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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2022 Marek Vasut <marex@denx.de>
*/
#include <common.h>
#include <asm/arch/clock.h>
#include <asm/arch/sys_proto.h>
#include <asm/io.h>
#include <dm.h>
#include <env.h>
#include <env_internal.h>
#include <i2c_eeprom.h>
#include <malloc.h>
#include <net.h>
#include <miiphy.h>
#include "lpddr4_timing.h"
#include "../common/dh_common.h"
#include "../common/dh_imx.h"
DECLARE_GLOBAL_DATA_PTR;
int mach_cpu_init(void)
{
icache_enable();
return 0;
}
int board_phys_sdram_size(phys_size_t *size)
{
const u16 memsz[] = { 512, 1024, 1536, 2048, 3072, 4096, 6144, 8192 };
u8 memcfg = dh_get_memcfg();
*size = (u64)memsz[memcfg] << 20ULL;
return 0;
}
static void setup_eqos(void)
{
struct iomuxc_gpr_base_regs *gpr =
(struct iomuxc_gpr_base_regs *)IOMUXC_GPR_BASE_ADDR;
/* Set INTF as RGMII, enable RGMII TXC clock. */
clrsetbits_le32(&gpr->gpr[1],
IOMUXC_GPR_GPR1_GPR_ENET_QOS_INTF_SEL_MASK, BIT(16));
setbits_le32(&gpr->gpr[1], BIT(19) | BIT(21));
set_clk_eqos(ENET_125MHZ);
}
static void setup_fec(void)
{
struct iomuxc_gpr_base_regs *gpr =
(struct iomuxc_gpr_base_regs *)IOMUXC_GPR_BASE_ADDR;
/* Enable RGMII TX clk output. */
setbits_le32(&gpr->gpr[1], BIT(22));
set_clk_enet(ENET_125MHZ);
}
static int dh_imx8_setup_ethaddr(void)
{
unsigned char enetaddr[6];
if (dh_mac_is_in_env("ethaddr"))
return 0;
if (!dh_imx_get_mac_from_fuse(enetaddr))
goto out;
if (!dh_get_mac_from_eeprom(enetaddr, "eeprom0"))
goto out;
return -ENXIO;
out:
return eth_env_set_enetaddr("ethaddr", enetaddr);
}
static int dh_imx8_setup_eth1addr(void)
{
unsigned char enetaddr[6];
if (dh_mac_is_in_env("eth1addr"))
return 0;
if (!dh_imx_get_mac_from_fuse(enetaddr))
goto increment_out;
if (!dh_get_mac_from_eeprom(enetaddr, "eeprom1"))
goto out;
/*
* Populate second ethernet MAC from first ethernet EEPROM with MAC
* address LSByte incremented by 1. This is only used on SoMs without
* second ethernet EEPROM, i.e. early prototypes.
*/
if (!dh_get_mac_from_eeprom(enetaddr, "eeprom0"))
goto increment_out;
return -ENXIO;
increment_out:
enetaddr[5]++;
out:
return eth_env_set_enetaddr("eth1addr", enetaddr);
}
int dh_setup_mac_address(void)
{
int ret;
ret = dh_imx8_setup_ethaddr();
if (ret)
printf("%s: Unable to setup ethaddr! ret = %d\n", __func__, ret);
ret = dh_imx8_setup_eth1addr();
if (ret)
printf("%s: Unable to setup eth1addr! ret = %d\n", __func__, ret);
return ret;
}
int board_init(void)
{
setup_eqos();
setup_fec();
return 0;
}
int board_late_init(void)
{
dh_setup_mac_address();
return 0;
}
enum env_location env_get_location(enum env_operation op, int prio)
{
return prio ? ENVL_UNKNOWN : ENVL_SPI_FLASH;
}
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