[U-Boot] [PATCH v3 2/8] tegra2: Add UARTB support
Simon Glass
sjg at chromium.org
Sat Nov 5 15:46:45 CET 2011
UARTB is used on some boards, so support it here.
Signed-off-by: Simon Glass <sjg at chromium.org>
---
board/nvidia/common/board.c | 10 ++++++++++
1 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/board/nvidia/common/board.c b/board/nvidia/common/board.c
index a5da310..a2d45c1 100644
--- a/board/nvidia/common/board.c
+++ b/board/nvidia/common/board.c
@@ -38,6 +38,7 @@ DECLARE_GLOBAL_DATA_PTR;
enum {
/* UARTs which we can enable */
UARTA = 1 << 0,
+ UARTB = 1 << 1,
UARTD = 1 << 3,
};
@@ -76,6 +77,8 @@ static void clock_init_uart(int uart_ids)
{
if (uart_ids & UARTA)
enable_uart(PERIPH_ID_UART1);
+ if (uart_ids & UARTB)
+ enable_uart(PERIPH_ID_UART2);
if (uart_ids & UARTD)
enable_uart(PERIPH_ID_UART4);
}
@@ -92,6 +95,10 @@ static void pin_mux_uart(int uart_ids)
pinmux_tristate_disable(PINGRP_IRRX);
pinmux_tristate_disable(PINGRP_IRTX);
}
+ if (uart_ids & UARTB) {
+ pinmux_set_func(PINGRP_UAD, PMUX_FUNC_IRDA);
+ pinmux_tristate_disable(PINGRP_UAD);
+ }
if (uart_ids & UARTD) {
pinmux_set_func(PINGRP_GMC, PMUX_FUNC_UARTD);
pinmux_tristate_disable(PINGRP_GMC);
@@ -121,6 +128,9 @@ int board_early_init_f(void)
#ifdef CONFIG_TEGRA2_ENABLE_UARTA
uart_ids |= UARTA;
#endif
+#ifdef CONFIG_TEGRA2_ENABLE_UARTB
+ uart_ids |= UARTB;
+#endif
#ifdef CONFIG_TEGRA2_ENABLE_UARTD
uart_ids |= UARTD;
#endif
--
1.7.3.1
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