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https://github.com/brain-hackers/u-boot-brain
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03bf8436a3
Add initial support for Gateworks Venice product family based on the i.MX 8M Mini SoC Signed-off-by: Tim Harvey <tharvey@gateworks.com>
134 lines
2.2 KiB
C
134 lines
2.2 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright 2021 Gateworks Corporation
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*/
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#include <common.h>
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#include <init.h>
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#include <led.h>
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#include <linux/delay.h>
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#include <miiphy.h>
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#include <netdev.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 <asm/io.h>
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#include "gsc.h"
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DECLARE_GLOBAL_DATA_PTR;
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int board_phys_sdram_size(phys_size_t *size)
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{
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int ddr_size = readl(M4_BOOTROM_BASE_ADDR);
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if (ddr_size == 0x4) {
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*size = 0x100000000;
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} else if (ddr_size == 0x3) {
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*size = 0xc0000000;
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} else if (ddr_size == 0x2) {
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*size = 0x80000000;
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} else if (ddr_size == 0x1) {
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*size = 0x40000000;
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} else {
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printf("Unknown DDR type!!!\n");
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*size = 0x40000000;
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}
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return 0;
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}
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int board_fit_config_name_match(const char *name)
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{
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int i = 0;
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const char *dtb;
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char buf[32];
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do {
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dtb = gsc_get_dtb_name(i++, buf, sizeof(buf));
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if (!strcmp(dtb, name))
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return 0;
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} while (dtb);
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return -1;
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}
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#if (IS_ENABLED(CONFIG_FEC_MXC))
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static int 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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/* Use 125M anatop REF_CLK1 for ENET1, not from external */
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clrsetbits_le32(&gpr->gpr[1], 0x2000, 0);
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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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unsigned short val;
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switch (phydev->phy_id) {
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case 0x2000a231: /* TI DP83867 GbE PHY */
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puts("DP83867 ");
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/* LED configuration */
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val = 0;
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val |= 0x5 << 4; /* LED1(Amber;Speed) : 1000BT link */
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val |= 0xb << 8; /* LED2(Green;Link/Act): blink for TX/RX act */
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phy_write(phydev, MDIO_DEVAD_NONE, 24, val);
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break;
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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 // IS_ENABLED(CONFIG_FEC_MXC)
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int board_init(void)
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{
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gsc_init(1);
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if (IS_ENABLED(CONFIG_FEC_MXC))
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setup_fec();
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gsc_hwmon();
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return 0;
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}
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int board_late_init(void)
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{
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const char *ethmac;
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char env[32];
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int ret, i;
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u8 enetaddr[6];
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led_default_state();
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/* Set mac addrs */
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i = 0;
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do {
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if (i)
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sprintf(env, "eth%daddr", i);
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else
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sprintf(env, "ethaddr");
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ethmac = env_get(env);
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if (!ethmac) {
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ret = gsc_getmac(i, enetaddr);
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if (!ret)
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eth_env_set_enetaddr(env, enetaddr);
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}
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i++;
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} while (!ret);
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return 0;
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}
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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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