No real action in the simulator, but may set info important
|
||||
to ioctl. */
|
||||
change_speed(info);
|
||||
#else
|
||||
|
||||
/*
|
||||
* Clear the FIFO buffers and disable them
|
||||
* (they will be reenabled in change_speed())
|
||||
@ -2837,8 +2747,6 @@ startup(struct e100_serial * info)
|
||||
e100_rts(info, 1);
|
||||
e100_dtr(info, 1);
|
||||
|
||||
#endif /* CONFIG_SVINTO_SIM */
|
||||
|
||||
info->port.flags |= ASYNC_INITIALIZED;
|
||||
|
||||
local_irq_restore(flags);
|
||||
@ -2857,7 +2765,6 @@ shutdown(struct e100_serial * info)
|
||||
struct etrax_recv_buffer *buffer;
|
||||
int i;
|
||||
|
||||
#ifndef CONFIG_SVINTO_SIM
|
||||
/* shut down the transmitter and receiver */
|
||||
DFLOW(DEBUG_LOG(info->line, "shutdown %i\n", info->line));
|
||||
e100_disable_rx(info);
|
||||
@ -2882,8 +2789,6 @@ shutdown(struct e100_serial * info)
|
||||
info->tr_running = 0;
|
||||
}
|
||||
|
||||
#endif /* CONFIG_SVINTO_SIM */
|
||||
|
||||
if (!(info->port.flags & ASYNC_INITIALIZED))
|
||||
return;
|
||||
|
||||
@ -2995,17 +2900,12 @@ change_speed(struct e100_serial *info)
|
||||
IO_STATE(R_ALT_SER_BAUDRATE, ser0_tr, normal);
|
||||
r_alt_ser_baudrate_shadow &= ~mask;
|
||||
r_alt_ser_baudrate_shadow |= (alt_source << (info->line*8));
|
||||
#ifndef CONFIG_SVINTO_SIM
|
||||
*R_ALT_SER_BAUDRATE = r_alt_ser_baudrate_shadow;
|
||||
#endif /* CONFIG_SVINTO_SIM */
|
||||
|
||||
info->baud = cflag_to_baud(cflag);
|
||||
#ifndef CONFIG_SVINTO_SIM
|
||||
info->ioport[REG_BAUD] = cflag_to_etrax_baud(cflag);
|
||||
#endif /* CONFIG_SVINTO_SIM */
|
||||
}
|
||||
|
||||
#ifndef CONFIG_SVINTO_SIM
|
||||
/* start with default settings and then fill in changes */
|
||||
local_irq_save(flags);
|
||||
/* 8 bit, no/even parity */
|
||||
@ -3073,7 +2973,6 @@ change_speed(struct e100_serial *info)
|
||||
|
||||
*((unsigned long *)&info->ioport[REG_XOFF]) = xoff;
|
||||
local_irq_restore(flags);
|
||||
#endif /* !CONFIG_SVINTO_SIM */
|
||||
|
||||
update_char_time(info);
|
||||
|
||||
@ -3122,11 +3021,6 @@ static int rs_raw_write(struct tty_struct *tty,
|
||||
count, info->ioport[REG_STATUS]);
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_SVINTO_SIM
|
||||
/* Really simple. The output is here and now. */
|
||||
SIMCOUT(buf, count);
|
||||
return count;
|
||||
#endif
|
||||
local_save_flags(flags);
|
||||
DFLOW(DEBUG_LOG(info->line, "write count %i ", count));
|
||||
DFLOW(DEBUG_LOG(info->line, "ldisc %i\n", tty->ldisc.chars_in_buffer(tty)));
|
||||
@ -3463,7 +3357,6 @@ static int
|
||||
get_lsr_info(struct e100_serial * info, unsigned int *value)
|
||||
{
|
||||
unsigned int result = TIOCSER_TEMT;
|
||||
#ifndef CONFIG_SVINTO_SIM
|
||||
unsigned long curr_time = jiffies;
|
||||
unsigned long curr_time_usec = GET_JIFFIES_USEC();
|
||||
unsigned long elapsed_usec =
|
||||
@ -3474,7 +3367,6 @@ get_lsr_info(struct e100_serial * info, unsigned int *value)
|
||||
elapsed_usec < 2*info->char_time_usec) {
|
||||
result = 0;
|
||||
}
|
||||
#endif
|
||||
|
||||
if (copy_to_user(value, &result, sizeof(int)))
|
||||
return -EFAULT;
|
||||
@ -3804,7 +3696,6 @@ rs_close(struct tty_struct *tty, struct file * filp)
|
||||
e100_disable_serial_data_irq(info);
|
||||
#endif
|
||||
|
||||
#ifndef CONFIG_SVINTO_SIM
|
||||
e100_disable_rx(info);
|
||||
e100_disable_rx_irq(info);
|
||||
|
||||
@ -3816,7 +3707,6 @@ rs_close(struct tty_struct *tty, struct file * filp)
|
||||
*/
|
||||
rs_wait_until_sent(tty, HZ);
|
||||
}
|
||||
#endif
|
||||
|
||||
shutdown(info);
|
||||
rs_flush_buffer(tty);
|
||||
@ -4479,7 +4369,6 @@ static int __init rs_init(void)
|
||||
fast_timer_init();
|
||||
#endif
|
||||
|
||||
#ifndef CONFIG_SVINTO_SIM
|
||||
#ifndef CONFIG_ETRAX_KGDB
|
||||
/* Not needed in simulator. May only complicate stuff. */
|
||||
/* hook the irq's for DMA channel 6 and 7, serial output and input, and some more... */
|
||||
@ -4489,7 +4378,6 @@ static int __init rs_init(void)
|
||||
panic("%s: Failed to request irq8", __func__);
|
||||
|
||||
#endif
|
||||
#endif /* CONFIG_SVINTO_SIM */
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user