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authorSubrata Banik <subrata.banik@intel.com>2017-08-17 14:34:17 +0530
committerMartin Roth <martinroth@google.com>2017-08-21 16:30:24 +0000
commit226065834b046bdeba43b71e63ec896c9adfeb0b (patch)
treea37d6965de94d3ffe9f5a09e60c8040bfc29dee4 /src
parent7e9cb9281581fdf1b75ef5e6f32a1ec322e11c8f (diff)
soc/intel/cannonlake: Add support for all UART port index
Select LPSS UART Base address based on LPSS UART port index. Change-Id: I31b239e7e6b7e9ac8ea2fcfbcbd8cb148ef9e586 Signed-off-by: Subrata Banik <subrata.banik@intel.com> Reviewed-on: https://review.coreboot.org/20999 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src')
-rw-r--r--src/soc/intel/cannonlake/include/soc/iomap.h8
-rw-r--r--src/soc/intel/cannonlake/uart.c2
2 files changed, 7 insertions, 3 deletions
diff --git a/src/soc/intel/cannonlake/include/soc/iomap.h b/src/soc/intel/cannonlake/include/soc/iomap.h
index c2bb0500db..82c57bc56b 100644
--- a/src/soc/intel/cannonlake/include/soc/iomap.h
+++ b/src/soc/intel/cannonlake/include/soc/iomap.h
@@ -28,8 +28,12 @@
#define PCH_TRACE_HUB_BASE_ADDRESS 0xfc800000
#define PCH_TRACE_HUB_BASE_SIZE 0x00800000
-#define UART_DEBUG_BASE_ADDRESS 0xfe036000
-#define UART_DEBUG_BASE_SIZE 0x1000
+
+#define UART_DEBUG_BASE_0_SIZE 0x1000
+#define UART_BASE_0_ADDRESS 0xfe032000
+/* Both UART BAR 0 and 1 are 4KB in size */
+#define UART_BASE_0_ADDR(x) (UART_BASE_0_ADDRESS + (2 * \
+ UART_DEBUG_BASE_0_SIZE * (x)))
#define EARLY_I2C_BASE_ADDRESS 0xfe040000
#define EARLY_I2C_BASE(x) (EARLY_I2C_BASE_ADDRESS + (0x1000 * (x)))
diff --git a/src/soc/intel/cannonlake/uart.c b/src/soc/intel/cannonlake/uart.c
index af224eb9ce..66883ec7e3 100644
--- a/src/soc/intel/cannonlake/uart.c
+++ b/src/soc/intel/cannonlake/uart.c
@@ -79,6 +79,6 @@ void pch_uart_init(void)
uintptr_t uart_platform_base(int idx)
{
/* We can only have one serial console at a time */
- return UART_DEBUG_BASE_ADDRESS;
+ return UART_BASE_0_ADDR(idx);
}
#endif