MIPS: Octeon: Serial port fixes for OCTEON simulator.
For the simulator, fake a slow clock to get fast output.
In prom_putchar we have to mask the value so the simulator doesn't
ASSERT when printing non-ASCII characters.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
To: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/1255/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/cavium-octeon/serial.c b/arch/mips/cavium-octeon/serial.c
index 8240728..83eac37 100644
--- a/arch/mips/cavium-octeon/serial.c
+++ b/arch/mips/cavium-octeon/serial.c
@@ -65,7 +65,11 @@
p->type = PORT_OCTEON;
p->iotype = UPIO_MEM;
p->regshift = 3; /* I/O addresses are every 8 bytes */
- p->uartclk = mips_hpt_frequency;
+ if (octeon_is_simulation())
+ /* Make simulator output fast*/
+ p->uartclk = 115200 * 16;
+ else
+ p->uartclk = mips_hpt_frequency;
p->serial_in = octeon_serial_in;
p->serial_out = octeon_serial_out;
}
diff --git a/arch/mips/cavium-octeon/setup.c b/arch/mips/cavium-octeon/setup.c
index 44cb20c..d1b5ffa 100644
--- a/arch/mips/cavium-octeon/setup.c
+++ b/arch/mips/cavium-octeon/setup.c
@@ -702,7 +702,7 @@
} while ((lsrval & 0x20) == 0);
/* Write the byte */
- cvmx_write_csr(CVMX_MIO_UARTX_THR(octeon_uart), c);
+ cvmx_write_csr(CVMX_MIO_UARTX_THR(octeon_uart), c & 0xffull);
return 1;
}