mirror of
https://github.com/AsahiLinux/u-boot
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bcd7f89414
The 'local-mac-address' property needs to be adjusted to the MAC address value stored in U-Boot's 'ethaddr' env variable. Signed-off-by: Lukasz Majewski <lukma@denx.de>
185 lines
3.6 KiB
C
185 lines
3.6 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* XEA iMX28 board
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*
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* Copyright (C) 2019 DENX Software Engineering
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* Lukasz Majewski, DENX Software Engineering, lukma@denx.de
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*
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* Copyright (C) 2018 DENX Software Engineering
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* Måns Rullgård, DENX Software Engineering, mans@mansr.com
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*
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* Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com>
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* on behalf of DENX Software Engineering GmbH
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*
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*/
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#include <common.h>
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#include <asm/gpio.h>
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#include <asm/io.h>
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#include <asm/arch/imx-regs.h>
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#include <asm/arch/iomux-mx28.h>
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#include <asm/arch/clock.h>
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#include <asm/arch/sys_proto.h>
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#include <linux/mii.h>
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#include <miiphy.h>
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#include <netdev.h>
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#include <errno.h>
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#include <usb.h>
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#include <serial.h>
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#ifdef CONFIG_SPL_BUILD
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#include <spl.h>
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#endif
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DECLARE_GLOBAL_DATA_PTR;
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/*
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* Functions
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*/
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static void init_clocks(void)
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{
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/* IO0 clock at 480MHz */
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mxs_set_ioclk(MXC_IOCLK0, 480000);
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/* IO1 clock at 480MHz */
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mxs_set_ioclk(MXC_IOCLK1, 480000);
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/* SSP0 clock at 96MHz */
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mxs_set_sspclk(MXC_SSPCLK0, 96000, 0);
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/* SSP2 clock at 160MHz */
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mxs_set_sspclk(MXC_SSPCLK2, 160000, 0);
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/* SSP3 clock at 96MHz */
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mxs_set_sspclk(MXC_SSPCLK3, 96000, 0);
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}
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#ifdef CONFIG_SPL_BUILD
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void board_init_f(ulong arg)
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{
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init_clocks();
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preloader_console_init();
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}
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static int boot_tiva0, boot_tiva1;
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/* Check if TIVAs request booting via U-Boot proper */
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void spl_board_init(void)
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{
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struct gpio_desc btiva0, btiva1;
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int ret;
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ret = dm_gpio_lookup_name("GPIO0_23", &btiva0);
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if (ret)
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printf("Cannot get GPIO0_23\n");
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ret = dm_gpio_lookup_name("GPIO0_25", &btiva1);
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if (ret)
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printf("Cannot get GPIO0_25\n");
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ret = dm_gpio_request(&btiva0, "boot-tiva0");
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if (ret)
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printf("Cannot request GPIO0_23\n");
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ret = dm_gpio_request(&btiva1, "boot-tiva1");
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if (ret)
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printf("Cannot request GPIO0_25\n");
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dm_gpio_set_dir_flags(&btiva0, GPIOD_IS_IN);
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dm_gpio_set_dir_flags(&btiva1, GPIOD_IS_IN);
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udelay(1000);
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boot_tiva0 = dm_gpio_get_value(&btiva0);
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boot_tiva1 = dm_gpio_get_value(&btiva1);
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}
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void board_boot_order(u32 *spl_boot_list)
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{
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spl_boot_list[0] = BOOT_DEVICE_MMC1;
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spl_boot_list[1] = BOOT_DEVICE_SPI;
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}
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int spl_start_uboot(void)
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{
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/* break into full u-boot on 'c' */
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if (serial_tstc() && serial_getc() == 'c')
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return 1;
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debug("%s: btiva0: %d btiva1: %d\n", __func__, boot_tiva0, boot_tiva1);
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return !boot_tiva0 || !boot_tiva1;
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}
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#else
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int board_early_init_f(void)
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{
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init_clocks();
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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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struct gpio_desc phy_rst;
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int ret;
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/* Address of boot parameters */
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gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
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cpu_eth_init(NULL);
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/* PHY INT#/PWDN# */
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ret = dm_gpio_lookup_name("GPIO4_13", &phy_rst);
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if (ret) {
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printf("Cannot get GPIO4_13\n");
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return ret;
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}
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ret = dm_gpio_request(&phy_rst, "phy-rst");
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if (ret) {
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printf("Cannot request GPIO4_13\n");
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return ret;
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}
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dm_gpio_set_dir_flags(&phy_rst, GPIOD_IS_IN);
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udelay(1000);
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return 0;
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}
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int dram_init(void)
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{
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return mxs_dram_init();
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}
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#ifdef CONFIG_OF_BOARD_SETUP
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static int fdt_fixup_l2switch(void *blob)
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{
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u8 ethaddr[6];
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int ret;
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if (eth_env_get_enetaddr("ethaddr", ethaddr)) {
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ret = fdt_find_and_setprop(blob,
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"/ahb@80080000/switch@800f0000",
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"local-mac-address", ethaddr, 6, 1);
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if (ret < 0)
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printf("%s: can't find usbether@1 node: %d\n",
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__func__, ret);
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}
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return 0;
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}
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int ft_board_setup(void *blob, bd_t *bd)
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{
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/*
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* i.MX28 L2 switch needs manual update (fixup) of eth MAC address
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* (in 'local-mac-address' property) as it uses "switch@800f0000"
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* node, not set by default FIT image handling code in
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* "ethernet@800f0000"
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*/
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fdt_fixup_l2switch(blob);
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return 0;
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}
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#endif
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#endif /* CONFIG_SPL_BUILD */
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