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| author | Simon Glass <sjg@chromium.org> | 2011-11-28 15:04:40 +0000 |
|---|---|---|
| committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2011-12-24 10:23:32 +0100 |
| commit | f46a945653146d62e8e8261f119642e302d704d2 (patch) | |
| tree | 1d1a9953517c9c90729613d7e3825fbc824de63d /board/nvidia | |
| parent | bb6997f8402a9074fc7a97c6fb4b892a4dcb095b (diff) | |
| download | u-boot-midas-f46a945653146d62e8e8261f119642e302d704d2.tar.gz u-boot-midas-f46a945653146d62e8e8261f119642e302d704d2.tar.bz2 u-boot-midas-f46a945653146d62e8e8261f119642e302d704d2.zip | |
tegra: Move boards over to use arch-level board UART function
Now that we can set up the UART in common tegra code, make the boards
use it.
Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>
Diffstat (limited to 'board/nvidia')
| -rw-r--r-- | board/nvidia/common/board.c | 76 |
1 files changed, 2 insertions, 74 deletions
diff --git a/board/nvidia/common/board.c b/board/nvidia/common/board.c index 0ff656aeee..e8253a083d 100644 --- a/board/nvidia/common/board.c +++ b/board/nvidia/common/board.c @@ -27,6 +27,7 @@ #include <asm/arch/tegra2.h> #include <asm/arch/sys_proto.h> +#include <asm/arch/board.h> #include <asm/arch/clk_rst.h> #include <asm/arch/clock.h> #include <asm/arch/pinmux.h> @@ -36,13 +37,6 @@ DECLARE_GLOBAL_DATA_PTR; -enum { - /* UARTs which we can enable */ - UARTA = 1 << 0, - UARTB = 1 << 1, - UARTD = 1 << 3, -}; - const struct tegra2_sysinfo sysinfo = { CONFIG_TEGRA2_BOARD_STRING }; @@ -56,56 +50,6 @@ int timer_init(void) return 0; } -static void enable_uart(enum periph_id pid) -{ - /* Assert UART reset and enable clock */ - reset_set_enable(pid, 1); - clock_enable(pid); - clock_ll_set_source(pid, 0); /* UARTx_CLK_SRC = 00, PLLP_OUT0 */ - - /* wait for 2us */ - udelay(2); - - /* De-assert reset to UART */ - reset_set_enable(pid, 0); -} - -/* - * Routine: clock_init_uart - * Description: init clock for the UART(s) - */ -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); -} - -/* - * Routine: pin_mux_uart - * Description: setup the pin muxes/tristate values for the UART(s) - */ -static void pin_mux_uart(int uart_ids) -{ - if (uart_ids & UARTA) { - pinmux_set_func(PINGRP_IRRX, PMUX_FUNC_UARTA); - pinmux_set_func(PINGRP_IRTX, PMUX_FUNC_UARTA); - 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); - } -} - /* * Routine: board_init * Description: Early hardware init. @@ -131,23 +75,7 @@ int board_init(void) #ifdef CONFIG_BOARD_EARLY_INIT_F int board_early_init_f(void) { - int uart_ids = 0; /* bit mask of which UART ids to enable */ - -#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 - - /* Initialize UART clocks */ - clock_init_uart(uart_ids); - - /* Initialize periph pinmuxes */ - pin_mux_uart(uart_ids); + board_init_uart_f(); /* Initialize periph GPIOs */ #ifdef CONFIG_SPI_UART_SWITCH |