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Diffstat (limited to 'arch/mn10300/kernel/mn10300-serial-low.S')
-rw-r--r--arch/mn10300/kernel/mn10300-serial-low.S21
1 files changed, 12 insertions, 9 deletions
diff --git a/arch/mn10300/kernel/mn10300-serial-low.S b/arch/mn10300/kernel/mn10300-serial-low.S
index ef3f4c1df2a..b95e76caf4f 100644
--- a/arch/mn10300/kernel/mn10300-serial-low.S
+++ b/arch/mn10300/kernel/mn10300-serial-low.S
@@ -18,8 +18,8 @@
#include <asm/cpu-regs.h>
#include <asm/frame.inc>
#include <asm/timer-regs.h>
-#include <asm/proc/cache.h>
-#include <asm/unit/timex.h>
+#include <proc/cache.h>
+#include <unit/timex.h>
#include "mn10300-serial.h"
#define SCxCTR 0x00
@@ -39,7 +39,7 @@
###############################################################################
.balign L1_CACHE_BYTES
ENTRY(mn10300_serial_vdma_interrupt)
- or EPSW_IE,psw # permit overriding by
+# or EPSW_IE,psw # permit overriding by
# debugging interrupts
movm [d2,d3,a2,a3,exreg0],(sp)
@@ -118,8 +118,8 @@ ENTRY(mn10300_serial_vdma_tx_handler)
movbu d2,(e3) # ACK the interrupt
movhu (e3),d2 # flush
- btst 0x01,(__tx_break,a3) # handle transmit break request
- bne mnsc_vdma_tx_break
+ btst 0xFF,(__tx_flags,a3) # handle transmit flags
+ bne mnsc_vdma_tx_flags
movbu (SCxSTR,e2),d2 # don't try and transmit a char if the
# buffer is not empty
@@ -130,7 +130,7 @@ ENTRY(mn10300_serial_vdma_tx_handler)
or d2,d2
bne mnsc_vdma_tx_xchar
- mov (__tx_info_buffer,a3),a2 # get the uart_info struct for Tx
+ mov (__uart_state,a3),a2 # see if the TTY Tx queue has anything in it
mov (__xmit_tail,a2),d3
mov (__xmit_head,a2),d2
cmp d3,d2
@@ -164,18 +164,21 @@ mnsc_vdma_tx_noint:
rti
mnsc_vdma_tx_empty:
- mov +(GxICR_LEVEL_1|GxICR_DETECT),d2
+ mov +(NUM2GxICR_LEVEL(CONFIG_MN10300_SERIAL_IRQ_LEVEL)|GxICR_DETECT),d2
movhu d2,(e3) # disable the interrupt
movhu (e3),d2 # flush
bset MNSCx_TX_EMPTY,(__intr_flags,a3)
bra mnsc_vdma_tx_done
-mnsc_vdma_tx_break:
+mnsc_vdma_tx_flags:
+ btst MNSCx_TX_STOP,(__tx_flags,a3)
+ bne mnsc_vdma_tx_stop
movhu (SCxCTR,e2),d2 # turn on break mode
or SC01CTR_BKE,d2
movhu d2,(SCxCTR,e2)
- mov +(GxICR_LEVEL_1|GxICR_DETECT),d2
+mnsc_vdma_tx_stop:
+ mov +(NUM2GxICR_LEVEL(CONFIG_MN10300_SERIAL_IRQ_LEVEL)|GxICR_DETECT),d2
movhu d2,(e3) # disable transmit interrupts on this
# channel
movhu (e3),d2 # flush