xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

MN10300: And Panasonic AM34 subarch and implement SMP

Browse Source 
Implement the Panasonic MN10300 AM34 CPU subarch and implement SMP support for
MN10300.  Also implement support for the MN2WS0060 processor and the ASB2364
evaluation board which are AM34 based.

Signed-off-by: Akira Takeuchi <takeuchi.akr@jp.panasonic.com>
Signed-off-by: Kiyoshi Owada <owada.kiyoshi@jp.panasonic.com>
Signed-off-by: David Howells <dhowells@redhat.com>
This commit is contained in:
Akira Takeuchi
2010-10-27 17:28:55 +01:00
committed by David Howells
parent 04157a6e7d
commit 368dd5acd1
80 changed files with 4500 additions and 487 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
arch/mn10300/kernel/gdb-io-ttysm.c
View File

@@ -58,9 +58,12 @@ void __init gdbstub_io_init(void)
gdbstub_io_set_baud(115200);
/* we want to get serial receive interrupts */
set_intr_level(gdbstub_port->rx_irq, GxICR_LEVEL_0);
set_intr_level(gdbstub_port->tx_irq, GxICR_LEVEL_0);
set_intr_stub(EXCEP_IRQ_LEVEL0, gdbstub_io_rx_handler);
set_intr_level(gdbstub_port->rx_irq,
NUM2GxICR_LEVEL(CONFIG_GDBSTUB_IRQ_LEVEL));
set_intr_level(gdbstub_port->tx_irq,
NUM2GxICR_LEVEL(CONFIG_GDBSTUB_IRQ_LEVEL));
set_intr_stub(NUM2EXCEP_IRQ_LEVEL(CONFIG_GDBSTUB_IRQ_LEVEL),
gdbstub_io_rx_handler);
*gdbstub_port->rx_icr |= GxICR_ENABLE;
tmp = *gdbstub_port->rx_icr;
@@ -84,12 +87,7 @@ void __init gdbstub_io_init(void)
tmp = *gdbstub_port->_control;
/* permit level 0 IRQs only */
asm volatile(
" and %0,epsw \n"
" or %1,epsw \n"
:
: "i"(~EPSW_IM), "i"(EPSW_IE|EPSW_IM_1)
);
local_change_intr_mask_level(NUM2EPSW_IM(CONFIG_GDBSTUB_IRQ_LEVEL + 1));
}
/*
@@ -184,6 +182,9 @@ int gdbstub_io_rx_char(unsigned char *_ch, int nonblock)
{
unsigned ix;
u8 ch, st;
#if defined(CONFIG_MN10300_WD_TIMER)
int cpu;
#endif
*_ch = 0xff;
@@ -201,8 +202,9 @@ try_again:
if (nonblock)
return -EAGAIN;
#ifdef CONFIG_MN10300_WD_TIMER
watchdog_alert_counter = 0;
#endif /* CONFIG_MN10300_WD_TIMER */
for (cpu = 0; cpu < NR_CPUS; cpu++)
watchdog_alert_counter[cpu] = 0;
#endif
goto try_again;
}