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| author | Wolfgang Denk <wd@denx.de> | 2011-12-10 22:46:48 +0100 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2011-12-10 22:46:48 +0100 |
| commit | b96a661aeadb1b68d1b589b47f99ce9d6b2769df (patch) | |
| tree | 4df62e827b8d33686bbd6da9d08e96fd7314eef2 /drivers/serial/serial_tegra2.c | |
| parent | 84d018268a8af1d9f271b398748652c5112e951a (diff) | |
| parent | 8ba1604d342076c29e375fa3196106eed1f84b2a (diff) | |
| download | olio-uboot-2014.01-b96a661aeadb1b68d1b589b47f99ce9d6b2769df.tar.xz olio-uboot-2014.01-b96a661aeadb1b68d1b589b47f99ce9d6b2769df.zip | |
Merge branch 'master' of git://git.denx.de/u-boot-arm
* 'master' of git://git.denx.de/u-boot-arm:
M28: Cleanup memsize.o OOT build
i.MX28: Move SPL to arch/arm/cpu/arm926ejs/mx28
M28: Fix typo
M28: Document that units has to be set to sectors on SD bootcard
i.mx: i.mx6q: add the initial support for i.mx6q ARM2 board
i.mx: mxc_gpio: add the i.mx6q support
i.mx: add the initial support for freescale i.MX6Q processor
i.mx: introduce the armv7/imx-common folder
S5PC2XX: Rename S5pc2XX to exynos
tegra2: Don't use board pointer before it is set up
tegra2: Remove unneeded 'dynamic ram size' message
tegra2: Remove unused low-level Tegra2 UART code
tegra2: Remove unneeded config option
tegra2: Remove unneeded boot code
tegra2: Enable instruction cache
arm: Move CP15 init out of cpu_init_crit()
tegra2: Simplify tegra_start() boot path
tegra2: Add arch_cpu_init() to fire up Cortex-A9
tegra2: Use new GPIO APIs in gpio_config_uart()
tegra2: Add support for Ventana
tegra2: Modify MMC driver to handle power and cd GPIOs
tegra2: Move board_mmc_init into board files
Diffstat (limited to 'drivers/serial/serial_tegra2.c')
| -rw-r--r-- | drivers/serial/serial_tegra2.c | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/drivers/serial/serial_tegra2.c b/drivers/serial/serial_tegra2.c deleted file mode 100644 index 8ff34ea1b..000000000 --- a/drivers/serial/serial_tegra2.c +++ /dev/null @@ -1,77 +0,0 @@ -/* - * (C) Copyright 2010,2011 - * NVIDIA Corporation <www.nvidia.com> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <ns16550.h> -#include <asm/io.h> -#include <asm/arch/tegra2.h> -#include "serial_tegra2.h" - -static void setup_uart(struct uart_ctlr *u) -{ - u32 reg; - - /* Prepare the divisor value */ - reg = NVRM_PLLP_FIXED_FREQ_KHZ * 1000 / NV_DEFAULT_DEBUG_BAUD / 16; - - /* Set up UART parameters */ - writel(UART_LCR_DLAB, &u->uart_lcr); - writel(reg, &u->uart_thr_dlab_0); - writel(0, &u->uart_ier_dlab_0); - writel(0, &u->uart_lcr); /* clear DLAB */ - writel((UART_FCR_TRIGGER_3 | UART_FCR_FIFO_EN | \ - UART_FCR_CLEAR_XMIT | UART_FCR_CLEAR_RCVR), &u->uart_iir_fcr); - writel(0, &u->uart_ier_dlab_0); - writel(UART_LCR_WLS_8, &u->uart_lcr); /* 8N1 */ - writel(UART_MCR_RTS, &u->uart_mcr); - writel(0, &u->uart_msr); - writel(0, &u->uart_spr); - writel(0, &u->uart_irda_csr); - writel(0, &u->uart_asr); - writel((UART_FCR_TRIGGER_3 | UART_FCR_FIFO_EN), &u->uart_iir_fcr); - - /* Flush any old characters out of the RX FIFO */ - reg = readl(&u->uart_lsr); - - while (reg & UART_LSR_DR) { - reg = readl(&u->uart_thr_dlab_0); - reg = readl(&u->uart_lsr); - } -} - -/* - * Routine: uart_init - * Description: init the UART clocks, muxes, and baudrate/parity/etc. - */ -void uart_init(void) -{ - struct uart_ctlr *uart = (struct uart_ctlr *)NV_PA_APB_UARTD_BASE; -#if defined(CONFIG_TEGRA2_ENABLE_UARTD) - setup_uart(uart); -#endif /* CONFIG_TEGRA2_ENABLE_UARTD */ -#if defined(CONFIG_TEGRA2_ENABLE_UARTA) - uart = (struct uart_ctlr *)NV_PA_APB_UARTA_BASE; - - setup_uart(uart); -#endif /* CONFIG_TEGRA2_ENABLE_UARTA */ -} |