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![Mateusz Zalega](/assets/img/avatar_default.png)
This commit unifies board-specific USB initialization implementations under one symbol (usb_board_init), declaration of which is available in usb.h. New API allows selective initialization of USB controllers whenever needed. Signed-off-by: Mateusz Zalega <m.zalega@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Reviewed-by: Lukasz Majewski <l.majewski@samsung.com> Cc: Marek Vasut <marex@denx.de> Cc: Lukasz Majewski <l.majewski@samsung.com>
262 lines
5.2 KiB
C
262 lines
5.2 KiB
C
/*
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* (C) Copyright 2010,2011
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* NVIDIA Corporation <www.nvidia.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <ns16550.h>
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#include <linux/compiler.h>
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#include <asm/io.h>
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#include <asm/arch/clock.h>
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#ifdef CONFIG_LCD
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#include <asm/arch/display.h>
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#endif
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#include <asm/arch/funcmux.h>
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#include <asm/arch/pinmux.h>
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#include <asm/arch/pmu.h>
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#ifdef CONFIG_PWM_TEGRA
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#include <asm/arch/pwm.h>
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#endif
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#include <asm/arch/tegra.h>
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#include <asm/arch-tegra/board.h>
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#include <asm/arch-tegra/clk_rst.h>
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#include <asm/arch-tegra/pmc.h>
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#include <asm/arch-tegra/sys_proto.h>
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#include <asm/arch-tegra/uart.h>
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#include <asm/arch-tegra/warmboot.h>
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#ifdef CONFIG_TEGRA_CLOCK_SCALING
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#include <asm/arch/emc.h>
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#endif
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#ifdef CONFIG_USB_EHCI_TEGRA
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#include <asm/arch-tegra/usb.h>
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#include <asm/arch/usb.h>
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#include <usb.h>
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#endif
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#ifdef CONFIG_TEGRA_MMC
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#include <asm/arch-tegra/tegra_mmc.h>
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#include <asm/arch-tegra/mmc.h>
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#endif
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#include <i2c.h>
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#include <spi.h>
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#include "emc.h"
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DECLARE_GLOBAL_DATA_PTR;
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const struct tegra_sysinfo sysinfo = {
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CONFIG_TEGRA_BOARD_STRING
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};
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#ifndef CONFIG_SPL_BUILD
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/*
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* Routine: timer_init
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* Description: init the timestamp and lastinc value
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*/
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int timer_init(void)
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{
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return 0;
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}
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#endif
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void __pin_mux_usb(void)
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{
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}
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void pin_mux_usb(void) __attribute__((weak, alias("__pin_mux_usb")));
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void __pin_mux_spi(void)
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{
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}
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void pin_mux_spi(void) __attribute__((weak, alias("__pin_mux_spi")));
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void __gpio_early_init_uart(void)
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{
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}
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void gpio_early_init_uart(void)
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__attribute__((weak, alias("__gpio_early_init_uart")));
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void __pin_mux_nand(void)
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{
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funcmux_select(PERIPH_ID_NDFLASH, FUNCMUX_DEFAULT);
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}
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void pin_mux_nand(void) __attribute__((weak, alias("__pin_mux_nand")));
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void __pin_mux_display(void)
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{
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}
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void pin_mux_display(void) __attribute__((weak, alias("__pin_mux_display")));
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/*
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* Routine: power_det_init
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* Description: turn off power detects
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*/
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static void power_det_init(void)
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{
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#if defined(CONFIG_TEGRA20)
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struct pmc_ctlr *const pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
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/* turn off power detects */
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writel(0, &pmc->pmc_pwr_det_latch);
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writel(0, &pmc->pmc_pwr_det);
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#endif
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}
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/*
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* Routine: board_init
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* Description: Early hardware init.
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*/
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int board_init(void)
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{
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__maybe_unused int err;
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/* Do clocks and UART first so that printf() works */
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clock_init();
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clock_verify();
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#ifdef CONFIG_FDT_SPI
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pin_mux_spi();
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spi_init();
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#endif
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#ifdef CONFIG_PWM_TEGRA
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if (pwm_init(gd->fdt_blob))
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debug("%s: Failed to init pwm\n", __func__);
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#endif
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#ifdef CONFIG_LCD
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pin_mux_display();
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tegra_lcd_check_next_stage(gd->fdt_blob, 0);
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#endif
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/* boot param addr */
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gd->bd->bi_boot_params = (NV_PA_SDRAM_BASE + 0x100);
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power_det_init();
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#ifdef CONFIG_SYS_I2C_TEGRA
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#ifndef CONFIG_SYS_I2C_INIT_BOARD
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#error "You must define CONFIG_SYS_I2C_INIT_BOARD to use i2c on Nvidia boards"
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#endif
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i2c_init_board();
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# ifdef CONFIG_TEGRA_PMU
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if (pmu_set_nominal())
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debug("Failed to select nominal voltages\n");
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# ifdef CONFIG_TEGRA_CLOCK_SCALING
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err = board_emc_init();
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if (err)
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debug("Memory controller init failed: %d\n", err);
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# endif
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# endif /* CONFIG_TEGRA_PMU */
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#endif /* CONFIG_SYS_I2C_TEGRA */
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#ifdef CONFIG_USB_EHCI_TEGRA
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pin_mux_usb();
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usb_process_devicetree(gd->fdt_blob);
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#endif
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#ifdef CONFIG_LCD
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tegra_lcd_check_next_stage(gd->fdt_blob, 0);
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#endif
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#ifdef CONFIG_TEGRA_NAND
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pin_mux_nand();
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#endif
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#ifdef CONFIG_TEGRA_LP0
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/* save Sdram params to PMC 2, 4, and 24 for WB0 */
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warmboot_save_sdram_params();
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/* prepare the WB code to LP0 location */
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warmboot_prepare_code(TEGRA_LP0_ADDR, TEGRA_LP0_SIZE);
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#endif
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return 0;
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}
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#ifdef CONFIG_BOARD_EARLY_INIT_F
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static void __gpio_early_init(void)
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{
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}
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void gpio_early_init(void) __attribute__((weak, alias("__gpio_early_init")));
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int board_early_init_f(void)
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{
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#if !defined(CONFIG_TEGRA20)
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pinmux_init();
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#endif
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board_init_uart_f();
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/* Initialize periph GPIOs */
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gpio_early_init();
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gpio_early_init_uart();
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#ifdef CONFIG_LCD
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tegra_lcd_early_init(gd->fdt_blob);
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#endif
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return 0;
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}
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#endif /* EARLY_INIT */
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int board_late_init(void)
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{
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#ifdef CONFIG_LCD
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/* Make sure we finish initing the LCD */
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tegra_lcd_check_next_stage(gd->fdt_blob, 1);
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#endif
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return 0;
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}
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#if defined(CONFIG_TEGRA_MMC)
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void __pin_mux_mmc(void)
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{
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}
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void pin_mux_mmc(void) __attribute__((weak, alias("__pin_mux_mmc")));
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/* this is a weak define that we are overriding */
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int board_mmc_init(bd_t *bd)
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{
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debug("%s called\n", __func__);
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/* Enable muxes, etc. for SDMMC controllers */
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pin_mux_mmc();
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debug("%s: init MMC\n", __func__);
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tegra_mmc_init();
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return 0;
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}
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void pad_init_mmc(struct mmc_host *host)
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{
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#if defined(CONFIG_TEGRA30)
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enum periph_id id = host->mmc_id;
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u32 val;
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debug("%s: sdmmc address = %08x, id = %d\n", __func__,
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(unsigned int)host->reg, id);
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/* Set the pad drive strength for SDMMC1 or 3 only */
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if (id != PERIPH_ID_SDMMC1 && id != PERIPH_ID_SDMMC3) {
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debug("%s: settings are only valid for SDMMC1/SDMMC3!\n",
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__func__);
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return;
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}
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val = readl(&host->reg->sdmemcmppadctl);
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val &= 0xFFFFFFF0;
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val |= MEMCOMP_PADCTRL_VREF;
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writel(val, &host->reg->sdmemcmppadctl);
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val = readl(&host->reg->autocalcfg);
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val &= 0xFFFF0000;
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val |= AUTO_CAL_PU_OFFSET | AUTO_CAL_PD_OFFSET | AUTO_CAL_ENABLED;
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writel(val, &host->reg->autocalcfg);
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#endif /* T30 */
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}
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#endif /* MMC */
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