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https://github.com/AsahiLinux/u-boot
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d2691b4af2
In Serval SoC family there are 2 different pcb, both of them have the same phy, but with different version. Therefore implement board_phy_config and set all the phys in the same way. Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
86 lines
1.6 KiB
C
86 lines
1.6 KiB
C
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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/*
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* Copyright (c) 2018 Microsemi Corporation
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*/
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#include <common.h>
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#include <asm/io.h>
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#include <led.h>
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#include <miiphy.h>
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enum {
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BOARD_TYPE_PCB106 = 0xAABBCD00,
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BOARD_TYPE_PCB105,
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};
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int board_early_init_r(void)
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{
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/* Prepare SPI controller to be used in master mode */
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writel(0, BASE_CFG + ICPU_SW_MODE);
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/* Address of boot parameters */
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gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE;
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/* LED setup */
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if (IS_ENABLED(CONFIG_LED))
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led_default_state();
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return 0;
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}
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int board_phy_config(struct phy_device *phydev)
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{
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phy_write(phydev, 0, 31, 0x10);
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phy_write(phydev, 0, 18, 0x80F0);
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while (phy_read(phydev, 0, 18) & 0x8000)
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;
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phy_write(phydev, 0, 14, 0x800);
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phy_write(phydev, 0, 31, 0);
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return 0;
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}
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static void do_board_detect(void)
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{
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u16 gpio_in_reg;
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/* Set MDIO and MDC */
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mscc_gpio_set_alternate(9, 2);
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mscc_gpio_set_alternate(10, 2);
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/* Set GPIO page */
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mscc_phy_wr(1, 16, 31, 0x10);
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if (!mscc_phy_rd(1, 16, 15, &gpio_in_reg)) {
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if (gpio_in_reg & 0x200)
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gd->board_type = BOARD_TYPE_PCB106;
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else
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gd->board_type = BOARD_TYPE_PCB105;
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} else {
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gd->board_type = BOARD_TYPE_PCB105;
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}
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mscc_phy_wr(1, 16, 31, 0x0);
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}
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#if defined(CONFIG_MULTI_DTB_FIT)
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int board_fit_config_name_match(const char *name)
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{
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if (gd->board_type == BOARD_TYPE_PCB106 &&
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strcmp(name, "serval_pcb106") == 0)
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return 0;
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if (gd->board_type == BOARD_TYPE_PCB105 &&
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strcmp(name, "serval_pcb105") == 0)
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return 0;
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return -1;
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}
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#endif
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#if defined(CONFIG_DTB_RESELECT)
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int embedded_dtb_select(void)
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{
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do_board_detect();
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fdtdec_setup();
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return 0;
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}
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#endif
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