* (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
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/io.h>
-#include <asm/arch/tegra2.h>
+#include <asm/arch/tegra.h>
+#include <asm/arch-tegra/board.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/funcmux.h>
+#include <asm/arch/gpio.h>
#include <asm/arch/pinmux.h>
#include <asm/gpio.h>
-#ifdef CONFIG_TEGRA2_MMC
-#include <mmc.h>
-#endif
-#include "../common/board.h"
-/*
- * Routine: gpio_config_uart_seaboard
- * Description: Force GPIO_PI3 low on Seaboard so UART4 works.
- */
-static void gpio_config_uart_seaboard(void)
+/* TODO: Remove this code when the SPI switch is working */
+#if (CONFIG_MACH_TYPE != MACH_TYPE_VENTANA)
+void gpio_early_init_uart(void)
{
- int gp = GPIO_PI3;
- struct gpio_ctlr *gpio = (struct gpio_ctlr *)NV_PA_GPIO_BASE;
- struct gpio_ctlr_bank *bank = &gpio->gpio_bank[GPIO_BANK(gp)];
- u32 val;
-
/* Enable UART via GPIO_PI3 (port 8, bit 3) so serial console works */
- val = readl(&bank->gpio_config[GPIO_PORT(gp)]);
- val |= 1 << GPIO_BIT(gp);
- writel(val, &bank->gpio_config[GPIO_PORT(gp)]);
-
- val = readl(&bank->gpio_out[GPIO_PORT(gp)]);
- val &= ~(1 << GPIO_BIT(gp));
- writel(val, &bank->gpio_out[GPIO_PORT(gp)]);
-
- val = readl(&bank->gpio_dir_out[GPIO_PORT(gp)]);
- val |= 1 << GPIO_BIT(gp);
- writel(val, &bank->gpio_dir_out[GPIO_PORT(gp)]);
-}
-
-void gpio_config_uart(void)
-{
- if (machine_is_ventana())
- return;
- gpio_config_uart_seaboard();
+#ifndef CONFIG_SPL_BUILD
+ gpio_request(GPIO_PI3, NULL);
+#endif
+ tegra_spl_gpio_direction_output(GPIO_PI3, 0);
}
+#endif
-#ifdef CONFIG_TEGRA2_MMC
+#ifdef CONFIG_TEGRA_MMC
/*
* Routine: pin_mux_mmc
* Description: setup the pin muxes/tristate values for the SDMMC(s)
*/
-static void pin_mux_mmc(void)
+void pin_mux_mmc(void)
{
- /* SDMMC4: config 3, x8 on 2nd set of pins */
- pinmux_set_func(PINGRP_ATB, PMUX_FUNC_SDIO4);
- pinmux_set_func(PINGRP_GMA, PMUX_FUNC_SDIO4);
- pinmux_set_func(PINGRP_GME, PMUX_FUNC_SDIO4);
-
- pinmux_tristate_disable(PINGRP_ATB);
- pinmux_tristate_disable(PINGRP_GMA);
- pinmux_tristate_disable(PINGRP_GME);
-
- /* SDMMC3: SDIO3_CLK, SDIO3_CMD, SDIO3_DAT[3:0] */
- pinmux_set_func(PINGRP_SDB, PMUX_FUNC_SDIO3);
- pinmux_set_func(PINGRP_SDC, PMUX_FUNC_SDIO3);
- pinmux_set_func(PINGRP_SDD, PMUX_FUNC_SDIO3);
-
- pinmux_tristate_disable(PINGRP_SDC);
- pinmux_tristate_disable(PINGRP_SDD);
- pinmux_tristate_disable(PINGRP_SDB);
+ funcmux_select(PERIPH_ID_SDMMC4, FUNCMUX_SDMMC4_ATB_GMA_GME_8_BIT);
+ funcmux_select(PERIPH_ID_SDMMC3, FUNCMUX_SDMMC3_SDB_4BIT);
/* For power GPIO PI6 */
- pinmux_tristate_disable(PINGRP_ATA);
+ pinmux_tristate_disable(PMUX_PINGRP_ATA);
/* For CD GPIO PI5 */
- pinmux_tristate_disable(PINGRP_ATC);
+ pinmux_tristate_disable(PMUX_PINGRP_ATC);
}
+#endif
-/* this is a weak define that we are overriding */
-int board_mmc_init(bd_t *bd)
+void pin_mux_usb(void)
{
- debug("board_mmc_init called\n");
-
- /* Enable muxes, etc. for SDMMC controllers */
- pin_mux_mmc();
-
- debug("board_mmc_init: init eMMC\n");
- /* init dev 0, eMMC chip, with 4-bit bus */
- /* The board has an 8-bit bus, but 8-bit doesn't work yet */
- tegra2_mmc_init(0, 4, -1, -1);
-
- debug("board_mmc_init: init SD slot\n");
- /* init dev 1, SD slot, with 4-bit bus */
- tegra2_mmc_init(1, 4, GPIO_PI6, GPIO_PI5);
-
- return 0;
+ /* For USB's GPIO PD0. For now, since we have no pinmux in fdt */
+ pinmux_tristate_disable(PMUX_PINGRP_SLXK);
}
-#endif