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authorAlexey Brodkin <abrodkin@synopsys.com>2016-02-20 11:30:19 +0300
committerAlexey Brodkin <abrodkin@synopsys.com>2016-04-11 10:20:30 -0700
commit8b15010b1fc6a0da76db0b5d96d12ffe69990dbe (patch)
tree7a3b8333d5e008e4d9b64f8a1267f15809b81f0f /drivers/serial
parent9dbdc6ebd4db60effebefcf8d541cf598712e3b7 (diff)
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arc: get rid of running_on_hw
ISS is obsolete now and nSIM is used for simulation instead. In its turn nSIM properly handles baud-rate settings so get rid of now useless check. Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Diffstat (limited to 'drivers/serial')
-rw-r--r--drivers/serial/serial_arc.c16
1 files changed, 0 insertions, 16 deletions
diff --git a/drivers/serial/serial_arc.c b/drivers/serial/serial_arc.c
index 6292eb1..326a536 100644
--- a/drivers/serial/serial_arc.c
+++ b/drivers/serial/serial_arc.c
@@ -42,23 +42,7 @@ static int arc_serial_setbrg(struct udevice *dev, int baudrate)
int arc_console_baud = gd->cpu_clk / (baudrate * 4) - 1;
writeb(arc_console_baud & 0xff, &regs->baudl);
-
-#ifdef CONFIG_ARC
- /*
- * UART ISS(Instruction Set simulator) emulation has a subtle bug:
- * A existing value of Baudh = 0 is used as a indication to startup
- * it's internal state machine.
- * Thus if baudh is set to 0, 2 times, it chokes.
- * This happens with BAUD=115200 and the formaula above
- * Until that is fixed, when running on ISS, we will set baudh to !0
- */
- if (gd->arch.running_on_hw)
- writeb((arc_console_baud & 0xff00) >> 8, &regs->baudh);
- else
- writeb(1, &regs->baudh);
-#else
writeb((arc_console_baud & 0xff00) >> 8, &regs->baudh);
-#endif
return 0;
}