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https://github.com/AsahiLinux/u-boot
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bcee8d6764
At present if CONFIG_SPL_GPIO_SUPPORT is enabled then the GPIO uclass is included in SPL/TPL without any control for boards. Some boards may want to disable this to reduce code size where GPIOs are not needed in SPL or TPL. Add a new Kconfig option to permit this. Default it to 'y' so that existing boards work correctly. Change existing uses of CONFIG_DM_GPIO to CONFIG_IS_ENABLED(DM_GPIO) to preserve the current behaviour. Also update the 74x164 GPIO driver since it cannot build with SPL. This allows us to remove the hacks in config_uncmd_spl.h and Makefile.uncmd_spl (eventually those files should be removed). Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
126 lines
2.2 KiB
C
126 lines
2.2 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright 2019 Toradex
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*/
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#include <common.h>
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#include <init.h>
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#include <asm/arch/clock.h>
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#include <asm/arch/imx8-pins.h>
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#include <asm/arch/iomux.h>
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#include <asm/arch/sci/sci.h>
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#include <asm/arch/sys_proto.h>
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#include <asm/gpio.h>
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#include <asm/io.h>
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#include <env.h>
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#include <errno.h>
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#include <linux/libfdt.h>
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#include "../common/tdx-cfg-block.h"
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DECLARE_GLOBAL_DATA_PTR;
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#define UART_PAD_CTRL ((SC_PAD_CONFIG_OUT_IN << PADRING_CONFIG_SHIFT) | \
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(SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) | \
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(SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | \
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(SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))
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static iomux_cfg_t uart1_pads[] = {
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SC_P_UART1_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
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SC_P_UART1_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
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};
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static void setup_iomux_uart(void)
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{
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imx8_iomux_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
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}
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int board_early_init_f(void)
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{
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sc_pm_clock_rate_t rate = SC_80MHZ;
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sc_err_t err = 0;
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/* Set UART1 clock root to 80 MHz and enable it */
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err = sc_pm_setup_uart(SC_R_UART_1, rate);
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if (err != SC_ERR_NONE)
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return 0;
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setup_iomux_uart();
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return 0;
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}
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#if CONFIG_IS_ENABLED(DM_GPIO)
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static void board_gpio_init(void)
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{
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/* TODO */
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}
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#else
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static inline void board_gpio_init(void) {}
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#endif
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#if IS_ENABLED(CONFIG_FEC_MXC)
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#include <miiphy.h>
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int board_phy_config(struct phy_device *phydev)
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{
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if (phydev->drv->config)
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phydev->drv->config(phydev);
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return 0;
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}
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#endif
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int checkboard(void)
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{
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puts("Model: Toradex Apalis iMX8\n");
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build_info();
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print_bootinfo();
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return 0;
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}
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int board_init(void)
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{
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board_gpio_init();
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return 0;
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}
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void detail_board_ddr_info(void)
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{
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puts("\nDDR ");
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}
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/*
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* Board specific reset that is system reset.
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*/
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void reset_cpu(ulong addr)
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{
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/* TODO */
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}
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#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
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int ft_board_setup(void *blob, bd_t *bd)
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{
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return ft_common_board_setup(blob, bd);
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}
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#endif
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int board_mmc_get_env_dev(int devno)
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{
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return devno;
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}
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int board_late_init(void)
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{
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#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
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/* TODO move to common */
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env_set("board_name", "Apalis iMX8QM");
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env_set("board_rev", "v1.0");
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#endif
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return 0;
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}
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