* (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 <ns16550.h>
+#include <linux/compiler.h>
#include <asm/io.h>
-#include <asm/arch/tegra2.h>
-#include <asm/arch/sys_proto.h>
-
-#include <asm/arch/clk_rst.h>
#include <asm/arch/clock.h>
+#ifdef CONFIG_LCD
+#include <asm/arch/display.h>
+#endif
+#include <asm/arch/funcmux.h>
#include <asm/arch/pinmux.h>
-#include <asm/arch/uart.h>
-#include "board.h"
-
-#ifdef CONFIG_TEGRA2_MMC
-#include <mmc.h>
+#include <asm/arch/pmu.h>
+#ifdef CONFIG_PWM_TEGRA
+#include <asm/arch/pwm.h>
+#endif
+#include <asm/arch/tegra.h>
+#include <asm/arch-tegra/board.h>
+#include <asm/arch-tegra/clk_rst.h>
+#include <asm/arch-tegra/pmc.h>
+#include <asm/arch-tegra/sys_proto.h>
+#include <asm/arch-tegra/uart.h>
+#include <asm/arch-tegra/warmboot.h>
+#ifdef CONFIG_TEGRA_CLOCK_SCALING
+#include <asm/arch/emc.h>
+#endif
+#ifdef CONFIG_USB_EHCI_TEGRA
+#include <asm/arch-tegra/usb.h>
+#include <asm/arch/usb.h>
#endif
+#ifdef CONFIG_TEGRA_MMC
+#include <asm/arch-tegra/tegra_mmc.h>
+#include <asm/arch-tegra/mmc.h>
+#endif
+#include <i2c.h>
+#include <spi.h>
+#include "emc.h"
DECLARE_GLOBAL_DATA_PTR;
-const struct tegra2_sysinfo sysinfo = {
- CONFIG_TEGRA2_BOARD_STRING
+const struct tegra_sysinfo sysinfo = {
+ CONFIG_TEGRA_BOARD_STRING
};
+#ifndef CONFIG_SPL_BUILD
/*
* Routine: timer_init
* Description: init the timestamp and lastinc value
{
return 0;
}
+#endif
-static void enable_uart(enum periph_id pid)
+void __pin_mux_usb(void)
{
- /* 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);
+void pin_mux_usb(void) __attribute__((weak, alias("__pin_mux_usb")));
- /* De-assert reset to UART */
- reset_set_enable(pid, 0);
+void __pin_mux_spi(void)
+{
}
-/*
- * Routine: clock_init_uart
- * Description: init the PLL and clock for the UART(s)
- */
-static void clock_init_uart(void)
+void pin_mux_spi(void) __attribute__((weak, alias("__pin_mux_spi")));
+
+void __gpio_early_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)
+void gpio_early_init_uart(void)
+__attribute__((weak, alias("__gpio_early_init_uart")));
+
+void __pin_mux_nand(void)
+{
+ funcmux_select(PERIPH_ID_NDFLASH, FUNCMUX_DEFAULT);
+}
+
+void pin_mux_nand(void) __attribute__((weak, alias("__pin_mux_nand")));
+
+void __pin_mux_display(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 */
}
-#ifdef CONFIG_TEGRA2_MMC
+void pin_mux_display(void) __attribute__((weak, alias("__pin_mux_display")));
+
/*
- * Routine: pin_mux_mmc
- * Description: setup the pin muxes/tristate values for the SDMMC(s)
+ * Routine: power_det_init
+ * Description: turn off power detects
*/
-static void pin_mux_mmc(void)
+static void power_det_init(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);
-}
+#if defined(CONFIG_TEGRA20)
+ struct pmc_ctlr *const pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
+
+ /* turn off power detects */
+ writel(0, &pmc->pmc_pwr_det_latch);
+ writel(0, &pmc->pmc_pwr_det);
#endif
+}
/*
* Routine: board_init
*/
int board_init(void)
{
+ __maybe_unused int err;
+
+ /* Do clocks and UART first so that printf() works */
clock_init();
clock_verify();
+#ifdef CONFIG_FDT_SPI
+ pin_mux_spi();
+ spi_init();
+#endif
+
+#ifdef CONFIG_PWM_TEGRA
+ if (pwm_init(gd->fdt_blob))
+ debug("%s: Failed to init pwm\n", __func__);
+#endif
+#ifdef CONFIG_LCD
+ pin_mux_display();
+ tegra_lcd_check_next_stage(gd->fdt_blob, 0);
+#endif
/* boot param addr */
gd->bd->bi_boot_params = (NV_PA_SDRAM_BASE + 0x100);
+ power_det_init();
+
+#ifdef CONFIG_SYS_I2C_TEGRA
+#ifndef CONFIG_SYS_I2C_INIT_BOARD
+#error "You must define CONFIG_SYS_I2C_INIT_BOARD to use i2c on Nvidia boards"
+#endif
+ i2c_init_board();
+# ifdef CONFIG_TEGRA_PMU
+ if (pmu_set_nominal())
+ debug("Failed to select nominal voltages\n");
+# ifdef CONFIG_TEGRA_CLOCK_SCALING
+ err = board_emc_init();
+ if (err)
+ debug("Memory controller init failed: %d\n", err);
+# endif
+# endif /* CONFIG_TEGRA_PMU */
+#endif /* CONFIG_SYS_I2C_TEGRA */
+
+#ifdef CONFIG_USB_EHCI_TEGRA
+ pin_mux_usb();
+ board_usb_init(gd->fdt_blob);
+#endif
+#ifdef CONFIG_LCD
+ tegra_lcd_check_next_stage(gd->fdt_blob, 0);
+#endif
+
+#ifdef CONFIG_TEGRA_NAND
+ pin_mux_nand();
+#endif
+
+#ifdef CONFIG_TEGRA_LP0
+ /* save Sdram params to PMC 2, 4, and 24 for WB0 */
+ warmboot_save_sdram_params();
+
+ /* prepare the WB code to LP0 location */
+ warmboot_prepare_code(TEGRA_LP0_ADDR, TEGRA_LP0_SIZE);
+#endif
+
return 0;
}
-#ifdef CONFIG_TEGRA2_MMC
+#ifdef CONFIG_BOARD_EARLY_INIT_F
+static void __gpio_early_init(void)
+{
+}
+
+void gpio_early_init(void) __attribute__((weak, alias("__gpio_early_init")));
+
+int board_early_init_f(void)
+{
+#if !defined(CONFIG_TEGRA20)
+ pinmux_init();
+#endif
+ board_init_uart_f();
+
+ /* Initialize periph GPIOs */
+ gpio_early_init();
+ gpio_early_init_uart();
+#ifdef CONFIG_LCD
+ tegra_lcd_early_init(gd->fdt_blob);
+#endif
+
+ return 0;
+}
+#endif /* EARLY_INIT */
+
+int board_late_init(void)
+{
+#ifdef CONFIG_LCD
+ /* Make sure we finish initing the LCD */
+ tegra_lcd_check_next_stage(gd->fdt_blob, 1);
+#endif
+ return 0;
+}
+
+#if defined(CONFIG_TEGRA_MMC)
+void __pin_mux_mmc(void)
+{
+}
+
+void pin_mux_mmc(void) __attribute__((weak, alias("__pin_mux_mmc")));
+
/* this is a weak define that we are overriding */
int board_mmc_init(bd_t *bd)
{
- debug("board_mmc_init called\n");
+ debug("%s called\n", __func__);
+
/* Enable muxes, etc. for SDMMC controllers */
pin_mux_mmc();
- gpio_config_mmc();
-
- debug("board_mmc_init: init eMMC\n");
- /* init dev 0, eMMC chip, with 4-bit bus */
- tegra2_mmc_init(0, 4);
- debug("board_mmc_init: init SD slot\n");
- /* init dev 1, SD slot, with 4-bit bus */
- tegra2_mmc_init(1, 4);
+ debug("%s: init MMC\n", __func__);
+ tegra_mmc_init();
return 0;
}
-#endif
-#ifdef CONFIG_BOARD_EARLY_INIT_F
-int board_early_init_f(void)
+void pad_init_mmc(struct mmc_host *host)
{
- /* Initialize essential common plls */
- clock_early_init();
+#if defined(CONFIG_TEGRA30)
+ enum periph_id id = host->mmc_id;
+ u32 val;
- /* Initialize UART clocks */
- clock_init_uart();
+ debug("%s: sdmmc address = %08x, id = %d\n", __func__,
+ (unsigned int)host->reg, id);
- /* Initialize periph pinmuxes */
- pin_mux_uart();
+ /* Set the pad drive strength for SDMMC1 or 3 only */
+ if (id != PERIPH_ID_SDMMC1 && id != PERIPH_ID_SDMMC3) {
+ debug("%s: settings are only valid for SDMMC1/SDMMC3!\n",
+ __func__);
+ return;
+ }
- /* Initialize periph GPIOs */
- gpio_config_uart();
+ val = readl(&host->reg->sdmemcmppadctl);
+ val &= 0xFFFFFFF0;
+ val |= MEMCOMP_PADCTRL_VREF;
+ writel(val, &host->reg->sdmemcmppadctl);
- /* Init UART, scratch regs, and start CPU */
- tegra2_start();
- return 0;
+ val = readl(&host->reg->autocalcfg);
+ val &= 0xFFFF0000;
+ val |= AUTO_CAL_PU_OFFSET | AUTO_CAL_PD_OFFSET | AUTO_CAL_ENABLED;
+ writel(val, &host->reg->autocalcfg);
+#endif /* T30 */
}
-#endif /* EARLY_INIT */
+#endif /* MMC */
projects / karo-tx-uboot.git / blobdiff