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authorKyösti Mälkki <kyosti.malkki@gmail.com>2014-03-14 22:28:29 +0200
committerKyösti Mälkki <kyosti.malkki@gmail.com>2014-04-30 06:59:05 +0200
commit70342a7f51a0069446966c42db4dbc44f6db16ee (patch)
treec701e9fe78ca219fae3664fc7b4d54ab187f7f4f /src/drivers/uart/uart8250mem.c
parenta8d089d3acc0c2254b3dbeb04c1e622ab01e6d98 (diff)
downloadcoreboot-70342a7f51a0069446966c42db4dbc44f6db16ee.tar.gz
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uart: Support multiple ports
The port for console remains to be a compile time constant. The Kconfig option is changed to select an UART port with index to avoid putting map of UART base addresses in Kconfigs. With this change it is possible to have other than debug console on different UART port. Change-Id: Ie1845a946f8d3b2604ef5404edb31b2e811f3ccd Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: http://review.coreboot.org/5342 Tested-by: build bot (Jenkins) Reviewed-by: David Hendricks <dhendrix@chromium.org> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Diffstat (limited to 'src/drivers/uart/uart8250mem.c')
-rw-r--r--src/drivers/uart/uart8250mem.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/src/drivers/uart/uart8250mem.c b/src/drivers/uart/uart8250mem.c
index 5a186f07a..976bcb694 100644
--- a/src/drivers/uart/uart8250mem.c
+++ b/src/drivers/uart/uart8250mem.c
@@ -89,9 +89,9 @@ static void uart8250_mem_init(unsigned base_port, unsigned divisor)
write8(base_port + UART_LCR, CONFIG_TTYS0_LCS);
}
-void uart_init(void)
+void uart_init(int idx)
{
- u32 base = uart_platform_base(0);
+ u32 base = uart_platform_base(idx);
if (!base)
return;
@@ -100,25 +100,25 @@ void uart_init(void)
uart8250_mem_init(base, div);
}
-void uart_tx_byte(unsigned char data)
+void uart_tx_byte(int idx, unsigned char data)
{
- u32 base = uart_platform_base(0);
+ u32 base = uart_platform_base(idx);
if (!base)
return;
uart8250_mem_tx_byte(base, data);
}
-unsigned char uart_rx_byte(void)
+unsigned char uart_rx_byte(int idx)
{
- u32 base = uart_platform_base(0);
+ u32 base = uart_platform_base(idx);
if (!base)
return 0xff;
return uart8250_mem_rx_byte(base);
}
-void uart_tx_flush(void)
+void uart_tx_flush(int idx)
{
- u32 base = uart_platform_base(0);
+ u32 base = uart_platform_base(idx);
if (!base)
return;
uart8250_mem_tx_flush(base);