mirror of
https://github.com/AsahiLinux/u-boot
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127 lines
2.7 KiB
C
127 lines
2.7 KiB
C
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// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright 2022 Toradex
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*/
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#include <common.h>
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#include <asm/arch/clock.h>
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#include <asm/arch/imx8mp_pins.h>
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#include <asm/arch/sys_proto.h>
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#include <asm-generic/gpio.h>
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#include <asm/global_data.h>
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#include <asm/mach-imx/gpio.h>
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#include <asm/mach-imx/iomux-v3.h>
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#include <errno.h>
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#include <env.h>
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#include <init.h>
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#include <linux/delay.h>
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#include <micrel.h>
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#include <miiphy.h>
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#include <netdev.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 (PAD_CTL_DSE6 | PAD_CTL_FSEL1)
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/* Verdin UART_3, Console/Debug UART */
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static const iomux_v3_cfg_t uart_pads[] = {
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MX8MP_PAD_UART3_RXD__UART3_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
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MX8MP_PAD_UART3_TXD__UART3_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
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};
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int board_early_init_f(void)
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{
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imx_iomux_v3_setup_multiple_pads(uart_pads, ARRAY_SIZE(uart_pads));
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init_uart_clk(2);
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return 0;
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}
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static void setup_fec(void)
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{
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struct iomuxc_gpr_base_regs *gpr =
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(struct iomuxc_gpr_base_regs *)IOMUXC_GPR_BASE_ADDR;
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/* Enable RGMII TX clk output */
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setbits_le32(&gpr->gpr[1], BIT(22));
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}
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static int setup_eqos(void)
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{
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struct iomuxc_gpr_base_regs *gpr =
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(struct iomuxc_gpr_base_regs *)IOMUXC_GPR_BASE_ADDR;
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/* set INTF as RGMII, enable RGMII TXC clock */
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clrsetbits_le32(&gpr->gpr[1],
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IOMUXC_GPR_GPR1_GPR_ENET_QOS_INTF_SEL_MASK, BIT(16));
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setbits_le32(&gpr->gpr[1], BIT(19) | BIT(21));
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return set_clk_eqos(ENET_125MHZ);
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}
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#if IS_ENABLED(CONFIG_NET)
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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 board_init(void)
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{
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int ret = 0;
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if (IS_ENABLED(CONFIG_FEC_MXC))
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setup_fec();
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if (IS_ENABLED(CONFIG_DWC_ETH_QOS))
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ret = setup_eqos();
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return ret;
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}
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static void select_dt_from_module_version(void)
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{
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char variant[32];
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char *env_variant = env_get("variant");
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int is_wifi = 0;
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if (IS_ENABLED(CONFIG_TDX_CFG_BLOCK)) {
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/*
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* If we have a valid config block and it says we are a module with
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* Wi-Fi/Bluetooth make sure we use the -wifi device tree.
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*/
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is_wifi = (tdx_hw_tag.prodid == VERDIN_IMX8MPQ_WIFI_BT_IT) ||
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(tdx_hw_tag.prodid == VERDIN_IMX8MPQ_2GB_WIFI_BT_IT) ||
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(tdx_hw_tag.prodid == VERDIN_IMX8MPQ_8GB_WIFI_BT);
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}
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if (is_wifi)
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strlcpy(&variant[0], "wifi", sizeof(variant));
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else
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strlcpy(&variant[0], "nonwifi", sizeof(variant));
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if (strcmp(variant, env_variant)) {
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printf("Setting variant to %s\n", variant);
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env_set("variant", variant);
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}
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}
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int board_late_init(void)
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{
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select_dt_from_module_version();
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return 0;
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}
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#if IS_ENABLED(CONFIG_OF_LIBFDT) && IS_ENABLED(CONFIG_OF_BOARD_SETUP)
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int ft_board_setup(void *blob, struct bd_info *bd)
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{
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return 0;
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}
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#endif
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