diff options
Diffstat (limited to 'board/nvidia/common/board.c')
| -rw-r--r-- | board/nvidia/common/board.c | 73 |
1 files changed, 14 insertions, 59 deletions
diff --git a/board/nvidia/common/board.c b/board/nvidia/common/board.c index c806a6b..e8253a0 100644 --- a/board/nvidia/common/board.c +++ b/board/nvidia/common/board.c @@ -27,10 +27,12 @@ #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> #include <asm/arch/uart.h> +#include <spi.h> #include "board.h" DECLARE_GLOBAL_DATA_PTR; @@ -48,63 +50,22 @@ 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 the PLL and clock for the UART(s) - */ -static void clock_init_uart(void) -{ -#if defined(CONFIG_TEGRA2_ENABLE_UARTA) - enable_uart(PERIPH_ID_UART1); -#endif /* CONFIG_TEGRA2_ENABLE_UARTA */ -#if defined(CONFIG_TEGRA2_ENABLE_UARTD) - enable_uart(PERIPH_ID_UART4); -#endif /* CONFIG_TEGRA2_ENABLE_UARTD */ -} - -/* - * Routine: pin_mux_uart - * Description: setup the pin muxes/tristate values for the UART(s) - */ -static void pin_mux_uart(void) -{ -#if defined(CONFIG_TEGRA2_ENABLE_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); -#endif /* CONFIG_TEGRA2_ENABLE_UARTA */ -#if defined(CONFIG_TEGRA2_ENABLE_UARTD) - pinmux_set_func(PINGRP_GMC, PMUX_FUNC_UARTD); - - pinmux_tristate_disable(PINGRP_GMC); -#endif /* CONFIG_TEGRA2_ENABLE_UARTD */ -} - /* * Routine: board_init * Description: Early hardware init. */ int board_init(void) { + /* Do clocks and UART first so that printf() works */ clock_init(); clock_verify(); +#ifdef CONFIG_SPI_UART_SWITCH + gpio_config_uart(); +#endif +#ifdef CONFIG_TEGRA2_SPI + spi_init(); +#endif /* boot param addr */ gd->bd->bi_boot_params = (NV_PA_SDRAM_BASE + 0x100); @@ -114,20 +75,14 @@ int board_init(void) #ifdef CONFIG_BOARD_EARLY_INIT_F int board_early_init_f(void) { - /* We didn't do this init in start.S, so do it now */ - cpu_init_cp15(); - - /* Initialize essential common plls */ - clock_early_init(); - - /* Initialize UART clocks */ - clock_init_uart(); - - /* Initialize periph pinmuxes */ - pin_mux_uart(); + board_init_uart_f(); /* Initialize periph GPIOs */ +#ifdef CONFIG_SPI_UART_SWITCH + gpio_early_init_uart(); +#else gpio_config_uart(); +#endif return 0; } #endif /* EARLY_INIT */ |